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remote control error
signal appears like CH2 of wave-
CS2/RD/WR signals occur?
Samsung Electronics
Key operation or
All power is measured
correctly and front cable is
properly connected?
All clocks(20MHz, 16.9344MHz,
27MHz, 30MHz, 33MHz) of main PCB
oscillate normally?
Yes
Common data bus line
form?
Yes
Play?
E
No
Check all power and front cable
Yes
Check all clock oscillating parts.
No
No
Check short pin out of micomcommon-
No
bus(8 bit)Check short or openingofmi-
com Check solderingofmicom and com-
munication devices
Yes
No
Check DVD1 peripheral unit
Thoubleshooting
5-15
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