Checking order when there is no audio
①
Check the contact condition of cable or connector
②
Measure the 13.2V input voltage supplied from Power Board
(If there is no input voltage, remove and check the connector)
③
Check the sound
Standard Repair Process Detail Technical Manual
Voltage and speaker checking method
when there is no audio
C. Audio error_No audio/Normal video
A21
Established
date
Revised
date
Error
symptom
Content
A21
①
②
③
<UH63/65/75>
1
SPK_R-
2
SPK_R+
3
SPK_L
4
SPK_L+
Main B/D Side
Pin map
reversed
1
GND
2
GND
3
PWR-On
4
P-DIM2
5
GND
6
13.2V
7
13.2V
8
13.2V
9
13.2V
10
13.2V
11
GND
12
GND
13
P-DIM1
14
DRV-On
15
SCLK
16
GND
17
SIN
18
VSINC
18Pin map (LPB)
1
PWR-On
2
P-DIM2
3
GND
4
13.2V
5
13.2V
6
13.2V
7
13.2V
8
13.2V
9
GND
10
GND
11
MS
12
P-DIM1
12Pin map (LPB)
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Summary of Contents for 43UH6500
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