Siemens MCM-19T1, Руководство по обслуживанию

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D BOARD SCHEMATIC DIAGRAM
MCM-19T1
— 23 — — 24 — — 25 — — 26 —
D board
Schematic Diagrams
[POWER DEFLECTION]
1
2 3
4 5 6
A
B
C
D
E
F
G
H
I
7
D
B C E
Q501 0.36 5.89 GND
Q502 5.89 11.94 5.97
Q503 5.89 GND 5.97
Q505 -0.61 -26.0 GND
Q507 2.08 6.34 1.46
Q514 -0.09 11.94 0.46
Q515 4.10 92.40 3.57
Q516 0.02 92.40 GND
Q517 3.48 GND 4.10
Q518 4.49 GND 5.10
Q601 16.41 6.53 16.41
Q605 4.60 0.04 GND
Q606 0.08 16.41 GND
Q607 1.73 0.08 GND
Q640 3.16 0.00 GND
Q656 4.60 0.00 GND
Q657 0.00 7.72 GND
Q658 0.00 6.46 GND
Q670 0.00 11.94 GND
Q706 1.97 66.20 1.41
Q707 1.32 GND 1.97
Q801 0.02 5.81 GND
Q802 4.60 0.02 GND
All voltages are in V
G D S
Q504 -12.24 -3.17 -16.46
Q506 178.50 93.70 182.20
Q508 0.07 43.70 GND
Q509 0.07 41.30 GND
Q510 0.00 41.40 GND
Q511 5.02 0.00 GND
Q512 5.02 0.00 GND
Q513 0.07 40.43 GND
Q602 4.85 157.80 GND
Q901 179.10 89.20 182.20
Q902 7.98 66.50 GND
D BOARD TRANSISTOR
VOLTAGE LIST
IC401
pin volt
1 1.18
2 16.30
3 -15.99
4 -16.49
5 0.14
6 15.96
7 1.18
IC502
pin volt
1 98.14
2 95.30
3 87.00
4 97.00
5 103.20
IC601
pin volt
1 0.25
2 1.20
3 2.13
4 0.01
5 GND
6 4.86
7 17.40
8 1.88
9 6.52
30
IC603
pin volt
1 7.71
2 6.68
3 GND
4 5.93
IC604
pin volt
I 7.20
G GND
VC 5.02
O 6.35
IC605
pin volt
1 6.51
2 16.39
3 4.56
4 GND
5 N.C.
6 12.02
7 5.07
IC606
pin volt
1 5.07
2 1.15
3 GND
4 0.04
IC652
pin volt
A 2.48
G GND
K 6.70
IC701
pin volt
1 0.12
2 0.51
3 0.52
4 0.52
5 0.52
6 0.10
7 -16.51
8 GND
9 16.29
10 N.C.
11 3.03
12 GND
IC702
pin volt
1 1.59
2 1.59
3 -16.52
4 0.08
5 16.34
IC703
pin volt
1 -0.05
2 -0.05
3 -0.04
4 -0.07
5 -0.08
6 -0.72
7 -16.59
8 GND
9 16.38
10 N.C.
11 4.60
12 GND
IC704
pin volt
1 -0.29
2 -0.31
3 1.18
4 1.18
5 -16.52
6 1.18
7 1.18
8 -0.02
9 -0.02
10 16.34
IC805
pin volt
1 11.91
2 4.18
3 4.18
4 5.50
5 8.82
6 3.90
7 GND
8 0.15
9 GND
10 8.26
11 4.47
12 5.01
13 5.81
14 5.81
15 4.98
16 11.30
17 11.94
18 6.52
19 7.98
20 5.73
21 GND
22 4.16
23 4.18
24 4.18
All voltages are in V
D BOARD IC VOLTAGE LIST
D BOARD TRANSISTOR
VOLTAGE LIST
DIODE
D401 F7
D405 G6
D501 E4
D502 D5
D503 C4
D504 D6
D505 D4
D506 C6
D508 D6
D511 F4
D601 C2
D603 E2
D604 E3
D605 E2
D608 D3
D610 I2
D614 F3
D615 E1
D617 G3
D618 I2
D619 I3
D631 F2
D632 G3
D633 E2
D640 F3
D641 F3
D648 G2
D649 G2
D650 G2
D651 G2
D652 F1
D653 G1
D654 F1
D655 G1
D656 G1
D660 I5
D670 B4
D802 H4
D803 G3
D901 B4
D902 B4
D903 A4
D904 C6
D905 A6
D906 A5
D908 A6
D909 C6
IC
IC401 F6
IC502 F4
IC601 D3
IC603 F3
IC604 I1
IC605 H3
IC606 E3
IC652 F2
IC701 H7
IC702 I6
IC703 E6
IC704 I7
IC805 H5
TRANSISTOR
Q501 I3
Q502 I3
Q503 I3
Q504 E4
Q505 D5
Q506 C4
Q507 E5
Q508 G4
Q509 G5
Q510 G5
Q511 G5
Q512 G6
Q513 F6
Q514 D6
Q515 F4
Q516 F4
Q517 F4
Q518 E6
Q601 H2
Q602 E2
Q605 F3
Q606 I2
Q607 I2
Q640 F3
Q656 G3
Q657 F3
Q658 F3
Q670 A4
Q706 A7
Q707 A7
Q801 H4
Q802 H4
Q901 B4
Q902 A4
D BOARD SEMICONDUCTOR
LOCATION
D BOARD WAVEFORMS
1.1KV
p-p
(H) 128.8V
p-p
(H)
1.36V
p-p
(V)
59.38V
p-p
(V)
11.19V
p-p
(H)
10.81V
p-p
(H)
8.25V
p-p
(H)
13.06V
p-p
(H) 1.42V
p-p
(V)
11.09V
p-p
(H)
0.05 ~ 0.2V
p-p
(H)
0.05 ~ 0.7V
p-p
(V)
1 2 3
4 5 6
7 8 9
11 12 13
2. mcm D schem.p65 5/20/99, 8:16 AM 1
022-83718162
www.chinadse.org
022-83715667