(3) Clock Accuracy Check (7) Memory backup battery contact check
With the set completely set (with the batteries installed), check that1Install the operating battery and the memory backup battery.
the advancement is within the range below:
2Close the battery cover and perform the data initialize operation.
+0.3~ �0.3sec/day(Close the battery cover. ? Same as pressing the reset SW.)
(conduction: Check environment tempera~t 30ureA = C) 20 3Open the battery cover and remove the operating battery.
(4) Product Impact Check 4Short the check pad between VDD and GND with a resistor of
With the set completely set (with the batteries installed), set to the1Mohm for 2 or 3 sec.
initial screen, drop the set from a height of 10cm to a wooden plate,
and check that there is no abnormalities. 5Use the check pad between Vb/u and GND to measure the back-
up battery voltage with a circuit tester.
(5) Auto Power OFF Check Specifications: Vb/u > 3.0V
Let set alone in "ON" status.
Display maintains original status after 8minutes. VDD
GND
Display disappears after 13 minutes.
Vb/u
* 1: Data Initialize
Press "RESET" switch.
The display shows "PRESS [CL] KEY TO CLEAR ALL DATA
PRESS [ON] KEY TO CANCEL", Press "CL" key.
The display shows "ALL DATA CLEARED
PRESS ANY KEY". Press "CL" key.
Check that only "_" is displayed at the left upper corner.
Under this state, perform the following test.
* 2: Set to "DIAG MODE".
When "RESET" key is pressed, "WAIT" is displayed for
about 4 sec. During that period, keep pressing "2ndF" key
and "ENTER" key simultaneously.
When the display is changed, release the two keys, and
* When the memory backup battery is first installed, the system may
check that the DIAG MENU is displayed. If the DIAG MENU
is not displayed, repeat the procedure until it is displayed.be hung up. Never leave the unit only with the memory backup
battery. (When the operating battery is installed and resetting is
(6) Noise sheet connecting checkonce made, there is no problem.)
Measure the resistance between screw A and screw B in the figure(8) Noise sheet folding.
below and check that the resistance is within the range specified
Before attaching to the bottom cabinet, fold the noise sheet as shown
below.in the figure below, and attach the folded sheet to the bottom cabinet.
R (a-b) < 10 Ohm
Folding direction
Folding line
AB
Folding procedure
(2 positions)
� 14 � |
ACEC
