Service Manual
REV 0.1
14
2.1 No Power
No Power
OK
Check the POWER-SWITCH
in the rear of panel
Loosening of the power supply
connector is checked.
Check the power cable
connection
Connect the power cable to the
panel again.
Replace AC power cable or
AC inlet
OK
NG
OK
NG
NG
Replace the POWER-B/D
Fix the connection of cable
Replace the A/D-B/D
1
2
NG
NG
OK
NG
OK
OK
* In case of that 7
th
-pin(Power-ON) of CN4B at SMPS is
High(above 1.2V) but 12
th
-pin(D12V) of CN4B at SMPS
is out of 11.5V~12.5V.
** In case of that 5
th
-pin(
S3.3V
) of CN4B is out of
3V~3.6V(Normal STB3.3V-Voltage).
* In case of that 7
th
-pin(Power-ON) of W200 at A/D-B/D is
High(Over 1.2V) and 12th-pin(D12V) of W200 at SMPS is
11.5~12.5V(Normal Drive-Voltage).
* If the rocker-switch in the rear of the panel sets with ON
but the power-status is standby(LED-color is red for
power-status), please turn the power on by Key pad or
press the power button on the remote control
Turn the POWER-SWITH
to ‘ON’
OK
OK
OK
Check connections of PWR-B/D
or A/D-B/D
Summary of Contents for KT-LL84ULFX-PD
Page 2: ...Service Manual REV 0 1 2 REVISION HISTORY REVISION DATE NOTE REV0 1 Jun 06 2015 1st issued ...
Page 24: ...Service Manual REV 0 1 24 2 8 No Speaker out from internal speakers ...
Page 25: ...Service Manual REV 0 1 25 2 9 The fault of Remote control ...
Page 26: ...Service Manual REV 0 1 26 2 10 The fault of Key control pad ...
Page 27: ...Service Manual REV 0 1 27 2 11 Image overlap focus or flicker ...
Page 28: ...Service Manual REV 0 1 28 2 12 Brightness defect ...
Page 33: ...Service Manual REV 0 1 33 3 2 Front disassembly 3 2 1 Remove bolts Remove FRONT cover ...
Page 36: ...Service Manual REV 0 1 36 ...
Page 46: ...Service Manual REV 0 1 46 2 Part number 109273 SUB SMPS CN7 AD B D W205 ...
Page 47: ...Service Manual REV 0 1 47 3 Part number 109272 Main SMPS CN4B SUB SMPS CN8 AD Main W200 ...
Page 48: ...Service Manual REV 0 1 48 4 Part number 109271 AD Main W804 5 Part number 109270 AD Main W803 ...
Page 49: ...Service Manual REV 0 1 49 6 Part number 109269 ...
Page 50: ...Service Manual REV 0 1 50 6 Part number 107545 Main SMPS CN4A SUB SMPS CN3 ...
Page 51: ...Service Manual REV 0 1 51 7 Part number 107542 OSD KEY ...
Page 52: ...Service Manual REV 0 1 52 8 Part number 110383 ...
Page 54: ...Service Manual REV 0 1 54 10 Part number 107536 SMPS Converter 11 Part number 107535 ...
Page 55: ...Service Manual REV 0 1 55 12 Part number 108481 ...
Page 56: ...Service Manual REV 0 1 56 41p 13 Part number 108482 ...
Page 64: ...Service Manual REV 0 1 64 10 2 Packaging 10 2 1 Unpacking ...