AVR300
downloaded from http://receiverfaq.ru/
AVR300 Circuit diagrams
321
10K
VOL1
P1001B
123
LE1010
LED
LE1015
LED
LED BOARD
YUVDET
SDET
C1002
20P
VOL2
123
VF101
29-1403F
F1F2P363P354P345P336P327P318P309P2910P2811P2712P2613P2514P2415P2316P2217P2118P2019P1920P1821P1722P1623P1524P1425P1326P1227P1128P1029P930P831P732P633P534P435P336P237P13814G3913G4012G4111G4210G439G448G457G466G475G484G493G502G511G52F53F
AC4V1 AC4V2
SG0
SG35
Q1005
A114
Q1004
C114
C1014
103
C1015
103
SD
P2
P1
AC4V1
AC4V2
SG28
SG29
SG30
SG31
SG32
SG33
SG34
C1008
100u/50V
C1006
103
123456789101112131415
P101A
15P
SG21
SG22
SG23
SG24
SG25
SG26
SG27
GR1
33
GR2
GR3
34
35
GR4
36
GR5
37
GR6
38
GR7
39
GR8
40
GR9
41
GR10
GR11
42
43
GR12
44
GR13
45
GR14
46
47
48
C1009
103
RS1
RS2
+5v
-V
SG14
SG15
SG16
SG17
SG18
SG19
SG20
SG33
SG34
SG35
32
31
GR1
GR2
GR3
GR4
GR5
GR6
GR7
GR8
GR9
GR10
GR11
GR12
GR13
GR14
GR15
GR16
VEE
VSS49OSCI50OSCO51RSTB52CSB53CLKB54DIN55VDD56P157P258AD259AD160SG161SG262SG363SG4
R1016
3K3
C1004
47P
C1016
C1012
470u/6V3
470u/6V3
RS1
YUVDET
RS2
SDET
SG11
SG12
SG13
SG29
SG30
SG31
SG32
PT6302
R1017
1K
C1010
104
SG7
SG8
SG9
SG10
SG26
SG27
SG28
GR1
GR2
GR3
GR4
GR5
GR6
SG1
SG2
SG3
SG4
SG5
SG6
SG21
SG22
SG23
SG24
SG25
SG2117SG2218SG2319SG2420SG2521SG2622SG2723SG2824SG2925SG3026SG3127SG3228SG3329SG3430SG35
SG20
SG19
SG18
SG17
SG16
SG15
SG14
SG13
SG12
SG11
SG10
SG9
SG8
SG7
SG6
SG5
64
P2
P1
GR7
U1001
SG20
16
SG19
15
14
SG18
SG17
13
12
SG16
SG15
11
SG14
10
9
SG13
SG12
8
SG11
7
6
SG10
SG9
5
SG8
4
SG7
3
SG6
2
1
SG5
SG4
SG3
SG2
SG1
SG0
A & R cambridge ltd
MODEL: AVR300
KEY SCH
DWN.BY: SZ Lin
APP.BY:
P102A
1
LE1001
LE1003
LE1002
100
LE1007
100
LE1012
LE1004
LED
LED
R1010
100
LE1009
10u/16V
C1011
LED
R1011
100
LE1014
LED
R1012
100
39
40
P0.3
41
P0.2
42
P0.1
43
P0.0
44
VCC
1
NC
2
P1.0
3
P1.1
4
P1.2
5
P1.3
6
P1.4
P1.57P1.68P1.79RST10P3.011NC12P3.113P3.214P3.315P3.416P3.5
C1005
103
SW1001
UP
SW1002
DOWN
SW1003
PRESET
SW1004
STORE
SW1005
FM MUTE
SW1006
RDS INFO
LED
LED
100
LED
R1003
100
D
C
R1023
R1024
R1025
4K7
4K7
4K7
B
SW1022
EXT7.1
SW1023
ZONE2
SW1024
DIRECT
SW1025
A
DISPLAY
SW1026
MUTE
LE1006
R1002
100
LE1011
R1001
R1026 4K7
R1027 4K7
R1028
R1029
R1022
4K7
SW1017
VCR2
SW1018
TAPE
SW1019
CD
SW1020
FM
SW1021
AM
1 2 3 4
LED
R1006
R1007
100
LE1008
LED
LED
R1005
R1008
100
LE1013
LED
LED
R1004
100
4K7
4K7
470u/6V3
SW1012
OK
SW1013
DVD
SW1014
SAT
SW1015
AV
SW1016
VCR1
R1009
100
C1013
C1007
47u/6V3
SW1007
TREBLE
SW1008
EFFECT
SW1009
MODE
SW1010
BASS
SW1011
MENU
LE1005
LED
R1014
100
R1020
20
35
34
NC
P0.736P0.637P0.538P0.4
EAVPP
