1. POWER(SMPS) CIRCUIT ............................................................................................................................................3-3

2. SYSTEM/KEY CIRCUIT ...............................................................................................................................................3-7

3. SERVO CIRCUIT..........................................................................................................................................................3-8

4. Y/C CIRCUIT ..............................................................................................................................................................3-11

5. Hi-Fi CIRCUIT ............................................................................................................................................................3-15

6. Tuner/IF CIRCUIT ......................................................................................................................................................3-18

BLOCK DIAGRAMS

1. Power (SMPS) BLOCK DIAGRAM ...........................................................................................................................3-20

2. TU/IF, NICAM & A2 BLOCK DIAGRAM....................................................................................................................3-22

3. VPS BLOCK DIAGRAM ............................................................................................................................................3-23

4. Y/C BLOCK DIAGRAM..............................................................................................................................................3-24

5. Hi-Fi BLOCK DIAGRAM............................................................................................................................................3-26

6. SYSTEM BLOCK DIAGRAM.....................................................................................................................................3-28

CIRCUIT DIAGRAMS

1. Power (SMPS) CIRCUIT DIAGRAM .........................................................................................................................3-30

2. TU/IF, NICAM & A2 CIRCUIT DIAGRAM ..................................................................................................................3-32

3. A/V CIRCUIT DIAGRAM ............................................................................................................................................3-34

4. Hi-Fi CIRCUIT DIAGRAM..........................................................................................................................................3-36

5. SCART(JACK) CIRCUIT DIAGRAM .........................................................................................................................3-38

6. SYSTEM CIRCUIT DIAGRAM ...................................................................................................................................3-40

• WAVEFORMS ..............................................................................................................................................................3-42

• CIRCUIT VOLTAGE CHART .......................................................................................................................................3-44

PRINTED CIRCUIT DIAGRAMS

1. MAIN P.C.BOARD......................................................................................................................................................3-48

2. KEY P.C.BOARD........................................................................................................................................................3-50

3. CLOCK P.C.BOARD ..................................................................................................................................................3-50

DVD PART

ELECTRICAL TROUBLESHOOTING GUIDE

1. µ-COM CIRCUIT ........................................................................................................................................................3-52

2. MPEG CIRCUIT .........................................................................................................................................................3-55

3. RF/Servo CIRCUIT ....................................................................................................................................................3-56

BLOCK DIAGRAMS

1. DVD Overall BLOCK DIAGRAM...............................................................................................................................3-60

2. RF/CD DSP/DVD DSP/DVD SERVO BLOCK DIAGRAM.........................................................................................3-61

3. Audio BLOCK DIAGRAM..........................................................................................................................................3-62

4. MPEG BLOCK DIAGRAM .........................................................................................................................................3-63

CIRCUIT DIAGRAMS

1. DVD DSP CIRCUIT DIAGRAM..................................................................................................................................3-64

2. DRIVE & RF CIRCUIT DIAGRAM .............................................................................................................................3-66

3. MPEG CIRCUIT DIAGRAM .......................................................................................................................................3-68

4. Audio DM CIRCUIT DIAGRAM .................................................................................................................................3-70

5. MEMORY CIRCUIT DIAGRAM..................................................................................................................................3-72

6. SCART(JACK) CIRCUIT DIAGRAM .........................................................................................................................3-74

• WAVEFORMS ..............................................................................................................................................................3-76

• CIRCUIT VOLTAGE CHART .......................................................................................................................................3-78

PRINTED CIRCUIT DIAGRAMS

1. MAIN P.C.BOARD (TOP VIEW).................................................................................................................................3-83

1. MAIN P.C.BOARD (BOTTOM VIEW) ........................................................................................................................3-84

SECTION 3

ELECTRICAL

CONTENTS

...................................................................................................................................3-1

.....................................................................................................................................................3-20

..................................................................................................................................................3-30

..............................................................................................................................3-48

.....................................................................................................................................................3-60

..................................................................................................................................................3-64

..............................................................................................................................3-82

.......................................................................................................3-2

......................................................................................................3-3

....................................................................................................3-52