Arcam Diva AVR-250 Schematic
AVR250
Downloaded from http://receiverfaq.ru/
AVR250 Circuit diagrams
321
C1002
LE1010
LED
LE1015
LED
LED BOARD
YUVDET
SDET
20P
VF101
29-1403F
F1F2P363P354P345P336P327P318P309P2910P2811P2712P2613P2514P2415P2316P2217P2118P2019P1920P1821P1722P1623P1524P1425P1326P1227P1128P1029P930P831P732P633P534P435P336P237P13814G3913G4012G4111G4210G439G448G457G466G475G484G493G502G511G52F53F
AC4V1 AC4V2
Q1004
SG0
Q1005
A114
C114
C1014
103
C1015
103
SG30
SG31
SG32
SG33
SG34
SG35
C1008
100u/50V
C1006
103
SG24
SG25
SG26
SG27
SG28
SG29
GR1
GR2
GR3
GR4
GR5
GR6
GR7
GR8
GR9
GR10
GR11
GR12
GR13
GR14
SG18
SG19
SG20
SG21
SG22
SG23
32
33
GR2
34
GR3
35
GR4
36
GR5
37
GR6
38
GR7
39
GR8
40
GR9
41
GR10
42
GR11
43
GR12
44
GR13
45
GR14
46
GR15
47
GR16
48
VEE
R1016
3K3
C1004
47P
SG12
SG13
SG14
SG15
SG16
SG17
SG30
SG31
SG32
SG33
SG34
SG35
31
GR1
PT6302
VSS49OSCI50OSCO51RSTB52CSB53CLKB54DIN55VDD56P157P258AD259AD160SG161SG262SG363SG4
R1017
1K
C1010
104
SG6
SG7
SG8
SG9
SG10
SG11
SG24
SG25
SG26
SG27
SG28
SG29
P2
P1
GR1
GR2
GR3
GR4
GR5
GR6
GR7
GR8
SG1
SG2
SG3
SG4
SG5
SG21
SG22
SG23
U1001
SG2117SG2218SG2319SG2420SG2521SG2622SG2723SG2824SG2925SG3026SG3127SG3228SG3329SG3430SG35
16
SG20
15
SG19
14
SG18
13
SG17
12
SG16
11
SG15
10
SG14
9
SG13
8
SG12
7
SG11
6
SG10
5
SG9
4
SG8
3
SG7
2
SG6
1
SG5
64
GR9
SG20
SG19
SG18
SG17
SG16
SG15
SG14
SG13
SG12
SG11
SG10
SG9
SG8
SG7
SG6
SG5
SG4
SG3
SG2
SG1
SG0
P102A
1
2
3
P3
D
LE1011
Zone2
R1001
100
R1026 4K7
R1027 NF
R1028
R1029
C
R1023
R1024
R1025
4K7
4K7
4K7
B
R1022
4K7
LE1013
Mute
R1004
100
4K7
4K7
C1013
470u/6V3
C1007
47u/6V3
LE1012
R1009
Direct
100
40
41
42
43
44
1
2
3
4
5
6
C1011
10u/16V
C1005
103
R1020
20
35
34
39
NC
P0.736P0.637P0.538P0.4
P0.3
P0.2
P0.1
P0.0
VCC
NC
P1.0
P1.1
P1.2
P1.3
P1.4
EAVPP
AT89C52
P1.57P1.68P1.79RST10P3.011NC12P3.113P3.214P3.315P3.416P3.5
R1018
10K
Q1001
C123
33
32
31
P2.529P2.630P2.7
ALE
PSEN
P2.4
P2.3
P2.2
P2.1
P2.0
GND
P3.7
P3.6
17
RS1
RS2
R1030
P102B
3
2
1
P3
Q1003
C123
Q1002
C123
U1002
28
27
26
25
24
23
NC
22
21
X1
20
X2
19
18
CR1001
12M
C1001
20P
SD
R1019
P1002A
P2A
10K
10K
4
D
54
GR10
GR11
GR12
GR13
GR14
C
IR801
1
R1015
C1003
47u/16V
2
470
3
B
SW1022
EXT7.1
SW1023
ZONE2
SW1024
DIRECT
SW1025
A
DISPLAY
SW1026
MUTE
SW1017
VCR2
SW1018
TAPE
SW1019
CD
SW1020
FM
SW1021
AM
1 2 3 4
SW1012
SW1013
DVD
SW1014
SAT
SW1015
SW1016
VCR1
SW1007
OK
AV
TREBLE
SW1008
EFFECT
SW1009
MODE
SW1010
BASS
SW1011
MENU
SW1001
UP
SW1002
DOWN
SW1003
PRESET
SW1004