AT89C52
R1018
10K
2
3
31
33
32
ALE
PSEN
P102B
3
2
P3
Q1001
C123
P2.529P2.630P2.7
P2.4
P2.3
P2.2
P2.1
P2.0
NC
GND
X1
X2
P3.7
P3.6
17
R1030
10K
RS1
RS2
V690
ENCODER
1
P3
Q1003
C123
Q1002
C123
U1002
28
27
26
25
24
23
22
21
20
19
18
CR1001
12M
C1001
20P
SD
R1019
P1002A
P2A
P1001A
P3
1
2
3
VOLUME BOARD
4
D
54
GR8
GR9
GR10
GR11
GR12
GR13
GR14
C
IR801
1
2
R1015
470
3
B
A
+5V
GND
IR IN
GND
IROUT
12345
6
P205B
TO RS232 BO ARD
SHEET 1 OF 13
47u/16V
C1003
ISSUE: M1
DATE:06/APR/2004
DATE:
+12V
-12V
D
P404A
12
11
10
9
8
7
6
5
4
3
2
1
C
FROM AUD BOARD P404B
VA402A
EXT_CIN
VA402B
EXT_SUBIN
B
VA401A
EXT_RIN
VA401B
EXT_LIN
C401
VA401C
220u/16V
EXT_SRIN
VA401D
C402
EXT_SLIN
220u/16V
VA401F
EXT_BSLIN
A
VA401E
EXT_BSRIN
1 2 3 4 5 6 7 8 9 10 11 12
OPA2134
84
U406C
ZONE_L
ZONE_R
R585
Analog_L
12K
R586
12K
Analog_R
C408
220u/16V
C405
220u/16V
R403
5K1
R404
5K1
R601
5K1
R600
5K1
R401
5K1
E_SR
R402
5K1
E_SL
D206
D207
1N4148
1N4148
R406
5K1
R407
5K1
D205
D208
1N4148
1N4148
-4V7
C543
104
OPA2134
OPA2134
84
84
U407C
U408C
FMU
SMU
BSMU
CMU
SUBMU
MON
Not fitted
Option in case bypass does not w ork
Not fitted
R408
12K
R405
12K
E_Z_L
C541
U419
220u/16V
1
Y0
2
Y2
3
Y
4
Y3
5
ZONE_L
Y1
6
EN
7
Vee
VSS8S1
74HC4052
OPA2134
84
U409C
P402A
FROM MAIN BOARD P 402A
Bypass WM8770 internal Mux
R410 5K1
R532
R534 20K
R531
-4V7
C544
104
16
VDD
15
X2
14
X1
13
X
12
X0
11
X3
10
S0
9
OPA2134
84
U410C
+4V7
OPA2134
OPA2134
OPA2134
84
84
U411C
U412C
10111213141516
DGND
Nd
Nd
+4V7
U418
1
Y0
VDD
2
10K
Y2
X2
3
Y
X1
4
Y3
2K4
5
Y1
X0
6
EN
X3
7
Vee
S0
C526
VSS8S1
104
74HC4052
C414
220u/16V
C413
220u/16V
DVD_A 0
ZONE2 1
DVD_LR 0
ZONE_R
E_Z_R
C542
220u/16V
R540
1k
Z_AMP
R602
1k
BI_AMP
C547
C570
104
104
84
U413C
123456789
CEDICL
W RST
C525
104
16
R533 10K
15
R530 2K 4
14
13
X
R411 5K1
12
R535 20K
11
10
9
C545
103
Z_AMP BI_AMP
OPA2134
OPA2134
84
84
U415C
U414C
DGND
L_S0
R537 1K
L_S1
R538 1K
C546
103
2V IN 0
4V IN 0
1V IN 1
0.5V IN 1
0
0
1
OPA2134
OPA2134
84
84
U416C
U417C
P403A
FROM MAIN BOARD P403A
DGND
DGND
DGND
MCLK
BCLK
LRC
R478
33
R479
2K
61
63
64
60
62
DI
CL
CE
RES
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
APL17AINVGL18AINVGR19AINOPR20RECL21RECR22REFADC23VMIDADC24AGND25AVDD126AUX1L27AUX1R28AUX2L29AUX2R30AUX3L31A3R
C415
10u/16V
L_S1 L_S 0
0
1
0
1
R536
100R / 1/4W
+12V
C498
47u/16V
R413
330/1/8W
+12V
C410
47u/16V
C497
100u/16V
47u/16V
-12V
R412
330/1/8W
C500
C501
10111213141516
DIN4
59
BCLK
MCLK
WM8770
C417
104
1
R611
1K
C409
R612
1K
C502
C504
C506
C508
C510
C512
C514
C516
C518
C520
104
104
104
104
104
104
104
104
C503
C505
