Arcam Diva AVR250 Service Manual page 31

AVR250
SURROUND SOUND RECEIVER
OSD
C869
2.2u/50V
C868
SV805A 2.2u/50V
C Y
VCR2 IN
R872 R873
82 82
C867
2.2u/50V
C866
2.2u/50V
C Y
SV804A
VCR1IN
R870 R871
82 82
GND C865
2.2u/50V
C864
2.2u/50V
SV803A C Y
AV IN
R868 R869
82 82
C863
2.2u/50V
C862
2.2u/50V
SV802A C Y
SAT IN
R866
R867
82 82
C861
2.2u/50V
C860
2.2u/50V
C Y
SV801A
DVD IN
R864 R865
82 82
GND
+5V
C947 C890
47u/16V 103
C880
2.2u/50V
GND
16
VA805B
15
VCR2_IN C902 CT_A
14
2.2u/50V
R878
GND C881
13
82 2.2u/50V
12
VA804B
11
VCR1_IN
CT_B
C903
10
R877 2.2u/50V
GND C882
82 9
2.2u/50V CT_C
VA803B
AV_IN
CT_D
C904
2.2u/50V
GND R876 C883 CT_E
82
2.2u/50V
VA802B
SAT_IN
C905
2.2u/50V
GND R875 C884
82 2.2u/50V
VA801B
DVD_IN
R874 C906
GND
2.2u/50V
82
+5V
16
15
C948 C891 ZV1
2.2u/50V 103 14
13
GND 12
11
ZV2
10
9
GND
R842
75
+5V
ZV5
C848 R843
R849
V_DIRE 223 75 D807 R850
0
1N4148 10K
Yout2V
2u2/16V
Q812
GND D808
A933
ZV4
1N4148
V_MU
-5V
C850
+5V R848 2.2u/50V
YUVDET
33K
GND
R839
2K2
P801A PIN10
GND
TO C_VIDEO BOARD
U814
BA7623F
1
G
GND 2
3
4
L803
100uH
GND
C821
103 WIMA U805
1
U808 BIAS
1 16
Mout IN1 C822
2 15 2
GND GND CTLA CT_A VRT
L804
3 14 C823
IN5 Vout1 +5V +5V
100uH 103 WIMA
103
4 13 3
GND GND Vcc VDD1
5 12
IN4 IN2 C893 C824
C898
C827
6 11 103 47u/16V 4
CTLE CTLB TESTI1
1000u/6.3V
7 10
IN3 Vout2
103 WIMA
8 9 GND 5
CTLD CTLC VSS2
C830
CT_B
AGND
103 WIMA
BA7625
6
CT_C VRB
CT_D R863
C825
150
CT_E 7
CVBS1V YCIN
0.47u/50V
8
TEST
9
KILLER
10
TESTI2
L802
+5V 100uH AGND
11
VDD3 TESTOUT
U809
C833
1 16 C829
103
Mout IN1 12
10u/16V TEST2
2 15
GND GND CTLA CT_A
3 14
IN5 Vout1 +5V L805 13
VDD2
4 13 +5V DGND
100uH
GND GND Vcc
5 12
IN4 IN2 C896 C897 14
TESTI3
6 11 103 47u/16V C831
C828
CTLE CTLB
103 DGND TC90A69
7 10 10u/16V
IN3 Vout2
8 9 GND
CTLD CTLC
CT_B DGND
BA7625
CT_C
CT_D
CT_E
SYC2V
R935
75
U815
1 8
G R934
75
GND 2 7
3 6
C935
R933
470u/10V
75 YCMIX
4 5
VCC
BA7623F +5V
C943
C909
47u/16V
103
GND
C878
U817 R921
470u/10V C853
75
1 8
G
U812 BA7625
1 GND 2 7 2.2u/50V
IN1 Mout
R922
2
C852
CTLA GND GND 3 6 75
2.2u/50V
3
Vout1 IN5
4 5
4 VCC
Vcc GND GND
5 +5V GND
IN2 IN4 BA7623F
6 C838
CTLB CTLE
470u/16V
7
Vout2 IN3 C944 C908
8 103 47u/16V
CTLC CTLD
GND
+5V
R949
10K
SDET
R914
+5V
1K
U818
1
IN1 Mout Z2UV
2
CTLA GND R909
3 YUVDET
Vout1 IN5
4 GND 10K
Vcc GND GND
5
IN2 IN4
6
CTLB CTLE ZV3
7
Vout2 IN3
8 R811
CTLC CTLD GND
RGB_8V
BA7625
7K5
+5V
SDET
