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Online Schematics

TUBE RADIOS  ELECTROHOME TUBE HI-FI  TUBE AUDIO AMPLIFIERS  FM MPX ADAPTORS  TEST EQUIPMENT  EARLY TELEVISION  MISCELLANEOUS

We are attempting to list free schematics and related information here - if you can't find the schematic or related information you are looking for here it may be listed on one the the web sites on our links page such as;

for test equipment and ham gear BAMA
for antique radios
Nostalgia Air
for consumer audio
One Electron

(We have changed most of the files here to PDF format but they will still be available on request in jpeg or png format)

To; Radio Schematics
now have their own page

ELECTROHOME HI-FI LOGO

ELECTROHOME PA-100, PA-100 MK1 MONO POWER AMPLIFIER SCHEMATIC ONLY (.59 MB PDF) 

ORIGINAL ELECTROHOME PA-100 POWER AMP INSTRUCTION & SERVICE DATA (4.1 MB PDF) 

ELECTROHOME PA-200 MONO INTEGRATED AMPLIFIER SCHEMATIC ONLY (.65 MB PDF) 

ORIGINAL ELECTROHOME PA-200 INTEGRATED POWER AMP INSTRUCTION & SERVICE DATA (2.9 MB PDF) 

ELECTROHOME PA-200 MONO INTEGRATED AMPLIFIER & CHF82-510 TUNER AD (.64 MB PDF) 

ELECTROHOME PA-300, PA-300 MK1 MONO INTEGRATED AMPLIFIER SCHEMATIC ONLY (.53 MB PDF) 

ORIGINAL ELECTROHOME PA-300 POWER AMP INSTRUCTION & SERVICE DATA (4.2 MB PDF) 

ELECTROHOME PA-310 MONO INTEGRATED AMPLIFIER SCHEMATIC & LAYOUT (.74 MB PDF) 

ELECTROHOME PA-330 SECOND CHANNEL AMPLIFIER SERVICE DATA (1.3 MB PDF) 

ELECTROHOME PA-330 SECOND CHANNEL AMPLIFIER SERVICE BULLETIN (.9 MB PDF) 

ELECTROHOME PA-340S STEREO INTEGRATED AMPLIFIER SCHEMATIC & LAYOUT (.54 MB PDF) 

ELECTROHOME PA-400 MONO POWER AMPLIFIER SCHEMATIC ONLY (.43 MB PDF) 

ORIGINAL ELECTROHOME PA-400 POWER AMP INSTRUCTION & SERVICE DATA (2.3 MB PDF) 

ELECTROHOME PA-600 MONO POWER AMPLIFIER SERVICE DATA (.8 MB PDF) 

ELECTROHOME PA-700S STEREO POWER AMPLIFIER SECTON SERVICE DATA (65 MB PDF) 

ELECTROHOME PA-700S STEREO PREAMPLIFIER SECTON SCHEMATIC (.7 MB PDF) 

ELECTROHOME SA40S STEREO SLAVE AMPLIFIER SERVICE DATA (.52 MB PDF) 

ELECTROHOME VA-100 MK1, VA-100 MK11 MONO PREAMPLIFIER SCHEMATIC ONLY (.58 MB PDF) 

ORIGINAL ELECTROHOME VA-100 MK1 PREAMP INSTRUCTION & SERVICE DATA (4.9 MB PDF) 

ELECTROHOME VA-100 MK1 PREAMP SPECIFICATION PAGE (.57 MB PDF) 

ELECTROHOME VA-200S STEREO PREAMPLIFIER SCHEMATIC & LAYOUTS (1.2 MB PDF) 

ELECTROHOME HFT-100 TUNER SERVICE DATA (.68 MB PDF) 

ELECTROHOME HFT-200 TUNER SERVICE DATA (1.7 MB PDF) 

ELECTROHOME HFT-300 TUNER SERVICE DATA (.71 MB PDF) 

ELECTROHOME HFT-400 TUNER SERVICE DATA (2.6 MB PDF)
CANTERBURY, CHORALE, CRESCENDO IMPERIAL, CLASSIC
 

ELECTROHOME HFT-400 TUNER SERVICE NOTES (.4 MB PDF) 

ELECTROHOME HFT-400 STEREO PREAMPLIFIERS SCHEMATICS (1.2 MB PDF)
CANTERBURY, CHORALE, CRESCENDO IMPERIAL, CLASSIC
 

ELECTROHOME HFT-400 6 WATT STEREO SLAVE AMPLIFIER SCHEMATIC & LAYOUT (.51 MB PDF)
CANTERBURY, CHORALE
 

ELECTROHOME HFT-400 10 WATT STEREO SLAVE AMPLIFIER SCHEMATIC & LAYOUT (.48 MB PDF)
CRESCENDO IMPERIAL, CLASSIC
 

ORIGINAL ELECTROHOME CH51-515 AM TUNER INSTRUCTION & SERVICE DATA (2.8 MB PDF) 

ELECTROHOME CH62-511 AM TUNER & POWER SUPPLY/AMPLIFIER SERVICE DATA (.7 MB PDF) 

ELECTROHOME CH92-513 AM TUNER & AMPLIFIER SERVICE DATA (1.0 MB PDF) 

ORIGINAL ELECTROHOME CHF72-510 "CUSTOM TUNER" FM TUNER INSTRUCTION & SERVICE DATA (2.9 MB PDF) 

ELECTROHOME CHF102-418 AM/FM TUNER & POWER SUPPLY/AMPLIFIER SERVICE DATA (1.0 MB PDF)
CHIPPENDALE 3FM
 

ELECTROHOME CHF102-511 AM/FM TUNER & POWER SUPPLY/AMPLIFIER SERVICE DATA (.7 MB PDF) 

ELECTROHOME CHF112-512 AM/FM TUNER & POWER SUPPLY/AMPLIFIER SERVICE DATA (1.7 MB PDF) 

ELECTROHOME CHF142-515 CUSTOM TUNER SERVICE DATA (2 MB PDF) 

ELECTROHOME CHF142-515 TUNER SPECIFICATION PAGE (.51 MB PDF) 

ELECTROHOME ACADIAN 40, KALMAR 40 & LORRAINE 40 RADIO SERVICE DATA (3.1 MB PDF)
(SLAVE AMPLIFIER STEREO PUSH PULL 6BQ5/EL84)
 

ELECTROHOME CANTERBURY MKI, CHORALE MKI & CHORALE MKII RADIO DATA (4.4 MB PDF)
(SLAVE AMPLIFIER STEREO PUSH PULL 6AQ5/EL90)
 

ELECTROHOME CATHEDRAL & COSMOPOLITAN RADIO SERVICE DATA (3.2 MB PDF)
(SA40S SLAVE AMPLIFIER STEREO PUSH PULL 6V6GT)
 

ELECTROHOME CLARION, CLAIRON FM, CHIPPENDALE IV FM & CONCORD IMPERIAL
RADIO SERVICE DATA (4.1 MB PDF)
(SLAVE AMPLIFIER MONO PUSH PULL 6L6GB)
 

ELECTROHOME CONCORD MKV & TUSCANY RADIO SERVICE DATA (2.7 MB PDF)
(SLAVE AMPLIFIER STEREO PUSH PULL 6BQ5/EL84)
 

ELECTROHOME CRESCENDO, CLASSIC MKI & IMPERIAL MKI RADIO SERVICE DATA (3.3 MB PDF)
(SA40S SLAVE AMPLIFIER STEREO PUSH PULL 6V6GT)
 

ELECTROHOME MONTERREY & VERSAILLES RADIO SERVICE DATA (2.7 MB PDF)
(SLAVE AMPLIFIER STEREO PUSH PULL 6CA7/EL34)
 

ELECTROHOME MP-3, MXA3 FM STEREO MULTIPLEX ADAPTER SERVICE DATA (1.2 MB PDF) 

