Sony HCD-VX55 Service Manual page 27

VIDEO CD SECTION
CD
DEVIDE RST
E
SECTION
(Page 25)
CD CD DATA/CD BCK/CD LRCK/C2PO
B
SECTION
(Page 25)
CD MECHA CONT
IC502(2/2)
RESOLUTION
CHROMA LEVEL
BGP
V MUTE
DATA1 I
DATA1 O
DF LATH
CLK1
H SYNC
V SYNC
HINT
HSEL
HRDY
RESET
16
3
4
IC301
11 10
26
65
MPEG VIDEO/AUDIO DEC
VIDEO SIGNAL PROC
IC505
77 DEVICE RST Y OUT 69
C OUT 75
4 CD DATA DA DATA 110
3 CD BCK DA BCK 11
5 CD LRCK DA LRCK 108
6 CD C2PO
DA XCLK 86
32 112 HD OUT
119
31 HD IN VCK 106
22
33 111 HCK
10
15 .
BUFFER
25 101 H SYNC
Q501
17
.
MD0
19
.
MD15
21
BUFFER .
45 93 V SYNC
Q502 23
29
20 114 HINT
121 58
21 HSEL
56 .
23 113 HRDY
24 60 RESET 54
.
MA0 52
MA10 50
.
48
.
46
44
RAS0 42
CAS
40
MWE 38
MCE 37
Y AMP
IC303
5 CCT
VOUT 1
10 VIN
C AMP
IC302
8 TINT
VOUT 6
5 BGP
L.P.F 1 VIN
DIGITAL FILTER
D/A CONV
IC509
10 RSTB
L.P.F
IC101
9 MD
V OUT L 14
8 MC
7 ML
V OUT R 11 R-CH
XT1 1
X503
27MHz
18 DATA XT2 24
17 BCK
19 LRCK
IC104
20 384FSO
4
MCKO
IC504
27MHz
DRAM
IC507
16 2
A0
19 5
. .
A8
22 7
26 DQ1 10
.
DQ16 31
14 34 .
RAS
28 UCAS 36
29 34
LCAS
13 WE
MICRO ROM
IC506
12
13
5 15
. .
A0
27 17
.
A8
26 21
. .
DQ1
23 25
.
DQ16
4 .
28
.
29
.
3
.
22 CE
2
.
30
27 27
VIDEO AMP
IC303
Y
2
Y IN Y OUT1 15
Y OUT2 14
J301
2
4
S VIDEO
OUT
3
1
7
C IN
C
C OUT 9
J302
VIDEO
1 MUTE A MIX OUT1 12
OUT
8 MUTE B MIX OUT2 11
L-CH
384FS
• Signal Path
: CD
: VIDEO
HCD-VX55/VX55J
D
MAIN
SECTION
(Page 26)
C CD
SECTION
(Page 25)