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Sony RA-3B Service Manual Page 41

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A BOARD SCHEMATIC DIAGRAM (2 OF 3)
1
|
2
|
3
|
4
|
5
|
6
A
D FOCUS
C810
0.1
C811
25V
47
FB805
D+5V
F:1608
25V
BLM21A102SPT
C813
C821
47
47
B
25V
25V
C820
C812
0.1
0.1
25V
25V
F:1608
F:1608
R859
22k
:CHIP
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
C
C825
0.1
25V
61
TEST6
DAVSS
40
F:1608
62
TEST7
DAVDD
39
R878
1.2
63
TEST8
DAOUT
38
1k
:CHIP
C824
3.2
64
TEST9
DAREF
37
0.1
16V
R877
3.1
27k
:RN-CP
65
TEST10
R2
36
1.2
R876
4.7k
66
TEST11
R1
35
2.0
67
TEST12
VCOIN
34
IC803
68
TEST13
CM0006CF
PLLVSS
33
2.8
DIGITAL-REGI
R864
69
TEST14
PDOUT
32
6.2k
D
:RN-CP
F:1608
70
TEST15
PLLVDD
31
8C
h
2.4
R875
0
:CHIP
71
TEST16
TEST5
30
2.2
R879
0
:CHIP
TO (1/3)
72
TEST17
TEST4
29
R874
100
:CHIP
2.4
73
TEST18
BCLK
28
R873
100
:CHIP
2.4
74
TEST19
WCLK
27
0.4
R872
100
75
TEST20
HBLK OUT
26
0
R871
100
76
TEST21
9
YSOUT
25
77
TEST22
YMOUT
24
0
R869
100
:CHIP
78
TEST23
BOUT
23
0
R868
100
E
79
TEST24
7
8
GOUT
22
0
R867
100
80
TEST25
ROUT
21
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
R854
100
R856
:CHIP
220
:CHIP
FB808
HM601
F
R829
R832
10k
10k
C807
:CHIP
:CHIP
0.1
25V
F:1608
C806
47
25V
R805
R808
4.7k
4.7k
:CHIP
:CHIP
G
PSDA
SDA
R863
100
:CHIP
PSCL
SCL
R860
100
:CHIP
C822
8
7
6
5
F:1608
51
50
49
48
47
46
45
44
IC801
H
TC7W66FU(TE12R)
IIC SW
52
O VSHIFT
1
2
3
4
53
O HSHIFT
54
R843
100
:CHIP
0.1
55
O KUMUPRT
56
O AREG SW
57
O AREG RST
CXP86324-PJED
0
PJED-CPU
58
O IIC SW
R840
100
:CHIP
4.8
59
O NVM STOP
60
I
R839
100
:CHIP
4.8
61
O DREGI RST
R838
100
:CHIP
4.8
62
O DREGI MUTE
63
I HP
64
1
2
3
4
5
6
7
8
D+5V
J
R880
1k
:CHIP
D824
K
1SS355
PROT
B INT
REGI MUTE
SENSOR
L
FB812
BLM21A102SPT
LEFT
C814
R814
C805
220p
680k
50V
R806
0.1
:CHIP
470k
CH:1608
25V
C808
:CHIP
C802
F:1608
D816
0.0039
0.0039
50V
1SS355
D817
50V
B:1608
PROT
1SS355
B:1608
PROT
FB811
BLM21A102SPT
UPPER
9V
TO (1/3)
C815
D819
220p
1SS355
50V
PROT
M
CH:1608
8
7
6
5
4
3
2
1
D818
1SS355
PROT
IC802
NJM4558M-TE2
REGI SNSR AMP
D820
1
2
3
4
5
6
7
8
FB810
1SS355
BLM21A102SPT
-5V
PROT
1.6
LOWER
D821
C804
C818
1SS355
0.1
-0.01
