Read Sony HCD-VX222 / MHC-VX222 Service Manual online
33
33
HCD-VX222
6-12. SCHEMATIC DIAGRAM – MAIN SECTION (5/5) –
Q381
Q382
Q385
Q386
Q387
C686
C688
C690
C689
C691
C698
C697
RY371
R383
R384
R385
R386
R387
R388
R389
C381
C375
C376
C382
C383
L671
100
µ
H
0
µ
H
C676
C674
C675
CN403
JW8
JW9
C683
C684
C672
C673
C693
C694
C671
C677
D686
D383
D372
D685
JK302
Q384
Q383
D687
D688
D689
D690
D694
D695
C699
JR638
FB2
0
µ
H
Q682
D681
D682
D683
D684
CN402
FB1
0
0
µ
H
JW18
JW19
R693
FB1
FB2
FB3
FB3
0
µ
H
R381
R382
GND1
R681
R682
R683
C685
Q681
C687
CN102
R694
FB7
2SC2785
2SC2785
2SC2785
2SC2785
2SC2785
10
50V
10
50V
10
50V
100
10V
10V
100
10V
10V
10
50V
2200
25V
10k
10k
33k
22k
4.7k
22k
5.6k
100
10V
10V
1000p
1000p
2.2
50V
50V
2.2
50V
50V
100
10V
10V
100p
470
6.3V
0.1
0.1
100p
100p
0.01
0.01
1000
6.3V
6.3V
470
10V
10V
1SS355TE
1SS355TE
1SS355TE
1SS355TE
DTC114ES
2SA1175
11ES2N
11ES2N
11ES2N
11ES2N
11ES2N
11ES2N
470
16V
16V
0
DTC114ES
11ES2N
11ES2N
11ES2N
11ES2N
13P
33k
0
0
0
56k
47k
2.7k
2.7k
2.7k
4700
16V
2SC2785
3300
6.3V
13P
10k
17
46
47
36
37
37
38
39
40
48
25
24
28
27
30
41
29
26
22
23
16
44
35 34
21 20
18
E5V
H
38
F
G
43
29
30
10
PH671
CD DIGITAL
OUT
+5V
OUT
IC681
UPC7805A
UPC7805A
IC682
IC683
UPC7812A
IC684
VF
VF
-B
VP
L OUT
R OUT
SP GND
SP GND
PW GND
AC4
AC4
AC3
AC3
STBY
PROTECTOR
L OUT
R OUT
A GND
A GND
+12V GND
REG+12V
FAN ON
EVER +5V
D GND
STK MUT
STK MUT
+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
XRST
A+5V(SW)
A+5V(SW)
ROUT
AGND
AGND
LOUT
DGND
DOUT
DOUT
D+5V(SW)
+5V
MGND
SPEAKER
+
-
+
-
AVDD
DVDD
CD/R
CD/L
R
L
IMPEDANCE
USE 6-16
Ω
DRIVE
RELAY
Q384,385
PROTECT
SWITCH
PROTECT
SWITCH
PROTECT
SWITCH
PROTECT
Q381,382
DETECTOR
M5F7809AFH
GND
M+7V
EXCEPT
TW
TW
TW
EXCEPT
TW
EXCEPT
TW
TW
TW
PH671
TOTX178A
(CHASSIS)
I2C CLK
I2C DATA
BOARD
CN502
(4/5)
BOARD
BOARD
(2/5)
(4/5)
(4/5)
(3/5)
(3/5)
(4/5)
(3/5)
POWER AMP
POWER AMP
VIDEO
(Page 32)
(Page 30)
(Page 32)
(Page 31)
(Page 31)
CN503
(Page 35)
(Page 32)
CN502
(Page 41)
(Page 35)
(Page 32)
(Page 31)
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