Kenwood KAC-PS4D/X4R Service Manual page 21

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AJ
(X08-4350-10) (A/2)
CN1
AMP-AR
1
AR
R-MAIN-GND
2
AMP-BR
3
BR
L-INP-GND
4
AMP-BL
5
BL
R-INP-GND
6
AMP-AL
7
AL
PASS-R-GND
8
ISO-AL
9
X09-
+15V
10
+15V
CN1
ISO-AR
11
L-MAIN-GND
12
1/2
ISO-BR
13
PASS-L-GND
14
A
ISO-BL
15
-15V
16
15V
LOGO-LED
17
FIL+
18
FAN+B
19
VFD CE 20
78
B14V
21
VFD DATA M
22
80
RTRY CCW
23
VFD DATA S
24
77
RTRY CW
25
VFD INH
26
76
VFL
27
VFL
SW5V
28
SW5V
VFD CLK
29
79
GND
30
CN2
B14V
1
LOGO-LED
2
NC
3
CN3
FAN
GND
1
FAN+B
2
(X08- ) (B/2)
WH1
B14V 1
LOGO LED 2
NC
3
POWER
IND.
ANODE CONNECTION
PIN
1G
2G
3G
NAME
P1
Dp2
Dp2
P2
Dp1
Dp1
P3
2d
2d
P4
1d
1d
1d
P5
2c
2c
P6
1c
1c
1c
P7
2n
2n
P8
1n
1n
1n
P9
2r
2r
P10
1r
1r
1r
P11
2p
2p
P12
1p
1p
1p
P13
2e
2e
P14
1e
1e
1e
P15
2m
2m
P16
1m
1m
1m
P17
2g
2g
P18
1g
1g
1g
P19
2b
2b
(Hz)
P20
1b
1b
1b
P21
2k
2k
P22
1k
1k
1k
P23
2h
2h
(dB)
P24
1h
1h
1h
P25
2j
2j
P26
1j
1j
1j
P27
2f
2f
P28
1f
1f
1f
P29
2a
2a
(OVER)
P30
1a
1a
1a
CAUTION : For continued safety, re place safe ty critical com po nents only with manufacturer's rec om mend ed parts (refer to parts list).
Indicates safety critical com po nents. To reduce the risk of electric shock, leakage-cur rent or re sis tance mea sure ments shall be carried
out (ex posed parts are ac cept ably in su lat ed from the supply cir cuit) be fore the ap pli ance is returned to the customer.
• DC voltages are as measured with a high impedance volt me ter. Val ues may vary slight ly due to vari a tions between in di vid u al in stru -
ments or/and units.
AK
R33
+15V-1
1
Ach SENSITIVITY
5-0.2V
VR1
Bch SENSITIVITY 5-0.2V
VR2
R202
0
R34
1
15V-1
KI4
KI3
KI5
S101
A
B
PRE
SET
ROTARY ENCODER
S100
C102 0.01
R102 10K
R109 100
R110 100
KI3
R107 10K
R111 100
KI4
R113 10K
R112 100
KI5
R116 10K
R106
15K
R103
470
76
R104 470
77
R105 470
78
R100 470
79
R101
80
470
VFL
ED1
1G
2G
1a
2a
1a
Dp1
Dp2
Dp1
4
AL
BUFF
IC1 (2/2)
C9
R5
C11
10u35 100
10u35
5
8
7
+
C5
6
10P
R17 2.7K
AL
AR
C13
100P
C14
100P
R18 2.7K
BL
BR
C6
10P
2
C10
R6
C12
1
10u35
100
3
10u35
+
4
IC1 (1/2)
S102
S103
INFO
AB
A
A : ST
61
KS5
62
KS6
63
KI1
64
KI2
KEY SCAN
65
KI3
66
KI4
67
KI5
68
P1
69
P2
GENERAL PORT
70
IC100
P3
OUTPUT
71
P4
FL DRIVER
72
/KEY MATRIX
VSS
73
OSCO
CLOCK
74
GENERATOR
OSCI
75
VDD
76
BLK
77
DO
78
CE
CCB
79
INTERFACE
CL
80
DI
3G
2a
1a
Dp2
IC1,2
: BA4560F
IC100
: LC75756E
D100
: B30-1743-05
D101-105 : 1SS355
AM
AN
KAC-PS4D/X4R
BUFF
+15V-1
IC2 (2/2)
R7
100
5
8
7
+
C7
6
10P
R19 2.7K
C15
100P
C16
100P
R20 2.7K
C8
10P
2
R8
1
100
3
+
4
IC2 (1/2)
15V-1
S104
S105
MONO
B : ST
MONO
40
S17
39
S18
38
S19
37
S20
36
S21
35
S22
34
S23
P1
33
S24
P2
32
S25
P3
31
S26
P4
30
S27
P5
29
S28
P6
28
P7
S29
27
P8
S30
26
P9
S31
25
P10
S32
24
P11
S33
23
P12
S34
22
S35
P13
21
S36
P14
a
j
f
k
b
h
g
m
r
e
n
p
c
d
(1G-3G)
KAC-PS4D/X4R (2/2)
SIGNAL LINE
GND LINE
B LINE
B LINE
X08-4350-10 (1/1)
1
2
3
4
5
6
7
21

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