LG LPC-LM340X, Руководство по обслуживанию

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- 2-11 -
2. MAIN POWER
Main Power input (AC-cord in)
LCD Display “Hello”
Check the Voltage-selector 110V/230V
(Duble Voltage only)
Check the DC out of C813(+) Check the Fuse Replace the Fuse
Replace the ZD805
Replace the Q810
Check the ZD805 of +13V
Replace the IC801
Check the D602, D604, D605
Check the ZD803, Q807
Check the Q601
Replace the X601, X602
Check the Q810 “E ”
DC Power-output
Check the
D901,D902,D903,D904
Check the DC power output of IC801
pin3 +5.2V
Check the power-output IC601
pin17,54,90?
Check the DC +5.2V output of
Q808 “C”
Check the Reset of IC601
pin11, Q601 “C”
Check the Oscillation of X601,X602
Replace the IC601
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES