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C-20CL5
C-20WL5
MAIN PWB IC703(ST93C56-10PC)
1. Symptoms of faulty IC.
Picture and sound obtained, but picture is not normal.
2. Replacement procedure
1) Before replacing the IC, receive a broadcast and to the extent possible, make a note of the memory values indicated in the
table.
2) Switch off the power and disconnect the power cord from the AC outlet.
3) Replace IC703.
4) Reconnect the power cord to AC and switch on the power.
5) Use the remote controller and enter the values noted in above step 1. For items unable to note, use the factory settings
indicated in
the table.
Setting items
Factory settings
MENU1
MENU3
ALL 5 to CHO2
i
j
3
{
eth
aca
che
At
i end
ea
Ss
aM
ADR e e i F a
Sin Ho
CANCEL ON
7:00 PM
OFF 10:00 PM
CHO02 <NO>
(No.50842) 9
MENU7
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