Troubleshooting - Casio EV-600B Service Manual & Parts Manual

Symptom
No power supply
No picture and
no sound
Picture OK but
no sound
No reception of
VHF or UHF

TROUBLESHOOTING

Cause
Defective power switch (SW100).
Defective DC-DC converter (T100).
Defective tuner (TU200).
Defective Q200.
Defective IC200.
Defective IC300.
Defective IC400.
Defective IC501.
Defective IC200.
Defective IC600.
Defective phone jack (JK600).
Defective tuner (TU200).
Defective IC501.
Defective power switch (SW100).
— 4 —
Solution
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.