Page 1
Service
DiVA
Manual
Draft Copy
AVR250/300 AV Receiver
ARCAMARCAM
Bringing music & movies to lifeBringing music & movies to life
Page 2
AVR250
AVR250 Circuit diagrams
Page 3
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
39
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
32
33NC34
31
P2.529P2.630P2.7
ALE
PSEN
GND
17
RS1
RS2
P102B
3
2
1
P3
Q1003
C123
Q1002
C123
U1002
28
P2.4
27
P2.3
26
P2.2
25
P2.1
24
P2.0
23
NC
22
21
X1
20
X2
19
P3.7
18
P3.6
CR1001
12M
C1001
20P
SD
R1019
P1002A
P2A
10K
R1030
10K
4
D
54
GR10
GR11
GR12
GR13
GR14
C
IR801
1
R1015
C1003
47u/16V
2
470
3
B
C1009
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
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
Page 4
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
220u/16V
EXT_SLIN
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_ S0
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
52
51
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
4V7
47u/16V
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
56
58
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
R577
12
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
R425
3K9
R429
3K9
R433
3K9
R437
3K9
R441
3K9
R445
3K9
U406A
R624
NE5532
10K
C440
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
C448
NE5532
10K
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
Page 5
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
221
R3106
220
C3103
221
R3109
220
C3106
221
R3110
220
C3105
221
R3113
220
C3108
221
R3114
220
C3107
221
R3117
220
C3110
221
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
100K
R3107
100K
R3112
100K
R3111
100K
R3116
100K
R3115
100k
R3120
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
ARCAM 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
Page 6
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
1
8
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
4
GND
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
G
L803
100uH
U805
BIAS
VRT
VDD1
TESTI1
VSS2
VRB
YCIN
TEST
KILLER
TESTI2
VDD3
TEST2
VDD2
TESTI314SCL
TC90A69
C853
2.2u/50V
R949
10K
R914
1K
R909
10K
R811
7K5
VCC
TESTOUT
COUT
YOUT
MODE1
GND_1GND
VB1
VSS1
VB2
PD
FIL
VSS4
VDD4
FSC
SDA
00
01
11
R846
3K
GND
GND
GND
R9011
8
7
6
5
NF
R907
10K
C927
10u/16V
C928
470u/10V
+5V
C913
103
GND
C840
28
WIMA
103
27
26
25
24
C837
WIMA
681
23
22
R831 330
21
20
19
Fsc
18
17
16
O_SD
15
O_CL
CTLBCTLA VIDEO OUT
YUV (IN1)
S_VIDEO (IN3 )
VIDEO (IN4)
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
+5V
GND
R924
75
R923
75
R92575R926
L813
+10V
75
100uH
C826
GND GND
C836
WIMA
103
C835
103
+5V
GND
Mout
GND
GND
CTLE
CTLD8CTLC
R845
1K
Q837
C114
+10V
C834
WIMA
103
AGND
+5V
C920
L806
100u/16V
100uH
C892
103
1
2
3
R837
IN5
150R
4
C854
2.2u/50V
5
IN4
6
7
IN3
GNDGND
Q824
C114
GND
R910
10K
Q838
C114
GND
100u/16V
Q830
C1740
R835
L809
27uH
820R
C917
R834
22pF
820R
L812
AGND
100uH
C930
Q829
100u/16V
C1740
R904
L808
27uH
820R
C915
C914
22pF
12pF
R903
820R
AGND
CT_B
C805
O_CS
O_DATA
O_CLK
R989
100R
+9V
R915
1K
V_MUTE
Q839
C114
SDET
YUVDET
GND
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
820R
1.2K
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
C1740
R813
4K7
R9161KR919
3K3
C811
100u/16V
R810
100K
GND
C937
103
16
15
14
13
R851
33
12
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
Mout
2.2u/50V
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
1
2
GND
3
4
C821
WIMA
103
1
C822
2
WIMA
103
3
C824
4
WIMA
103
5
C830
WIMA
103
6
C825
7
0.47u/50V
8
9
10
AGND
11
C833
103
12
13
DGND
C831
103
DGND
DGND
C852
2.2u/50V
C838
470u/16V
+5V
SDET
+5V
YUVDET
RGB_8V
SDET
C845
10u/16V
Q810
A933
V-MU form MCU
C843
223
C894
+5V
103
GND
U807
4
5
VCC
3
6
2
7
1
8
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
1
8
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
4
5
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
Y
C
SV806A
VCR1 OUT
Y
C
D
GND
Q804
D1468
C874
470u/10V
3K
GND
C876
10u/16V
75
Y
C
SV808A
MONITOR
GND
C
P801
1
2
GND
ZONE2_O
B
-5V
C877
VA808B
MON
1000u/10V
GND
Q821
D1468
VA807B
VCR2_OUT
GND
VA806B
VCR1_OUT
GND
A
470u/10V
R886
470u/10V
3K
GND
Q802
D1468
V-MU
12K
R8014
12K
R8015
GND
C934
C879
Page 7
7654321
8
D
U821 BA7623F
1
G
2
C984
10nF
AGND AGND
R975
1k
AGND
C993
10nF
GND
3
4
+5V
GND
RGB from MCU
RGB
Other
L
C985
R974
100nF
10k
C987
100nF
WIMA
AGND
C990
C991
SCMAIN2 VU
SYMAIN2 VU
C
+9V
C983
B
A
47uF/16V
AGND
+5V
C988
10uF/16V
L814
100uH
C992
47uF/16V
AGND
1 2 3 4 5 6 7 8
C955
47u/16V
SYNC-OFFH
SYNC-ON
C989
100nF
C957
R960
10u/16V
10
11
12
13
14
15
C956
1
2
3
4
5
6
7
8
9
C958
470u/10V
103
R972
1K
Q9011
C114
R_Y Clamp Det.
R-Y to CCD
B-Y to CCD
R-Y AGC Det.
VCC
Filter Adj.
S.C.P In
B-Y AGC Det.
PLL Det.
Clock
Clock In
VSS
Vin1
VDD
Vin2
75
R962
75
R96175R963
75
GND GND
+9V
AFC FILTER
C967
2.2u/50V
R967
GND
R-Y/R1V
B-Y/B1V
Y/G1V
3K
C968
22nF
GND
R969
5.1K
R970
8.2K
+9V
6
P803B
PIN6
+5V
+9V
R9018
1K
Q9014
30
29
C981 100nF
28
27
C919
26
C918
25
24
23
22
21
AGND
20
19
18
17
16
GND
RYout
BYout
GND
RY/Cr
100nF
BY/Cb
100nF
C998 470nF
C996
1uF/16V
C994
1uF/16V
C114
C997
AGND
C995
1uF/16V
AGND
GND
U822
R-Y Out
B-Y Out
B-Y Clamp Det.
R-Y In
B-Y In
MODE SW2
MODE SW1
B-Y from CCD
R-Y from CCD
GND
Vgg
Vout1
Vob1
Vob2
Vout2
TA8772AN
1N4148
D805
RGB_8V
+9V
R981
270k
R980
47K
R983
AGND
AGND
30K
R982
Q842
27K
1k
+5V
Q841
C1740
R977
1k
+5V
Q840
C1740
R976
1k
AGND
A933
R984
100K
AGND
R979
10K
R978
470nF
AGND
SYNC SEP FILTER
R965
30K
C961
0.22u/50V
C969
1000u/16V
12345
C959
12pF
C962
2200pF
DGND
GND
GND
DGND
X803
C966
2.2uF/50V
R966
R968
330R
U813
1
XTAL 1
C999
2
XTAL 2
3
XTAL 3
4
APC Filter
5
C GND
AGND
6
CHROMA input
7
V-SEP
8
Sync input
3K3
9
Sync output
10
AFC Filter
11
SYNC GND
AGND
12
32 fH VCO
13
VP output
14
HD output
15
SCP output
16
Dig GND
DGND
17
CP / HP input
18
SYNC VCC
19
SW VCC
20
Y/G output
R986
NF
21
B-Y/B output
22
R-Y/R output
R971
23
ADRS SW
1K
24
SW GND
DGND
TA1270BF
R-Y/Cr Output
B-Y/Cb output
SECAM CONT
1HDL CONT
fsc output
UV/CbCr SW
DAC VCC
Y input
Y output
DAC TEST
R-Y1 input
B-Y1 input
Y1 Input
I2C GND
R-Y2 input
B-Y2 input
Y2 input
C VCC
DAC1
DAC2
48
RY/Cr
47
BY/Cb
46
45
44
43
42
41
40
39
38
37
36
GND
GND
35
34
SDA
33
SCL
32
Ys
C976
31
100nF
30
C974
29
100nF
28
DGND
C973 104
27
C972 104
26
C971 104
25
C839
R990
100u/16V
510R
L815
C978
10nF
R973
1K
WIMA
C975
100nF
WIMA
100uH
C977
1000u/16V
GND
C965
100nF
O_SD
O_CL
RGB _8V
RYout
BYout
WIMA
R946
100
R945
100
+5V
C950
10u/16V
C949
10u/16V
C951
22u/16V
R947
220R
C907
47u/16V
L818
27uH
C8001
15p
C943
33p
AGND
-5V
C8003
103
C8002
R991
10p
1K5
-5V
C954
47u/16V
GND
AGND
R953
10K
AGND
AGND
R993
2K
R992
820
123
45
678
R959
100
R957
R958
470
10K
R955
R954
300
300
123
45
U819
TK15420M
678
R951
300
RV805
R948
R950
300
10K
U820
TK15420M
+5V
RV803
R985
R956
RV804
1K
+5V
1K
R952
1K
1K
1K
R994
10R
C953
47u/16V
C832
10nF
Fsc
TO U805 PIN19
AGND
R944
75
2K
C952
47u/16V
AGND
Y/G1V
R943
150
B-Y/B1V
R942
150
R-Y/R1V
4.433619MHz
X804
C960
3.57954MHz
12pF
DGND
C963
WIMA
0.01uF
+9V
C964
100nF
WIMA
X805
B503F30
D804
NF
C970
10nF
ARCAM Sound & Vision.
MODEL: AVR250
S- VIDEO SCH
DWN.BY: Xiao Xie
APP.BY:
SHEET 5 OF 13
ISSUE: A
DATE: 11/JUN/2004
DATE:
8
7
6
5
VCC
C979
100nF
AGND
C980
100nF
AGND
C986
100nF
AGND
AGND
470nF
470nF
D
C
B
A
Page 8
321
4
D
C
B
A
M201E
Y
M201A
Cr/Pr
M201C
Cb/Pb
M202E
Y
M202A
Cr/Pr
VIDEO3 VIDEO OUT
M202C
Cb/Pb
M201F
Y
M201B
Cr/Pr
VIDEO2
M201D
Cb/Pb
M202F
Y
M202B
Cr/Pr
VIDEO1
M202D
Cb/Pb
R299
75
U204
R297
75
R295
75
R293
75
R292
75
R291
75
R281
75
R290
75
R289
75
R288
75
R287
75
R286
75
R266 75
R267 75
R268 75
R27175R27075R269
75
R-Y/R1V
Y/G1V
B-Y/B1V
1
2
3
4
5
6
7
8
R284
R283
75
75
1
2
3
4
5
6
7
8
75
RED1
GREEN1
BLUE1
GND
GND
RED2
GREEN2
BLUE2
RED1
GREEN1
BLUE1
GND
GND
RED2
GREEN2
BLUE2
LT1675
U201
LT1675
R26575R26475R263
16
+V
15
RED_O
14
GREEN_O
13
BLUE_O
12
-V
11
-V
10
SELECT
9
EN
Q299
C114
U202
16
+V
15
RED_O
14
GREEN_O
13
BLUE_O
12
-V
11
-V
10
SELECT
9
EN
LT1675
1
RED1
2
GREEN1
3
BLUE1
4
GND
5
GND
6
RED2
7
GREEN2
8
BLUE2
R280
4K7
R279
18K
RED_O
GREEN_O
BLUE_O
SELECT
C_VIN
ZV5
+5V
ZV4
C_VIN
ZV5
16
+V
15
14
13
12
-V
11
-V
10
YUV-DET-U204
9
EN
V_MU
C283
103
C285
103
SELECT
0
1
+5V
C298
C292
103
10u/16V
-5V
C297
C291
10u/16V
103
+5V
C295
C289
10u/16V
103
-5V
C296
C290
10u/16V
103
C_VO
+5V
C284
10u/16V
-5V
C286
10u/16V
OUT
S-VIDEO to YUV
YUV or RGB
R275
75
C_VIN +5V
C299
R276
75
470U/16V
R277
75
V_MU
C_VIN
-5V
+5V
GND
+5V
-5V
123456789
P803
TO VIDEO BOARD
R274
75
-5V
C293
C287
103
10u/16V
C_VIN
V_MU
ZV4
C_VO
V_DIRE
ZV5
YUVDET
10
1
2
3
ZV4
C_VO
V_DIRE
ZV5
YUVDET
U203
Vin1
GND
Vin2
-V4SELECT
LT1675-1
+V
EN
VOUT
R-Y/R1V
B-Y/B1V
Y/G1V
8
7
6
5
C288
103
V_DIRE
C222
22P NPO 0805
L206
2U2H SM
VID_GND
C223
22P NPO 0805
VID_GND
C224
22P NPO 0805
VID_GND
C216
270P NPO 0805
C217
270P NPO 0805
C218
270P NPO 0805
C220
330P NPO 0805
L207 2U2H SM
C221
330P NPO 0805
L208 2U2H SM
C225
330P NPO 0805
ARCAM Sound & Vision.
MODEL: AVR250
COM_VIDEO SCH
R285
75
1 2 3 4
DWN.BY: Xiao Xie
APP.BY:
ZV4 ZV5 YUV OUT
1
1VIDEO3
1VIDEO20
0 0 VIDEO1
FULL-PAGE
0
12345
6
P802
TO VIDEO BOARD
C294
10u/16V
1
SHEET 6 OF 13
ISSUE: A
DATE:11/JUN/2004
DATE:
D
C
B
A
Page 9
D
C
B
A
JA251B
REMOTE-OUT
JA255B
IR INPUT
JA255A
REMOTE-IN(ZONE2)
DB201
1
6
2
7
3
8
4
9
5
RS232
GND18 GND18
Tip = Signal
Ring = 0V
Sleeve = +12V
REMOTE_IN(LOCAL)
Tip = Signal
Ring = 0V
Sleeve = +12V
Tip = Signal
Ring = 0V
Sleeve = +12V
C214
0.1uF
IR INPUT
R245
75
R244
R286
150R/1W
D214
1N4004
D213
1N4148
D203
4148
75
D205
4148
RXE017
R240
1N4004
D215
D206
4148
D204
4148
R242
470R
R266
470R
R243
R267
C216
1u/50V
C217
1u/50V
GND18
1K
1K
C215
1u/50V
U204
1
C1+
2
V+
3
C1-
4
C2+
5
C2-
6
V-
7
T2OUT
R2IN8R2OUT
C218
1u/50V
C254
10u/16V
1
2
3
4 5
OPO201
6N135
L201
BL01RN1
NF
1
2
3
4 5
OPO202
6N135
L202
BL01RN1
16
MAX232D
T1OUT
R1OUT
VCC
GND
R1IN
T1IN
T2IN
C219
15
47u/16V
14
GND18
13
12
11
10
P3.1
9
P3.0
GND18
TC2973-010
D_C D_B D_A
AV 000
SAT001
PVR010
TAPE011
CD 100
+5V(D)
8
7
6
+5V(D)
8
7
6
R247
2K2
R271
2K2
DGND
DGND
R248
R272
101DVD
1K
NF
1K
NF
FROM MAIN BOARD P805B
1
+20V
2
3
RS2
4
RS1
5
6
4094
7
DATA
8
CLK
9
+12V
10
TC2973-010
R249
270K
C232
100N
R273
270K
C244
100N
R287
1K2
R274
1K2
P805A
+5V(D)
+5V(D)
321
R250
100 0.25W
C114
Q222
D212
IN4148
R236
D207
1N4148
D208
1N4148
D209
1N4148
Q209
DTC114
Q217
DTC114
2SC2229
Q210
GND18
+20V
Q257
C114
Z250
13V
R237
3K 0.25W
Z255
6V8
Q219
DTC114
R265
10K
Q5
Q6
10R/1\2W
2SC2229
Q218
R298
10u/16V
GND18
C230
C221
10u/16V
47u/16V
R309
3K
R311
3K
C202
Z256
13V
1
6
P205A
FROM KEY BOARD P205B
R246
RXE017
C222
10u/16V
IROUT
C227
10u/16V
U206
78L12
Vin
47u/16V
IR IN
R260
100 0.25W
+20V
C204
Q3
Q4
R261
3K 0.25W
Z251
Q211
6V8
DTC114
Q212
C114
+20V
R269
100 0.25W
1K 0.25W
Z253
Q215
6V8
DTC114
Q226
C114
R238
RXE017
C228
10u/16V
3
+12V
10u/16V
GND
C229
2
GND18
Q9
Q10
84
+5V
12345
R270
U207C
TS9721D
R293
Q213
2SC2229
Z252
C223
13V
10u/16V
2SC2229
Q214
Z254
13V
C225
10u/16V
10u/16V
A949
Q231
A949
Q230
470
R291
470
R294
470
Q228
DTC114
+5VD
84
U208C
C238
TS9721D
10u/16V
ARCAM Sound & Vision.
