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A
B
1
(X13-9000-00)
J1
REQH
1
GND
2
CN1
BU14V
3
1
CH-CON
4
2
CH MUTE
5
3
A GND
6
2
4
CH RST
7
5
Rch
8
6
REQC
9
DATAC
10
7
DATAH
11
Lch
12
8
CH CLK
13
9
10
11
12
13
14
3
(E30-4138-05)
15
16
J1
(OUTSIDE VIEW)
1
REQH
2
GND
3
BU+14
4
CH CON
4
3
2
1
5 CH MUTE
8
7
6
5
6
A GND
7
CH RST
12
11
10
9
8
Rch
13
9
REQC
10
DATAC
(E30-0825-05)
11
DATAH
12
Lch
13
CH CLK
4
5
6
7
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.
C
D
(X32-4660-0X)
LPS
AVREF0
24
LPS
26
GND
CN2
BU+14V
BU+14V
1
BU+14V
2
CH-RST
CH-RST
3
3
Q6,7
R-CH
R-ch
4
A. MUTE
A-GND
Lch
R61
C47
R53
A-GND
5
L-CH
100
10u16
680
L-ch
6
Lch
+
CH-CON
D21
Q6
R100
48
CH-CON
7
7
4.7K
1K
GND
8
GND
D22
GND
9
Q7
CH-MUTE
4.7K
CH-MUTE
10
44
DATAH
49
DATAH
11
40
R60
C46
DATAC
100
10u16
R54
DATAC
12
41
Rch
+
680
CH-CLK
Q8
CH-CLK
13
42
Rch
REQC
22K
REQC
14
43
REQH
A. MUTE
22K
REQH
15
83
SW
NC
16
7.0V
BU DET
DETECT
D12
R77
18K
Q20
D7
Q20,21
22K
BU 5V
22K
DRIVE
Q21
D9
D10
Q22
Q15
AVR 8V
Q16
DRIVE
R79
Q17
3.3K
Q17,18
8/7V
AVR 8V
SW
22K
22K
Q19
Q18
22K
7/9V
22K
SW
IC11
S-RAM
R137
100
5.0V
22
21
5.0V
CP14
77
OE
A10
100K
CE1
20
0V
CE1
0V
23
67
A11
CP5
0V
24
100
65
A9
19
0V
I/O7
0V
25
18
0V
64
A8
I/O6
17
0V
R136
I/O5
0V
26
74
CE2
16
0V
I/O4
100
CP8
R138
0V
27
100K
78
WE
15
0V
100
I/O3
CP6
14
0V
100
VSS
5.0V
28
VCC
13
0V
1
I/O2
NC
12
0V
R135
5.0V
2
I/O1
68
A12
11
0V
I/O0
100
2.5V
3
10
CP7
55
A7
A0
48
100K
4
9
54
A6
A1
49
5
8
53
A5
A2
50
6
52
A4
0V
7
51
A3
E
F
S4
COMMSW
R129
1K
CHRST
3
Q13
22K
7
22K
CH CON
CHCON
SW
Q12
LPSCO
10K
10K
24
BUDET
Q12
HOT
LPS POWER
SW
1.3V
1.2V
26
26
LPS
0V
27
27
LOESW
5.0V
28
28
LIMSW
CP3
100K
0V
29
TOFF
0V
30
AVR
5.0V
ADJSEL
IC4
0V
31
TBANK
5.0V
32
IN
OUT
SIM3
GND
0V
33
AVSS
0V
34
LPSCO
AMUTE
5.0V
35
AMUTE
5.0V
36
AVREF1
37
5V
37
SDI
0V
R105
1K
38
38
SDO
5V
0V
R106
39
5V
39
SCK
W10
1K
0V
DATAH
FDATAI
W9
R107
100
W21
5.0V
40
40
DATAH
R148
100
0V
41
41
DATAC
FDATAO
R149
DATAC
100
5.0V
42
42
HCLK
D15
HCLK
FCLK
REQC
R150
5.0V
43
43
REQC
1K
R121
44
Q14
CHMUTE
10K
4.7K
5.0V
44
CHMUTE
4.7K
CH MUTE
SW
45
45
TSO
0V
5V
0V
0V
46
46
TSI
5.0V
47
5V
47
TSCK
0V
CP10
5V
100
0V
5V
48
48
A0
0V
49
49
A1
66
50
50
A2
5V
51
0V
5V
63
0V
CP11
62
100
61
60
59
58
57
56
• DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual instruments or/
and units.
G
H
+5V
RESET
RESET IC
IC9
Q11
R97
10K
22K
3
IN
2
5.0V
22K
0V
4
OUT 1
5.0V
RESET
SW
X2
FCLOCK
12.5MHz
CP9
1K
FRESET
TOUT
5V
5V
0V
100
0V
ARMSW
5V
99
0V
PON
0V
98
5.0V
SCL
97
5.0V
SDA
96
0V
SLNSA
95
0V
SRVSEL
94
0V
TEST/VPP
93
SLG
0V
92
5.0V
8/7V
IC7
91
0V
TEST2
SYSTEM u-COM
90
0V
TEST1
89
5.0V
SEARCH
88
0V
SIM1
87
5.0V
ELV-
86
5.0V
ELV+
85
0V
SPLO-
84
0V
SPLO+
83
5.0V
REQH
82
0V
RAMTEST
81
5.0V
VDD
80
ASTB
79
0V
5V
WAIT
0V
78
5.0V
5V
WR
77
5.0V
0V
RD
76
5.0V
5V
ELVADJ
0V
ELVADJ
RAMOK
CP12
CP15
100
100K
+5V
+5V
+8V
+5V
I
J
S1
MGSW
R84
17
1K
S2
EJSW
R83
18
1K
S3
ARMSW
R82
1K
EEP ROM
0V
IC8
R155
100
5.0V
5
4
SDA
GND
R156
5.0V
6
3
SCL
NC
100
0V
7
2
R153
TEST
NC
4.7K
5.0V
8
1
VCC
NC
R154
4.7K
5.0V
PON
R80
Q10
1K
R81
SCL
P-ON
5V
10K
SDA
CP1
SRVSEL
SLNSA
100K
SLG
ADJSEL
D20
CP17
TEST1
TEST2
100K
SEARCH
R157
W17
87
1K
SIM1
86
85
REQH
R101
84
1K
RAMTEST
R134
100K
78
77
R113
100K
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