ELECTROHOME FM STEREO MULTIPLEX ADAPTER VERSION 2 SCHEMATIC & ALIGNMENT (.38 MB PDF) 

ELECTROHOME MAG PREAMPLIFIER SCHEMATIC & LAYOUT (.33 MB PDF) 

1954 ELECTROHOME SERVICE BULLETIN SAMPLE "CONCORD HI-FI PHONOGRAPH" (.25 MB PDF) 

ELECTROHOME STYLUS & CARTRIDGE CROSS REFERENCE (.75 MB PDF) 

TUBE AUDIO

ARKAY FL-10 MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.6 MB PDF) 

ARMACO STEREO PHONO PREAMPLIFIER DATA (.76 MB PDF) 

BELL SOUND 2122-C MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.1 MB PDF) 

BOGEN LOGO

BOGEN DB10 MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.45 MB PDF) 

BOGEN DB10A MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.46 MB PDF) 

BOGEN DB15, DB15G MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.65 MB PDF) 

BOGEN DB20 MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.74 MB PDF) 

BOGEN DB110 MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.47 MB PDF) 

BOGEN DB114 MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.5 MB PDF) 

BOGEN DB115 MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.83 MB PDF) 

BOGEN DB125 MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (1.1 MB PDF) 

BOGEN DB130 MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (1.3 MB PDF) 

BOGEN DB130A MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (1.3 MB PDF) 

BOGEN DB212 STEREO INTEGRATED AMPLIFIER SCHEMATIC (1.2 MB PDF) 

BOGEN DB230 STEREO INTEGRATED AMPLIFIER SCHEMATIC (1.2 MB PDF) 

BOGEN DB230A STEREO INTEGRATED AMPLIFIER SCHEMATIC (1.9 MB PDF) 

BOGEN DS225 STEREO POWER AMPLIFIER SCHEMATIC (.34 MB PDF) 

BOGEN HO10 MONO POWER AMPLIFIER SCHEMATIC (.6 MB PDF) 

BOGEN MO30 MONO POWER AMPLIFIER SCHEMATIC (.53 MB PDF) 

BOGEN MO60 MONO POWER AMPLIFIER SCHEMATIC (.65 MB PDF) 

BOGEN MO100 MONO POWER AMPLIFIER SCHEMATIC (.75 MB PDF) 

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CHALLENGER CH60 MONO INTEGRATED POWER AMPLIFIER SCHEMATIC (.46 MB PDF) 

CHALLENGER CHA10 MONO INTEGRATED POWER AMPLIFIER SCHEMATIC (.5 MB PDF) 

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CRAFTSMAN 500A MONO HI-FI POWER AMPLIFIER SCHEMATIC (.42 MB PDF) 

CRAFTSMAN SOLITAIRE MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC 

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DON McGOHAN MG-20-B MONO INTEGRATED POWER AMPLIFIER SCHEMATIC (.37 MB PDF) 

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DUKANE 1A300, 1B300 MONO INTEGRATED POWER AMPLIFIER SCHEMATIC (.4 MB PDF) 

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FISHER 200 MONO HI-FI POWER AMPLIFIER SCHEMATIC (.87 MB PDF) 

FISHER PR-6 MONO PHONO PREAMPLIFIER SCHEMATIC (.21 MB PDF) 

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GENERAL ELECTRIC M5C (SPX-001) MONO PHONO PREAMPLIFIER SCHEMATIC (.13 MB PDF) 

GENERAL ELECTRIC UPX-003A MONO PHONO PREAMPLIFIER SCHEMATIC (.25 MB PDF) 

GROMMES LOGO
GROMMES 10PG MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.72 MB PDF) 

GROMMES 10PG8 MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.66 MB PDF) 

GROMMES 15PG8 MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.72 MB PDF) 

GROMMES 20PG8 MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.61 MB PDF) 

GROMMES 24PG STEREO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.96 MB PDF) 

GROMMES 28PG STEREO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (1.0 MB PDF) 

GROMMES 40PG STEREO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (1.2 MB PDF) 

GROMMES 50PG, 51PG MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.5 MB PDF) 

GROMMES 50PG2 MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.43 MB PDF) 

GROMMES 55C MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.73 MB PDF) 

GROMMES 55PG MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.51 MB PDF) 

GROMMES 56PG MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.5 MB PDF) 

GROMMES 60PG MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.48 MB PDF) 

GROMMES G-40 MONO INTEGRATED POWER AMPLIFIER SCHEMATIC (.48 MB PDF) 

GROMMES 240 STEREO HI-FI POWER AMPLIFIER SCHEMATIC (.48 MB PDF) 

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HARMAN-KARDON PC-200 MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.3 MB PDF) 

;HARMAN-KARDON TRI-PLEX A224 STEREO INTEGRATED HI-FI POWER AMPLIFIER SCHEMATIC (1.3 MB PDF) 

Heathkit
HEATHKIT A-4 MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.51 MB PDF) 

HEATHKIT A-5, A-5A MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.49 MB PDF) 

HEATHKIT A-6 MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.65 MB PDF) 

HEATHKIT A-6A MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.65 MB PDF) 

HEATHKIT WA-1 MONO POWER AMPLIFIER SCHEMATIC - TRIODE VERSION (.5 MB PDF) 

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KNIGHT 83-222 10 WATT MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (1947) (.58 MB PDF) 

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LECTROLAB R200 MONO INSTRUMENT AMPLIFIER SCHEMATIC & OPERATION (.75 MB PDF) 

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MAGNATONE 280 DUAL CHANNEL INSTRUMENT AMPLIFIER SCHEMATIC (.34 MB PDF) 

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MASCO MA-10HF MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.41 MB PDF) 

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NORTHERN ELECTRIC HF130 MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.37 MB PDF) 

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PACO SA-40W STEREO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (1.2 MB PDF) 

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PHILIPS AG9008-52 MONO INTEGRATED HI-FI AMPLIFIER SERVICE DATA (2.7 MB PDF) 

PHILIPS H.F.A.-10 MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (600 DPI 1.5 MB PDF) 

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PILOT AA-903B MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.56 MB PDF) 

PILOT AA-920 MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.4 MB PDF) 

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RCA MI-9289 150 WATT MONO POWER AMPLIFIER SCHEMATIC (.41 MB PDF) 

H. H. SCOTT LOGO

SCOTT 99-A MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.61 MB PDF) 

SCOTT 99-C MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.89 MB PDF) 

SCOTT 209 MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.61 MB PDF) 

SCOTT 210-A MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (1.2 MB PDF) 

SCOTT 210-B MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.51 MB PDF) 

SCOTT 210-C MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.59 MB PDF) 

SCOTT 210-F MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.78 MB PDF) 

SCOTT 211-A MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.78 MB PDF) 

SCOTT 220-A MONO HI-FI POWER AMPLIFIER SCHEMATIC (.44 MB PDF) 

SCOTT 223 MONO HI-FI POWER AMPLIFIER SCHEMATIC (.42 MB PDF) 

SCOTT 232, 232-A MONO HI-FI POWER AMPLIFIER SCHEMATIC (.47 MB PDF) 

SCOTT 240 MONO HI-FI POWER AMPLIFIER SCHEMATIC (.61 MB PDF) 

SCOTT 280 MONO HI-FI POWER AMPLIFIER SCHEMATIC (.84 MB PDF) 

SCOTT 290 STEREO HI-FI POWER AMPLIFIER SCHEMATICS (.71 MB PDF) 

LINK TO MORE H. H. SCOTT SCHEMATICS 

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STEWART WARNER R642 1956 OTL MONO POWER AMPLIFIER SCHEMATIC (.38 MB PDF) 

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WELLINGTON SEVEN MONO INTEGRATED HI-FI AMPLIFIER SCHEMATIC (.42 MB PDF) 

