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)
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 ...