MODEL: AVR250
R268
100 1W
Q1
Q2
P122B
TO DSP BOARD P122A
4
3
2
1
Q233
C114
C253
104
GND1 8
R302
3K3
R303
1K5
+5V(D)
R259
4K7
7
Q220
+5V(D)
R283
4K7
7
DTC114ES
C203
47u/16V
Q223
R310
3K
C201
47u/16V
3K
R308
R296
2K2
GND18
Q221
C114
+20V
3K 0.25W
Q208
DTC114
GND18
GND18
+20V
Q7
Q8
R305
2K2
Z233
3V3
R262
10K
C237
10P
C249
10P
C220
+5V
10u/16V
GND18
+5V(D)
+5V(D)
GND18
16
15
14
Q3
13
Q4
12
Q7
11
Q8
10
9
C252
104
GND18
16
ZONE_VMUT
15
14
D_A
D_B
13
D_C
12
11
10
9
R299
10K
Q235
C114
R257
R258
3K3
22K
6
5
U207B
TS972ID
DTC114ES
R256
1.5K
R289
15K
R281
R282
3K3
22K
6
5
U208B
TS972ID
R280
1K5
U205
74HC4094
1
STR
GND18
GND18
1
1
R301
VDD
2
DA
O_EN
3
CLK
Q5
4
Q1
Q6
5
Q2
Q7
6
Q3
Q8
7
Q4
Q'S
VSS8QS
R306
220
+5V
U209
74HC4094
1
STR
VDD
2
DA
O_EN
3
CLK
Q5
4
Q1
Q6
5
Q2
Q7
6
Q3
Q8
7
Q4
Q'S
VSS8QS
Q236
A114
Q234
C114
1K5
R254
10K
D210
1N4148
R255
C236
470K
680p
R278
10K
D211
1N4148
R279
C248
680p
470K
4094
DATA
CLK
Q1
Q2
Q5
Q6
D202
4148
220
R252
1K8
R275
1K8
4094
CLK
Q9
Q10
R307
D201
4148
GND18
R300
R304
2K2
3K3
Z232
3V3
GND18
C235
C234
150P
150P
R253
680K
R251
2
3K3
3
U207A
TS972ID
C233
100N
C247
C246
150P
150P
R277
680K
R276
2
3K3
3
U208A
TS972ID
C245
100N
+5V
RS232 SCH
DWN.BY:
Xiao Xie
4
R263
RXED17
C224
10u/16V
R284
RXE017
C226
R292
2K
C250
104
Q229
DTC114
C240
C239
104
10u/16V
SHEET 7 OF 13
ISSUE: A
DATE:11/JUN/2004
GND18
RXED17
R295
RXED17
C251
104
C241
104
R239
GND1 8
GND18
JA253A
1/RGB
JA251A
2/S-VIDEO
Sleeve = 0V
JA253B
12V-TRIGGER-OUT
Tip = Main Zone
Ring = Zone 2
Sleeve = 0V
D
C
B
A
1 2 3 4
APP.BY:
DATE:
Page 10
CO101A
COAXIN1
D
C
B
A
DVD
CO101B
COAXIN2
AV
CO101C
COAXIN3
CD
D112
1N4148
OP101
DIGIN1
TAPE
OP102
DIGIN2
PVR
OP103
DIGIN3
SAT
SD_ADDR0/EXTA0
SD_ADDR1/EXTA1
SD_ADDR2/EXTA2
SD_ADDR3/EXTA3
SD_ADDR4/EXTA4
SD_ADDR5/EXTA5
SD_ADDR6/EXTA6
SD_ADDR7/EXTA7
SD_ADDR8/EXTA8
SD_ADDR9/EXTA9
SD_ADDR10/EXTA10
SD_DATA8 /EXTA11
SD_DATA9 /EXTA12
SD_DATA10/EXTA13
SD_DATA11/EXTA14
SD_DATA12/EXTA15
SD_DATA13/EXTA16
SD_DATA14/EXTA17
SD_DATA15/EXTA18
SD_BA/EXTA19
SD_DQM0
SD_WE#
SD_CAS#
SD_RA#
SD_CS#
SD_CLK_EN
SD_CLK
SD_DQM1
1N4148
4
+3.3V
+2.5VD
GND
C127
C108
.1uF
1uF
C128
C109
.1uF
1uF
C159
10u/16V
L112
Ferrite bead
1
2 3
+2.5VD
GND
L109
IN5
L102
10uH
OP104OP2
1
2
3
C116
104
D
GND
4
C131
104
Ferrite bead
L113
CO101D
R198
COAXOUT
75
C130
103
GND
3
M101
R100
DST2
150
C115
C161
.1uF
GND
222
GND
R233
U105
10
74HCT04
8
9
10
R228
47K
11
12
13
14
Vcc
R191 100
DDOUT
SDOUT
8_LRC
8_SCL
ZONE_VMUT
SCLK
DIN1
DIN2
DIN3
DIN4
LRCLK
EXTD0
EXTD1
EXTD2
EXTD3
EXTD4
EXTD5
EXTD6
EXTD7
P103
2PIN
2
C129
102 16V
7
GND
GND
6
5
4
3
2
1
R124
2K2
C133
10u/16V
Q102
1468
R105
75
1
2
C134
223
1
C
C103
47u
R235
10
R232
10
R234
10
B
R104
R101
3K
3K
Q101
1468
CO102
C132
470u/10V
VID OUT
A
SHEET 8 OF 13
ISSUE: A
DATE:11/JUN/2004
DATE:
+2.5VD
R116
R114
R115
R131
R148
R149
R151
R152
R159
R161
R180
R162
R168
R169
R170
R171
R172
+3.3V
C135
.1uF
GND
C137
.1uF
+3.3V
C138
.1uF
GND
C136
.1uF
+3.3V
100
2V-MRESET/
NV_WE#/GPIO16
NV_OE#/GPIO15
NV_CS#/GPIO14
SD_ADDR0/EXTA0
SD_ADDR1/EXTA1
SD_ADDR2/EXTA2
SD_ADDR3/EXTA3
SD_ADDR5/EXTA5
SD_ADDR6/EXTA6
SD_ADDR7/EXTA7
SD_ADDR8/EXTA8
SD_ADDR9/EXTA9
SD_ADDR10/EXTA10
SD_DATA8 /EXTA11
SD_DATA9 /EXTA12
SD_DATA10/EXTA13
SD_DATA11/EXTA14
SD_ADDR4/EXTA4
SD_DATA12/EXTA15
SD_DATA13/EXTA16
SD_DATA14/EXTA17
SD_DATA15/EXTA18
SD_BA/EXTA19
SD_DQM0
SD_WE#
SD_CAS#
SD_RA#
SD_CS#
SD_CLK_EN
SD_CLK
SD_DQM1
321
GND
10K
129
10K
141
120
10K
121
10K
139
10K
130
10K
116
10K
115
10K
112
10K
105
10KR160
10K
10K
10K
10KR167
10K
10K
10K
10K
10K
10KR173
10KR175
C171
1uF
C162
1uF
C164
1uF
C163
1uF
135
142
136
140
144
2
EXTA0
1
5
EXTA1
4
CS494003
/CS,GPIO9
HINBSY,GPIO8
/WR,/DS,GPIO10
/RD,R/W.GPIO11
A1,GPIO12
A0,GPIO13
HDATA0,GPIO0
HDATA1,GPIO1
HDATA2,GPIO2
HDATA3,GPIO3
97
HDATA5,GPIO5
96
HDATA6,GPIO6
95
HDATA7,GPIO7
29
FDAT0
27
FDAT1
24
FDAT2
22
FDAT3
19
FDAT4
18
FDAT5
14
FDAT6
9
FDAT7
89
NC1
88
NC2
84
NC3
83
NC4
48
NC5
42
VDDSD4
41
VSSSD4
50
VSSSD3
51
VDDSD3
58
VDDSD2
57
VSSSD2
69
VSSSD1
70
VDDSD1
3
/INTREQ,/ABOOT
/SCS
SCCLK
SCDIN
SCDOUT,SCDIO
16
/FINTREQ
15
/FCS
6
FAO,FSCCLK
4
FA1,FSCDIN
7
FHS2,FSCDIO,FSCDOUT
/RESET
30
/NV_WE#,GPIO16
31
/NV_OE#,GPIO15
32
/NV_CS#,GPIO14
73
SD_ADDR0,EXTA0
74
SD_ADDR1,EXTA1
75
SD_ADDR2,EXTA2
76
SD_ADDR3,EXTA3
66
SD_ADDR5,EXTA5
65
SD_ADDR6,EXTA6
63
SD_ADDR7,EXTA7
62
SD_ADDR8,EXTA8
60
SD_ADDR9,EXTA9
72
SD_ADDR10,EXT A10
56
SD_DATA8,EXTA1 1
55
SD_DATA9,EXTA1 2
54
SD_DATA10,EXTA13
53
SD_DATA11,EXTA14
67
SD_ADDR4,EXTA4
52
SD_DATA12,EXTA15
49
SD_DATA13,EXTA16
47
SD_DATA14,EXTA17
46
SD_DATA15,EXTA18
71
SD_BA,EXTA19
39
SD_DQM0
33
/SD_WE
78
/SD_CAS
77
/SD_RAS
68
/SD_CS
64
SD_CLK_EN
61
SD_CLK_IN
59
SD_CLK_OUT
45
SD_DQM1
R181
10K
R183
10K
U101
GND
GND
10
20
21
VSS7
VDD6
VDD7
UHS1,GPIO18
FHS1,/FRD,FR/W
UHS2,/CS_OUT,GP IO17
UHS0,GPIO18
FHSO,/FWR,FDS
HDATA4,GPIO4
LDCLKN,GPIO23
SCLKN,GPIO22
SDATA0,GPIO24
SDATA1,GPIO25
SDATA2,GPIO26
SDATA3,GPIO27
AUDATA4,GPIO28
AUDATA5,GPIO29
AUDATA6,GPIO30
AUDATA7,XMT958B,GPIO30
FSCLKN1,STCC LK2
FSDATAN1
FLRCLKN1
CMPDAT,FSDATAN2
CMPREQ,FLRCLKN2
CMPCLK,FSCLKN2
AUDATA0
AUDATA1
AUDATA2
AUDATA3,XMT958A
SD_DATA0,EXTD0
SD_DATA1,EXTD1
SD_DATA2,EXTD2
SD_DATA3,EXTD3
SD_DATA4,EXTD4
SD_DATA5,EXTD5
SD_DATA6,EXTD6
SD_DATA7,EXTD7
11
DBCK
DBDA
VSS6
FDBDA
FDBCK
CLKSEL
PLLVSS
GPIO20
GPIO21
VDD5
VDD4
VDD3
VDD2
VDD1
PLLVDD
TEST
VSS5
VSS4
VSS3
VSS2
VSS1
FILT2
FILT1
26
25
23
17
28
128
122
2
13
143
1
12
5
8
138
C139
.1uF
137
133
C158
.1uF
132
114
C143
.1uF
113
101
C167
.1uF
100
90
C166
.1uF
91
125
123
124
+2.5VD
R118 10K
R119 10K
R120 10K
R117 10K
GND
R212 3.3K
R213 3.3K GND
R214 3.3K
R215 3.3K
R216 3.3K
C165
1uF
GND
C157
1uF
+2.5VD
C168
1uF
GND
C170
1uF
+2.5VD
C169
1uF
GND
C154
2.2uF
.01uF
C153
R218
3K
C155
68pF
+2.5VD
+2.5VD
+2.5VD
L103
EXC-ML45A910U
C160
.1uF
C156
1.2nF
GND GND
DIG_OUT
+2.5VD
R285
10K
GND
C147
104
R103
100
+5V
12.288M
MCLK2
2V_DSP_SCLK
2V_DSP_AUDATA0
2V_DSP_AUDAT1
2V_DSP_AUDAT2
2V_DSP_AUDAT3
2V_DSP_LRCLK
R177 100
R178 100
R179 100
R182 100
R208 100
R209 100
R210 100
R211 100
XTALO
SCK1
LRCLK1
CLKIN
MCLK
SCLKO
LRCLK0
126
103
R190 10K
85
R220 10K
86
R221 10K
82
R222 10K
81
R223 10K
R102 10K
80
R224 10K
79
98
87
102
94
93
92
127
2V_12.288MHZ
134
2V_ADC_SCLK
131
2V_ADC_SDATA
2V_ADC_LRCLK
119
2V_SPDIF_SDOUT
118
2V_SPDIF_LRCLK
117
2V_SPDIF_SCLK
111
2V_MCLK_DSP
99
104
R228 33
R229 33
110
109
R230 33
R227 33
107
106
R225 33
R226 33
108
SD_DATA0 /EXTD0
34
35
SD_DATA1 /EXTD1
SD_DATA2 /EXTD2
36
37
SD_DATA3 /EXTD3
38
SD_DATA4 /EXTD4
40
SD_DATA5 /EXTD5
43
SD_DATA6 /EXTD6
SD_DATA7 /EXTD7
44
ARCAM Sound & Vision
MODEL: AVR250
DSP SCH
DWN. BY: XiaoXie
APP.BY:
C117
104
D105
D104
1N4148
R197
75
GND
C121
104
D107
1N4148
+3.3V
R199
75
D106
1N4148
GND
GND
C120
D109
104
1N4148
R200
75
D108
1N4148
GND
+3.3V
D111
R123
GND
GND
GND
10K
C146
103
C140
10u/16V
C145
103
C141
10u/16V
C144
103
C142
10u/16V
R133 100
R134 100
R135 100
R136 100
R137 100
R138 100
R139 100
R140 100
R141 100
R142 100
R143
R144 100
R145
R146 100
R147 100
R150 100
R153 100
R154 100
R155 100
R156 100
R157 100
R158 100
R163 100
R164 100
R165 100
R166 100
R174
R176 100
C175
104
L107
10uH
L106
10uH
L105
10uH
1N4148
1
2
3
1
2
3
1
2
3
R189
10K
R188
10K
R187
10K
100
100
100
GND
14
C101
103
Vcc
1
C178
100u/50V
D110
1N4148
EXTA0
EXTA1
EXTA2
EXTA3
EXTA4
EXTA5
EXTA6
EXTA7
EXTA8
EXTA9
EXTA10
EXTA11
EXTA12
EXTA13
EXTA14
EXTA15
EXTA16
EXTA17
EXTA18
EXTA19
SD_DQM0_R
SD_WE#_R
SD_CAS#_R
SD_RA#_R
SD_CS#_R
SD_CLK_EN_R
SD_CLK_R
SD_DQM1_R
R193
47K
D_TAPE
D_PVR
R204
R203
47K
13
2
680
D_CD
+5V_D
12
3
D_SAT
R185
680
U102
74HCU04
10
11
4
5
GNDGND
GND
R206
470
R297
910
GND
EXTA0
EXTA1
EXTA2
EXTA3
EXTA4
EXTA5
EXTA6
EXTA7
EXTA8
EXTA9
EXTA10
EXTA11
EXTA12
EXTA13
EXTA14
EXTA15
EXTA16
EXTA17
EXTA18
EXTA19
SD_DQM0_R
SD_WE#_R
SD_CAS#_R
SD_RA#_R
SD_CS#_R
SD_CLK_EN_R
SD_CLK_R
SD_DQM1_R
R202
680
R184
R126
D_AV
R201
47K
8
9
GND
6
7
GND
D_DVD
R125
470
R192
910
GND
CDOUT
8415
C113
103
470
C125
C174
472
C126
104
R109
470
GND
R205
KM416S1120DT
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
BA
LD QM
WE
CAS
RAS
CS
CKE
CLK
UDQM
N.C/RFU
1K2
D_RST
MCLK
INT
U107
103
VDD
VDD
VDDQ
VDDQ
VSSQ
VSSQ
VSSQ
VSSQ
VSSQ
VSSQ
VSS
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
VSS
910
C124
103
C105
103
21
22
23
24
27
28
29
30
31
32
20
39
40
42
43
45
46
48
49
19
14
15
16
17
18
34
35
36
37
P111B
TO MAIN BOARD
10111213141516
D_RST
DOUT
D_DI
D_CL
INT1
INT2
123456789
+5V_D
GND
+3.3VD
CDOUT
8415
SCS
FCS
D_C D_B D_A
AV 000
SAT 001
PVR010
TAPE011
+5V
L101
10uH
C122
GND
1
2
3
NC
4
5
6
7
8
9
10
11
12
13
GND
R110
1
25
50
C151
.01uF
2
3
5
6
8
9
11
12
44
38
C148
.01uF
26
47
41
13
10
7
4
33
NC
CD 100
L110
10uH
+3.3V
104
U103
CS8415
SD/CD
AD0/CS
EMPH
RXP0
RXN0
VA+
AGND
FILT
RST
RMCK
RERR
RXP1
RXP2
RXP314RXP4
GND
910
C118
.1uF
C106
.1uF
SCL/CCLK
AD1/CDIN
DGND
OMCK
SDOUT
OLRCK
OSCLK
R113
470
R122
470
C152
.01uF
+3.3V
RXP6
RXP5
VD+
+3.3V
GND
H/S
U
INT
C110
.1uF
GND
28
27
26
25
24
23
22
21
20
19
18
17
16
15
C119
.1uF
NV_OE#/GPIO15
NV_CS#/GPIO14
NV_WE#/GPIO16
101DVD
C123
104
D_CL
D_DI
GND
12.288M
R130
33
NC
100
R111
SDOUT
8_LRC
MCLK1
8_SCL
R290
GND
910
+3.3V
R121
910
C114
470u/10V
GND
12
13
U108D
74ACT32
INT
GND
R132 100
R128 100
GND
7
11
C172
104
INT1
DOUT
INT2
14
VCC
74ACT32
D101
1N4002
C176
1000u/6V3
EXTD0
EXTD1
EXTD2
EXTD3
EXTD4
EXTD5
EXTD6
EXTD7
9
10
D_TAPE
D_PVR
D_SAT
D_AV
DIG_OUT
+3.3V
U108E
MCLK1
SCLK
LRCLK
DIN4
20
19
18
17
16
15
14
13
12
11
P110B
TO MAIN BOARD
123456789
LRC
MCLK
DGND
DGND
BCLK
C177
10p
U109
HC151
1
D3
VCC
2
D2
3
D1
4
D0
5
Y
6
W
7
S
GND8C
GND
U104
DIR
Vcc
A0
OE
A1
B0
A2
B1
A3
B2
A4
B3
A5
B4
A6
B5
A7
B6
GND10B7
74HC245
+3.3V
C150
.01uF
C112
.1uF
+2.5VD
GND
C107
104
C102
1000u/6V3
GND
+3.3V
32
C149
C111
.01uF
.1uF
16
13
GND
EXTD0
EXTD1
14
EXTD2
15
EXTD3
17
EXTD4
18
19
EXTD5
20
EXTD6
21
EXTD7
24
22
8
31
U108C
74ACT32
10111213141516
DGND
DIN4
DIN3
DGND
+3.3V
C173
16
15
D4
D_CD
14
D5
D_DVD
13
D6
12
D7
R108
11
A
R107 1K
10
B
R106
9
+2.5VD
R112
2K
R129
2K
1
2
3
4
5
6
7
8
R127
100
9
GND
+3.3V
C104
.1uF
GND
U106
VCC
A0
GND
A1
A2
1/00
A3
1/01
A4
1/02
A5
1/03
A6
1/04
A7
1/05
A8
1/06
A9
1/07
A10
A11
A12
/OE
A13
A14
A15
/CE
A16
A17
A18
/WE
AT49LV040A(PLCC)
DIN2
DGND
GND
104
GND
1K
1K
ZONE_VMUT
MCLKMCLK2
4
2
GND
12.288MHz
DGND
CR101
12
11
10
9
8
7
6
5
27
26
23
25
4
28
29
3
2
30
1
R207
2K
FCS
D_CL
D_DI
DIN1
D_A
D_B
D_C
SCS
OUT3VCC
EXTA2
EXTA3
EXTA4
EXTA5
EXTA6
EXTA7
EXTA8
EXTA9
EXTA10
EXTA11
EXTA12
EXTA13
EXTA14
EXTA15
EXTA16
EXTA17
EXTA18
DGND
D_RST
DOUT
1
2
3
4
12.288M
P122A
TO RS232
R186 100
R194 100
R195 100
1
DOUT
DIN1
DIN2
DIN3
R196
100
2V_DSP_FINTREQ
R231
33
U108A
74ACT32
U108B
74ACT32
2V_DSP_INTERQ
2V_DSP_SCS
2V_DSP_FCS
2V_DSP_SCCLK
2V_DSP_SCDIN
2V_DSP_SCDOUT
R219
3
6
1 2 3 4
Page 11
P105A
TO TUN BOARD J704B
DA_OUT
CE_PLL
CLK
DA_IN
RDS_CL
D
RDS_SI
RDS_DA