STORE
SW1005
FM MUTE
SW1006
RDS INFO
VOL1
VOL2
123
P1001A
P3
P1001B
V690
ENCODER
123
1
2
3
VOLUME BOARD
SD
P2
P1
AC4V1
AC4V2
123456789101112131415
P101A
15P
C1009
103
RS1
+5v
-V
C1016
C1012
470u/6V3
470u/6V3
RS1
YUVDET
RS2
SDET
RS2
ARCAM Sound & Vision
MODEL: AVR250
KEY SCH
DWN.BY: Xiao Xie
APP.BY:
+5V
GND
IR IN
GND
IROUT
12345
6
P205B
TO RS232 BOARD
SHEET 1 OF 13
ISSUE: A
DATE :11/JUN/2004
DATE:
A
1110987654321
12
+12V
-12V
D
P404A
12
C
B
A
FROM AUD BOARD P 404B
VA402A
EXT_CIN
VA402B
EXT_SUBIN
VA401A
EXT_RIN
VA401B
EXT_LIN
VA401C
220u/16V
EXT_SRIN
RUBYCON
VA401D
EXT_SLIN
220u/16V
RUBYCON
VA401F
EXT_BSLIN
VA401E
EXT_BSRIN
ZONE_L
11
10
ZONE_R
9
8
Analog_L
7
6
Analog_R
5
4
3
2
1
C408
220u/16V
RUBYCON
C405
220u/16V
RUBYCON
R403
5K1
R404
5K1
R601
5K1
R600
5K1
C401
R401
5K1
E_SR
C402
R402
5K1
E_SL
D206
D207
1N4148
1N4148
R406
5K1
R407
5K1
D205
D208
1N4148
1N4148
-4V7
C543
104
1 2 3 4 5 6 7 8 9 10 11 12
U406C
NE5532
NE5532
84
84
R585
Not fitted
12K
R586
Option in case bypass does not work
12K
Not fitted
R408
12K
R405
12K
RUBYCON
C541
220u/16V
1
2
3
4
5
ZONE_L
6
7
U407C
FMU
SMU
BSMU
CMU
SUBMU
MON
E_Z_L
U419
Y0
Y2
Y
Y3
Y1
EN
Vee
VSS8S1
74HC4052
U408C
NE5532
84
P402A
FROM MAIN BOARD P402A
-4V7
16
VDD
15
X2
14
X1
13
X
12
X0
11
X3
10
S0
9
R410 5K1
R532
R534 20K
R531
C544
104
U411C
U412C
U410C
U409C
NE5532
NE5532
NE5532
84
84
84
84
10111213141516
W RST
DGND
Nd
Nd
+4V7
U418
1
Y0
VDD
10K
2
Y2
X2
3
Y
X1
4
Y3
X
2K4
5
Y1
X0
6
EN
X3
7
Vee
S0
C526
VSS8S1
104
74HC4052
C414
220u/16V
RUBYCON
C413
220u/16V
RUBYCON
Z_AMP BI_AMP
DVD_A 0
ZONE2 1
DVD_LR 0
+4V7
ZONE_R
E_Z_R
C542
220u/16V
R540
RUBYCON
1k
Z_AMP
R602
1k
BI_AMP
C547
C570
104
104
NE5532
CEDICL
16
15
14
13
12
11
10
9
C525
104
R533 10K
R530 2K4
R411 5K1
R535 20K
C545
103
C500
C502
C504
C506
C508
C510
U413C
104
104
C501
104
DGND
L_S0
L_S1
2V IN 0
4V IN 0
1V IN 1
0.5V IN 1
C503
104
P403A
FROM MAIN BOARD P403A
R479
2K
1
AIN1L
2
AOM1R
3
AOM2L
4
AIN2R
5
AIN3L
6
AIN3R
7
AOM4L
8
AOM4R
9
AIN5L
10
AIN5R
11
AIN6L
12
AIN6R
13
AIN7L
14
AIN7R
15
AIN8L
16
AIN8R
L_S1 L_S0
104
C505
104
DGND
MCLK2
R478
33
64
+12V
+12V
100u/16V
SHOEI
-12V
C507
BCLK
63
CE
RES
APL17AINVGL18AINVGR19AINOPR20RECL21RECR22REFADC23VMIDADC24AGND25AVDD126AUX1L27AUX1R28AUX2L29AUX2R30AUX3L31A3R
0
1
0
1
C497
NE5532
84
123456789
R537 1K
R538 1K
C546
103
0
0
1
104
104
DGND
62
LRC
61
DI
C415
10u/16V
SHOEI
100R / 1/4W
C498
47u/16V
CL
R536
330/1/8W
330/1/8W
DGND
60
R413
C410
47u/16V
SHOEI
47u/16V