C507
C509
C511
C513
104
104
104
104
123456789
DGND
DGND
DGND
DGND
DIN3
DIN2
DIN1
DOUT
R409
33
51
56
58
52
DIN153DIN254DIN355DIN4
DOUT
DACLRC57ADCLRC
DACREFP2
U401
VMIDDAC
DACREFP1
C419
104
C418
C416
10u/16V
104
U625
LM3.3
1
3
Vin
3V3
20mA supply 3.3 v
G
2
U405
LM7805
3
Vin
+5V
GND
C498
100u/16V
2
Q417
KTC8050
C578
Z402
47u/16V
4V7
Z401
C580
47u/16V
4V7
Q418
KTC8550
C515
104
104
104
104
CON
R499
100
+3.3VD
C429
3300u/10V
C430
103
49
48
DVDD
DG
ZFLAG150ZFLAG2
47
AGND2
SUB
46
VOUT4R
CEN
45
VOUT4L
44
BSR
43
VOUT3R
42
GR2
41
BSL
VOUT3L
40
SR
39
VOUT2R
38
GR1
37
SL
VOUT2L
36
FR
35
VOUT1R
34
FL
VOUT1L
33
AVDD2
C422
C423
104
10u/16V
32
C420
C421
10u/16V
104
E_Z_R
E_Z_L
E_SR
E_SL
+3.3VD
C426
C425
C427
C428
1000u/6V3
47u/16V
104
104
+4V7
C579
103
C581
103
-4V7
C522
104
104
104
104
C517
C519
C521
C523
104
104
104
104
Gain
G_S1 G_S0
40
0
20
1
11
0
0.5 1
1
U420
1
16
Y0
C566 271
R582
6
5
C565
104
VDD
6K8
2
15
Y2
X2
3k3
3
14
Y
X1
22K
4
13
Y3
X
5
12
Y1
X0
6
11
EN
X3
7
10
Vee
S0
C550
104
C553
104
20K
C557
104
6K8
C561
104
U409B
NE5532
9
VSS8S1
74HC4052
U421
1
16
Y0
VDD
2
15
Y2
X2
3
14
Y
X1
4
13
Y3
X
5
12
Y1
X0
6
11
EN
X3
7
10
Vee
S0
9
VSS8S1
74HC4052
U422
1
16
Y0
VDD
2
15
Y2
X2
3
14
Y
X1
4
13
Y3
X
5
12
Y1
X0
6
11
EN
X3
7
10
Vee
S0
9
VSS8S1
74HC4052
U423
74HC4052
1
16
Y0
VDD
2
15
Y2
X2
3
14
Y
X1
4
13
Y3
X
5
12
Y1
X0
6
11
EN
X3
7
10
Vee
S0
9
VSS8S1
20K
R415
2K
7
R631
C431
10K
223
Z_AMP
DGND
Nd
Nd
BI_AMP
G_S1
G_S0
16
R541
R542
R543
R544 20K
-4V7
C438
220u/16V
BSR
C442
220u/16V
BSL
R551 6K8
R552 3k3
R553 22K
R554 20K
-4V7
C446
220u/16V
SR
C450
220u/16V
SL
C454
220u/16V
CEN
C424
104
220u/16V
C458
220u/16V
FR
C462
220u/16V
FL
SUB
C433
R632
20K
+12V
-12V
L_S1
L_S0
123456789101112131415
P406A
FROM MAIN BOARD P 406A
R561 6K8
R562 3k3
R563 22K
R564
-4V7
R571
R572 3k3
R573 22K
R574 20K
-4V7
1K5
R581
R583
3K9
AGND
R623
10K
C680
100u/50V
TO GND
C549
+4V7
104
R545 6K8
R546 20K
22K
R547
R548 3k3
G_S0
R549 1K
G_S1
1K
R550
C554
104
+4V7
R555 6K8
R556
20K
R557
22K
R558
3k3
G_S0
R559 1K
G_S1
1K
R560
C558
+4V7
104
R565
6K8
R566
20K
R567
22K
R568
3k3
G_S0
1K
R569
G_S1
R570
1K
C562
+4V7
104
R575
6K8
R576
20K
R577
22K
R578
3k3
G_S0
R579 1K
G_S1
R580 1K
C432
104
R416
22K
C499
U408B
NE5532
5
470u/16V
7
6
R424
5K1
2
3
R425
3K9
R428
5K1
6
5
R429
3K9
R432
5K1
2
3
R433
3K9
R436
5K1
6
5
R437
3K9
R440
5K1
2
3
R441
3K9
R444
5K1
2
3
R445
3K9
R450 20K
C465 47p
R448
5K1
6
5
R449
3K9
U403
1
by
2
bx
R418
3
cy
1K
4
c_o
5
cx
6
INH
7
VEE
VSS8C
74HC4053
-4V7
C434
104
R426 20K
47p
C441
U406A
NE5532
C440
104
R430 20K
C445 47p
U406B
