ACD1
41
3-
8
. RTC test (NO. 09)
Contents:
Indicates Real Time Clock.
Check if the clock is working.
Example of executing screen
*** 09. RTC
***
OK:[ENTER], NG:[0]
2000. 1. 15(SUN) 3:21:38
[RTC test screen]
Operation
・
Press the [ENTER] key in case of no error or press the [0] key in case of an error.
Check
items
・
Check if the RTC (CPU circuit board: IC013) is installed properly.
・
Check signals between the RTC and CPU (CPU circuit board: IC002).
3-9. LCD test (NO. 10)
Contents:
Check visually if the LCD backlight lights in the order of blue, red, white, OFF and blue.
Check visually if all the dots in the LCD screen repeat ON/OFF.
Example of executing screen
*** 10. LCD
***
Full Dot Test:
OK:[ENTER], NG:[0]
Start LCD Test OK:[ENTER]
Back Light Test:
OK:[ENTER], NG:[0]
[LCD test screen]
Operation
1. Press the [ENTER] key to start the LCD test.
2. Check that the backlight lights in the order of blue, red, white, OFF and blue. Press the [ENTER] key in case of no error or
press the [0] key in case of an error.
3. Check that there is no dot missing throughout the screen. Check also that all the dots repeat ON/OFF. Press the [ENTER]
key in case of no error or press the [0] key in case of an error.
Check
items
・
Check the LCD module and FFC connector (BRG circuit board: CN401) peripheral devices in case of NG.
