Name: Pioneer PDR-04
Brand: Pioneer
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Contents1
Safety Information2
Exploded Views and Parts List3
Packing3
Exterior4
Exterior Parts List6
Loading Mechanism Assy TT Exploded View7
Loading Mechanism Assy TT Parts View9
How to Install the Disc Table9
Schematic Diagram10
Overall Wiring Diagram10
Mechanism and Head Board Assemblies Diagram12
Servo UCOM Board Assy Diagram14
Audio Digital Board Assy and Strategy Small Board Assy Diagram16
Audio Digital Board Assy and ALC Board Assy Diagram20
Audio Digital Board Assy/Servo UCOM Board Assy/Headphone Board Assy22
Function, Power a and Power B Board Assemblies Diagram24
Waveforms and Voltages of Head Board Assy26
Waveforms and Voltages of Servo UCOM Board Assy27
Waveforms and Voltages of Audio Digital Board Assy30
PCB Connection Diagram32
Mechanism and Head Board Assemblies PCB32
Head Body Assy PCB33
Servo UCOM Board Assy PCB34
Audio Digital and Straregy Small Board Assemblies Pcbs36
Audio Digital Board Assy PCB37
Function, Power a and Power B Board Assemblies Pcbs38
ALC and Headphone Board Assemblies Pcbs40
PCB Parts List41
Adjustment Methods46
Measuring Instruments and Tools46
Adjustment Items/Verification Items and Order46
Adjustment 1/246
Adjustment Points Diagram47
Test Mode48
Release from Test Mode48
Operations of the Keys in Test Mode48
How to Play Back a Disc in Test Mode49
Adjustment 150
Playback Power Adjustment50
Coarse Focus Offset Adjustment51
Coarse Skew Adjustment52
Coarse Grating Adjustment53
DPP (Tracking Offset) Adjustment54
How to Find the Null Point54
Fine Focus Offset Adjustment55
Fine Skew Adjustment56
Adjustment 257
CD-R VCO Control Voltage Adjustment57
Multi Pulse Time Adjustment58
EFM Rising Edge Time Adjustment58
Falling Edge Time Adjustment59
WBL+ Offset Adjustment59
Coarse WBL Offset Adjustment60
Playback Power Re-Adjustment60
Main and Sub MIX Ratio Adjustment61
Tracking Amp. Gain Adjustment61
Tracking Offset Adjustment62
ACT Offset Adjustment63
ACT Gain Adjustment63
Adjustment of Fine Focus Offset64
WBL Balance Adjustment65
Fine WBL Offset Adjustment66
WBL Focus Offset Adjustment67
Recording Power Adjustment68
HF Amp. Gain Adjustment69
Focus Servo Loop Gain Adjustment70
Tracking Servo Loop Gain Adjustment71
General Information72
Parts72
Servo UCOM Board Assy IC72
Peripheral Block Diagram - Servo Section75
Operating Flow Chart76
Timing Chart80
Tracking Error Gain Adjustment Flow Chart82
Tracking Gain Adjustment Timing Chart83
Loading Control for Turn Table83
Spindle Servo Mode Selection During CD-R, Stop-Play-Search-Operations83
Servo UCOM Board Assy - Mode Control Microcomputer Pin Functions84
System Serial Communication86
Communication with Mechanism Controller and Mode Controller86
Communication with Digital Interface LSI87
Communication with Analog Input ATT LSI87
ALC Board Assy - 2-Channel 78Db Audio Attenuator with Mute88
Audio Digital Board Assy Block Diagram88
Audio Digital Board Assy - Pin Function89
Audio Digital Board Assy - Digital Delay Line, Block Diagram91
Audio Digital Board Assy Pin Arrangement/Block Diagram92
Audio Digital Board Assy Pin Function93
Display94
Function Board Assy Pin Connection/Grid Assignment/Anode Connection94
Diagnosis95
Disassembly95
Explanation96
Block Diagram - Servo System Block96
Block Diagram - Audio System Block98
Panel Facilities100
Remote Control Unit101
Specifications102

Brand	Pioneer
Model	PDR-04
Category	Recording Equipment
Language	English

Pioneer PDR-04 Service Manual

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Pioneer PDR-04 Specifications

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