R412
104
C509
104
10111213141516
DIN4
59
BCLK
MCLK
WM8770
C417
104
1
100u/16V
R611
1K
C409
SHOEI
R612
1K
DGND
C512
C514
C522
104
104
104
104
C511
C513
C515
C523
104
104
104
104
Gain
G_S1 G_S 0
40
0
20
1
11
0
0.5 1
1
123456789
DIN2
C418
KTC8050
Q418
CON
DGND
DGND
DIN1
DOUT
R499
R635
100
47K
C438
220u/16V
BSR
RUBYCON
C442
220u/16V
BSL
RUBYCON
R409
33
+3.3VD
C429
2200u/10V
SHOEI
C430
51
52
DIN153DIN254DIN355DIN4
DOUT
ZFLAG150ZFLAG2
VOUT4R
VOUT4L
DACREFP2
VOUT3R
VOUT3L
VMIDDAC
VOUT2R
VOUT2L
DACREFP1
VOUT1R
VOUT1L
3
3V3
20mA supply 3.3v
G
2
3
+5V
GND
C425
2
Q417
C578
Z402
47u/16V
4V7
SHOEI
Z401
C580
47u/16V
4V7
SHOEI
103
49
48
DG
DVDD
47
AGND2
SUB
46
CEN
45
44
BSR
43
42
GR2
BSL
41
40
SR
39
38
GR1
37
SL
36
FR
35
FL
34
33
AVDD2
C422
C424
104
104
C423
32
22u/16V
ELNA
C421
104
C420
10u/16V
SANYO
E_Z_R
E_Z_L
E_SR
E_SL
C433
220u/16V
C428
1000u/6V3
SHOEI
RUBYCON
+3.3VD
C426
C427
47u/16V
104
104
SHOEI
+4V7
C579
103
C581
103
-4V7
-4V7
C446
220u/16V
SR
RUBYCON
C450
220u/16V
SL
RUBYCON
C454
220u/16V
CEN
RUBYCON
-4V7
C458
220u/16V
FR
RUBYCON
C462
220u/16V
FL
RUBYCON
SUB
-4V7
R632
NF
1K5
R581
R583
3K9
+12V
-12V
L_S1
L_S0
123456789101112131415
P406A
FROM MAIN BOARD P406A
DGND
DIN3
58
56
DACLRC57ADCLRC
U401
C419
104
C416
22u/16V
104
ELNA
U625
LM3.3
1
Vin
U405
LM7805
Vin
C498
SHOEI
KTC8550
R541
R542
R543
R544 20K
-4V7
R551 6K8
R552 3k3
R553 22K
R554 20K
R561 6K8
R562 3k3
R563 22K
R564
R571
R572 3k3
R573 22K
R574 20K
C566 271
6
5
C565
104
AGND
1
6K8
2
3k3
3
22K
4
5
6
7
C550
104
1
2
3
4
5
6
7
C553
104
1
2
3
4
20K
5
6
7
C557
104
1
6K8
2
3
4
5
6
7
C561
104
R582
20K
U409B
NE5532
7
DGND
U420
Y0
Y2
Y
Y3
Y1
EN
Vee
VSS8S1
74HC4052
Y0
Y2
Y
Y3
Y1
EN
Vee
VSS8S1
U422
Y0
Y2
Y
Y3
Y1
EN
Vee
VSS8S1
74HC4052
Y0
Y2
Y
Y3
Y1
EN
Vee
VSS8S1
R631
10K
U421
74HC4052
74HC4052
U423
Z_AMP
Nd
Nd
C549
104
16
VDD
15
X2
14
X1
13
X
12
X0
11
X3
10
S0
9
C554
104
16
VDD
15
X2
R556
14
X1
20K
13
X
R557
12
X0
22K
11
X3
10
S0
9
C558
104
16
VDD
15
X2
14
X1
13
X
12
X0
11
X3
10
S0
9
C562
104
16
VDD
15
X2
14
R576
X1
13
X
12
R577
X0
22K
11
X3
10
S0
9
R416
R415
22K
2K
C431
223
BI_AMP
G_S1
G_S0
16
R623
10K
C680
100u/50V
TO GND
SHOEI
+4V7
R545 6K8
R546 20K
22K
R547
R548 3k3
G_S0
R549 1K
G_S1
1K
R550
+4V7
R555 6K8
R559 1K
1K
R560
+4V7
1K
R569
R570
1K
+4V7
R575
6K8
20K
R579 1K
R580 1K
5
6
R424
5K1
R428
5K1
R558
R432
3k3
G_S0
G_S1
G_S0
G_S1
G_S0
G_S1
5K1
R436
5K1
R440
5K1
R565
6K8
R566
20K
R567
22K
R568
3k3
R444
5K1
R448
5K1
R578
3k3
C432
104
C499
