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U
V
SWITCH UNIT (X13-9710-10)
1
2
D3
L1
3
SPE-ANA
BPF
R25
5.1K
4
CN1
5
S GND
15
ANA
14
R22
47K
FL GND
13
MC CLK
12
R33
22K
X13-
J1
MC REQ
11
19
RESET
1/2
S21
A
RST
10
SC DATA
9
SC REQ
8
FAC
7
6
P RESET
6
15
FAC
5
FL+B
4
D GND
3
VDD
2
S GND
1
CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list).
safety critical components. For continued protection against risk of fire, replace only with same type and rating fuse(s). 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
W
X
IC3
Q2
4
0V
GND1
POWER SW
REMOTE
3
0V
for IC3
CONTROLLER
GND2
2
4.9V
OUT
0V
R9
Q2
100
1
VDD
4.9V
LOCK
OPEN
SW
IC2
9
10
R4
GND
VDD
10K
0V
4.85V
C2
10u10
8
11
BIAS C
NC
+
0-5.0V
12
0-5.0V
R34
2.44V
FO6
2.2K
7
NC
6
REC IN
4.5V
5
5.0V
REC NF
4.5V
2.44V
4
LINE IN
4.9V
0V
0-5.0V
3
LINE NF
13
0-5.0V
26
5V
FO5
F02
R7
0V
14
0-5.0V
27
270K
2
FO4
F03
RO1
15
0-5.0V
28
4.9V
FO3
F04
R6
1.3V
16
0-5.0V
29
0V
270K
1
FO2
F05
RO2
17
0-5.0V
30
FO1
F06
0-5.0V
1.3V
18
NC
31
WAVE IN
0-5.0V
32
NC
0V
33
AVSS
0V
34
NC
35
L2
NC
100uH
36
AVREF1
5.0V
37
NC
38
T.P
NC
39
NC
5V
40
0V
MC DATA
41
CP4 470
SC DATA
4.9V
42
0V
MC CLK
43
NC
5V
44
0V
SC REQ
R12
45
45
VFD LAT
1K
4.9V
L4
46
0V
46
VFD DATA
L3
47
47
VFD CLK
48
NC
49
NC
50
NC
Y
Z
ED1
C8
0.01
C6
D4
D5
2.2
R20
2.2K
Q5
SRC
S14
10K
Q1
10K
10K
47K
CONTROL SW
between
Q8
ED1-IC1
93
C1
R13
0.01
Q6
4.7K
X1
12MHz
R15
47K
CP3
1K
R14
Q7
CP2
4.7K
1K
R16
47K
Q6,7
ILLUMINATION
SW
4.7V
0V
0V
5.0V
5.0V
0V
4.9V
0V
3.7V
100
4.9V
1.0V
BLUE
0V
99
NC
98
NC
97
5V
NC
0V
96
NC
95
NC
94
0V
TEST
5.0V
R24 2.2K
93
IC1
0V
REMO ON
93
D1
PANEL
92
KS4
KS4
u-COM
4.9V
91
0V
KS3
KS3
D2
90
KS2
KS2
89
KS1
KS1
88
NC
87
R17
NC
4.9V
1K
86
0V
VFD BLK
85
Q3
NC
84
NC
BRIGHTNESS
83
CONTROL
NC
82
NC
81
5.0V
VDD
80
NC
79
NC
78
NC
0V
77
NC
76
NC
indicates
AA
AB
IC1
: UPD784215GC155
IC2
: BA3830F
IC3
: RS-171
Q1
: DTA114YK
Q2
: DTA144EK
Q3,5 : DTC114EK
Q6,7 : 2SC2412K
Q8
: KRA103S or
DTA124EK
GND LINE
46
45
B LINE
47
3
2
S13
S12
KR5
TI
CLK
S3
S8
KR4
EJECT
MENU
D7
S5
S19
KR3
DLSP
AM
S9
S18
Q3
10K
10K
KR2
ATT
VOL-
S10
S16
CP1
10K
KR1
KMD-PS971R/X92
AC
AD
D1,2
:
DA227
D3
: MA3056-M
D4,5
:
MA3062WA
D7,8
:
B30-1562-05
1
4
S11
S2
6
5
S7
S1
S6
S4
FM
S17
D8
S20
34.4V
VOL+
S15
39.1V
45V
KMD-PS971/X92(E/K) (2/2)
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