Sony DSR-20MD Service Manual page 52

DSR-20MD/20MDP
JC-19 (DIGITAL AUDIO) SCHEMATIC DIAGRAM
A
B
C
D
E
F
G
H
I
J
K
L
DIGITAL AUDIO
JC-19 (17/18)
• See page 4-15 for JC-19 printed wiring board.
• See page 4-121 for waveforms.
1 2 3 4
JC-19 BOARD (17/18)
DIGITAL AUDIO
-REF.NO.:2,000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
J_3.1V
42-1
42-2
42-3
IC908
TC7W08FU(TE12R)
IC908
3.1
42-4
3.1
42
TO JC-19 BOARD (16/18)
42-5
(SEE PAGE 4-50)
42-6
42-7
42-8
42-9
42-10
42-11
GND
42-12
42-13
42-14
05
4-51
5 6 7 8
R943
0
(NOT USED)
L904
10uH
R944
10k R923
150
3.1
3.1
3.1
3.1
R921
15k
IC802
TLV431ACDBV2
1.2 2.8
R920
10k
IC802
C917
4.7u
3.1
3.1
CL911 2.8
3.1
9 1 0 1 1
C906
47u C924
R957 Q902
6.3V 0.1u
2SC4081T106R
B 56k F
C932
R965 R967
10k 10k 0.6 100p
B
0
R980
47k
C941
1u
B
IC915
TC4W53FU(TE12R)
1.8
C942
0.1u
B
0.1
R981
R982
1k
10k
IC915
Q903
UN5213-TX
0.1
1.8
3.0
5
R968
R969
47k 47k
R5/P2.8
R0
R960
P1.8 CL852
47k
IC914
R962
TLV2231CDBV2 D902
1k
KV1470TL1-3
R950
1k R972
47k
IC914
C916
R951
47p
1k
CH
C927
C933 3p CJ
1000p
R971
220
3 1
4 6
R952
1k L905
C919
1000p
C920 R976 100k
1000p
C921
1000p R973
0
C936
100p
CH
3.1
44 43 42 41 40 39 38 37 36 35 34
C935
0.1u
3.1
56
59
1.6
IC911
CXD2913Q
58 1.5
IC911
3.1
1.6
R974
57 1.6
27k
3.1
C937
1000p
0
12 13 14 15 16 17 18 19 20 21 22
1k
R953
C930
R956 1k 3.1
100p
CH
R964
27k
R959
R961
10k
XX C929
1000p
1k C926
R955 CL910 R966 R970
0.01u
10k 10k
B
4-52
1 2 1 3 1 4
J_3.1V
27-3
27-4
27-5
27-6
27-7
27-8
27-9
AUDIO_5V
R975
47k
27
TO JC-19 BOARD (15/18)
(SEE PAGE 4-47, 48)
C940
1000p
R978
220
JL904
GND
27-2
27-10
GND
29
R954 TO JC-19 BOARD (18/18)
1k
(SEE PAGE 4-54)
29-1
J_3.1V