DOWNLOAD Sony HCD-VX555 / HCD-VX555J / MHC-VX555 / MHC-VX555J Service Manual ↓ Size: 17.88 MB | Pages: 85 in PDF or view online for FREE

Model
HCD-VX555 HCD-VX555J MHC-VX555 MHC-VX555J
Pages
85
Size
17.88 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-vx555-hcd-vx555j-mhc-vx555-mhc-vx555j.pdf
Date

Sony HCD-VX555 / HCD-VX555J / MHC-VX555 / MHC-VX555J Service Manual ▷ View online

26
26
HCD-VX555/VX555J
VIDEO CD SECTION
IC504
IC504
E
G
C
B
CD
SECTION
(Page 24)
F
MAIN
SECTION
(Page 25)
IC101
MAIN
SECTION
(Page 25)
MAIN
SECTION
(Page 25)
CD
SECTION
(Page 24)
: VIDEO
• Signal Path
• R-ch is omitted due to same as L-ch.
: CD
CD MECHANISM CONTROLLER
IC502(2/2)
3
RESOLUTION
4
CHROMA LEVEL
22
BGP
36
DATAI
35
DATAO
88
DF LATCH
37
CLK1
21
H SYNC IN
BUFFER
20
 CL680 INTERRUPT
45
V SYNC
BUFFER
87
CL680 HSEL
85
CL680 HRDY
86
680 RESET
65
V.MUTING
HD OUT
112
HD IN
119
HCK
117
H SYNC
101
V SYNC
93
HINT
114
HSEL
121
HRDY
113
RESET
60
CD DATA
4
CD BCK
3
CD LRCK
5
CD C2PO
6
MPEG VIDEO/AUDIO DEC
VIDEO SIGNAL PROC
IC505
MD
9
MC
8
ML
7
DATA
18
BCK
17
LRCK
19
384FSO
20
MCKO
4
111
110
DA DATA
DA BCK
86
DA XCLK
106
VCK IN
75
C OUT
DIGITAL FILTER
D/A CONV
IC509
108
DA LRCK
27MHz
RSTB
10
14
V OUT L
11
V OUT R
1
XT1
24
XT2
L.P.F
R-CH
X503
27MHz
X501
10MHz
LOUT
L.P.F
VIN
1
BGP
5
6
VOUT
C AMP
IC302
TINT
8
VIN
10
CCT
5
1
VOUT
Y AMP
IC303
69
Y OUT
CD DATA/CD BCK/CD LRCK/C2PO
S VIDEO
OUT
J301
4
3
2
1
Y IN
2
C IN
7
MUTE A
1
MUTE B
8
VIDEO AMP
IC304
15
Y OUT1
9
C OUT
12
MIX OUT1
11
MIX OUT2
14
Y OUT2
MD0
MD15
54
52
50
48
.
46
58
56
.
.
44
17
19
21
.
23
.
10
15
.
29
.
.
MA0
MA10
16
19
22
26
.
DQ1
DQ16
A0
A8
RAS
14
UCAS
28
LCAS
29
WE
13
DRAM
IC507
O0
O7
A0
A10
CE
30
FLASH ROM
IC506
20
13
3
.
2
31
.
.
25
29
1
.
12
.
21
23
.
4
5
11
.
.
10
6
.
.
.
42
RAS0
40
CAS
38
MWE
37
MCE
Q301
C
Y
7
10
31
.
34
.
2
5
.
36
39
66
32
33
34
31
12
9
46
41
DAC RESET
DATA1I
CLK1
RTS1
DATA1O
XRESET
CNVSS
BUS XWRL
BUS XHOLD
TXD
SCLK
BUSY
RXD
RST
XRST
PGM
XWR
HOLD
7
5
L.P.F
 MCLK
A11
ı
A17
15
13
XIN
XOUT
Q501
Q502
Q531
+3.3V REG
+3.3V
(IC505 VDD)
+5V
VMP-VIDEO IN
CN503
(TO FLASH WRITER)
11
10
9
8
3
4
5
6
27
27
HCD-VX555/VX555J
6-3.
PRINTED WIRING BOARD  – MAIN SECTION –
There are a few cases that the part printed on
this diagram isn’t mounted in this model.
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
D11
C-12
D51
A-11
D507
B-4
D508
C-1
D509
D-3
D510
D-3
D511
C-1
D512
B-4
D575
E-3
D576
E-3
D577
D-3
D578
D-3
D579
D-3
D580
D-3
D801
H-11
D822
G-10
D824
G-10
D841
I-11
D861
I-8
D892
H-12
D893
H-12
D901
I-9
D902
I-9
D903
H-9
D904
H-9
D906
H-9
D907
I-9
D908
I-9
D909
I-10
D910
J-6
D911
I-6
D912
F-9
D920
H-6
D921
H-6
D922
H-7
D952
G-6
D953
G-6
IC11
D-11
IC51
B-10
IC101
E-7
IC102
D-5
IC103
C-5
IC104
C-6
IC105
E-8
IC201
B-12
IC301
G-5
IC302
H-4
IC303
F-3
IC304
H-3
IC501
C-2
IC502
E-3
IC911
C-8
IC921
H-7
IC951
H-6
IC961
H-7
Q1
C-10
Q2
H-11
Q11
D-10
Q12
D-10
Q101
D-6
Q102
D-5
Q103
I-7
Q104
E-8
Q141
D-5
Q151
D-6
Q152
D-5
Q153
I-7
Q301
I-4
Q302
I-4
Q303
I-4
Q304
H-4
Q305
H-5
Q391
E-1
Q392
E-1
Q393
E-2
Q394
D-1
Q395
E-2
Q396
E-2
Q397
D-1
Q503
E-5
Q504
F-6
Q505
F-7
Q575
E-3
Q821
G-11
Q822
G-11
Q823
G-11
Q824
H-11
Q825
H-11
Q828
G-10
Q829
F-10
Q861
I-8
Q862
I-10
Q863
I-10
Q891
G-11
Q892
H-12
Q911
C-8
Q912
C-9
IC201
IC51
IC202
IC11
IC104
IC102
IC103
IC501
IC502
IC101
IC105
IC106
IC911
IC303
IC304
IC302
IC301
IC951
IC961
IC921
(Page 44)
(Page 42)
(Page 36)
(Page 40)
(Page 40)
(Page 40)
(Page 34)
(Page 34)
TO
VIDEO BOARD
P
TO
SWITCH
BOARD
(Page 50)
• See page 22 for Circuit Boards Location.
28
28
HCD-VX555/VX555J
6-4.
SCHEMATIC DIAGRAM  – MAIN SECTION (1/4) –
• See page 23 for Wavefoms.  • See page 58 for IC Block Diagrams.
IC B/D
IC B/D
29
29
HCD-VX555/VX555J
6-5.
SCHEMATIC DIAGRAM  – MAIN SECTION (2/4) –
• See page 58 for IC Block Diagrams.
IC B/D
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