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XM-7527
5-4. PRINTED WIRING BOARD – FILTER/AMPLIFIER SECTION –
B
AMPLIFIER BOARD
CNP806
(Page 12)
FILTER BOARD
JW001
JW002
A
CNJ806
12
1
R216
JW009
JR01
R209
R210
JW013
R208
C212
B
IC803
IC201
R214
C208
VR804
C111
JW014
JW015
C109
R114
JW016
JW018
JW019
JW017
S803
C
R112
S804
IC101
JR03
C112
1
2
3
09
S804
VR804
S803
NFB
FILTER
FILTER
(ON
OFF)
(50Hz
200Hz)
(LPF
OFF
• Semiconductor
Location
Ref. No.
Location
IC101
C-2
IC201
B-2
IC803
B-3
• Semiconductor Location
Ref. No.
Location
Ref. No.
Location
Q105
H-6
D101
I-6
Q106
H-7
D102
I-7
Q107
I-6
D103
E-4
Q108
I-7
D104
F-4
Q110
J-8
D201
I-4
Q110
J-8
D202
I-4
Q111
J-6
D203
E-3
Q112
F-7
D204
F-3
Q113
F-7
D846
G-5
Q114
G-7
D861
D-9
Q115
G-7
D941
H-1
Q201
B-4
D942
E-2
Q202
A-4
D943
E-1
Q203
H-3
D944
E-2
Q204
H-4
D945
E-1
Q205
H-3
D946
E-1
Q206
H-4
D947
E-2
Q207
I-3
D948
E-2
Q208
I-4
D949
E-1
Q210
J-4
D950
I-2
Q211
J-3
D951
H-2
Q212
F-4
Q213
F-3
IC102
B-5
Q214
G-3
IC202
B-4
Q215
G-3
IC801
C-2
Q812
D-8
IC802
B-4
Q813
D-8
IC804
D-9
Q814
D-8
Q941
J-1
Q101
A-5
Q942
H-2
Q102
B-3
Q943
G-2
Q103
H-6
Q944
G-1
Q104
H-7
AMPLIFIER BOARD
A
C210
C211
B
JW020
R217
C
R117
11
1-675-243-
FILTER
B
BOARD
CNJ806
D
(Page 12)
C965
HPF)
E
L905
R947
R948
F
G
C960
H
I
J
09
CNJ805
OUTPUT
INPUT
(THROUGH)
R
L
R
L
(MONO)
S802
VR801
VR803
DIRECT
LEVEL
BOOST
LEVEL
(ON
OFF)
(MIN
MAX)
(0dB
C867
R870
R125
CNJ805
S802
VR801
VR803
R225
E
Q202
E
R224
JW041
R206
R123
JW052
E
IC201
JW053
Q201
Q102
R223
C803
JW054
JW042
JW043
R101
C105
IC202
JW055
JW044
R105
C103
JW045
JW046
R104
JR15
IC801
JW047
JW048
R103
C203
C963
JW069
R204
C962
1
CNP806
JW064
JW075
JW074
JW076
JW068
C945
C946
C964
C943
C944
L904
C949
C950
JW086
L906
C947
D203
D103
C948
JW087
L907
R252 R152
JW088
R250 R150
R251 R151
C966
R249 R149
D204
D104
D206
T902
JW113
E
R259
JW114
Q212
Q213
R943
R944
E
R247
JW115
R257
R248
E
Q944
Q943
D205
Q214
Q215
E
E
C959
R246
E
R261
R258
R260
C961
R254
JW116
E
R226
R238
JW131
R237
D941
JW117
R941
Q205
E
E
L908
Q204
D951
Q203
E
C967
E
Q206
R230
R231
E
E
JW129
Q208
Q207
JW120
JW130
C221
JW121
D202
JW122
G
S
G
Q941
Q210
Q211
Q209
B
E
E
R235 R234
1
2
3
4
12
12
CN807
MONO
SPEAKER
VR802
L+R
OUT
BOOST
LOW CUT
R
L
40dB)
FREQ
(7Hz
40Hz)
VR802
R164
R264
R165
R265
Q101
R266
R166
C122
C222
JW039
JW040
E
IC102
12
JW056
JW057
JW058
C808
R832
R828
C807
JW035
E
E
C953
C954
D106
JW079
JW080
E
JW095
R159
Q112
JW096
JW081
C955
Q113
R147
E
JW097
JW082
R157
R148
JW098
E
D846
JW099
Q114
JW001
Q115
R146
E
C865
R158
R160
R161
JW101
JW102
R154
R126
R138
RY801
JW103
R137
JW104
Q105
Q104
E
E
Q103
Q106
E
E
R131
R130
JW105
C958
R946
JW106
E
E
Q107
Q108
JW092
JW107
JW093
D101
D102
C121
VR201
VR101
JW094
IDLING
IDLING
S
G
S
G
S
Q109
Q110
Q111
TH803
E
R135
R134
5
6
7
8
S805
TEST TONE
CNP804
POWER
BLK
+15V
9
A
BOARD
BLU
MUTE
CNB804
BLU
OFFS
(Page 14)
BLU
H-V
BLU
H-C
BLU
FAN
BLU
TH
BLU
+B
BLU
GND
1
JW023
IC804
Q814
E
R831
R830
D861
+28V
TO
GND
JW077
POWER
BOARD
JW078
(Page 14)
-28V
11
1-675-244-
9
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