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

DSR-20MD/20MDP
JC-19 (AUDIO CORE) SCHEMATIC DIAGRAM
1 2 3 4
JC-19 BOARD (15/18)
AUDIO CORE
A
-REF.NO.:2,000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
AUDIO_5V
30
B
TO JC-19 BOARD (1/18)
(SEE PAGE 4-19)
J_3.1V
C
D
R801
10k
E
0
0 0
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
F
0
IC801
G
CXD2705AQ
IC801
4.5
C801
0.01u
F
0
H
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
4.6
I
21
21-11
TO JC-19 BOARD (10/18)
21-12
(SEE PAGE 4-38)
27-1(NC)
J
14 13 12 11 10 9 8
IC807
K
27
1 2 3 4 5 6 7
TO JC-19 BOARD (17/18)
(SEE PAGE 4-52)
3.1 R1.6/P0
R0 R0.8
P0.9 P0.6
L
C816
0.01u
F
27-2
05
AUDIO CORE
JC-19 (15/18)
• See page 4-15 for JC-19 printed wiring board.
• See page 4-121 for waveforms.
5 6 7
C812
R814 47u
6.3V
4.7
48 47 46 45 44 43 42 41
1
C810
R813
R0 47u
22k
P0.9 6.3V
C809
0.01u
F
4.5
C803
10p
CH
2.4
2.3
CL801
50
X801
49.152MHz
R803
L801 100
1uH
C807
1000p
C804
10p
CH
3.1 4.3
3.1
3.1 3.1
1.5
4.5
R818
R819
100k
22k
R830
10K
C814
0.01u
F
R829
0
4-47
8 9 1 0 1 1
CL855
C813
L802
0.01u 51
10uH
F 1.5 1.5
14 13 12 11 10 9 8
IC804
1
1 2 3 4 5 6 7
4.9
2.9
3 3
3.1
75 74 73 72 71
3.1
3.1
CL020
3
0
3.1
0
1 2 3 4 5
3.1
TO JC-19 BOARD(9/10)
(SEE PAGE 4-43)
1 2 1 3 1 4 15
TO JC-19 BOARD (14/18)
(SEE PAGE 4-46)
31
CL856
C815
0.01u
3.1
70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
2.5 0
55 54 53
3.1
3.1
3.1
2.8
3.1
R0/P3.1
3.1
IC805 R3.1/P0
CXD3107R
IC805
3.1
3.1
3.1
3.1
52 1.5
3.1
0 0.7 0.9
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
3.1 0.3
R821 R822
4700 100k
SIGNAL PATH
AUDIO
SIGNAL
REC
27
PB
4-48
16 17 18
GND
27 TO JC-19 BOARD (17/18)
AUDIO_5V
(SEE PAGE 4-52)
J_3.1V
21-5
21-3
21-4
21-2
TO JC-19 BOARD (10/18)
21
21-1
(SEE PAGE 4-38)
21-9
21-7
21-6
21-8
16-4
16-3
16-5 16 TO JC-19 BOARD (7/18)
(SEE PAGE 4-31)
16-2
16-1
27-12
27-11
27-10
27-3
27-8
27-7
27-6
27-9
TO JC-19 BOARD (16/18, 17/18)
27
27-5
(SEE PAGE 4-49, 52)
27-4
27-13
27-14(NC)
21-13
21 TO JC-19 BOARD (10/18)
R826 0 (SEE PAGE 4-38)
21-10
13-2
13 TO JC-19 BOARD (5/18, 7/18, 9/18, 11/18)
13-1 (SEE PAGE 4-27, 31, 35, 39)
28-1(NC)
28-2
28-3(NC)
28-4
TO JC-19 BOARD (18/18)
28
28-5
(SEE PAGE 4-54)
28-6
28-7
28-8
28-9
28-10