No Sound - Sony KDL-32W600D Service Manual

3-4. No Sound

3-4-1. Audio D.Amp IC (IC4001) Normal Operation Condition - BBA board (1)
Normal Operation (Approx.)
Label Name
Voltage
V1 19.5 19.5V
V2 3.3
1 MCLK 3.3Vpp
2 SDATA 3.3Vpp
3 BCLK 3.3Vpp
4 LRCK 3.3Vpp
5 PLIMT
6 RSTX
7 MUTEX
8 OUT1P 9.6Vrms
9 BSP1P 14Vrms
10 VCCP1 19.5V
11 GNDP1
12 BSP1N 14Vrms
13 OUT1N 9.6Vrms
14 VCCA 19.5V
15 GNDA
16 REGD
17 REGG
18 BSP2P 14Vrms
19 OUT2P 9.6Vrms
20 VCCP2 19.5V
21 GNDP2
22 BSP2N 14Vrms
23 OUT2N 9.6Vrms
24 ERROR
Frequency
-
3.3V -
12.288MHz
Clock signal
3.07MHz
48kHz
1.3V -
3.3V -
3.3V -
768kHz
-
-
0V -
-
768kHz
-
0V -
5.0V -
5.7V -
-
768kHz
-
0V -
-
768kHz
3.3V -
Comment if abnormal operation
Check connection path between Drain of Q6020 to F4000
Check connection path between IC6009 to IC4001
Check connection path between IC5000 to IC4001
Check connection path between IC5000 to IC4001
Check connection path between IC5000 to IC4001
Check connection path between IC5000 to IC4001
Check connection path between IC6009 to IC4001
Check connection path between IC5000 to IC4001
Check connection path between IC5000 to IC4001
Check connection path between IC4001 pin8 to CN4001 pin1
Check connection between IC4001 pin 8 and pin 9
Check connection path between Q6020 to IC4001
-
Check connection between IC4001 pin 12 and pin 11
Check connection path between IC4001 pin13 to CN4001 pin2
Check connection path between Q6020 to IC4001
-
Check connection path between C4066 to GND
Check connection path between C4067 to GND
Check connection between IC4001 pin 18 and pin 19
Check connection path between IC4001 pin19 to CN4001 pin3
Check connection path between Q6020 to IC4001
-
Check connection between IC4001 pin 23 and pin 22
Check connection path between IC4001 pin23 to CN4001 pin4
Check connection path between IC5000 to IC4001
84
SYS SET