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AVR250
SURROUND SOUND RECEIVER
- 32 -
DWN.BY: XiaoXie
APP.BY:
MODEL: AVR250
DATE: 11/JUN/2004
DATE:
MAIN BOARD SCH
SHEET 9 OF 13
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
P105A
TO TUN BOARD J704B
1
2
3
4
5
6
7
8
9
10
11
12
P301A
TO AUDIO BOARD P301A
P0.3
40
P0.2
41
P0.1
42
P0.0
43
VCC
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
RS
T
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
GND
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
PSE
N
32
ALE
33
NC
34
EAVP
P
35
P0
.7
36
P0
.6
37
P0
.5
38
P0
.4
39
U102
P89C669FA
A0
1
A1
2
A2
3
VSS
4
SDA
5
SCL
6
WP
7
VCC
8
U103
24C08
VSYNC
C118
47u/16V
C119
20P
C120
20P
R154
10K
CR102
12M
T_MU
VSYNC
CE_PLL
R_DATA
R_SIG
W_RST
D_CL
D_DI
DATA
CLK
O_CS
FCS
8770
R159
3K9
R136
3K3
R135
3K3
R134
3K3
R130
3K3
R131
3K3
R133
3K3
SCS
INT1
INT2
CDOUT
DA5
CL2
R_CL
DA6
9273
CL3
RS1
RS2
P0.3
40
P0.2
41
P0.1
42
P0.0
43
VCC
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
RS
T
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
GND
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
PSE
N
32
ALE
33
NC
34
EAVP
P
35
P0
.7
36
P0
.6
37
P0
.5
38
P0
.4
39
U101
AT89C52
STAND
C115
10u/16V
C116
20P
C117
20P
R126
10K
CR101
12M
FMU
SUBMU
CMU
BSMU
SMU
ZV4
MON
CON
V_DIRE
VCR1M
B1-AMP
ZV2
RE2
POWER
RE3
RS2_A
RS1_A
DA_OUT
CE_PLL
CLK
DA_IN
RDS_CL
RDS_SI
RDS_DA
STEREO
SD
+12VT
T_MUTE
T_R
T_L
CD_R
TAPE_I_R
T_O_R
CD_L
T_O_L
TAPE_I_L
1
2
3
4
5
6
7
8
9
10
P802A
TO VIDEO BOARD P802
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
P111B
TO DSP BOARD P111B
1
2
3
4
5
6
7
8
9
10
11
12
P302A
FROM AUDIO BOARD P302A
TUN_R
TUN_L
CD_R
CD_L
A_MU
TAPE_O_L
DA5
CL2
-12V
CL3
TC9273
+12V
PVRM
VCRM
YUVDET
SDET
ZV1
ZV2
+9V
V_MU
PROG_DEE
D_RST
DOUT
D_DI
INT1
INT2
CDOUT
8415
SCS
FCS
D_CL
+5V_D
RS1_A
RS2_A
P1
-V
P2
AC4V
SD
+5V
C125
104
C126
104
+5VC
+5VC
Q112
C123
D_RST
D_DO
8415
PROG_DEE
STEREO
V_MU
DMU
R141
1K
R142 1K
R143 4K7
R144 4K7
R145 4K7
R146 4K7
R151 4K7
R152
4K7
R153
4K7
VCR2M
ZV5
ZV3
RGB
+3.3VD
+5VC
+20V
RS2
RS1
DATA
CLK
4094
BSMU
+20V
CMU
FMU_1
SMU
1
2
3
4
5
6
7
8
9
10
P104B
FROM AMP2 BOARD P104A
R155
3K9
Q113
C114
Q114
C114
PROG_A
PROG_B
GND8
GND8
GND8
GND8
GND8
GND8
GND8
GND8
GND11
GND12
GND13
GND14
GND14
GND11
GND9
GND5
O_CS
O_CLK
O_DATA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
P803A
TO VIDEO BOARD P803
ZV3
ZV4
ZV5
V_DIRE
VSYNC
-5V
+5VA
GND5
GND6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
P101B
TO KEY BOARD P101A
SDET
YUVDET
1
2
3
4
5
6
7
8
9
10
P805B
TO RS232 BOARD P805A
GND8
GND16
GND8
ZV1
GND8
PORT
PORT
+3.3VD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
P402A
TO MULTI BOARD P402A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
P403A
TO MULTI BOARD P403A
W_
R
S
T
CE
DI
CL
MC
L
K
BCL
K
LR
C
DIN4
DIN3
DIN2
DIN1
DOUT
BSMU
CMU
FMU
SMU
SUBMU
MON
T_IR
T_IL
CON
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
GND6
CLK
DATA
8770
W_RST
GND6
DOUT
DIN1
DIN2
DIN3
DIN4
MCLK1
BCLK
LRCLK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
P110B
TO DSP BOARD P110B
MC
L
K
BCL
K
LR
C
DIN4
DIN3
DIN2
DIN1
DOUT
DGND
DGND
DGND
DGND
DGND
DGND
DGND
GND6
DOUT
DIN1
DIN2
DIN3
DIN4
MCLK1
BCLK
LRCLK
+
20V
+
13V
PO
WE
R
RE
1
RE
2
RE
3
