Chapter 4. Program Reset And Srv Mode - Sharp UP-3300 Service Manual

2)
PARTS NAME PARTS CODE
QCNCW7217RC3J
FFC
CONNECTOR
•
How to Insert FFC
(1) Open the slider to unlock position
Open the slider upwards up to an angle of 60 degrees. If the
slider does not fully open, the FFC can not be smoothly inserted.
(2) Insert the FFC
Insert the FFC firmly until the FFC hits the bottom of the connec-
tor's insulator.
FFC
FFC FFC
CONNECTOR
CONNECTOR
(3) Close the slider to lock position
Insert the FFC and then push the slider downward.
FFC
(4) To pull out the FFC, unlock the slider to pull it out in the same
procedures as (1).
9. Note for handling Rear Display PWB
unit
SYSTEM RESET is controlled by the battery-protected CKDC9 (1
chip microcomputer) on the rear display PWB. RESET control be-
comes impossible if the connection cable leading to the MAIN PWB.
Don't disconnect the CABLE when repairing and adding OPTION.
If it is needed to disconnect the CABLE or it is disconnected by
mistake, connect again and carry out SRV RESET.
LOCATION
TOUCH
PWB: CN1
FFC
CONNECTOR
FFC
CHAPTER 4. PROGRAM RESET and
SRV mode
In the UP-3300, the following reset switch (location No: S1) is used to
switch to the service (SRV) mode and to reset.
PROGRAM RESET
Used to return the machine back to its operation state after a lock up
has occured.
PROCEDURE
1) Turn off the AC switch.
2) Set the reset switch to "ON" position.
3) Turn on the AC switch.
4) Set the reset switch to "OFF" position.
5) The reset menu windowis displayed as shown below.
DISPLAY:
Please select
PROGRAM RESET
Touch the [PROGRAM RESET] key.
6) PROGRAM RESET is started.
7) After completion of the program reset, the SRV mode is displayed
as shown below.
DISPLAY:
3 – 8
MASTER RESET
[SRV mode screen]