Author Topic: lg/rz-15la70 (Read 19131 times)

iandmills · « **on:** February 13, 2007,10:38:42 »

standby light on wont switch on can anyone help

Mulja tv repair portal · « **on:** February 13, 2007,10:38:42 »

mulja · « **Reply #1 on:** February 14, 2007,04:17:31 »

Need more information as to what you have checked etc.

iandmills · « **Reply #2 on:** February 15, 2007,13:29:39 »

the 3 and 5 volt lines are present the 15 volt line is also present but it does not discharge after the supply is removed 1 hour after the supply is removed 15 volts is still there.

Mulja tv repair portal · « **Reply #2 on:** February 15, 2007,13:29:39 »

iandmills · « **Reply #3 on:** February 15, 2007,17:32:54 »

it also says on the back of the set rz-15la70 rev a

mulja · « **Reply #4 on:** February 16, 2007,05:01:47 »

Check the voltage on base of Q701 and press the standby button and see if the voltage changes. If it changes you should have -15v, +15v, +12v, 3.3v and 5.5v. If this happens then your power supply and microprocessor are ok the set is coming out of standby and your fault lies elsewere.

iandmills · « **Reply #5 on:** February 17, 2007,14:54:40 »

i have downloaded the circuit diagram and it looks nothing like the set i have it shows the main board and psu on one board the set i have has a seperate psu from the main board,now i am a bit confused because rz15 la70 is the modle number on the set any ideas.
man thanks ian

Mulja tv repair portal · « **Reply #5 on:** February 17, 2007,14:54:40 »

mulja · « **Reply #6 on:** February 18, 2007,04:21:55 »

Can you supply chassis no e.g. ML-024E or picture of
chassis

iandmills · « **Reply #7 on:** February 18, 2007,13:40:47 »

cant find a chassis number but here are a couple of pics
[link=../../e107_files/public/1171967948_1_FT0_1171737647_547_ft160_picture_013.jpg][img:width=100&height=75]../../e107_files/public/1171967948_1_FT0_1171737647_547_ft160_picture_013_.jpg[/img][/link]

[link=../../e107_files/public/1171968023_1_FT0_1171737647_547_ft160_picture_012.jpg][img:width=100&height=75]../../e107_files/public/1171968023_1_FT0_1171737647_547_ft160_picture_012_.jpg[/img][/link]

wock · « **Reply #8 on:** February 19, 2007,17:38:40 »

try removing and refiting the micom
the ic in the holder on the main pcb these gave a lot of problems during production

Mulja tv repair portal · « **Reply #8 on:** February 19, 2007,17:38:40 »

Mulja tv repair portal

News: