Check (F1/3A) for 12V?
Check F1 and peripheral power supply
Check E33/470μF/16V for 5V
F1 is damaged?
Were those
LDO(U10,U13,U16,U18,U19,
etc.)worked normal?
OK
Turn on the TV-set(By button or
remote control)
Check power
supply net
follow F1
Check U6/MCU
1:Power supply(U7、U9))
2:Reset signal
3:Crystal
LDO was damaged
or the loader is in
short circuit
OK
Check U1 for 5V
output
Change U1/MP1410ES-LF or
D17/SK34A-SMA
Check L9/47
μ
H
It’s normal but the
voltage is high
It’s normal but the
voltage is Low
Check Pin No.4 of
U1/MP1410-ES or
change U1
E33 was damaged
or the loader is in
short circuit
Y
N
Y
N
N
Y
Y
N
Y
N
Y
N
1
、
Power supply trouble
Power supply trouble
9 Trouble shooting
9.Trouble shooting
Содержание HL22KN1
Страница 14: ...14 4 DISASSEMBLE AND ASSEMBLE ...
Страница 15: ...15 HL22KN1 KNOCKED DOWN SHOW ...
Страница 16: ...16 ...
Страница 17: ...17 ...
Страница 18: ...18 ...
Страница 19: ...19 5 INSTALLATION INSTRUCTIONS Accessories Remote Control User Manual Battery Audio wire ...
Страница 20: ...20 ...
Страница 21: ...21 ...
Страница 22: ...22 ...
Страница 23: ...23 ...
Страница 24: ...24 6 OPERATION INSTRUCTIONS Basal information 6 1 Front panel controls 6 2 Back panel controls ...
Страница 25: ...25 ...
Страница 26: ...26 6 3 Setting up Your Remote Control ...
Страница 28: ...28 Press the button of OK to quit the factory menu ...
Страница 29: ...8 Electrical Parts 8 1 Connective Wire Photo 8 2 Circuit Diagram ...
Страница 56: ...71 Sincere Forever ...