Services
- Circuit
Diagrams |
|
Listed
in alphabetical order |
Unless
marked differently, then all
files are in GIF format, with the file size shown in brackets |
|
Akai
4000D, stereo analog tape recorder |
|
Complete
Circuit Diagram (204K) |
|
Amcron
(Crown) DC75, stereo power amplifier |
|
Complete
Circuit Diagram (119K) |
|
Amcron
(Crown) IC150 integrated circuit stereo console, stereo pre-amplifier |
|
Complete
Circuit Diagram (73K) |
|
Ampex
AG 440-8 recorder / reproducer, eight channel analog tape recorder |
|
PSU
& Master Oscillator (Record / Reproduce machine) (58K) |
|
PSU
(Reproduce only machine) (52K) |
|
Bias
Amplifier and Channel Wiring Diagram (82K) |
|
Record
and Reproduce Amplifiers (66K) |
|
Tape
Transport (88K) |
|
Audio
Design & Recording F760 series |
|
Board
A (105K) |
|
Board
B (111K) |
|
Board
C (84K) |
|
Brenell
"Mini" 8, eight channel analog tape recorder |
|
Channel
Card - Record (51K) |
|
Channel
Card - Playback (47K) |
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Channel
Card - Monitor and Meter (44K) |
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Channel
Card - Slave Oscillator (58K) |
|
Digital
Tape Counter (36K) |
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Ferguson
3224, mono valve analog tape recorder |
|
Complete
Circuit Diagram (62K) |
|
Ferguson
3245, 2 Tk mono tape recorder |
|
Complete
Circuit Diagram (62K) |
|
Ferguson
3257, stereo cassette recorder |
|
Complete
Circuit Diagram (62K) |
|
Ferrograph
Super Seven 75** series, mono/stereo analog tape recorders |
|
Complete
Circuit Diagram (155K) |
|
Dolby
"B" Noise Reduction Circuit Diagram (72K) |
|
Record
PCB (27K) |
|
Playback
PCB - 1 - (Note - Check Speed and Ser' No. on drawing) (28K) |
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Playback
PCB - 2 - (Note - Check Speed and Ser' No. on drawing) (28K) |
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Playback
PCB - 3 - (Note - Check Speed and Ser' No. on drawing) (29K) |
|
Power
Amplifier PCB (20K) |
|
Oscillator
PCB - Mono (17K) |
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Oscillator
PCB - Stereo (22K) |
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Meter
and Tone Control PCB (25K) |
|
Leak
"Stereo 20", stereo valve power amplifier |
|
Complete
Circuit Diagram (48K) |
|
Neal
102 mkII, transcription cassette recorder |
|
Complete
Circuit Diagram (jpg / 357K) |
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Otari
MX-5050 mk1 2SH, stereo analog tape recorder |
|
Audio
Path and Levels, Through Recorder (64K) |
|
Mic'
/ Line Input and Sel' Rep' Amplifier P.C. Board (PA-287A)
(155K) |
|
Power
and Transport Wiring (TD5050) (254K) |
|
Rec'
Output and Rep' Equalizer P.C. Board (PA-286A) (169K) |
|
Test
Oscillator and Line Output P,C. Board (PA-285) (88K) |
|
Otari
MX-5050 2SDmk2, QXD, 1/2 QXD, 8SD, analog tape recorders |
|
Audio
Wiring (326K) |
|
Bias
Buffer Amplifier Unit (PA-376 / 391 / 418 / 419) (54K) |
|
Master
Oscillator and Power Supply Unit (PA-315) (51K) |
|
Power
and Transport Wiring (300K) |
|
Record
Amplifier Unit (PA-371) (50K) |
|
Reproduce
Amplifier Unit (PA-372) (53K) |
|
Sel'
Reproduce Amplifier Unit (PA-375) (34K) |
|
Test
Oscillator Unit (PA-379) (27K) |
|
Transport
Control Unit (PA-316) (123K) |
|
Pioneer
SA-8100, integrated stereo amplifier |
|
Block
Diagram - Pre/Power Amplifier and PSU (110K) |
|
Transistor
Lead-outs (13K) |
|
Equalizer
Amplifier Unit (AWF-006) (20K) |
|
Control
Amplifier Unit (AWG-017) (24K) |
|
Power
Amplifier Unit (AWH-022-A) (33K) |
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Filter
Amplifier Unit (AWK-020) (10K) |
|
Protection
Unit (AWM-027) (14K) |
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Power
Supply Unit (AWR-030) (16K) |
|
Switch
Unit - Filters/Tone Defeat/Muting (AWS-035) (11K) |
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Switch
Unit - Tape Monitor's (AWS-036) (10K) |
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Switch
Unit - Loudness (AWS-037) (5K) |