U408B
NE5532
470u/16V
7
RUBYCON
R418
1K
-4V7
R426 20K C466 220p
47p
C441
2
1
3
U406A
R425
3K9
R429
3K9
R433
3K9
R437
3K9
R441
3K9
R445
3K9
NE5532
R624
C440
10K
104
R430 20K C467 220p
C445 47p
6
7
5
U406B
R625
NE5532
C444
10K
104
R434 20K
47p
C449
2
1
3
U407A
R626
NE5532
10K
C448
104
R438 20K C469 220p
C453 47p
6
7
5
U407B
R627
NE5532
10K
C452
104
R442
20K
C457
47p
2
1
3
U409A
R628
NE5532
10K
C456
104
R446 20K C471 220p
C461
47p
2
1
3
U412A
R629
NE5532
10K
C460
104
R450 20K
C465 47p
6
7
5
U412B
R630
U403
by
bx
cy
c_o
cx
INH
VEE
VSS8C
74HC4053
10K
NE5532
C464
104
C435
104
16
VCC
R419
15
b_o
14
a_o
R420 4K7
13
ay
12
ax
11
A
10
B
9
R449
3K9
1
2
3
4
5
6
7
C434
104
R427
R452 4K7
4K7
2
3
R453
0
R455 4K7
R431
4K7
6
5
R456
0
C468 220p
R458 4K7
R435
4K7
2
3
R459
0
R461 4K7
R439
6
4K7
5
R462
0
C470 220p
R464
R443
4K7
2
3
R465
0
R447
4K7
R451
4K7
+4V7
4K7
R467
2
3
R468
0
C472 220p
6
5
R471
0
U404
1
by
2
bx
R421
3
cy
1K
4
c_o
5
cx
6
INH
7
VEE
VSS8C
74HC4053
C436
104
P105B
TO AMP1 BOARD P104A1
1234567
AMP GND
AMP GND
BSL
NPO
1
U410A
NE5532
R454
0
NPO
7
U410B
NE5532
R457
0
NPO
1
U411A
NE5532
R460
0
NPO
7
U411B
NE5532
R463
0
NPO
4K7
1
U408A
NE5532
R466
0
NPO
4K7
1
U413A
NE5532
R469
0
NPO
R470
4K7
7
U413B
NE5532
R472
0
C437
104
16
VCC
R422
15
b_o
4K7
14
a_o
R423
4K7
13
ay
12
ax
11
A
10
B
9
CON
P101B
TO AMP1 BOARD P106A
8
12345
6
AMP GND
AMP GND
AMP GND
AMP GND
AMP GND
FRSRBSR
FLCSL
C494 33P
R523 7K5
R522
4K7
6
5
R599
3K9
C567
33p
ARCAM Sound & Vision.
MODEL: AVR250
MULTI SCH
DWN.BY: Xiao Xie
APP.BY:
C495
220u/16V
7
U417B
RUBYCON
NE5532
SUBMU
R524
R525
220
220
C
B
B
Q416
Q415
1241
1241
E
SHEET 2 OF 13
ISSUE: A
DATE: 11/JUN/2004
DATE:
D
C
B
VA404B
R620
SUB_OUT
100
C
C496
R526
221
100K
E
A
D
C
B
A
VA301A
DVD_L
VA301B
DVD_R
VA301C
SAT_L
VA301D
SAT_R
VA301E
AV_L
VA301F
AV_R
VA302A
PVR_L
VA302B
PVR_R
VA302E
VCR_L
VA302F
VCR_R
VA303C
ZONE2_OL
VA303D
ZONE2_OR
VA302C
PVR_OL
VA302D
PVR_OR
VA303A
VCR_OL
VA303B
VCR_OR
C3012
221
DVD_R
C3011
R3029
R3035
DVD_L
221
100
R3030
100
100
R3036
100
321
SAT_R
SAT_L
AV_R
AV_L
PVR_R
PVR_L
VCR_R
R3023
VCR_L
R3001
220
C3002
221
R3002
220
C3001
221
R3005
220
C3004
221
R3006
220
C3003
221
R3009
220
C3006
221
R3010
220
C3005
221
R3013
220
C3008
R3014
220
C3007
221
R3017
220
C3010
R3018
220
C3009
221
R3021
Q3003
1241
R3024
100K
100K
C3014
221
R3031
C3013
221
100K
C3016
221
R3037
C3015
100K
221
300R
Q3001
D3010
1N4148
D3011
1N4148
D3012
1N4148
D3013
1N4148
D3014
1N4148
D3015
1N4148
