JVC RX-DP10VBK Service Manual page 35

MB90088 (IC403) : Screen display controller
1. Pin layout
YIN 1 28
VIN 27
2
CIN
3 26
AVcc 4 25
IOUT 24
5
VOC 6 23
Vcc 7 22
EXS 21
8
XS 9 20
HSYNC 10 19
VSYNC 18
11
EXHSYN 12 17
EXVSYN 13 16
Vss 15
14
3.Block diagram
SIN
Serial Input
SCLK
Control
CS
EXHSYN
H/V Separate
EXVSYN
VIN
YIN
CIN
HSYNC
NTSC/PAL
VSYNC
Signal OSC
Display Memory
Control
VRAM
XS
4FSC CLK
EXS
OSC
XD Dot CLK
OSC
EXD
2.Pin functions
Pin No. Symbol
1 YIN
AVss
2 VIN
YOUT
3 CIN
VOUT
4 AVcc
COUT
5 IOUT
CS
6 VOC
SIN
7 Vcc
SCLK
TEST 8 EXS
BOUT
9 XS
ROUT
10 HSYNC
GOUT
11 VSYNC
VOB
12 EXHSYN
XD
13 EXVSYN
EXD
14 Vss
15 EXD
16 XD
17 VOB
18 GOUT
19 ROUT
20 BOUT
21 TEST
22 SCLK
23 SIN
24 CS
25 COUT
26 VOUT
27 YOUT
28 AVss
Each Control, Data
Each Block
Each Block
I/O Function
I Lux signal Input terminal for Superinpause indication
I Composite video signal input terminal for Superinpause indication
I Contrast signal input terminal for Superinpause indication
- Analog power supply terminal
O Color (Lux) signal output terminal
O Character output terminal
- Power supply terminal
I Clock generater outside circuit terminal for color burst
O
O Horizontal signal output terminal
O Vertical signal output terminal
I EXT horizontal signal input terminal
I EXT vertical signal input terminal
- GND
I Dot clock generater outside circuit signal terminal for indication
O
O Character & background signal output terminal
O Color signal (Green, Red, Blue)
I Test signal input terminal
I Shift clock input terminal for serial transmission
I Serial data input terminal
I Chip select terminal
O Contrast signal output terminal
O Composite video signal output terminal
O Lux signal output terminal
- Analog GND terminal
VOUT
Analog SW
YOUT
COUT
Video Signal
OSC
BOUT
ROUT
Output
GOUT
IOUT
Control
VOC
VOB
CGROM
RX-DP10VBK/RX-DP10VSL
RX-DP10RSL
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