Sony KDL-32R324D / KDL-40R354D / KLV-32R326D / KLV-40R356D Service Manual ▷ View online
BA2_P Board
R8612
CL900
0
0
25
3-4. Audio
3-4-1. General
3-4-1. General
26
Audio Problem
Main Speaker
No Sound?
Headphone (HP) Out
No Sound?
Video/Component
No Sound?
Analog RF
No Sound?
HDMI Audio
No Sound?
USB Audio
No Sound?
Refer
“Main Speaker No Sound”
Refer
“HP Out No Sound”
Refer
“Analog Audio Input No Sound”
Refer
“Analog RF No Sound”
Refer
“HDMI Audio No Sound”
Refer
“USB Audio No Sound”
Troubleshooting
Audio IC Normal Operation Condition - B*2-Board
Label
Name
Normal Operation (Approx.)
Comment if abnormal operation
Voltage
Frequency
V1
19.5
19.5V
-
Check connection path between J6000 to F4000
V2
3.3
3.3V
-
Check connection path between IC6006 to IC4001; IC6006 problem
1
MCLK
3.3Vpp
12.288MHz
Check connection path between IC5000 to IC4001; IC5000 problem
2
SDATA
3.3Vpp
Clock signal
Check connection path between IC5000 to IC4001; IC5000 problem
3
BCLK
3.3Vpp
3.07MHz
Check connection path between IC5000 to IC4001; IC5000 problem
4
LRCK
3.3Vpp
48kHz
Check connection path between IC5000 to IC4001; IC5000 problem
5
PLIMIT
1.6V
-
Check connection path between IC6006 to IC4001; IC4001 or IC6006 problem
6
RSTX
3.3V
-
Check connection path between IC5000 to IC4001; IC5000 problem
7
MUTEX
3.3V
-
Check connection path between IC5000 to IC4001; IC5000 problem
8
OUT1P
9.6Vpp
768kHz
Check connection path between IC4001 pin8 to CN4001 pin1; IC4001 problem
9
BSP1P
14V
-
IC4001 problem
10
VCCP1
19.5V
-
Check connection path between J6000 to IC4001
11
GNDP1
0V
-
-
12
BSP1N
14V
-
IC4001 problem
13
OUT1N
9.6Vpp
768kHz
Check connection path between IC4001 pin13 to CN4001 pin2; IC4001 problem
14
VCCA
19.5V
-
Check connection path between J6000 to IC4001
15
GNDA
0V
-
-
16
REGD
5.0V
-
Check connection path between C4066 to IC4001; IC4001 or C4066 problem
17
REGG
5.7V
-
Check connection path between C4067 to IC4001; IC4001 or C4067 problem
18
BSP2P
14V
-
IC4001 problem
19
OUT2P
9.6Vpp
768kHz
Check connection path between IC4001 pin19 to CN4001 pin3; IC4001 problem
20
VCCP2
19.5V
-
Check connection path between J6000 to IC4001
21
GNDP2
0V
-
-
22
BSP2N
14V
-
IC4001 problem
23
OUT2N
9.6Vpp
768kHz
Check connection path between IC4001 pin23 to CN4001 pin4; IC4001 problem
24
ERROR
3.3V
-
IC4001 problem
27
24
4
2
3
1
V2
7
8
10
13
14
17
16
18
12
9
22
19
V1
20
23
5
6
Normal Operation Condition – BA2 board Layout
21
11
15
IC4001
28
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