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VCR+DVD PLAYER DVP3350V
DVP3350V/01/02/05/19
Service
Service
Service
Service Manual
SECTION 1 SUMMARY 1-1 5. TUNER CIRCUIT DIAGRAM 3-37
WAVEFORMS 3-39
CIRCUIT VOLTAGE CHART 3-41
PRODUCT SAFETY SERVICING GUIDELINES FOR
IC BLOCK DIAGRAMS 3-47
VCR+DVD PRODUCTS 1-3
SERVICING PRECAUTIONS 1-4
PRINTED CIRCUIT BOARD DIAGRAMS 3-51
INFORMATION ABOUT LEAD-FREE SOLDERING 1-5
1. MAIN P.C.BOARD (TOP SIDE) 3-51
SERVICE INFORMATION FOR EEPROM IC SETTING(VCR) 1-6
2. MAIN P.C.BOARD (BOTTOM SIDE) 3-53
SERVICE INFORMATION FOR EEPROM (DVD) 1-7
3. POWER P.C.BOARD 3-55
SPECIFICATIONS 1-8
4. KEY P.C.BOARD 3-57
SECTION 2 CABINET & MAIN CHASSIS 2-1 DVD PART
DVD ELECTRICAL TROUBLESHOOTING GUIDE 3-59
1. CABINET AND MAIN FRAME SECTION 2-2 1. POWER CHECK FLOW 3-59
2. DECK MECHANISM SECTION [ DVD MD (DP-10C) ] 2-3 2. SYSTEM OPERATION FLOW 3-60
3. DECK MECHANISM SECTION [ VCR DECK D37(N) ] 2-4 3. TEST & DEBUG FLOW 3-61
1) FRONT LOADING MECHANISM SECTION 2-4
2) MOVING MECHANISM SECTION (1) 2-5 DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 3-67
3) MOVING MECHANISM SECTION (2) 2-6 1. SYSTEM 27MHZ CLOCK, RESET SIGNAL 3-67
4. PACKING ACCESSORY SECTION 2-7 2. SDRAM CLOCK 3-68
3. TRAY OPEN/CLOSE SIGNAL 3-68
SECTION 3 ELECTRICAL 3-1 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
VCR PART (NO DISC CONDITION) 3-71
VCR ELECTRICAL ADJUSTMENT PROCEDURES 3-2 7. FOCUS ON WAVEFORM 3-71
1. SERVO ADJUSTMENT 3-2 8. SPINDLE CONTROL WAVEFORM (NO DISC CONDITION) 3-72
9. TRACKING CONTROL RELATED SIGNAL
VCR ELECTRICAL TROUBLESHOOTING GUIDE 3-3 (SYSTEM CHECKING) 3-73
1. POWER(SMPS) CIRCUIT 3-3 10. RF WAVEFORM 3-74
2. SYSTEM/KEY CIRCUIT 3-6 11. ZR36966 AUDIO OPTICAL AND COAXIAL OUTPUT (SPDIF) 3-74
3. SERVO CIRCUIT 3-7 12. ZR36966 VIDEO OUTPUT WAVEFORM 3-75
4. Y/C CIRCUIT 3-10 13. AUDIO OUTPUT FROM AUDIO PREAMP 3-76
5. HI-FI CIRCUIT 3-14
6. TUNER/IF CIRCUIT 3-17 BLOCK DIAGRAMS 3-77
1. SYSTEM BLOCK DIAGRAM 3-77
BLOCK DIAGRAMS 3-19 2. SERVO BLOCK DIAGRAM 3-78
1. POWER(SMPS) BLOCK DIAGRAM 3-19 3. AUDIO & VIDEO IN/OUT BLOCK DIAGRAM 3-79
2. SYSTEM BLOCK DIAGRAM 3-21
3. AVCP BLOCK DIAGRAM 3-23 CIRCUIT DIAGRAMS 3-81
4. HI-FI BLOCK DIAGRAM 3-25 1. MPEG CIRCUIT DIAGRAM 3-81
5. TUNER BLOCK DIAGRAM 3-27 2. SERVO CIRCUIT DIAGRAM 3-83
3. JACK CIRCUIT DIAGRAM 3-85
CIRCUIT DIAGRAMS 3-29 IC BLOCK DIAGRAMS 3-87
1. POWER(SMPS) CIRCUIT DIAGRAM 3-29
2. SYSTEM CIRCUIT DIAGRAM 3-31
3. AVCP CIRCUIT DIAGRAM 3-33 SECTION 4 MECHANISM (D-37) OF VCR PART 4-1
4. HI-FI CIRCUIT DIAGRAM 3-35 SECTION 5 MECHANISM (DP-10C) OF DVD PART 5-1
This Service Manual is for DVP3350v Second Generation models,
For Second Generation Service models, The serial number begins with DE2Axxxxxxxxxx
Published by LG-LM 0805 AV System Printed in the Netherlands Subject to modification GB 3139 785 33440
CONTENTS
SECTION 1.........SUMMARY
SECTION 2.........CABINET & MAIN CHASSIS
SECTION 3.........ELECTRICAL
SECTION 4.........MECHANISM OF VCR PART
SECTION 5.........MECHANISM OF DVD PART
SECTION 6.........REPLACEMENT PARTS LIST
SECTION 1
SUMMARY
CONTENTS
PRODUCT SAFETY SERVICING GUIDELINES FOR DVD+VCR PRODUCTS ......................1-3
SERVICING PRECAUTIONS ....................................................................................................................1-4