STEREO SD
FROM AUDIO BOARD P302A
TAPE_O_L
TAPE_O_R
TUN_R
TUN_L
P111B
TO DSP BOARD P111B
C
B
A
123456789
D_RST
DOUT
D_DI
D_CL
INT1
INT2
P101B
TO KEY BOARD P101A
15
SDET
RS1_A
YUVDET
RS2_A
P1
-V
P2
GND6
FMU F_MU
SMU S_MU
BSMU BS_MU
CMU C_MU
A_MU AMU
10111213141516
101112
GND14GND11
10111213141516
GND8
R171
56K
R170
1K5
H_RELAY
D133
1N4148
D134
1N4148
D129
1N4148
D135
1N4148
D130
1N4148
D136
1N4148
D131
1N4148
D137
1N4148
D132
1N4148
D138 1N4148
GND13
P302A
123456789
1011121314
R157
-12V
1K5
Z104
5V1
R123
Q110
56K
A114
GND6 GND6
R121
Q109
56K
A114
GND6
R119
Q108
56K
A114
GND6
R117
Q107
56K
A114
GND6
R169
Q115
56K
A114
GND6
321
3
3
D123
IN4004
IN4004
ZV4
ZV5
ZV3
RGB
+5VC
ZV2
ZV1
L_S1
Z_AMP
L_S0
G_S1
RE1
RE3
RS2_A
D144
1N4004
C143
470u/16v
+12V
-12V
D126
+5V
-5V
GND7
SUBMU
FMU
SMU
BSMU
CMU
MON
LM7905A
GND
2
1
LM7912
GND
U106
LM7805
U104
R190 4K7
1N4004
2
1
U110
R102
200
Z101
27V
P402A
TO MULTI BOARD P402A
123456789
R143 4K7
R144 4K7
R145 4K7
R146 4K7
R181 3K3
R151 4K7
R153
4K7
4K7
R152
R191 4K7
R192 4K7
R193 4K7
R194 4K7
D145
D146
1N4004
1
Vin
GND
GND
2
Vin
R101
3k
1
Vin
C101
4700u/25V
C102
1000u/25V
2
Vin
R184
0.22/1W
IN4004
D124
D125
IN4004
4K7
R195
470u/16V
C133
1000u/25V
3K9
R156
D141
1N4004
C145
R112
3K9
Z103
C106
100u/50V
IN4004
B1-AMP
D142
1N4004
3300u/16V
D105
IN4004
D101
IN4004
VCR1M
VCR2M
V_DIRE
40
41
42
43
44
C125
104
C121
5V1
D103
1
2
3
4
5
6
10111213141516
P0.3
P0.2
P0.1
P0.0
VCC
NC
P1.0
P1.1
P1.2
P1.3
P1.4
GND8
DI
CL
CE
W_RST
DGND
GND6
39
33NC34
35
P0.736P0.637P0.538P0.4
ALE
EAVPP
AT89C52
P1.57P1.68P1.79RST10P3.011NC12P3.113P3.214P3.315P3.416P3.5
C115
R126
10u/16V
10K
R150
3K9
GND8
D143
1N4004
D109
D112
IN4004
IN4004
D111
D110
IN4004
IN4004
C129
104
R129
470
R128
470
D106
IN4004
C107
47u/50V
D104
IN4004
D102
C127
IN4004
104
C128
104
R183
0.22/1W
CLK
DATA
8770
W_RST
T_IR
T_IL
R116
2K
0.22/1W
31
32
PSEN
R111
3K9
R182
P106A
TO TUN BOARD J703B
123456789
GND14
T_R
TAPE_I_R
T_L
T_O_R
T_MUTE
D152
1N4002
+12VT
P301A
TO AUDIO BOARD P301A
123456789
CD_LA_MU
CD_R
VCRM
PVRM
CL2
DA5
-12V
+5V_D
GND6
INT
+3.3VD
MCLK1
CDOUT
BCLK
8415
LRCLK
SCS
FCS
P805B
TO RS232 BOARD P805A
123456789
AC4V
SD
AC4V
+5V
Q120
C123
GND6
1 2 3 4
123456789
GND8
+20V
+5VC
RS2
RS1
FMU_1
Q121
A114
SUBMU
+5VC +13V
C140
100u/16V
1000u/10V
DET
C2229
+12VD
10u/16V
C148
C149
10u/16V
CD_R
R167
1K
Q117
1241
P110B
TO DSP BOARD P110B
MCLK
R115
56K
A114
Q106
1N4148
D140
C124
1000u/10V
O_MU
R147
3K
Q122
Z105
13V
GND9
DGND
-12V
C123
R188
470
GND8
101112
GND11 GND12
LRC
DGND
BCLK
10
D139
1N4148
D122
1N4004
C147
10u/16V
Q101
C123
101112
10111213141516
DGND
DIN4
TC2973-010
CLK
DATA
4094
+12VD
SUB_MU
3
R148
1K2/0.25W
Q123
C114
DGND
GND6
+5V6
Q118
1241
DIN3
78M56
TC9273-010
CL3
TC9273
TAPE_I_L
TAPE_I_R
+12V
DIN2
DGND
+20V
PORT
FAN
FANGND
+9V
U109
GND
2
GND8
D119
1N4004
D121
1N4004
GND8
123456789
R168
1k
T_O_L
TAPE_I_L
CD_L
R172
56K
-12V
+5VB
YUVDET
SDET
ZV1
ZV2
ZV3
ZV4
ZV5 V_DIRE
123456789
DIN1
DOUT
DGND
DGND
P104B
FROM AMP2 BOARD P104A
10
GND16
D127
1N4004
1
Vin
C146
10u/50V
C142
2200u/25V
GND8
R187
4.7
A1015
Q124
P406A
TO MULTI BOARD P406A
L_S0
L_S1
-12V
+12V
Q119
A114
D147
IN4148
P803A
TO VIDEO BOARD P803
123456789
DOUT
DIN1
DIN2
DIN3DIN4
123456789
3
C135
470u/10V
D107
1N4004
D108
1N4004
R109
100/1W
D120
GND13
IN4004
GND9
GND6
GND7
GND8
D151
1N4002
D150
+13V
1N4002
O_MU
CMU
FMU_1
SMU
BSMU
+20V
+13V
+10V
GND9
U111
LM7810
GND
2
GND5
10111213141516
GND9
10111213141516
P803B
TO PMAIN BOARD P803A
1234567
GND16
+20V
+13V
GND8
P107
P108
TO FAN1
TO FAN2
1
2
+5VB
C144
470u/16V
1
Vin
R103
10K/0.25W
1N4002
104
-12V
+20V
123456789
G_S0
G_S1
BI_AMP
T_OL
T_OR
Z_AMP
+5VA
+5VA
+5VA
GND5
-5V
RGB
VSYNC
8
RE1
RE1
RE2
RE3
POWER
RE3
RE2
POWER
1
2
+5VA
+5V
+5VA
L101
10uH
GND5
1000u/6V3
+12V
2
C136
C138
100u/16V
C139
100u/16V
GND
220u/25V
1
Vin
C137
1000u/6V3
-27V
U105
LM7812
3
C105
104
C108
104
3
C134
3
U112
LM7805
-5V_V
D1481N4002
D149
C109
C103
47u/16V
C104
47u/16V
R114
3K9
P2.529P2.630P2.7
P2.4
P2.3
P2.2
P2.1
P2.0
GND
P3.7
P3.6
17
R110
3K9
MCLK1
BCLK
LRCLK
NC
X1
X2
C130
104
R113
3K9
AMU
MON
CON
U101
28
27
26
25
24
23
22
21
20
19
18
DMU
R140
3K9
D117
1N4148
D118
1N4148
P403A
TO MULTI BOARD P403A
123456789
LRC
DGND
MCLK
DGND
BCLK
2K
CR101
12M
C116
20P
C141
220u/6V3
POWER
RE2
RS1_A
R149
H_RELAY
680
D116
D113
1N4004
1N4004
D114
D115
1N4004
1N4004
DET
AC1
AC2
C131
104
1
2
3
4
5
6
7
8
9
10
11
12
P120
FROM TRANSFORMER
DGND
C117
DIN4
20P
GND6
+3.3VD
R1612KR1602KR1622KR1632KR164
3.3u/16V
DGND
C111
+5VC
SUBMU
CMU
BSMU
SMU
FMU
DIN3
R166
10K
G_S0
RS1
1
2
3
TO HP_BOARD
GND8
10111213141516
DGND
DIN2
DGND
DA6
9273
CL3
+5VC
P300
1000u/25V
R105
1K5
CON
DIN1
DGND
DOUT
DOUT
DIN1
DIN2
DIN3DIN4
R159
3K9
R136
3K3
R135
3K3
R134
3K3
R133
3K3
R131
3K3
R130
3K3
D_CL
D_DI
D_DO
D_RST
INT1
INT2
CDOUT
DA5
CL2
R173 3K3
R174 3K3
R175
3K3
R118
R176 3K3
3K9
R177 3K3
R178 3K3
R179 3K3
R180
3K3
U107
78M56
1
Vin
+5V6
C110
R106
470
GND
2
STAND
Z102
5V1
ARCAM Sound & Vision.
MODEL: AVR250
MAIN BOARD SCH
DWN.BY: XiaoXie
APP.BY:
C126
104
GND8
8770
8415
SCS
FCS
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
R124
3K9
GND8
D128
1N4004
3
C112
2200u/10V
+9V V_MU
O_CS
O_CLK
O_DATA
39
35
P0.736P0.637P0.538P0.4
EAVPP
P89C669FA
P1.57P1.68P1.79RST10P3.011NC12P3.113P3.214P3.315P3.416P3.5
10K
R154
47u/16V
2
GND6
4
P802A
TO VIDEO BOARD P802
123456789
R141
1K
R142
1K
3K9
R155
3K3
R186
31
32
33NC34
ALE
PSEN
R185
C118
+5V_D
U108
LM317
IN
OUT
G
1
R107
470
10
GND5
U103
1
A0
VCC
2
A1
WP
3
A2
SCL
VSS4SDA
24C08
GND8
RS1_A
O_CS
CLK
DATA
U102
P2.529P2.630P2.7
28
P2.4
27
P2.3
26
P2.2
25
P2.1
24
P2.0
23
NC
22
GND
21
X1
20
X2
19
P3.7
18
P3.6
20P
C119
17
PROG_DEE
STEREOV_MU
R_CL
VSYNC
RS2
RS2_A
3K3
+5VC
PORT
PROG_B
Q113
C114
3
C114
R108
1000u/6V3
220
C113
104
SHEET 9 OF 13
ISSUE: A
DATE: 11/JUN/2004
DATE:
8
7
6
5
R158
3k9
CR102
GND8GND8
PROG_DEE
GND8
12M
+3.3VD
Q116
C114
D
GND8
Q114
C114
PROG_A
R165
3K9
C
CE_PLL
R_DATA
R_SIG
W_RST
VSYNC
T_MU
STAND
C120
20P
Q112
C123
GND8
B
DMU
A
Page 12
321
R121
10/1W
R103
100 1% RMF
Q102
Q104
2SC1845E
C104
47u/63V
Q204
2SC1845
C204
47u/63V
Q304
2SC1845
47u/63V
2SA1015GR
R105
68 1% RMF
Q106
2SC1845E
R107
220
R203
100 1% RMF
Q202
2SA1015GR
R205
68 1% RMF
Q206
2SC1845
R207
220
R303
100 1% RMF
Q302
2SA1015GR
R305
68 1% RMF
Q306
2SC1845
C304
R307
220
C103
D
R101
680
Q101
RN1241
FMU
C
P107B
FL
10
9
CEN
8
7
SL
6
5
4
3
FMU
2
CMU
1
SMU
P10
B
A
CMU
R201
680
Q201
RN1241
R301
680
Q301
RN1241
SMU
47u/50V
C101
10u/35V
C102
R102
471
WIMA
22K1% RMF
GND2a
GND1
C203
47u/50V
C201
10u/35V
C202
R202
471
22K1% RMF
WIMA
GND2b
GND1
C303
47u/50V
C301
10u/35V
C302
R302
471
22K 1% RMF
WIMA
GND2c
GND1
Q105
2SC1845E
R106
68 1% RMF
Q205
2SC1845
R206
68 1% RMF
Q305
2SC1845
R306
68 1% RMF
Q307
2SC1845
R104
100 1% RMF
Q103
2SA1015GR
2SC1845E
R204
100 1% RMF
Q203
2SA1015GR
Q207
2SC1845
R304
100 1% RMF
Q303
2SA1015GR
R308
8K2
R309
22K
R110
680 1% RMF
R108
8K2
R109
22K
Q107
R210
6801% RMF
R208
8K2
R209
22K
R310
680 1% RMF
Q108
2SA1015GR
C105
220u/16V
C106
10u/50V
Q208
2SA1015GR
C205
220u/16V
10u/50V
Q308
2SA1015GR
C305
220u/16V
C306
10u/50V
C206
R111
1K
Q109
2SA949
R112
22K 1% RMF
R211
1K
Q209
2SA949
R212
22K 1% RMF
R311
1K
Q309
2SA949
R312
22K 1% RMF
R143
22K
R113
12K
Q111
2SC1845E
R243
22k
R213
12K
Q211
2SC1845
R343
22k
R313
12K
Q311
2SC1845
R115
R114
27
1K
R117
R217
R317
Q112
2SC2229
82
2SC2229
82
Q312
2SC2229
82
R118
2K2
R119
560
VR101
470
R218
2K2
R219
560
VR201
Q212
R318
2K2
R319
560
VR301
470
470
R12018D101
Q113
2SC3421
C108
10u/50V
R122
10/1W
R221
10/1W
R220
18
Q213
2SC3421
C208
10u/50V
R222
10/1W
10/1W
R321
R320
18
Q313
2SC3421
C308
10u/50V
R322
10/1W
Q110
2SA949
C107
WIMA
101
R116
C121
22K
102
R215
R214
27
1K
Q210
2SA949
C207
101
WIMA
R216
C231
22K
102
R315
R314
1K
27
Q310
2SA949
C307
WIMA
101
R316
C341
102
22K
R123
82
1N4148
Q114
2SC1845
Q115
2SA1015GR
D102
1N4148
R124
82
R223
82
D201
1N4148
Q214
2SC1845
Q215
2SA1015GR
D202
1N4148
R224
82
R323
82
D301
1N4148
Q314
2SC1845
Q315
2SA1015GR
D302
1N4148
R324
82
R125
8K2/0.25W R133
R126
8K2
4.7u/50V
R127
R131
200
1K
R128
R132
200
1K
R129
4.7u/50V
8K2
R130
8K2/0.25W
R225
8K2/0.25W
R226
8K2
4.7u/50V
R227
R231
200
1K
R228
R232
200
1K
R229
4.7u/50V
8K2
R230
8K2/0.25W
R325
8K2/0.25W
R326
8K2
4.7u/50V
R327
R331
200
1K
R328
R332
200
1K
R329
4.7u/50V
8K2
R330
8K2/0.25W
2K2
Q116
C5171
R135
C109
560
R137
C111
100/1W
10u/50V
Z101
27V
Z102
27V
C110
R134
2K2
R233
2K2
C209
Z201
27V
Z202
27V
C210
R234
2K2
R333
2K2
C309
Z301
27V
Z302
27V
C310
R334
2K2
10u/50V
C311
10u/50V
A1930
P101
P2
R145
10K
R136
560
Q119
2SA1943
Q117
A1930
Q216
C5171
R235
560
C211
R237
R244
100/1W
P201
P2
R245
10K
R236
560
Q219
2SA1943
Q217
A1930
Q316
C5171
R335
560
R337
100/1W
P301
P2
R345
10K
R336
560
Q319
2SA1943
Q317
D103
1N4004
Q118
2SC5200
R139
2K7
R138/A
R144
0.22/5W
10K
R140
R138/B
470
0.22/5W
D104
1N4004
D203
1N4004
Q218
2SC5200
R239
2K7
R238/A
10K
0.22/5W
R240
R238/B
470
0.22/5W
D204
1N4004
D303
1N4004
Q318
2SC5200
R339
2K7
R338/A
R344
0.22/5W
10K
R340
470
R338/B
0.22/5W
2SC1845
Q220
2SC1845
Q120
Q320
2SC1845
R141
33K
C112
332
R241
33K
C212
332
R341
33K
C312
332
C810
220u/63V
GND1
C811
220u/63V
GND2 = Filter
R342
R142
R242
22K
22K
22K
2SC1845
C838
220u/25V
R842
22K
ARCAM Sound & Vision
MODEL: AVR250
D304
1N4004
AMP2 SCH
DWN.BY: Xiao Xie
4
D
P102A
+V
1
GND
2
-V
3
4
5
SLO
6
FLO
7
CENO
8
8P
SENOR
SE802
1
SEN1
2
SEN2
P108A
1
2
3
V_DET
4
CU_DET
5
PROT
6
TO AMP2 B OARD
R844
C839
103
Q826
Q827
2SC1845
Q828
33K
A949
R843
33K
R845
10K
R846
C840
Z803
5K6
103
5V1
GND1
SHEET 10 OF 13
C
B
A
ISSUE: A
DATE:11/Jun/2004
1 2 3 4
APP.BY:
DATE:
Page 13
321
R403
100 1% RMF
2SC1845
2SC1845
Q604
2SC1845
2SC1845
Q404
C404
47u/63V
Q504
C504
47u/63V
47u/63V
Q704
C704
47u/63V
2SA1015GR
R405
68 1% RMF
Q406
2SC1845
R407
220
R503
100 1% RMF
2SA1015GR
R505
68 1% RMF
Q506
2SC1845
R507
R603
100 1% RMF
2SA1015GR
R605
68 1% RMF
Q606
2SC1845
C604
R703
100 1% RMF
2SA1015GR
R705
68 1% RMF
Q706
2SC1845
R707
C403
47u/50V
R401
680
Q401
D
C
P104A1
FR
FR
1
2
3
SR
SR
4
5
BSR
BSR
6
7
BSL
BSL
8
P8
P106A
1
FL
2
3
CEN
4
5
SL
6
P6
B
P107A
1
FL
2
3
CEN
4
5
SL
6
7
8
FMU
9
CMU
10
SMU
TO AMP1
A
RN1241
FMU
R501
680
Q501
RN1241
SMU
R601
680
Q601
RN1241
R701
680
Q701
RN1241
BSMU
1 2 3 4
C401
10u/35V
C402
R402
471
22K1% RMF
WIMA
GND4a
GND3
C503
47u/50V
C501
10u/35V
C502
471
R502
WIMA
22K1% RMF
GND4b
GND3
C603
47u/50V
C601
10u/35V
C602
471
R602
WIMA
22K 1% RMF
GND4c
GND3
C703
47u/50V
C701
10u/35V
C702
R702
471
22K 1% RMF
WIMA
GND4d
GND3
R404
Q408
100 1% RMF
2SA1015GR
R410
680 1% RMF
R408
8K2
R409
22K
R510
680 1%$ RMF
R508
8K2
R509
22K
R610
680 1% RMF
R608
8K2
R609
22K
R710
680 1% RMF
R708
8K2
R709
22K
C405
220u/16V
C406
10u/50V
Q508
2SA1015GR
C505
220u/16V
C506
10u/50V
Q608
2SA1015GR
C605
220u/16V
C606
10u/50V