220p
50V
CH:1608
PROT
25V
FB809
C809
F:1608
BLM21A102SPT
0.0039
N
50V
RIGHT
B:1608
C803
C819
R811
R813
220p
0.0039
330k
680k
50V
50V
:CHIP
:CHIP
CH:1608
B:1608
D822
D823
1SS355
1SS355
PROT
PROT
C816
0.1
25V
O
F:1608
9V
|
7
|
8
|
9
|
10
|
11
|
C850
47
25V
D+5V
R903
100
:CHIP
R911
C852
100
:CHIP
47
25V
16
15
14
13
12
11
10
9
IC807
BV DAC
1
2
3
4
5
6
7
8
A+5V
A+5V
C851
C845
C848
0.1
C843
0.1
0.1
25V
47
25V
25V
F:1608
25V
F:1608
F:1608
C831
D+5V
47
FB807
D+5V
FB806
C849
25V
HM601
47
25V
HM601
C834
D+5V
0.0022
50V
B:1608
B:1608
R892
:CHIP
6.8k
C858
C856
:RN-CP
47
0.1
25V
25V
C842
F:1608
0.1
2.2
C830
16V
C863
0.1
C833
B:1608
47
FB804
15p
50V
CH:1608
25V
BLM21A102SPT
25V
0.6
C855
220p
50V
B:1608
2.4
2.0
:CHIP
:CHIP
:CHIP
:CHIP
D+5V
D+5V
IC808
TC74HC04AF(EL)
INV
0.6
4.3
0.1
4.8
4.3
0.6
C823
47
25V
R910
R913
R917
100
100
100
:CHIP
:CHIP
0.1
:CHIP
25V
43
42
41
40
39
38
37
36
35
34
33
O R
32
11
I DPJE SVA0
31
I DPJE SVA1
30
I DPJE SVA2
29
R916
1k
:CHIP
I DREG ACK
28
IC805
4.8
R915
1k
:CHIP
I DREG BSY
27
R914
1k
:CHIP
I DREG OVF
26
25
6
A h
24
I DSCAN
23
4.9
I 5060
22
R810
I WIDE
21
0
10
:CHIP
20
I FF
R912
1k
9
10
11
12
13
14
15
16
17
18
19
:CHIP
C862
0.1
16V
B:1608
X801
IC811
12MHz
PST9143NL
AT-49
RESET
NC
VCC
E
R943
470
C832
E
:CHIP
RST
22p
C835
50V
22p
C871
CH:1608
50V
4.7
CH:1608
C869
0.01
R942
25V
4.7k
A0
B:1608
:CHIP
VDD
4.8
A1
WP
0
R936
100
:CHIP
A2
SCLM
.
R935
100
:CHIP
E
SDAM
R937
100
:CHIP
D808
IC810
UDZS-5.6B
ST24E16FM6TR
PROT
EEPROM
R0
AE h
R908
1k
:CHIP
R1
R907
1k
:CHIP
IC814
TC74HC32AF(EL)
OSD MIX
D807
UDZS-5.6B
0
PROT
ED-R
0
0
R926
R925
1.5k
560
0
:CHIP
0
:CHIP
0
0
ED-G
0
0
0
0
R924
0
D806
1.5k
:CHIP
UDZS-5.6B
PROT
R2
R923
560
:CHIP
R928
R906
2.2k
ED-B
1k
:CHIP
:CHIP
0
0
Q811
2SD601A
R922
ATT
1k
:CHIP
0
Q812
2SD601A
0
ATT
R3
D805
R929
UDZS-5.6B
R905
1k
L816
1k
PROT
:CHIP
L829
:CHIP
:LAV35
-5V
:LAV35
12
|
13
|
14
|
15
|
16
|
17
|
TO (1/3)
R957
100
:CHIP
C888
47
25V
C894
:RN-CP
47
25V
R956
100
:CHIP
:RN-CP
-5V
IC809
16
15
14
13
12
11
10
9
TLC2932IPWR
C866
0.1
16MHZ PLL
25V
A+5V
F:1608
IC817
DVDD
AVDD
C870
RDAC
3.3
C926
0.01
47
SELECT
RBIAS
R939
25V
25V
220
2.0
B:1608
:RN-CP
1
2
3
4
5
6
7
8
VCO
VCO
OUT
