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DVD Player
DVP721VR
Page 2
Philips DVP721VR - Page 2
119 pages
Manual
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CONTENTS
SECTION 1
. . . .
SUMMAR
Y
SECTION 2
. . . .
CABINET & MAIN CHASSIS
SECTION 3
. . . .
ELECTRICAL
SECTION 4
. . . .
MECHANISM OF VCR P
ART
SECTION 5
. . . .
MECHANISM OF DVD P
ART
SECTION 6
. . . .
REPLACEMENT P
ARTS LIST
1
3
Table of Contents
Main Page
Section 1 Summary
3
Product Safety Servicing Guidelines for Video Products
4
Servicing Precautions
5
Service Information for Eeprom IC Setting
6
Specifications
7
Packing Accessory Section
10
Section 3 Electrical
11
Default Chapter
11
Table of Contents
11
Overall Block Diagram
13
Vcr Part
13
Electrical Adjustment Procedures
13
Servo Adjustment
13
Electrical Troubleshooting Guide
14
Power(Smps) Circuit
14
System/Key Circuit
17
Servo Circuit
18
Y/C Circuit
21
Hi-Fi CIRCUIT
25
Tuner/If CIRCUIT
28
Block Diagrams
30
Power(Smps) BLOCK DIAGRAM
30
Tu/If, NICAM & A2 BLOCK DIAGRAM
31
Vps Block Diagram
31
Y/C Block Diagram
32
Hi-Fi BLOCK DIAGRAM
33
System Block Diagram
34
Circuit Diagrams
35
Power(Smps) CIRCUIT DIAGRAM 1
35
Power(Smps) CIRCUIT DIAGRAM 2
36
Tu/If, Nicam & A2 Circuit Diagram
37
A/V Circuit Diagram
38
Hi-Fi CIRCUIT DIAGRAM
39
Scart(Jack) Circuit Diagram
40
System Circuit Diagram
41
Waveform & Voltage Sheet
42
Circuit Voltage Chart
43
Printed Circuit Diagrams
45
Solder Side
45
Component Side
46
Smps P.C.board
47
DVD Part
48
Electrical Troubleshooting Guide
48
System Operation Flow
48
System Test Flow
49
Details and Waveforms on System Test and Debugging
55
System 27Mhz Clock, Reset, Flash R/W Signal
55
Sdram Clock
57
Tray Open/Close Signal
57
Sled Control Related Signal (no Disc Condition)
58
Lens Control Related Signal(no Disc Condition)
58
Laser Power Control Related Signal(no Disc Condition)
59
Disc Type Judgement Waveform
59
Focus on Waveform
61
Spindle Control Waveform (no Disc Condition)
62
Tracking Control Related Signal(System Checking)
63
Mt1389 Audio Optical and Coaxial Output(Spdif)
64
Mt1389 Video Output Waveform
64
Mt1389 Audio Output to Audio Dac
65
Audio Output from Audio Dac
66
Block Diagrams
67
Overall Block Diagram
67
Servo Block Diagram
68
Mpeg & Memory Block Diagram
69
Video & Audio Block Diagram
70
Circuit Diagrams
72
System Circuit Diagram
72
Rf & Dsp Servo Circuit Diagram
73
Av/Jack Circuit Diagram
74
Top View
77
Disassembly of Gear Assembly
80
Fixtures and Tools for Service
88
Mechanism Assembly Mode Check
89
Torque Measuring
90
Guide Roller Height Adjustment
91
Essential Check and Repair
96
Tools for Check and Repair
96
Maintenance Process
96
Regular Check and Repair
96
Deck Mechanism
99
Front Loading Mechanism
102
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