Q708
2SA1015GR
C705
220u/16V
C706
10u/50V
R411
1K
R412
22K 1% RMF
R511
1K
2SA949
R512
22K 1% RMF
R611
1K
Q609
2SA940
R612
22K 1% RMF
R711
1K
Q709
2SA949
R712
22K 1% RMF
Q409
2SA940
R443
22K
R413
12K
Q509
R643
R743
22K
Q403
Q402
2SA1015GR
Q405
2SC1845
R406
68 1% RMF
Q407
2SC1845
R504
100 1% RMF
Q502
Q503
2SA1015GR
Q505
2SC1845
R506
68 1% RMF
Q507
2SC1845
220
R604
100 1% RMF
Q603
Q602
2SA1015GR
Q605
2SC1845
R606
68 1% RMF
Q607
2SC1845
R607
220
R704
100 1% RMF
Q703
Q702
2SA1015GR
Q705
2SC1845
R706
68 1% RMF
Q707
220
2SC1845
R415
R414
1K
Q410
2SA949
C407
WIMA
101
R416
C441
22K
102
Q411
2SC1845
R514
R515
1K
Q510
2SA949
C507
WIMA
101
R516
C541
R543
22K
102
22K
R513
12K
Q511
2SC1845
R615
R614
1K
Q610
2SA949
C607
WIMA
101
R616
C641
22K
22K
102
R613
12K
Q611
2SC1845
R714
1K
Q710
2SA949
C707
WIMA
101
R716
C741
22K
102
R713
12K
Q711
2SC1845
R621
10/1W
27
R420
R418
18
2K2
Q413
R419
2SC3421
560
VR401
470
C408
10u/50V
Q412
2SC2229
R417
R422
82
10/1W
R521
10/1W
27
R520
18
R518
2K2
Q513
R519
2SC3421
560
VR501
C508
470
10u/50V
Q512
2SC2229
R517
R522
82
10/1W
R621
10/1W
27
R620
R618
18
2K2
Q613
R619
2SC3421
560
VR601
C608
470
10u/50V
Q612
2SC2229
R617
R622
82
10/1W
R721
R715
10/1W
27
R720
18
R718
2K2
Q713
R719
2SC3421
560
C708
VR701
10u/50V
470
Q712
2SC2229
R717
R722
82
10/1W
1N4148
Q414
2SC1845
Q415
2SA1015GR
1N4148
1N4148
2SC1845
Q515
2SA1015GR
1N4148
1N4148
2SC1845
2SA1015GR
1N4148
1N4148
2SC1845
Q715
2SA1015GR
1N4148
R425
8K2/0.25W
R433
R430
8K2/0.25W
R525
8K2/0.25W
R530
8K2/0.25W
8K2/0.25W
8K2/0.25W
R725
8K2/0.25W
R730
8K2/0.25W
2K2
R426
C409
8K2
4.7u/50V
R427
R431
Z401
1K
27V
200
R428
R432
Z402
200
1K
27V
C410
R429
4.7u/50V
8K2
R434
2K2
R533
2K2
R526
8K2
C509
4.7u/50V
R527
R531
Z501
200
1K
27V
R528
R532
Z502
200
1K
27V
C510
R529
4.7u/50V
8K2
R534
2K2
R625
R633
2K2
R626
8K2
C609
4.7u/50V
R627
R631
Z601
1K
27V
200
R628
R632
Z602
200
1K
27V
C610
R629
4.7u/50V
8K2
R634
2K2
R630
R733
2K2
R726
8K2
C709
4.7u/50V
R727
R731
Z701
200
1K
27V
R728
R732
Z702
200
1K
27V
C710
R729
4.7u/50V
8K2
R734
2K2
10u/50V
10u/50V
10u/50V
10u/50V
Q416
C5171
560
R435
C411
R437
100/1W
P401
P2
R445
10K
R436
560
Q419
2SA1943
Q417
A1930
Q516
C5171
R535
560
C511
R537
100/1W
P501
P2
R545
10K
R536
560
Q519
2SA1943
Q517
A1930
Q616
C5171
R635
560
C611
R637
100/1W
P601
P2
R645
10K
R636
560
Q619
2SA1943
Q617
A1930
Q716
C5171
R735
560
C711
R737
100/1W
P701
P2
R745
10K
R736
560
Q719
2SA1943
Q717
A1930
R423
82
D401
D402
R424
82
R523
82
D501
Q514
D502
R524
82
R623
82
D601
Q614
Q615
D602
R624
82
R723
82
D701
Q714
D702
R724
82
D403
1N4004
Q418
2SC5200
R439
2K7
R438/A
R444
0.22/5W
10K
R440
470
R438/B
0.22/5W
D404
1N4004
D503
1N4004
Q518
2SC5200
R539
2K7
R538/A
R544
0.22/5W
10K
R540
R538/B
470
0.22/5W
D504
1N4004
D603
1N4004
Q618
2SC5200
R639
2K7
R638/A
R644
0.22/5W
10K
R640
470
R638/B
0.22/5W
D604
1N4004
D703
1N4004
Q718
2SC5200
R739
2K7
R738/A
R744
0.22/5W
10K
R740
R738/B
470
0.22/5W
2SC1845
Q720
2SC1845
2SC1845
Q620
2SC1845
R441
33K
Q420
C807
220u/63V
C412
332
R541
33K
Q520
C512
332
1N4004
300R/0.25W
R641
33K
C612
332
R741
33K
BSLO
C712
332
C806
GND3
220u/63V
+V
GND3 = Filter
-V
BSRO
FRO
SRO
R642
R442
R542
R742
22K
22K
22K
Z804
R818
3V3
200
U801
1
Q804
C123
Q805
C123
R810
10k
3
Vin
+5V6
GND
78M56
2
D806
1N4148
D807
1N4148
D808
1N4148
SEN1
R801
10k
R808
10K
SEN2
Q811
C114
1N4004
D802
R807
Z802
12V
22K
D805
1N4004
D803
LE102
GRE_LED
R820
1Ohm/1W
R809
10K
C809
100u/16V
Q806
C123
R811
10K
ARCAM Sound & Vision
MODEL: AVR250
AMP1 SCH
D704
1N4004
DWN.BY: Xiao Xie
APP.BY:
4
D
P109A
1
2
3
4
5
6
7
8
8P
GND4
P108B
1
SEN1
2
SEN2
3
V_DET
4
CU_DET
5
PORT
6
TO AMP1
P104A
100u/16V
LE101
GRE_LED
A1015
Q809
R187
10K
R823
C813
4K7
220u/16V
R804 1K5
R802
4K7
D801
1N4148
R803
R806
4K7
4K7
Q801
C123
C803
C802
100u/16V
Q803
C123
R822
1K
GND
1
2
+20V
3
4
5
6
7
BSMU
8
SMU
9
FMU
10
CMU
TO MAIN BOARD
C801
100u/16V
Q802
R805
2SA772
1K5
D804
1N4148
C808
100u/16V
R821
4K7
Q812
C114
C
R188
33K
Q810
C114
SE801
1
2
SENSOR
B
A
SHEET 11 OF 13
ISSUE: A
DATE:11/Jun/2004
DATE:
Page 14
321
R827
10/1W
C831
104/160V
R829
10/1W
C833
104/160V
R830
10/1W
C834
104/160V
R832
10/1W
104/160V
H_L
H_R
GND4
R828
10/1W
C832
104/160V
GND_FR_1
GND_FL_1
R831
10/1W
C835
104/160V
GND_SR_1
GND_SL_1
R833
10/1W
C837
C836
104/160V
GND_BSR_1
C821
10000u/63V
C823
10000u/63V
GND_FR
GND_FR_1
GND_SR
GND_SR_1
GND_BSR
GND_BSR_1
GND_BSL
GND_BSL_1
GND3
GND4
Common
Audio
0188
TRANSFORMER 120/230V TOROID
5
Primary voltage: 230V/120V 50/60Hz
6
Rated continuous output power: 600VA
7
8
9
1
10
11
12
2
13
14
15
3
16
17
18
4
19
20
21
230V
120V
N
H_R
H_L
GND3
GND2
GND1GND_C_1
P870
From PSU board P870
3
2
1
R851
390/1W
R852
390/1W
+13V
POWER
+20V
4/8_SE
GND
BSLO
SRO
FRO
BSRO
-V
GND
+V
CENO
FLO
SLO
GND
-V
GND
+V
+20V
+13V
POWER
RE3
RE2
NC
P103B
From Amp1 Board P109A
1
2
3
4
5
6
7
8
P105B
From Amp2 boaed P102A
1
2
3
4
5
6
7
8
P804A
TO PSU BOARD P804B
1
2
3
4
5
6
7
8
9
10
P803A
TO Main board P803B
1
2
3
4
5
6
7
8
P806A
FROM HPO BOARD P806A
1
2
3
4
Power SW BOARD
SW803
Power SW
(TV-8 10A 250V
UL/CSA/VDE)
From PSU Board P870A
JK101
AC INPUT SO CKET
L
AGND
N
Model NO: IS-7014
15A 250V for UL & CSA
10A 250V for European
R873
3.3M/0.5W
P870
TO TRANSFORMER
3
2
1
HEADPHON E
P806B
TO PMAIN BOARD P806A
4
3
2
1
230V
120V
N
C870
103/400V
1
2
P870B
P870A
TO SW BOARD P870B
1
2
230V/115V SELECT SW
SW COMAX
SK-22D01-SG6-T-MS-IK
F871
Fuse T6.3A 250V UL
F870
Fuse T10A 250V UR
NTC1
NTC SG405 30A 1 ohm
C1
102
102
120V
230V
1
2
T870
TRANS5 EI-35
2R2 1/2W
RE870
RELAY TRA2-L-12VDC-S-H
Q901
C9014
C873
470u/16V
R872
104
C874
R870
D874
1N4002
3K
D870
1N4002
D872
1N4002
D871
1N4002
D873
1N4002
R871
4K7
SW871
P874A
P874
P875
P875A
1
2
P2
P2
1
2
P2
P2
1
2
C872
103/400V
NOTE: The compoment marked with can't be changed.
RE880
JA1
ARCAM Sound & Vision.
P300A
3
2
1
TO MAIN BOARD
P1002B
TO KEY BOARD
1
2
MODEL: AVR250
P_MAIN&PSU SCH
DWN.BY: Xiao Xie
D880
C2
1N4148
Q880
C123
FR_OUT
OP2
C875
104
FL_OUT
C_OUT
C876
104
C877
104
D
SP802
C825
C824
102
C826
102
SR_OUT
P120A
N801
AC36V
N802
AC29V
N806
AC36
N805
AC29V
C827
102
C828
102
C829
102
C830
102
12
AC14V
11
0V
10
AC14V
9
AC8.5V
8
0V
7
AC8.5V
6
AC5.2V
5
0V
4
AC8.5V
3
0V
2
AC16V
1
0V
C878
SL_OUT
104
C879
104
BSR_OUT
C880
BSL_OUT
104
C881
104
AC-36V
AC-29V
AC-36V
AC-29V
TO MAIN BOARD P120
C
B
A
L801
OP2
2.2uH
R820
10/1W
102
GND_FR
L802
10uH
R821
10/1W
GND_FL
L803
2.2uH
R822
10/1W
GND_C
OP2
L804
2.2uH
R823
10/1W
GND_SR
L805
OP2
2.2uH
R824
10/1W
GND_SL
L806
2.2uH
OP2
R825
10/1W
GND_BSR
L807
2.2uH
OP2
R826
10/1W
GND_BSL
RE805
RELAY 24V 30A DC 2P1T-6P
RE806
RELAY 24V 30A
DC 2P1T-6P
C852
104
GND-AC-1
GND-AC-2
BR801
BRIDGE2
1
AC
2
AC
BRIDGE RECTIFIER
400V 35A
N803
N804
RE801
D810
Q822
1N4004
C123
RE802
RE803
Q823
D811
C123
1N4004
RE804
Q824
D812
C123
1N4004
GND_BSL_1
C820
10000u/63V
GND_FL
GND_FL_1
C822
10000u/63V
GND_SL
GND_SL_1
GND_C
GND_C_1
GND1
GND2
3
+
4
-
4
PSU BOARD
C871
220u/25V
+13V
POWER
+20V
4/8_ES
SW870
4 OHM OR 8 OHM
SHEET 12 OF13
ISSUE: A
DATE:11/JUN/2004
P804B
From Pmain Board P804A
10
9
8
7
6
5
4
3
2
1
D
C
B
A
1 2 3 4
APP.BY:
DATE:
Page 15
Page 16
AVR300
AVR300 Circuit diagrams
Page 17
Page 18
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
GR4
35
GR5
36
37
GR6
GR7
38
GR8
39
40
GR9
41
GR10
GR11
42
GR12
43
44
GR13
GR14
45
46
47
48
C1009
103
RS1
RS2
+5v
-V
SG14
SG15
SG16
SG17
SG18
SG19
SG20
SG33
SG34
SG35
31
32
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
SG18
14
SG17
13
12
SG16
SG15
11
SG14
10
SG13
9
SG12
8
SG11
7
SG10
6
SG9
5
SG8
4
SG7
3
SG6
2
SG5
1
SG4
SG3
SG2
SG1
SG0
A & R cambridge ltd
MODEL: AVR300
KEY SCH
DWN.BY: SZ Lin
APP.BY:
P102A
1
LE1001
R1003
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
LE1003
LE1002
100
LE1007
LE1012
LE1004
LED
LED
R1010
100
LE1009
LED
LED
R1011
100
100
LE1014
LED
LED
R1012
100
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
C1011
10u/16V
C1005
103
SW1001
UP
SW1002
DOWN
SW1003
PRESET
SW1004
STORE
SW1005
FM MUTE
SW1006
RDS INFO
LED
LED
R1006
100
LED
LED
100
4K7
4K7
470u/6V3
SW1012
OK
SW1013
DVD
SW1014
SAT
SW1015
AV
SW1016
VCR1
R1007
100
LE1008
LED
R1005
R1008
100
LE1013
LED
R1004
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
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
Q1001
RS1
RS2
C123
P3
P2.529P2.630P2.7
P2.4
P2.3
P2.2
P2.1
P2.0
GND
P3.7
P3.6
17
ENCODER
NC
X1
X2
R1030
10K
V690
VOLUME BOARD
4
D
54
GR8
GR9
GR10
GR11
GR12
GR13
GR14
C
IR801
1
2
R1015
470
3
B
A
47u/16V
+5V
GND
IR IN
GND
IROUT
12345
6
P205B
TO RS232 BOARD
SHEET 1 OF 13
C1003
ISSUE: M1
DATE:06/APR/2004
DATE:
Page 19
D
C
B
A
+12V
-12V
P404A
12
11
10
9
8
7
6
5
4
3
2
1
FROM AUD BOARD P404B
VA402A
EXT_CIN
VA402B
EXT_SUBIN
VA401A
EXT_RIN
VA401B
EXT_LIN
VA401C
220u/16V
EXT_SRIN
VA401D
EXT_SLIN
220u/16V
VA401F
EXT_BSLIN
VA401E
EXT_BSRIN
C401
C402
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
-4V7
1 2 3 4 5 6 7 8 9 10 11 12
ZONE_L
D205
D208
1N4148
1N4148
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
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
+4V7
C544
104
16
VDD
15
X2
14
X1
13
X
12
X0
11
X3
10
S0
9
OPA2134
84
U410C
C526
104
220u/16V
OPA2134
OPA2134
OPA2134
84
84
U411C
U412C
10111213141516
DGND
Nd
Nd
+4V7
U418
1
Y0
VDD
2
10K
Y2
3
Y
4
Y3
2K4
5
Y1
6
EN
7
Vee
VSS8S1
74HC4052
C414
220u/16V
C413
220u/16V
DVD_A 0
ZONE2 1
DVD_LR 0
ZONE_R
E_Z_R
C542
R540
1k
Z_AMP
R602
1k
BI_AMP
C547
C570
104
104
84
U413C
CEDICL
W RST
C525
104
16
R533 10K
15
X2
R530 2K4
14
X1
13
X
R411 5K1
12
X0
R535 20K
11
X3
10
S0
9
C545
103
Z_AMP BI_AMP
OPA2134
OPA2134
84
84
U415C
U414C
123456789
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
62
64
60CL61
63
DI
CE
RES
1
MCLK
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_S0
0
1
0
1
R536
100R / 1/4W
+12V
C498
47u/16V
R413
330/1/8W
+12V
C410
47u/16V
C497
C409
100u/16V
47u/16V
-12V
R412
330/1/8W
C500
104
C501
104
10111213141516
DGND
DIN4
59
58
BCLK
U401
WM8770
C417
104
1
1
C498
100u/16V
R611
1K
R612
1K
C502
C504
C506
C508
C510
C512
C514
C516
C518
C520
104
104
104
104
104
104
104
C503
C505
C507
C509
C511
C513
104
104
104
123456789
DGND
DGND
DGND
DIN3
DIN2
DIN1
DOUT
R409
33
51
52
56
DIN153DIN254DIN355DIN4
DOUT
ZFLAG150ZFLAG2
DACLRC57ADCLRC
DACREFP2
VMIDDAC
DACREFP1
C419
104
C418
C416
10u/16V
104
U625
LM3.3
3
Vin
3V3
20mA supply 3.3 v
G
2
U405
LM7805
3
Vin
+5V
GND
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
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
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
R582
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
R416
R415
22K
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
+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
R632
20K
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
C499
U408B
NE5532
470u/16V
