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AVR250
SURROUND SOUND RECEIVER
A
RCA
M
Sound &
V
ision.
DW
N.
B
Y
: Xi
ao
Xi
e
A
PP.B
Y
:
M
ODEL
: AVR
250
DA
TE
:11/J
U
N
/2004
ISSUE:
A
AUDIO SCH
SH
EET
3 OF
13
SA
T
_
R
SA
T
_
L
AV
_
L
PV
R
_
L
DVD_L
DVD_R
C
3020
10u/16V
VS
S
1
S1
2
S2
3
S3
4
S4
5
S5
6
S6
7
S7
8
S8
9
S9
10
S1
0
11
S1
1
12
GN
D
13
CK
14
DA
TA
15
ST
B
16
S1
1
17
S1
0
18
S9
19
S8
20
S7
21
S6
22
S5
23
S4
24
S3
25
S2
26
S1
27
VDD
28
U
3001
TC
9273-
004
R
3031
100K
R
3032
100K
C
3014
221
C
3013
221
R
3029
100
R
3030
100
R
3023
100K
R
3024
100K
C
3012
221
C
3011
221
R
3021
300R
R
3022
300R
R
3019
100K
R
3020
100K
C
3010
221
C
3009
221
R
3017
220
R
3018
220
R
3015
100K
R
3016
100K
C
3008
221
C
3007
221
R
3013
220
R
3014
220
R
3011
100K
R
3012
100K
C
3006
221
C
3005
221
R
3009
220
R
3010
220
R
3007
100K
R
3008
100K
C
3004
221
C
3003
221
R
3005
220
R
3006
220
R
3003
100K
R
3004
100K
C
3002
221
C
3001
221
R
3001
220
R
3002
220
R
3025
300R
Q3001
1241
C
3019
10u/16V
IN
1
1
OU
T1
2
GN
D
3
DA
TA
4
CL
K
5
VC
C
6
OU
T2
7
IN
2
8
U
3002
M
62429F
P
R
3026
300R
A_
M
U
Q3002
1241
CL
2
DA
5
TC
9273-
001
DA
5
CL
3
by
1
bx
2
cy
3
c_
o
4
cx
5
IN
H
6
VEE
7
VS
S
8
C
9
B
10
A
11
ax
12
ay
13
a_
o
14
b_o
15
VC
C
16
U
3003
74HC
4053
R
3037
100K
R
3038
100K
C
3016
221
C
3015
221
R
3035
100
R
3036
100
by
1
bx
2
cy
3
c_
o
4
cx
5
IN
H
6
VEE
7
VS
S
8
C
9
B
10
A
11
ax
12
ay
13
a_
o
14
b_o
15
VC
C
16
U
3004
74HC
4053
V
CRM
PV
R
M
A_
M
U
TU
N_R
TU
N_L
CD
_
R
V
CRM
+
12V
TC
9273-
001
1
2
3
4
5
6
7
8
9
10
11
12
P
302A
TO M
A
IN
B
O
A
R
D P
302A
CD
_
L
R
3041
330
R
3042
330
Z
3002
4V7
Z
3001
4V7
C
3022
10u/16V
C
3021
10u/16V
C
3024
10u/16V
C
3023
10u/16V
-12V
+
12V
+
12V
-12V
C
3137
220u/16V
C
3138
220u/16V
DVD_R
DVD_L
SAT
_R
SAT
_L
AV_R
AV_L
PVR_
R
PVR_
L
VCR_
R
VCR_
L
CD
_
R
TU
N_R
CD
_
L
+
50V
TU
N_L
C
3041
10u/16V
R
3063
470 1/4W
Z
3003
5V1
Q3003
1241
Q3004
1241
D3010 1N4148
D3011
1N4148
D3012
1N4148
D3013
1N4148
D3014
1N4148
D3015
1N4148
D3016
1N4148
D3017
1N4148
TA
P
E
_O_L
TA
P
E
_O_R
CL
3
PV
R
M
CL
2
DA
5
-12V
Z_
R
Z_
L
Z_
L
Z_
R
8
4
U
3005C
NE5532
8
4
U
3010C
NE5532
V
CR_
R
V
CR_
L
PV
R
_
R
AV
_
R
C
3052
104
C
3051
104
C
3054
104
C
3053
104
VA
301A
DVD_L
VA
301B
DVD_R
VA
301C
SA
T
_
L
VA
301D
SA
T
_
R
VA
301E
AV
_
L
VA
301F
AV
_
R
VA
302A
PV
R
_
L
VA
302B
PV
R
_
R
VA
302C
PV
R
_
O
L
VA
302D
PV
R
_
O
R
VA
302E
V
CR_
L
VA
302F
V
CR_
R
VA
303A
V
CR_
O
L
VA
303B
V
CR_
O
R
VA
303C
Z
ONE2_OL
VA
303D
Z
ONE2_OR
TU
N_R
TU
N_L
CD
_
L
CD
_
R
TA
P
E
_I
_R
TA
P
E
_I
_L
3
2
1
U
3009A
NF
5
6
7
U
3009B
NF
R
3188
0 ohm
R
3189
0 ohm
R
3190
0 ohm
R
3191
0 ohm
VS
S
1
S1
2
S2
3
S3
4
S4
5
S5
6
S6
7
S7
8
S8
9
S9
10
S1
0
11
S1
1
12
GN
D
13
CK
14
DA
TA
15
ST
B
16
S1
1
17
S1
0
18
S9
19
S8
20
S7
21
S6
22
S5
23
S4
24
S3
25
S2
26
S1
27
VDD
28
U3
0
0
6
TC
9273-
010
R
3119
100K
R
3120
100K
C
3110
221
C
3109
221
R
3117
220
R
3118
220
R
3115
100k
R
3116
100K
C
3108
221
C
3107
221
R
3113
220
R
3114
220
R
3111
100K
R
3112
100K
C
3106
221
C
3105
221
R
3109
220
R
3110
220
R
