AE
AF
AH
AJ
AL
AN
AG
AI
AK
AM
2
1
3
5
7
4
6
20.5V
14.6V
-23.8V
-14.8V
-15.3V
-0.6V
0V
0V
14.6V
0V
0V
0V
-14.7V
-14.7V
14.6V
14.7V
14.6V
14.6V
9.8V
14.4V
9.2V
4.7V
4.7V
4.7V
4.7V
4.7V
4.7V
4.8V
4.5V
4.0V
4.0V
4.7V
4.7V
4.7V
4.7V
OFF-14.7V
ON:2.2V
-6dB ATT
-14.7V
14.4V
OFF:0V
POWER ON:14.4V
14.6V
13.8V
14.6V
OFF:0.6V
POWER ON:0.1V
11.6V
-17.3V
16.7V
-35.0V
-32.3V
-33.0V
6.6V
6.1V
5.5V
10.7V
5.5V
-23.8V
20.7V
15.8V
11.1V
5.5V
14.0V
-14.7V
1.1V
-1.1V
-32.7V
-1.1V
-0.6V
1.1V
32.7V
OFF:19.1V
ON:0.2V
POWER
-32.7V
32.7V
31.5V
32.3V
1.1V
19.0V
32.3V
-32.0V
-32.0V
31.5V
19.0V
1.1V
32.0V
0V
13.8V
0.6V
-31.5V
0V
2.1V
LESS THAN -9dB:
-9dB:-14.7V
VOL.MORE THAN
ON:2.4V
OFF:-4.8V
MUTE
32.7V
-0.6V
-32.3V
-32.3V
0.6V
0V
-31.5V
-31.5V
0V
AUDIO UNIT
(X09-473X-XX) (A/3) : R-A150
(X09-4780-20) (A/3) : R-A100
IC4
IC3
IC1
Q5
(2/2)
IC2
(1/2)
IC2
Rch
Lch
Lch
Rch
Rch
Lch
Lch
PLAY
TAPE2
Rch
Lch
TAPE2
REC
Rch
Lch
PLAY
TAPE1
Rch
Rch
Lch
Lch
Rch
Rch
Lch
+9V AVR
-30V
AVR
AVR
+5.6V
AVR
+15V
AVR
-15V
RELAY
CONTROLLER
(A CLASS)
CONTROLLER
+15V
D21
MUTE
CONTROLLER
-6dB ATT
CONTROLLER
-10dB ATT
CONTROLLER
Rch
Lch
-10dB ATT
CONTROLLER
CONTROLLER
MUTE
CONTROLLER
-6dB ATT
CURRENT
ADJ.VR.
(Rch)
(Lch)
ADJ.VR.
CONTROLLER
OVER CURRENT/OVER VOLTAGE
OVER VOLTAGE
DETECTOR
2ND
A CLASS
A CLASS
CURRENT
D10
D5
D9
Q2
Q95
Q1
D17
D16
D15
Q72
Q71
Q31
Q32
Q52
Q51
Q54
Q56
Q26
Q91
Q25
D25
Q74
Q76
Q75
Q73
1ST
CURRENT
MIRROR
Q58
Q62
D32
Q60
Q61
Q59
D14
D12
D13
D11
Q14
Q3
Q15
Q13
Q12
Q11
D20
Q55
Q53
E13
CN12
Q57
D31
Q21
Q22
D19
Q93
Q94
Q92
Lch
Rch
BUFFER
ELECTRIC VOL.
