Panasonic CW-XC244HU - Manual (Page 21)

Is the Trans output power the
same as specified?
Is the Trans output power
about AC 14V?
Is shorted the Trans. output?
Is output Voltage of IC01D
DC 12V?
Is output Voltage of IC02D
DC 5V?
Is the voltage No.18 of Micom
DC 5V?
Replace Main P.C.B Ass'y.
Is the
connection between
Main and Display
all right?
Is the reset circuit all right?
(The No.18 of Micom
is 5V.)
• Check the Fuse.
• Check the wiring diagram.
• Check the Main
P.C.B pattern.
• Replace the Trans.
• Replace D02D~D05D.
• Replace IC01D.
• Replace IC02D.
• Replace IC01A, IC02A.
• Connect connector
exactly.
• Check the P.C.B
pattern.
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
ELECTRIC PARTS TROUBLESHOOTING GUIDE:
Possible Trouble 1 • The unit does not operate.
—21—