LG bh9530tw home theater no power

[badcaps_naji]

Re: LG home theater no power

Service manual LG BH9530TW

Thank you sir

your manual fixed my problem

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M_naji_1989

[DjKrish]

Re: LG home theater no power

Hi DjKrish
I have the same problem
please tell me what is the name of both IC

hi it is

spw11n80c3

[lotas]

Re: LG home theater no power

hi
what are the names of IC's

Service manual LG BH9530TW

[badcaps_naji]

Re: LG home theater no power

Hi DjKrish
I have the same problem
please tell me what is the name of both IC

[badcaps_naji]

Re: LG home theater no power

eax63689124 smps

[badcaps_naji]

Re: LG home theater no power

hi
what are the names of IC's

[Khron]

Re: LG home theater no power

Glad to hear that!

[Rain0989]

Re: LG home theater no power

Thank you all guys

After changing the two diodes D922 & D923 the theatre is fully working

[JOMISERVICE]

Re: LG home theater no power

Here is the sch you need
https://drive.google.com/file/d/11YR...ew?usp=sharing

[Rain0989]

Re: LG home theater no power

PJ5016 Br210 I believe PJ= Panjit 5016= date code

I have ordered them and change the two diodes and write here again

[R_J]

Re: LG home theater no power

PJ5016 Br210 I believe PJ= Panjit 5016= date code

[Rain0989]

Re: LG home theater no power

Precisely on the voltage rail that the feedback is taken from. No wonder the thing won't start

?

[Rain0989]

Re: LG home theater no power

what are the numbers on the diodes, they should have numbers printed on them.

d922 & d923 = pj5016 br210

[Khron]

Re: LG home theater no power

Precisely on the voltage rail that the feedback is taken from. No wonder the thing won't start

I tested the diodes with my multimeter. d922, d923 are faulty. The others are OK.

Which values have d922, d923 ? When i know this i can buy 2 new ones.

[R_J]

Re: LG home theater no power

What are the numbers on the diodes, they should have numbers printed on them.

[Rain0989]

Re: LG home theater no power

D925, d922, d923, d924, d926, d905, d904, d901

I tested the diodes with my multimeter. d922, d923 are faulty. The others are OK.

Which values have d922, d923 ? When i know this i can buy 2 new ones.

[Rain0989]

Re: LG home theater no power

What are the voltages that you measure on CN901:
pins 5,6
pin 8
pin 9,10
pin 13,14

Is there any voltage on CN902 pins 1,2,3

pin 1 = 8,3
pins 5,6 = 0
pin 8 = 0
pin 9,10 = 0
pin 13,14 =1,6 & 1,6

[R_J]

Re: LG home theater no power

What are the voltages that you measure on CN901:
pins 5,6
pin 8
pin 9,10
pin 13,14

Is there any voltage on CN902 pins 1,2,3

[Khron]

Re: LG home theater no power

D925, d922, d923, d924, d926, d905, d904, d901

[Rain0989]

Re: LG home theater no power

https://en.wikipedia.org/wiki/Silicon

"Not to be confused with the silicon-containing synthetic polymer silicone."

https://en.wikipedia.org/wiki/Silicone

Start with the ones on the secondary side, connected to that transformer. Then the ones on the primary side.

Here is another picture. Which ones you mean?