NE5532
C444
104
R434 20K
47p
C449
U407A
NE5532
C448
104
R438 20K
C453 47p
U407B
NE5532
C452
104
R442
20K
C457
47p
U409A
NE5532
C456
104
R446 20K C471 220p
C461
47p
NE5532
C460
104
U412B
NE5532
C464
104
VCC
b_o
a_o
ay
ax
A
B
R427
4K7
1
R624
10K
R453
0
R431
4K7
7
R625
10K
R456
0
R435
4K7
1
R626
10K
R459
0
R439
7
4K7
R627
10K
R462
0
R443
4K7
1
R628
10K
R465
0
R447
1
4K7
U412A
R629
10K
R468
0
R451
4K7
7
R630
10K
R471
0
C435
+4V7
104
16
15
14
13
12
11
10
9
R419
R420 4K7
1
4K7
2
R421
3
1K
4
5
6
7
C436
104
2
3
6
5
2
3
6
5
2
3
2
3
6
5
U404
by
bx
cy
c_o
cx
INH
VEE
VSS8C
C466
R452 4K7
C467 220p
R455 4K7
C468 220p
R458 4K7
C469
R461 4K7
C470
R464
R467
C472 220p
R472
74HC4053
P105B
P101B
TO AMP1 BOARD P104A1
TO AMP1 BOARD P 106A
1234567
8
12345
6
AMP GND
AMP GND
AMP GND
AMP GND
AMP GND
AMP GND
AMP GND
BSL
220p
1
U410A
NE5532
R454
0
7
U410B
NE5532
R457
0
1
U411A
NE5532
R460
0
220p
7
U411B
NE5532
R463
0
220p
4K7
1
U408A
NE5532
R466
0
4K7
1
U413A
NE5532
R469
0
R470
4K7
7
U413B
NE5532
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
CSLFRSRBSR
FL
C473
R474 4K3
R473
4K7
2
3
C476 33P
R481 4K3
R480
4K7
6
5
C479 33P
R488 4K3
R487
4K7
2
3
C482 33P
R495 4K3
R494
4K7
6
5
C485 33P
R502 4K3
R501
4K7
2
3
C488 33P
R509 4K3
R508
4K7
2
3
C491
R516
R515
4K7
6
5
C494 33P
R523 7K5
R522
4K7
6
5
R599
3K9
C567
33p
A & R cambridge ltd
MODEL: AVR300
MULTI SCH
DWN.BY: SZ Lin
APP.BY:
1110987654321
33P
U414A
NE5532
BSMU
U414B
NE5532
BSMU
U415A
NE5532
SMU
U415B
NE5532
SMU
U417A
NE5532
CMU
U416A
NE5532
FMU
33P
4K3
U416B
NE5532
FMU
C474
R475
220u/16V
220
1
B
Q401
1241
C477
R482
220u/16V
220
7
B
Q403
1241
C480
R489
220u/16V
220
1
B
Q405
1241
C483
R496
220u/16V
220
7
B
Q407
1241
C486
R503
220u/16V
220
1
B
Q409
1241
C489
R510
220u/16V
220
1
B
Q411
1241
C492
R517
220u/16V
220
7
B
Q413
1241
C495
220u/16V
7
U417B
NE5532
SUBMU
Q415
1241
SHEET 2 OF 13
ISSUE: M1
DATE: 06/APR/2004
DATE:
12
D
VA403E
R476
R613
BSR_OUT
220
100
C
C
B
C475
R477
Q402
221
100K
1241
E
E
VA403F
R483
R614
BSL_OUT
220
100
C
C
B
Q404
C478
R484
221
100K
1241
E
E
VA403C
R490
R615
SR_OUT
220
100
C
C
B
Q406
C481
R491
C
221
100K
1241
E
E
VA403D
R497
R616
SL_OUT
220
100
C
C
B
Q408
C484
R498
221
100K
1241
E
E
VA404A
R617
R504
CEN_OUT
220
100
C
C
B
Q410
C487
R505
221
100K
1241
E
E
VA403A
R511
R618
FR_OUT
220
100
C
C
B
Q412
C490
R512
1241
221
E
C
E
R524
220
B
100K
E
B
VA403B
R518
R619
FL_OUT
220
100
C
B
C493
R519
Q414
100K
221
1241
E
VA404B
R525
R620
SUB_OUT
220
100
C
C
B
Q416
C496
R526
221
100K
1241
E
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
321
