http://202.224.189.178/~sgml/viewing/SA-HT822VP/ALL/SVC/s1101000000.html
11.1 Points to check when replacing
When the replacing the Sys Com Timer My-Com (IC6001), surely check the contents of data of a
microcomputer before replacing. When the Program Navi is "ON", take backup before replacing and set
the initial value. *It also carries out atthe time of replacing the P.C.B
(The procedure)
1. Before replacing IC6001, please record and keep the channel of already set-up TV broadcast. The
backup of the program navi is also required since IC6001 already stores the program navi data.
Please surely take the backup when the navi datais "ON".
*The procedure of checking the program navi data without a cassette.
A. Press both "EJECT" and "FF" buttons in the same time for 3 seconds and start the Service
Mode.
B. Push the button of program navi on the remote controller for 5 seconds.
C. The program navi data is shown on the monitor.
D.
2. After replacing IC6001, switch on the power supply of the VIDEO.
3. Short out TL6002 and TL6004 on the main P.C.B by short jumper.
4. Initialise the Sys Com Timer My-Com as below.
5. After that, short out the TL7501 and TL7502 on the main P.C.B. by short jumper twice to make
the factory setting. (Unless carrying out the Factory Setting, the indication of the line-in doesn´t
appear on the FIP panel).
6. After carrying out the procedure 1. to 5. as above please adjust the PG shifter.
http://202.224.189.178/~sgml/viewing/SA-HT822VP/ALL/SVC/s1101000000.html9/3/2004 9:43:33 AM
