Arcam DiVA AVR300, Service Manual

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AVR300
SURROUND SOUND RECEIVER
- 30 -
OSD
SV804A
VCR1IN
SV805A
VCR2 IN
SV806A
VCR1 OUT
SV807A
VCR2 OUT
MONITOR
SV808A
C876
10u/16V
C874
470u/10V
C873
10u/16V
C872
470u/10V
C871
10u/16V
C870
470u/10V
C869
2.2u/50V
C868
2.2u/50V
C867
2.2u/50V
C866
2.2u/50V
R870
82
R871
82
R872
82
R873
82
GND
SV801A
DVD IN
SV802A
SAT IN
SV803A
AV IN
C865
2.2u/50V
C864
2.2u/50V
C863
2.2u/50V
C862
2.2u/50V
C861
2.2u/50V
C860
2.2u/50V
R864
82
R865
82
R866
82
R867
82
R868
82
R869
82
GND
G
1
2
3
4
VCC
5
6
7
8
U807
BA7623F
G
1
2
3
4
VCC
5
6
7
8
U811
BA7623F
G
1
2
3
4
VCC
5
6
7
8
U806
BA7623F
Mout
1
GND
2
IN5
3
GND
4
IN4
5
CTLE
6
IN3
7
CTLD
8
CTLC
9
Vout2
10
CTLB
11
IN2
12
Vcc
13
Vout1
14
CTLA
15
IN1
16
U809
BA7625
Mout
1
GND
2
IN5
3
GND
4
IN4
5
CTLE
6
IN3
7
CTLD
8
CTLC
9
Vout2
10
CTLB
11
IN2
12
Vcc
13
Vout1
14
CTLA
15
IN1
16
U818
BA7625
Mout
1
GND
2
IN5
3
GND
4
IN4
5
CTLE
6
IN3
7
CTLD
8
CTLC
9
Vout2
10
CTLB
11
IN2
12
Vcc
13
Vout1
14
CTLA
15
IN1
16
U808
BA7625
Mout
1
GND
2
IN5
3
GND
4
IN4
5
CTLE
6
IN3
7
CTLD
8
CTLC
9
Vout2
10
CTLB
11
IN2
12
Vcc
13
Vout1
14
CTLA
15
IN1
16
U812 BA7625
VSS
1
X1_IN
2
X1_OUT
3
HSYNC
4
X2_IN
5
X2_OUT
6
VSYINC
7
CS
8
SIN
9
SCLK
10
SECAM
11
525
12
N/P
13
3.58
14
RST
15
CV_OUT
16
VDD2
17
CV_IN
18
CVCR
19
SYNC
20
SEPC
21
VSS
22
PD_OUT
23
AMT
24
AMP_O
25
FC
26
VCO_I
27
VCO_O
28
SYNCDET
29
VDD
30
U810
LC74763A
X801
14.318M
X802
17.734M
C801 22P
C802 22P
C803 22P
C804 22P
C805
22P
C806 47P
C807 47P
C808 47P
C809
1u/50V
C810
100u/16V
C811
100u/16V
C887
103
C886
47P
C814
474
R802 1K
R803 1K
R804 1K
R805 1K
R806 1K
R807
1K
R808 1K
R809
1K
R810
100K
R916
1K
R919
3K3
R813
4K7
R814
220
R815
820K
R816
1K5
R817
6K8
R818
120
R819
1K
R820
47K
R821
2K7
Q801
C1740
C812
0.47u/50V
C813
1200P
C820
682
C815
1u/50V
C816
223
C817 22P
D801
1N4148
C818
0.47u/50V
SYN
L801 2.2uH
C819 30P
AGND
Y
Y
Y
Y
Y C
C
C
C
C
C
C
C
Y
Y
Y
Q803
D1468
Q805
D1468
R822
75
R823
75
R824
75
R825
75
R826
75
R827
75
GND
VA802B
SAT_IN
VA801B
DVD_IN
GND
GND
VA804B
VCR1_IN
VA803B
AV_IN
GND
GND
VA806B
VCR1_OUT
VA805B
VCR2_IN
GND
GND
VA808B
MON
VA807B
VCR2_OUT
GND
GND
C821
103
C822
103
C823
103
C824
103
C825
0.47u/50V
C827
1000u/6.3V
C920
100u/16V
C828
10u/16V
C829
10u/16V
C830
103
C831
103
C833
103
C834
103
C835
103
C836
103
C837
681
C840
103
R831 330
L802
100uH
L803
100uH
L804
100uH
L805
100uH
O_SD
