Ic401 Cxd1913Q; Ic501 Sn74Hc245Ans - Sony HCD-V4800 Service Manual

IC401 CXD1913Q

51 50 49 48
F1 52
VDD 53 3
XTEST4 54
XRST 55
SYSCLK 56
PDCLK 57 1/2
VSS 58
VSYNC 59
HSYNC 60
SO 61
FID 62
VDD 63
XIICEN 64
8
4 4
1-4 5 6-9 10
- -

IC501 SN74HC245ANS

20 19 18 17 16
1 2 3 4 5
47
BURST FLAG
CSYNC
SYNC Gen.
and
Sub Carrier
Timing Controller
Gen.
2
SIO and I O-Bus Closed Caption Encoder
(for NTSC)
Controller
Y
Delay
Dempx,
Level
Translator
U
and LPF
Interpolator
4 : 2 : 2 to
V
4 : 4 : 4 LPF
8
11-18
-
15 14 13 12 11
6 7 8 9 10
46 45 44 43 42 41 40
SYNC Slope
Gen.
TEST MODE
Y, C/
Y, U, V
CHROMA
selector and
Modulator
Interpolator
19
– 83 –
-
37-39 36 35 34 33
32 CO
31 AVSS3
10bit
30 AVDD3
DAC
10bit
29 YO
DAC
28 AVSS2
10bit
27 AVDD2
DAC
26 VG
25 VB
24 COMPO
23 AVSS1
22 AVDD1
21 VREF
20 IREF