5
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
C460
R450 20K
C465 47p
R448
5K1
6
5
R449
3K9
U403
1
by
2
bx
3
R418
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
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
NE5532
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
C472 220p
6
5
U404
by
bx
cy
c_o
cx
INH
VEE
VSS8C
C466
R452 4K7
R454
C467 220p
R455 4K7
R457
C468 220p
R458 4K7
R460
C469
R461 4K7
C470
R464
R467
R472
0
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
0
7
U410B
NE5532
0
1
U411A
NE5532
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
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 4K 3
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
R522
4K7
R599
3K9
C567
33p
A & R cambridge ltd
MODEL: AVR300
MULTI SCH
DWN.BY: SZ Lin
APP.BY:
1110987654321
33P
NE5532
33P
U416B
NE5532
C494 33P
R523 7K5
6
5
U414A
NE5532
BSMU
U414B
NE5532
BSMU
U415A
NE5532
SMU
U415B
NE5532
SMU
U417A
NE5532
CMU
U416A
4K3
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
1
B
FMU
Q411
1241
C492
R517
220u/16V
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
220
C
E
220
C
E
R524
220
C
B
E
FR_OUT
220
100
C
B
Q412
C490
R512
1241
221
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
B
Q416
C496
R526
221
100K
1241
E
A
Page 20
D
C
B
A
VA301A
DVD_L
VA301B
DVD_R
VA301C
SAT_L
VA301D
VA301E
AV_L
VA301F
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
TC9273-010
C3049
NF
R3189
0 ohm
6
5
U3009B
NE5532
C3050 NF
R3191
0 ohm
U3009A
NE5532
2
3
U3010B
6
NE5532
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
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
SAT_R
AV_R
Q3003
1241
R3024
C3012
100K
221
R3023
C3011
100K
221
R3029
100
R3030
100
R3035
100
R3036
100
R3022
300R
Q3004
1241
R3032
C3014
100K
221
R3031
C3013
221
100K
R3038
C3016
100K
221
R3037
C3015
100K
221
1 2 3 4
220
C3003
221
R3009
220
R3010
220
C3005
221
R3013
220
R3014
220
C3007
221
R3017
220
R3018
220
C3009
221
R3021
300R
Q3001
1241
D3010
1N4148
D3011
1N4148
D3012
1N4148
D3013
1N4148
D3014
1N4148
D3015
1N4148
D3016
1N4148
D3017
1N4148
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
2
3
C3019
10u/16V
IN1
OUT1
GND
DATA4CLK
M62429FP
U3002
TC9273-001
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
CL3
TC9273-010
1234567891011
P301A
TO MAIN BOARD P301A
10u/16V
Z3001
C3020
5V1
4V7
Z3002
4V7
TC9273-001
CL2
DA5
Z3003
CD_L
+50VTUN_L
DA5
CL3
C3041
10u/16V
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
U3009C
104
NF
C3043
104
U3008C
84
84
U3010C
NE5532
NE5532
TUN_R
TUN_L
CD_R
CD_L
1234567891011
P302A
TO MAIN 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
R3186
0R0 0805
Not Fitted
2
+12V
C3044
C3135
NF
10u/16V
C3045
C3136
NF
10u/16V
-12V
C3052
C3054
C3047
104
104
104
C3051
C3053
C3046
104
104
TAPE_O_L
TAPE_O_R
12
3
+12V
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
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
7
R3190
0 ohm
1
R3081
1M0 MF
APP.BY:
Page 21
C869
2.2u/50V
C868
SV805A
VCR2 IN
D
SV804A
VCR1IN
SV803A
AV IN
SV802A
SAT IN
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
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
C
R86882R869
82
C863
2.2u/50V
C862
2.2u/50V
Y
C
R866
R867
82
82
C861
2.2u/50V
C860
2.2u/50V
Y
C
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
1 2 3 4 5 6 7 8 9 10 11 12
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
14
IN5
Vout1
4
13
GND
Vcc
GND
5
12
IN4
IN2
6
11
CTLE
CTLB
7
10
IN3
Vout2
9
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
10
Vout2
9
BA7625
R850
10K
C849
2u2/16V
C851
223
ZV3
7
IN3
CTLD8CTLC
GNDGND
YUV IN H/Other L
Q813
A933
D811
1N4148
D810
1N4148
R9016
7K5
Q9012
D1468
Q9013
C114
GND
CT_A
L804
+5V
+5V
100uH
C893
C898
C827
103
47u/16V
1000u/6.3V
GND
CT_B
CT_C
16
15
CT_A
14
13
12
11
10
9
8
7
6
5
GND
YUVDET
C896
103
CT_B
CT_C
CT_D
CT_E
R935
75
R934
75
C935
R933
470u/10V
75
+5V
C909
103
GND
U817
1
8
G
2
7
GND
3
6
4
5
VCC
BA7623F
C944
103
Z2UV
C842
SYC2V
R9012
12K
R9015
7K5
RGB-8V
V_DIRE
R9014
15K
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
COUT
YOUT
VDD4
TESTOUT
MODE1
GND_1GND
VB1
VSS1
VB2
PD
FIL
VSS4
FSC
SDA
GND
GND
GND
R9011
7
6
5
00
01
11
R846
3K
Q823
C114
Q822
C114
Q910
D1468
NF
R907
10K
10u/16V
C928
470u/10V
+5V
C913
103
GND
C840
28
103
WIMA
27
26
25
103
24
C837
WIMA
681
23
22
R831 330
21
C835
103
20
19
Fsc
18
17
16
O_SD
15
O_CL
CTLBCTLA VIDEO OUT
YUV (IN1)
S_VIDEO (IN3)
VIDEO (IN4)
C900
47u/16V
U801
16
IN1
15
CTLA
14
Vout1
13
Vcc
12
IN2
11
CTLB
10
Vout2
9
BA7625
+5V
R845
GND
R924
75
R923
75
R92575R926
L813
+10V
75
100uH
C826
GND GN D
C836
WIMA
C834
WIMA
103
AGND
C920
L806
100u/16V
100uH
+5V
C892
103
GND
1
Mout
2
GND
3
R837
IN5
150R
4
C854
GND
2.2u/50V
5
IN4
6
CTLE
7
IN3
CTLD8CTLC
GNDGND
Q824
C114
GND
1K
Q837
C114
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
820R
+5V
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
103
1K
R801
1K
560R
C921
103
Q831
C1740
R895
G
R833
6.8K
R896
12K
Q828
C1740
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
Q825
560R
A933
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
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
AGNDAGND
R898
A933
220R 1/4W
C875
R940
10u/16V
R892
100R
AGNDAGND
R893
100R
L801 2.2uH
R815
820K
3
2
GND
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
C818
R821
0.47u/50V
1N4148
2K7
R820
47K
SYN
C819 30P
C817 22P
L819 3.9uH
C815
1u/50V
C820
682
AGND
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
R818
120
R817
6K8
R816
1K5
C813
1200P
C812
0.47u/50V
+5V
C814
474
AGND
C886
47P
AGND
R860
4K7
R856
560
+5V
L810
100uH
GND
123456789101112131415
GND
R813
4K7
3K3
100u/16V
C937
16
15
14
13
12
11
10
L811
100uH
10
P802
P10
C811
103
IN1
CTLA
Vout1
Vcc
IN2
CTLB
Vout2
9
C938
103
U804
16
IN1
15
CTLA
14
Vout1
13
Vcc
12
IN2
11
CTLB
10
Vout2
9
BA7625
CTLA VIDEO OUT
0
+5V
1
C945
0
47u/16V
GND
1
Mout
2
GND
3
IN5
4
GND
5
IN4
6
CTLE
7
IN3
CTLD8CTLC
U803
BA7625
+5V
C946
47u/16V
GND
Mout
GND
IN5
GND
IN4
CTLE
IN3
CTLD8CTLC
V_DIRE
SDET
Prog-det
PAL-DET
+5V
GND
-5V
CTLE
0
0
1
SDET
Prog-DETZV1
V_MUTE
123456789
GND
1
2
3
4
5
6
7
GNDGND
C925
103
VIDEO(OSD) (IN3)
VIDEO DIRECT (IN4)
S-VIDEO to VIDEO (IN5)
Q833
C1740
R891
R905
1.2K
820R
Q826
C1740
R890
R889
820R
1.2K
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
C894
103
GND
U807
5
4
VCC
3
6
2
7
8
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
VCC
+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
5
4
VCC
BA7623F
+5V
C911
103
GND
A & R cambridge ltd
MODEL: AVR300
OSD SCH
DWN.BY: BQ yang
APP.BY:
+5V
S_VIDEO OSD (IN2,IN5)
GND
R930
V-MU
1110987654321
8
7
6
5
C910
103
C939
103
R918
680K
75
GND
GNDGND
R931
75
R884
3K
R913
3K
R824
75
R825
75
R826
75
R827
75
R8873KR888
C922
103
CVBS1V
Q805
D1468
R852
3K
R932
75
R881
75
C873
10u/16V
SV807A
VCR2 OUT
C872
470u/10V
C871
10u/16V
SV806A
C870
VCR1 OUT
470u/10V
R822
Q804
75
D1468
3K
GND
GND
R823
75
R886
3K
GND
GND
Q803
Q802
D1468
D1468
V-MU
12K
R8014
12K
R8015
C877
R879
75
1000u/10V
Q806
Q821
D1468
D1468
GND
GND
C934
470u/10V
C879
470u/10V
SHEET 4 OF 13
ISSUE: M1
DATE:06/APR/2004
DATE:
12
C
Y
C
Y
D
GND
C874
470u/10V
C876
10u/16V
C
Y
SV808A
MONITOR
GND
C
P801
1
2
GND
ZONE2_O
B
-5V
VA808B
MON
GND
VA807B
VCR2_OUT
GND
VA806B
VCR1_OUT
GND
A
Page 22
7654321
8
D
U821 BA7623F
1
G
GND
SCMAIN2VU
SYMAIN2VU
C
+9V
C983
47uF/16V
B
AGND
+5V
L814
100uH
C992
47uF/16V
AGND
A
1 2 3 4 5 6 7 8
2
3
4
VCC
+5V
C955
47u/16V
GND
RGB from MCU
H
RGB
SYNC-OFF
SYNC-ON
L
Other
AGND
C984
10nF
C985
100nF
AGND
AGND
R975
1k
AGND
C988
10uF/16V
AGND
C993
10nF
AGND
R974
10k
AGND
C987
100nF
WIMA
C989
100nF
C990
470nF
470nF
C991
8
7
6
5
C979
100nF
C980
100nF
C986
100nF
AGND
C957 10u/16V
470u/10V
C958
C956
103
R972
1K
Q9011
C114
1
R_Y Clamp Det.
2
R-Y to CCD
3
B-Y to CCD
4
R-Y AGC Det.
5
VCC
6
Filter Adj.
7
S.C.P In
8
B-Y AGC Det.
9
PLL Det.
10
Clock
11
Clock In
12
VSS
13
Vin1
14
VDD
15
Vin2
R960
75
R962
75
R963
R961
75
75
GND
GND
SYNC SEP FILTER
+9V
AFC FILTER
R965
C967
30K
2.2u/50V
R967
C961
GND
R-Y/R1V
B-Y/B1V
3K
0.22u/50V
C968
22nF
GND
R969
5.1K
R970
8.2K
+9V
C969
1000u/16V
GND
Y/G1V
6
5
4
3
2
1
GND
P803B
PIN6
+5V
+9V
R9018
1K
Q9014
R-Y Out
B-Y Out
C114
GND
RYout
30
BYout
29
C981 100nF
28
GND
RY/Cr
27
R-Y In
C919
100nF
BY/Cb
26
B-Y In
C918
100nF
25
24
C998 470nF
23
C997
22
21
GND
AGND
C996
20
Vgg
AGND
1uF/16V
19
Vout1
18
Vob1
C994
17
Vob2
Vout2
AGND
1uF/16V
16
GND
U822
B-Y Clamp Det.
MODE SW2
MODE SW1
B-Y from CCD
R-Y from CCD
TA8772AN
1uF/16V
1N4148
D805
RGB_8V
+9V
R981
270k
R980
47K
R983
30K
R979
10K
R982
Q842
27K
R978
1k
470nF
+5V
Q841
C1740
C995
AGND
R977
1k
AGND
+5V
Q840
C1740
R976
1k
AGND
A933
R984
100K
AGND
AGND
X803
U813
4.433619MHz
1
X804
3.57954MHz
WIMA
2.2uF/50V
XTAL 1
C999
2
XTAL 2
3
XTAL 3
4
APC Filter
5
C GND
AGND
6
CHROMA input
C966
7
V-SEP
8
Sync input
R966
3K3
9
Sync output
10
AFC Filter
11
SYNC GND
R968
AGND
330R
12
32 fH VCO
13
VP outpu t
14
HD output
15
SCP output
16
Dig GND
DGND
17
CP / HP input
18
SYNC VCC
19
SW VCC
20
Y/G output
R986
NF
21
B-Y/B output
22
R-Y/R output
R971
23
ADRS SW
1K
24
SW GND
DGND
TA1270BF
C959
12pF
DGND
C960
12pF
DGND
C963
0.01uF
C962
2200pF
+9V
C964
100nF
WIMA
DGND
X805
B503F30
D804
1N4148
C970
10nF
R-Y/Cr Output
B-Y/Cb output
SECAM CONT
1HDL CONT
fsc output
UV/CbCr SW
DAC VCC
Y output
DAC TEST
R-Y1 input
B-Y1 input
Y1 Input
I2C GND
R-Y2 input
B-Y2 input
Y2 input
RY/Cr
48
BY/Cb
47
46
45
44
43
42
C VCC
41
40
Y input
39
DAC1
38
DAC2
37
36
GND
GND
35
34
SDA
33
SCL
32
Ys
31
30
29
28
DGND
27
26
25
C839
100u/16V
L815
C978
10nF
C976
100nF
C974
100nF
C973 104
C972 104
C971 104
100uH
C977
1000u/16V
GND
C965
100nF
O_SD
O_CL
R973
1K
RGB _8V
RYout
WIMA
BYout
C975
WIMA
100nF
WIMA
R946
100
R945
100
L818
27uH
R990
15p
510R
R991
C8002
C943
10p
33p
+5V
R947
220R
47u/16V
C950
10u/16V
C949
10u/16V
C951
22u/16V
C907
1K5
AGND
-5V
C954
47u/16V
GND
-5V
R953
10K
AGND
R993
103
2K
R992
820
4
3
2
1
8
7
6
5
R959
100
R957
R958
470
10K
AGND
R955
R954
300
300
4
3
2
1
8
7
6
5
R951
300
R950
R948
300
10K
AGND
C8003
C8001
TK15420M
U819
TK15420M
RV805
R952
C832
10nF
R994
10R
U820
+5V
C953
47u/16V
AGND
RV803
2K
R985
1K
R956
1K
RV804
1K
+5V
C952
47u/16V
AGND
1K
1K
Fsc
TO U805 PIN19
R944
75
Y/G1V
R943
150
B-Y/B1V
R942
150
R-Y/R1V
A & R cambridge ltd
MODEL: AVR300
S-HQ VIDEO SCH
DWN.BY: BQ Yang
APP.BY:
SHEET 5 OF 13
ISSUE: M1
DATE: 06/APR/2004
DATE:
D
C
B
A
Page 23
321
4
D
C
B
A
M201E
Y
M201A
Cr/Pr
M201C
Cb/Pb
M202E
Y
M202A
Cr/Pr
VIDEO3 VIDEO OUT
M202C
Cb/Pb
M201F
Y
M201B
Cr/Pr
VIDEO2
M201D
Cb/Pb
M202F
Y
M202B
Cr/Pr
VIDEO1
M202D
Cb/Pb
R299
75
U204
1
2
3
4
5
6
7
R280
4K7
R279
18K
LT1675
RED1
GREEN1
RED_O
BLUE1
GREEN_O
GND
BLUE_O
GND
RED2
GREEN2
SELECT
BLUE28EN
C_VIN
ZV5
+5V
ZV4
C_VIN
ZV5
16
+V
15
14
13
12
-V
11
-V
10
