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P
SWITCH UNIT (X16-388x-xx)
1
2
3
KEY SCAN
START SW
Q1
49
TP16
50
KI1
TP17
51
KI2
TP18
52
4
KI3
TP19
53
KI4
TP20
54
KI5
0V
55
5.0V
56
C3 0.047
57
C4 0.047
58
0V
59
60
R3
61
4.7K
61
62
62
63
63
64
64
5V
0V
5
∗
D37
6
2
4
6
J1
1
3
5
7
X34-
J3
CAUTION : For continued safety, replace safety critical components only with manufacturer's
recommended parts (refer to parts list).
Indicates safety critical components. To reduce the risk of electric shock, leakage-current or
7
resistance measurements shall be carried out (exposed parts are acceptably insulated from the
supply circuit) before the appliance is returned to the customer.
• DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due
to variations between individual instruments or/and units.
Q
5V
0V
KS6
5V
KI1
0V
KI2
KI3
5V
KI4
0V
KI5
TEST
VDD
3.3V
IC1
VDD1
1.6V
LCD DRIVER
VDD2
VSS
5V
0V
OSC
5V
DO
0V
DE
5V
CL
0V
DI
BACK
LIGHT
D36
TP39
8
10
12
14
16
18
20
9
11
13
15
17
19
(X16-388x-xx)
RDT-121
KDC-135
KDC-135CR
KDC-136
A
1/2
R
TP33
KS5
B.BOOST
32
S8
S32
S32
31
S31
S31
30
S30
S30
TP32
29
S29
S29
S17
28
KS4
S28
S28
27
AUTO
S27
S27
26
S26
S26
S13
25
TP31
S25
S25
24
S24
S24
KS3
23
S23
S23
TP30
22
S22
S22
KS2
21
S21
S21
REMOTE CONTROL
20
S20
S20
SENSOR
19
S19
S19
∗
18
IC2
S18
S18
A
17
S17
S17
5V
0V
0V
R30
100K
C5
2.2
MODEL
DESTI-
UNIT
A
B
D4-21
D37
NAME
NATION
No.
J
0-01
B30-1575-05
0-10
B30-1566-05
K4
YES
K5
0-11
YES
YES
B30-1565-05 YES
0-21
B30-1565-05
M7
GND LINE
B LINE
S
KDC-135/135CR/136
SRC
EJECT
S4
S6
S5
S7
ATT
1
2
3
S9
S10
S11
S12
S18
6
5
4
S14
S15
S16
S1
FM 1
6 PAUSE
2
5
AM 3
4 COM
S2
AUDIO
3
VOL
VOL
4
CP1
2.2K
∗
B
TP40
TP41
J2
1
L
2
R
3
G
AUX IN
IC1
:
LC75853NE-E
IC2
:
PNA4S22M02KW
R11
Q1
:
RT1P141U
D2
:
B30-1698-05
YES
D3
:
B30-1566-05
∗
D4-21
:
D31-37
:
UDZS5.6B
ED1
:
B30-1183-05
KDC-135/135CR/136 (2/2)
X16-388x-xx (1/1)
T
27
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