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AO
KDC-MP925/W8027
1
SWITCH UNIT (X16-2560-xx)
2
RESET
CN1
DSI
1
3
Q1
NC 2
DSI SW
RST
3
GREEN-SW
4
GRN
RED-SW
5
RED
KI5
6
KI5
KI4 7
KI4
X16-253-
KI3
8
KI3
CN2
KI2
9
KI2
2/3
KI1
10
KI1
C
NC 11
KS4
12
KS4
4
KS3
13
KS3
KS2
14
KS2
KS1
15
KS1
VOL-B
16
VOL-A
17
D GND
18
PAN-5V
19
ILL +B
20
ILL +B
21
ILL-GND
22
NC
23
ESD GND
24
5
VOLUME
(X16-256x-xx)
MODEL NAME
KDC-X979/X879
KDC-9026R
KDC-PSW9527
KDC-W9027
KDC-W8027
KDC-MP925
6
KDC-MPV8025
KDC-MP825
KDC-8026
KDC-W7027
KDC-7027/Y
FX-9100
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.
7
• DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between
individual instruments or/and units.
28
X16-2560-10 (1/1)
AP
D1
D3
D5
D2
D4
D6
D7
R14
Q3
3.3K
S20
GRN
RED
KI1
S1
ATT
10K
KI2
47K
S2
KI3
S3
KI4
S4
KI5
S5
S21
OPEN
C1-5,
D11-15,
UNIT
D1-10
R1,2
R3,4
R5
R6-10
No.
7-12
17-22
0-10
YES
SR/PG
BLUE
470
300
470
180
0-11
NO
SR/PG
RED
560
390
750
560
0-01
YES
HR/YG
BLUE
470
330
470
180
AQ
D8
D9
D10
ILLUMINATION SW
D25
R12
R16
Q2
Q4
3.3K
2.2K
S6
S11
SCRL
S7
S12
MENU
AUTO
S8
S13
1
2
S9
S14
FM
S15
S10
SRC
Q1
: DTA114YUA
Q2-4 : 2SD2114K
D24 : B30-1566-05
D25 : DAN222
AR
S16
5
S17
SHIFT
6
S18
4
3
S19
AM
KDC-MP925/W8027 (3/3)
GND LINE
B LINE
AS
DAN202U
DAP202U
DA204K
DA204U
DTA114YUA
MA142WA
UN5212
RD6.8M
TC74HC02AF
BA3830F
TC7SH08FU
M5237ML
LB1930M
TC74HC4050AFT
TDA7479D
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