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AVR250
SURROUND SOUND RECEIVER
- 40 -
ARCAM
Sound &
Vision
DW
N.
B
Y
: Xia
o
Xie
M
ODEL
: AVR
250
DA
TE
:11/J
un/2004
ISSUE:
A
AM
P
2
SCH
SH
EET
10 OF
1
Q104
2S
C
1845E
Q105
2S
C
1845E
Q106
2S
C
1845E
Q112
2S
C
2229
Q113
2S
C
3421
Q116
C
5171
Q117
A
1930
Q118
2S
C
5200
Q119
2S
A
1943
R
101
680
R
102
22K1% R
M
F
R
111
1K
R
109
22K
R
103
100 1% R
M
F
R
115
27
R
108
8K2
R
107
220
R
110
680 1% R
M
F
R
114
1K
R
113
12K
R
112
22K 1% R
M
F
R
121
10/1W
R
122
10/1W
R
117
82
R
137
100/1W
R
135
560
VR
101
470
R
124
82
R
138/A
0.
22/5W
R
138/B
0.
22/5W
C
106
10u/50V
C
105
220u/16V
C
108
10u/50V
C
104
47u/63V
C
103
47u/50V
C
102
471
C
101
10u/35V
C
107
101
C
112
332
R
139
2K7
R
123
82
R
127
18
0
Q120
2S
C
1845
R
141
33K
Q101
RN
1241
C
810
220u/63V
C
811
220u/63V
Q826
2S
C
1845
Q827
2S
C
1845
Q828
A
949
R
842
22K
R
843
33K
R
844
33K
R
845
10K
R
846
5K6
C
838
220u/25V
C
839
103
C
840
103
Z
803
5V1
R
140
470
Q103
2S
A
1015G
R
Q102
2S
A
1015G
R
R
105
68 1% R
M
F
R
106
68 1% R
M
F
R
104
100 1% R
M
F
Q107
2S
C
1845E
Q111
2S
C
1845E
Q108
2S
A
1015G
R
Q109
2S
A
949
Q110
2S
A
949
R
116
22K
R
118
2K2
R
119
560
R
120
18
D101
1N4148
D102
1N4148
Q114
2S
C
1845
Q115
2S
A
1015G
R
R
128
18
0
R
131
1K
R
132
1K
C
109
4.
7u/50V
C
110
4.
7u/50V
R
136
560
R
126
8K2
R
125
8K2/0.
25W
R
133
2K2
R
129
8K2
R
130
8K2/0.
25W
R
134
2K2
Z
101
27V
Z
102
27V
C
111
10u/50V
D103
1N4004
D104
1N4004
P
101
P2
Q204
2S
C
1845
Q205
2S
C
1845
Q206
2S
C
1845
Q212
2S
C
2229
Q213
2S
C
3421
Q216
C
5171
Q217
A
1930
Q218
2S
C
5200
Q219
2S
A
1943
R
201
680
R
202
22K1% R
M
F
R
211
1K
R
209
22K
R
203
100 1% R
M
F
R
215
27
R
208
8K2
R
207
220
R
210
6801% R
M
F
R
214
1K
R
213
12K
R
212
22K 1% R
M
F
R
221
10/1W
R
222
10/1W
R
217
82
R
237
100/1W
R
235
560
VR
201
470
R
224
82
R
238/A
0.
22/5W
R
238/B
0.
22/5W
C
206
10u/50V
C
205
220u/16V
C
208
10u/50V
C
204
47u/63V
C
203
47u/50V
C
202
471
C
201
10u/35V
C
207
101
C
212
332
R
239
2K7
R
223
82
R
227
18
0
Q220
2S
C
1845
R
241
33K
Q201
RN
1241
R
240
470
Q203
2S
A
1015G
R
Q202
2S
A
1015G
R
R
205
68 1% R
M
F
R
206
68 1% R
M
F
R
204
100 1% R
M
F
Q207
2S
C
1845
Q211
2S
C
1845
Q208
2S
A
1015G
R
Q209
2S
A
949
Q210
2S
A
949
R
216
22K
R
218
2K2
R
219
560
R
220
18
D201
1N4148
D202
1N4148
Q214
2S
C
1845
Q215
2S
A
1015G
R
R
228
18
0
R
231
1K
R
232
1K
C
209
4.
7u/50V
C
210
4.
7u/50V
R
236
560
R
226
8K2
R
225
8K2/0.
25W
R
233
2K2
R
229
8K2
R
230
8K2/0.
25W
R
234
2K2
Z
201
27V
Z
202
27V
C
211
10u/50V
D203
1N4004
D204
1N4004
P
201
P2
Q304
2S
C
1845
Q305
2S
C
1845
Q306
2S
C
1845
Q312
2S
C
2229
Q313
2S
C
3421
Q316
C
5171
Q317
A
1930
Q318
2S
C
5200
Q319
2S
A
1943
R
301
680
R
302
22K 1% R
M
F
R
311
1K
R
309
22K
R
303
100 1% R
M
F
R
315
27
R
308
8K2
R
307
220
R
310
680 1% R
M
F
R
314
1K
R
313
12K
R
312
22K 1% R
M
F
R
321
10/1W
R
322
10/1W
R
317
82
R
337
100/1W
R
335
560
VR
301
470
R
324
82
R
338/A
0.