R840 D802 R841
C849 75 1N4148 4K7
C845
YUV IN H/Other L 10u/16V
Q809
Q813 D803
C842 A933
YUVDET
A933 223 1N4148 Q810
A933
D811 SYC2V
R9012
1N4148
12K C844
R838 V-MU form MCU
33K
2.2u/50V
D810
C843
1N4148
223
R9016
R9015
R937
7K5 7K5
2K2
C851
223 RGB-8V
GND
Q9012
D1468
V_DIRE
Q9013 R9014
C114 15K
GND
8 C927
R924
10u/16V
75
7
6 C928
R923
470u/10V
75
5
VCC
+5V
R925 R926 L813
+10V
75 75 100uH
C913
103
C940 R836 R902
C826
103 12K 560R
GND_1 GND 100u/16V
GND GND Q830
C1740
C840
28 C921
VB1
R835 L809
GND 103 Q831
820R 27uH
C1740
103 WIMA
27
COUT
26
VSS1
C916
C917
R834 12pF R832 R833
22pF
R901
25 820R 1.2K 6.8K
YOUT
560R
C836
103 WIMA
24
VB2
C837 L812
AGND
681 WIMA +10V 100uH
23
PD
C834
103 WIMA C930 C901 R896 R900
22
Q829
FIL 100u/16V 103 12K 560R
R831 330 C1740
Q828
21
VSS4 C899 C1740
AGND R904 L808
GND
C835 27uH 47u/16V
+5V 820R
20 103
VDD4
C920 L806
100u/16V
100uH
19 C915 C914
FSC Fsc
22pF 12pF
18 R903
R828 R829 R899
820R
1.2K 6.8K 560R
17
MODE1
AGND
16
SDA O_SD
15
SCL O_CL
L816
100uH
1
22P C801
2
X801
14.318M
22P C802 3
R809
4
CT_B
1K
22P C803
CTLA CTLB VIDEO OUT
5
X802
C805
17.734M
0 0 YUV (IN1) 22P
22P C804 6
0 1 S_VIDEO (IN3)
1 1 VIDEO (IN4) 7
R802 1K 8
O_CS
+5V 47P C806
R803 1K 9
O_DATA
C900 C892 47P C807
47u/16V 103
R804 1K 10
O_CLK
47P C808
GND
R805 1K
11
DGND CT_D
U801
16 1
IN1 Mout
R806 1K
12
15 2 CT_E
CTLA GND
14 3 R837
Vout1 IN5
150R R807 1K
13
13 4 CT_A
Vcc GND C854
2.2u/50V
12 5
IN2 IN4
R808 1K
14
11 6 CT_C
CTLB CTLE
10 7
Vout2 IN3
15
9 8 AGND
CTLC CTLD
BA7625 C809
1u/50V
GND GND
R987
L817
27uH 270R
R846
3K
R988 C847 C846
1K 22p 22p
Q823
C114
AGND AGND AGND
R989
GND
Q824 100R
C114
U816
GND
1 8
G
GND 2 7
Yout2V
Q822
C114 3 6 C929
470u/10V
4 5
VCC
BA7623F
GND
C912
103
Q910
GND
D1468
GND
-5V
RGB from MCU
+5V PAL-DET
V_DIRE
L807
R9011 R845 100uH
+9V ZV5
NF 1K
ZV4
R915
Q837 ZV3
1K
C114
V_MUTE ZV2
R907
R910
10K
10K ZV1
Q839
C114
GND
SDET
Q838 YUVDET
C114
GND
+5V
R830 R801
3K9 1K
GND
P803
P16
AGND AGND
- 30 -
Q832
R898
A933
220R 1/4W GND
C875
R940
10u/16V
33
Q833
C1740
R941
75
R893
R895 +5V
100R Q834
A933
AGND
1K2 R891 R905 C938 C946
1.2K 820R 103 47u/16V
GND
C858
2.2u/50V
U804
16 1 C923
IN1 Mout 2.2u/50V
15 2
CTLA GND
14 3
R897
Q825 Vout1 IN5
C857 C859
220R 1/4W 13 4
A933
2.2u/50V Vcc GND 2.2u/50V
12 5
C924 IN2 IN4
R938
Q826 11 6
RV801 470u/10V
75 CTLB CTLE
C1740
2K 10 7
Vout2 IN3 +5V
9 8
R892 R939 CTLC CTLD
100R 75
Q827 BA7625