DVD_R
DVD_L
SAT_R
SAT_L
AV_R
AV_L
PVR_R
PVR_L
VCR_R
VCR_L
R3001
220
R3002
220
C3001
221
R3005
220
R3006
220
C3003
221
R3009
220
R3010
220
C3005
221
R3013
220
R3014
220
C3007
221
R3017
220
R3018
220
C3009
221
R3021
300R
Q3003
1241
R3024
C3012
100K
221
R3022
R3023
C3011
100K
221
R3029
100
R3030
100
R3035
100
R3036
100
300R
Q3004
1241
R3032
C3014
100K
221
R3031
C3013
221
100K
R3038
C3016
100K
221
R3037
C3015
100K
221
1 2 3 4
D3010
1N4148
D3011
1N4148
1N4148
1N4148
D3014
1N4148
D3015
1N4148
D3016
1N4148
D3017
1N4148
Q3001
1241
D3012
D3013
R3004
C3002
221
100K
R3003
100K
C3004
R3008
221
100K
R3007
100K
R3012
C3006
221
100K
R3011
100K
R3016
C3008
100K
221
R3015
100K
C3010
R3020
221
100K
R3019
100K
U3005A
NE5532
3
1
R3025
300R
A_MU
R3026
300R
Q3002
1241
2
R3096
20K
Z_L
Z_R
U3005B
5
NE5532
7
6
R3098
R3099
10K
20K
74HC4053
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
+12V
-12V
1
2
3
4
5
6
7
CD_R
8
TUN_R
9
TAPE_I_R TAPE_I_L
10
11
12
13
R3092
47K
R3095 24K R3094
U3008B
6
NE5532
7
5
R3093 24K
2
1
3
U3008A
NE5532
C3039
10u/16V
R3097
10K
C3040
10u/16V
16
VCC
15
b_o
14
a_o
13
ay
12
ax
11
A
10
B
9
16
VCC
15
b_o
14
a_o
13
ay
12
ax
11
A
10
B
9
VCRM
TAPE_O_L
TAPE_O_R
PVRM
U3001
VSS
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
GND
CK14DATA
TC9273-001
1
IN1
2
OUT1
3
GND
DATA4CLK
C3019
10u/16V
M62429FP
U3002
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
47K
8
IN2
7
OUT2
6
VCC
5
C3022
10u/16V
C3021
10u/16V
+12V
TAPE_I_R
TAPE_I_L
TC9273-001
CL3
TC9273-010
1234567891011
P301A
TO MA IN BOARD P301A
C3020
10u/16V
5V1
Z3001
4V7
Z3002
4V7
CD_L
+50VTUN_L
TC9273-001
DA5
CL3
CL2
DA5
Z3003
10u/16V
C3041
R3041
330
R3042
330
R3063
470 1/4W
R3101
220
DVD_L
R3102
220
DVD_R
C3101
221
R3105
220
SAT_L
R3106
220
SAT_R
C3103
221
R3109
220
AV_L
R3110
220
AV_R
C3105
221
R3113
220
PVR_L
R3114
220
PVR_R
C3107
221
R3117
220
VCR_L
R3118
220
VCR_R
C3109
221
84
U3007C
NE5532
C3024
84
U3005C
10u/16V
NE5532
C3023
10u/16V
-12V
DA5
TUN_R
CL2
TUN_L
PVRM
CD_R
VCRM
CD_L
12
R3104
C3102
221
100K
R3103
100K
C3104
R3108
221
100K
R3107
100K
C3106
R3112
221
100K
R3111
100K
R3116
C3108
100K
221
R3115
100k
C3110
R3120
221
100K
R3119
100K
C3042
84
104
U3009C
NF
C3043
104
U3008C
84
84
U3010C
NE5532
NE5532
TUN_R
TUN_L
CD_R
CD_L
1234567891011
P302A
TO MA IN BOARD P302A
+12V
U3006
1
-12V
2
3
4
5
6
7
CD_R
8
TUN_R
9
10
11
TAPE_I_R TAPE_I_L
12
13
R3184
1M0 MF
6
5
U3007B
NE5532
R3186
0R0 0805
Not Fitted
2
+12V
C3044
C3135
NF
10u/16V
C3045
C3136
NF
10u/16V
-12V
C3052
C3054
104
104
C3051
C3053
104
104
TAPE_O_L
TAPE_O_R
12
3