O_CL
Mout
1
GND
2
IN5
3
GND
4
IN4
5
CTLE
6
IN3
7
CTLD
8
CTLC
9
Vout2
10
CTLB
11
IN2
12
Vcc
13
Vout1
14
CTLA
15
IN1
16
U801
BA7625
C884
2.2u/50V
C883
2.2u/50V
C882
2.2u/50V
C881
2.2u/50V
C880
2.2u/50V
C879
470u/10V
C934
470u/10V
C877
1000u/10V
R874
82
R875
82
R876
82
R877
82
R878
82
R879
75
R932
75
R881
75
Q806
D1468
ZV3
ZV1
ZV2
GND
1 2 3 4 5 6 7 8 9 10
P802
P10
GND
O_CS
O_CLK
O_DATA
+9V
V_MUTE
Prog-DET ZV1
ZV2
ZV3
ZV4
ZV5
GND
Q809
A933
Q810
A933
C842
223
C843
223
C844
2.2u/50V
C845
10u/16V
R838
33K
R937
2K2
R840
75
R841
4K7
D802
1N4148
D803
1N4148
Yout2V
ZV4
ZV5
GND
R842
75
R843
75
GND
R846
3K
V_DIRE
Q812
A933
Q813
A933
C848
223
C851
223
C850
2.2u/50V
C849
2u2/16V
R848
33K
R839
2K2
R849
0
R850
10K
D807
1N4148
D808
1N4148
GND
-5V
R856
560
+5V
GND
CT_C
CT_A
CT_E
CT_D
CT_B
GND
GND
GND
GND
CT_A
CT_B
CT_C
CT_D
CT_E
CT_B
CT_C
CT_A
CT_D
CT_E
GND
GND
CT_E
CT_D
CT_C
CT_B
CT_A
R863
150
BIAS
1
VRT
2
VDD1
3
TESTI1
4
VSS2
5
VRB
6
YCIN
7
TEST
8
KILLER
9
TESTI2
10
VDD3
11
TEST2
12
VDD2
13
TESTI3
14
SCL
15
SDA
16
MODE1
17
TESTOUT
18
FSC
19
VDD4
20
VSS4
21
FIL
22
PD
23
VB2
24
YOUT
25
VSS1
26
COUT
27
VB1
28
U805
TC90A69
DGND
L806
100uH
AGND
AGND
GND_1 GND
V_MU
O_CLK
O_DATA
O_CS
DGND
G
1
2
3
4
VCC
5
6
7
8
U815
BA7623F
GND
C891
103
C890
103
C893
103
C894
103
C896
103
C897
47u/16V
C898
47u/16V
C943
47u/16V
C947
47u/16V
GND
GND
GND
GND
GND
C902
2.2u/50V
C903
2.2u/50V
C904
2.2u/50V
C905
2.2u/50V
C906
2.2u/50V
R883
75
GND GND
V_DIRE
1 2 3 4 5 6 7 8 9 10
P801A PIN10
TO C_VIDEO BOARD
C909
103
+5V
+5V
+5V
+5V
GND
GND
AGND
AGND
+5V
+5V
GND
AGND
AGND
AGND
+5V
GND
+5V
GND
+5V
AGND
DGND
DGND
+5V
+5V
+5V
+5V
C935
470u/10V R933
75
GND
GND
+5V
G
1
2
3
4
VCC
5
6
7
8
U814
BA7623F
C913
103
C927
10u/16V R924
75
C928
470u/10V
R923
75
GND
GND
+5V
R935
75
R934
75
YCMIX
G
1
2
3
4
VCC
5
6
7
8
U817
BA7623F
C908
47u/16V
C944
103
GND
GND
+5V
C878
470u/10V
R921
75
R922
75
GND
C853
2.2u/50V
C852
2.2u/50V C854
2.2u/50V
G
1
2
3
4
VCC
5
6
7
8
U816
BA7623F
C912
103
C929
470u/10V
R928
75
GND
GND
+5V
R929
0
GND
Mout
1
GND
2
IN5
3
GND
4
IN4
5
CTLE
6
IN3
7
CTLD
8
CTLC
9
Vout2
10
CTLB
11
IN2
12
Vcc
13
Vout1
14
CTLA
15
IN1
16
U803
BA7625
C856
2.2u/50V
C855
2.2u/50V
C892
103
C900
47u/16V
GND
+5V
C937
103
C945
47u/16V
GND
+5V
C911
103
GND
+5V
GND
C933
470u/10V R930
75
R931
75
GND
1
2
P801
ZONE2_O
GND
Mout
1
GND
2
IN5
3
GND
4
IN4
5
CTLE
6
IN3
7
CTLD
8
CTLC
9
Vout2
10
CTLB
11
IN2
12
Vcc
13