YUV-DET-U204
9
V_MU
SELECT
0
1
+5V
C298
C292
103
10u/16V
-5V
C297
C291
10u/16V
103
+5V
C295
C289
10u/16V
103
-5V
C296
C290
10u/16V
103
C283
10u/16V
103
C285
10u/16V
103
S-VIDEO to YUV
C299
C_VO
470U/16V
V_MU
C_VIN
-5V
+5V
+5V
C284
-5V
C286
OUT
YUV or RGB
R275
75
C_VIN +5V
R276
75
R277
75
+5V
123456789
P803
TO VIDEO BOARD
R274
75
-5V
C293
C287
103
10u/16V
GND
-5V
C_VIN
V_MU
ZV4
C_VO
V_DIRE
ZV5
YUVDET
10
C_VO
V_DIRE
YUVDET
ZV4
ZV5
1
2
3
U203
Vin1
GND
Vin2
-V4SELECT
LT1675-1
VOUT
+V
EN
R-Y/R1V
B-Y/B1V
8
7
6
5
V_DIRE
C222
22P NPO 0805
L206
2U2H SM
C220
330P NPO 0805
VID_GND
C223
22P NPO 0805
L207 2U2H SM
C221
330P NPO 0805
VID_GND
C224
22P NPO 0805
L208 2U2H SM
Y/G1V
C225
330P NPO 0805
VID_GND
A & R cambridge ltd
C288
103
C216
270P NPO 0805
C217
270P NPO 0805
C218
270P NPO 0805
MODEL: AVR300
R28475R28375R281
R266 75
R267 75
R268 75
R-Y/R1V
Y/G1V
B-Y/B1V
1
RED1
2
GREEN1
3
BLUE1
4
GND
5
GND
6
RED2
7
GREEN2
BLUE28EN
1
RED1
2
GREEN1
3
BLUE1
4
GND
5
GND
6
RED2
7
GREEN2
BLUE28EN
R27175R27075R269
75
R26575R26475R263
75
U201
LT1675
16
+V
15
RED_O
14
GREEN_O
13
BLUE_O
12
-V
11
-V
10
SELECT
9
Q299
C114
U202
LT1675
16
+V
15
RED_O
14
GREEN_O
13
BLUE_O
12
-V
11
-V
10
SELECT
9
R297
75
R295
75
R293
75
R292
75
R291
75
75
R290
75
R289
75
R288
75
R287
75
R286
75
HQ_VIDEO SCH
R285
75
1 2 3 4
DWN.BY: BQ Yang
APP.BY:
ZV4 ZV5 YUV OUT
1
1VIDEO3
1VIDEO20
0 0 VIDEO1
FULL-PAGE
0
12345
6
P802
TO VIDEO BOARD
10u/16V
1
C294
SHEET 6 OF 13
ISSUE: M1
DATE:06/APR/2004
DATE:
D
C
B
A
Page 24
D
C
B
REMOTE-IN(ZONE2)
A
DB201
1
6
2
7
3
8
4
9
5
RS232
GND18 GND18
JA251B
REMOTE-OUT
Tip = Signal
Ring = 0V
Sleeve = +12V
REMOTE_IN(LOCAL)
JA255B
IR INPUT
Tip = Signal
Ring = 0V
Sleeve = +12V
JA255A
Tip = Signal
Ring = 0V
Sleeve = +12V
321
R262
10K
R250
3K 0.25W
100 0.25W
Q222
D212
IN4148
2SC2229
Q210
Z250
D207
13V
1N4148
D208
1N4148
D209
1N4148
Q209
DTC114
GND18
R236
R237
3K 0.25W
Z255
Q217
6V8
DTC114
Q219
DTC114
+20V
R265
10K
Q5
Q6
2SC2229
Q218
10R/1\2W
GND18
R298
10u/16V
C230
C221
10u/16V
C202
47u/16V
R246
RXE017
R260
100 0.25W
+20V
R261
47u/16V
Q3
Q6
3K 0.25W
Z251
Q211
6V8
DTC114
Q212
C114
+20V
R269
100 0.25W
3
10u/16V
C229
Q215
DTC114
GND18
R270
1K 0.25W
Z253
6V8
Q226
C114
Q9
Q10
C204
R238
RXE017
C228
10u/16V
+12V
GND
2
C222
10u/16V
R309
3K
R311
3K
Z256
C227
13V
10u/16V
U206
78L12
1
Vin
C114
Q257
C114
+5V
IR IN
IROUT
12345
6
P205A
FROM KEY BOARD P205B
84
U207C
TS9721D
A & R cambridge ltd
MODEL: AVR300
RS232 SCH
R268
100 1W
C215
1u/50V
U204
1
C216
2
1u/50V
3
C217
4
1u/50V
5
6
D206
D203
4148
4148
D204
4148
GND18
D214
1N4148
R242
470R
R243
1K
R266
470R
R267
1K
7
C218
1u/50V
C254
10u/16V
1
2
3
4 5
OPO201
6N135
L201
BL01RN1
NF
1
2
3
4 5
OPO202
6N135
L202
BL01RN1
NF
R245
75
R244
75
C214
D205
0.1uF
4148
R286
RXE017
R240
RXE017
R241
RXE017
D213
1N4148
D215
1N4148
IR INPUT
16
C1+
VCC
15
V+
GND
14
C1-
T1OUT
C2+
C2-
R1OUT
V-
T2OUT
R2IN8R2OUT
MAX232D
AV 000
SAT001
PVR010
TAPE011
CD 100
8
7
6
NF
8
7
6
13
R1IN
12
11
T1IN
10
T2IN
9
GND18
D_C D_B D_A
+5V(D)
R247
2K2
+5V(D)
R271
2K2
GND18
P3.1
P3.0
R227
10K
DGND
DGND
C219
47u/16V
GND18
101DVD
R248
1K
NF
R272
1K
NF
FROM MAIN BOARD P805B
+20V
RS2
RS1
4094
DATA
CLK
+12V
TC2973-010
TC2973-010
R249
270K
R273
270K
1
4094
2
DATA
3
CLK
4
Q1
5
Q2
6
P805A
1
2
3
4
5
6
7
8
9
10
+5V
D202
4148
R306
220
+5V(D)
C232
100N
R252
R287
1K8
1K2
+5V(D)
C244
100N
R275
R274
1K8
1K2
Q5
7
Q6
GND18
1
4094
2
3
CLK
4
Q9
5
Q10
6
7
D201
4148
GND18
GND18
Q234
R304
Z232
R251
3K3
R276
3K3
C114
R300
2K2
3K3
3V3
R301
1K5
GND18
C235
C234
150P
150P
R254
10K
R253
680K
2
1
3
U207A
TS972ID
C233
100N
C236
680p
C247
C246
150P
150P
R278
10K
R277
680K
2
1
3
U208A
TS972ID
C245
100N
C248
680p
U205
74HC4094
STR
DA
CLK
Q1
Q2
Q3
Q4
VSS8QS
U209
74HC4094
STR
DA
CLK
Q1
Q2
Q3
Q4
VSS8QS
Q236
A114
R306
220
1N4148
1N4148
C220
+5V
10u/16V
16
VDD
15
O_EN
14
Q5
Q3
13
Q6
Q4
12
Q7
Q7
11
Q8
Q8
10
Q'S
9
C252
104
+5V
GND18
16
VDD
15
O_EN
14
Q5
13
Q6
12
Q7
11
Q8
10
Q'S
9
R299
1K2
Q235
C114
GND18
+5V(D)
R257
R258
3K3
22K
D210
6
5
U207B
TS972ID
R256
R255
1.5K
470K
R289
15K
+5V(D)
R281
R282
3K3
22K
D211
6
5
U208B
TS972ID
R280
R279
1K5
470K
GND18
Q1
Q2
TO DSP BOARD P122A
ZONE_VMUT
4
3
D_A
D_B
2
1
D_C
GND18
R302
3K3
R303
1K5
+5V(D)
R259
4K7
7
Q220
DTC114ES
+5V(D)
R283
4K7
7
Q233
C114
C253
104
DTC114ES
C203
47u/16V
P122B
Q223
R310
3K
3K
C201
47u/16V
+20V
Q208
DTC114
GND18
R308
GND18
+20V
R296
2K2
Q7
Q8
R305
2K2
Z233
3V3
GND18
Q221
C114
C237
10P
C249
10P
DWN.BY:
1 2 3 4
APP.BY:
4
GND18
GND18
JA253A
1/RGB
JA251A
2/S-VIDEO
Sleeve = 0V
JA253B
12V-TRIGGER-OUT
Tip = Main Zo ne
Ring = Zone 2
Sleeve = 0V
D
C
B
A
R263
RXED17
Q213
2SC2229
2SC2229
Q214
84
R291
470
DTC114
Q228
U208C
TS9721D
C223
10u/16V
C225
10u/16V
C224
10u/16V
R284
RXE017
C226
10u/16V
R239
A949
Q230
R294
R292
470
2K
Q229
DTC114
C238
10u/16V
RXED17
R295
RXED17
C250
C251
104
104
GND18
C240
C239
C241
104
10u/16V
104
Z252
13V
Z254
13V
A949
Q231
R293
470
+5VD
SHEET 7 OF 13
ISSUE: M1
DATE:06/APR/2004
DATE:
Page 25
CO101A
COAXIN1
D
C
B
A
DVD
CO101B
COAXIN2
AV
CO101C
COAXIN3
D112
1N4148
OP101
DIGIN1
TAPE
OP102
DIGIN2
PVR
OP103
DIGIN3
SAT
SD_ADDR0/EXTA0
SD_ADDR1/EXTA1
SD_ADDR2/EXTA2
SD_ADDR3/EXTA3
SD_ADDR4/EXTA4
SD_ADDR5/EXTA5
SD_ADDR6/EXTA6
SD_ADDR7/EXTA7
SD_ADDR8/EXTA8
SD_ADDR9/EXTA9
SD_ADDR10/EXTA10
SD_DATA8/EX TA11
SD_DATA9/EX TA12
SD_DATA10/EXTA13
SD_DATA11/EXTA14
SD_DATA12/EXTA15
SD_DATA13/EXTA16
SD_DATA14/EXTA17
SD_DATA15/EXTA18
SD_BA/EXTA19
SD_DQM0
SD_WE#
SD_CAS#
SD_RA#
SD_CS#
SD_CLK_EN
SD_CLK
SD_DQM1
+2.5VD
R116
R114
R115
R131
R148
R149
R151
R152
R159
R160
R161
R180
R162
R167
R168
R169
R170
R171
R172
R173
R175
+3.3V
C135
.1uF
GND
C137
.1uF
+3.3V
C138
.1uF
GND
C136
.1uF
+3.3V
2V_DSP_INTERQ
2V_DSP_SCS
2V_DSP_FCS
2V_DSP_SCCLK
2V_DSP_SCDIN
2V_DSP_SCDOUT
R219
100
NV_WE#/GPIO16
NV_OE#/GPIO15
NV_CS#/GPIO14
SD_ADDR0/EXTA0
SD_ADDR1/EXTA1
SD_ADDR2/EXTA2
SD_ADDR3/EXTA3
SD_ADDR5/EXTA5
SD_ADDR6/EXTA6
SD_ADDR7/EXTA7
SD_ADDR8/EXTA8
SD_ADDR9/EXTA9
SD_ADDR10/EXTA10
SD_DATA8/EX TA11
SD_DATA9/EX TA12
SD_DATA10/EXTA13
SD_DATA11/EXTA14
SD_ADDR4/EXTA4
SD_DATA12/EXTA15
SD_DATA13/EXTA16
SD_DATA14/EXTA17
SD_DATA15/EXTA18
SD_BA/EXTA19
SD_DQM0
SD_WE#
SD_CAS#
SD_RA#
SD_CS#
SD_CLK_EN
SD_CLK
SD_DQM1
3
6
GND
2V-MRESET/
321
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
C164
2
1
5
4
129
141
120
121
139
130
116
115
112
105
97
96
95
29
27
24
22
19
18
14
9
89
88
84
83
48
42
C171
1uF
41
50
C162
1uF
51
58
1uF
57
69
C163
1uF
70
3
135
142
136
140
16
15
6
4
7
144
30
31
32
73
74
75
76
66
65
63
62
60
72
56
55
54
53
67
52
49
47
46
71
39
33
78
77
68
64
61
59
45
EXTA0
EXTA1
U101
CS494003
/CS,GPIO9
HINBSY,GPIO8
/WR,/DS,GPIO10
/RD,R/W.GPIO11
A1,GPIO1 2
A0,GPIO1 3
HDATA0,GPIO0
HDATA1,GPIO1
HDATA2,GPIO2
HDATA3,GPIO3
HDATA5,GPIO5
HDATA6,GPIO6
HDATA7,GPIO7
FDAT0
FDAT1
FDAT2
FDAT3
FDAT4
FDAT5
FDAT6
FDAT7
NC1
NC2
NC3
NC4
NC5
VDDSD4
VSSSD4
VSSSD3
VDDSD3
VDDSD2
VSSSD2
VSSSD1
VDDSD1
/INTREQ,/ABOOT
/SCS
SCCLK
SCDIN
SCDOUT,SCDIO
/FINTREQ
/FCS
FAO,FSCCLK
FA1,FSCDIN
FHS2,FSCDIO,FSCDO UT
/RESET
/NV_WE#,GPIO16
/NV_OE#,GPIO15
/NV_CS#,GPIO14
SD_ADDR0,EXTA0
SD_ADDR1,EXTA1
SD_ADDR2,EXTA2
SD_ADDR3,EXTA3
SD_ADDR5,EXTA5
SD_ADDR6,EXTA6
SD_ADDR7,EXTA7
SD_ADDR8,EXTA8
SD_ADDR9,EXTA9
SD_ADDR10,EXTA10
SD_DATA8, EXTA1 1
SD_DATA9, EXTA1 2
SD_DATA10,EXTA13
SD_DATA11,EXTA14
SD_ADDR4,EXTA4
SD_DATA12,EXTA15
SD_DATA13,EXTA16
SD_DATA14,EXTA17
SD_DATA15,EXTA18
SD_BA,EXTA19
SD_DQM0
/SD_WE
/SD_CAS
/SD_RAS
/SD_CS
SD_CLK_EN
SD_CLK_IN
SD_CLK_OUT
SD_DQM1
R181
10K
GND
R183
10K
GND
21
20
10
VSS7
VDD7
VDD6
UHS1, GP IO 18
FHS1,/FRD,FR/W
UHS2,/CS_OUT,GPIO17
UHS0, GP IO 18
FHSO,/FWR,FDS
HDATA4,GPIO4
LDCLKN,GPIO23
SCLKN,GPIO22
SDATA0,GP IO24
SDATA1,GP IO25
SDATA2,GP IO26
SDATA3,GP IO27
AUDATA4,GPIO28
AUDATA5,GPIO29
AUDATA6,GPIO30
AUDATA7,XMT958B,GPIO30
FSCLKN1,STCCLK2
CMPDAT, FSDATAN2
CMPREQ,FLRCLKN2
CMPCLK,FSCLKN2
AUDATA3,XMT958A
SD_DATA0, EXTD 0
SD_DATA1, EXTD 1
SD_DATA2, EXTD 2
SD_DATA3, EXTD 3
SD_DATA4, EXTD 4
SD_DATA5, EXTD 5
SD_DATA6, EXTD 6
SD_DATA7, EXTD 7
11
DBCK
DBDA
VSS6
FDBDA
FDBCK
CLKSEL
PLLVSS
GPIO 20
GPIO 21
VDD5
VDD4
VDD3
VDD2
VDD1
PLLVDD
XTALO
LRCLK1
CLKIN
FSDATAN1
FLRCLKN1
MCLK
SCLKO
AUDATA0
AUDATA1
AUDATA2
LRCLK0
TEST
VSS5
VSS4
VSS3
VSS2
VSS1
FILT2
FILT1
SCK1
26
R118 10K
25
R119 10K
23
R120 10K
R117 10K
17
28
GND
128
122
R212 3.3K
2
R213 3.3K
13
143
R214 3.3K
R215 3.3K
1
R216 3.3K
12
5
8
138
C139
.1uF
137
133
C158
.1uF
132
114
C143
.1uF
113
101
C167
.1uF
100
90
C166
.1uF
91
125
123
124
C155
68pF
GND
126
R190 10K
103
R220 10K
85
R221 10K
86
R222 10K
82
R223 10K
81
R102 10K
80
R224 10K
79
98
87
102
94
93
92
2V_12.288MHZ
127
2V_ADC_SCLK
134
2V_ADC_SDATA
131
2V_ADC_LRCLK
119
2V_SPDIF_SDOUT
118
2V_SPDIF_LRCLK
117
2V_SPDIF_SCLK
111
2V_MCLK_DSP
99
R228 33
104
R229 33
110
R230 33
109
R227 33
107
R225 33
106
R226 33
108
SD_DATA0/EX TD0
34
SD_DATA1/EX TD1
35
SD_DATA2/EX TD2
36
SD_DATA3/EX TD3
37
SD_DATA4/EX TD4
38
SD_DATA5/EX TD5
40
SD_DATA6/EX TD6
43
SD_DATA7/EX TD7
44
C154
2.2uF
R218
3K
DIG_OUT
+2.5VD
+2.5VD
C165
1uF
GND
C157
1uF
+2.5VD
C168
1uF
GND
C170
1uF
+2.5VD
C169
1uF
GND
.01uF
C153
GND
2V_DSP_SCLK
2V_DSP_AUDATA0
2V_DSP_AUDAT1
2V_DSP_AUDAT2
2V_DSP_AUDAT3
2V_DSP_LRCLK
GND
+2.5VD
+2.5VD
EXC-ML45A910U
C160
.1uF
C156
1.2nF
+2.5VD
GND
R103
100
+3.3V
12.288M
MCLK
R177 100
R178 100
R179 100
R182 100
R208 100
R209 100
R210 100
R211 100
A & R cambridge ltd
MODEL: AVR300
DSP SCH
DWN. BY: SZ Lin
APP.BY:
D104
1N4148
CD
C117
D105
104
1N4148
R197
75
GND
D107
1N4148
R199
75
D106
1N4148
GND
D109
1N4148
R200
75
D108
1N4148
+3.3V
GND
R123
D111
10K
1N4148
L107
10uH
1
2
3
C146
103
C140
GND
10u/16V
L106
10uH
1
2
3
C145
103
C141
10u/16V
GND
L105
10uH
1
2
3
C144
103
C142
10u/16V
GND
R133 100
R134 100
R135 100
R136 100
R137 100
R138 100
R139 100
R140 100
R141 100
R142 100
R143
R144 100
R145
R146 100
R147 100
R150 100
R153 100
R154 100
R155 100
R156 100
R157 100
R158 100
R163 100
R164 100
R165 100
R166 100
R174
R176 100
R204
680
R203
47K
GND
C121
104
+3.3V
14
C101
103
Vcc
GND
C120
104
U102
74HCU04
13
11
12
D_AV
R201
47K
9
10
8
GND
1
R193
47K
C175
104
R185
680
GND
D_CD
D110
1N4148
+5V_D
D_TAPE
R189
10K
D_PVR
R188
10K
R187
10K
GND
GND
R125
R202
680
1k
D_DVD
GND
R192
1k
GND
CDOUT
8415
R126
C113
470
103
C125
C174
R184
472
1K
GND
C124
103
R206
470
C105
R297
103
1K
103
GND
R205
1K2
C126
D_RST
104
MCLK
INT
R109
470
7
6
5
3
4
2
D_SAT
U107
EXTA0
EXTA1
EXTA2
EXTA3
EXTA4
EXTA5
EXTA6
EXTA7
EXTA8
EXTA9
100
EXTA10
EXTA11
EXTA12
100
EXTA13
EXTA14
EXTA15
EXTA16
EXTA17
EXTA18
EXTA19
SD_DQM0_R
SD_WE#_R
SD_CAS#_R
SD_RA#_R
SD_CS#_R
SD_CLK_EN_R
SD_CLK_R
100
SD_DQM1_R
EXTA0
EXTA1
EXTA2
EXTA3
EXTA4
EXTA5
EXTA6
EXTA7
EXTA8
EXTA9
EXTA10
EXTA11
EXTA12
EXTA13
EXTA14
EXTA15
EXTA16
EXTA17
EXTA18
EXTA19
SD_DQM0_R
SD_WE#_R
SD_CAS#_R
SD_RA#_R
SD_CS#_R
SD_CLK_EN_R
SD_CLK_R
SD_DQM1_R
KM416S1120DT
21
A0
