Sony DSR-20MD Service Manual page 68

DSR-20MD/20MDP
VA-102 (HI MICOM) SCHEMATIC DIAGRAM
1 2 3 4
VA-102 BOARD (11/12)
HI MICOM
-REF.NO.:1,000 SERIES-
A
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
SW_5V
UNSW_14V
24-1
B
24-2
UNSW_6V
B.UP_5V
D_5V
C
VA-102 BOARD 24
(10/12)
24-3
(SEE PAGE 4-82)
D
GND
E
5V
24-4
24-5
F
G
H
I
J
K
CM14
15-1
L
CM50
15-2
CM49
15-3
VA-102 BOARD 15
CM15
(7/12)
15-4
(SEE PAGE 4-76)
CM30
15-5
M
CM63
15-6
05
HI MICOM
VA-102 (11/12)
• See page 4-59 for VA-102 printed wiring board.
5 6 7 8
CL936
R942
82k
R979 R941
82k 1k
8
0
0.6
S852
XX
Q854
2SC4081T106R
C915 1
0.01u
B
C877
0.022u
IC858
B
C897
C888
0.1u
10u
F
16V
R950
10k
CM27
VA3
R958
R968
VA5 10k 22
5.6 0.5
FB851
14 13 12 11 10 9 8
FB852
FB853
IC861
D862
MA3075WA-(TX)
1 2 3 4 5 6 7
CM23
C889 C891
0.1u R946
0.047u
F 2700
B
R924 R930
10k VA6 0
R931
0
VA1
TC74HC4053AFT(EL)
IC853
R932
0
5.4 VA4
R933
VA1 0 0.5 CM2 CM63 0
CM1 0.6 0 VA4
R934
IC853
0
VA3 0.6 0.5 VA5 CM21
0.3 CM24
R935
0
0.3 R928 CM44
0
VA6
0.3
R936
0
CM45
R937
C864
CM20 0
0.1u
F
R938
0
CM46
R998
0
CM6
R999
CM7 0
4-83
9 1 0 1 1 1 2
D855
MA738-TX
D867
R944 D856
MA738-TX
470k MA729-(K8).SO
L854
10uH
C896
C894
100u
0.1u
6.3V
F
7 6 5 C881 C883
1000u 0.1u
6.3V F
0.1
Q852
UN5213-TX
3.5
2 3 4
IC863
5.0
PQ05TZ1U
6
IC863
5 4 3 2 1
C890 C893
0.1u 100u C898 C900
6.3V 47u
F 0.1u
16V
R951
D861
330
MA3062H-TX
IC862
L79M05T-FA-TL R957
3300
IC862
-8.3
CL922
-5.0
J853
-5.0
Q853
3 2 1
LANC
2SD2185S-TX
-5.0
D859
MA111-TX -9.1
C892
C895 C899
0.1u
100u 47u
F
6.3V 16V
R952
68
D_5V
R953
4.2
68
19-1
19-2
IC864
19-3
19-4
19-5
19 VA-102 BOARD
R948 R955
19-6
(12/12) 68 68
(SEE PAGE 4-86)
19-7
R949 R956
68 68
19-8
19-9
19-10
19-11
GND
1 3 1 4 1 5 1 6
CL943
R1036
4700
C922
0.022u
R1035
100K
R1034
270K
CN852 8P
CL926
1 POWER CONT
CL927
2 UNSW_6V
3 DC_12V
CL929
4 UNSW_3.1V
U-2 BOARD
5 GND
CN12
(SEE PAGE 4-118)
6 GND
CL932
7 UNSW_-9V
8 UNSW_14V
CL933
UNSW_3.1V
1 VA-102 BOARD
(1/12)
GND
(SEE PAGE 4-63)
L856
4.7uH
VIDEO_5V
C906
0.1u
F
F
11 VA-102 BOARD
GND (3/12, 5/12, 7/12)
(SEE PAGE 4-68, 71, 76)
C907
0.1u
L857 F
4.7uH
VIDEO_-5V
L858
4.7uH
AUDIO_5V
C901
0.1u
F C908
0.1u
F
R961
VA-102 BOARD
0 17
(8/12, 9/12)
AUDIO_GND
(SEE PAGE 4-78, 80)
C909
0.1u
F
L855
4.7uH
AUDIO_-5V
UNSW_6V
A.+4V
IC864 R959
TL431CPS-E20 6800
2.5
C910
2.2u 18 VA-102 BOARD
(9/12)
B
R960
(SEE PAGE 4-80)
10k
D863
RD6.2FM-T1
A.-4V
4-84
1 7