Sanyo dvw6100 - Section 3: Electrical; VCR Part Electrical Troubleshooting Guide; DVD Part Electrical Troubleshooting Guide

3-1
SECTION 3
ELECTRICAL
CONTENTS
OVERALL WIRING DIAGRAM.............................3-2
VCR PART
ELECTRICAL ADJUSTMENT
PROCEDURES
...........................................................3-3
ELECTRICAL
TROUBLESHOOTING GUIDE
..............................3-4
1. POWER(SMPS) CIRCUIT ......................................3-4
2. SYSTEM/KEY CIRCUIT .........................................3-7
3. SERVO CIRCUIT ....................................................3-8
4. OSD CIRCUIT.......................................................3-10
5. Y/C CIRCUIT .........................................................3-11
6. Hi-Fi CIRCUIT.......................................................3-15
7. Tuner/IF CIRCUIT.................................................3-18
BLOCK DIAGRAMS ...............................................3-20
1. Power (SMPS) BLOCK DIAGRAM......................3-20
2. TU/IF BLOCK DIAGRAM .....................................3-22
3. Y/C BLOCK DIAGRAM ........................................3-24
4. NORMAL AUDIO BLOCK DIAGRAM..................3-26
5. Hi-Fi BLOCK DIAGRAM ......................................3-28
6. SYSTEM BLOCK DIAGRAM ...............................3-30
CIRCUIT DIAGRAMS.............................................3-32
1. Power (SMPS) CIRCUIT DIAGRAM....................3-32
2. TU/IF CIRCUIT DIAGRAM ...................................3-34
3. A/V CIRCUIT DIAGRAM ......................................3-36
4. Hi-Fi CIRCUIT DIAGRAM ....................................3-38
5. JACK CIRCUIT DIAGRAM...................................3-40
6. SYSTEM CIRCUIT DIAGRAM..............................3-42
7. KEY CIRCUIT DIAGRAM .....................................3-44
• WAVEFORMS.........................................................3-46
• CIRCUIT VOLTAGE CHART..................................3-48
PRINTED CIRCUIT DIAGRAMS ........................3-50
1. MAIN P.C.BOARD ................................................3-50
2. KEY 1(LEFT) P.C.BOARD....................................3-52
3. TIMER P.C.BOARD ..............................................3-52
4. POWER P.C.BOARD ............................................3-53
DVD PART(NS MODEL)
ELECTRICAL
TROUBLESHOOTING GUIDE
............................3-54
1. µ-COM CIRCUIT ...................................................3-54
2. MPEG CIRCUIT ....................................................3-57
3. RF/Servo CIRCUIT...............................................3-58
BLOCK DIAGRAMS ...............................................3-62
1. DVD Overall BLOCK DIAGRAM .........................3-62
2. SERVO BLOCK DIAGRAM..................................3-63
3. Audio BLOCK DIAGRAM ....................................3-64
4. MPEG BLOCK DIAGRAM....................................3-65
CIRCUIT DIAGRAMS.............................................3-66
1. DVD DSP CIRCUIT DIAGRAM ............................3-66
2. DRIVE & RF CIRCUIT DIAGRAM........................3-68
3. MEMORY CIRCUIT DIAGRAM ............................3-70
4. INTERFACE CIRCUIT DIAGRAM ........................3-72
5. µ-COM/Expander CIRCUIT DIAGRAM ...............3-74
6. Jack CIRCUIT DIAGRAM ....................................3-76
• WAVEFORMS.........................................................3-78
• CIRCUIT VOLTAGE CHART..................................3-80
PRINTED CIRCUIT DIAGRAMS ........................3-86
1. SUB P.C.BOARD (TOP VIEW) .............................3-86
2. SUB P.C.BOARD (BOTTOM VIEW).....................3-88