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Special Servicing Procedure
How to replace Memory IC (IC1211)
1. Many data which control circuit on the TV set are memorized in Memory IC.
If the memory IC will be replaced, perform each adjustment and setting by taking the following procedure.
Note :
Memory IC which are supplied through spare parts route have not memorized these data.
2. Automatic Initialization Procedure:
The initial data will be memorized in memory IC from MPU automatically so that the TV set operates basic function and then
TV goes “Market Mode”.
TV goes “Market Mode”.
1) Contact a jumper wire between TPA14 (pin 3 of IC1213) and ground.
2) Turn the TV set on. Memory IC is initialized and TV goes “Market Mode”.
3) Remove a jumper wire.
2) Turn the TV set on. Memory IC is initialized and TV goes “Market Mode”.
3) Remove a jumper wire.
" OK "
Normal
"
− −
"
Abnormal
( A-Board )
Check result of IC
( Check IC or its nearby components )
NVM : IC1211
( T-Board )
TXT : IC3501
( A-Board )
MSP : IC2001
( R-Board )
PIP
: IC1605
( A-Board )
AV
: IC3001
( A-Board )
COMB: IC5501
( X-Board )
DFV : IC771
( W-Board )
EXD1 : IC1806
( W-Board )
EXD2 : IC4102
( A-Board )
TNR1 : 1st Tuner (TNR001)
( A-Board )
TNR2 : 2st Tuner (TNR002)
Red
Yellow
Green
Protectin information
Black line : Normal
or Black Line
Other Colour : Abnormal Voltage,Shout down,Over Current,or V-Stop.
SELFCHECK
NVM
OK
COMB OK
OP1
A6
TXT
OK
DFV
OK
EXD1
OK
EXD2
OK
OP2
09
MSP
OK
OP3
12
OP4
07
OP5
FF
OP6
74
PIP
OK
TNR1
OK
OP7
F6
AV
OK
TNR2
OK
Self Check Function
SELF CHECK is used to automatically check the Bus lines
and Hexadecimal code of the TV set.
Contents of the Self Check is as follows.
and Hexadecimal code of the TV set.
Contents of the Self Check is as follows.
1. Confirmation result for IC function
2. Protection Information
2. Protection Information
Procedure
1. Simultaneously push the OFF TIMER button [
] on the
remote control and the VOLUME DOWN button [ - ] on
the TV set.
the TV set.
2. The TV enters the self-check mode and the result are dis-
played on the screen .
Please note that the program on number will be change
to position “I” Mode automatically.
Please note that the program on number will be change
to position “I” Mode automatically.
3. Press any key to clear the self-check mode and return to
the normal state.
On-Screen for SELFCHECK mode
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