Sony KDL-48W6*D, Руководство по обслуживанию, Страница: 107 / 153

3-4-1. Audio D.Amp IC (IC4001) Normal Operation Condition - BB* board (1)
107
Label Name
Normal Operation (Approx.)
Comment if abnormal operation
Voltage Frequency
V1 19.5 19.5V - Check connection path between Drain of Q6020 to F4000
V2 3.3 3.3V - Check connection path between IC6009 to IC4001
1 MCLK 3.3Vpp 12.288MHz Check connection path between IC5000 to IC4001
2 SDATA 3.3Vpp Clock signal Check connection path between IC5000 to IC4001
3 BCLK 3.3Vpp 3.07MHz Check connection path between IC5000 to IC4001
4 LRCK 3.3Vpp 48kHz Check connection path between IC5000 to IC4001
5 PLIMT 1.3V - Check connection path between IC6009 to IC4001
6 RSTX 3.3V - Check connection path between IC5000 to IC4001
7 MUTEX 3.3V - Check connection path between IC5000 to IC4001
8 OUT1P 9.6Vrms 768kHz Check connection path between IC4001 pin8 to CN4001 pin1
9 BSP1P 14Vrms - Check connection between IC4001 pin 8 and pin 9
10 VCCP1 19.5V - Check connection path between Q6020 to IC4001
11 GNDP1 0V - -
12 BSP1N 14Vrms - Check connection between IC4001 pin 12 and pin 11
13 OUT1N 9.6Vrms 768kHz Check connection path between IC4001 pin13 to CN4001 pin2
14 VCCA 19.5V - Check connection path between Q6020 to IC4001
15 GNDA 0V - -
16 REGD 5.0V - Check connection path between C4066 to GND
17 REGG 5.7V - Check connection path between C4067 to GND
18 BSP2P 14Vrms - Check connection between IC4001 pin 18 and pin 19
19 OUT2P 9.6Vrms 768kHz Check connection path between IC4001 pin19 to CN4001 pin3
20 VCCP2 19.5V - Check connection path between Q6020 to IC4001
21 GNDP2 0V - -
22 BSP2N 14Vrms - Check connection between IC4001 pin 23 and pin 22
23 OUT2N 9.6Vrms 768kHz Check connection path between IC4001 pin23 to CN4001 pin4
24 ERROR 3.3V - Check connection path between IC5000 to IC4001
3-4. No Sound