TUBE AUDIO SCHEMATICS BY REQUEST

RCA SHC563 STEREO SLAVE AMPLIFIER SCHEMATIC (.6 MB PDF) 

RCA SHC661, SHC662, SHC667 3 CHANNEL STEREO SLAVE AMPLIFIER SCHEMATIC (.5 MB PDF) 

RCA SHC663 3 CHANNEL STEREO SLAVE AMPLIFIER SCHEMATIC (.71 MB PDF) 

RCA SHC766 STEREO SLAVE AMPLIFIER SCHEMATIC (.6 MB PDF) 

SPARTON 5H6-P STEREO INTEGRATED AMPLIFIER SCHEMATIC (.72 MB PDF) 

FM STEREO MULTIPLEX ADAPTERS

SCA BACKGROUND-MUSIC MULTIPLEXER SCHEMATIC & CONSTRUCTION (2.1 MB PDF) 

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ADMIRAL AMX102 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.7 MB PDF) 

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AIRLINE GAA-398A FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.5 MB PDF) 

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ALTEC 359A FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.7 MB PDF) 

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BELL MXA-1, MXA-2, MXA-3, MXA-4, MXP-2 FM STEREO MULTIPLEX ADAPTERS SCHEMATIC & ALIGNMENT (.8 MB PDF) 

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BOGEN PX60 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.7 MB PDF) 

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CLAIRTONE MA-010 & MA-015 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (1.4 MB PDF) 

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CURTIS MATHES K-5 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.8 MB PDF) 

CURTIS MATHES K-8, K-8A FM STEREO MULTIPLEX ADAPTERS SCHEMATIC & ALIGNMENT (.6 MB PDF) 

CURTIS MATHES K-9 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.7 MB PDF) 

CURTIS MATHES K-12 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.7 MB PDF) 

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DEWALD P-400 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.8 MB PDF) 

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DYNACO FMX-3 FM STEREO MULTIPLEX ADAPTER SCHEMATIC (.4 MB PDF) 

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EICO MX-99 FM STEREO MULTIPLEX ADAPTER SCHEMATIC (.3 MB PDF) 

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ELECTROHOME MP-3, MXA3 FM STEREO MULTIPLEX ADAPTER SERVICE DATA (1.2 MB PDF) 

ELECTROHOME MXA-3 FM STEREO ADAPTER INSTALLATION & OPERATING INSTRUCTIONS (1.8 MB PDF) 

ELECTROHOME FM STEREO MULTIPLEX ADAPTER VERSION 2 SCHEMATIC & ALIGNMENT (.38 MB PDF) 

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FISHER MPX-10 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.7 MB PDF) 

FISHER MPX-20 FM STEREO MULTIPLEX ADAPTER SCHEMATIC (.5 MB PDF) 

FISHER MPX-100 FM STEREO MULTIPLEX ADAPTER SCHEMATIC - EARLY VERSION (1.1 MB PDF) 

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FLEETWOOD 2065 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.6 MB PDF) 

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ORIGINAL GENERAL ELECTRIC FS-22 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (1.4 MB PDF) 

GENERAL ELECTRIC FS-25 FM STEREO MULTIPLEX ADAPTER SCHEMATIC (.4 MB PDF) 

ORIGINAL GENERAL ELECTRIC MA-2F FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (3.9 MB PDF) 

ORIGINAL GENERAL ELECTRIC MA-2G FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (2.9 MB PDF) 

GENERAL ELECTRIC SA-510 FM STEREO MULTIPLEX ADAPTER SCHEMATIC (.4 MB PDF) 

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GRUNDIG FM STEREO MULTIPLEX ADAPTER SCHEMATIC (.3 MB PDF) 

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HARMAN-KARDON MA-250 FM STEREO MULTIPLEX ADAPTER SCHEMATIC (.5 MB PDF) 

HARMAN-KARDON MA-350 FM STEREO MULTIPLEX ADAPTER SCHEMATIC (.4 MB PDF) 

HARMAN-KARDON MX20 FM STEREO MULTIPLEX ADAPTER SCHEMATIC (.5 MB PDF) 

HARMAN-KARDON MX500 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.6 MB PDF) 

HARMAN-KARDON MX600 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.7 MB PDF) 

HARMAN-KARDON MX700 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.7 MB PDF) 

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HEATHKIT AC-11 & ACW-11 FM STEREO MULTIPLEX ADAPTER SCHEMATIC (1.1 MB PDF) 

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KENWOOD KD-1 FM STEREO MULTIPLEX ADAPTER SCHEMATIC (.5 MB PDF) 

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KNIGHT KN-MX-3 (35DX863) FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.6 MB PDF) 

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LAFAYETTE LT-200 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.8 MB PDF) 

LAFAYETTE LT-220, KT-220 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.7 MB PDF) 

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MAGNAVOX 70-01-01, 70-01-10, 70-01-20 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.9 MB PDF) 

MAGNAVOX 70-02-00, 70-03-00, 70-04-00, 70-05-00 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (1.0 MB PDF) 

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MARCONI 521-507 (CHASSIS 625) FOR 629, 631, 632
MODELS 4534, 4542, 4543, 4562 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.4 MB PDF)
 

MARCONI CHASSIS 655 FOR 635, 636, 645, 646
MODELS 4515M, 4516M, 4517M, 4518M FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.5 MB PDF)
 

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MOTOROLA HS-996 (HK54) FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (2.0 MB PDF) 

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NORDMENDE HF STEREO DECODER/FM MULTIPLEX ADAPTER SCHEMATIC & LAYOUT (.9 MB PDF) 

NORDMENDE MX-201 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.6 MB PDF) 

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OLSEN RA-490 (MX-601) FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.6 MB PDF) 

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OLYMPIC MPX CHASSIS MX8 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.7 MB PDF) 

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PHILIPS A2C05A FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.5 MB PDF) 

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PILOT 100 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.8 MB PDF) 

PILOT 200 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.9 MB PDF) 

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RCA CRK101 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & LAYOUT (.5 MB PDF) 

RCA RS-200 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & LAYOUT (.5 MB PDF) 

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REALISTIC MPX-215 (90LX063) FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.7 MB PDF) 

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H. H. SCOTT 335 (LM-35 KIT) FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (1.0 MB PDF) 

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SHERWOOD A3MX FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.6 MB PDF) 

SHERWOOD SMX-A, SMX-B, SMX-S FM STEREO MULTIPLEX ADAPTERS SCHEMATIC & ALIGNMENT (.6 MB PDF) 

SHERWOOD S2MX, S4MX, S6MX, SWMX FM STEREO MULTIPLEX ADAPTERS SCHEMATIC (.5 MB PDF) 

SHERWOOD S3MX FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (1.0 MB PDF) 

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SILVERTONE 9647, 9649 FM STEREO MULTIPLEX ADAPTERS SCHEMATIC & ALIGNMENT (.8 MB PDF) 

SILVERTONE 9648 (528.54280) FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.5 MB PDF) 

SILVERTONE 9650 (528.53750) FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.7 MB PDF) 

SILVERTONE 9651 (528.54930) FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.5 MB PDF) 

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SPARTON 2M1 & 14N5-P FM STEREO MULTIPLEX ADAPTERS SCHEMATIC & ALIGNMENT (.7 MB PDF) 

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SYLVANIA MPX112 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.7 MB PDF) 

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ULTRATONE M-4W FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.5 MB PDF) 

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ORIGINAL VIKING VMXA-3 & MP3 FM STEREO MULTIPLEX ADAPTER SERVICE MANUAL (1.1 MB PDF)  

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V M 1441 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (.7 MB PDF) 

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WEBCOR A-1944, A-1945, A-1946 FM STEREO MULTIPLEX ADAPTER SCHEMATIC & ALIGNMENT (1.1 MB PDF) 

