HT-DV40H
SERVICE MANUAL
No. SY756HTDV40HW
Parts marked with "
" are important for maintaining the safety of the set. Be sure to replace these parts with specified
ones for maintaining the safety and performance of the set.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
PRECAUTIONS FOR USING LEAD-FREE SOLDER
CHAPTER 1. GENERAL DESCRIPTION
[1] Safety Precaution For Service Manual ......... 1-1
[2] AC Power Supply Cord .................................. 1-2
[3] Specifications ................................................ 1-2
[4] Names Of Parts ............................................
........ 1-4
CHAPTER 2. ADJUSTMENTS
[1] Servo
Section ............................................... 2-1
[2] Test
Mode ..................................................... 2-2
[3] DVD
Test
Mode............................................. 2-3
[4] DVD Firmware Update Test Mode ................ 2-4
CHAPTER 3. MECHANISM BLOCKS
[1] Caution On Disassembly ............................... 3-1
[2] Removing
And
Reinstalling The Main Parts . 3-4
CHAPTER 4. DIAGRAMS
[1] Main Block Diagrams ..................................... 4-1
[2] DVD/CD Block Diagrams .............................. 4-3
[3] Power Block Diagrams .................................. 4-5
CHAPTER 5. CIRCUIT DESCRIPTION
[1] Waveforms Of DVD/CD Circuit...................... 5-1
[2] Voltage .......................................................... 5-2
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS
LAYOUT
[1] Notes On Schematic Diagram....................... 6-1
[2] Types Of Transistor And LED........................ 6-1
[3] Schematic
Diagram ....................................... 6-2
[4] Wiring Side Of PWB .................................... 6-12
CHAPTER 7. FLOWCHART
[1] Troubleshooting............................................. 7-1
CHAPTER 8. OTHERS
[1] Function Table Of IC...................................... 8-1
[2] FL
Display ..................................................... 8-8
PARTS GUIDE
DVD CINEMA
HT-DV40H
MODEL
HT-DV40H DVD Cinema consisting of HT-DV40H
(main unit), CP-DV40H (front speaker) and
CP-SW40H (subwoofer system).
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.
SHARP CORPORATION
[ Australia, Central & South America, Ind
ones
ia,
Singapore-Export
/Vietnam
, Middle East/Africa ]
Summary of Contents for HT-DV40H
Page 13: ...HT DV40H 2 6 MEMO ...
Page 15: ...HT DV40H 4 2 IC701 IXA161AW00 PR PB Y S01 Figure 4 2 MAIN BLOCK DIAGRAM 2 2 ...
Page 19: ...HT DV40H 4 6 Figure 4 6 POWER BLOCK DIAGRAM 2 2 ...
Page 30: ...HT DV40H 5 11 MEMO ...
Page 34: ...HT DV40H 6 4 Figure 6 3 MAIN SCHEMATIC DIAGRAM 3 8 TO SUBWOOFER PWB D BI402 13 14 15 16 17 18 ...
Page 35: ...HT DV40H 6 5 Figure 6 4 MAIN SCHEMATIC DIAGRAM 4 8 MIC_IN A B C D E F G H 1 2 3 4 5 6 ...
Page 36: ...HT DV40H 6 6 Figure 6 5 MAIN SCHEMATIC DIAGRAM 5 8 AZ4558CME JP826 7 8 9 10 11 12 ...
Page 38: ...HT DV40H 6 8 Figure 6 7 MAIN SCHEMATIC DIAGRAM 7 8 AUDIO SIGNAL A B C D E F G H 1 2 3 4 5 6 ...
Page 39: ...HT DV40H 6 9 Figure 6 8 MAIN SCHEMATIC DIAGRAM 8 8 SPEAKER TERMINAL 7 8 9 10 11 12 ...
Page 40: ...HT DV40H 6 10 Figure 6 9 USB SCHEMATIC DIAGRAM BI706 A B C D E F G H 1 2 3 4 5 6 ...
Page 41: ...HT DV40H 6 11 MEMO ...
Page 45: ...HT DV40H 6 15 Figure 6 13 DISPLAY SCHEMATIC DIAGRAM 2 2 7 8 9 10 11 12 ...
Page 47: ...HT DV40H 6 17 MEMO ...
Page 49: ...HT DV40H 6 19 Figure 6 16 DVD SCHEMATIC DIAGRAM 2 8 7 8 9 10 11 12 ...
Page 52: ...HT DV40H 6 22 Figure 6 19 DVD SCHEMATIC DIAGRAM 5 8 7 8 9 10 11 12 ...
Page 54: ...HT DV40H 6 24 Figure 6 21 DVD SCHEMATIC DIAGRAM 7 8 CD SIGNAL A B C D E F G H 1 2 3 4 5 6 ...
Page 67: ...HT DV40H 6 37 Figure 6 34 WIRING SIDE OF POWER PWB BOTTOM VIEW 2 2 7 8 9 10 11 12 ...
Page 71: ...HT DV40H 6 41 Figure 6 38 WIRING SIDE OF DISPLAY PWB BOTTOM VIEW 2 2 7 8 9 10 11 12 ...
