Alto X40, Руководство по обслуживанию

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X40-1(M).Sch
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Revision Model No:
27-Jan-2002
TASY J.S.
ALTO Mobile : X40 MAIN BOARD
2 1 of
X40
V1.0
A3
D1
4148
D2
4148
D3
4148
D4
4148
C4
220P
C1
104P/250VAC
-15V
+15V
2
1
3
S1
CN-BAL(FEMALE)
VR1
10KB
C42
100/25V
R83
10K0
R80
10K0
R81
10K0
R82
10K0
R85
10K0
R84
10K0
R86
10K0
R87
10K0
SW1
SW-PBA/2P
CD BOOST
C5
822(M)
R1
825R
C2
220P
R91
10K0
R88
15K0
R90
10K0
VR8D
B50K
R93
15K
R92
10K0
C71
182(M)
VR8C
B50K
R96
15K
R95
10K0
C72
182(M)
R94
3K57
VR8B
B50K
R98
15K
R97
10K0
C73
182(M)
VR8A
B50K
R100
15K
R99
10K0
C74
182(M)
R124
3K57
R101
10K0
R111
10K0
R112
10K0
R110
10K0
R113
10K0
R118
150R
C75
220P
C76
182(M)
C81
100/25V
R119
100K
R116
10K0
R115
10K0
R114
10K0
R117
150R
C80
220P
C82
182(M)
C79
100/25V
R122
100K
SW7
SW-PBA/2P
2
1
3
S5
CN-BAL(MALE)
HIGH OUT 1
HIGH
SW8
SW-PBA/2P
VR3
10KB
R102
4K99
R103
27K4
R108
100K
R105
4K7 R107
7K5
R104
2K7
R106
27K
+15V
R109
1K5
D8
LED
HIGH CLIP
-15V
XOVER FREQ 900Hz + 9KHz
LD4
R65
20K0
R89
2K49
R123
P1
3
2
1
IC1A
MC33079
5
6
7
IC1B
MC33079
10
9
8
IC1C
MC33079
12
13
14
IC1D
MC33079
3
2
1
IC2A
MC33079
5
6
7
IC2B
MC33079
10
9
8
IC2C
MC33079
12
13
14
IC2D
MC33079
3
2
1
IC3A
MC33079
5
6
7
IC3B
MC33079
10
9
8
IC3C
MC33079
12
13
14
IC3D
MC33079
R120
2K49
3. Schematic Diagram