Check audio

Standard Repair Process

 

 

Error

C. Audio error

Established

2012. 01 .14

 

 

 

LCD TV

date

 

 

 

symptom

Wrecked audio/ discontinuation/noise

Revised date

 

10/14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

abnormal audio/discontinuation/noise is same after “Check input signal” compared to No audio

A16

Check input signal -RF

-External Input signal

Signal normal?

N

Y

(When RF signal is not received)

Wrecked audio/

Check and replace

Discontinuation/

speaker and

Noise for

connector

all audio

 

Wrecked audio/ Discontinuation/

Noise only Replace Main B/D for D-TV

Wrecked audio/ Discontinuation/ Noise only

for Analog

Check audio

B+ Voltage (24V)

Y

Normal

voltage?

N

Replace Power B/D

Request repair to external cable/ANT provider

(In case of External Input signal error) Check and fix external device

Wrecked audio/ Discontinuation/ Noise only

for External Input

Connect and check other external device

Normal audio?

Y (In case of External Input signal error) Check and fix external device

Replace Main B/D

N

End

Check and fix external device

Copyright © 2012 LG Electronics. Inc. All rights reserved.

LGE Internal Use Only

Only for training and service purposes

 

Page 51
Image 51
LG Electronics 32LS5620-ZD, 32LS5610/561T-ZA, 32LS5600/560S/560T-ZC C. Audio error, Lcd Tv, Check audio B+ Voltage