Table of Contents
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OVERALL BLOCK DIAGRAM
1. POWER(SMPS) Circuit ............................................................................................................................3-3
2. SYSTEM/KEY CIRCUIT............................................................................................................................3-6
3. SERVO CIRCUIT ......................................................................................................................................3-7
4. OSD CIRCUIT ...........................................................................................................................................3-9
5. Y/C CIRCUIT ...........................................................................................................................................3-10
6. Hi-Fi CIRCUIT .........................................................................................................................................3-14
7. Tuner/IF CIRCUIT ...................................................................................................................................3-17
BLOCK DIAGRAMS
1. Power (SMPS) Block Diagram..............................................................................................................3-19
2. TU/IF, NICAM & A2 Block Diagram ......................................................................................................3-21
3. Y/C Block Diagram ................................................................................................................................3-23
4. NORMAL AUDIO Block Diagram ..........................................................................................................3-25
5. Hi-Fi Block Diagram(Hi-Fi PART) .........................................................................................................3-27
6. SYSTEM Block Diagram .......................................................................................................................3-29
CIRCUIT DIAGRAMS
1. Power (SMPS) Circuit Diagram ............................................................................................................3-31
2. TU/IF, NICAM & A2 Circuit Diagram .....................................................................................................3-33
3. A/V Circuit Diagram...............................................................................................................................3-35
4. Hi-Fi Circuit Diagram.............................................................................................................................3-37
5. SYSTEM Circuit Diagram......................................................................................................................3-39
• WAVEFORMS ...........................................................................................................................................3-41
• CIRCUIT VOLTAGE CHART ....................................................................................................................3-43
PRINTED CIRCUIT DIAGRAMS
1. MAIN P.C.BOARD...................................................................................................................................3-45
2. KEY P.C.BOARD ....................................................................................................................................3-47
3. CLOCK P.C.BOARD ...............................................................................................................................3-47
1. µ-COM CIRCUIT .....................................................................................................................................3-49
2. MPEG CIRCUIT ......................................................................................................................................3-51
3. RF/Servo CIRCUIT .................................................................................................................................3-52
1. DVD Overall Block Diagram .................................................................................................................3-56
2. RF/CD DSP/DVD DSP/DVD SERVO Block Diagram ...........................................................................3-57
3. Audio Block Diagram ............................................................................................................................3-58
4. MPEG Block Diagram............................................................................................................................3-59
5. µ-COM Block Diagram...........................................................................................................................3-60
CIRCUIT DIAGRAMS
1. DVD DSP Circuit Diagram.....................................................................................................................3-61
2. DRIVE & RF Circuit Diagram ................................................................................................................3-63
3. MPEG Circuit Diagram ..........................................................................................................................3-65
4. Audio DM & 5.1CH Circuit Diagram .....................................................................................................3-67
5. µ-COM/Expander Circuit Diagram........................................................................................................3-69
6. Jack Circuit DIAGRAM..........................................................................................................................3-71
• WAVEFORMS ...........................................................................................................................................3-73
• CIRCUIT VOLTAGE CHART ....................................................................................................................3-75
PRINTED CIRCUIT DIAGRAMS
1. MAIN P.C.BOARD (TOP VIEW)..............................................................................................................3-79
1. MAIN P.C.BOARD (BOTTOM VIEW) .....................................................................................................3-81
SECTION 3
ELECTRICAL
CONTENTS
.................................................................................................................3-2
..................................................................................................................................3-19
...............................................................................................................................3-31
...........................................................................................................3-45
..................................................................................................................................3-56
...............................................................................................................................3-61
...........................................................................................................3-79
....................................................................................3-3
..................................................................................3-49
3-1
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Table of Contents
Troubleshooting
