Toshiba ESTUDIO170F, Service Manual

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11
January 2005 © TOSHIBA TEC e-STUDIO170F Troubleshooting
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[ 10 ] SCANNER TEST [MENU], [9], [4], [10]
This test conducts a read/write test on all the areas of the memory contained in the DSC (IC27).
It also turns on and off the LED contained in the CIS and reads its data to check if the CIS operates nor-
mally.
1) Use the [ Ç ] or [ È ] key to select “10. SCANNER TEST”, and then press the [ENTER] key.
2) When you complete the test, press the [STOP] key to return to the standby mode screen.
3) Depending on the result of the test, replace the Main PBA or CIS by referring to P.8-12 "[ 2 ] Main
PBA" P.8-18 "[ 3 ] CIS".
[ 11 ] CODEC TEST [MENU], [9], [4], [11]
This test codes 10 lines of data in MH or JBIG format and decodes the data. Then it compares the
decoded result with the original data to check if the CODEC (IC16) operates normally.
1) Use the [ Ç ] or [ È ] key to select “11. CODEC TEST”, and then press the [ENTER] key.
2) When you complete the test, press the [STOP] key to return to the standby mode screen.
3) Depending on the result of the test, replace the Main PBA by referring to P.8-12 "[ 2 ] Main PBA".
SCANNER TEST
When the test has been
completed normally
SCANNER TEST
OK
CODEC TEST
When the test has been
completed normally
CODEC TEST
OK