DOWNLOAD LG 42PM1M-UC (CHASSIS:RF-052C) Service Manual ↓ Size: 10.79 MB | Pages: 34 in PDF or view online for FREE

Model
42PM1M-UC (CHASSIS:RF-052C)
Pages
34
Size
10.79 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
42pm1m-uc-chassis-rf-052c.pdf
Date
PREV: LG 42PM1M-TA (CHASSIS:RF-052A) Service Manual

LG 42PM1M-UC (CHASSIS:RF-052C) Service Manual ▷ View online

- 21 -
TROUBLE SHOOTING GUIDE
6. In case of no sound
(1) Symptom
¯
LED is green
¯
Screen display but sound is not output
(2) Check following
Is the SPK cable
normal?
Is the SPK cable
connected well?
Cable inserts well.
No
No
Replace IC400
No
Replace IC401
No
Replace SPK cable
Yes
Yes
Is the RF/ AV/
Component/ RGB/
HDMI sound normal?
No
Does IC400
Operates ?
Does IC401
Operates ?
Replace IC402
No
Does IC402
Operates ?
Replace 
VSC B/D
Yes
Yes
(6) In the case of becomes unusual display from HDMI mode
Is the Sil9011
normal?
Yes
Is the FIL8532
normal?
Is the Input voltage, IIC
Communication and HV sync
normal?
No
Replace the IC
No
Is the Input voltage, IIC
Communication and HV sync
normal?
No
Replace the IC
No
- 22 -
BLOCK DIAGRAM
- 23 -
NOTES
- 24 -
EXPLODED VIEW
305
300
200
501
530
590
520
540
541
301
304
302
303
560
310
210
400
102
101
103
104
580
203
206
201
204
205
202
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