(2)Flashing in green.
(3)Flashing in Amber.
Is the back-light on?
YES
NO
Is the INV-SW output 5V-level
at each Pin12 of the J821 and
J820 connector? (PH connector)
Is the BRIGHT output about 12V
level at each Pin14 of the J821
and J820 connector?
(PH connector)
*
Voltage range : 10~14V
YES
NO
NO
IC300 and peripheral circuits
are out of order.
(PWB-MAIN)
YES
Is the following two harness
connected?
-Between PWB-SUB(SET) and
INVERTER (J821-INVERTER)
(J820-INVERTER)
-Between back-lights and
INVERTER
YES
NO
Poor harness connection.
Inverter
or
back-light of LCD-
panel
are out of order.
If POWER switch is
pushed, does LED
become green?
Skip to the above-mentioned
“
(2) Flashing in green
” .
NO
YES
IC300 and peripheral circuits
are out of order.
(PWB-MAIN)
IC300 and peripheral circuits
are out of order.
(PWB-MAIN)
Skip to “
2. No picture
displayed and picture
errors.
”
Page 40
MODELS: LT-2220
/ LT-2240 /
LT-3020
/ LT-3040 / LT-3050
Содержание LT-2220
Страница 2: ......
Страница 4: ...Page 4 MODELS LT 2220 LT 2240 LT 3020 LT 3040 LT 3050 ...
Страница 6: ...Page 6 MODELS LT 2220 LT 2240 LT 3020 LT 3040 LT 3050 ...
Страница 10: ...Page 10 7 CHASSIS BASE DISASSEMBLY PROCEDURE LT 22XX CONTINUED MODELS LT 2220 LT 2240 LT 3020 LT 3040 LT 3050 ...
Страница 11: ...Page 11 8 LCD 9 PANEL DISASSEMBLY PROCEDURE LT 22XX CONTINUED MODELS LT 2220 LT 2240 LT 3020 LT 3040 LT 3050 ...
Страница 18: ...Page 18 DISASSEMBLY PROCEDURE LT 30XX CONTINUED 9 CHASSIS REAR MODELS LT 2220 LT 2240 LT 3020 LT 3040 LT 3050 ...
Страница 22: ...MODELS LT 2220 LT 2240 LT 3020 LT 3040 LT 3050 ...
Страница 56: ......