D3016
1N4148
D3017
1N4148
1241
Q3002
1241
R3022
300R
Q3004
1241
R3032
100K
R3038
100K
1 2 3 4
R3004
100K
R3003
100K
R3008
100K
R3007
100K
+12V
-12V
R3012
100K
R3011
100K
R3016
100K
221
R3015
100K
R3020
221
R3019
100K
R3026
100K
U3005A
NE5532
3
1
R3025
300R
A_MU
300R
2
R3096
R3097
20K
R3098
20K
U3003
1
by
2
bx
3
cy
4
c_o
5
cx
6
INH
7
VEE
VSS8C
1
by
2
bx
3
cy
4
c_o
5
cx
6
INH
7
VEE
VSS8C
U3004 74HC4053
10K
5
6
R3099
10K
74HC4053
VCC
b_o
a_o
ay
ax
A
B
VCC
b_o
a_o
ay
ax
A
B
Z_L
Z_R
U3005B
NE5532
7
CD_R
TUN_R
TAPE_I_R TAPE_I_L
R3092
47K
6
5
2
3
C3039
10u/16V
C3040
10u/16V
16
15
14
13
12
11
10
9
16
15
14
13
12
11
10
9
U3001
1
VSS
2
S1
3
S2
4
S3
5
S4
6
S5
7
S6
8
S7
9
S8
10
S9
11
S10
12
S11
13
GND
CK14DATA
TC9273-004
R3095 24K R3094
U3008B
NE5532
7
R3093 24K
C3019
1
VCRM
TAPE_O_L
TAPE_O_R
PVRM
1
2
3
10u/16V
IN1
OUT1
GND
DATA4CLK
M62429FP
U3002
+12V
TAPE_I_R
TAPE_I_L
TC9273-001
CL3
TC9273-010
U3008A
NE5532
28
VDD
27
S1
26
S2
25
S3
24
S4
23
S5
22
S6
21
S7
20
S8
19
S9
18
S10
17
S11
16
STB
47K
IN2
OUT2
VCC
TC9273-001
15
C3020
10u/16V
8
7
6
5
CL2
DA5
Z3003
5V1
Z3001
C3022
4V7
10u/16V
Z3002
C3021
4V7
10u/16V
1234567891011
P301A
TO MAIN BOARD P301A
CD_L
+50VTUN_L
DA5
CL3
C3041
10u/16V
R3041
R3042
R3063
470 1/4W
330
330
12
DVD_L
DVD_R
SAT_L
SAT_R
AV_L
AV_R
PVR_L
PVR_R
VCR_L
VCR_R
C3024
10u/16V
C3023
10u/16V
-12V
DA5
CL2
PVRM
VCRM
R3101
220
C3102
221
R3102
220
C3101
221
R3105
220
C3104
R3106
220
C3103
221
R3109
220
C3106
R3110
220
C3105
221
R3113
220
C3108
R3114
220
C3107
221
R3117
220
C3110
R3118
220
C3109
221
84
84
U3007C
U3009C
NE5532
84
84
U3005C
U3010C
NE5532
NE5532
TUN_R
TUN_L
CD_R
CD_L
P302A
TO MAIN BOARD P302A
R3104
100K
R3103
100K
R3108
221
100K
R3107
100K
R3112
221
100K
R3111
100K
R3116
100K
221
R3115
100k
R3120
221
100K
R3119
100K
C3042
C3044
104
84
U3008C
NE5532
C3043
NF
C3045
104
NF
C3052
104
C3051
104
NF
TUN_R
TUN_L
CD_R
CD_L
1234567891011
C3054
104
C3053
104
+12V
C3135
10u/16V
C3136
10u/16V
-12V
+12V
-12V
CD_R
TUN_R
TAPE_I_R TAPE_I_L
+12V
C3047
104
C3046
104
-12V
TAPE_O_L
TAPE_O_R
A_MU
12
U300 6
R3184
1M0 MF
6
5
2
3
R3186
0R0 0805
Not Fitted
1
2
3
4
5
6
7
8
9
10
11
12
13
VSS
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
GND
CK14DATA
TC9273-010
U3007B
NE5532
U3007A
NE5532
R3082
1M0 MF
28
VDD
27
S1
26
S2
25
S3
24
S4
23
S5
22
S6
21
S7
20
S8
19
S9
18
S10
17
S11
16
STB
15
R3185
0R0 0805
Not Fitted
R3188
0 ohm
R3190
0 ohm
R3081
1M0 MF
6
5
2
3
6
5
2
3
7
1
ARCA M Sound & Vision.
