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AY
KDC-9026R/PSW9527
KDC-W9027/X979
QQ
3 7 63 1515 0
SWITCH UNIT (X16-2560-xx)
1
2
CN1
3
DSI
1
NC 2
RST
3
GREEN-SW
4
RED-SW
5
KI5
6
KI4 7
X16-253-
KI3
8
CN2
KI2
9
3/4
TE
L 13942296513
KI1
10
C
NC 11
4
KS4
12
KS3
13
KS2
14
KS1
15
VOL-B
16
VOL-A
17
D GND
18
PAN-5V
19
ILL +B
20
ILL +B
21
ILL-GND
22
5
NC
23
ESD GND
24
(X16-256x-xx)
6
KDC-X979/X879
KDC-9026R
KDC-PSW9527
KDC-W9027
KDC-W8027
KDC-MP925
KDC-MPV8025
KDC-MP825
KDC-8026
www
KDC-W7027
KDC-7027/Y
FX-9100
7
34
X16-2560-10 (1/1)
AZ
∗
∗
D1
D3
∗
∗
D2
D4
RESET
S20
GRN
RED
KI1
10K
KI2
Q1
47K
DSI SW
GRN
RED
KI5
KI4
KI3
KI3
KI2
KI1
KS4
KS3
KS2
KI4
KS1
KI5
S21
VOLUME
C1-5,
D11-15,
UNIT
MODEL NAME
D1-10
R1,2
R3,4
No.
7-12
17-22
0-10
YES
SR/PG
BLUE
470
0-11
NO
SR/PG
RED
560
0-01
YES
HR/YG
BLUE
470
x
ao
.
i
BA
∗
∗
D5
D8
∗
∗
D6
D9
∗
∗
D7
D10
ILLUMINATION SW
D25
R14
R12
R16
Q3
Q2
3.3K
3.3K
2.2K
S6
S1
SCRL
ATT
S2
S7
MENU
AUTO
S3
S8
Q Q
3
6 7
1
2
S4
S9
FM
S5
S10
SRC
OPEN
KDC-9026R, KDC-PSW9527, KDC-W9027, KDC-X979 (3/3)
Q1
R5
R6-10
Q2-4 : 2SD2114K
D24 : B30-1566-05
300
470
180
D25 : DAN222
390
750
560
CAUTION : For continued safety, replace safety critical components only with
330
470
180
manufacturer's recommended parts (refer to parts list).
u163
y
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.
BB
2 9
9 4
8
Q4
S11
S16
5
S12
S17
SHIFT
S13
S18
1 3
1 5
0 5
8
2 9
4
3
S14
S19
S15
: DTA114YUA
GND LINE
B LINE
m
co
.
BC
2 8
9 9
6
9 4
2 8
9 9
AM
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