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A3. Error Detection Process
1.
Check to see if
Fuse is normal
No light and sound
Abnormal
Check D901~D904,
C914, IC901, Q901 etc.
Check to see if the
collector voltage of
D909 is 13.5V
The failure ofhorizontal
unit orN204
Check to see if ,
ZD201 8v,
is normal
Check the control
voltage of Q207 or
CPU power pin
Check IC602 ,ect
Normal
Normal
Normal
Abnormal
Check to see 110V
、
180V
etc. voltage is normal
Test to see all terminal
Resistance of load
Check switch
power unit
Check to see if
rectifying tube
is normal
Check the
Loader
Change
rectifying diode
Abnormal
Normal
Abnormal
Normal
Abnormal
Normal
Abnormal
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Summary of Contents for DX-RCRT20-09
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