22
A1
23
A2
24
A3
27
A4
28
A5
29
A6
30
A7
31
A8
32
A9
20
A10
39
DQ8
40
DQ9
42
DQ10
43
VDDQ
DQ11
45
VDDQ
DQ12
46
DQ13
48
DQ14
49
DQ15
19
BA
14
LD QM
15
WE
VSSQ
16
CAS
VSSQ
17
RAS
VSSQ
18
CS
VSSQ
34
CKE
VSSQ
35
CLK
VSSQ
36
UDQM
37
N.C/RFU
P111B
TO MAIN BOARD
9
7
8
4
5
6
1
2
D_RST
DOUT
D_DI
D_CL
INT1
INT2
3
14
15
16
12
13
10
11
GND
D_C D_B D_A
AV 000
SAT 001
PVR010
TAPE011
CD 100
+5V
L101
10uH
C122
104
GND
1
SD/CD
2
AD0/CS
3
NC
EMPH
4
RXP0
5
RXN0
6
VA+
7
AGND
8
FILT
9
RST
10
RMCK
11
RERR
12
RXP1
13
RXP2
14
RXP3
GND
R110
GND
1K
1
VDD
25
VDD
50
VSS
C151
.01uF
2
DQ0
3
DQ1
5
DQ2
6
DQ3
8
DQ4
9
DQ5
11
DQ6
12
DQ7
44
38
C148
.01uF
26
VSS
47
41
13
10
7
4
33
NC
L110
10uH
+3.3V
U103
CS8415
28
SCL/CCLK
27
AD1/CDIN
26
RXP6
25
RXP5
24
H/S
23
VD+
22
DGND
21
OMCK
20
NC
U
19
INT
18
SDOUT
R111 100
17
OLRCK
16
OSCLK
15
RXP4
R290
R113
470
R122
470
+3.3V
C119
.1uF
C118
C152
.1uF
.01uF
GND
+3.3V
C110
.1uF
C106
.1uF
GND
NV_OE#/GPIO15
NV_CS#/GPIO14
NV_WE#/GPIO16
101DVD
C123
104
D_CL
D_DI
GND
12.288M
R130
33
SDOUT
8_LRC
8_SCL
GND
1K
C114
470u/10V
12
13
U108D
74ACT32
+5V_D
+3.3VD
CDOUT
8415
SCS
FCS
R121
1K
+3.3V
P110B
TO MAIN BOARD
8
9
6
7
3
4
5
1
2
INT
MCLK1
BCLK
LRCLK
DIN4
LRC
DGND
DGND
MCLK
DGND
DIN4
DGND
BCLK
+3.3V
U109
HC151
D_TAPE
D_PVR
D_SAT
D_AV
DIG_OUT
1
2
3
4
5
6
7
8
16
VCC
D3
15
D4
D2
14
D5
D1
13
D6
D0
12
D7
Y
11
A
W
10
B
S
9
C
GND
GND
+3.3V
C172
104
20
Vcc
GND
19
OE
18
B0
INT1
17
B1
DOUT
16
B2
INT2
15
B3
14
B4
13
GND
B5
12
B6
11
MCLK1
B7
14
VCC
GND
U108E
74ACT32
7
GND
D101
1N4002
C102
2200u/25V
U104
74HC245
C112
.1uF
+2.5VD
R112
2K
1
DIR
2
A0
3
A1
4
A2
5
A3
6
A4
7
A5
R127
8
A6
3K
9
A7
10
GND
GND
+3.3V
C150
.01uF
+3.3V
C104
.1uF
C107
GND
104
10
11
DIN3
DGND
GND
C173
104
D_CD
D_DVD
R108
R107 1K
R106
ZONE_VMUT
+2.5VD
R129
2K
MCLK
4
2
12
DIN2
GND
1K
1K
13
DGND
R207
2K
FCS
D_CL
D_DI
CR101
VCC
OUT
GND
12.288MHz
15
16
14
DIN1
DOUT
DGND
DOUT
DIN1
DIN2
DIN3
P122A
1
D_A
2
D_B
3
D_C
4
TO RS232
SCS
R196
100
2V_DSP_FINTREQ
R186 100
R194 100
R195 100
D_RST
12.288M
R231
33
3
1
GND
U106
+3.3V
C149
.01uF
EXTD0
EXTD1
EXTD2
EXTD3
EXTD4
EXTD5
EXTD6
EXTD7
GND
74ACT32
U108C
32
C111
.1uF
16
13
14
15
17
18
19
20
21
24
22
31
8
VCC
GND
1/00
1/01
1/02
1/03
1/04
1/05
1/06
1/07
/OE
/CE
/WE
AT29LV040A(PLCC)
12
A0
11
A1
10
EXTA2
A2
9
EXTA3
A3
8
EXTA4
A4
7
EXTA5
A5
6
EXTA6
A6
5
EXTA7
A7
27
EXTA8
A8
26
EXTA9
A9
23
EXTA10
A10
25
EXTA11
A11
4
EXTA12
A12
28
EXTA13
A13
29
EXTA14
A14
3
EXTA15
A15
2
EXTA16
A16
30
EXTA17
A17
1
EXTA18
A18
U108 A
74ACT32
U108B
74ACT32
EXTD0
EXTD1
EXTD2
EXTD3
EXTD4
EXTD5
EXTD6
EXTD7
9
11
10
1 2 3 4
4
+3.3V
+2.5VD
GND
C108
C127
1uF
.1uF
C109
C128
1uF
.1uF
C159
10u/16V
L112
Ferrite bead
L103
C161
.1uF
GND
C147
104
R191 100
EXTD0
EXTD1
EXTD2
EXTD3
EXTD4
EXTD5
EXTD6
EXTD7
L102
10uH
+2.5VD
GND
1
2
3
C116
104
GND
L113
L109
Ferrite bead
IN5
4
1
3
2
C131
104
GND
3
M101
R100
DST2
150
2
C115
222
C129
GND
R233
10
8
U105
74HCT04
102
GND
9
10
11
12
13
14
Vcc
DDOUT
SDOUT
8_LRC
8_SCL
R124
2K2
ZONE_VMUT
SCLK
DIN1
DIN2
DIN3
DIN4
LRCLK
C133
10u/16V
Q102
1468
P103
R105
2PIN
1
2
C134
223
SHEET 8 OF 13
OP104OP2
R198
75
D
CO101D
COAXOUT
C130
103
1
C
C103
47u
16V
7
R235
GND
10
6
5
R232
10
4
3
R234
10
2
1
B
R104
R101
3K
3K
Q101
1468
C132
CO102
470u/10V
VID OUT
75
A
ISSUE: M1
DATE:06/APR/2004
DATE:
Page 26
P105A
TO TUN BOARD J704B
15
16
14
12
13
DA_OUT
CE_PLL
CLK
DA_IN
RDS_CL
D
RDS_SI
RDS_DA
STEREO
TAPE_O_L
TAPE_O_R
TUN_R
TUN_L
C
D_RST
DOUT
D_DI
D_CL
INT1
INT2
SDET
RS1_A
YUVDET
RS2_A
P1
-V
P2
B
FMU F_MU
SMU S_MU
BSMU BS_MU
CMU C_MU
A
A_MU AMU
11
P302A
FROM AUDIO BOARD P302A
6
5
4
3
2
1
GND11
P111B
TO DSP BOARD P111B
6
5
4
3
2
1
P101B
TO KEY BOARD P101A
9
15
14
13
12
11
10
R157
-12V
1K5
Z104
5V1
GND6
R123
Q110
56K
A114
GND6
R121
Q109
56K
A114
GND6
R119
Q108
56K
A114
GND6
R117
Q107
56K
A114
GND6
R169
Q115
56K
A114
GND6
321
P402A
TO MULTI BOARD P4 02A
9
8
6
7
4
5
2
3
1
FMU
SMU
BSMU
CMU
SUBMU
MON
R143 4K7
R144 4K7
R145 4K7
R146 4K7
R181 3K3
R151 4K7
R153
R152
ZV4
ZV5
ZV3
RGB
+5VC
ZV2
ZV1
L_S1
Z_AMP
L_S0
R192 4K7
R190 4K7
R191 4K7
G_S1
RE1
RE3
RS2_A
D145
D144
1N4004
1N4004
1
C143
470u/16v
U106
LM7805
3
+5V
Vin
GND
2
1
GND
3
-5V
Vin
U110
LM7905A
R102
200
Z101
27V
U105
LM7812
GND7
3
+12V
Vin
GND
4700u/25V
2
1
U104
LM7912
104
3
C102
1000u/25V
GND
-12V
Vin
D123
IN4004
IN4004
D126
IN4004
R193 4K7
1
C101
2
R184
0.22/1W
D124
D125
IN4004
VCR1M
VCR2M
9K/10K
V_DIRE
4K7
4K7
40
41
42
43
44
1
2
3
4
5
6
3K9
4K7
3K9
R156
R194 4K7
R112
R195
D146
1N4004
C125
104
D142
D141
1
1N4004
1N4004
C145
C121
470u/16V
3300u/16V
2
C133
1000u/25V
5V1
Z103
C106
R101
100u/50V
3k
D105
IN4004
D103
IN4004
D101
IN4004
16
14
15
13
11
12
10
DI
CL
CE
CLK
DGND
W_RST
DATA
8770
GND6
W_RST
T_IR
T_IL
39
38
37
36
35
34
33
32
NC
P0.4
P0.5
P0.6
P0.7
P0.3
P0.2
P0.1
P0.0
VCC
NC
P1.0
P1.1
P1.2
P1.3
P1.4
GND8
1N4004
ALE
EAVPP
AT89C52
P3.1
NC
P3.0
RST
P1.7
P1.6
P1.5
9
8
7
14
13
12
11
10
C115
R126
10u/16V
10K
R111
3K9
GND8
D143
D109
D112
IN4004
IN4004
D110
D111
IN4004
IN4004
C129
104
R129
470
R128
470
D106
IN4004
C107
47u/50V
D104
IN4004
D102
IN4004
R182
0.22/1W
C127
104
C128
R183
104
0.22/1W
L_S0
L_S1
-12V
T_O_L
Q119
A114
P803A
TO VIDEO BOARD P803
+5VB
YUVDET
SDET
ZV1
ZV2
ZV3
ZV4
ZV5
1
DOUT
DOUT
DIN1
DIN2
DIN3DIN4
8
7
6
5
4
C135
470u/10V
D107
1N4004
D108
1N4004
R109
100/1W
D120
IN4004
C142
2200u/25V
D151
1N4002
D150
1N4002
+12V
D147
IN4148
3
2
1
3
2
GND13
+13V
P406A
TO MULTI BOARD P406A
16
14
15
12
13
GND9
O_MU
7
6
5
4
+20V
+13V
1
CMU
FMU_1
SMU
BSMU
U111
LM7810
3
+10V
GND
2
GND5
GND9
GND6
GND7
GND8
9
8
10
11
GND9
9
8
11
10
P803B
TO PMAIN BOARD P803A
3
2
1
GND16
+20V
+13V
P107
TO FAN1
2
1
+5VB
C144
470u/16V
1
Vin
R103
10K/0.25W
1N4002
104
-12V
12
GND8
P108
TO FAN2
6
7
4
5
2
3
1
G_S0
G_S1
BI_AMP
T_OL
T_OR
Z_AMP
16
15
14
13
+5VA
GND5
-5V
RGB
VSYNC
V_DIRE
8
7
6
5
4
RE1
RE1
RE2
RE3
POWER
RE3
RE2
POWER
2
1
3
+5V
Vin
GND
U112
2
LM7805
+5VA
C136
1000u/6V3
L101
10uH
C137
1000u/6V3
GND5
-5V_V
D1481N4002
-27V
D149
C109
+12V
C105
104
C138
C103
100u/16V
47u/16V
C108
C139
C104
100u/16V
47u/16V
+20V
C134
220u/25V
P106A
TO TUN BOARD J703B
8
9
6
7
4
5
3
1
10u/16V
9
11
LRC
10
C147
10
10
DGND
TC2973-010
SUB_MU
3
R148
1K2/0.25W
9
DIN4
GND6
CLK
DATA
4094
+12VD
Q123
C114
GND12
12
11
8
DGND
+5V6
Q118
1241
TC9273-010
7
DIN3
U109
78M56
CL3
TC9273
TAPE_I_L
TAPE_I_R
+12V
6
DGND
PORT
FANGND
+9V
2
GND8
D119
1N4004
D121
1N4004
5
DIN2
+20V
FAN
GND
2
GND8
R168
1k
TAPE_I_L
CD_L
R172
56K
-12V
4
3
2
DIN1
DGND
DGND
P104B
FROM AMP2 BOARD P104A
9
10
GND16
D127
1N4004
1
Vin
C146
10u/50V
GND8
R187
4.7
A1015
Q124
8
9
7
5
6
3
4
1
10
7
7
8
2
GND14
T_R
T_L
T_MUTE
D152
1N4002
+12VT
SD
GND13
9
8
12
11
10
CD_LA_MU
GND14
CD_R
VCRM
PVRM
CL2
DA5
-12V
9
8
7
GND8
D1381N4148
16
15
14
13
12
11
6
1N4148
1N4148
1N4148
1N4148
1N4148
1N4148
1N4148
1N4148
1N4148
H_RELAY
D133
D134
D129
D135
D130
D136
D131
D137
D132
10
5
R171
56K
R170
1K5
+5V_D
GND6
INT
+3.3VD
CDOUT
8415
SCS
FCS
4
3
2
1
AC4V
+20V
SD
+5VC
AC4V
RS2
+5V
RS1
Q121
Q120
A114
C123
GND6
SUBMU
+5VC +13V
C140
100u/16V
DET
+12VD
C149
10u/16V
1 2 3 4
12
CD_R
TAPE_I_R
T_O_R
R167
1K
Q117
1241
P301A
TO AUDIO BOARD P301A
6
4
5
2
3
1
GND9
P110B
TO DSP BOARD P110B
16
15
14
DGND
MCLK
BCLK
MCLK1
BCLK
LRCLK
P805B
TO RS232 BOARD P805A
7
6
5
4
3
2
1
GND8
FMU_1
R115
56K
-12V
A114
Q106
GND6
1N4148
D140
C124
C123
1000u/10V
1000u/10V
O_MU
R147
3K
C2229
Q122
R188
470
10u/16V
Z105
C148
13V
GND8
11
13
1N4004
10
GND11
8
7
12
DGND
9
8
D139
1N4148
D122
Q101
C123
P403A
TO MULTI BOARD P4 03A
8
9
6
7
5
3
4
1
2
LRC
DGND
DGND
DGND
MCLK
BCLK
MCLK1
BCLK
LRCLK
R116
2K
AMU
MON
CON
R164
R163
R162
U101
V_MU
DMU
1N4148
1N4148
28
27
26
25
24
23
22
21
20
19
18
D117
D118
2K
C116
20P
R149
680
D113
1N4004
D114
1N4004
DET
C131
104
R160
2K
2K
2K
CR101
12M
GND8
C141
220u/6V3
POWER
RE2
RS1_A
H_RELAY
D116
1N4004
D115
1N4004
AC1
AC2
1
2
3
4
5
6
7
8
9
10
11
12
P120
FROM TRANSFORMER
C117
20P
31
30
29
P2.7
P2.6
P2.5
PSEN
P2.4
P2.3
P2.2
P2.1
P2.0
NC
GND
X1
X2
P3.7
P3.6
P3.5
P3.4
P3.3
P3.2
17
16
15
R140
R110
3K9
3K9
C130
104
DIN4
R161
2K
GND6
DGND
+3.3VD
C111
3.3u/16V
10
DIN3
DGND
+5VC
SUBMU
CMU
BSMU
SMU
FMU
R166
10K
G_S0
RS1
1
2
3
TO HP_BOARD
GND8
13
11
12
DIN1
DGND
DIN2
D_CL
D_DI
D_DO
D_RST
INT1
INT2
CDOUT
DA5
CL2
DA6
9273
CL3
R118
3K9
+5VC
P300
C110
1000u/25V
R106
470
R105
1K5
14
15
16
DGND
DOUT
R159
3K9
R136
3K3
R135
3K3
R134
3K3
R133
3K3
R131
3K3
R130
3K3
R173 3K3
R174 3K3
R175
R176 3K3
R177 3K3
R178 3K3
R179 3K3
R180
U107
78M56
1
Vin
A & R cambridge ltd
MODEL: AVR300
MAIN BOARD SCH
DWN.BY: SZ Lin
APP.BY:
4
P802A
TO VIDEO BOARD P802
9
7
8
5
6
3
4
1
CON
DOUT
DIN1
DIN2
DIN3DIN4
C126
104
GND8
8770
8415
SCS
FCS
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
3K3
R124
3K9
GND8
3K3
D128
1N4004
3
+5V6
GND
C112
2200u/10V
2
STAND
Z102
5V1
2
+9V V_MU
O_CS
O_CLK
O_DATA
R141
1K
R142
1K
3K9
R155
3K3
R186
39
38
37
36
35
34
33
32
NC
P0.4
P0.5
P0.6
P0.7
ALE
PSEN
EAVPP
P89C669FA
P3.2
P3.1
NC
P3.0
RST
P1.7
P1.6
P1.5
9
8
7
14
13
12
11
10
10K
R154
C118
47u/16V
+5V_D
U108
LM317
2
OUT
IN
G
1
R107
470
GND6
10
GND5
PROG_DEE
U103
8
1
VCC
A0
7
2
WP
A1
6
3
SCL
A2
5
4
SDA
VSS
GND8
24C08
RS1_A
O_CS
CLK
GND8
DATA
31
P2.7
P3.3
15
R185
R158
30
29
3k9
U102
P2.6
P2.5
28
P2.4
27
P2.3
26
P2.2
25
P2.1
24
P2.0
23
NC
22
GND
21
X1
20
X2
19
P3.7
18
P3.6
CR102
P3.5
P3.4
20P
12M
C119
17
16
PROG_DEE
STEREO
GND8
R_CL
VSYNC
RS2
RS2_A
3K3
+5VC
PORT
PROG_B
Q113
C114
3
+3.3VD
R108
C114
220
1000u/6V3
C113
104
SHEET 9 OF 13
D
GND8
Q114
C114
PROG_A
R165
3K9
CE_PLL
C
R_DATA
R_SIG
W_RST
VSYNC
T_MU
STAND
C120
20P
Q112
C123
GND8
B
Q116
C114
DMU
A
ISSUE: M1
DATE: 06/APR/2004
DATE:
Page 27
22K
GND2 = Filter
Q826
2SC1845
R842
22K
4
P102A
+V
1
GND
2
3
-V
4
5
6
SLO
7
FLO
CENO
8
8P
SENOR
SE802
1
SEN1
SEN2
2
P108A
1
2
3
V_DET
4
5
CU_DET
PROT
6
TO AMP2 B OARD
C839
103
Q827
2SC1845
SHEET 10 OF 13
ISSUE: M1
DATE:06/APR/2004
DATE:
D
C
R844
Q828
33K
A949
R843
33K
R845
10K
R846
C840
Z803
5V1
5K6
GND1
B
103
A
321
R121
R103
Q102
2SA1015GR
R105
R107
220
Q202
2SA1015GR
R207
220
R303
Q302
2SA1015GR
R307
220
Q105
2SC1845E
R106
68 1% RMF
Q205
2SC1845
68 1% RMF
Q305
2SC1845
68 1% RMF
2SC1845
R104
100 1% RMF
2SA1015GR
Q103
2SA1015GR
R110
680 1% RMF
C105
220u/16V
R108
8K2
R109
22K
Q107
2SC1845E
R204
100 1% RMF
2SA1015GR
Q203
2SA1015GR
R210
6801% RMF
R206
R306
Q307
Q207
2SC1845
R304
100 1% RMF
Q303
2SA1015GR
R308
8K2
R309
22K
R208
8K2
R209
22K
R310
680 1% RMF
C205
220u/16V
Q308
2SA1015GR
220u/16V
100 1% RMF
C103
D
R101
680
Q101
RN1241
FMU
C
P107B
FL
10
9
8
CEN
7
SL
6
5
4
3
FMU
2
CMU
1
SMU
P10
B
A
R201
680
Q201
RN1241
CMU
R301
680
Q301
RN1241
SMU
1 2 3 4
47u/50V
Q104
C101
2SC1845E
10u/35V
C102
R102
471
WIMA
22K1% RMF
GND2a
C201
10u/35V
C202
R202
471
22K1% RMF
WIMA
GND2b
C301
10u/35V
C302
R302
471
22K 1% RMF
WIMA
GND2c
68 1% RMF
GND1
Q106
2SC1845E Q112
C104
47u/63V
R203