TEST EQUIPMENT

AVO
AVO "WIDE RANGE RF SIGNAL GENERATOR" SCHEMATIC - A.C. MODEL (.77 MB PDF) 

AVO "WIDE RANGE RF SIGNAL GENERATOR" SCHEMATIC - BATTERY MODEL (.55 MB PDF) 

AVO 8 UNIVERSAL AVOMETER SCHEMATIC (.36 MB PDF) 

B<?>&<?>K
B&K 175 / V-75 VACUUM TUBE VOLTMETER SCHEMATIC & PARTS LIST (1.3 MB PDF) 

B&K 175 VACUUM TUBE VOLTMETER INSTRUCTION MANUAL & CALIBRATION (7.3 MB PDF) 

NEW   B&K 440 CATHODE RAY TUBE TESTER SCHEMATIC & PARTS LIST - CRT (.9 MB PDF) 

NEW   B&K 445 CATHODE RAY TUBE TESTER SCHEMATIC & PARTS LIST - CRT (1.4 MB PDF) 

NEW   B&K 465 CATHODE RAY TUBE TESTER SCHEMATIC & PARTS LIST - CRT (.9 MB PDF) 

NEW   B&K 466 CATHODE RAY TUBE TESTER SCHEMATIC & PARTS LIST - CRT (1.4 MB PDF) 

B&K 600 TUBE TESTER TC-62A & TC-62B ADAPTER SET UP DATA (60 KB PDF) 

B&K 600, 606, 625 & 700 TUBE TESTER TC-75 ADAPTER SET UP DATA (30 KB PDF) 

B&K 606 & 625 TUBE TESTER TC-80 ADAPTER SET UP DATA (.1 MB PDF) 

B&K 610 PANEL HOOK UP INSTRUCTIONS FOR B&K 650 (.35 MB PDF) 

B&K 700 & 707 TUBE TESTER TC-80 ADAPTER SET UP DATA (.11 MB PDF) 

NEW   B&K 707 TUBE TESTER SCHEMATIC & PARTS LIST (2.6 MB PDF) 

NEW   B&K 707 NEW VERSION TUBE TESTER SCHEMATIC & PARTS LIST (2.5 MB PDF)
(TYPE 83 TUBE REPLACED BY SILICON RECTIFIERS)
 

B & K 707 TUBE TESTER INSTRUCTION MANUAL & CALIBRATION (8.4 MB PDF) 

B&K 707 TUBE TESTER SET UP CHART ERROR ECC808 (6KX8) (.11 MB PDF) 

B&K 707 TUBE TESTER TUBE CHART - 1981 (3.1 MB PDF) 

NEW   B&K 801 CAPACITOR ANALYST SCHEMATIC & PARTS LIST (1.2 MB PDF) 

NEW   B&K 801 CAPACITOR ANALYST CALIBRATION (2.6 MB PDF) 

NEW   B&K 801 CAPACITOR ANALYST INSTRUCTION MANUAL & SCHEMATIC (6.7 MB PDF) 

NEW   B&K 960 TRANSISTOR RADIO ANALYST SCHEMATIC & PARTS LIST (1.4 MB PDF) 

NEW   B&K 1074 TELEVISION ANALYST SCHEMATIC & PARTS LIST (3.4 MB PDF) 

NEW   B&K 1076 TELEVISION ANALYST SCHEMATIC & PARTS LIST (3.6 MB PDF) 

NEW   B&K 1077 TELEVISION ANALYST SCHEMATIC & PARTS LIST (2.7 MB PDF) 

NEW   B&K A107 DYNA-SWEEP CIRCUIT ANALYST SCHEMATIC & PARTS LIST (.9 MB PDF) 

Canadian
CANADIAN AT-1 APPLIANCE TESTER MANUAL (2.7 MB PDF) 

CANADIAN SG-1 RF SIGNAL GENERATOR SCHEMATIC - REVISED (.71 MB PDF) 

CANADIAN SG-1 1945 "NEW PRODUCTS" AD 

CANADIAN 1948 TAYLOR & PEARSON AD 

CDE

CORNELL-DUBILIER BN CAPACITOR TESTER SCHEMATIC (EARLY VERSION 1939) (.12 MB PDF) 

CORNELL-DUBILIER BF-50 CAPACITOR TESTER SCHEMATIC (.68 MB PDF) 

Cyclograph

CYCLOGRAPH C-164-E OSCILLOGRAPH SCHEMATIC (.62 MB PDF) 

CYCLOGRAPH INTRODUCTION AD - 1946 

CYCLOGRAPH C-164-E OSCILLOGRAPH PHOTOGRAPHS 

*
DEVRY 1-15 OSCILLOSCOPE SCHEMATIC (1.3 MB PDF) 

*
DUMONT 164-E OSCILLOGRAPH SCHEMATIC (.62 MB PDF) 

Eico
NEW   EICO 360 TV-FM SWEEP SIGNAL GENERATOR MANUAL & SCHEMATIC (9.5 MB PDF) 

EICO 460 DC-WIDE BAND OSCILLOSCOPE SCHEMATIC (.7 MB PDF) 

EICO 460 DC-WIDE BAND OSCILLOSCOPE SERVICE MANUAL (16 MB PDF) 

EICO 460 DC-WIDE BAND OSCILLOSCOPE SERVICE MANUAL ADDENDUM (1.5 MB PDF) 

NEW   EICO 625 TUBE TESTER INSTRUCTION MANUAL & SCHEMATIC (4.5 MB PDF) 

EICO 625, 625K TUBE TESTER CRA ADAPTER SET UP DATA (3.3 MB PDF) 

EICO 666, 666K TUBE TESTER CRA ADAPTER SET UP DATA (3.0 MB PDF) 

EICO 630 CATHODE RAY TUBE TESTER SCHEMATIC - CRT (.58 MB PDF) 

EICO 630 CATHODE RAY TUBE TESTER INSTRUCTION MANUAL (4.2 MB PDF) 

EICO 944 FLYBACK TRANSFORMER & YOKE TESTER SCHEMATIC (.5 MB PDF) 

EICO 1040 BATTERY ELIMINATOR & CHARGER CONSTRUCTION MANUAL (3.9 MB PDF) 

EICO LOW CAPACITY OSCILLOSCOPE PROBE MODEL PLC (2.5 MB PDF) 

EICO VTVM & OSCILLOSCOPE PROBES - PD, PLC, PSD, PTP-25, PRF-25 (.4 MB PDF) 

Fade-Ometer
FADE-OMETER MODEL D SCHEMATIC (.14 MB PDF) 

1939 FADE-OMETER D ARTICLE - REVISED (3.1 MB PDF) 

FADE-OMETER PHOTOGRAPH 

Heathkit
HEATHKIT G-2 SINE & SQUARE WAVE AUDIO GENERATOR SCHEMATIC (.62 MB PDF) 

HEATHKIT IG-52 TELEVISION ALIGNMENT GENERATOR SCHEMATIC (.7 MB PDF) 

HEATHKIT IO-10 OSCILLOSCOPE SCHEMATIC (1.0 MB PDF) 

HEATHKIT IO-14 OSCILLOSCOPE SCHEMATIC (2.2 MB PDF) 

HEATHKIT IO-30 OSCILLOSCOPE SCHEMATIC (.78 MB PDF) 

HEATHKIT O-2 OSCILLOSCOPE SCHEMATIC (.33 MB PDF) 

HEATHKIT O-3 OSCILLOSCOPE SCHEMATIC (.31 MB PDF) 

HEATHKIT O-4 OSCILLOSCOPE SCHEMATIC (.32 MB PDF) 

HEATHKIT O-5 OSCILLOSCOPE SCHEMATIC (.76 MB PDF) 

HEATHKIT O-6 OSCILLOSCOPE SCHEMATIC (.7 MB PDF) 

HEATHKIT O-7 OSCILLOSCOPE SCHEMATIC (.68 MB PDF) 

