Sony HCD-VX222 / MHC-VX222 Service Manual ▷ View 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)
34
34
HCD-VX222
6-13. PRINTED WIRING BOARD – POWER AMP SECTION –
• See page 21 for Circuit Boards Location.
Ref. No.
Location
D501
B-5
D502
B-4
D541
C-5
D542
A-3
D543
A-3
D551
B-4
IC501
A-5
Q501
B-5
Q503
B-5
Q504
B-5
Q551
B-4
Q581
B-5
• Semiconductor
Location
POWER AMP BOARD
11
(14)
1-681-448-
D
F
MAIN BOARD
(Page 28)
MAIN BOARD
(Page 28)
C
TRANS BOARD
(Page 38)
(CHASSIS)
TW
C592
TW
(CHASSIS)
E
E
E
E
E
R513
R593
R519
TW
R561
_
+
1
13
1
13
1
13
2
3
4
5
6
7
A
1
B
C
D
35
35
HCD-VX222
6-14. SCHEMATIC DIAGRAM – POWER AMP SECTION –
Q504
Q501
Q551
Q503
C542
C592
C541
C591
C501
C503
C511
C543
R501
R502
R512
R561
CN501
R505
R506
D501
D502
R507
C507
C508
D551
D542
D543
C545
C544
C551
R551
C553
C554
C559
R552
R581
R582
R514
R515
R516
R517
R556
R557
C557
C558
R559
C509
R511
EP502
Q581
R509
R513
R519
R510
R508
R558
R560
R555
R541
R591
D541
CN502
CN503
R518
R503
C504
C502
C552
R553
R554
R593
R592
R504
2SC1841
2SC1841
2SC1841
2SA988
2200
50V
2200
50V
0.1
100V
0.1
100V
10
50V
100p
0.01
0.1
1k
56k
1
1/4W
100
1/4W
1k
15k
1SS133T
1SS133T
100k
0.068
0.068
1SS133T
11ES2
11ES2
3300
35V
1000
25V
10
50V
1k
100p
22
25V
22
50V
56k
33k
33k
2.2k
22k
10k
2.2k
15k
100k
0.068
0.068
10
1/2W
22
50V
100
1/4W
2SC1841
10
1/2W
22k
22k
0.22
2W
0.22
2W
0.22
2W
0.22
2W
1k
22k
1/2W
22k
1/2W
D5SBA204101
13P
13P
10k
1.2k
22
25V
0.001
0.001
1.2k
56k
0.1
1/4W
0.1
1/2W
56k
+VCC
PRE
BIAS
+VCC
-VCC
CH1 IN
CH1 NF
CH1 +VE
CH1 -VE
CH2 +VE
CH2 -VE
PRE -VCC
SUB GND
CH2 NF
CH2 IN
PROTECTOR
L OUT
R OUT
A GND
+12V GND
REG+12V
FAN ON
EVER +5V
D GND
STK MUT
VF
VF
-B
VP
L OUT
R OUT
SP GND
SP GND
PW GND
AC4
AC4
AC3
AC3
AC4
AC4
AC3
AC3
VF
VF
VP
D GND
EVER +5V
STBY RELAY
STBY RELAY
AC1
GND
AC1
IC501
POWER AMP
(CHASSIS)
MUTE
DRIVER
BUFFER
MUTE
Q503,504
PROTECTION
PROTECTION
STK402-0705(1/2)
IC501
STK402-0705(2/2)
BOARD
TRANS
MAIN
MAIN
BOARD(5/5)
BOARD(5/5)
CN402
(Page 33)
CN403
(Page 33)
CN915
(Page 39)
36
36
HCD-VX222
PANEL BOARD
KEY BOARD
11
(14)
1-681-447-
11
(14)
1-681-446-
J702
MIC2
(CHASSIS)
(CHASSIS)
A
MAIN
BOARD
(Page 28)
(CHASSIS)
>
M
x
X
Z
B
B
B
B
gG
>
M
E
VIDEO OUT BOARD
11
(14)
1-681-441-
1
1
2
L
R
J703
MIC1
J702
J703
VR702
CN714
CN713
VR703
VR702
ECHO LEVEL
VR703
MIC LEVEL
1
2
1
2
CN714
CN713
1
2
G
G
VIDEO BOARD
(Page 40)
C753
D715
D714
D712
2
3
4
5
6
7
8
9
10
A
1
B
C
D
E
F
G
H
I
(CHASSIS)
CLP4
CN714
JK705
VIDEO
VIDEO
OUT
2
IC702
IC704
IC703
1
2
6
7
5
4
3
1
J701
PHONES
VOLUME
S701-738
J701,J707,J703
2
6
7
5
4
3
1
2
6
7
5
4
3
1
2
6
7
5
4
3
1
2
30
29
TUNER/BAND
E
E
E
E
61 60
20 21
80
1
41
40
E
DX20
1
R793
C768
C767
4
R795
C764
JW703
JW819
C769
R794
5
8
1
13
1
JW847
13
DISPLAY
MUSIC EQ
S737
EFFECT
ON/OFF
ON/OFF
S703,D711
GROOVE
GAME EQ
JW841
Q712
JW839
R804
D711
S703
S711
PICTURE
EFECT
DISC SKIP
EX–CHANGE
DISC 1
DISC 2
DISC 3
OPEN/
LCOSE
P.FILE
ENTER
SPECTRUM
MOVIE EQ
TUNER MEMORY/PLAY MODE
E
E
KARAOKE PON
DIRECTION/EDIT
STEREO/MONO
REPEAT
+
E
3
1
AUDIO
INPUT
VIDEO
IC701
R800
R779
R780
R781
R777
R778
R776
R801
R775
JW823
JW822
R782
R767
R751
R773
C743
C742
R751
R774
R799
C774
C772
C752
C741
C748
C740
C746
C749
C747
C744
C750
C781
C773
C718
C771
C719
C745
1
4
5
C776
J704
8
1
16
9
8
JW714
6-15. PRINTED WIRING BOARD – PANEL SECTION –
• See page 21 for Circuit Boards Location.
Ref. No.
Location
D701
A-9
D702
B-2
D703
B-2
D704
A-2
D705
A-2
D706
B-9
D707
H-3
D708
F-4
D709
G-7
D710
G-7
D711
G-7
D712
C-6
D713
C-4
D714
B-8
D715
B-8
D716
B-2
D717
B-2
D718
A-2
D719
A-2
D720
B-9
D721
D-3
IC701
B-5
IC702
D-7
IC703
C-6
IC704
B-8
SEN701
A-7
Q701
A-8
Q702
B-3
Q703
B-3
Q704
B-3
Q705
B-3
Q706
B-8
Q707
F-3
Q708
G-3
Q709
G-6
Q711
B-6
Q712
G-6
• Semiconductor
Location
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