Digital Audio) Schematic Diagram - Sony DSR-20MD Service Manual

JC-19 (DIGITAL AUDIO) SCHEMATIC DIAGRAM
1 2 3
JC-19 BOARD (16/18)
DIGITAL AUDIO
-REF.NO.:2,000 SERIES-
A
XX MARK:NO MOUNT
27-15
27-16
27 27-13
TO JC-19 BOARD (15/18)
(SEE PAGE 4-48)
B
27-12
R918 1k
27-11
CL918
23-10
R919
0
23-11
C
R903
0
23-7
D
23-12
E
23-1
CL913
IC901 TC74VHC123AFT(EL)
0.3
3.1
IC901
F
0
3
C912
0.1u
B
23
G
23-9
TO JC-19 BOARD (10/18)
CL915
(SEE PAGE 4-38)
23-2
H
23-3
23-13
23-14
23-15
23-6
I
23-5
IC909 TC74VHC74FT(EL)
3.1
1.8
0.3
IC909
J
3.1
R1.1
P1.6
R2/P1.3
K
23-4
23-8
L
05
• See page 4-15 for JC-19 printed wiring board.
4 5 6 7
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
R909
0
R908
CL003
0
CL004
R905
CL912
1k
L901
10uH
CL914
IC902 TC74VHC74FT(EL)
3.1 3.1 3.1
R906
33k
3.0 0.1 3.1
IC902
0 C901 0.3 3.1
0.01u
B
0.1 3.1 3.1
3.1
3
3.1 3.1
3.1
C902
0.1u
F
R3/P0
R913 1k
CL916
3.1
3.1
R1.6
IC907
P1.9
TC7S86FU(TE85R) IC916
TC7S08FU(TE85R)
IC907
0.3 IC916
3.1 R1.4
R3/P0
P1.8 3
R1.7
P1.4 1.7 3.1 0 3.1
1.3
R3 0
P0
C907
0.1u
F
4-49
8 9 1 0 1 1
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34
CL854
IC904
CDX8630R
CL001
R983
IC904
1k
CL002
1.5
1.4
3.1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
C903
0.1u
F
C905
C904
0.1u
10u
F
6.3V
R907 1k
CL005
R926
1M
IC906
3.1
3.1
IC903
TC7W74FU(TE12R)
IC903
3.1 CL853
3
3.1
0
3.1
3.1
C911
0.1u
F
R924
6800
1 2 1 3 1 4
L907
10uH
C908
0.1u
F
33
C909
10u
6.3V
3.1
1.5
3.1
3.1
3.1
0
3.1
0.3
0.3
0.3
1.5
TC74VHC123AFT(EL)
R938
150k
3.1
R936 R939
3.1 R937
10k
100k 100k
IC906
0
3.1
R941
0
0
2.8
3.1
C915
0.01u
D901
C914
MA111-TX
2200p
B
4-50
DSR-20MD/20MDP
1 5 1 6
J_3.1V
42-1
42-2
42-3
42-4
42-5
42-6
42
TO JC-19 BOARD (17/18)
(SEE PAGE 4-51)
42-7
42-8
42-9
42-10
42-11
GND
42-12
42-13
42-14
DIGITAL AUDIO
JC-19 (16/18)