Sharp UP-3300 (serv.man16) Service Manual ▷ View online
5. Conditions for soldering circuit parts
To solder the following parts manually, follow the conditions described below.
PARTS NAME
PARTS CODE
LOCATION
CONDITIONS FOR SOLDERING
Ceramic oscillator
RCRMZ7002RCZZ
MAIN PWB: X1 (8M)
270°/3sec.
RCRMZ7004RCZZ
MAIN PWB: X2 (7.37M)
270°/3sec.
6. Note for handling of Touch panel
•
The transparency of the touch panel should be vitally important.
Do not put finger prints or water print on the surface. Use clean
finger such or gloves and masks.
Do not put finger prints or water print on the surface. Use clean
finger such or gloves and masks.
•
For handling, do not hold the transparent are, and do not hold the
heat seal connector section to assure reliability.
heat seal connector section to assure reliability.
•
Do not overlay touch panels. The edge may damage the surface.
•
Do not put a heavy thing on the touch panel.
•
Do not apply a strong shock, and do not drop it.
•
When attaching the protection film again, carefully check for no
dirt. If there is any dirt, it is transferred.
dirt. If there is any dirt, it is transferred.
•
To clean dirt on the surface, use dry, soft cloth or a cloth immersed
in ethyl alcohol.
in ethyl alcohol.
•
Check that the housing does not give stress to the touch panel.
•
Be careful not to touch the touch panel with tools.
•
The heat seal section is easily disconnected. Be careful not to give
a stress to the heat seal section when installing.
a stress to the heat seal section when installing.
•
The touch panel is provided with an air groove to make the exter-
nal and the internal air pressure equal to each other. If water or oil
is put around the air groove, it may penetrate inside. Be careful to
keep the air groove away from water and oil.
nal and the internal air pressure equal to each other. If water or oil
is put around the air groove, it may penetrate inside. Be careful to
keep the air groove away from water and oil.
•
Input is performed with fingers. Do not use a hard thing for input-
ting.
ting.
7. Note for handling of LCD
•
The LCD elements are made of glass. BE careful not to give them
strong mechanical shock, or they may be broken. Use extreme
care not to break them.
strong mechanical shock, or they may be broken. Use extreme
care not to break them.
•
If the LCD element is broken and the liquid is leaked, do not lick it.
If the liquid is attached to your skin or cloth, immediately clean with
soap.
If the liquid is attached to your skin or cloth, immediately clean with
soap.
•
Use the unit under the rated conditions to prevent against damage.
•
Be careful not to drop water or other liquid on the display surface.
•
The reflection plate and the polarizing plate are easily scratched.
BE careful not to touch them with a hard thing such as glass,
tweezers. Never hit, push, or rub the surface with hard things.
BE careful not to touch them with a hard thing such as glass,
tweezers. Never hit, push, or rub the surface with hard things.
•
When installing the unit, be careful not to apply stress to the LCD
module. If an excessive stress is applied, abnormal display or
uneven color may result.
module. If an excessive stress is applied, abnormal display or
uneven color may result.
8. Cautions on handling connectors
When connecting or disconnecting the following connectors, follow
the procedures below.
the procedures below.
1)
PARTS NAME
PARTS CODE
LOCATION
FFC
CONNECTOR
CONNECTOR
QCNCW7207RC4J
MAIN PWB: CN6
TOUCH PWB: CN5
TOUCH PWB: CN5
•
How to Connect or Disconnect FFC
(1)
Open the slider to unlock position
The slider will open only up to a fixed height (about 1.2mm). If
you forcibly pull up the slider further, it may be dropped.
you forcibly pull up the slider further, it may be dropped.
(2)
Insert the FFC
Insert the FFC firmly untill the FFC hits the bottom of the
connector’s insulator.
Insert the FFC firmly untill the FFC hits the bottom of the
connector’s insulator.
(3)
Close the slider to lock position
Insert the FFC and then push the slider downward.
Insert the FFC and then push the slider downward.
Slider
1.2mm
UNLOCK
FFC
FFC
CONNECTOR
FFC
CONNECTOR
FFC
CONNECTOR
FFC
Slider
LOCK
3 – 7
2)
PARTS NAME
PARTS CODE
LOCATION
FFC
CONNECTOR
CONNECTOR
QCNCW7217RC3J
TOUCH
PWB: CN1
PWB: CN1
•
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.
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
connector’s insulator.
Insert the FFC firmly until the FFC hits the bottom of the
connector’s insulator.
(3)
Close the slider to lock position
Insert the FFC and then push the slider downward.
(4)
To pull out the FFC, unlock the slider to pull it out in the same
procedures as (1).
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.
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.
mistake, connect again and carry out SRV RESET.
FFC
FFC
CONNECTOR
FFC
CONNECTOR
FFC
CONNECTOR
FFC
FFC
3 – 8
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.
switch to the service (SRV) mode and to reset.
NOTE: Do not turn on the MRS switch with the main power
supply switch turned ON;
Otherwise data might be destroyed.
Otherwise data might be destroyed.
PROGRAM RESET
Used to return the machine back to its operation state after a lock up
has occured.
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:
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:
[SRV mode screen]
Please select
PROGRAM RESET
MASTER RESET
4 – 1
CHAPTER 5. MASTER RESET
(All Memory Clear)
There are three possible methods to perform a master reset.
1. MRS-1 (Master resetting 1): Clear the
entire memory and resumes initial
values.
values.
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:
Touch the [MASTER RESET] key.
6) The master reset menu window is displayed as shown below.
DISPLAY:
Touch the [MASTER RESET] key.
7) The secret number input window is displayed as shown below.
DISPLAY:
Enter the secret number for the MASTER RESET-1 and touch
the [ENTER] key.
the [ENTER] key.
Secret number for MRS-1: 11111111
8) MASTER RESET-1 is started.
DISPLAY:
9) After completion of the master reset, the buzzer sounds three
times and the following SRV mode display is shown.
DISPLAY:
[SRV mode screen]
2. MRS-2 (Master resetting 2): Clear the
entire memory and resumes initial
values.
values.
The keyboard must be entered by hand. This reset is used if an
application needs different kyeboard layout other than that supplied
by a normal MRS-1.
application needs different kyeboard layout other than that supplied
by a normal MRS-1.
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:
Touch the [MASTER RESET] key.
Please select
PROGRAM RESET
MASTER RESET
Please select
MASTER RESET
MASTER RESET 2
ENTER PASSWORD
ENTER
CLEAR
0
1
4
7
00
2
5
8
CANCEL
3
6
9
MASTER RESET
Please select
PROGRAM RESET
MASTER RESET
5 – 1
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