GND GND
A933
R894
560 R889 R890 AGND
1.2K 820R
Z2VU
R912
10K
V_DIRE
R911
10K
+5V
SDET
C810 C887
100u/16V 103
D801 C818
GND R821
U810 1N4148 0.47u/50V
2K7
30
VSS VDD
R820 GND
47K
29
X1_IN SYNCDET SYN
C819 30P
28
X1_OUT VCO_O
C817 22P
27 L801 2.2uH L819 3.9uH
HSYNC VCO_I
AGND
26
X2_IN FC
R818
C816
120
25 223
X2_OUT AMP_O AGND
C815
R817 R819
1u/50V
6K8 1K
24
VSYINC AMT
23 C820
CS PD_OUT
682
R816
1K5
22 R9010
SIN VSS
+5V 100
1
AGND Prog-det
R815
21 C813
SCLK SEPC 820K Q801 2
1200P
R814
C1740 R813
C925
220 4K7 3
20 103
SECAM SYNC
4
Q843
C812
1468
19 0.47u/50V PAL-DET
525 CVCR
18
N/P CV_IN R916 R919
1K 3K3
+5V
GND
17 AGND
3.58 VDD2
C814
R9013
474
16
RST CV_OUT 4K7
C811
AGND 100u/16V
LC74763A R810 +5V
100K
C895
3 104
1
2
U823A GND C885
GND
TK15420 C886 R858 104
47P
10K
-5V
R861
R862 2K R860 AGND
1K 4K7
CTLA CTLE VIDEO OUT
0
0
VIDEO(OSD) (IN3)
AGND AGND +5V
1 0 VIDEO DIRECT (IN4)
C937 C945
1
0 S-VIDEO to VIDEO (IN5)
103
47u/16V
R929
0
V_DIRE U811
GND
1
G
16 1 GND 2
IN1 Mout
15 2
CTLA GND 3
14 3
Vout1 IN5
4
13 4
R851 Vcc GND
R928
33 12 5
75
IN2 IN4 BA7623F
11 6
CTLB CTLE
+5V 10 7
C856 Vout2 IN3
9 8
2.2u/50V
CTLC CTLD
R883 R856
75 560 U803
GND BA7625 GND
C855
GND 2.2u/50V
SDET
+5V
ARCAM Sound & Vision.
O_DATA
O_CLK
MODEL: AVR250
O_CS
C932
+9V
L810
1000u Prog-DET
100uH
10V L811 OSD SCH
V_MUTE
100uH
GND
DWN.BY: Xiao Xie
GND
APP.BY:
P802
P10
R824 C873
10u/16V
75
SV807A
C872 VCR2 OUT
R825
470u/10V
75
Y C
C894
+5V
103
GND
U807
C871
R826
10u/16V
4 5
VCC 75
3 6
SV806A
2 7 C870 VCR1 OUT
R827
470u/10V
75
1 8 Y C
G
BA7623F
CTLA CTLE S_VIDEO OUT
GND
0 0 S_VIDEO DIRECT (IN1,IN4)
1 1 S_VIDEO OSD (IN2,IN5)
SCMAIN2VU
SYMAIN2VU
Q805 R822 Q804
U806
D1468 75 D1468
BA7623F
1 8
G C874
470u/10V
GND 2 7
3 6
R887 R888
4 5
3K 3K
VCC GND GND
C876
R823 10u/16V
+5V
75
C910
C941
103
47u/16V Y C
GND
R852 R886
+5V
3K 3K
GND GND
Q803 Q802
R917
D1468 D1468
1K
V-MU
SV808A
MONITOR
GND
Q835
C114
NAND
Q836
C114
GND
P801
1
2
GND
ZONE2_O
+5V
U802 C939
103
8
CS OP Vcc
GND
7
C VID IP OE OP
6
VS OP Rset
5
GND BURST OP
R918
680K C922
103
LM1881
GND
U823C
TK15420
CVBS1V
12K
C933
-5V
470u/10V R930
R8014
75
12K
R931
75 R8015
8
C877
GND R879 VA808B
7
75 MON
6 1000u/10V
R884
5 3K GND
VCC
R913
Q806 Q821
3K
D1468 D1468
+5V V-MU
C911
GND GND
103 VA807B
VCR2_OUT
GND
C934
R932 470u/10V
75 GND
VA806B
VCR1_OUT
R881
C879
75 470u/10V
GND
SHEET 4 OF 13
ISSUE: A
DATE:11/JUN/2004
DATE: