LG LX-D2560A Service Manual page 15

I MICOM PART CHECK II
Check P7904 5PIN 5.6V
YES
Check power of both
terminals of D101 1SR35
YES
Check Q101 EMITTER 5V
and COLLECTOR 5V
YES
Check IC103 8PIN IC100
19,20,59 PIN 5V
YES
Check the working condition
X101: 32.768kHz
X100: 9.8304MHz
YES
OK
NO
Refer to SMPS
Troubleshooting
NO
Check D101 1SR35
output is working on 5V
YES
Check the related part
YES
OK
Check Q102 BASE
PIN 0.6V HIGH
YES
Check Q102 COLLECTOR
YES
Check the related part.
YES
OK
- 3-2 -
NO
Check output power
NO
of IC101 KIA7042 is
over 4.3V.
YES
Check the related
part.
YES
OK
Replace the
related parts
Replace the
related parts
NO
Replace the
related parts