HT-DV40H
7 – 1
CHAPTER 7. FLOWCHART
[1] Troubleshooting
1. When the CD/DVD does not function
The CD/DVD section may not operate when the objective lens of the optical pickup is dirty. Clean the objective lens,
and check the playback operation. When this section does not operate even after the above step is taken, check the
following items.
Remove the cabinet and follow the trouble shooting instructions.
"Track skipping and/or no TOC (Table Of Contents) may be caused by build up of dust or other foreign matter on the
laser pickup lens. Before attempting any adjustment make certain that the lens is clean. If not, clean it as mentioned
below."
Turn the power off.
Gently clean the lens with a lens cleaning tissue and a small amount of isopropyl alcohol.
Do not touch the lens with the bare hand.
2. DVD Section
Parts code
1.
CD optical pickup Lens cleaner disc
UDSKA0004AFZZ
HOW TO USE
CAUTION
Cleaning fluid
Cleaner disc
Using the brush in the cleaner cap, apply 1 or 2 drops of the cleaning fluid to the
brush on the CD cleaner disc which has the mark next to it.
Place the CD cleaner disc onto the CD/DVD disc tray with the brush side down,
then press the play button.
You will hear music for about 20 seconds and the CD/DVD player will automatically
stop. If it still play continuously, press the stop button.
1.
2.
3.
The CD lens cleaner should be effective for 30-50 operations, however if the
brushes become worn out earlier then please replace the cleaner disc.
If the CD cleaner brushes become very wet then wipe off any excess fluid with a soft
cloth.
Do not drink the cleaner fluid or allow it contact with the eyes. In the event of this
happening then drink and/or rinse with clean water and seek medical advice.
The CD cleaner disc must not be used on car CD players or on computer CD-ROM
drives.
All rights reserved. Unauthorized duplicating, broadcasting and renting this product
is prohibited by law.
• “No Disc” is displayed. (Focus error)
Does the objective lens move up and down after the disc is
removed? (Check the following items.)
No
Check CNP1 pin 23, 24 and IC2 pin 13, 14.
Yes
Is signal input to pins 4 - 11, 14, 15 of IC1?
No
Check connection of optical pickup cables.
If no abnormality is detected, replace optical pickup.
To 7-2 Page
Is focus control signal output from pin 43 of IC1 to pin 1 of IC2?
No
Check focus control signal line between IC1 and IC2.
(Refer Figure 1)
Содержание HT-DV40H
Страница 13: ...HT DV40H 2 6 MEMO ...
Страница 14: ...HT DV40H 4 1 CHAPTER 4 DIAGRAM 1 Main Block Diagrams TP1 TO DVD PWB 1 2 3 4 Figure 4 1 MAIN BLOCK DIAGRAM 1 2 ...
Страница 15: ...HT DV40H 4 2 IC701 IXA161AW00 PR PB Y S01 Figure 4 2 MAIN BLOCK DIAGRAM 2 2 ...
Страница 18: ...HT DV40H 4 5 3 Power Block Diagrams AC SUPPLY 220 240V 50Hz Figure 4 5 POWER BLOCK DIAGRAM 1 2 ...
Страница 19: ...HT DV40H 4 6 Figure 4 6 POWER BLOCK DIAGRAM 2 2 ...
Страница 30: ...HT DV40H 5 11 MEMO ...
Страница 33: ...HT DV40H 6 3 Figure 6 2 MAIN SCHEMATIC DIAGRAM 2 8 B2 TO DVD PWB C CNP14 4700pF 50V 4700pF 50V 7 8 9 10 11 12 ...
Страница 34: ...HT DV40H 6 4 Figure 6 3 MAIN SCHEMATIC DIAGRAM 3 8 TO SUBWOOFER PWB D BI402 13 14 15 16 17 18 ...
Страница 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 ...
Страница 36: ...HT DV40H 6 6 Figure 6 5 MAIN SCHEMATIC DIAGRAM 5 8 AZ4558CME JP826 7 8 9 10 11 12 ...
Страница 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 ...
Страница 39: ...HT DV40H 6 9 Figure 6 8 MAIN SCHEMATIC DIAGRAM 8 8 SPEAKER TERMINAL 7 8 9 10 11 12 ...
Страница 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 ...
Страница 41: ...HT DV40H 6 11 MEMO ...
Страница 45: ...HT DV40H 6 15 Figure 6 13 DISPLAY SCHEMATIC DIAGRAM 2 2 7 8 9 10 11 12 ...
Страница 47: ...HT DV40H 6 17 MEMO ...
Страница 48: ...HT DV40H 6 18 Figure 6 15 DVD SCHEMATIC DIAGRAM 1 8 TO DVD MECHA MOTOR 5 1 2 A B C D E F G H 1 2 3 4 5 6 ...
Страница 49: ...HT DV40H 6 19 Figure 6 16 DVD SCHEMATIC DIAGRAM 2 8 7 8 9 10 11 12 ...
Страница 52: ...HT DV40H 6 22 Figure 6 19 DVD SCHEMATIC DIAGRAM 5 8 7 8 9 10 11 12 ...
Страница 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 ...
Страница 56: ...HT DV40H 6 26 Figure 6 23 SUBWOOFER SCHEMATIC DIAGRAM 1 2 FROM MAIN PWB A BI402 A B C D E F G H 1 2 3 4 5 6 ...
Страница 67: ...HT DV40H 6 37 Figure 6 34 WIRING SIDE OF POWER PWB BOTTOM VIEW 2 2 7 8 9 10 11 12 ...
Страница 71: ...HT DV40H 6 41 Figure 6 38 WIRING SIDE OF DISPLAY PWB BOTTOM VIEW 2 2 7 8 9 10 11 12 ...
Страница 156: ...HT DV40H 21 12 SPEAKER BOX PARTS FRONT L CH R CH WOOFER SP1 2 WOOFER SP3 4 TWEETER SP5 6 SP5 6 SP3 4 SP1 2 ...
Страница 158: ...HT DV40H 23 13 SPEAKER BOX PARTS SUBWOOFER 906 912 x 4 901 907 903 908 909 908 909 905 x 4 913 x 8 SP1 910 911 902 904 ...