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Volume
Unit (AWX-044) (5K) |
|
Pioneer
TX-9100, AM/FM stereo tuner |
|
Complete
Circuit Diagram (258K) |
|
QUAD
(Acoustical), QA12/P amplifier, mono valve pre/power amplifier |
|
Pre
Amplifier
(jpg / 109K) |
|
Main
Amplifier
(28K) |
|
QUAD
(Acoustical), Quad 1 amplifier, mono valve pre/power amplifier |
|
Control
Unit
(jpg / 39K) |
|
Main
Amplifier
(jpg / 61K) |
|
Main
Amplifier, with components/test voltages/modifications - Ideal for DIY
fans
(jpg / 119K) |
|
QUAD
(Acoustical), Quad 11 amplifier, mono valve power amplifier |
|
Complete
Circuit Diagram
(jpg / 99K) |
|
QUAD
(Acoustical), Quad 11 control unit, mono valve pre-amplifier |
|
Complete
Circuit Diagram (jpg / 114K) |
|
QUAD
(Acoustical), Quad 22 control unit, stereo valve pre-amplifier |
|
Complete
Circuit Diagram (jpg / 358K) |
|
QUAD
(Acoustical), Quad 22 pick-up adaptors, plug-in gain and
equalization control modules |
|
Circuit Diagrams and Components (jpg / 70K) |
|
Instructions
(jpg / 162K) |
|
QUAD
(Acoustical), Quad 33 control unit, stereo pre-amplifier |
|
Complete
Circuit Diagram (jpg / 696K) |
|
M12017
- Driver Amplifier -
Circuit Diagram (jpg / 34K) |
|
M12019
- Preamplifier - Circuit Diagram (jpg / 54K) |
|
M12021
- Disc Adapter - Circuit Diagram (jpg / 52K) |
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M12027
- Tape Adapter - Circuit Diagram (jpg / 46K) |
|
M12032
- Power Supply -
Circuit Diagram (jpg / 24K) |
|
QUAD
(Acoustical), Quad 303, stereo power amplifier |
|
Complete
Circuit Diagram (jpg / 198K) |
|
QUAD
(Acoustical), Quad 405 mk1, stereo power amplifier |
|
Complete
Circuit Diagram (jpg / 149K) |
|
QUAD
(Acoustical), Quad 405 mk2, stereo power amplifier |
|
Complete
Circuit Diagram - Early Models (jpg / 132K) |
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Complete
Circuit Diagram - Later Models (jpg / 135K) |
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QUAD
(Acoustical), Quad AM tuner, valve AM tuner |
|
Complete
Circuit Diagram (jpg / 116K) |
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QUAD
(Acoustical), Quad AM II tuner, valve AM tuner |
|
Complete
Circuit Diagram - European Model (jpg / 192K) |
|
Complete
Circuit Diagram - Overseas Model (jpg / 191K) |
|
QUAD
(Acoustical), Quad ESL 57, electrostatic loudspeaker |
|
Complete
Circuit Diagram (jpg / 61K) |
|
QUAD
(Acoustical), Quad FM tuner, mono valve FM tuner |
|
Complete
Circuit Diagram - Early Models (jpg / 132K) |
|
Complete
Circuit Diagram - Later Models (jpg / 135K) |
|
QUAD
(Acoustical), Quad FM tuner "add-on" multiplex stereo decoder
(germanium transistor) |
|
Complete
Circuit Diagram (jpg / 277K) |
|
QUAD
(Acoustical), Quad FM2, stereo valve FM tuner (silicon transistor
decoder) |
|
Complete
Circuit Diagram (jpg / 277K) |
|
QUAD
(Acoustical), Quad FM3, stereo FM tuner |
|
Complete
Circuit Diagram (jpg / 277K) |
|
QUAD
(Acoustical), Quad R tuner unit, valve AM tuner |
|
Complete
Circuit Diagram Etc. (jpg / 235K) |
|
Modification
for use with QUAD II pre-amp (jpg / 19K) |
|
Radford
MA15 (Mono) and STA15 (Stereo), valve power amplifiers |
|
Amplifier
(59K) |
|
Power
Supplies (63K) |
|
Radford
MA25 (Mono) and STA25 (Stereo), valve power amplifiers |
|
Amplifier
(62K) |
|
Power
Supplies (72K) |
|
RCA
BA-6, valve limiting amplifier |
|
Complete
Circuit Diagram (jpg/358K) |
|
Rebis
Audio RA201 - Noise gate |
|
Complete
Circuit Diagram (jpg/143K) |
|
Rebis
Audio RA203 - Compressor-limiter |
|
Complete
Circuit Diagram (jpg/251K) |
|
Rebis
Audio RA204 - Parametric EQ |
|
Complete
Circuit Diagram (jpg/145K) |
|
Rebis
Audio RA205 - ADT / Delay |
|
Complete
Circuit Diagram (jpg/184K) |
|
Rebis
Audio RA206 - Oscillator |
|
Complete
Circuit Diagram (jpg/101K) |
|
Rebis
Audio RA207 & RA207R - LED meter |
|
Complete
Circuit Diagram (jpg/204K) |
|
Surrey
Electronics - PPM 3 - Peak program meter driver |
|
Complete
Circuit Diagram (jpg/119K) |
|
This
list is being "Up-dated" at all times |
|