Kenwood KCA-S220A - Car Audio Switcher, Руководство по обслуживанию

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KCA-S220A
3
E D C B A
1
2
3
4
5
6
7
PC BOARD (FOIL SIDE VIEW)
D36
CN2
CN4
SH1
L R AUX
TO UNIT 2 TO UNIT 1 TO HEAD UNIT
AUX IN
CN1 CN3
D29
D31
D30
D12
D13
D11
D5
D24
D23
D32
D22
D4 D5
D3
D1
D2
D10
Q12
D34
D19
D15
D37
D35
D9
D8
D7
D18
D17
D33
D27
D28
D16
D38
Q6
Q2
Q3
Q14
Q13
Q4
Q15
Q5
Q9
D26
D25
Q1
Q10
IC6
IC2
Q7
D21
D20
Q11
Q8
IC3
IC4
IC1
J1
J12
J8
J46
J50
J43
X1
J44
J2
J6
REQH
RST
DATAH
CLK DATAC
MUTE
CHCON
Rch
Lch
AGND2
Rch
AGND1
Lch
RESET
SW1
SW2
BU+14V
5V
GND
CHCON
Rch
Lch
REQC
REQH
MUTE
CHCON
DATAH
CLK
DATAC
REQC
RST
MUTE
REQH
Lch
Rch
A.GND
AUX.SW
REQC
J7
J10 J11
J14
J15
J17
J19
J23
J24 J25
J26
J27 J28 J29 J30
J31
J52
J21
J48
J42
J32
J38
J37
J41
J3
J54
C4 C3
C1
C2
C7
C5
C6
C8
C18
C19
C17
C21
C16
R91 R90 R88 R87
R37
J53
J13
J51
J9
J16
J18 J20
J22
J47
J45
ON OFF
J39
J40
J36
J55
J33
J4 J5
R72
R83
R78
R77
R38
R31
R85
R5
1 4
5 8
9 12
13
1 4
5 8
9 12
13
1 4
5 8
9 12
13
R9
R6
R4
R95
R33
C9
R52
C13
C15
C14
C10
R48
R49
R50
R40
R39
R43
R44
R45
C11
R58
R54
R60
R59
R84
R74
R71
R70 R25
R29
R69
R89
R86
R68
R94
R93
R73
R47
C20
R12 R18 R20 R17
R42
R57
R46
R53
R32
R80
R79
R2
R61 R62 R63 R64
R1
R3
R7
R10
R8
R92
C12
IO
G
GO
I
R55
R36 R35 R34
R16
R67
R23
R22
R30
R28
R27
R21
R26
R19
R24
R14
R11
R13
R15
R76
R75
R81
R82
JC10
JC1
JC9
JC7
JC8
JC5 JC4
JC6
JC2
JC3
8
7 1
14
8
7 1
14
41
20
21
40
80
61
1
60
BE
B E
BE
BE
E B
E B
EB
EB
EB
EB
E B
E B
B E
B E
B E
ELECTRIC UNIT
Refer to the schematic diagram for the values of resistors and capacitors.
ELECTRIC UNIT
Ref. No. Address
IC1 2D
IC2 2D
IC3 2A
IC4 2B
IC6 2E
Q1 2E
Q2 2C
Q3 2C
Q4 2D
Q5 2D
Ref. No. Address
Q6 2A
Q7 2E
Q8 2B
Q9 3D
Q10 2E
Q11 3A
Q12 3A
Q13 2B
Q14 2B
Q15 3D