![background image](http://html.mh-extra.com/html/sony/hcd-rv20/hcd-rv20_service-manual_420864029.webp)
29
29
HCD-RV20/RV50/RV60
(Page 30)
(Page 31)
(Page 31)
3-11. SCHEMATIC DIAGRAM — MAIN SECTION (1/3) —
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
15
4
7
1
2
2
6
4
1
5
2
5
3
5.3
0.6
0.8
3.5
0.3
1.1
3
3
C233,234
RV20:
0.015
RV50/RV60:
0.001
7
R260
RV20:
100
RV50/RV60:
220
1.7
1.1
3.9
4
3.9
3.1
3.1
0
0.1
0.7
0.1
0.1
9
1.2
7.9
[2.8]0.1
[2.7]0
2.8
0.6
0.6
0
0
0
0.6
0
0.6
0.6
3.9
0.9
3.9
4
3.9
3.1
3.1
0.1
9
9
9
0
0
8.3
0.6
0
0
0.7
0.8
3.6
0.3
C223
RV20:
0.015
RV50/RV60:
0.022
4
C242
RV20:
0.0047
RV50/RV60:
0.015
6
R252
RV20:
27K
RV50/RV60:
22K
C225,226
RV20:
470p
RV50/RV60:
220p
5
R225,226
RV20:
12K
RV50/RV60:
10K
RV20
RV20
CN201 3P:
RV50/RV60
CN201 3P:
RV20
2
3
IC201
11P
1
R
L
AM
ANTENNA
11
12
13 1415
16
17
19
18
20 21 22 23 24
25
26
MAIN
BOARD
(2/3)
MAIN BOARD (3/3)
MAIN
BOARD
(3/3)
2
3
4
5
6
7
8
9
10
Q210,211
AMS
470p
Q223
BIAS OSC
470p
Q218-221
REC/PB CONTROL
Q222,225
REC/PB SWITCH
Q228
BIAS
SWITCH
REC/PB
AMP
Q212
EQ
7p
A DECK
PALYBACK
B DECK
RECORD/PALYBACK/ERASE
RCH
LCH
ERASE
LCH
RCH
MAIN BOARD (1/3)
FM75
Ω
COAXIAL