Read LG 50PT85-ZB (CHASSIS:PD74A) Service Manual online
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7. Time shift Mode ( DVR BOARD )
(1) Symptom
1) Does not work time shift mode.
2) Can not enter to recorded list.
3) Can not record AV/RF.
2) Can not enter to recorded list.
3) Can not record AV/RF.
(2) Follow check
Is time shift mode on?
Are the cables connected?
(12pin, 4pin,40pin)
Re-insert the Cable.
Change the time shift mode
from off to on.
Yes
No
Yes
Yes
Yes
Yes
Yes
No
Is the Power B/D Is the
operating normally?
Is the Power & Data Cable
normally?(P1500, P1501)
Is the HDD normally?
Check the BU9580KVT
IC(IC1504) normally?
Check the STI1500 IC(IC100), NEC61151F(IC1600),
NEC64015A(IC1901) normally?
Check the power B/D or
Power connector(P901)
Change the power and
Data Cable
Connect 31pin cable.
Change the HDD
normally?
Replace the STI5100, NEC61151F,
NEC64015A normally?
Replace the VSC B/D
Yes
Yes
No
No
No
No
No
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