Sony HCD-VX88 Service Manual page 26

HCD-VX88
– VIDEO SECTION –
LEVEL SHIFT
IC501
ADATA
1 4
BCLK 13 10
LRCK 5 8
C2PO
DATAI
DATAO
CLK1
HRDY
INT
HSEL
RST
INVERTER
Q502
INVERTER
Q501
B
CD
SECTION
(Page 25)
DATAO
DATAI
CLK1
INT
HSEL
HRDY
RESET
DATA
XLT
CLK
SENS
SCLK
MUTE
CTRL1
LPH
LDON
SCOR
SUBQ
SQCK
(XTAL 33.8MHz)
XRST
05
MCK
D-RAM
IC507
2 - 10 31 - 39
13 14 28 29 16 - 19 22 - 26 13 - 15 17 - 21
38 42 40
4
CD-DATA
3 CD-BCK
5 CD-LRCK
6 CD-C2PO
MPEG VIDEO/AUDIO DECODER,
VIDEO SIGNAL PROCESSOR
IC505
112 HD-OUT
119 HD-IN
117
HCK
HRDY
113
114
HINT
121 HSEL
60 RESET
93 PGIO2/VSYNC/CSYNC
PGIO3/HSYNC
101
CD MECHANISM CONTROLLER
IC502
3
RESOLUTION
4
CHROMA LEVEL
BGP 20
31
DATA1O
65
V. MUTE
32
DATA1I
DF LATCH 22
33 CLK1
20 CL680 INTR
21 CL680 HSEL
XIN
15
23 CL680 HRDY
X501
24 680 RESET
10MHz
XOUT 13
25 HSYNC IN
45 VSYNC
DSP DATA
95
97 DSP LATCH
5 DSP CLK
1 I 2 C-DATA 30
SENSE
SENSE CLK I 2 C-CLK 29
2
XRESET
12
10 DSP MUTE
11 CTRL1(L:DOUBLE)
TEST1 74
27 LPH
TEST2 75
28 LDON
TEST3
18 76
SCOR
36 SUBQ DATA
TEST LED 73
37 SUBQ CLK
TP522
77 DEVICE RESET
34
RTS1
41
BUS XHOLD
BUS XWRL 46
ROM
IC506
25 4 28 29 3 2 30 12 - 5 27 26 23
22
10 - 29 58 - 44
37
Y-OUT
69
C-OUT 75
IC301
110
DA-DATA
DA-LRCK 108
DA-BCK 111
27MHz
VCK-IN 106
DA-XCLK 86
SL503
SL501-503
SL502 CN503
(TEST MODE)
SL501 DATAI
1 TXD
CLK1
5V S CLK
2
DATAO FOR
5 RXD
FLASH
(SELF-DIAGNOSIS)
8 RST
TP523
ROM
3 BUSY
WRITE
HOLD
11
10 XWR
26 26
IC304
Y/C AMP,
IC303
MIX AMP
HUE CONTROL
10 VIDEO VIDEO 1 2 Y IN MIX OUT1
IN OUT
5 CONTROL
Y OUT1
IC302
Y AMP/PICTURE CORRECTION
7
1 V IN V OUT 6 C IN
8
TINT
5 BGD
1 MUTEA C OUT1
8 MUTEB
DIGITAL FILTER & D/A CONVERTER
IC509
18
14
D/A
19 PLM
CONV
17 11 R-CH
DATAO
9
1
CLK1 CLOCK
8 X503
MODE
DIVIDER
27MHz
7 24
CT503
10 21 20 4 VIDEO
FREQUENCY
RSTB
LEVEL SHIFT
IC504
3
11
1
+3.3V REG
D5V
Q531
J302
12
VIDEO OUT
J301
15
4 S VIDEO
3
OUT
2 1
9
LOW-PASS FILTER
IC101
CD-L
D
3 1
MAIN
SECTION
(Page 27)
27MHz
6
384FS
8
TUNER/CD
I 2 C-DATA
C
I 2 C-CLK SECTION
XRST (Page 25)
+3.3V
• R-CH: Same as L -CH.
• SIGNAL PATH
: CD (AUDIO)
: VIDEO (C)
: VIDEO (Y)
: CD (VIDEO)