MODE
SELECTOR
INPUT
SELECTOR
J3
1
6
5
4
3
2
J2
CD
AUX
TAPE1
REC
2
3
4
5
6
1
1
J4
2
3
4
5
LD
VCR
VCR
REC
PLAY
6
A
B
0V
32.7V
15.2V
C14
C264
100P
32.0V
47K
C28
R217 100
R215 100
R213 100
R211 100
R209 100
1/5
-CN1
X05-467
2/5
X05-468
-CN1
-40V
-28V
-15V
-15V
-15V
+40V
+14V
+40V
+15V
-15V
+15V
+15V
-15V
+15V
-15V
+15V
-15V
+15V
-15V
+15V
-15V
+15V
-15V
+15V
-15V
+15V
-40V
+5.6V
-30V
-30V
47u50
100u50
C38
C37
R30
Q21
100K
33u10
2W
C31
Q25
+12V
1000P
1K
R159
1K
R160
Q81
Q82,83
+
330u25
C2
47u50
C11
10u50
C10
+
1.2K
1K
R46
R5
C9
100u50
+
+17V
C4
47u10
+
R45 1K
R3
1K
+
C3
10u35
+
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R93
R94
+15V
-15V
+9V
+
+
3300u56
+23V
+23V
+23V
+23V
+5.6V
+17V
+12V
R123
2.2K
C25
47 1/4W
R47
R48
47 1/4W
C40
+
+
+
C20
10u35
100
R125
47K
2W
2W
2W
2W
3300u56
~
~
C42 2P
R158 47K
R157 47K
C41 2P
470
VR2
470
VR1
1000P
180 2W
R15
0.01
+
-
+
1/4W
10u16
C17
1000P
C15
R22
1K
220
R14
R20
10K
C16
+12V
-15V
+23V
+23V
+15V
+15V
K2
-32V
-40V
-40V
+15V
-15V
+12V
K1
6.8
68 2W
R240
820 2W
R8
1
R7
1/4W
1/4W
R6
15K
Q53-56
+40V
+40V
+40V
+40V
+40V
+40V
+40V
+14V
+14V
+40V
+40V
Q57,58
Q59-62
1000P
1/4W
1/4W
0.01
C124
100P
C263
0.01
C123
C268
100P
100P
C266
R242
0.22
0.22
R244
R243
0.22
0.22
R241
R173
1.3K
R171
4.7K
R174
1.3K
R172
4.7K
100P
C267
100P
C265
100P
100P
100
R156
1/4W
1/4W
R155
100
6.8K
R154
R153
6.8K
C286
R152 220
1/4W
47P
C120
1/4W
220
R150
4.7
R178
1/4W
1/4W
R176
4.7
4.7
R177
1/4W
1/4W
R175
4.7
C122 0.1
C121 0.1
10K
R12
10K
R13
R21 15K
+
C21 47u16
C18 47u16
+
R17 16K
R11
3.3
3.3
R18
1/4W
1/4W
C13
+
1000u35
47u35
+
R19
10K
C39
+
470u35
C19
C261
100P
100P
C259
C114
C113
R138
47K
R137
47K
220P
220P
R136 100K
R135 100K
R131
2.2K
2.7K
R118
R132
2.2K
1.2K
R120
R119
1.2K
2.7K
R117
R122
2.2K
2.2K
R134
R133
2.2K
2.2K
R121
FIL
FIL
-30V
+5.6V
+5.6V
D.GND
D.GND
F.OFF
CH.SPACE
HP DET
PROTECTION
MUTE
PLL DO
PLL CE
PLL DATA
PLL CLK
T.MUTE
STEREO
S-LEVEL
10dB ATT
SD
TC9215(ATT)
E.VOL DATA
F.RELAY
INPUT ADJ
SEL ST
TC9215(SEL)
SEL CLK
SEL DATA
NC
E.VOL CLK
NC
NC
NC
CH SPACE
PLL DO
PLL CE
PLL CLK
PLL DATA
T.MUTE
-15V
+15V
Lch
GND
Rch
STEREO
SD
S-LEVEL
DET
POWER
R221
100
R220
100K
2
4
6
5
7
8
10
11
13
12
15
14
27
R222
R219 10K
R210 100K
R212 100K
R214 100K
R216 100K
R218 100K
100K
R223
21
16
18
17
19
20
2.2K
R239
C32
C111
2.2u50
100P
C262
C260
100P
R140
R139 15K
+
100u10
C115
R143
2.2K
R141
2.2K
+
+
C112
2.2u50
C284
C283
+
100u10
C116
R144
2.2K
2.2K
R142
360
R146
R145
360
C119
47P
220 1/4W
R151
C285 1000P
1/4W
R149
220
10K
R41
13
R234
