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4-12 MICOM
4-12-1 Description
The MICOM used for this K56B Chassis is made by ZILOG (USA).
But Samsung have ordered and installed appropriate soft programs in it.
4-12-2 Precaution
1. In power stand-by, apply power supply to only MICOM and E
Apply power supply to the TV set
Turn ON/OFF the
Picture Switch On or
Remocon Power Switch ON
Samsung Electronics
TIMER LED
TV Power On?
Micom OK
PROM.
2
Check the circumference of the MICOM
1. Check the micom applies power supply to
IC901 pins 22,39.
2. Check the MICOM applies power supply to
No
IC902 pin 8.
3. Check the MICOM keeps IC901 pins 17, 19,
30, 31, 35, 47 ,48, 49,50 HIGH.
4. Check the MICOM oscillates to IC901 Pins
36,37.
5. Check IC901 pin 28 has the HSYNC PULSE.
6. Check IC901 pin 29 has the VSYNC PULSE.
No
Alignment and Adjustments
Check Q904 and CNM01
(Power Board)
4-5
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