Table Of Contents - Pioneer SX-3900 Service Manual

Table of Contents

Specifications2
Table Of Contents2
S P E C T F T C A T T O N S3
Am Tuner Section3
Audio Section3
Front Panel Facilities4
Block Diagram7
Tuner Section7
Circuit Descriptions8
Fm Tuner Section8
Front End8
If Amplifier And Detector8
Phono Equalizer Amplifier9
Limiting The Locking Range9
Multiplex Decoder9
Power Amplifier Section10
High Speed Bias Servocontrol Circuit10
Bias Circuitry Of Non-Switching Amplifier10
Power Amplifier Circuit10
Display Circuit11
Power Indicator Circuit11
Frequency Display11
7 Segment Digit Display11
D I S P L A Y C I R C U I T11
Block Diagram Of Counter Ic12
Digit Signal12
Protection Circuit13
Tuning Indicator Circuit13
Signal Indicator Circuit13
Muting Operation When Power Supply Is Turned On And Off13
P R O T E C T I O N C I R C U I T13
Dc Voltage Detector14
Overload Detection14
Disassembly15
Wooden Cover15
Bottom Plate15
Front Panel15
D I S A S S E M B L Y15
Parts Location16
Front Panel View16
Front View With Panel Removed16
Rear Panel View16
Top View17
Bottom View17
Dial Cord Stringing18
D I A L C O R D S T R I N G I N G18
Adjustments19
Dc Balance19
Idle Current19
Output Power Indicator Calibration19
A D J U S T M E N T S19
Fm Tuner20
T U N E R S E C T I O N20
Crystal Detector21
Adjustment Of The Tuning Coils21
Fm Tuner Adjustment21
Frequency Display Circuit22
Adjustment Of Frequency Display22
Am Tuner23
Am Tuner Adjustment23
Schematic Diagram24
External Appearance Of Transistors And Ics24
S C H E M A T I C D I A G R A M24
P.c. Board Connection Diagram26
Parts List28
Miscellaneous Parts28
Exploded View34
Exterior Components34
Interior Components35
Heat Sink37
Packing38
S P E C I F I C A T I O N S40
Contrast Of Miscellaneous Parts41
Rectifier Assembly43
Fuse Holder Assembly43
De-Emphasis Assembly43