Toshiba DP120F Service Manual page 636

1.5.7 CLOCK IC TEST
This test checks whether the RTC (IC23) operates normally. After setting the fixed time and
date in the RTC, it reads the time to check the RTC operation.
Use the [ ↑ ] or [ ↓ ] key to select "07. CLOCK IC TEST", and then press the [ENTER] key.
(1)
CLOCK IC TEST
(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 "Chapter 8
Removal/Replacement/Adjustment" on page 8-48.
1.5.8 SCANNER TEST
This test conducts a read/write test on all the areas of the memory contained in the DSC (IC59).
It also turns on and off the LED array contained in the CIS and reads its data to check if the CIS
operates normally.
Use the [ ↑ ] or [ ↓ ] key to select "08. SCANNER TEST", and then press the [ENTER]
(1)
key.
SCANNER TEST
(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 "Chapter
8 Removal/Replacement/Adjustment" on page 8-46 or 8-4.
DP120F/DP125F Troubleshooting
[MENU], [9], [4], [07]
When the test has been
completed normally
CLOCK IC TEST
OK
→
[MENU], [9], [4], [08]
When the test has been
completed normally
SCANNER TEST
OK
→
11-24 March 2000 © TOSHIBA TEC