MODEL: AVR250
AUDIO SCH
DWN.BY: Xiao Xie
APP.BY:
4
CD_L
TUN_L
TC9273-010
DA5CL3
R3183
1M0 MF
C3049
NF
R3189
0 ohm
7
U3009B
C3138
NF
220u/16V
C3050 NF
R3191
0 ohm
U3009A
C3137
NF
220u/16V
1
U3010B
R3080
NE5532
100R
7
R3079
100R
1
U3010A
NE5532
SHEET 3 OF 13
ISSUE: A
DATE:11/JUN/2004
TAPE_O_R
TAPE_O_L
Z_L
Z_R
Analog_L
Analog_R
P404B
12
11
10
9
8
7
6
5
4
3
2
1
TO MUTI BOARD P404A
D
C
B
A
1110987654321
C869
2.2u/50V
C868
2.2u/50V
2.2u/50V
YC
R87282R873
82
C867
2.2u/50V
C866
2.2u/50V
Y
R87082R871
82
C865
2.2u/50V
C864
2.2u/50V
Y
R86882R869
82
C863
2.2u/50V
C862
2.2u/50V
Y
R866
R867
82
82
C861
2.2u/50V
C860
2.2u/50V
Y
R86482R865
82
+5V
C890
C947
103
47u/16V
C880
2.2u/50V
C902
2.2u/50V
C881
2.2u/50V
C903
2.2u/50V
C882
2.2u/50V
C904
2.2u/50V
C883
2.2u/50V
C905
2.2u/50V
C906
C884
2.2u/50V
R842
75
C848
223
GND
YUVDET
10
GND
CT_A
CT_B
CT_C
CT_D
CT_E
+5V
C891
C948
2.2u/50V
R843
75
Q812
A933
R848
ZV1
103
GND
ZV2
+5V
R849
D807
0
1N4148
D808
1N4148
C850
2.2u/50V
33K
R839
2K2
GND
U808
1
16
Mout
IN1
2
15
GND
CTLA
GND
3
14
IN5
Vout1
4
13
GND
GND
U812 BA7625
16
IN1
15
CTLA
14
Vout1
13
Vcc
12
IN2
11
CTLB
10
Vout2
9
U818
16
IN1
15
CTLA
14
Vout1
13
Vcc
12
IN2
11
CTLB
10
Vout2
9
BA7625
R850
10K
C849
2u2/16V
C851
223
Vcc
5
12
IN4
IN2
6
11
CTLE
CTLB
7
10
IN3
Vout2
9
CTLD8CTLC
BA7625
CT_D
CT_E
U809
1
16
Mout
IN1
2
15
GND
CTLA
GND
3
14
IN5
Vout1
4
13
GND
GND
Vcc
5
12
IN4
IN2
6
11
CTLE
CTLB
7
10
IN3
Vout2
9
CTLD8CTLC
BA7625
U815
8
1
G
2
7
GND
3
6
4
5
VCC
BA7623F
1
Mout
2
GND
GND
3
IN5
4
GND
GND
5
IN4
6
CTLE
7
IN3
CTLD8CTLC
1
Mout
GND
GND
CTLE
CTLD8CTLC
Q813
A933
D810
1N4148
Z2UV
2
3
IN5
GND
4
GND
5
IN4
6
ZV3
7
IN3
GNDGND
YUV IN H/Other L
YUVDET
D811
1N4148
R9016
7K5
Q9012
D1468
Q9013
C114
GND
CT_A
C893
103
CT_B
CT_C
CT_A
CT_B
CT_C
CT_D
CT_E
R935
75
R934
75
C935
R933
470u/10V
75
+5V
C909
103
GND
U817
1
G
2
GND
3
4
VCC
BA7623F
C944
103
SYC2V
R9012
12K
R9015
7K5
RGB-8V
V_DIRE
R9014
15K
L804
+5V
100uH
C827
1000u/6.3V
CVBS1V
L802
+5V
100uH
C829
10u/16V
L805
+5V
100uH
C828
10u/16V
YCMIX
R921
75
R84075R841
1N4148
2.2u/50V
GND
C823
103
AGND
R863
150
R922
75
GND
D802
4K7
D803
1N4148
C844
+5V
C898
47u/16V
GND
+5V
C896
C897
103
47u/16V
GND
SYC2V
C943
47u/16V
C878
470u/10V
8
7
6
5
+5V
C908
47u/16V
GND
+5V
Q809
C842
A933
223
R838
33K
R937
2K2
SV805A
VCR2 IN
D
C
SV804A
VCR1IN
GND
C
SV803A
AV IN
C
SV802A
SAT IN
C
SV801A
DVD IN
GND
C
VA805B
VCR2_IN
R878
GND
82
VA804B
VCR1_IN
R877
GND
82
VA803B
AV_IN
B
A
R876
GND
82
VA802B
SAT_IN
R875
GND
82
VA801B
DVD_IN
R874
GND
82
ZV5
V_DIRE
Yout2V
ZV4
V_MU
-5V
+5V