IN
R932
R938
2.7k
:RN-CP
220
FIN-A
AGND
:RN-CP
FB801
D+5V
HM601
C865
FIN-B
VCO
C867
0.1
1
INHIBIT
16V
C882
6.3V
C878
PFD
B:1608
B:1608
0.1
PFD
47
OUT
INHIBIT
25V
25V
F:1608
R963
DGND
NC
C893
:RN-CP
C887
0.1
47
25V
25V
F:1608
:RN-CP
R897
1k
:CHIP
D+5V
IC812
TC74HC08AF(EL)
C969
C892
R958
C868
INV
0.1
100
:CHIP
C886
47
0.1
25V
47
25V
25V
25V
F:1608
F:1608
D-GV
0.1
:RN-CP
D-GH
4.8
0.1
R955
R852
100
:CHIP
22k
R898
1k
:CHIP
4.8
4.8
0.1
:CHIP
:RN-CP
2.4
0.1
C801
16
15
14
13
12
11
10
9
0.0012
50V
0.4
B:1608
2.3
4.8
IC816
4.5
4.9
GDAC
R896
1M
1
2
3
4
5
6
7
8
R893
:CHIP
10k
:CHIP
FB802
HM601
C881
C879
47
0.1
25V
25V
F:1608
R961
10k
:RN-CP
C891
C885
0.1
25V
47
25V
F:1608
:RN-CP
C873
C884
C890
47
C864
0.1
C875
47
33p
Q813
25V
25V
25V
47
D+5V
50V
2SD601A
F:1608
25V
CH:1608
YS OR
R954
100
:CHIP
0
R959
R941
R945
D-BV
3.3k
2.2k
:RN-CP
C872
:CHIP
:CHIP
D-BH
0
33p
RE-YS
R953
100
:CHIP
50V
Q806
CH:1608
2SD601A
YM OR
:RN-CP
16
15
14
13
12
11
10
9
R919
0
3.3k
R920
:CHIP
2.2k
:CHIP
0
RE-YM
IC815
B DAC
1
2
3
4
5
6
7
8
FB803
D+5V
HM601
R965
C880
C877
10k
R918
47
0.1
:RN-CP
25V
25V
:RN-CP
F:1608
R960
10k
:RN-CP
C883
47
25V
C889
0.1
25V
F:1608
:RN-CP
C970
0.1
C971
25V
47
D+5V
F:1608
25V
0
Q807
2SD601A
D809
R OR
0
1SS355
RE-R
SLICE
PROT
C876
0.1
25V
R870
10k
F:1608
Q814
:CHIP
2SD601A
4.8
REGI PROT
R891
10k
L802
Q808
0
:CHIP
R951
L804
L803
2SD601A
L809
1.5k
B OR
:LAV35
:CHIP
:LAV35
R861
D810
TP SCL
10k
1SS355
0
R858
:CHIP
SLICE
10k
:CHIP
R950
R952
560
1k
:CHIP
:CHIP
0
RE-B
0
Q809
RE-G
2SD601A
0
G OR
TO (1/3)
— 41 —
18
|
19
|
20
|
21
|
C956
R1001
L828
L835
560
0.0068
:RN-CP
:FLR50
:EL0606
25V
B:1608
C938
R994
C909
C923
5p
0.001
0.0047
30k
50V
:RN-CP
50V
25V
CH:1608
CH:1608
B:1608
5V
R964
-0.5
10k
1.1
-0.5
C962
C968
0.1
47
1.1
-0.5
25V
25V
C910
F:1608
-0.5
R976
R983
5p
10k
50V
30k
:RN-CP
CH:1608
RH
R1015
IC824
0
C917
C932
NJM2068V
:CHIP
1
47
0.1
RH FILTER&BUFF
25V
25V
F:1608
LRCK/WDCK 13
R997
L827
L834
LPSEL/RSI 14
560
:RN-CP
:FLR50
:EL0606
C908
C922
C955
R993
C937
30k
5p
0.001
0.0047
0.0068
:RN-CP
50V
25V
25V
50V
CH:1608
CH:1608
B:1608
B:1608
-0.1
10k
-0.1
1.1
C961
C967
0.1
-0.1
47
1.1
25V
C907
F:1608
25V
-0.1
R974
R982
5p
30k
50V
10k
