83
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
IC701-5
5
(IC702)
reg-5.3V
5.3V
TP714
6
(IC703)
reg-3.3V
3.3V
IC703-2
7
Flash-ROM
VDD : 3.3V
3.3V
37
8
(IC302)
CS
Active-Low
26
9
XRD
read-CK
28
10
DSP
VDD : 1.5V
1.5V
32, 53,128, 213, 173, 188
11
(IC301)
VCC(D) : 3.3V
3.3V
3, 10, 18, 23, 31, 39, 50, 62, 78, 91, 159, 176, 191, 222,
244, 256
12
VCC(A) : 3.3V
3.3V
98, 99, 111, 122, 129, 138, 153
13
Clock-34MHz
33.8688MHz
254, 255
14
MRSTB
(3.3V)High
5
15
AFE
VCC : 5.3V
5.3V
17, 75
16
(IC101)
VDD : 3.3V
3.3V
12, 27, 57, 70, 79, 89
17
OP-amp
VCC : 5.3V
5.3V
8
(IC201)
18
7ch-DRV
5VCC : 5V
5V
32
19
(IC601)
VM3 : 5V
5V
26
20
VM1, 2 : 12V
12V
5, 22
21
REF : 1.65V
1.65V
42
22
Pick-up
VCC(FM) : 5.3V
5.3V
30
23
VCC(OEIC) : 5.3V
5.3V
44
24
VC(OEIC) : 2.1V
2.1V
43
25
VREF : 2.5V
2.5V
28
26
VSL25 : 2.8V
2.8V
11
27
VSA5 : 5.3V
5.3V
12
28
VSO : 5.3V
5.3V
13
* When there are twe or more power supply pins of LSI, it checks by one ramdom pin first.
PCB Poor Analysis - Check list