100 1% RMF
C203
47u/50V
Q204
2SC1845
R205
68 1% RMF
Q206
GND1
2SC1845
C204
47u/63V
100 1% RMF
C303
47u/50V
Q304
2SC1845
R305
68 1% RMF
GND1
Q306
2SC1845
C304
47u/63V
Q108
C106
10u/50V
Q208
10u/50V
C305
C306
10u/50V
C206
R111
1K
Q109
2SA949
R112
22K 1% RMF
R211
1K
Q209
2SA949
R212
22K 1% RMF
R311
1K
Q309
2SA949
R312
22K 1% RMF
R143
22K
R113
12K
Q111
2SC1845E
R243
22k
R213
12K
2SC1845
R343
22k
R313
12K
Q311
2SC1845
R114
1K
Q110
2SA949
C107
WIMA
101
C121
102
R214
1K
Q210
2SA949
C207
WIMA
101
C231
102
Q211
R314
1K
Q310
2SA949
C307
WIMA
101
C341
102
10/1W
R115
27
R12015D101
R118
2K2
Q113
R119
2SC3421
560
C108
10u/50V
R116
22K
VR101
470
2SC2229
R117
R122
82
10/1W
R221
10/1W
R215
27
R220
15
R218
2K2
Q213
R219
2SC3421
560
C208
10u/50V
R216
22K
VR201
470
Q212
2SC2229
R217
R222
82
10/1W
10/1W
R321
R315
27
R320
15
R318
2K2
Q313
R319
2SC3421
560
C308
R316
10u/50V
22K
VR301
470
Q312
2SC2229
R317
82
R322
10/1W
R123
1N4148
Q114
2SC1845
Q115
2SA1015GR
D102
1N4148
R124
R223
D201
1N4148
Q214
2SC1845
Q215
2SA1015GR
D202
1N4148
R224
R323
1N4148
Q314
2SC1845
2SA1015GR
D302
1N4148
R324
R125
8K2/0.25W
R133
R130
8K2/0.25W
R225
8K2/0.25W
8K2/0.25W
R325
8K2/0.25W
R330
8K2/0.25W
2K2
R126
C109
8K2
4.7u/50V
R127
R131
Z101
220
1K
27V
R128
R132
Z102
220
1K
27V
C110
R129
4.7u/50V
8K2
R134
2K2
R233
2K2
R226
C209
8K2
4.7u/50V
R227
R231
Z201
220
1K
27V
R228
R232
Z202
220
1K
27V
C210
R229
4.7u/50V
8K2
R234
2K2
R230
R333
2K2
R326
C309
8K2
4.7u/50V
R327
R331
Z301
220
1K
27V
R328
Z302
R332
220
27V
1K
C310
R329
4.7u/50V
8K2
R334
2K2
82
82
82
82
82
D301
Q315
82
10u/50V
10u/50V
C311
C111
10u/50V
A1930
Q116
C5171
R135
560
R137
100/1W
P101
P2
R145
10K
R136
560
2SA1987
Q117
A1930
Q216
C5171
R235
560
C211
R237
100/1W
P201
P2
R245
R236
560
Q217
A1930
Q316
C5171
R335
560
R337
100/1W
P301
P2
R345
10K
R336
560
2SA1987
Q317
10K
2SA1987
Q319
D103
1N4004
Q118
2SC5359
R139
2K7
R138/A
R144
0.22/5W
10K
R140
R138/B
470
0.22/5W
Q119
D104
1N4004
D203
1N4004
Q218
2SC5359
R239
2K7
R244
R238/A
10K
0.22/5W
R240
R238/B
0.22/5W
Q219
D204
1N4004
D303
1N4004
Q318
2SC5359
R339
2K7
R338/A
R344
0.22/5W
10K
R340
470
R338/B
0.22/5W
R141
33K
Q120
2SC1845
C112
332
R241
33K
Q220
2SC1845
C212
470
332
R341
33K
Q320
2SC1845
C312
332
C810
220u/63V
GND1
C811
220u/63V
R342
R142
R242
22K
22K
C838
220u/25V
A & R cambridge ltd
MODEL: AVR300
1N4004
D304
AMP2 SCH
DWN.BY: SZ Lin
APP.BY:
Page 28
4
D
P109A
+V
1
GND3 = F ilter
2
-V
3
BSRO
4
FRO
5
SRO
6
7
8
8P
GND4
P108B
1
SEN1
2
SEN2
3
V_DET
4
CU_DET
5
PORT
6
TO AMP1
P104A
1
2
3
4
5
6
7
8
9
10
TO MAIN BOARD
C801
100u/16V
Q802
2SA772
Q812
C114
LE101
GRE_LED
100u/16V
A1015
Q809
R187
4K7
R823
C813
20K
100u/10V
1K4
R804
R804A
20K
R802
4K7
D801
1N4148
R803
R806
4K7
4K7
Q801
C123
C803
C802
100u/16V
Q803
C123
R822
1K
GND
+20V
BSMU
SMU
FMU
CMU
3
R805
1K4
R805A
20K
SEN1
D804
1N4148
C808
100u/16V
SEN2
R821
4K7
C
R188
33K
Q810
C114
SE801
1
2
SENSOR
B
A
SHEET 11 OF 13
ISSUE: M1
DATE:06/APR/2004
DATE:
0.22/5W
2SC5359
0.22/5W
R538/B
0.22/5W
2SC5359
R638/A
0.22/5W
R638/B
0.22/5W
0.22/5W
R738/B
0.22/5W
2SC5359
R438/A
0.22/5W
R438/B
R538/A
2SC5359
R738/A
321
D403
1N4004
Q418
1N4004
D503
1N4004
Q518
D504
1N4004
1N4004
Q618
D604
1N4004
D703
1N4004
Q718
R441
33K
Q420
2SC1845
R439
2K7
C806
C807
GND3
220u/63V
220u/63V
C412
R440
332
470
D404
R541
33K
Q520
2SC1845
R539
2K7
R540
C512
332
470
D603
R641
33K
Q620
2SC1845
R639
2K7
C612
R640
332
470
R741
33K
Q720
2SC1845
R739
2K7
BSLO
C712
R740
332
470
R642
22K
D805
1N4004
D803
1N4004
LE102
GRE_LED
1N4004
D802
R807
300R/0.25W
2.2/0.25W
R820
R819
2.2/0.25W
R809
10K
C809
100u/16V
Z801
12V
Q806
C123
R811
10K
MODEL: AVR300
R442
R542
R742
22K
22K
22K
Z804
R818
3V3
200
U801
1
Vin
+5V6
GND
78M56
2
D806
1N4148
D807
Q804
1N4148
C123
D808
1N4148
Q805
C123
R801
10k
R808
10K
R810
10k
Q811
C114
A & R cambridge ltd
AMP1 SCH
D704
1N4004
DWN.BY: SZ Lin
APP.BY:
R403
R404
100 1% RMF
100 1% RMF
Q403
Q402
2SA1015GR
2SA1015GR
C403
47u/50V
Q404
Q405
2SC1845
C401
R401
10u/35V
680
Q401
D
C
P104A1
FR
1
FR
2
3
SR
SR
4
BSR
5
BSR
6
7
BSL
BSL
8
P8
P106A
1
FL
2
3
CEN
4
5
SL
6
P6
B
P107A
1
FL
2
3
CEN
4
5
SL
6
7
8
FMU
9
CMU
10
SMU
TO AMP1
A
RN1241
FMU
C402
R402
471
22K1% RMF
WIMA
GND4a
GND3
C503
47u/50V
C501
R501
10u/35V
680
Q501
RN1241
C502
SMU
Q601
RN1241
Q701
RN1241
BSMU
1 2 3 4
R502
471
WIMA
22K1% RMF
GND4b
GND3
C603
47u/50V
C601
R601
10u/35V
680
C602
R602
471
WIMA
22K 1% RMF
GND4c
GND3
C703
47u/50V
C701
R701
10u/35V
680
C702
R702
471
22K 1% RMF
WIMA
GND4d
GND3
2SC1845
47u/63V
Q604
2SC1845
2SC1845
2SC1845
R410
680 1% RMF
R405
R406
68 1% RMF
68 1% RMF
R407
R503
2SA1015GR
R505
Q506
R507
R603
2SA1015GR
R605
Q606
R703
2SA1015GR
R705
Q706
R408
8K2
R409
22K
220
Q407
2SC1845
R504
100 1% RMF
Q502
Q503
2SA1015GR
Q505
R510
2SC1845
680 1%$ RMF
R506
68 1% RMF
R508
8K2
R509
22K
Q507
2SC1845
220
R604
100 1% RMF
Q603
Q602
2SA1015GR
Q605
R610
2SC1845
680 1% RMF
R606
68 1% RMF
R608
8K2
R609
22K
Q607
2SC1845
R607
220
R704
100 1% RMF
Q703
Q702
2SA1015GR
Q705
2SC1845
R710
680 1% RMF
R706
68 1% RMF
R708
8K2
R709
22K
R707
Q707
220
2SC1845
Q406
2SC1845
C404
47u/63V
100 1% RMF
Q504
68 1% RMF
2SC1845
C504
100 1% RMF
68 1% RMF
2SC1845
C604
47u/63V
100 1% RMF
Q704
68 1% RMF
2SC1845
C704
47u/63V
Q408
2SA1015GR
C405
220u/16V
C406
10u/50V
2SA1015GR
C505
220u/16V
10u/50V
Q608
2SA1015GR
C605
220u/16V
10u/50V
2SA1015GR
C705
220u/16V
10u/50V
R414
1K
R411
1K
Q409
2SA940
Q410
2SA949
C407
R412
WIMA
101
22K 1% RMF
R443
C441
102
22K
R413
12K
Q411
2SC1845
R514
1K
Q508
R511
1K
Q509
2SA949
Q510
2SA949
C507
WIMA
R512
101
22K 1% RMF
C541
R543
102
22K
R513
12K
C506
C606
Q708
C706
R611
2SA940
R612
22K 1% RMF
R711
1K
Q709
2SA949
R712
22K 1% RMF
Q511
2SC1845
R614
1K
1K
Q609
Q610
2SA949
C607
WIMA
101
R643
C641
22K
102
R613
12K
Q611
2SC1845
R714
1K
Q710
2SA949
C707
WIMA
101
C741
R743
102
22K
R713
12K
Q711
2SC1845
R621
R415
27
R418
2K2
R419
560
R416
22K
VR401
470
Q412
2SC2229
R417
82
R515
27
R518
2K2
R519
560
R516
22K
VR501
470
Q512
2SC2229
R517
82
R615
27
R618
2K2
R619
560
R616
22K
VR601
470
Q612
2SC2229
R617
82
R715
27
R718
2K2
R719
560
R716
22K
VR701
470
Q712
2SC2229
R717
82
2SC3421
2SC3421
10u/50V
2SC3421
10u/50V
10u/50V
2SC3421
10u/50V
C708
R425
10/1W
8K2/0.25W
R433
R423
R420
1N4148
15
Q414
2SC1845
Q413
C408
Q415
2SA1015GR
D402
1N4148
R424
R422
10/1W
R521
10/1W
1N4148
R520
15
2SC1845
Q513
C508
Q515
2SA1015GR
1N4148
R522
10/1W
R621
10/1W
1N4148
R620
15
Q614
2SC1845
Q613
C608
Q615
2SA1015GR
1N4148
R622
10/1W
R721
10/1W
D701
1N4148
R720
15
Q714
2SC1845
Q713
Q715
2SA1015GR
D702
1N4148
R722
10/1W
2K2
82
D401
R426
8K2
C409
4.7u/50V
R427
R431
1K
220
R428
R432
220
1K
C410
R429
4.7u/50V
8K2
82
R430
8K2/0.25W
R525
8K2/0.25W
R533
2K2
R523
82
D501
R526
8K2
C509
4.7u/50V
Q514
R527
R531
220
1K
R528
R532
220
1K
C510
D502
R529
4.7u/50V
8K2
R524
82
R530
8K2/0.25W
R625
8K2/0.25W
R623
82
D601
R626
8K2
C609
4.7u/50V
R627
R631
1K
220
R628
R632
220
1K
C610
D602
R629
4.7u/50V
8K2
R624
82
R630
8K2/0.25W
R725
8K2/0.25W
R723
82
R726
8K2
C709
4.7u/50V
R727
R731
220
1K
R728
R732
220
1K
C710
R729
4.7u/50V
8K2
R724
82
R730
8K2/0.25W
Q416
C5171
560
R435
C411
10u/50V
R437
R444
100/1W
Z401
27V
Z402
27V
R434
2K2
Z501
27V
Z502
27V
R534
2K2
R633
2K2
Z601
27V
Z602
27V
R634
2K2
R733
2K2
Z701
27V
Z702
27V
R734
2K2
10K
P401
P2
R445
10K
R436
560
Q419
2SA1987
Q417
A1930
Q516
C5171
R535
560
C511
10u/50V
R537
R544
100/1W
10K
P501
P2
R545
10K
R536
560
Q519
2SA1987
Q517
A1930
Q616
C5171
R635
560
C611
10u/50V
R637
R644
10K
100/1W
P601
P2
R645
10K
R636
560
Q619
2SA1987
Q617
A1930
Q716
C5171
R735
560
C711
10u/50V
R737
R744
100/1W
10K
P701
P2
R745
10K
R736
560
Q719
2SA1987
Q717
A1930
Page 29
PSU BOARD
D871
1N4002
D873
1N4002
4
C871
220u/25V
From Pmain Board P804A
10
+13V
POWER
+20V
4/8_ES
SW870
4 OHM OR 8 OHM
SHEET 12 OF13
ISSUE: M1
DATE:06/APR/2004
DATE:
D
C
P804B
9
8
7
6
5
4
3
2
1
B
A
321
GND_FL
GND_FL_1
GND_SL
GND_SL_1
GND_C
GND_C_1
GND1
GND2
R827
10/1W
C831
104/160V
10/1W
C833
104/160V
R830
10/1W
C834
104/160V
R832
10/1W
104/160V
H_L
H_R
R828
10/1W
C832
104/160V
GND_FR_1
GND_FL_1
R829
R831
10/1W
C835
104/160V
GND_SR_1
GND_SL_1
R833
10/1W
C837
C836
104/160V
GND_BSR_1
GND_FR
C821
C823
GND_FR_1
GND_SR
GND_SR_1
GND_BSR
GND_BSR_1
GND_BSL
GND_BSL_1
GND3
GND4
Common
Audio
0188
TRANSFORMER 120/230V TOROID
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
10000u/63V
10000u/63V
GND4
GND3
GND2
GND1GND_C_1
Primary voltage: 230V/120V 50/60Hz
Rated continuous output power: 600VA
1
From PSU board P870
230V
3
120V
2
2
N
1
3
4
H_R
H_L
390/1W
R851
390/1W
P870
R852
GND
BSLO
SRO
FRO
BSRO
-V
GND
+V
CENO
FLO
SLO
GND
-V
GND
+V
+13V
POWER
+20V
4/8_SE
+20V
+13V
POWER
RE3
RE2
NC
P103B
From Amp1 Board P109A
1
2
3
4
5
6
7
8
P105B
From Amp2 boaed P102A
1
2
3
4
5
6
7
8
P804A
TO PSU BOARD P804B
1
2
3
4
5
6
7
8
9
10
P803A
TO Main board P803B
1
2
3
4
5
6
7
8
P806A
FROM HPO BOARD P806A
1
2
3
4
Power SW BOARD
SW803
Power SW
(TV-8 10A 250V
UL/CSA/VDE)
From PSU Board P870A
JK101
AC INPUT SOCKET
L
AGND
N
Model NO: IS-7014
15A 250V for UL & CSA
10A 250V for European
R873
3.3M/0.5W
P870
TO TRANSFORMER
3
230V
2
120V
N
1
HEADPHONE
P806A
TO PMAIN BOARD P806A
4
3
2
1
C870
103/400V
1
2
P870B
P870A
TO SW BOARD P870B
1
2
230V/115V SELECT SW
SK-22D01-SG6-T-MS-IK
F871
Fuse T8A 250V UL
F870
FuseT12.5A 250V UR
NTC1
NTC SG405 30A 1 ohm
C1
102
SW COMAX
C2
102
SW871
P875A
1
2
P2
1
2
P874A
P2
P874
P2
1
2
C872
103/400V
P875
P2
230V
1
2
120V
T870
TRANS5 EI-3 5
RE870
RELAY TRA2-L-12VDC-S-H
Q901
C9014
470u/10V
R872
2R2 1/2W
C873
D870
1N4002
104
C874
D872
1N4002
D905
1N4002
R871
4K7
R870
3K
NOTE: The compoment marked with can't be changed.
RE880
JA1
A & R cambridge ltd
3
2
1
P300A
TO MAIN BOARD
1
2
P807A
TO KEY BOARD
MODEL: AVR300
P_MAIN&PSU BOARD SCH
DWN.BY: SZ Lin
D880
1N4148
Q880
C123
APP.BY:
FR_OUT
OP2
C875
104
FL_OUT
C_OUT
C876
104
SP802
C877
104
D
SR_OUT
C878
SL_OUT
104
C879
104
BSR_OUT
C880
BSL_OUT
104
C881
104
AC-36V
AC-29V
AC-36V
AC-29V
N801
AC36V
N802
AC29V
N806
AC36
N805
AC29V
P120A
TO MAIN BOARD P120
AC14V
12
0V
11
AC14V
10
AC8.5V
9
0V
8
AC8.5V
7
AC5.2V
6
0V
5
AC8.5V
4
0V
3
AC16V
2
0V
1
C
B
A
L801
2.2uH
OP2
R820
C825
10/1W
102
GND_FR
L802
10uH
C824
102
R821
10/1W
GND_FL
L803
2.2uH
R822
10/1W
C826
102
GND_C
OP2
L804
2.2uH
R823
C827
102
10/1W
GND_SR
L805
2.2uH
OP2
R824
10/1W
C828
102
GND_SL
L806
OP2
2.2uH
R825
10/1W
C829
102
GND_BSR
L807
2.2uH
OP2
R826
10/1W
C830
102
GND_BSL
RE805
RELAY 24V 30A DC 2P1T-6P
BR801
BRIDGE2
1
C852
104
GND-AC-1
GND-AC-2
AC
2
AC
BRIDGE RECTIFIER
400V 35A
N803
N804
RE806
RELAY 24V 30A
DC 2P1T-6P
1 2 3 4
RE801
D810
Q822
1N4004
C123
RE802
RE803
Q823
D811
C123
1N4004
RE804
Q824
D812
C123
1N4004
GND_BSL_1
C820
10000u/63V
3
+
4
-
C822
10000u/63V
Page 30
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