Vout1
14
CTLA
15
IN1
16
U804
BA7625
C858
2.2u/50V
C857
2.2u/50V
C859
2.2u/50V
C938
103
C946
47u/16V
GND
+5V
R925
75
R926
75
GND GND
C923
2.2u/50V
GND
GND
V-MU
C941
47u/16V
C910
103
GND
+5V
GND
GND GND
V_DIRE
GND GND
GND
Q835
C114
R917
1K
R912
10K
R911
10K
GND
+5V
GND GND
+5V
NAND
Q829
C1740
R903
820R
R904
820R
C915
22pF
L808
27uH
C914
12pF
R828
1.2K
R896
12K
R829
6.8K
C899
47u/16V
Q828
C1740
R899
560R
R900
560R
R889
1.2K
R894
560
Q825
A933
Q826
C1740
Q827
A933
R892
100R
R890
820R
R897
220R 1/4W
+5V
AGND
+10V
L812
100uH
C930
100u/16V
C901
103
GND
Q830
C1740
R834
820R
R835
820R
C917
22pF
L809
27uH
C916
12pF R832
1.2K
R836
12K
R833
6.8K
Q831
C1740
R901
560R
R902
560R
R891
1.2K
R895
1K2
Q832
A933
Q833
C1740
Q834
A933
R893
100R
R905
820R
R898
220R 1/4W
AGND
+10V
L813
100uH
C826
100u/16V
C940
103
GND
C921
103
C924
470u/10V
R938
75
R939
75
AGND
C875
10u/16V
R940
33
R941
75
AGND
CS OP
1
C VID IP
2
VS OP
3
GND
4
BURST OP
5
Rset
6
OE OP
7
Vcc
8
U802
LM1881
RV801
2K
+5V
R918
680K C922
103
GND GND
C925
103
C939
103
GND
Q822
C114
Q823
C114
R914
1K
R949
10K
GND
+5V
+5V
GND
Q824
C114
R845
1K
GND
Q839
C114
Q837
C114
R915
1K
R910
10K
R907
10K
GND
+9V
+5V
GND
Q838
C114
R909
10K
R913
3K
R852
3K
C932
1000u
+5V
PAL-DET
Fsc
SCMAIN2VU
SYMAIN2VU
L810
100uH
L811
100uH
V_DIRE
Q804
D1468
GND
Q802
D1468
GND
Q821
D1468
GND
R884
3K
R886
3K
R887
3K
R888
3K
CTLA VIDEO OUT
0
1 VIDEO(OSD) (IN3)
VIDEO DIRECT (IN4)
CTLB CTLA VIDEO OUT
0 0
0 1
1 1
YUV (IN1)
S_VIDEO (IN3)
VIDEO (IN4)
CTLE CTLA S_VIDEO OUT
0 0
1 1
S_VIDEO DIRECT (IN1,IN4)
S_VIDEO OSD (IN2,IN5)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
P803
P16
GND
-5V
Prog-det
R9010
100
C948
2.2u/50V
WIMA
WIMA
WIMA
WIMA
WIMA
WIMA
WIMA
WIMA
C838
470u/16V
L807
100uH
+5V
R851
33
3
2
1
U823A
TK15420 R858
10K
R861
2K R860
4K7
R862
1K
AGND AGND
R987
270R
L817
27uH
C846
22p
C847
22p
R988
1K
AGND AGND AGND
R989
100R
YUVDET
R837
150R
R830
3K9
R801
1K
AGND AGND
8
4
U823C
TK15420
-5V
+5V
C885
104
C895
104
GND
CTLE
0
0
1 0
S-VIDEO to VIDEO (IN5)
V-MU
12K
R8014
12K
R8015
-5V
YUVDET
YUV IN H/Other L
YUVDET
Q910
D1468
R811
7K5
RGB_8V
GND
SDET
Q9012
D1468
RGB-8V
R9016
7K5
SDET
SDET
SYC2V
V-MU form MCU
CVBS1V
SDET
Z2VU
SYC2V
V_MUTE
SDET
YUVDET
RGB from MCU
CVBS1V
Yout2V
PAL-DET
Q836
C114
Z2UV
Q9013
C114
R9015
7K5
GND
R9014
15K
V_DIRE
R9011
NF
10V
L819 3.9uH
L816
100uH
D810
1N4148
D811
1N4148
R9012
12K
Q843
1468
AGND
R9013
4K7