HEATHKIT O-8 OSCILLOSCOPE SCHEMATIC (.74 MB PDF) 

HEATHKIT PK-1 UNIVERSAL OSCILLOSCOPE PROBE ASSEMBLY & OPERATION (3.1 MB PDF) 

HEATHKIT SG-8 R.F. SIGNAL GENERATOR SCHEMATIC (.44 MB PDF) 

HEATHKIT T-1 SIGNAL TRACER SCHEMATIC (.53 MB PDF) 

HEATHKIT T-3 SIGNAL TRACER SCHEMATIC (.37 MB PDF) 

HEATHKIT TUBE TESTER MODEL TT-1 & TT-1A 1971 TUBE CHART UPDATE (.3 MB PDF) 

HEATHKIT TUBE SOCKET "MAGNOVAL" ADAPTER ORDER FORM (.5 MB PDF)
HEATHKIT NO LONGER EXIST - PLEASE DO NOT ATTEMPT TO ORDER
 

HEATHKIT TUBE TESTER "MH-3" CRT ADAPTER ORDER FORM (.6 MB PDF)
HEATHKIT NO LONGER EXIST - PLEASE DO NOT ATTEMPT TO ORDER
 

HEATHKIT VTVM 309-C R.F. PROBE ASSEMBLY & OPERATION (4.0 MB PDF) 

HEATHKIT VTVM 336 HIGH VOLTAGE PROBE ASSEMBLY & OPERATION (1.6 MB PDF) 

LINK TO MORE HEATHKIT SCHEMATICS 

*
HICKOK CRT-1 TUBE TESTER ADAPTER SET UP DATA (.85 MB PDF) 

Jackson
JACKSON 648 TUBE TESTER MAIN SET UP DATA 1975 UPDATE (.7 MB PDF) 

JACKSON 648 TUBE TESTER SUPPLEMENTARY SET UP DATA (.9 MB PDF) 

JACKSON 652 AUDIO OSCILLATOR SCHEMATIC (.5 MB PDF) 

JACKSON 710 SELENIUM RECTIFIER TESTER SCHEMATIC (.2 MB PDF) 

JACKSON CRO-2 OSCILLOSCOPE SCHEMATIC (1 MB PDF)  

JACKSON TVG-2 SWEEP MARKER GENERATOR SCHEMATIC (.6 MB PDF) 

Jewell
JEWELL 209 TUBE TESTER SCHEMATIC (.6 MB PDF) 

JEWELL WD-209 TUBE TESTER SCHEMATIC (.4 MB PDF) 

JEWELL 214 TUBE TESTER SCHEMATIC (.5 MB PDF) 

JEWELL 533 TUBE TESTER SCHEMATIC (.6 MB PDF) 

JEWELL 534 TUBE TESTER SCHEMATIC (.6 MB PDF) 

JEWELL 538 TUBE TESTER SCHEMATIC (.4 MB PDF) 

JEWELL 540 TUBE TESTER SCHEMATIC (.5 MB PDF) 

*
KNIGHT 83-120 VTVM SCHEMATIC (.37 MB PDF) 

*
LECTROTECH V-7 VECTORSCOPE (.75 MB PDF) 

*
MARCONI MU-101 TUBE TESTER SCHEMATIC (1.4 MB PDF) 

MARCONI MU-101 TUBE TESTER INSTRUCTION MANUAL (7.5 MB PDF) 

MARCONI MU-101 TUBE TESTER SET UP DATA - SEE STARK 9-66 SET UP DATA 

MARCONI TF995A/2M FM/AM SIGNAL GENERATOR SCHEMATICS (1 MB PDF) 

*
MEISSNER 10-1154 ANALYST SCHEMATIC (.54 MD PDF) 

MERCURY LOGO

MERCURY 501 COMPONENT SUBSTITUTOR INSTRUCTION MANUAL (3.6 MB PDF) 

MERCURY 501 COMPONENT SUBSTITUTOR SCHEMATIC (1 MB PDF) 

MERCURY 990 TUBE TESTER SCHEMATIC (.32 MB PDF) 

MERCURY 990 TUBE TESTER TEST PROCEDURE (2.9MB PDF) 

MERCURY 1000 TUBE TESTER OPERATING MANUAL (3.5 MB PDF) 

MERCURY 1000 TUBE TESTER SCHEMATIC & PARTS LIST (.6 MB PDF) 

MERCURY 1100 TUBE TESTER SCHEMATIC (.45 MB PDF) 

MERCURY 1100A TUBE TESTER SCHEMATIC (.45 MB PDF) 

MERCURY 1100B TUBE TESTER SCHEMATIC (.47 MB PDF) 

MERCURY 1100C TUBE TESTER SCHEMATIC (.19 MB PDF) 

MERCURY 1101 TUBE TESTER INSTRUCTION MANUAL (3.4 MB PDF) 

MERCURY 1101 TUBE TESTER SCHEMATIC (.25 MB PDF) 

MERCURY 1101 TUBE TESTER TUBE CHART (3.1 MB PDF) 

MERCURY 1101 TUBE TESTER AD 

MERCURY 2000 TUBE TESTER OPERATING MANUAL & CALIBRATION (6.9 MB PDF) 

MERCURY 2000 TUBE TESTER SCHEMATIC & PARTS LIST (1.1 MB PDF) 

MERCURY 2000 TUBE TESTER TUBE CHART - 1976 (8.2 MB PDF) 

MERCURY 2000 TUBE TESTER TUBE CHART SUPPLEMENT - 1977 (.9 MB PDF) 

MERCURY M-1 "MAGNOVAL" TUBE SOCKET ADAPTER ORDER FORM (.6 MB PDF)
MERCURY NO LONGER EXIST - PLEASE DO NOT ATTEMPT TO ORDER
 

MERCURY MA-21 "10 PIN DECAL" TUBE SOCKET ADAPTER ORDER FORM (.6 MB PDF)
MERCURY NO LONGER EXIST - PLEASE DO NOT ATTEMPT TO ORDER
 

MERCURY MH-3 MULTI-HEAD CRT ADAPTER INSTRUCTION MANUAL (1.0 MB PDF) 

*
NORTHEASTERN ENGINEERING 700A RF SIGNAL GENERATOR (.5 MB PDF) 

*
PACO T-60 TUBE TESTER SCHEMATIC (.48 MB PDF) 

Precise

NEW   PRECISE 1954 TEST EQUIPMENT ADVERTISEMENT (1.4 MB PDF) 

NEW   PRECISE 111 GM & EM TUBE TESTER SCHEMATIC & PARTS LIST (1.3 MB PDF) 

PRECISE 111 GM & EM TUBE TESTER CALIBRATION (1.7 MB PDF) 

NEW   PRECISE 111 GM & EM TUBE TESTER ADVERTISEMENT (1.7 MB PDF) 

PRECISE 116 GM & EM TUBE TESTER SCHEMATIC (.5 MB PDF) 

NEW   PRECISE 300 & 308 WIDE BAND OSCILLOSCOPE ADVERTISEMENT (.8 MB PDF) 

NEW   PRECISE 308 WIDE BAND OSCILLOSCOPE SCHEMATIC (.9 MB PDF) 

NEW   PRECISE 308 WIDE BAND OSCILLOSCOPE CALIBRATION (1.5 MB PDF) 

NEW   PRECISE 308 WIDE BAND OSCILLOSCOPE INSTRUCTION MANUAL (8.8 MB PDF) 

NEW   PRECISE 468 RESISTANCE DECADE BOX INSTRUCTION MANUAL (2.6 MB PDF) 

NEW   PRECISE 478 CAPACITANCE DECADE BOX INSTRUCTION MANUAL (2.7 MB PDF) 

NEW   PRECISE 610 R.F. SIGNAL GENERATOR SCHEMATIC (.30 MB PDF) 