1
2
3
4
5
6
7
8
P803B
TO PMAIN BOARD P803A
GND16
RE2
RE3
GND8
+13V
+20V
POWER
AMU
TAPE_O_R
1
2
3
4
5
6
7
8
9
10
11
12
P106A
TO TUN BOARD J703B
GND8
RE1
RE1
R
112
3K
9
R
195
4K
7
R110
3K9
L_S0
L_S1
R158
3k9
Z_AMP
G_S0
G_S1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
P406A
TO MULTI BOARD P406A
G_S0
G_S1
T_OL
T_OR
Z_AMP
L_S0
L_S1
-12V
GND9
+12V
GND9
C141
220u/6V3
R165
3K9
+5VB
BI_AMP
INT
AC4V
FAN
FANGND
Q117
1241
R167
1K
Q118
1241
R168
1k
Q119
A114
D147
IN4148
O_MU
Q107
A114
R117
56K
CMU
C_MU
Q108
A114
R119
56K
BSMU
BS_MU
Q109
A114
R121
56K
SMU
S_MU
Q110
A114
R123
56K
FMU
F_MU
-12V
Q106
A114
R115
56K
SUBMU
-12V
Vin
1
GND
2
+5V6
3
U109
78M56
C123
1000u/10V
D122
1N4004
+5VC
+13V
C124
1000u/10V
GND6
GND6
GND6
GND6
GND6
GND8
Q115
A114
GND6
A_MU
AMU
R157
1K5
Z104
5V1
C140
100u/16V
GND6
D107
1N4004
D108
1N4004
D119
1N4004
D121
1N4004
D129
1N4148
D130
1N4148
D131
1N4148
D132
1N4148
C142
2200u/25V
Q101
C123
D133
1N4148
D134
1N4148
D135
1N4148
D136
1N4148
D137
1N4148
D138 1N4148
D139
1N4148
D140
1N4148
GND8
DET
R148
1K2/0.25W
R147
3K
R109
100/1W
O_MU
SUB_MU
D120
IN4004
C110
1000u/25V
C101
4700u/25V
C102
1000u/25V
D103
IN4004
D104
IN4004
D101
IN4004
D102
IN4004
D106
IN4004
D105
IN4004
D111
IN4004
D109
IN4004
D112
IN4004
D110
IN4004
Vin
1
GND
2
+12V
3
U105
LM7812
Vin
2
GND
1
-12V
3
U104
LM7912
C103
47u/16V
C104
47u/16V
+12V
-12V
C107
47u/50V
C106
100u/50V
R102
200
Z101
27V
R101
3k
-27V
C121
3300u/16V
+5VA
C112
2200u/10V
Vin
1
GND
2
+5V
3
U106
LM7805
D113
1N4004
D116
1N4004
D114
1N4004
D115
1N4004
+5V_D
AC1
AC2
C114
1000u/6V3
+3.3VD
R107
470
R108
220
C113
104
D117
1N4148
D118
1N4148
C111
3.3u/16V
R106
470
R105
1K5
Z102
5V1
STAND
C127
104
C128
104
C129
104
C130
104
C131
104
R128
470
R129
470
Z103
5V1
L101
10uH
GND5
GND6
GND6
GND7
GND7
GND8
1
2
3
4
5
6
7
8
9
10
11
12
P120
FROM TRANSFORMER
Vin
2
GND
1
-5V
3
U110
LM7905A
C133
1000u/25V
-5V_V
D123
IN4004
D124
IN4004
D126
IN4004
D125
IN4004
C134
220u/25V
+20V
GND8
GND9
Vin
1
GND
2
+10V
3
U111
LM7810
+9V
GND5
GND13
Q116
C114
DMU
C135
470u/10V
C136
1000u/6V3
C137
1000u/6V3
C105
104
C108
104
C138
100u/16V
C139
100u/16V
D127
1N4004
Vin
1
GND
2
+5V
3
U112
LM7805
+5VB
D128
1N4004
DET
D141
1N4004
D142
1N4004
D143
1N4004
D144
1N4004
D145
1N4004
D146
1N4004
1
2
3
P300
TO HP_BOARD
R149
680
R166
10K
IN
2
G
1
OUT
3
U108
LM317
Vin
1
GND
2
+5V6
3
U107
78M56
R111
3K9
R161
2K
R160
2K
R162
2K
R163
2K
R164
2K
R116
2K
1
2
P107
TO FAN1
1
2
P108
TO FAN2
R140
3K9
C144
470u/16V
C143
470u/16v
C145
470u/16V
TC9273-010
TC2973-010
R172
56K
-12V
R171
56K
R170
1K5
Q120
C123
Q121
A114
GND6
FMU_1
H_RELAY
R169
56K
C146
10u/50V
H_RELAY
+5VC
R173
3K3
R174
3K3
R175
3K3
R176
3K3
R177
3K3
R178
3K3
R179
3K3
R180
3K3
+5VC
TAPE_I_R
TAPE_I_L
C147
10u/16V
R185
3K3
RS2_A
RS1_A
R186 3K3
R118
3K9
R124
3K9
R182
0.22/1W
R183
0.22/1W
R184
0.22/1W
D149
1N4002
D148
1N4002
D151
1N4002
D150
1N4002
R103
10K/0.25W
C109
104
+13V
R187
4.7
R188
470
C148
10u/16V
Q122
C2229
Q123
C114
Q124
A1015
Z105
13V
GND8
+12VD
C149
10u/16V
+12VD
R181 3K3
RGB
ISSUE: A
GND8
R
191
4K
7
R
190
4K
7
R
192
4K
7
R
193
4K
7
R
194
4K
7
R
156
3K
9
D152
1N4002
+5VA
R114
3K9
+5VA
R113
3K9
+5VA
R150
3K9
ARCAM Sound & Vision.
MAIN
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 ...