Toshiba DP120F, Service Manual

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March 2000 © TOSHIBA TEC 11-27 DP120F/DP125F Troubleshooting
1.6 MAINTENANCE [MENU], [9], [5]*
(* The keystrokes given reflect continuous Service Mode operation, they will vary slightly for
single use operation.)
The MAINTENANCE mode is used to perform memory initialize / write, and special setting of
this machine.
(2) Use the [
↑
] or [
↓
] key to select desired item, and then press the [ENTER] key.
(3) When initialization is complete, the display returns to the standby mode screen.
PIX MEMORY
Initializes only the image memory (PIX memory.) The memory chips to be initialized are
the DRAM chips on the Main PBA and Memory PBA (DP120F only.)
EXCEPT USER AREA
Initializes the memory portion except the data registered by the user. The memory chips
to be initialized are DRAM's and SRAM's.
ALL
Initializes all the data.
<Remarks> Following a shortcut operation is prepared for memory clear of ALL.
• Turn the power ON while Depressing the [1], [3] and [*] keys at the same
time.
USER AREA
Initializes only that data registered by the user. The memory chips to be initialized are
SRAM's.
1.6.1 MEMORY CLEAR [MENU], [9], [5], [01]
This function is used to initialize data in memory. This procedure must be performed when the
Main PBA is replaced or installed. Data cannot be recovered after the memory clear; therefore,
be sure to print the appropriate lists beforehand.
(1) Use the [
↑
] or [
↓
] key to select "01.MEMORY CLEAR," and then press the [ENTER] key.
MEMORY CLEAR
1.PIX MEMORY
2.EXCEPT USER AREA
3.ALL
MEMORY CLEAR
2.EXCEPT USER AREA
3.ALL
4.USER AREA
01.MEMORY CLEAR
02.SET FUNCTION
03.MEMORY WRITE
04.SET CONT. LEVEL
↓
05.ERR COUNTER SHIFT
06.EDGE REGISTRATION
07.DOC. TRANSMISSION
08.FUSER SETTING