LG 42LC2RR - DVR Troubleshooting; Time Shift Mode Issues

<DVR Board>
1. Time shift Mode
(1) Symptom
Ø Doesn’t work time shift mode.
Ø Can’t enter to recorded list.
Ø Can’t record AV/RF.
(2) Check following
- 23 -
Is time shift mode on?
Are the cables connected well?
(12pin, 4pin, 400pin)
Insert cables well.
No
No
HDD jumper is located
in Master?
Yse
Power B/D works well?
Yes
Yes
Change power B/D
No
Place jumper to
maste position.
No
31pin flat cables are
connected well?
Yes
Connect 31pin cabel.
No
Check U1, U7, U11.
Are these ICs wrong?
Yes
Change ICs.
Yes
Change the DVR B/D.
No
Change the HDD.
Is it right?
No
Change time shift
mode from off to on.