2008-03-14
LC-19LE430E/UK, LC-22LE430E/UK, LC-26LE430E/UK, LC-32LE430E/UK
49
32
″
TROUBLESHOOTING TABLE
Power unit operation check.
↓
LINE_FILTER_UNIT:
↓
YES
POWER_UNIT
↓
YES
↓
YES
↓
YES
↓
YES
Are the power cord and harness in the unit properly connected?
NO
Connect the power cord and harness properly, and turn on the
power.
Is F9901 F9902 normal?
NO
LINE_FILTER_UNIT:
Isn't TH9901,L9901,L9902,FB9902,FB9901 out of order?
Moreover, whether the short-circuit with the circumference circuit
is checked.
Is C9803 (+395V) output? (Set the main power SW to ON.)
Does the PFC circuit operate normally?
(L9904, Q9801, D9811, IC9801 and etc. And, the circuit around
the protection circuit etc. is checked.)
NO
Is a voltage of +5V applied to pin (12,13) of connector (CN9002)?
(Set the main power SW to ON.)
Does the switching circuit operate normally?
Check circuit around the primary side (T9301, IC9301, R9303,
D9311, etc.), the secondary side (D9301, ZD9311, L9301, etc.),
the AC_DET circuit (R9300, C9321, Q9313 etc.), and the
protection circuit.
NO
Are +12V and +24V output as for the power on/off switch when it is
on?
NO
Does the PFC circuit operate normally?
Check circuit around the primary side (R9142, T9111, Q9121,
Q9122, C9146 etc.), the secondary side (D9121, D9113, D9114,
D9111, D9112 etc.), and the protection circuit.
POWER_UNIT:
BD9901, FB9810, D9811, etc. out of order?
Moreover, whether the short-circuit with the circumference circuit
is checked.
Similarly, is +12V output as for the power on/off switch when it is
on?
Check +12V circuit of D9111, D9112 etc.
NO
Содержание LC-19LE430E
Страница 6: ...LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 6 TV Front view TV Rear view ...
Страница 10: ...LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 10 3 DIMENSIONS Dimension ...
Страница 76: ...LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 76 2 3 U1011 MT5135AE LQFP 128 2 3 1 Block Diagram ...
Страница 78: ...LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 78 PIN DESCRIPTION ...
Страница 79: ...2008 03 14 LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 79 ...
Страница 80: ...LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 80 ...
Страница 81: ...2008 03 14 LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 81 ...
Страница 83: ...2008 03 14 LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 83 Pin FUNCTION ...
Страница 85: ...2008 03 14 LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 85 Pin Description ...
Страница 86: ...LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 86 2 6 U501 TMDS251PAGR TQFP64 2 6 1 Block Diagram ...
Страница 96: ...LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 96 MAIN UNIT Side B ...
Страница 98: ...LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 98 POWER UNIT Side B ...
Страница 100: ...LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 100 POWER UNIT Side B ...
Страница 104: ...LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 104 IR UNIT Side B ...
Страница 173: ...LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 173 ...
Страница 189: ...LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 189 2 CABINET PARTS LC 19LE430E 1 2 3 4 5 6 7 8 9 10 ...
Страница 191: ...LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 191 CABINET PARTS LC 22LE430E 01 02 03 04 05 06 07 08 09 10 ...
Страница 193: ...LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 193 CABINET PARTS LC 26LE430E 1 7 2 3 6 5 4 8 11 9 10 ...
Страница 195: ...LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 195 CABINET PARTS LC 32LE430E 4 1 2 3 5 6 7 8 9 10 ...
Страница 197: ...LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 197 3 SUPPLIED ACCESSOORIES ...
Страница 198: ...LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 198 4 19 PACKING PARTS SHARP ...
Страница 200: ...LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 200 4 22 PACKING PARTS SHARP ...
Страница 202: ...LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 202 26 PACKING PARTS ...
Страница 204: ...LC 19LE430E UK LC 22LE430E UK LC 26LE430E UK LC 32LE430E UK 204 32 PACKING PARTS ...