LG 37LC2RR Series, Service Manual

Page: 24 / 49

2. Time shift sound and Recorded video sound
(1) Symptom
Ø
SOUND doesn’t come out.
(2) Check following
3. Recorded video
(1) Symptom
Ø
Can’t play the recorded video.
(2) Check following
- 24 -
MUTE key on
Is sound cable right?
Connect the speak cable.
Is sound right?
Turn off the mute Key
Are power cables
connected well.
Yes
No
No
Yes
Is 31pin cable right?
No
No
No
Yes
Connect 31p cable.
No
Check speakers.
Are they right?
Yes
Check U13, U14, U1, U7.
Check MSP(IC406), IC404.
Is it right?
Yes
Yes
No
Connect 31pin cabel.
No
Change the ICs
Is it right?
Change the Board
Check 31pin flat cable.
Is it right?
check 40pin, 4pin HDD cable.
Is it right?
Connect cable well
Connect 31pin well.
Check U11, U1 U7
Is it right?
Remove the recorded lists
and record one more time
and play again.
Is it right?
No
Yes 1
Yes 2
Yes
No
Check 2068(IC1206).
Is it right
No
Change the HDD
Is it right.
Change the Board
No
No
No