LG DM2352D-PZN - Page 22

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LGE Internal Use Only
Copyright © LG Electronics. Inc. All right reserved.
Only for training and service purposes
8. No Audio
Make sure you can’t hear any audio and
Device support the audio signal normally.
Check Speaker and
its wire connection (P700)
and the resistance
Check Signal from IC700
L702,L703, L704, L705
Y
Replace IC700
N
1.Check C820 Voltage Level (19V)
2. Check Audio Amp(IC700) Power (3.3V)
Y
Replace IC700(19V), IC2602(3.3V)
Or Adapter
N
Y
Check Signal from IC101
SDA/SCL
(R703/R214, R707/R213)
Y
Replace IC101
N
Replace connector or Speaker
N