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2
3
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B
C
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D
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X34(M).Sch
Titel
Size
File:
Date:
Drawn By:
Sheet
Revision
Model No:
4-Mar-2002
TASY J.S.
ALTO Mobile : X34 MAIN BOARD
1
1
of
X34
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/2PC
CD BOOST
C5
822(M)
R1
825R
C2
220P
R44
10K0
R41
15K0
R40
10K0
VR4D
B50K
R63
10K0
R64
10K0
C64
182(M)
VR4C
B50K
R59
10K0
R60
10K0
C61
182(M)
R43
3K57
VR4B
B50K
R57
10K0
R58
10K0
C60
182(M)
VR4A
B50K
R55
10K0
R56
10K0
C57
182(M)
R45
3K57
R54
10K0
R37
15K0
R34 10K0
VR5D
B50K
R61
10K0
R62
10K0
C53
153(M)
VR5C
B50K
R50
10K0
R51
10K0
C52
153(M)
R35
3K57
VR5B
B50K
R48
10K0
R49
10K0
C50
153(M)
VR5A
B50K
R46
10K0
R47
10K0
C48
153(M)
3
2
1
IC4A
2068M
R33
3K57
R38
10K0
R39
10K0
R107
10K0
R109
10K0
R108
10K0
R75
10K0
R10
150R
C36
220P
C27
182(M)
C30
100/25V
R11
100K
R104
10K0
R111
10K0
R110
10K0
R13
150R
C35
220P
C34
182(M)
C32
100/25V
R12
100K
SW6
SW-PBA/2P
2
1
3
S4
CN-BAL(MALE)
HIGH OUT 1
HIGH
SW3
SW-PBA/2P
VR2
10KB
R19
4K99
R18
27K4
R16
100K
R15
4K7
R14
7K5
R70
2K7
R17
27K
+15V
R67
1K5
D9
LED
LOW CLIP
-15V
R91
10K0
R92
10K0
R93
10K0
R73
10K0
R2
150R
C8
220P
C7
182(M)
C10
100/25V
R3
100K
R88
10K0
R95
10K0
R94
10K0
R5
150R
C15
220P
C14
182(M)
C12
100/25V
R4
100K
2
1
3
S2
CN-BAL(MALE)
LOW OUT 1
NOT USED
SW4
SW-PBA/2P
VR7
10KB
R25
4K99
R24
27K4
R22
100K
R20
4K7
R21
7K5
R71
2K7
R23
27K
+15V
R68
1K5
D6
LED
MID CLIP
-15V
R99
10K0
R100
10K0
R101
10K0
R74
10K0
R6
150R
C28
220P
C17
182(M)
C20
100/25V
R7
100K
R96
10K0
R103
10K0
R102
10K0
R9
150R
C25
220P
C24
182(M)
C22
100/25V
R8
100K
SW5
SW-PBA/2P
2
1
3
S3
CN-BAL(MALE)
MID OUT 1
NOT USED
SW2
SW-PBA/2P
VR6
10KB
R30
4K99
R31
27K4
R27
100K
R29
4K7
R28
7K5
R72
2K7
R26
27K
+15V
R69
1K5
D7
LED
HIGH CLIP
-15V
R32
10K0
5
6
7
IC4B
2068M
XOVER FREQ 800Hz + 12KHz
XOVER FREQ 100Hz + 1KHz
8
4
IC4C
2068M
C3
104P
C6
104P
C56
104P
C58
104P
C59
104P
C62
104P
MID PHASE
MID PHASE
C9
104P
C16
104P
+15V
-15V
C43
100/25V
C44
100/25V
C39
100/25V
C40
100/25V
C41
100/25V
C45
100/25V
R201
2R2 1/2W
R202
2R2 1/2W
1
2
3
CN1
3P2.5
AGND
C38
1000/25V
C37
1000/25V
LD1
LD2
LD3
SW7
SW-PBA/6PC
CH1使用
CH2使用
R65
20K0
R42
2K49
1
2
CN3
2P2.5
<4-WAY MONO>
R36 2K49
1
2
CN4
2P2.5
<4-WAY MONO2>
R78
R77
R76
CHS1
CHS2
3
2
1
IC2A
MC33079
5
6
7
IC2B
MC33079
10
9
8
IC2C
MC33079
12
13
14
IC2D
MC33079
3
2
1
IC1A
MC33079
5
6
7
IC1B
MC33079
10
9
8
IC1C
MC33079
12
13
14
IC1D
MC33079
3
2
1
IC3A
MC33079
5
6
7
IC3B
MC33079
10
9
8
IC3C
MC33079
12
13
14
IC3D
MC33079
3
2
1
IC5A
MC33079
5
6
7
IC5B
MC33079
10
9
8
IC5C
MC33079
12
13
14
IC5D
MC33079
3
2
1
IC6A
MC33079
5
6
7
IC6B
MC33079
10
9
8
IC6C
MC33079
12
13
14
IC6D
MC33079
3
2
1
IC7A
MC33079
5
6
7
IC7B
MC33079
10
9
8
IC7C
MC33079
12
13
14
IC7D
MC33079
4
11
IC7E
MC33079
4
11
IC6E
MC33079
4
11
IC5E
MC33079
4
11
IC1E
MC33079
4
11
IC2E
MC33079
4
11
IC3E
MC33079
R89
2K67
3. Schematic Diagram