NEW   PRECISE 610 R.F. SIGNAL GENERATOR INSTRUCTION & CALIBRATION MANUAL (4.8 MB PDF) 

NEW   PRECISE 630 RF AF & TV MARKER GENERATOR SCHEMATIC (.32 MB PDF) 

NEW   PRECISE 630 RF AF & TV MARKER GENERATOR INSTRUCTION & CALIBRATION MANUAL (5.3 MB PDF) 

NEW   PRECISE 635 UNIVERSAL AUDIO GENERATOR SCHEMATIC (.33 MB PDF) 

NEW   PRECISE 635 UNIVERSAL AUDIO GENERATOR INSTRUCTION & CALIBRATION MANUAL (4.8 MB PDF) 

NEW   PRECISE 760 VOLTAGE REGULATED POWER SUPPLY SCHEMATIC (.5 MB PDF) 

NEW   PRECISE 760 VOLTAGE REGULATED POWER SUPPLY INSTRUCTION MANUAL (3.1 MB PDF) 

NEW   PRECISE 909 VACUUM TUBE VOLT METER ADVERTISEMENT (1.1 MB PDF) 

NEW   PRECISE 909 VACUUM TUBE VOLT METER (VTVM) SCHEMATIC (.3 MB PDF) 

NEW   PRECISE 909 VTVM INSTRUCTION & CALIBRATION MANUAL (3.3 MB PDF) 

NEW   PRECISE 912 OSCILLOSCOPE R.F. PROBE TECHNICAL DATA (1.2 MB PDF) 

NEW   PRECISE 960 OSCILLOSCOPE 10:1 PROBE TECHNICAL DATA (1.3 MB PDF) 

NEW   PRECISE 999 HIGH VOLTAGE PROBE INSTRUCTION MANUAL (1.7 MB PDF) 

PRECISE 9071 VOLTAGE REGULATED VTVM SCHEMATIC (.24 MB PDF) 

NEW   PRECISE 9071 VTVM INSTRUCTION & CALIBRATION MANUAL (3.8 MB PDF) 

Precision
NEW   PRECISION 1952 TEST EQUIPMENT CATALOG (16.5 MB PDF)
WITH "PRINCIPLES OF ELECTRONAMIC TUBE TESTING"
 

PRECISION SPECIAL OSCILLOGRAPH PROBES CONSTRUCTION & APPLICATION (2.4 MB PDF) 

PRECISION SERIES TV VTVM HIGH VOLTAGE MULTIPLIER PROBE APPLICATION NOTES (5.4 MB PDF) 

PRECISION SUPPLEMENTARY TUBE DATA MODELS 10-12, 10-15, 10-20, 10-22, 10-54 (1.5 MB PDF) 

PRECISION 612, PRECISION 614 TUBE TESTER SCHEMATIC (1.1 MB PDF) 

PRECISION 832 VOM SCHEMATIC (.61 MB PDF) 

LINK TO MORE PRECISION TUBE TESTER DATA 

Radio City Products
RCP - RADIO CITY PRODUCTS 314 TUBE TESTER SCHEMATIC (.5 MB PDF) 

RCP - RADIO CITY PRODUCTS 314 TUBE TESTER OPERATING MANUAL (2.5 MB PDF) 

RCP - RADIO CITY PRODUCTS 803 TUBE TESTER/ANALYZER (.5 MB PDF) 

RCP - RADIO CITY PRODUCTS 447 VOM (.4 MB PDF) 

RCA
RCA 156-B & 156-C TUBE TESTERS SCHEMATIC (.35 MB PDF) 

RCA WO-91A OSCILLOSCOPE SCHEMATIC (1.1 MB PDF) 

RCA WO-91A OSCILLOSCOPE ADJUSTMENTS (2.3 MB PDF) 

RCA WO-91B OSCILLOSCOPE SCHEMATIC (1.3 MB PDF) 

RCA WO-91B OSCILLOSCOPE ADJUSTMENTS (2.2 MB PDF) 

NEW   RCA WR-50B RF SIGNAL GENERATOR SCHEMATIC & PARTS LIST (1.0 MB PDF) 

NEW   RCA WR-50B RF SIGNAL GENERATOR ADJUSTMENTS (1.6 MB PDF) 

RCA WR-59C TV SWEEP GENERATOR SCHEMATICS (1.7 MB PDF) 

RCA WR-59C TV SWEEP GENERATOR ADJUSTMENTS (2.1 MB PDF) 

RCA WR-69A TV/FM SWEEP GENERATOR SCHEMATIC (.73 MB PDF) 

RCA WR-69A TV/FM SWEEP GENERATOR ADJUSTMENTS (2.2 MB PDF) 

RCA WR-70A RF/IF/VF MARKER ADDER SCHEMATIC CODE 356 (.46 MB PDF) 

RCA WR-70A RF/IF/VF MARKER ADDER SCHEMATIC NO CODE 356 (.40 MB PDF) 

RCA WR-70A RF/IF/VF MARKER ADDER ADJUSTMENTS (1.9 MB PDF) 

RCA WR-89A CRYSTAL CALIBRATED MARKER GENERATOR SCHEMATIC (.78 MB PDF) 

RCA WR-89A CRYSTAL CALIBRATED MARKER GENERATOR ADJUSTMENTS (2.5 MB PDF) 

RCA WR-99A CRYSTAL CALIBRATED MARKER GENERATOR SCHEMATIC (.97 MB PDF) 

RCA WR-99A CRYSTAL CALIBRATED MARKER GENERATOR ADJUSTMENTS (2.8 MB PDF) 

RCA WV-518A VOM SCHEMATIC (.2 MB PDF) 

*
REALISTIC TK-112 IN CIRCUIT CAPACITOR TESTER (.21 MB PDF) 

*
RIDER MODEL 11 CHANALYST SCHEMATIC (1 MB PDF) 

Sencore

NEW   ORIGINAL SENCORE PR57 "POWERITE" SCHEMATIC & PARTS LIST (2.6 MB PDF) 

SENCORE TC-130 TUBE TESTER SCHEMATIC (.25 MB PDF) 

SENCORE TC130 TUBE TESTER SERVICE MANUAL (4.1 MB PDF) 

SENCORE TC114, TC130, TC131, TC136 TUBE TESTER SET UP CHART ERROR 8233 (E55L) 

NEW   ORIGINAL SENCORE TC-162 TUBE TESTER SCHEMATIC & PARTS LIST (.76 MB PDF) 

SENCORE TDC22 TRANSISTOR CHECKER SCHEMATIC (.14 MB PDF) 

McMurdo Silver

ORIGINAL SILVER 900 VOMAX VTVM INSTRUCTION & SERVICE MANUAL (8.4 MB PDF) 

Simpson Electric Co.
SIMPSON 220 222 325 333 TUBE TESTERS OPERATING & SET UP DATA (4.2 MB PDF) 

Sprague
SPRAGUE KT-1 CAPACITOR CHECKER OPERATING MANUAL & SCHEMATIC (6.0 MB PDF) 

NEW   SPRAGUE TO-6 CAPACITOR ANALYSER SCHEMATIC (1.2 MB PDF) 

NEW   SPRAGUE TO-6 CAPACITOR ANALYSER OPERATING MANUAL & SCHEMATIC (9.2 MB PDF) 

STARK

STARK 8-77 TUBE TESTER SCHEMATIC (.4 MB PDF) 

STARK 9-11 & 9-55 TUBE TESTER SET UP DATA (.11 MB PDF) 

STARK 9-11, 9-11A, 9-54T, 9-55, 9-56 TUBE TESTER SUPPLEMENTARY SET UP DATA (1.2 MB PDF) 

STARK 9-11 & 9-55 TUBE TESTER INSTRUCTION MANUAL (5.5 MB PDF) 

STARK 9-11 TUBE TESTER SCHEMATIC (.18 MB PDF) 

