19’’ LCD TV AOC L19W661
32
3. No picture (LED indicator green)
3.No picture/LED is green
Check
scaler board U102
pin1=14V,pin4=1.22V,
pin7=16V,pin8
=5V
No
Check power
Yes
Check if
working voltage
U152,pin2=3.3V
pin3=5V
No
Check circuit around
each regulator and
eliminate short and
open situation
Yes
Check if clock
source X350
Replace X350
No
Yes
Check if
RGB,clk,H/V and
DE signal output 128
bits TTL
No
Try to replace
flash Rom
EEPROM
Check
resistors-network
No
Replace bad resistors-
network
Yes
Yes
Replace LVDS cable
Содержание L19W661
Страница 4: ...19 LCD TV AOC L19W661 4 1 General Specification ...
Страница 5: ...19 LCD TV AOC L19W661 5 2 Operating Instructions 2 1 The Use of Remote Control ...
Страница 23: ...19 LCD TV AOC L19W661 23 2 3 How to Connect ...
Страница 24: ...19 LCD TV AOC L19W661 24 2 4 Front Panel Control Knobs ...
Страница 30: ...19 LCD TV AOC L19W661 30 5 Remove the bezel ...
Страница 34: ...19 LCD TV AOC L19W661 34 6 PCB Layout 6 1 Main Board 5 4 3 2 1 A B C D A B C D 5 4 3 2 1 ...
Страница 35: ...19 LCD TV AOC L19W661 35 6 2 Power Board ...
Страница 36: ...19 LCD TV AOC L19W661 36 5 4 3 2 1 5 4 3 2 1 A B C D E A B C D E ...
Страница 37: ...19 LCD TV AOC L19W661 37 6 3 IR Board 6 4 Key Board ...
Страница 60: ...19 LCD TV AOC L19W661 60 9 3 IR Board ...
Страница 61: ...19 LCD TV AOC L19W661 61 9 4 Key Board ...
Страница 62: ...19 LCD TV AOC L19W661 62 10 Exploded View ...
Страница 92: ...19 LCD TV AOC L19W661 92 ...