Table Of Contents - ADC Sound Shaper Three Service Manual

Table of Contents

Table Of Contents2
Specifications3
Circuit Description4
Main Power Supply4
Led Meter Comparator Circuit Description5
Operational Amplifier Feedback Circuit5
Precision Half-Wave Rectifier And Amplifier Circuit6
Comparator Circuit For Led Level Meter Description6
Frequency Equalization7
Signal Gain Control Circuit8
Comparator Circuit For Signal Gain Control Indicator (Led)8
Popping Noise Protective Circuit9
Led Meter Operating Chart9
Switch Functions10
Line-Rec And Monitor Switches "In"10
Line-Rec Switch "In"10
Line-Rec, Monitor And By-Pass Switches "Out"/Monitor Switch "In"10
By-Pass Switch "In"11
By-Pass And Monitor Switches "In"11
Meter Switch "In"11
Led Meter Indicates Signal At Output Jack When Meter Switch Is "In"11
Disassembly Instructions12
To Remove Chassis From Metal Cabinet12
Removal Of Front Panel12
Meter Switch "In", By-Pass/Eq Switch To "Eq"12
Block Diagram13
Adjustment Procedures14
Signal Gain Control Adjustment14
Led Meter Calibration Procedure14
Calibrator14
Check Point For Each Led Meters15
Calibrator Schematic16
Amp Pcb Diagram16
Power Supply And Meter Pcb Diagram16
Troubleshooting17
Amp Pcb View19
Amp P.c.b.(Top & Bottom Views)19
Power Supply And Meter Pcb View20
Switch (L) Pcb View21
Switch (R) Pcb View22
Slide Volume (L) Pcb View23
Slide Volume (R) P. C. B. (Top & Bottom Views)24
Electrical Parts List25
Capacitors List25
Diodes27
Fuses28
Integrated Circuits28
Inductors28
Led's28
Jumper Wire29
Relay29
Resistors List29
Switches List33
Transformers List33
Transistors List33
Variable Resistors34
Exploded View Part List35
Miscellaneous Parts List37
Schematic Diagram38
Exploded View39