STARK 9-11A TUBE TESTER SCHEMATIC (.26 MB PDF) 

STARK 9-11A TUBE TESTER SET UP DATA (3.2 MB PDF) 

STARK 9-11A TUBE TESTER AD 

STARK 9-54T TUBE TESTER/ANALYZER SCHEMATIC (.25 MB PDF) 

STARK 9-55 TUBE TESTER EARLY BATTERY TESTER VERSION SCHEMATIC (.19 MB PDF) 

STARK 9-55 TUBE TESTER EARLY VERSION SCHEMATIC (.15 MB PDF) 

STARK 9-55 TUBE TESTER EARLY VERSION COMPONENT LOCATION 

STARK 9-55 TUBE TESTER LATER VERSION SCHEMATIC (.17 MB PDF) 

STARK 9-55 TUBE TESTER LATER VERSION COMPONENT LOCATION 

STARK 9-55 TUBE TESTER LATER BATTERY TESTER VERSION SCHEMATIC (.21 MB PDF) 

STARK 9-55 TUBE TESTER LATER BATTERY TESTER VERSION COMPONENT LOCATION 

1948 STARK 9-11, 9-44, 9-55 TUBE TESTER AD 

STARK 9-56 TUBE TESTER SCHEMATIC (.19 MB PDF) 

STARK 9-56 TUBE TESTER AD 

STARK 9-66 TUBE TESTER SCHEMATIC (.7 MB PDF) 

STARK 9-66 TUBE TESTER OPERATING MANUAL (3.3 MB PDF) 

STARK 9-66 TUBE TESTER ROLL CHART - 1971 (1.0 MB PDF) 

STARK 9-66 AMERICAN TUBE SUPPLEMENTARY SET UP DATA - 1969 (1.7 MB PDF) 

STARK 9-66 EUROPEAN TUBE SUPPLEMENTARY SET UP DATA - 1969 (3.5 MB PDF) 

STARK 9-66 TUBE TESTER AD 

STARK 9-66 UNIVERSAL EUROPEAN TUBE ADAPTER INSTALLATION (1.4 MB PDF) 

STARK 9-66 SUB-MINIATURE TUBE TEST ADAPTER INSTRUCTIONS (1.5 MB PDF) 

STARK 9-66 TUBE TESTER CALIBRATION & TEST (.85 MB PDF) 

STARKIT 9-66A & 9-66AU TUBE TESTER SCHEMATIC - STARK 9-66A/U (1.1 MB PDF) 

NEW   STARKIT 9-66A & 9-66AU TUBE TESTER INSTRUCTION MANUAL - STARK 9-66A/U (7.4 MB PDF) 

STARK 9-99 TUBE TESTER SCHEMATIC (.5 MB PDF) 

STARK 9-99 TUBE SUPPLEMENTARY SET UP DATA - 1967 (2.0 MB PDF) 

STARK 9-99 TUBE TESTER AD 

STARK 10-A R.F. SIGNAL GENERATOR SCHEMATIC (.29 MB PDF) 

ORIGINAL STARK 10-A R.F. SIGNAL GENERATOR INSTRUCTION MANUAL (6.2 MB PDF) 

STARK 10-A R.F. SIGNAL GENERATOR AD 

STARK 12-22 TUBE TESTER SCHEMATIC (1.6 MB PDF) 

STARK 12-22A TUBE TESTER SCHEMATIC (1.6 MB PDF) 

STARK 12-22/12-22A TUBE TESTER CALIBRATION (2.1 MB PDF) 

STARK 12-22/12-22A TUBE TESTER INSTRUCTION MANUAL (14 MB PDF) 

STARK 12-22 TUBE TESTER AD - 1962 

STARKIT 38 CRT TESTER SCHEMATIC - STARK 38 (.27 MB PDF) 

STARKIT BJ-1 CONDENSER CHECKER SCHEMATIC - STARK BJ-1 (.23 MB PDF) 

STARK ES-1 VOM SCHEMATIC (.38 MB PDF) 

STARKIT KE-D STEREO LEVEL INDICATOR SCHEMATIC - STARK KE-D (.2 MB PDF)
(Starkit KE-D same as Lafayette TM-40)
 

STARKIT KE-S AUDIO LEVEL INDICATOR SCHEMATIC - STARK KE-S (.1 MB PDF) 

STARKIT LAG-55 AUDIO GENERATOR SCHEMATIC - STARK LAG-55 (1.3 MB PDF) 

STARKIT LSG-10 RF SIGNAL GENERATOR SCHEMATIC - STARK LSG-10 (.1 MB PDF) 

STARKIT LSG-10A RF SIGNAL GENERATOR SCHEMATIC - STARK LSG-10A (.22 MB PDF) 

STARKIT MHG-48 MARKER GENERATOR SCHEMATIC - STARK MHG-48 (.1 MB PDF) 

STARKIT MK-1 VOM SCHEMATIC - STARK MK-1 (.4 MB PDF) 

STARKIT MK-2 VOM SCHEMATIC - STARK MK-2 (.2 MB PDF) 

STARKIT MK-3 VOM SCHEMATIC - STARK MK-3 (.1 MB PDF) 

STARKIT MK-4 VOM SCHEMATIC - STARK MK-4 (.2 MB PDF) 

STARKIT MK-6 VOM SCHEMATIC - STARK MK-6 (.4 MB PDF) 

STARK MT-6D VOM SCHEMATIC - STARKIT MT-6D (.3 MB PDF) 

STARK OS-9 OSCILLOGRAPH SCHEMATIC (.35 MB PDF) 

STARK OS-9 OSCILLOGRAPH AD 

STARKIT OSK-1 OSCILLOSCOPE AD - STARK OSK-1 

STARKIT OSK-1 OSCILLOSCOPE SCHEMATIC - STARK OSK-1 (.7 MB PDF) 

STARKIT OSK-2 OSCILLOSCOPE SCHEMATIC - STARK OSK-2 (.6 MB PDF) 

STARKIT OSK-2 OSCILLOSCOPE INSTRUCTION MANUAL - STARK OSK-2 (10.6 MB PDF) 

STARKIT OSK-3 OSCILLOSCOPE SCHEMATIC - STARK OSK-3 (.45 MB PDF) 

STARKIT PD-3 VOM SCHEMATIC - STARK PD-3 (.3 MB PDF) 

STARKIT PS-501 REGULATED POWER SUPPLY SCHEMATIC - STARK PS-501 (.6 MB PDF) 

STARKIT PS-501A REGULATED POWER SUPPLY SCHEMATIC - STARK PS-501A (.6 MB PDF) 

STARKIT RFG-2 RF SIGNAL GENERATOR SCHEMATIC - STARK RFG-2 (.4 MB PDF) 

ORIGINAL STARK RP "MULTI-MASTER" VOM INSTRUCTION MANUAL (5.2 MB PDF) 

STARK RP "MULTI-MASTER" VOM SCHEMATIC (.3 MB PDF) 

1942 STARK RP "MULTI-MASTER" VOM AD 

STARKIT SAG-1 SINE-SQUARE WAVE GENERATOR SCHEMATIC - STARK SAG-1 (.7 MB PDF) 

STARK SD-1 VOM SCHEMATIC (.4 MB PDF) 

STARKIT SMG-57 SWEEP MARKER GENERATOR SCHEMATIC - STARK SMG-57 (.3 MB PDF) 

STARK ST-2 SIGNAL TRACER SCHEMATIC (.5 MB PDF) 

STARKIT SWG-58 SWEEP GENERATOR SCHEMATIC - STARK SWG-58 (.3 MB PDF) 

ORIGINAL STARK TA-1 "VOHMASTER" VTVM INSTRUCTION MANUAL (8.5 MB PDF) 

STARK TA-1 "VOHMASTER" VTVM SCHEMATIC (.4 MB PDF) 

