Sharp 902SH Service Manual page 70

3g(umts)/gsm/gprs
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MAIN PWB-A
IC501
PIN NO. VOLTAGE
A
1
Not Connected
2
0.00V
3
Approx.1.35V
4
2.79V
IC630
PIN NO. VOLTAGE
1
2.55V
B
2
2.55V
3
0.00V
4
3.84V
5
3.84V
6
0.00V
7*
3.70V
8
1.16V
9
0.00V
10
0.00V
C
11
0.00V
12
0.00V
13
0.00V
14
0.00V
15
3.70V
16
3.70V
17
0.00V
18
3.70V
19
3.70V
D
20
0.00V
21
0.00V
22
0.00V
23
0.00V
* Measure condition
Tx Power Power Voltage
21.8dbm
3.84V
E
F
G
DISPLAY PWB-B
IC3001
PIN NO. VOLTAGE
1
1.85V
2
0.00V
3
4.20V
4
2.89V
5
0.00V
H
6
2.77V
NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
1
CONFIDENTIAL
IC620
IC800
PIN NO. VOLTAGE
PIN NO. VOLTAGE
1
3.84V
1
2
2
2.15V
3
3
1.23V
4
4
0.78V
5
0.00V
5
6
0.00V
6
7
3.80V
7
8
3.84V
9
2.79V
10
0.00V
IC1001
PIN NO. VOLTAGE
PIN NO. VOLTAGE
1
0.00V
27
1.80V
2
0.00V
28
3
0.00V
29
0 1.80V
4
0.00V
30
5
0.00V
31
6
0.00V
32
7
0.00V
33
0.00V
8
34
0.00V
0.00V
9
35
0.00V
0.00V
10
36
0.00V
0.00V
11
0.00V
37
1.80V
12
0.00V
38
2.77V
13
0.00V
39
2.90V
14
0.00V
40
1.80V
15
41
2.77V
16
0.00V
42
0.00V
17
0.00V
43
2.77V
18
44
0.00V
19
45
0.30V
2.77V
20
46
0.00V
1.80V
21
0.00V
47
22
48
23
49
24
50
0.00V
25
0 1.50V
51
0.00V
26
1.80V
52
0.00V
IC1002
IC1201
PIN NO. VOLTAGE
PIN NO. VOLTAGE
1
2.75V
1
2
0.00V
2
3
4.20V
3
4
4
2.89V
5
0.00V
6
38.71mV
IC3002
IC3004
PIN NO. VOLTAGE
PIN NO. VOLTAGE
1
1.81V
1
1.81V
2
2
0.00V
0.00V
3
3
4.15V
4.16V
4
4
1.85V
2.50V
5
0.00V
5
0.00V
6
2.77V
6
2.77V
2
3
Figure 7 SCHEMATIC DIAGRAM (7/9)
IC1204
PIN NO. VOLTAGE
2.80V
1
1.50V
2
1.66V
1.80V
3
2.80V
0.00V
4
0.00V
326.32mV
1.14V
IC1205
Approx.2.78V
PIN NO. VOLTAGE
0.00V
1
1.50V
2
2.75V
3
0.00V
4
184.11mV
IC1206
PIN NO. VOLTAGE
1
4.20V
2
0.00V
3
1.80V
4
132 178mV
5
0.00V
6
4.20V
IC1303
PIN NO. VOLTAGE
1
16.41mV
2
761.12mV
3
88.53mV
4
469.23mV
5
0.00V
6
0.00V
IC1601
PIN NO. VOLTAGE
1
0.00V
2
0.00V
3
4.20V
4
33.20mV
5
0.00V
IC1602
PIN NO. VOLTAGE
1
4.20V
2
0.00V
3
113.25mV
4
0.00V
5
99.11mV
0.00V
6
18.23mV
0.00V
0.00V
IC1701
18.31mV
PIN NO. VOLTAGE
1
0.00V
2
0.00V
3
0.00V
4
398.22mV
5
0.00V
6
209.31mV
IC3006
PIN NO. VOLTAGE
1
3.92V
2
1.97V
3
0.00V
4
1.96V
5
3.92V
4
5 – 18
IC1504
PIN NO. VOLTAGE
PIN NO. VOLTAGE
1
0.00V
15
1.81V
2
16
4.20V
2.93V
3
17
0.00V
2.89V
4
18
2.50V
2.53V
5
4.20V
19
2.77V
6
2.93V
20
2.77V
7
2.89V
21
0.00V
8
2.52V
22
1.78V
9
4.20V
23
4.20V
10
2.93V
24
4.16V
11
0.00V
25
0.00V
12
26
1.50V
670mV
13
27
1.73V
1.04V
14
28
1.58V
1.04V
IC1603
PIN NO. VOLTAGE
PIN NO. VOLTAGE
1
424.12mV
17
4.20V
2
457.21mV
18
407.21mV
3
423.21mV
19
621.31mV
4
467.22mV
20
753.11mV
5
340.23mV
21
0.00V
6
0.00V
22
403.21mV
7
265.12mV
23
230.32mV
8
24
4.20V
495.33mV
9
25
0.00V
131.29mV
10
26
229.12mV
0.00V
11
0.00V
27
0.00V
12
223.32mV
28
0.00V
13
321.15mV
29
2.93V
14
0.00V
30
440.23mV
15
176.31mV
31
0.00V
16
0.00V
32
0.00V
IC1700
PIN NO. VOLTAGE
PIN NO. VOLTAGE
1
0.00V
15
0.00V
2
2.93V
16
0.00V
3
0.00V
17
1.02V
4
0.00V
18
0.00V
5
0.00V
19
0.00V
6
0.00V
20
0.00V
7
21
0.00V
0.00V
8
22
105.21mV
0.00V
9
23
0.00V
0.00V
10
24
2.93V
2.93V
11
0.00V
25
320.61mV
12
0.00V
26
161.23mV
13
2.93V
27
243.21mV
14
0.00V
28
325.31mV
SD PWB-C
IC2001
IC2004
PIN NO. VOLTAGE
PIN NO. VOLTAGE
1
1
4.20V
4.20V
2
0.00V
2
0.00V
3
0.00V
3
0.00V
4
0.00V
4
0.00V
5
0.00V
5
0.00V
6
0.00V
5
902SH
6

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