GND
123456789
P801A PIN10
TO C_VIDEO BOARD
1 2 3 4 5 6 7 8 9 10 11 12
U814
BA7623F
C927
8
1
G
2
GND
3
4
VCC
L803
100uH
C821
WIMA
103
U805
1
BIAS
C822
2
VRT
COUT
WIMA
103
3
VDD1
VSS1
C824
4
TESTI1
YOUT
WIMA
103
5
VSS2
C830
WIMA
103
6
VRB
C825
7
YCIN
0.47u/50V
8
TEST
VSS4
9
KILLER
VDD4
10
TESTI2
AGND
11
VDD3
TESTOUT
C833
103
12
TEST2
MODE1
13
VDD2
SDET
YUVDET
RGB_8V
DGND
+5V
Q810
A933
C852
2.2u/50V
C838
470u/16V
+5V
SDET
V-MU form MCU
TESTI314SCL
TC90A69
C853
2.2u/50V
R949
10K
R914
1K
R909
10K
R811
7K5
SDA
DGND
C831
103
DGND
C845
10u/16V
C843
223
7
6
5
GND_1GND
VB1
VB2
PD
FIL
FSC
00
01
11
16
15
14
13
12
11
10
R846
3K
Q823
C114
GND
Q822
C114
GND
Q910
D1468
GND
R9011
NF
R907
10K
28
27
26
25
24
23
22
21
20
19
18
17
16
15
9
R924
10u/16V
75
C928
R923
470u/10V
75
+5V
C913
103
GND
C840
WIMA
103
C836
WIMA
103
C837
WIMA
681
103
R831 330
C835
103
C920
100u/16V
Fsc
O_SD
O_CL
CTLBCTLA VIDEO OUT
YUV (IN1)
S_VIDEO (IN3 )
VIDEO (IN4)
+5V
C892
C900
103
47u/16V
GND
U801
Mout
IN1
GND
CTLA
IN5
Vout1
GND
Vcc
IN4
IN2
CTLE
CTLB
IN3
Vout2
CTLD8CTLC
BA7625
+5V
R845
1K
Q837
C114
GND
C834
GND GND
WIMA
1
2
3
4
5
6
7
R92575R926
AGND
GNDGND
GND
GND
L813
+10V
75
100uH
C826
100u/16V
Q830
C1740
R835
L809
27uH
820R
C917
R834
22pF
820R
L812
AGND
+10V
100uH
C930
Q829
100u/16V
C1740
R904
L808
27uH
820R
+5V
L806
100uH
R837
150R
C854
2.2u/50V
Q824
C114
+9V
R915
1K
R910
10K
Q838
C114
GND
C915
C914
22pF
12pF
R903
820R
AGND
CT_B
C805
O_CS
O_DATA
O_CLK
R989
100R
V_MUTE
Q839
C114
SDET
YUVDET
R830
3K9
R836
C940
103
GND
C916
12pF
C901
103
GND
22P
DGND
R988
1K
GND
L807
100uH
R801
1K
AGNDAGND
R902
12K
C921
103
R832
R833
1.2K
6.8K
R896
12K
C899
47u/16V
R828
R829
1.2K
6.8K
L816
100uH
C80122P
C80222P
R809
1K
C80322P
C80422P
R802
C80647P
R803
C80747P
R804
C80847P
R805
CT_D
R806
CT_E
R807
CT_A
R808
CT_C
AGND
L817
27uH
C847
22p
U816
1
G
2
3
4
VCC
BA7623F
-5V
RGB from MCU
PAL-DET
V_DIRE
ZV5
ZV4
ZV3
ZV2
+5V
Q832
560R
A933
Q831
C1740
R895
1K2
R901
560R
R900
560R
Q825
A933
Q828
C1740
RV801
2K
R894
560
R899
560R
+5V
C810
C887
100u/16V
103
GND
U810
1
VSS
2
X1_IN
X801
14.318M
X802
17.734M
C809
1u/50V
P803
P16
SYNCDET
3
X1_OUT
VCO_O
4
HSYNC
VCO_I
5
X2_IN
6
X2_OUT
AMP_O
7
VSYINC
1K
8
CS
PD_OUT
1K
9
SIN
1K
10
SCLK
1K
1K
1K
1K
C912
103
16
SEPC
11
SECAM
SYNC
12
525
CVCR
13
N/P
CV_IN
14
3.58
VDD2
RST15CV_OUT
LC74763A
R987
270R
R862
C846
1K
22p
AGNDAGNDAG ND
R929
0
8
7
Yout2V
6
C929
R928
470u/10V
75
5
+5V
GND
R898
220R 1/4W
C875
R940
10u/16V
Q833
C1740
R893
100R
R891
R905
1.2K
820R
Q826
C1740
R892
100R
R890
R889
1.2K
820R
30
