6-6
5. PWPC
5.1 No Power
Check to CN102 PIN 12=12V
Check Interface Board
Check AC line volt 110V or 220V
OK
NG
OK
Check AC line
Check the voltage of C905(+)
Check F901, bridge rectified circuit
Check start voltage for the PIN 3 of IC901
Check R906, R907, IC901
Check the auxiliary voltage Is between 10V-16V
1) Check IC901,
2) Check Q901, Q902 OVP circuit
NG
OK
Check D910, D911, ZD904
OK
OK
NG
NG
NG
Содержание AccuSync LCD72VM
Страница 4: ...AccuSync TM LCD52VM LCD72VM LCD92VM ...
Страница 28: ...AccuSync LCD52VM AccuSync LCD72VM AccuSync LCD92VM User s Manual ...
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Страница 150: ...9 4 4 AUDIO BOARD BLOCK DIAGRAM MODEL LCD72VM Line In L R Audio Out L R Speaker Audio Amplifier ST TDA7496L 12V ...
Страница 151: ...10 1 SCHEMATIC DIAGRAM TABLE OF CONTENTS Page MAIN BOARD 10 2 AUDIO BOARD 10 7 KEYPAD BOARD 10 8 POWER BOARD 10 9 ...
Страница 164: ...12 1 Revision Revision New Issue 1st Edition 2004 10 20 REVISION HISTORY ...