Service Manual
33
Backlight on, key function and LED accurate indication ok but no picture
Backlight on, key function and LED
accurate indication ok but no picture
Is there R.G.B signal in
U105 #13, #10 #8?
Is the panel enable
signal at 28# of
U105,if no check
Q104 circuit or change
U105,if yes Check
Q101 circuit
Check DC 5.0V on
CN101#1, #2,
Are there data output on
U105#105~#114,
#118~#127
Change U105
END
Change D103,
D104 & D105
YES
YES
VGA
YES
NO
NO
NO
Is the display is white and cannot
display OSD when press key?
Yes
Is the FFC cable
inserting ok,if no
reinsert else
change FFC cable
No
Is display selftest picture at
VGA mode?
Содержание E1709W
Страница 1: ...Service Manual 0 Service Manual LCD Monitor E1709W ...
Страница 17: ...Service Manual 16 8 Key Parts Pin Assignments 8 1U105 TSUM1PER LF 2 ...
Страница 18: ...Service Manual 17 ...
Страница 58: ...Service Manual 57 Attachment 3 PCB Layout power inverter bd Power inverter bd Top Layer ...
Страница 59: ...Service Manual 58 Bottom Layer ...
Страница 60: ...Service Manual 59 I F board Top Layer ...
Страница 61: ...Service Manual 60 Bottom Layer ...
Страница 62: ...Service Manual 61 Keypad Top Layer Bottom Layer ...