LG FB-D163 Service Manual

3-24
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. FLD DISPLAY PART CHECK
NO
YES
YES
YES
YES
Refer to SMPS
Troubleshooting
NO
Replace the related part
Check P3101 assembly
F1+,F2-both terminals:over
3.7V Check power VKK:over
-28V.
YES
FLT light on?
Check
CN101 1,2,3 power.
YES
Check
P3101 connection
condition and power F1+,F2-
both terminals:over 3.7V
Check power VKK:over -28V
Check 4.5 PIN:5.6V
YES
Check
IC304 PT6324
power 50 PIN VKK:-28V
9.52 PIN +5V
YES
YES
Check
power of each PIN.
IC100
Check→IC304
Data communication.
PIN PIN
27PIN→3PIN STB
26PIN→2PIN DO
28PIN→1PIN CLK
OK
OK
OK
NO
Replace the related part.
NO
Replace the related part.
NO
NO
NO
When 5V fails,check D321SR35
input and output power.
IC100 27 PIN→STB
28 PIN→1PIN CLK
Check Data output.
Check 26 PIN→DO
→DATA input.
YES
YES
YES
Check the related part
YES
Check the related part
OK
YES
FLD DISPLAY CHECK

LG FB-D163 Specifications

General

Brand	LG
Model	FB-D163
Category	Stereo System
Language	English