VDD
29
28
L801 2.2uH
27
26
FC
25
24
AMT
23
22
VSS
R815
21
820K
20
19
18
17
16
3
1
2
U823A
TK15420
R861
2K
R860
4K7
AGNDAGND
R856
R883
560
75
GND
C932
1000u
10V
123456789101112131415
33
R941
75
Q834
A933
AGND
C858
2.2u/50V
R897
C857
220R 1/4W
2.2u/50V
C924
R938
470u/10V
75
R939
75
Q827
A933
AGND
D801
1N4148
R820
47K
R818
120
R817
6K8
R816
1K5
C813
1200P
C812
0.47u/50V
+5V
C814
474
AGND
C886
47P
AGND
+5V
L810
100uH
GND
C815
1u/50V
AGND
L819 3.9uH
C820
682
R858
10K
R9013
4K7
R821
2K7
C819 30P
AGND
R814
220
Q843
1468
2.2u/50V
2.2u/50V
C855
R819
1K
V_DIRE
C856
C818
0.47u/50V
GND
SYN
C817 22P
AGND
C816
223
AGND
+5V
Q801
R813
C1740
4K7
R9161KR919
3K3
C811
100u/16V
R810
100K
GND
C937
103
16
15
14
13
R851
12
33
11
10
9
GND GND
O_DATA
O_CLK
O_CS
+9V
L811
100uH
10
P802
P10
U804
16
IN1
15
CTLA
14
Vout1
13
Vcc
12
IN2
11
CTLB
10
Vout2
9
BA7625
+5V
C945
47u/16V
GND
Mout
IN1
GND
CTLA
IN5
Vout1
GND
Vcc
IN4
IN2
CTLE
CTLB
IN3
Vout2
CTLD8CTLC
U803
BA7625
+5V
C938
C946
103
47u/16V
GND
C923
1
2.2u/50V
Mout
2
GND
3
IN5
C859
4
2.2u/50V
GND
5
IN4
6
CTLE
7
IN3
CTLD8CTLC
GNDGND
V_DIRE
SDET
R9010
100
Prog-det
C925
103
PAL-DET
+5V
C895
104
C885
GND
104
-5V
CTLA VIDEO OUT
CTLE
0
0
VIDEO(OSD) ( IN3)
0
VIDEO DIRECT (IN4 )
1
1
0
S-VIDEO to VIDEO (IN5)
GND
1
2
3
4
5
6
7
SDET
Prog-DETZV1
V_MUTE
123456789
GND
C894
+5V
103
GND
U807
4
5
VCC
3
6
2
7
8
1
G
GND
BA7623F
CTLECTLA S_VIDEO OUT
00
S_VIDEO DIREC T (IN1,IN4 )
11
S_VIDEO OSD (I N2,IN5)
SCMAIN2VU
SYMAIN2VU
U806
BA7623F
8
1
G
2
7
GND
3
+5V
Z2VU
+5V
R912
10K
R911
10K
GND
U802
1
CS OP
2
C VID IP
3
VS OP
GND4BURST OP
LM1881
84
U823C
TK15420
U811
1
G
2
3
4
VCC
BA7623F
6
5
4
VCC
+5V
C910
C941
103
47u/16V
GND
R917
1K
Q835
C114
NAND
Q836
C114
+5V
C939
103
8
Vcc
GND
7
OE OP
6
Rset
5
C933
R930
470u/10V
75
8
7
6
5
+5V
V-MU
C911
103
GND
ARCAM Sound & Vision.
MODEL: AVR250
OSD SCH
DWN.BY: Xiao Xie
APP.BY:
R918
C922
680K
103
GNDGND
CVBS1V
R931
75
GND
R884
3K
R913
3K
C873
R824
10u/16V
75
C872
R825
470u/10V
75
C871
R826
10u/16V
75
C870
R827
470u/10V
75
Q805
R822
D1468
75
R8873KR888
GND
R823
R852
3K
GND
Q803
D1468
R879
75
Q806
D1468
GND
R932
75
R881
75
SHEET 4 OF 13
ISSUE: A
DATE:11/JUN/2004
DATE:
12
SV807A
VCR2 OUT
C
Y
SV806A
VCR1 OUT
C
Y
Q804
D1468
C874
470u/10V
3K
GND
C876
10u/16V
75
Y
R886
3K
GND
Q802
D1468
V-MU
SV808A
MONITOR
12K
R8014
12K
R8015
C877
1000u/10V
Q821
D1468
GND
C934
470u/10V
C879
470u/10V
D
GND
C
GND
C
P801
1
2
GND
ZONE2_O
B
-5V
VA808B
MON
GND
VA807B
VCR2_OUT
GND
VA806B
VCR1_OUT
GND
A
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