![background image](http://html.mh-extra.com/html/sony/hcd-rv20/hcd-rv20_service-manual_420864031.webp)
31
31
HCD-RV20/RV50/RV60
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
5
MAIN
BOARD
(2/3)
B
DRIVER
BOARD
CN701
E
PANEL
BOARD
CN601
4
MAIN BOARD (1/3)
3
MAIN BOARD (1/3)
H
J
JACK BOARD
CN007
POWER AMP BOARD
CN502
RV50/RV60
RV50/RV60
RV50/RV60
:RV50/RV60
:RV20
R311,312
RV50/RV60
RV20
-2.3
-2.4
0
0
0
0
4.8
4.8
4.8 4.8
4.8
4.8
9.7
15
0.6
5
9
9
4
14.7
9
14.7
14.7
14.7
0
9.3
0
9.3
10.1
9
9.3
2.3
2.9
3.3
3.3
0
0
0
6
0
0
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7.6
0
3.6
3.6
9
5.5
4.8
10.1
8.5
0.7
9
9
0
9.9
9.9
9.2
RV20
:10K
RV50
:3.9K
RV60
:6.8K
CN308
7P
5P
CN307
13P
BU2099FV
IC309
BU2099FV
IC310
CN304
31P
IC304
CN309
12P
27
28
29
30
31
9
10
11
12
1314 15
16
17
18
20
25
26
22
24
19
21
23
32
33
34
35
36
37
38
39
40
41
42
44
43
47
49
46
48
50
51
52
53
54
55
45
LINE AMP
D301-304
10EDB40-TB3
Q329
DC DET
Q301,302
POWER ON
SWITCH
Q324
+9V DETECT
Q408 MUTE
Q312
MUTE
Q303,313,307
B+ SWITCH
IC304
SW+5V REG
IC307
+9V
REG
IC308
+9V REG
IC305
SW+5V
REG
Q330,331
POWER ON
SWITCH
IC306
IC309
IC310
MAIN BOARD (3/3)
CN308
CN305
JR335 0
JR334 0
(Page 35)
(Page 37)
(Page
30)
(Page 29)
3-13. SCHEMATIC DIAGRAM — MAIN SECTION (3/3) —
(Page 23)
(Page 29)
(Page 33)