Olevia 232-S12, Service Manual

Page: 10 / 44

Doc No.
Version 1.0
TITLE
Service Manual
LCD TV For 232-S12
Page 10/44
4-5 Audio Problems
Audio Problems
Can’t adjustment
Volume
Replace Keypad
board
Replace speaker
module
No audio on one
side of speaker
Fail
OK
Replace connect
wire
Fail
Replace Power
Module
Fail
No audio
Check switches on the
keypad board
OK
Set the speaker
setting to off
Fail
OK
1. Secure earphone
connection.
2. Replace Earphone
cable
Replace System
board
OK
Fail
Fail
No audio through
earphone
Test
Trouble Condition Check Item Replace Material Test
Step2
：
Check OSD speaker
setting is off and not on
Step1
：
1. Check earphone
connection
2. Check earphone
cable
Step3
：
Check System board
component J30 & Q28
for a short
Step1
：
Check for loose
connection between
CN2 and peaker and
CN3 and speaker
Step2
：
Check if the Speaker
module is broken
Step3
：
Check System board
CN5-pin1 to ground =
12V
Fail
Make sure external audio
connection is secure before
proceeding with
troubleshooting
Finish