U3007A
NE5532
+12V
C3047
104
C3046
104
-12V
A & R cambridge ltd
MODEL: AVR300
A_MU
AUDIO SCH
DWN.BY: SZ Lin
VSS
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
GND
CK14DATA
TC9273-010
7
1
R3082
1M0 MF
VDD
R3185
0R0 0805
Not Fitted
S10
S11
STB
R3188
0 ohm
R3081
1M0 MF
28
27
S1
26
S2
25
S3
24
S4
23
S5
22
S6
21
S7
20
S8
19
S9
18
17
16
15
R3190
0 ohm
APP.BY:
TC9273-010
C3049
NF
R3189
0 ohm
6
5
U3009B
NE5532
C3050 NF
R3191
0 ohm
U3009A
NE5532
2
3
U3010B
NE5532
6
5
2
3
U3010A
NE5532
4
CD_L
TUN_L
DA5CL3
R3183
1M0 MF
7
C3138
220u/10V
Z_L
Z_R
Analog_L
Analog_R
C3137
220u/10V
1
R3080
100R
7
TAPE_O_R
R3079
100R
1
TAPE_O_L
SHEET 3 OF 13
ISSUE: M1
DATE:06/APR/2004
P404B
12
11
10
9
8
7
6
5
4
3
2
1
TO MUTI BOARD P404A
D
C
B
A
C869
2.2u/50V
C868
SV805A
VCR2 IN
D
SV804A
VCR1IN
C
SV803A
AV IN
C
SV802A
SAT IN
C
SV801A
DVD IN
GND
C
VA805B
VCR2_IN
GND
VA804B
VCR1_IN
GND
VA803B
AV_IN
B
GND
VA802B
SAT_IN
GND
VA801B
DVD_IN
GND
ZV5
V_DIRE
A
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
2.2u/50V
R87282R873
82
C867
2.2u/50V
C866
2.2u/50V
YYCC
R87082R871
82
GND
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
GND
C902
2.2u/50V
R878
82
R877
82
R876
82
R875
82
R874
82
C881
2.2u/50V
C903
2.2u/50V
C882
2.2u/50V
C904
2.2u/50V
C883
2.2u/50V
C905
2.2u/50V
C884
2.2u/50V
C906
2.2u/50V
R842
75
C848
223
GND
YUVDET
10
CT_A
CT_B
CT_C
CT_D
CT_E
+5V
C891
C948
103
2.2u/50V
GND
+5V
R843
R849
75
D807
0
1N4148
Q812
D808
A933
1N4148
C850
R848
2.2u/50V
33K
R839
2K2
GND
U808
1
16
Mout
IN1
2
15
GND
CTLA
GND
3
IN5
Vout1
4
GND
Vcc
GND
5
IN4
IN2
6
CTLE
CTLB
7
IN3
Vout2
CTLD8CTLC
BA7625
CT_D
CT_E
U809
1
Mout
IN1
2
GND
CTLA
GND
3
IN5
Vout1
4
GND
Vcc
GND
5
IN4
IN2
6
CTLE
CTLB
7
IN3
Vout2
CTLD8CTLC
BA7625
U815
1
G
2
GND
3
4
VCC
BA7623F
U812 BA7625
1
16
Mout
IN1
2
15
GND
CTLA
GND
3
14
IN5
Vout1
4
13
GND
Vcc
GND
5
12
IN4
IN2
6
11
CTLE
CTLB
7
10
IN3
Vout2
9
CTLD8CTLC
U818
1
16
Mout
IN1
2
15
GND
CTLA
ZV1
ZV2
3
14
IN5
Vout1
4
13
GND
Vcc
GND
5
12
IN4
IN2
6
11
CTLE
CTLB
7
10
IN3
Vout2
9
CTLD8CTLC
GNDGND
BA7625
R850
10K
C849
2u2/16V
C851
223
YUV IN H/Other L
Q813
A933
D811
1N4148
D810
1N4148
R9016
7K5
Q9012
D1468
Q9013
C114
CT_A
14
13
12
11
10
9
16
15
14
13
12
11
10
9
R935
75
8
R934
75
7
6
C935
R933
470u/10V
75
5
C909
103
GND
U817
1
G
2
GND
3
4
VCC
BA7623F
Z2UV
GND
ZV3
YUVDET
SYC2V
R9012
12K
R9015
7K5
RGB-8V
V_DIRE
R9014
15K
GND
L804
+5V
+5V
100uH
C893
C898
C827
103
47u/16V
1000u/6.3V
GND
CT_B
CT_C
CT_A
C896
103
CT_B
CT_C
CT_D
CT_E
+5V
8
7
6
5
C944
103
C842
AGND
CVBS1V
L802
+5V
100uH
C829
10u/16V
+5V
L805
+5V
100uH
C897
