LG GSA-4167B - Manual (Page 82)

87
No Circuit/IC Signal Signal/Level mesurement-point (IC-pin or Device)
1 Power supply Line-12V 12V CN801-41
2 Line-5V 5V CN801-44
3 (IC701) reg-1.5V 1.5V IC701-2
4 reg-2.8V 2.8V IC703-5
5 (IC703) reg-3.3V 3.3V IC703-2
6 Flash-ROM VDD : 3.3V 3.3V 37
7 (IC302) CS Active-Low 26
8 XRD read-CK 28
9 DSP VDD : 1.5V 1.5V 41, 28, 72, 130, 146, 159, 189, 193, 197
10 (IC301) VCC(D) : 3.3V 3.3V 7, 32, 52, 58, 75, 88, 133, 148, 200, 199, 2, 53, 185,
139, 108, 8, 26
11 VCC(A) : 3.3V 3.3V 186, 166, 99
12 Clock-34MHz 33.8688MHz 106, 107
13 MRSTB (3.3V)High 202
14 AFE VCC : 5.0V 5.0V 8, 78
15 (IC101) VDD : 3.3V 3.3V 22, 11, 91, 59, 69, 82
16 OP-amp VCC : 5.0V 5.0V 8
(IC102)
17 7ch-DRV 5VCC : 5V 5V 32
18 (IC601) VM3 : 5V 5V 26
19 VM1, 2 : 12V 12V 5, 22
20 REF : 1.65V 1.65V 42
21 Pick-up VCC(FM) : 5.0V 5.0V 11
22 VCC(OEIC) : 5.0V 5.0V 44
23 VC(OEIC) : 2.1V 2.1V 43
24 VREF : 2.5V 2.5V 9
25 VSL25 : 2.8V 2.8V 16
26 VSA5 : 5.0V 5.0V 15
27 VSO : 5.0V 5.0V 29
* When there are twe or more power supply pins of LSI, it checks by one ramdom pin first.
PCB Poor Analysis - Check list