1/1
Service Technical Information
MODEL NO.
TV− SE141 / SE211
SUBJECT
Audio malfunction
REF.No. :G − A1− 024− E0
DATE :14. JUN. 2001
<CONTENTS>
Noise enters into the data line(SDA/SCK) of IC404(volume controller) and causes the following symptoms.
<SYMPTOM>
Sound cuts out intermittently.
One channel becomes louder than the other.
<COUNTERMEASURE>
Add a capacitor to the data line(SDA/SCK) of IC404(volume controller) and compose a noise filter(Lands are available).
IC404
Circuit diagram
SDA SCK
IC1 5pin IC1 4pin
9 10
C474 | C475 |
100pF | 100pF |
|
Add C474 and C475
Pattern diagram
Enlarged diagram
IC404
C475/100pF
10 9
AUDIO PWB
IC404
Apprecable section
C474/100pF
CN404
| Ref. |
| Parts Code |
| Description |
| Remarks | ||||
|
|
|
|
|
|
|
|
|
|
| |
C475,C474 |
| 87− 010− 322− | 080 | −C CAP,S 100P− 50 J CH GR |
| − | |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
G | R |
| Code No. |
| Access Code |
| Modified Ser. No. | Parts Schedule | |||
|
|
|
|
|
|
|
|
|
|
| |
− | − |
|
| − |
|
| − |
| − | − | |
|
|
|
|
|
|
|
|
|
|
|
|
