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CLD- D925
HECXA1645M (DMYC ASSY : IC702)
- RGB ENCODER
eBlock Diagram
GND2
ROUT
GOUT
BOUT
CVOUT
vcc2
FO
YTRAP
YOUT
COUT
VREF
IREF
75
75
DRIVER ||} ORIVER
R-Y
=
sau
@—®)
QNO1
RIN
GIN
BIN
NC
SCIN
NPIN
BFOUT
YCLPC
SYNCIN
NC
vcci
ePin Function
[No. | PinName
| VO |
1+ [anor
| — | Ground pin except for RGB outputs, composite video output and Y/C output circults.
[2 [an |
la jan
|
Analog RGB signa! input pin.
[4 {en |
fs [nc
=| - | No connection.
|e |scn
=|
| Subcarrier input pin.
| 7 |NPIN
|__| NTSC, PAL mode switching pin. NTSC: VCC
PAL: GND
| 8 [BFouT
— | © [Output pin for monitoring the BF pulse. 75Q load Is not able to drive.
19 |ycurc
|
Y signal clamp time constant pin. Connect a capacitor (0.1 4 F) to ground.
Chroma signal output pin. 750 load Is able to drive
Internal reference voltage pin. Perform to decup with a capacitor (approx. 10 4 F)
Y signal output pin. 75Q load is able to drive
to adjustment pin of intemal filter.
Connect a following resistor in accordance with NTSC/PAL mode to ground.
NTSC : 20kQ(+1%)
PAL : 16kQ(+1%)
Composite video signal output pin. 75Q load Is able to drive.
vcce2
CVOUT
BOUT
GOUT
ROUT
Analog RGB signal output pin. 75 Q load is able to drive.
im
ea
ie
7
| |
Ea
Eee
[1 [etminating te coss color of subcarir frequency element which isincudedinY¥ sina
Pel
n =
Ground pin of AGB outputs, composite video output and Y/C output circuits.
91
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