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AJ
1
SWITCH UNIT (X16-2170-10)
C3 0.01
C5 0.01
R10
D19
D14
47
D17
R9
D16
300
C1 0.01
2
D10
R6
D18
300
C2 0.01
D13
R7
D12
300
C4 0.01
D15
D11
R8
240
D4
D5
R4
3
240
D1
D2
R3
240
KEY ILLUMINATION
SW (GREEN)
KEY ILLUMINATION
SW (RED)
4
TP18
TP19
24 23
22
21
20
19
18
17
16
5
X16-
CN2
2/3
B
6
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.
7
AK
R1 240
D20
S4
5
S5
KS1
S9
6
S10
KS2
S14
SHIFT
D7
S15
KS3
D6
S19
D8
D9
D3
R16
Q2
470
3
R18
Q3
470
4
S21
TP16
15
14
13
12
11
Q1
Q2,3
D1-11,13,15,17
D12,14,16,18,19
D20
GND LINE
D21
B LINE
D22
AL
FM
4
Q
ATT
S3
S2
S1
3
AUTO
S8
S7
S6
2
DISP
S13
S12
S11
AM
1
S18
KS4
Q1
47K
DSI
10K
D22
10
9
8
7
6
5
4
3
2
: DTA114YUA
:
2SC4081
:
B30-1605-05
:
B30-1564-05
:
DAP202U or
MA142WA
:
B30-1566-05
KDC-8024 (3/3)
:
MA8068-M
AM
KDC-8024
MA142WA
UN5212
RD6.8M
TC74HC02AF
BA3830F
BR24C01AF-W
M5237ML
MCH6101
1
CN1
LB1930M
TC74HC4050AFT
TDA7479D
X16-2170-10 (1/1)
AN
27
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