47u/16V
C828
10u/16V
GND
SYC2V
YCMIX
C943
47u/16V
C878
R921
470u/10V
75
R922
75
+5V
GND
C908
47u/16V
GND
+5V
R84075R841
D802
1N4148
Q809
D803
A933
1N4148
223
C844
R838
33K
2.2u/50V
R937
2K2
GND
U814
BA7623F
C927
8
1
G
2
GND
3
4
L803
100uH
C821
WIMA
103
U805
1
BIAS
C822
2
VRT
C823
103
WIMA
103
3
VDD1
C824
4
TESTI1
WIMA
103
5
VSS2
C830
103
WIMA
6
VRB
R863
C825
150
7
YCIN
0.47u/50V
8
TEST
9
KILLER
10
TESTI2
AGND
11
VDD3
C833
103
12
TEST2
13
VDD2
DGND
TESTI314SCL
C831
103
DGND
TC90A69
DGND
C853
2.2u/50V
C852
2.2u/50V
C838
470u/16V
+5V
R949
10K
SDET
R914
+5V
1K
R909
YUVDET
10K
R811
RGB_8V
7K5
SDET
4K7
C845
10u/16V
Q810
A933
V-MU form MCU
C843
223
VCC
TESTOUT
MODE1
GND_1GND
VB1
COUT
VSS1
YOUT
VB2
PD
FIL
VSS4
VDD4
FSC
SDA
GND
GND
GND
7
6
5
00
01
11
R846
3K
R9011
R907
10u/16V
C928
470u/10V
C913
103
GND
C840
28
103
WIMA
27
26
25
24
C837
681
23
22
R831 330
21
20
19
Fsc
18
17
16
O_SD
15
O_CL
CTLBCTLA VIDEO OUT
C900
47u/16V
U801
16
IN1
15
CTLA
14
Vout1
13
Vcc
12
IN2
11
CTLB
10
Vout2
9
BA7625
Q823
C114
Q822
C114
Q910
D1468
NF
10K
R924
+5V
C836
WIMA
103
WIMA
C835
103
YUV (IN1)
S_VIDEO (IN3)
VIDEO (IN4)
+5V
GND
Mout
GND
IN5
GND
IN4
CTLE
IN3
CTLD8CTLC
+5V
R845
1K
Q837
C114
GND
75
R923
75
R92575R926
L813
+10V
75
100uH
C826
GND GND
C834
WIMA
103
AGND
C920
L806
100u/16V
100uH
C892
103
1
2
R837
3
150R
4
C854
2.2u/50V
5
6
7
GNDGND
Q824
C114
GND
R910
10K
Q838
C114
GND
100u/16V
Q830
C1740
R835
820R
C917
R834
22pF
820R
L812
AGND
+10V
100uH
C930
Q829
100u/16V
C1740
R904
+5V
820R
C915
22pF
R903
820R
AGND
CT_B
+9V
R915
1K
V_MUTE
Q839
C114
SDET
YUVDET
GND
R836
C940
L809
GND
27uH
C916
12pF
L808
GND
27uH
C914
12pF
C805
22P
O_CS
O_DATA
O_CLK
DGND
R988
R989
100R
R830
3K9
R902
Q832
12K
103
C901
1K
R801
560R
C921
Q831
103
C1740
R895
G
R833
6.8K
R896
12K
R829
6.8K
L816
100uH
R809
1K
R802
R803
R804
R805
R806
R807
R808
L817
27uH
U816
VCC
-5V
RGB from MCU
PAL-DET
V_DIRE
ZV5
ZV4
ZV3
ZV2
+5V
1K2
R901
560R
R900
560R
Q825
A933
Q828
C1740
RV801
2K
R894
560
R899
560R
+5V
C810
100u/16V
U810
1
VSS
2
X1_IN
X801
14.318M
3
X1_OUT
4
HSYNC
5
X2_IN
X802
17.734M
6
X2_OUT
7
VSYINC
1K
8
CS
1K
9
SIN
1K
10
SCLK
1K
11
SECAM
1K
12
525
1K
13
N/P
1K
14
3.58
RST15CV_OUT
C809
LC74763A
1u/50V
R987
270R
C846
22p
AGNDAGNDAGND
8
7
Yout2V
6
C929
470u/10V
5
+5V
C912
103
GND
16
P803
P16
R832
1.2K
103
C899
47u/16V
R828
1.2K
C80122P
C80222P
C80322P
C80422P
C80647P
C80747P
C80847P
CT_D
CT_E
CT_A
CT_C
AGND
C847
22p
1
2
GND
3
4
BA7623F
L807
100uH
1K
AGNDAGND
R898
A933
220R 1/4W
C875
R940
10u/16V
33
Q833
C1740
R891
R905
1.2K
820R
Q826
C1740
R890
R889