3107
100K
R
3108
100K
C
3104
221
C
3103
221
R
3105
220
R
3106
220
R
3103
100K
R
3104
100K
C
3102
221
C
3101
221
R
3101
220
R
3102
220
TC
9273-
010
DA
5
CL
3
+1
2
V
-12V
CD
_
R
TU
N_R
CD
_
L
TU
N_L
TA
P
E
_I
_R
TA
P
E
_I
_L
1
2
3
4
5
6
7
8
9
10
11
12
P
404B
TO M
U
TI
B
O
A
R
D P
404A
3
2
1
U
3005A
NE5532
C
3039
10u/16V
5
6
7
U
3005B
NE5532
C
3040
10u/16V
R
3096
20K
R
3097
10K
R
3098
20K
R
3099
10K
1
2
3
4
5
6
7
8
9
10
11
12
P
301A
TO M
A
IN
B
O
A
R
D P
301A
TC
9273-
010
An
a
log_
L
An
a
log_
R
TA
P
E
_O_R
TA
P
E
_O_L
3
2
1
U
3010A
NE5532
5
6
7
U3
010B
NE5532
R
3080
100R
R
3079
100R
3
2
1
U
3007A
NE5532
5
6
7
U
3007B
NE5532
TA
P
E
_I
_R
TA
P
E
_I
_L
-12V
+
12V
8
4
U
3007C
NE5532
8
4
U
3009C
NF
C
3042
104
C
3043
104
C
3045
NF
C
3044
NF
R
3183
1M
0 M
F
R3
1
8
4
1M
0 M
F
R
3082
1M
0 M
F
R
3081
1M
0 M
F
C
3050
NF
C
3049
NF
3
2
1
U
3008A
NE5532
5
6
7
U
3008B
NE5532
R
3095
24K
R
3094
47K
R
3092
47K
R
3093
24K
R3
1
8
5
0R
0 0805
R
3186
0R
0 0805
No
t Fi
tte
d
No
t Fi
tte
d
8
4
U
3008C
NE5532
C
3047
104
C
3046
104
C
3135
10u/16V
C
3136
10u/16V
TA
P
E
_O_R
TA
P
E
_O_L
AUDIO
Содержание DiVA AVR250
Страница 4: ... 3 AVR250 SURROUND SOUND RECEIVER ADJUSTMENT POINTS DIAGRAM AMP1 board ...
Страница 5: ...AVR250 SURROUND SOUND RECEIVER 4 AMP2 board TUNER board OSC RF VT ...
Страница 6: ... 5 AVR250 SURROUND SOUND RECEIVER VIDEO board ...
Страница 12: ... 11 AVR250 SURROUND SOUND RECEIVER KEY board PCB LAYOUT ...
Страница 13: ...AVR250 SURROUND SOUND RECEIVER 12 AMP2 board component side ...
Страница 14: ... 13 AVR250 SURROUND SOUND RECEIVER AMP2 board copper side ...
Страница 16: ... 15 AVR250 SURROUND SOUND RECEIVER AUDIO board copper side VOL board PHONE board ...
Страница 18: ... 17 AVR250 SURROUND SOUND RECEIVER CON2 board component side CON2 board copper side PSU board ...
Страница 19: ...AVR250 SURROUND SOUND RECEIVER 18 DSP board component side ...
Страница 20: ... 19 AVR250 SURROUND SOUND RECEIVER DSP board copper side ...
Страница 21: ...AVR250 SURROUND SOUND RECEIVER 20 MAIN board ...
Страница 22: ... 21 AVR250 SURROUND SOUND RECEIVER TUNE board ...
Страница 23: ...AVR250 SURROUND SOUND RECEIVER 25 MUTI board copper side ...
Страница 24: ...AVR250 SURROUND SOUND RECEIVER 26 VIDEO board component side ...
Страница 25: ...AVR250 SURROUND SOUND RECEIVER 22 PMAIN board component side PMAIN board copper side ...
Страница 26: ...AVR250 SURROUND SOUND RECEIVER 23 AMP1 board component side AMP1 board copper side ...
Страница 27: ...AVR250 SURROUND SOUND RECEIVER 24 MUTI board component side ...
Страница 28: ...AVR250 SURROUND SOUND RECEIVER 27 VIDEO board copper side ...
Страница 29: ...AVR250 SURROUND SOUND RECEIVER 28 RS232 board component side RS232 board copper side ...
Страница 30: ...AVR250 SURROUND SOUND RECEIVER 29 TUNER SCHEMATIC DIAGRAM ...
Страница 46: ... 45 AVR250 SURROUND SOUND RECEIVER MULTI CH BOARD U401 WM8770 ...
Страница 87: ...PEMBROKE AVENUE WATERBEACH CAMBRIDGE CB5 9PB ENGLAND www arcam co uk Sep 01 2004 P N AL060C SM00A ...