DOWNLOAD LG 42LG6000 / 42LG6100 (CHASSIS:LD89F) Service Manual ↓ Size: 23.13 MB | Pages: 27 in PDF or view online for FREE

- 21 -

C

2008

No

Yes

Is

 All input (

m

ode)

no soun

d?

Is Only 

HDMI

no soun

d?

Is

 the output speake

r

tu

rned on?

No

Se

t the 

outpu

t speaker 

on.

Do

wnload the EDID

 data.

No

Is

 a speaker

 

cab

le

 connected?

No

C

onnect the

 speaker

 cab

le

.

Yes

Yes

Is

 On

ly 

R

F

 no 

sound

?

No

C

heck

 the tune

r

SIF

, AM 

Aud

io

 Input.

IC603 is

 O

K

?

No

Re

pl

ace IC60

3 (

M

SP4458)

.

Yes

IC600 is

 O

K

?

No

Re

pl

ace IC60

0(

N

T

P3000A).

Yes

Re

pl

ace VSC board

.

Yes

5. In case of no sound

Symptom

1) 

LED

 is

 g

reen

2)

  Sc

reen disp

lay but soun

d 

is

 not output

Check foll

ow

C

2008

- 22 -

 

 

 

 

 

 

- 25 -

Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by       in the Schematic Diagram and EXPLODED VIEW. 
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. 
Do not modify the original design without permission of manufacturer.