22/5W
R
338/B
0.
22/5W
C
306
10u/50V
C
305
220u/16V
C
308
10u/50V
C
304
47u/63V
C
303
47u/50V
C
302
471
C
301
10u/35V
C
307
101
C
312
332
R
339
2K7
R
323
82
R
327
18
0
Q320
2S
C
1845
R
341
33K
Q301
RN
1241
R
340
470
Q303
2S
A
1015G
R
Q302
2S
A
1015G
R
R
305
68 1% R
M
F
R
306
68 1% R
M
F
R
304
100 1% R
M
F
Q307
2S
C
1845
Q311
2S
C
1845
Q308
2S
A
1015G
R
Q309
2S
A
949
Q310
2S
A
949
R
316
22K
R
318
2K2
R
319
560
R
320
18
D301
1N4148
D302
1N4148
Q314
2S
C
1845
Q315
2S
A
1015G
R
R
328
18
0
R
331
1K
R
332
1K
C
309
4.
7u/50V
C
310
4.
7u/50V
R
336
560
R
326
8K2
R
325
8K2/0.
25W
R
333
2K2
R
329
8K2
R
330
8K2/0.
25W
R
334
2K2
Z
301
27V
Z
302
27V
C
311
10u/50V
D303
1N4004
D304
1N4004
P
301
P2
1
2
3
4
5
6
7
8
P
102A
8P
+V
-V
GN
D
SL
O
FL
O
CE
N
O
PR
O
T
G
ND1
G
ND1
G
ND1
G
ND1
G
ND2a
G
ND2b
G
ND2c
G
ND2 =
F
ilt
er
G
ND1
R
342
22K
R
142
22K
R
242
22K
FL
CE
N
SL
V_DET
CU
_
D
E
T
1
2
3
4
5
6
P
108A
TO A
M
P
2
BO
A
R
D
1
2
3
4
5
6
7
8
9
10
P
107B
P1
0
SMU
CMU
FMU
1
2
SE
802
SE
NOR
SE
N
1
SE
N
2
SMU
CMU
FMU
R
144
10K
R
145
10K
R
244
10K
R
245 10K
R
344
10K
R
345
10K
R
143
22K
C
121
102
R
243
22k
C
231
102
C
341
102
R
343
22k
WI
M
A
WI
M
A
WI
M
A
WI
M
A
WI
M
A
WI
M
A
AMP2
Summary of Contents for DiVA AVR250
Page 4: ... 3 AVR250 SURROUND SOUND RECEIVER ADJUSTMENT POINTS DIAGRAM AMP1 board ...
Page 5: ...AVR250 SURROUND SOUND RECEIVER 4 AMP2 board TUNER board OSC RF VT ...
Page 6: ... 5 AVR250 SURROUND SOUND RECEIVER VIDEO board ...
Page 12: ... 11 AVR250 SURROUND SOUND RECEIVER KEY board PCB LAYOUT ...
Page 13: ...AVR250 SURROUND SOUND RECEIVER 12 AMP2 board component side ...
Page 14: ... 13 AVR250 SURROUND SOUND RECEIVER AMP2 board copper side ...
Page 16: ... 15 AVR250 SURROUND SOUND RECEIVER AUDIO board copper side VOL board PHONE board ...
Page 18: ... 17 AVR250 SURROUND SOUND RECEIVER CON2 board component side CON2 board copper side PSU board ...
Page 19: ...AVR250 SURROUND SOUND RECEIVER 18 DSP board component side ...
Page 20: ... 19 AVR250 SURROUND SOUND RECEIVER DSP board copper side ...
Page 21: ...AVR250 SURROUND SOUND RECEIVER 20 MAIN board ...
Page 22: ... 21 AVR250 SURROUND SOUND RECEIVER TUNE board ...
Page 23: ...AVR250 SURROUND SOUND RECEIVER 25 MUTI board copper side ...
Page 24: ...AVR250 SURROUND SOUND RECEIVER 26 VIDEO board component side ...
Page 25: ...AVR250 SURROUND SOUND RECEIVER 22 PMAIN board component side PMAIN board copper side ...
Page 26: ...AVR250 SURROUND SOUND RECEIVER 23 AMP1 board component side AMP1 board copper side ...
Page 27: ...AVR250 SURROUND SOUND RECEIVER 24 MUTI board component side ...
Page 28: ...AVR250 SURROUND SOUND RECEIVER 27 VIDEO board copper side ...
Page 29: ...AVR250 SURROUND SOUND RECEIVER 28 RS232 board component side RS232 board copper side ...
Page 30: ...AVR250 SURROUND SOUND RECEIVER 29 TUNER SCHEMATIC DIAGRAM ...
Page 46: ... 45 AVR250 SURROUND SOUND RECEIVER MULTI CH BOARD U401 WM8770 ...