KDC-8024
27
AJ
AK
AL
AM
AN
1
2
3
4
5
6
7
47K
10K
9.4V
5.0V
SWITCH UNIT (X16-2170-10)
KDC-8024 (3/3)
B
S5
S10
S15
S3
S8
S2
S1
S7
S6
S12
S13
S18
S11
S17
S16
S21
Q2
Q3
D20
S20
Q1
CN1
S19
S14
S9
S4
SRC
OPEN
D21
D22
D1
D4
D15
D2
D5
D11
D3
D6
D7
D13
D10
D17
D8
D9
D12
D18
D16
D19
D14
ATT
Q
4
FM
5
3
6
AUTO
SHIFT
2
DISP
1
AM
DSI
KEY ILLUMINATION
SW (RED)
Q1
: DTA114YUA
2SC4081
Q2,3
:
B30-1605-05
B30-1564-05
DAP202U or
:
D12,14,16,18,19
D20
:
D1-11,13,15,17
:
B30-1566-05
D21
:
MA8068-M
D22
:
GND LINE
B LINE
2/3
X16-
CN2
MA142WA
KEY ILLUMINATION
SW (GREEN)
- - -
R17
10K
-
470
R16
R15
TP23
240
22
24 23
TP22
TP21
ILL-GND
ILL+B
N.C
.
14
15
16
17
18
19
20
21
TP18
TP20
TP19
TP16
TP17
TP14
TP15
ESD-GND
ESD-GND
P
AN-5V
D-GND
V
OL-A
V
OL-B
SRC
OPEN
KI5
5
10
8
6
7
9
11
12
13
TP13
TP12
TP11
TP10
TP9
TP8
TP6
TP7
KS2
KS1
KS4
KS3
KI1
KI2
KI3
KI4
1
2
3
4
TP4
TP5
TP2
TP3
TP1
DSI
GREEN-SW
RED-SW
RST
KS1
KS2
KS3
KS4
KI1
KI2
KI3
KI4
KI5
47
R10
300
R9
300
R6
300
R7
240
R8
240
R4
240
R3
KS1
KS2
KS3
KS4
KI5
KI4
KI3
KI2
KI1
3
4
3
4
10K
R19
470
R18
R5 240
R1 240
C3 0.01
C5 0.01
C1 0.01
C2 0.01
C4 0.01
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
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.
X16-2170-10 (1/1)
RD6.8M
TC74HC02AF
BR24C01AF-W
M5237ML
MCH6101
LB1930M
TC74HC4050AFT
TDA7479D
BA3830F
MA142WA
UN5212