NEC Barracuda Service Manual page 108

Pda
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7.6.1.9 RTC
Test equipment: none.
Purpose: Verify the RTC function
Test Method: Waiting for the one second count expires and exit. Display the RTC test pass or fail.
Leave method: Touch pen, Serial port, Home button
--- Provide for RTC test as below.
If test is OK, system will show "Pass" with green color on message display area
If test is failed, system will show "Fail" with red color on message display area
7.6.1.10 VR
Test equipment: none.
Purpose: Show Vcom pattern.
Test Method: Vcom pattern test from customer require (There are 320 gray and black lines interlaced, the
gray scale level is in the middle of black and white.)
Leave method: Touch pen, Serial port, Home button
Barracuda PDA Maintenance
107

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