Tip & How-To about Cyberhome CH-DVD 300 DVD Player
Symptom: Unit will not power up at all. Power indicator doesn't work.
or after inserting disk, screen says "loading disk" but then
says "bad disk".
Solution: This problem is usually caused by a bad 5Volt power supply.
Check the 5V output of the power supply board. The output
plug is clearly marked. If this 5V is less than 4V, the unit will
not operate. This is caused by defective filter capacitors in the
5V supply. These caps are easily identified. Replace these
two with the same values and the 5V should return to normal.
Note: Because of the confined spaces on the board, only use caps
that are of the same physical size. Capacitors are made in a
varity of hights and diameters with the same electrical
specifications. Do not try to pigtail a larger cap in circuit. The
circuit will not work correctly. I can supply these if you can not
find them locally.
Posted by zappal on
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