1.2K
820R
C887
103
GND
30
VDD
29
SYNCDET
28
VCO_O
27
VCO_I
26
FC
25
AMP_O
24
AMT
23
PD_OUT
22
VSS
21
SEPC
20
SYNC
19
CVCR
18
CV_IN
17
VDD2
16
1
U823A
TK15420
R861
2K
R862
1K
R929
0
R928
75
R883
75
C932
1000u
10V
R941
L801 2.2uH
3
2
R856
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
C818
R821
0.47u/50V
1N4148
2K7
R820
47K
SYN
C819 30P
C817 22P
L819 3.9uH
C815
C820
682
R858
10K
R819
1K
AGND
R814
220
Q843
1468
R9013
4K7
C856
2.2u/50V
C855
2.2u/50V
AGND
C816
223
AGND
+5V
Q801
C1740
R9161KR919
R810
100K
GND
V_DIRE
R851
33
GND GND
O_DATA
O_CLK
O_CS
+9V
10
R818
120
R817
1u/50V
6K8
R816
1K5
C813
1200P
C812
0.47u/50V
+5V
AGND
C814
474
AGND
C886
47P
AGND
R860
4K7
560
+5V
L810
100uH
GND
123456789101112131415
GND
R813
4K7
3K3
C811
100u/16V
C937
103
16
15
14
13
12
11
10
9
L811
100uH
P802
P10
U804
16
15
14
13
12
11
10
9
BA7625
+5V
C945
47u/16V
GND
Mout
IN1
GND
CTLA
Vout1
GND
Vcc
IN2
CTLE
CTLB
Vout2
CTLD8CTLC
U803
BA7625
+5V
C938
C946
103
47u/16V
GND
1
Mout
IN1
2
GND
CTLA
3
IN5
Vout1
4
GND
Vcc
5
IN4
IN2
6
CTLE
CTLB
7
IN3
Vout2
CTLD8CTLC
GNDGND
V_DIRE
SDET
Prog-det
C925
103
PAL-DET
+5V
GND
-5V
CTLA VIDEO OUT
CTLE
0
0
VIDEO(OSD) (IN3)
0
VIDEO DIRECT (IN4)
1
1
0
S-VIDEO to VIDEO (IN5)
1
2
3
IN5
4
5
IN4
6
7
IN3
SDET
Prog-DETZV1
V_MUTE
123456789
GND
R893
100R
R892
100R
R815
820K
AGNDAGND
GND
C894
103
GND
U807
4
VCC
3
2
1
G
GND
BA7623F
CTLECTLA S_VIDEO OUT
0011S_VIDEO DIRECT (IN1,IN4)
SCMAIN2VU
C923
2.2u/50V
C859
2.2u/50V
R9010
100
C895
104
C885
104
GND
SYMAIN2VU
U806
BA7623F
1
G
2
GND
3
+5V
4
+5V
C941
47u/16V
Z2VU
GND
+5V
R917
1K
R912
Q835
10K
C114
NAND
R911
10K
Q836
C114
GND
+5V
U802
1
8
CS OP
Vcc
2
7
C VID IP
OE OP
3
6
VS OP
Rset
5
GND4BURST OP
LM1881
84
U823C
TK15420
C933
470u/10V
U811
8
1
G
2
7
3
6
4
5
VCC
BA7623F
+5V
C911
103
GND
A & R cambridge ltd
MODEL: AVR300
OSD SCH
DWN.BY: BQ yang
APP.BY:
+5V
5
6
7
8
S_VIDEO OSD (IN2,IN5)
VCC
C910
GND
R930
75
V-MU
1110987654321
8
7
6
5
103
C939
103
R918
680K
GNDGND
R931
75
GND
R824
75
R825
75
R826
75
R827
75
Q805
D1468
R8873KR888
GND
R852
3K
GND
Q803
D1468
C922
103
CVBS1V
R884
3K
R913
3K
GND
R932
75
R881
75
SHEET 4 OF 13
ISSUE: M1
DATE:06/APR/2004
DATE:
12
C873
10u/16V
SV807A
VCR2 OUT
C872
470u/10V
C871
10u/16V
C870
470u/10V
R822
75
3K
R823
75
R879
75
Q806
D1468
C
Y
SV806A
VCR1 OUT
C
Y
D
GND
Q804
D1468
C874
470u/10V
GND
C876
10u/16V
C
Y
R886
3K
GND
Q802
D1468
V-MU
SV808A
MONITOR
GND
C
P801
1
2
GND
ZONE2_O
B
12K
-5V
R8014
12K
R8015
C877
VA808B
MON
1000u/10V
GND
Q821
D1468
GND
VA807B
VCR2_OUT
C934
470u/10V
GND
VA806B
VCR1_OUT
C879
470u/10V
GND
A