Kenwood KRC-597 Service Manual page 19

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P
1
SWITCH UNIT (X16-2502-70)
2
J1
ESD-GND
1
3
FLIP DET
2
RESET
3
VOL A
4
D-GND+
5
ILL GND
VOL B
6
to
NC
7
X89
ILL+B
8
J1
NC
9
1/2
4
DI
10
A
REMO
11
CL
12
PANEL 5V
13
5
CE
14
FRIP DET
15
GND
DO
16
6
IC1
IC2
7
Q
D11
D8
D5
D12
D9
D6
D13
D10
D7
TP1
TP13
S31
TP3
TP2
RESET
4
TP5
TP4
6
TP6
TP8
TP11
R11 1K
CP2
IC2
470
TP10
0V
1
64
GND 1
2
63
GND 2
3
62
GND 3
61
REMOTE
CONTROL IC
TP16
TP12
TP14
6
4
: NJU6535
Q1
: DTA114EE
: PNA4S22M
Q2,3
:
2SC4617
Q4
:
DTC144EE
R
D3
D4
R14
R12
Q3
Q2
2.2K
2.2K
2
Q2,3
KEY
ILLUMINATION
SW
Q4
5V
5
0V
VO
R10
4
5.0V
VCC
100
Q1
10K
10K
REMO.
CONTROL SW
S1
CP1
10K
VOL
UP/DOWN
D1
:
B30-1564-05
D2
:
B30-1566-05
D3-13
:
B30-1605-05
D31,32
:
B30-1571-05
S
T
KRC-597/597Y
TP18
KI0
TP19
5
TP20
KI1
TP21
4
TP22
KI2
TP23
6
TP24
KI3
TP25
DISP
TP26
KI4
TP27
AUTO/
TI
CP4
1K
CP3
1K
49
KS5
50
KI0
51
KI1
52
KI2
53
KI3
R16
1K
54
KI4
5.0V
R8
55
VDD
56
4.7
TP35
V0
57
V1
58
V2
0V
59
VSS
60
R7 1K
OSC
61
61
SO
5V
62
0V
62
CE
63
63
SCL
64
64
SI
GND LINE
B LINE
X16-2502-70 (1/3)
2
3
AM
FM
SRC
IC
LCD DR
19

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