STARK TA-1 "VOHMASTER" VTVM AD 

STARK TA-2 VTVM SCHEMATIC (.4 MB PDF) 

STARK TE-1 VOM SCHEMATIC (.2 MB PDF) 

STARKIT VMK-1 VTVM SCHEMATIC - STARK VMK-1 (.5 MB PDF) 

STARKIT VMK-2 VTVM SCHEMATIC - STARK VMK-2 (.4 MB PDF) 

STARKIT VMK-3 VTVM SCHEMATIC - STARK VMK-3 (.6 MB PDF) 

STARKIT VMK-4 VTVM SCHEMATIC - STARK VMK-4 (.8 MB PDF) 

STARK VT-9 VTVM SCHEMATIC (.5 MB PDF) 

STARK VT-9 AD 

STARK 460 VOM SCHEMATIC (.5 MB PDF) 

STARK 460 VOM AD 

STARK 500 D.C. MICROAMMETER SCHEMATIC (.2 MB PDF)  

STARK 531 D.C. VOLTMETER SCHEMATIC (.6 MB PDF) 

STARK 714 POWER SUPPLY SCHEMATIC - STARKIT 714 (.15 MB PDF) 

STARKIT 1001 VOM SCHEMATIC - STARK 1001 (.6 MB PDF) 

LINK TO MORE INTERESTING STARK INFORMATION 

*

SUPREME 563 AUDIO GENERATOR SCHEMATIC (.17 MB PDF) 

LINK TO MORE SUPREME TEST EQUIPMENT DATA 

*
SYLVANIA 134 POLYMETER VTVM SCHEMATIC (.5 MB PDF) 

SYLVANIA 139 TUBE TESTER SCHEMATIC (.3 MB PDF) 

*
TRIPLETT MODEL 10 TYPE 2 AC CLAMP-ON AMMETER ADAPTER INSTRUCTIONS (1.6 MB PDF) 

TRIPLETT 1210 TUBE TESTER SCHEMATIC (.65 MB PDF) 

TRIPLETT 1210 TUBE TESTER OPERATING & SET UP DATA (.65 MB PDF) 

TRIPLETT 1210A TUBE TESTER SCHEMATIC (.62 MB PDF) 

TRIPLETT 1620, 1621 TUBE TESTERS SCHEMATIC (.65 MB PDF) 

TRIPLETT 2432 RF SIGNAL GENERATOR SCHEMATIC (.36 MB PDF) 

TRIPLETT 3423 TUBE TESTER SCHEMATIC (.4 MB PDF) 

TRIPLETT 3423 TUBE TESTER INSTRUCTION MANUAL (5.4 MB PDF) 

TRIPLETT 3423 TUBE TESTER ROLL CHART SUPPLEMENT (6.3 MB PDF) 

TRIPLETT 3433 RF SIGNAL GENERATOR SCHEMATIC (.6 MB PDF) 

EARLY TELEVISION
(Electrostatic Deflection CRT models only)

ADMIRAL 19A11, 19A15 7" TELEVISION SERVICE DATA (6.5 MB PDF) 

ANDREA 1F5, KTE5 5" TELEVISION SCHEMATIC (LINK - PDF) 

DUMONT 180X, 181X, 182X & 183X TELEVISION SERVICE DATA (5.0 MB PDF) 

GENERAL ELECTRIC HM-171 5" TELEVISION SCHEMATIC (LINK - PDF) 

MEISSNER 10-1153 5" TELEVISION SCHEMATIC (1.0 MB PDF) 

MOTOROLA VT-73, VT-73A 7" TELEVISION SCHEMATIC (1.3 MB PDF) 

NATIONAL NC-TV7 7" TELEVISION SCHEMATIC (1.7 MB PDF) 

NEW   RCA TRK5, TT5 5" TELEVISION SCHEMATIC (1.2 MB PDF) 

SILVERTONE 9115, 9116 7" TELEVISION SCHEMATIC (1.7 MB PDF) 

TELE-TONE TV149 7" TELEVISION SCHEMATIC (1.8 MB PDF) 

TELE-TONE TV208TR, TV220 7" TELEVISION SCHEMATIC (1.7 MB PDF) 

TRANSVISION KIT 7" TELEVISION SERVICE DATA (3.1 MB PDF) 

VIEWTONE VP100, VP100A, VP101A 7" TELEVISION SERVICE DATA (2.8 MB PDF) 

MISCELLANEOUS

BURDICK X-85 CRYSTAL CONTROLLED DIATHERMY SCHEMATIC (1.4 MB PDF) 

DUAL TG12A REEL TO REEL TAPE RECORDER SCHEMATIC (1.3 MB PDF) 

EKO RHYTHMAKER SCHEMATIC (1.3 MB PDF) 

EKO RHYTHMAKER OPERATING MANUAL (4.2 MB PDF) 

ESTEY ORGAN SERVICE FLASH; 500, 700, 800 SERIES NEON DIVIDER OSCILLATORS (.58 MB PDF) 

GRUNDIG TK46 REEL TO REEL TAPE RECORDER SCHEMATIC (1.2 MB PDF) 

HALLICRAFTERS HT-11-C TRANSCEIVER SCHEMATIC (.74 MB PDF) 

HEATHKIT HN-31 DUMMY LOAD SCHEMATIC & INFORMATION (.47 MB PDF) 

MINI KORG 700 SYNTHESIZER OPERATING INSTRUCTIONS (3.5 MB PDF) 

KORTING MT155, MT156 REEL TO REEL TAPE RECORDER SCHEMATIC (1.2 MB PDF) 

KORTING MT3644 REEL TO REEL TAPE RECORDER SCHEMATIC (1.1 MB PDF) 

ORIGINAL NORDMENDE 9/900US REEL TO REEL TAPE RECORDER SERVICE SHEET (2.7 MB PDF)
TITAN
 

ORGAN MATE REVERB SCHEMATIC (.48 MB PDF) 

ORGAN MATE REVERB INSTALLATION INSTRUCTIONS (2 MB PDF) 

ROBERTS 770X REEL TO REEL TAPE RECORDER SCHEMATIC (1.2 MB PDF) 

SONY 262 REEL TO REEL TAPE RECORDER SCHEMATIC (1.1 MB PDF) 

SONY 464 REEL TO REEL TAPE RECORDER SCHEMATIC & ADJUSTMENTS (2.8 MB PDF) 

SWAN WM-1500 WATTMETER SCHEMATIC & INFORMATION (1.2 MB PDF) 

TANDBERG 74-B REEL TO REEL TAPE RECORDER SCHEMATIC (1.6 MB PDF) 

WEBSTER ELECTRIC "TELETALK" SS1500 CONSOLETTE CLASSROOM PA SERVICE MANUAL (13.1 MB PDF) 

*

Wanted List

We are always looking for more tubes of most types, but we are especially interested in the following:


  • 1L6
  • 2X3
  • 6CD7
  • 6DA6
  • 6F7M
  • 6G5
  • 6H7
  • 6H8
  • 6HR6
  • 6HS6
  • 6KH8
  • 6KX8
  • 6U5
  • 6X6
  • 7JP4 CRT
  • 12B6
  • 12U7
  • 12KP4 CRT
  • 12LP4 CRT
  • 25B6G
  • EF89
  • EM34
  • EM35
  • EMM801
 
 
other items we are looking for

Armaco vacuum tube equipment schematics
Chisholm radio service information and schematics
Northern Electric tube Hi-Fi amplifier schematics not currently on our web site
Radio and Appliance Sales magazines (1940's Canadian)
Radio and Electrical Trade Builder magazines (1940's Canadian)
Radio Trade Builder and Television News magazines (1940's Canadian)
Stark tube test equipment schematics not currently on our web site
Tube multiplex adapter schematics not currently on our web site
Tube tester schematics not currently on the internet

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Last Updated 30/07/2015