:RN-CP
CH:1608
RV
R1014
IC823
C931
0
4/8 fs SEL 1
NJM2068V
:CHIP
2
C916
0.1
RV FILTER&BUFF
47
25V
25V
F:1608
5V
D.GND
R996
L826
L833
560
:FLR50
:EL0606
:RN-CP
C906
5p
C921
C936
C954
R991
0.0047
30k
50V
0.001
0.0068
:RN-CP
CH:1608
25V
50V
25V
B:1608
CH:1608
B:1608
R962
-0.2
10k
1.1
-0.2
C960
C966
0.1
47
-0.2
1.1
25V
25V
F:1608
C905
-0.2
R972
5p
R981
10k
30k
50V
:RN-CP
CH:1608
GH
IC822
R1013
C930
NJM2068V
0
3
C915
:CHIP
47
0.1
GH FILTER&BUFF
25V
25V
F:1608
L832
R1000
L825
560
:EL0606
:RN-CP
:FLR50
R989
C904
C920
C935
C953
30k
5p
0.001
0.0047
0.0068
:RN-CP
50V
25V
50V
25V
CH:1608
CH:1608
B:1608
B:1608
0
0
1.1
C959
C965
0.1
47
1.1
0
25V
25V
C903
F:1608
0
R970
R980
5p
10k
50V
30k
:RN-CP
CH:1608
GV
R1012
IC821
0
C914
C929
NJM2068V
:CHIP
4
47
0.1
GV FILTER&BUFF
25V
25V
F:1608
L831
R999
L824
560
:FLR50
:EL0606
:RN-CP
C952
R987
C902
C919
C934
30k
5p
0.001
0.0047
0.0068
25V
:RN-CP
50V
25V
50V
CH:1608
CH:1608
B:1608
B:1608
0.1
10k
0.1
1.1
C958
C964
0.1
0.1
47
1.1
25V
25V
F:1608
R968
0.1
R979
C901
10k
30k
5p
BH
:RN-CP
50V
CH:1608
R1011
IC820
0
C913
C928
NJM2068V
:CHIP
5
0.1
BH FILTER&BUFF
47
25V
25V
F:1608
R998
L823
L830
560
:RN-CP
:FLR50
:EL0606
C933
R985
C900
C918
0.0047
C951
15k
5p
0.001
50V
0.0068
25V
:RN-CP
50V
25V
B:1608
10k
CH:1608
CH:1608
B:1608
0.1
1.1
0.1
C957
C963
0.1
0.1
47
1.1
25V
25V
0.1
F:1608
R966
R978
C899
10k
15k
5p
BV
:RN-CP
50V
CH:1608
IC819
R1010
NJM2068V
0
C912
C927
BV FILTER&BUFF
:CHIP
6
0.1
47
25V
25V
F:1608
4
3
2
1
IC818
NJM4558M-TE2
CENT REF
5
6
7
8
C897
C898
R1003
0.1
33k
220
L843
25V
16V
:RN-CP
F:1608
C911
:LAV35
0.0022
R1002
50V
15k
CH:1608
:RN-CP
L801
(PJED,REGI-CORRECTION)
9-965-907-01<RA3B> A P2
KP- 43T90 / 48V90 / 53V90 / 61V90
A (2/3) BOARD : IC807, 815, 816, 817
µPD6376GS-E2
DIGUTAL
ANALOG
POWER SUPPLY
POWER SUPPLY
SYSTEM
SYSTEM
13
L.REF
MAIN DAC
11
L.OUT
SUB DAC
SI/LSI 15
SUB DAC
CLK 16
6
R.OUT
MAIN DAC
R.REF
2
9
3
4
5
12
7
8
NC
D.V
A.GND
A.V
DD
DD
A (2/3) BOARD WAVEFORMS
1
2
3
4
0.9Vp-p (V)
1.3Vp-p (V)
0.4Vp-p (V)
1.5Vp-p (V)
5
6
7
8
1.2Vp-p (V)
1.6Vp-p (V)
4.6Vp-p (H)
5Vp-p (V)
9
10
11
12MHz
4.6Vp-p (H)
4.3Vp-p (V)
430mVp-p (V)

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