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8. Time shift sound and Recorded video sound ( DVR BOARD )
(1) Symptom
1) SOUND does not come out.
(2) Follow check
MUTE key on?
No
Is the Sound cable
normally?
No
Connect speak cable
Sound normally?
No
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Only for training and service purposes
Yes
Turn off the mute key.
Yes
Are power cables
connected.
No
Connect power cables
/power B/D.
Yes
Is the 31pin
cable(P1501) normally?
Check the speakers
normally?
Check the MSP(IC1300),
Audio AMP(1301)
normally?
- 24 -
No
Connect the Data
Yes
No
Change the speakers.
Yes
No
Change the ICs
Yes
Change the VSC B/D.
LGE Internal Use Only
cable.
normally?
No
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