- 37 -
AVR250
SURROUND SOUND RECEIVER
ARCAM
Sound &
Vision
DW
N.
B
Y
: Xi
ao
Xi
e
A
PP.B
Y
:
M
ODEL
: AVR
250
DA
TE
:11/J
U
N
/2004
DAT
E:
ISSUE:
A
KE
Y
S
C
H
SH
EET
1 OF
13
SG
5
1
SG
6
2
SG
7
3
SG
8
4
SG
9
5
SG
1
0
6
SG
1
1
7
SG
1
2
8
SG
1
3
9
SG
1
4
10
SG
1
5
11
SG
1
6
12
SG
1
7
13
SG
1
8
14
SG
1
9
15
SG
2
0
16
SG2
1
17
SG2
2
18
SG2
3
19
SG2
4
20
SG2
5
21
SG2
6
22
SG2
7
23
SG2
8
24
SG2
9
25
SG3
0
26
SG3
1
27
SG3
2
28
SG3
3
29
SG3
4
30
SG3
5
31
GR1
32
GR
2
33
GR
3
34
GR
4
35
GR
5
36
GR
6
37
GR
7
38
GR
8
39
GR
9
40
GR
1
0
41
GR
1
1
42
GR
1
2
43
GR
1
3
44
GR
1
4
45
GR
1
5
46
GR
1
6
47
VEE
48
VSS
49
OSC
I
50
OSC
O
51
RSTB
52
CSB
53
CLK
B
54
DIN
55
VDD
56
P1
57
P2
58
AD2
59
AD1
60
SG1
61
SG2
62
SG3
63
SG4
64
U
1001
PT
6302
F
1
F
2
P36
3
P35
4
P34
5
P33
6
P32
7
P31
8
P30
9
P29
10
P28
11
P27
12
P26
13
P25
14
P24
15
P23
16
P22
17
P21
18
P20
19
P19
20
P18
21
P17
22
P16
23
P15
24
P14
25
P13
26
P12
27
P11
28
P10
29
P9
30
P8
31
P7
32
P6
33
P5
34
P4
35
P3
36
P2
37
P1
38
14G
39
13G
40
12G
41
11G
42
10G
43
9G
44
8G
45
7G
46
6G
47
5G
48
4G
49
3G
50
2G
51
1G
52
F
53
F
54
VF
101
29-
1403F
P0
.3
40
P0
.2
41
P0
.1
42
P0
.0
43
VC
C
44
NC
1
P1
.0
2
P1
.1
3
P1
.2
4
P1
.3
5
P1
.4
6
P1.5
7
P1.6
8
P1.7
9
RST
10
P3.0
11
NC
12
P3.1
13
P3.2
14
P3.3
15
P3.4
16
P3.5
17
P3
.6
18
P3
.7
19
X2
20
X1
21
GN
D
22
NC
23
P2
.0
24
P2
.1
25
P2
.2
26
P2
.3
27
P2
.4
28
P2.5
29
P2.6
30
P2.7
31
PSEN
32
ALE
33
NC
34
EAVPP
35
P0.7
36
P0.6
37
P0.5
38
P0.4
39
U
1002
AT
89C
52
C
1001
20P
C
1002
20P
CR
1001
12M
SW
1024
DI
R
E
CT
SW
1025
DI
S
P
L
A
Y
SW
1026
MU
T
E
SW
1006
RD
S IN
FO
SW
1019
CD
SW
1020
FM
SW
1021
AM
SW
1014
SA
T
SW
1015
AV
SW
1016
V
CR1
SW
1009
M
ODE
SW
1010
BA
SS
SW
1011
ME
N
U
SW
1003
PR
E
S
ET
SW
1004
ST
O
R
E
SW
1005
FM MU
T
E
SW
1022
EXT7.
1
SW
1023
Z
ONE2
SW
1017
V
CR2
SW
1018
TA
P
E
SW
1012
OK
SW
1013
DVD
SW
1007
TR
EB
L
E
SW
1008
E
FFE
CT
SW
1001
UP
SW
1002
DOW
N
SG
1
SG
2
SG
3
SG
4
SG
5
SG
6
SG
7
SG
8
SG
9
SG
1
0
SG
1
1
SG
1
2
SG
1
3
SG
1
4
SG
1
5
SG
1
6
SG
1
7
SG
1
8
SG
1
9
SG
2
0
SG2
1
SG2
2
SG2
3
SG2
4
SG2
5
SG2
6
SG2
7
SG2
8
SG2
9
SG3
0
SG3
1
SG3
2
SG3
3
SG3
4
SG3
5
SG
0
SG0
GR1
GR
1
GR2
GR3
GR4
GR5
GR6
GR7
GR8
GR9
GR10
GR11
GR12
GR13
GR14
GR
2
GR
3
GR
4
GR
5
GR
6
GR
7
GR
8
GR
9
GR
1
0
GR
1
1
GR
1
2
GR
1
3
GR
1
4
AC
4
V
1
AC
4
V
2
LE
1011
Z
one
2
LE
1013
Mu
te
LE
1012
Di
rect
LE
1015
LE
D
LE
1010
LE
D
R
1001
100
R
1004
100
R
1009
100
R
1020
20
1
2
3
IR
801
R
1015
470
C
1003
47u/16V
1
2
3
P
1001A
P3
VOL1
VOL2
1
2
3
V690
ENC
ODER
1
2
3
P
1001B
VOL
UM
E B
OAR
D
Q1001
C
123
Q1002
C
123
+5v
AC
4
V
1
AC
4
V
2
C
1004
47P
R
1016
3K3
R
1017
1K
C
1005
103
C
1006
103
C
1007
47u/6V3
C
1008
100u/50V
C
1009
103
C
1010
104
Q1003
C
123
SG1
SG2
SG3
SG4
SG5
SG6
SG7
SG8
SG9
SG1
0
SG1
1
SG1
2
SG1
3
SG1
4
SG1
5
SG1
6
SG1
7
SG1
8
SG1
9
SG2
0
SG2
1
SG2
2
SG2
3
SG2
4
SG2
5
SG2
6
SG2
7
SG2
8
SG2
9
SG3
0
SG3
1
SG3
2
SG3
3
SG3
4
SG3
5
C
1011
10u/16V
R
1018
10K
+5V
GND
IR IN
GND
IROUT
SD
E
T
YU
VDET
RS1
RS2
-V
YU
VDET
SD
E
T
P
1002A
P2
A
R
1019
10K
C
1012
470u/6V3
P1
P2
P2
P1
1
2
3
P
102A
P3
1
2
3
P
102B
P3
LE
D
B
OAR
D
1
2
3
4
5
6
P
205B
TO R
S
232 B
O
A
R
D
SD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
P
101A
15P
RS1
RS2
RS2
RS1
R
1022
4K7
R
1023
4K7
R
1024
4K7
SD
R
1025
4K7
C
1014
103
C
1015
103
C
1016
470u/6V3
C
1013
470u/6V3
R
1026
4K7
R
1027
NF
R
1028
4K7
R
1029
4K7
A
114
Q1005
Q1004
C
114
R
1030
10K
KEY
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 ...