Sony HCD-DX20 - Schematic Diagram - Main Section (5;5)

2929
HCD-DX20/RG30
6-10. SCHEMATIC DIAGRAM – MAIN SECTION (5/5) –
Q
381
Q
382
Q385
Q386
Q
387
C371
C372
C373
C374
C686
C687
C
688
C690
C
689
C691
C698
C
697
R
Y371
R
383
R
384
R
385
R
386
R
387
R388
R
389
C381
C375
C376
L371
L372
C382
C383
C685
L671
C676
C674
C675
CN
403
R
377
R
378
R
379
R
380
JW
8
JW
9
C
683
C684
C672
C673
C
678
C679
C
693
C
694
C671
C
677
D
686
D
383
D
372
D685
JK302
Q
384
Q
383
D687
D
688
D689
D
690
D
694
D
695
C699
JR
638
C
N
102
FB2
0µ
H
0µH
100
µ
H
JR
640
Q
682
R681
D681
D682
D683
D
684
Q
681
R
382
R
381
CN
402
FB1
2SC2785
2SC2785
2SC2785
2SC2785
2SC2785
0.1
0.1
0.1
0.1
10
50V
1000
6.3V
10
50V
10
50V
100
10V
100
10V
10
50V
2200
25V
10k
10k
33k
22k
4.7k
22k
5.6k
100
10V
1000p
1000p
2.2
50V
2.2
50V
2200
16V
100
10V
100p
470
6.3V
10
1/2W
10
1/2W
10
1/2W
10
1/2W
0.1
0.1
100p
100p
100p
100p
0.01
0.01
1000
6.3V
470
10V
1SS
355TE
1SS355TE
1SS355TE
1SS355TE
DTC
114ES
2SA1175
11ES
2N
11ES2N
11ES
2N
11ES2N
11ES2N
11ES2N
470
16V
0
19P
0
D
TC
114ES
0
11ES2N
11ES2N
11ES2N
11ES2N
R
T1P137S
13P
17
46
47
36
37
38
39
40
48
25
24
28
27
30
41
29
26
22
23
X3
16
44
35
34
21
20
18
19
32
33
34
40
42
43
35
37
H
38
F
G
42
*
*
PH671
CD DIGITAL
OUT
+5V
OUT
IC681
UPC7805A
UPC7805A
IC
682
IC683
U
PC7812A
IC
684
V
F
V
F
-B
V
P
L O
U
T
R
O
U
T
S
P
G
N
D
SP
G
N
D
PW
G
N
D
A
C
4
AC
4
A
C
3
AC
3
STBY
PROTECTOR
L OUT
R OUT
A GND
+12V GND
REG+12V
FAN ON
EVER +5V
D GND
STK MUT
+7V
+B SWITCH
Q681,682
+12V REG
+5V REG
+5V REG
OUT
IN
G
OUT
IN
G
OUT
IN
G
OPTICAL
OUT
IN
G
+9V REG
SCOR
SOCK
SENS
SOSO
HOLD
CLOK
XLT
DATA
XRST
A+5V(SW)
ROUT
AGND
LOUT
DGND
DOUT
D+5V(SW)
+5V
MGND
SPEAKER
USE 6-16
Ω
+
-
+
-
AVDD
D
V
D
D
C
D
/R
C
D
/L
R
L
IMPEDANCE
DRIVE
RELAY
Q384,385
PROTECT
SWITCH
PROTECT
SWITCH
PROTECT
SWITCH
PROTECT
Q381,382
DETECTOR
M
5F7809A
F
H
GND
RG30
DX20
DX20
47k
RG30
DX20
*R382
56k
RG30
DX20
56k
47k
*R381
RG30
MAIN BOARD(4/5)
MAIN BOARD(3/5)
(Page 28)
(Page 27)
BOARD
CN502
POWER AMP
(Page 31)
BOARD
BD
CN101
(Page 23)
MAIN
BOARD(4/5)
(Page 28)
BOARD
CN403
POWER AMP
(Page 31)
MAIN BOARD(2/5)
MAIN BOARD(4/5)
MAIN BOARD(3/5)
MAIN BOARD(3/5)
(Page 26)
(Page 28)
(Page 27)
(Page 27)
MAIN BOARD(4/5)
(Page 28)