VCR+DVD PLAYER
SECTION 1 SUMMARY 1-1
PRODUCT SAFETY SERVICING GUIDELINES FOR
VCR+DVD PRODUCTS 1-3
SERVICING PRECAUTIONS 1-4
INFORMATION ABOUT LEAD-FREE SOLDERING 1-5
SERVICE INFORMATION FOR EEPROM IC SETTING(VCR) 1-6
SERVICE INFORMATION FOR EEPROM (DVD) 1-7
SPECIFICATIONS 1-8
SECTION 2 CABINET & MAIN CHASSIS 2-1
1. CABINET AND MAIN FRAME SECTION 2-2
2. DECK MECHANISM SECTION [ DVD MD (DP-10C) ] 2-3
3. DECK MECHANISM SECTION [ VCR DECK D37(N) ] 2-4
1) FRONT LOADING MECHANISM SECTION 2-4
2) MOVING MECHANISM SECTION (1) 2-5
3) MOVING MECHANISM SECTION (2) 2-6
4. PACKING ACCESSORY SECTION 2-7
SECTION 3 ELECTRICAL 3-1
VCR PART
VCR ELECTRICAL ADJUSTMENT PROCEDURES 3-2
1. SERVO ADJUSTMENT 3-2
VCR ELECTRICAL TROUBLESHOOTING GUIDE 3-3
1. POWER(SMPS) CIRCUIT 3-3
2. SYSTEM/KEY CIRCUIT 3-6
3. SERVO CIRCUIT 3-7
4. Y/C CIRCUIT 3-10
5. HI-FI CIRCUIT 3-14
6. TUNER/IF CIRCUIT 3-17
BLOCK DIAGRAMS 3-19
1. POWER(SMPS) BLOCK DIAGRAM 3-19
2. SYSTEM BLOCK DIAGRAM 3-21
3. AVCP BLOCK DIAGRAM 3-23
4. HI-FI BLOCK DIAGRAM 3-25
5. TUNER BLOCK DIAGRAM 3-27
CIRCUIT DIAGRAMS 3-29
1. POWER(SMPS) CIRCUIT DIAGRAM 3-29
2. SYSTEM CIRCUIT DIAGRAM 3-31
3. AVCP CIRCUIT DIAGRAM 3-33
4. HI-FI CIRCUIT DIAGRAM 3-35
5. TUNER CIRCUIT DIAGRAM 3-37
WAVEFORMS 3-39
CIRCUIT VOLTAGE CHART 3-41
IC BLOCK DIAGRAMS 3-47
PRINTED CIRCUIT BOARD DIAGRAMS 3-51
1. MAIN P.C.BOARD (TOP SIDE) 3-51
2. MAIN P.C.BOARD (BOTTOM SIDE) 3-53
3. POWER P.C.BOARD 3-55
4. KEY P.C.BOARD 3-57
DVD PART
DVD ELECTRICAL TROUBLESHOOTING GUIDE 3-59
1. POWER CHECK FLOW 3-59
2. SYSTEM OPERATION FLOW 3-60
3. TEST & DEBUG FLOW 3-61
DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 3-67
1. SYSTEM 27MHZ CLOCK, RESET SIGNAL 3-67
2. SDRAM CLOCK 3-68
3. TRAY OPEN/CLOSE SIGNAL 3-68
4. SLED CONTROL RELATED SIGNAL (NO DISC CONDITION) 3-70
5. LENS CONTROL RELATED SIGNAL (NO DISC CONDITION) 3-70
6. LASER POWER CONTROL RELATED SIGNAL
(NO DISC CONDITION) 3-71
7. FOCUS ON WAVEFORM 3-71
8. SPINDLE CONTROL WAVEFORM (NO DISC CONDITION) 3-72
9. TRACKING CONTROL RELATED SIGNAL
(SYSTEM CHECKING) 3-73
10. RF WAVEFORM 3-74
11. ZR36966 AUDIO OPTICAL AND COAXIAL OUTPUT (SPDIF) 3-74
12. ZR36966 VIDEO OUTPUT WAVEFORM 3-75
13. AUDIO OUTPUT FROM AUDIO PREAMP 3-76
BLOCK DIAGRAMS 3-77
1. SYSTEM BLOCK DIAGRAM 3-77
2. SERVO BLOCK DIAGRAM 3-78
3. AUDIO & VIDEO IN/OUT BLOCK DIAGRAM 3-79
CIRCUIT DIAGRAMS 3-81
1. MPEG CIRCUIT DIAGRAM 3-81
2. SERVO CIRCUIT DIAGRAM 3-83
3. JACK CIRCUIT DIAGRAM 3-85
IC BLOCK DIAGRAMS 3-87
SECTION 4 MECHANISM (D-37) OF VCR PART 4-1
SECTION 5 MECHANISM (DP-10C) OF DVD PART 5-1
Published by LG-KC 0511 AV System Printed in the Netherlands Subject to modification GB 3139 785 30780
This Service Manual is for DVP3350v First Generation models,
For First Generation Service models, The serial number begins with DE1Axxxxxxxxxx
Service Manual