Circuit Voltage Chart - LG BD630N Service Manual

CIRCUIT VOLTAGE CHART

1. ICs
Pin No. Desc. Voltage
IC201 AOZ1073
2 Vin 11.29
8 Vout 1.034
IC202 AOZ1072
2 Vin 11.312
8 Vout 1.428
IC203 LM1108SF-3.3
1 Vout 3.312
2 Vin 5.143
IC204 AZ1117BH
2 Vot 1.192
3 Vin 3.278
IC207 LM37102D
2 Vin 4.258
3 Vout 3.297
IC502 KIA7029AT (Top Side)
1 Vin 3.313
3 Vot 3
IC603 NAND (TOSHIBA) (Top Side)
12 VCC 3.277
37 VCC 3.277
IC701 LM1117 (Top Side)
2 Vout 9.159
3 Vin 11.33
IC702 R2A30209SP (Top Side)
5 VM2 11.308
22 VM1 11.315
26 VM3 11.308
32 VCC 5.08
IC703 LB1848M
1 VCC 5.086
IC801 MC4580 OP-AMP
Play Mode
3 IN1(+) 2.71
5 IN2(-) 2.71
8 VCC+ 10.21
No Play Mode
3 IN1(+) 2.72
5 IN2(-) 2.72
8 VCC+ 10.22
2. TRs
Pin No. Desc. Voltage
Q271
- Emiter 11.31
- Base 0.017
- Collector 11.275
Q272
- Emiter 0
- Base 3.186
- Collector 0.017
Q801 KTC3875S
Play Mode
- Emiter 0
- Base 0
- Collector 0
No Play Mode
- Emiter 0
- Base 0.724
- Collector 0.004
Q802 KTC3875S
Play Mode
- Emiter 0
- Base 0
- Collector 0
No Play Mode
- Emiter 0
- Base 0.727
- Collector 0.004
Q803 SBT2907A
Play Mode
- Emiter 3.314
- Base 3.271
- Collector 0
No Play Mode
- Emiter 3.313
- Base 2.666
- Collector 3.268
Q804 KTC3875S
Play Mode
- Emiter 0
- Base 0.034
- Collector 3.274
No Play Mode
- Emiter 0
- Base 0.718
- Collector 0
3-81
MEMO
3-82