1
DV-740/X/W/T
S81Z3DV-740XX
SERVICE MANUAL
MODEL
Page
1. IMPORTANT SAFEGUARDS AND PRECAUTIONS ........................................................................... 2
2. FEATURES ........................................................................................................................................ 3
3. SPECIFICATIONS .............................................................................................................................. 3
4. PART NAMES ................................................................................................................................... 4
5. REMOTE CONTROL UNIT ................................................................................................................. 6
6. EXTENSION CABLE USE POINT (FOUR PLACES) ........................................................................... 7
7. SERVICE (TROUBLE SHOOTING FLOW CHART) ............................................................................. 8
8. NORMAL WAVEFORM ................................................................................................................... 11
9. IC FUNCTION LIST ........................................................................................................................... 19
10. BLOCK CIRCUIT SCHEMATIC DIAGRAMS ..................................................................................... 30
11. MAINBOARD ................................................................................................................................... 50
12. DISPLAY/OPTION BOARD .............................................................................................................. 56
13. POWER BOARD ............................................................................................................................. 58
14. PWB COMPONENT LIST ................................................................................................................ 60
15. REPLACEMENT PARTS LIST/EXPLODED VIEWS ......................................................................... 64
16. PACKING OF THE SET ................................................................................................................... 65
17. LOADER SET ................................................................................................................................. 67
CONTENTS
In the interests of user-safety (Required by safety regulations
in some countries) the set should be restored to its original
condition and only parts identical to those specified be used.
SERVICE MANUAL
DVD VIDEO PLAYER
MODELS DV-720S/720S(K)/720H
DVD VIDEO PLAYER
SHARP CORPORATION
DV-740/T
DV-740X/W
TENTATIVE
Summary of Contents for DV-740/T
Page 11: ...11 DV 740 X W T 8 NORMAL WAVEFORM ...
Page 12: ...DV 740 X W T 12 ...
Page 13: ...13 DV 740 X W T ...
Page 14: ...DV 740 X W T 14 ...
Page 15: ...15 DV 740 X W T ...
Page 16: ...DV 740 X W T 16 ...
Page 17: ...17 DV 740 X W T ...
Page 18: ...DV 740 X W T 18 ...
Page 19: ...19 DV 740 X W T 9 IC FUNCTION LIST 9 1 U1 ES4318 PINOUT DIAGRAM ...
Page 20: ...20 DV 740 X W T U1 ES4318 PIN DESCRIPTION ...
Page 22: ...22 DV 740 X W T 9 2 U2 U3 HY57V161610D PIN CONFIGURATIONS ...
Page 23: ...23 DV 740 X W T U2 U3 HY57V161610D FUNCTIONAL BLOCK DIAGRAM ...
Page 24: ...24 DV 740 X W T 9 3 U11 ADV7170 FUNCTIONAL BLOCK DIAGRAM ADV7170 PIN CONFIGURATIONS ...
Page 26: ...26 DV 740 X W T 9 4 U4 MX29F040 ...
Page 27: ...27 DV 740 X W T ...
Page 28: ...28 DV 740 X W T 9 5 U12 CS4340 ...
Page 29: ...29 DV 740 X W T ...
Page 30: ...30 DV 740 X W T 10 1 MPEG BLOCK DIAGRAM 10 BLOCK CIRCUIT SCHEMATIC DIAGR A M S ...
Page 31: ...31 DV 740 X W T ...
Page 32: ...32 DV 740 X W T 10 2 SYSTEM DIAGRAM ...
Page 33: ...33 DV 740 X W T ...
Page 34: ...34 A B C D E F 1 2 3 4 5 6 7 8 9 DV 740 X W T 10 3 POWER SUPPLAY DIAGRAM ...
Page 35: ...35 9 10 11 12 13 14 15 16 17 DV 740 X W T ...
Page 36: ...36 A B C D E F 1 2 3 4 5 6 7 8 9 DV 740 X W T 10 4 DVD PROCESSOR ...
Page 37: ...37 9 10 11 12 13 14 15 16 17 DV 740 X W T ...
Page 38: ...38 A B C D E F 1 2 3 4 5 6 7 8 9 DV 740 X W T 10 5 DVD ATAPI INTERFACE ...
Page 39: ...39 9 10 11 12 13 14 15 16 17 DV 740 X W T ...
Page 40: ...40 A B C D E F 1 2 3 4 5 6 7 8 9 DV 740 X W T 10 6 ROM SDRAM I O MAP ...
Page 41: ...41 9 10 11 12 13 14 15 16 17 DV 740 X W T ...
Page 42: ...42 A B C D E F 1 2 3 4 5 6 7 8 9 DV 740 X W T 10 7 TV ENCODER ...