10K
8
R35
3.9K
4.7K
R37
10K
R36
21
R27
15 1/4W
R31
47K
47K
+
47u35
C287
C29 10u16
+
+
100u16
10K
R28
R29
100
7
5
4
6
11
10
2
C94 4.7u35
+
C93 4.7u35
+
C95
100
R238
R237
1.5K
+
C282
10u16
2.2K
R103
R104
2.2K
+
1u50
+
+
C92
1u50
C90
4.7u35
R114 1K
470P
C100
R97
1K
C98
0.47u50
R108
3.6K
110K
R110
R109
20K
47K
R107
4700P
C97
R111
1.5K
R113
4.3K
5600P
R115 1K
2.2u50
C84
+
+
C83
2.2u50
C91
R112
1K
+
+
C99
0.47u50
1u50
+
27K
R44
R236
27K
R40
+
C281
4.7u35
R39
R43
1K
R235
1K
1.2K
R38
4.7K
R42
4.7K
R233
1/4W
4.7
R99
2.2K
R232
2.2K
R231
2.2K
R102
14
16
18
19
17
20
27
34
35
32
33
30
31
28
29
26
27
24
25
23
22
C77
4.7u35
+
C78
4.7u35
+
15
12
100K
R91 100K
R92 100K
C74
1u50
+
C73
1u50
+
C23 100P
C79
0.01
R23
100
R24
100
C75 220P
C76 220P
100K
C80 100P
100K
R96
R95
100K
C24 100P
C96
5600P
R101
2.2K
C86
0.1u50
+
+
0.1u50
C87
+
C85
0.1u50
+
1K
R98
47u16
C89
+
5.6K
R106
R105
5.6K
0.1u50
C88
21
20
19
17
16
18
26
T.R.
T.L.
23
22
SDA
A.GND
25
24
SCL
17
NC
NC
NC
NC
B.R.
18
20
19
21
100P
C72
C71
1K
R88
1K
R89
470P
C70
1K
R90
25
26
27
23
22
19
10
6
-
+
7
8
6
5
+
-
1
4
3
2
42
41
40
38
37
35
34
36
39
32
33
31
30
28
29
27
1
NC
C.REF
2
NC
VSS
NC
3
NC
NC
5
NC
V.REF
6
NC
NC
R.IN
L.IN
8
NC
NC
9
NC
NC
NC
7
4
SRS
L.IN
NC
SRS
R.IN
L.OUT
12
11
10
NC
R.OUT
L.OUT
B.L.
15
14
13
D.GND
B.R.
16
B.L.
R.OUT
LIN
T1R/L
T1R/R
RIN
-15V
LIN
VCR/L
TC1
RIN
VCR/R
1
2
GND
GND
16
15
+15V
3
4
5
6
8
7
14
13
12
10
11
9
TC2
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
SOUCE
TAPE1
PLAY
15
17
16
CK
DATA
18
19
21
22
23
24
25
26
20
PLAY
TAPE2
14
12
13
11
10
GND
ST
CD
TUNER
AUX
PLAY
VCR
LD
8
7
6
5
4
3
9
27
28
VDD
L
2
1
VSS
R
1K
R79
1K
R83
27
R63
R65
470K
25
R66
470K
220P
C57
C58
220P
1K
R64
1K
R67
R69
470K
19
470K
R70
220P
C59
C60
220P
R71
R68
1K
1K
R73
470K
R74
470K
220P
C61
220P
C62
1K
R72
1K
10
23
6
22
R55
1K
R53
470K
R54
470K
220P
C51
C52
220P
R51
1K
R52
1K
R57
470K
R58
470K
R62
470K
C55
220P
C56
220P
1K
R60
1K
R59
470K
R86
R85
R77
470K
R78
470K
1K
220P
C67
C68
1K
220P
C63
1K
220P
C64
R84
R76
R75
470K
470K
220P
R82
26
C66
1K
220P
R80
470K
R81
C65
220P
C53
220P
C54
220P
1K
R56
470K
R61
X
X
X
X
X
X
X
X
X
X
X
X
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CAUTION: For continued safety, replace safety critical components only with
manufacturer's recommended parts (refer to parts list). indicates 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.
R-A100(K)
PCB/SD
2P
98.4.25
10:46
y [ W
7
www.freeservicemanuals.info
27/9/2013
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