Page 43: ...43 9 10 11 12 13 14 15 16 17 DV 740 X W T ...
Page 44: ...44 A B C D E F 1 2 3 4 5 6 7 8 9 DV 740 X W T 10 8 AUDIO DIAGRAM ...
Page 45: ...45 9 10 11 12 13 14 15 16 17 DV 740 X W T ...
Page 46: ...46 A B C D E F 1 2 3 4 5 6 7 8 9 DV 740 X W T 10 9 6 CH 2 CH AUDIO ...
Page 47: ...47 9 10 11 12 13 14 15 16 17 DV 740 X W T ...
Page 48: ...48 A B C D E F 1 2 3 4 5 6 7 8 9 DV 740 X W T 10 10 DISPLAY OPTION DIAGRAM ...
Page 49: ...49 9 10 11 12 13 14 15 16 17 DV 740 X W T ...
Page 50: ...50 A B C D E F 1 2 3 4 5 6 7 8 9 DV 740 X W T 11 1 SILKSCREEN TOP 11 MAINBOARD ...
Page 51: ...51 9 10 11 12 13 14 15 16 17 DV 740 X W T ...
Page 52: ...52 A B C D E F 1 2 3 4 5 6 7 8 9 DV 740 X W T 11 2 LAYER 1 ...
Page 53: ...53 9 10 11 12 13 14 15 16 17 DV 740 X W T ...
Page 54: ...54 A B C D E F 1 2 3 4 5 6 7 8 9 DV 740 X W T 11 3 LAYER 2 ...
Page 55: ...55 9 10 11 12 13 14 15 16 17 DV 740 X W T ...
Page 56: ...56 A B C D E F 1 2 3 4 5 6 7 8 9 DV 740 X W T 12 1 COMPONENT SIDE 12 DISPLAY OPTION BOARD ...
Page 57: ...57 A B C D E F 1 2 3 4 5 6 7 8 9 DV 740 X W T 12 2 SOLDER SIDE ...
Page 58: ...58 A B C D E F 1 2 3 4 5 6 7 8 9 DV 740 X W T 13 POWER SUPPLY PCB 13 1 COMPONENT SIDE A ...
Page 59: ...59 A B C D E F 1 2 3 4 5 6 7 8 9 DV 740 X W T 13 2 COMPONENT SIDE B ...
Page 64: ...64 DV 740 X W T CABINETEXPLODEDVIEW A B C D E F 1 2 3 4 5 6 7 8 9 ...
Page 65: ...65 DV 740 X W T 16 PACKING OF THE SET A B C D E F 1 2 3 4 5 6 7 8 9 ...
Page 66: ...66 DV 740 X W T M E M O ...
Page 67: ...67 DV 740 X W T LLOlLL LOADER ...
Page 68: ...68 DV 740 X W T 17 1 U1 M5701 DVD ROM Controller FUNCTIONBLOCKDIAGRAIN PINOUT DIAGRAM ...
Page 69: ...69 DV 740 X W T ...
Page 70: ...70 DV 740 X W T ...
Page 71: ...71 DV 740 X W T ...
Page 72: ...72 DV 740 X W T ...
Page 73: ...73 DV 740 X W T U2 SP3721A DVD ROM Controller Chip PIN DESCRIPTION PIN DESPRIPTION TABLE ...
Page 74: ...74 DV 740 X W T ...
Page 75: ...75 DV 740 X W T ...
Page 78: ...DV 740 X W T 78 A B C D E F 1 2 3 4 5 6 7 8 9 17 2 LOADER PWB 17 2 1 Component Side SIDE A ...
Page 79: ...DV 740 X W T 79 A B C D E F 1 2 3 4 5 6 7 8 9 17 2 2 Component Side SIDE B ...
Page 80: ...DV 740 X W T 80 A B C D E F 1 2 3 4 5 6 7 8 9 17 2 3 Wiring Side SIDE A ...
Page 81: ...DV 740 X W T 81 A B C D E F 1 2 3 4 5 6 7 8 9 17 2 4 Wiring Side SIDE B ...
Page 83: ...DV 740 X W T 83 A B C D E F 1 2 3 4 5 6 7 8 9 17 3 2 DRIVE 17 3 2 IDE ...
Page 84: ...DV 740 X W T 84 A B C D E F 1 2 3 4 5 6 7 8 9 17 3 3 INTEL 17 3 4 MEMORY ...
Page 85: ...DV 740 X W T 85 A B C D E F 1 2 3 4 5 6 7 8 9 17 3 5 POWER 17 3 6 PREAMP ...
Page 89: ...89 DV 740 X W T 17 6 MECHANISM EXPLODED VIEW DVD ROM ...