Diagnostic software descriptions and troubleshootingDVD612 /XX15.GB 23
5.3DISPLAY PCB
key id.key
5.3.1 DISPLAY TEST0PLAY
1NEXT
The display test is performed by nucleus DispDisplay. By 2PREVIOUS
putting a series of test patterns on the local display, the local 3PAUSE
display is tested. To step through all different patterns, the 4STOP
user must either press PLAY (pattern is ok) or PAUSE 5 OPEN/CLOSE
(pattern was incorrect) to proceed to the next pattern. The 6 3D-SURROUND
display of patterns is continued in a cyclic manner until the 7KEY- (Mic Control)
user presses NEXT. If the user presses NEXT before all 8 Once More (Mic Control)
display patterns are tested, the DispDisplay nucleus will 9 KEY+(Mic Control)
return TRUE (display test successful).A STAND BY
CL16532007_007.eps
300101
5.3.2 LED TEST
Figure 5-7
The LED(s) on the DVD player is (are) tested by nucleus
DispLed. The user must check if the LED(s) is (are) lighted;
If any keys are detected more than once (due to hardware
if it is, press PLAY, if it is not, press PAUSE. By pressing
NEXT the script will proceed to the next test. If the user error), the key-code is displayed twice (or more), with the
second digit increased by 1.
presses NEXT before PLAY or PAUSE, the DispLed nucleus
If the user does not press all keys minimally once (in any
will return TRUE (LED test successful).
order), the DispKeys nucleus will return FALSE and cause an
error in the overall result of the player script.
The test will also pass if all buttons, except the microphone
key buttons, are pressed.
The user can leave the keyboard test by pressing the NEXT
key on the local display of the DVD player for at least one full
If OK, press PLAYIf NOK, press PAUSEsecond.
The result of the keyboard test is shown on local display as
follows:
If OK, press PLAYIf NOK, press PAUSE
CL 96532065_009.eps
If OK, press PLAYIf NOK, press PAUSE120799
Figure 5-8
press NEXT to continueCL 96532065_006.eps
120799
Or
Figure 5-5
5.3.3 KEYBOARD TEST
The keyboard of the DVD player is tested by nucleus CL 96532065_010.eps
120799
DispKeyb. The user is expected to press all keys on the local
keyboard once. The code of the key pressed is shown on the
Figure 5-9
local display (1 hexadecimal digit) immediately followed by a
(hexadecimal) number indicating how many times that key
has been pressed. Example of the local display during this Pressing NEXT on the local keyboard again will proceed to
the next text.
test:
5.3.4REMOTE CONTROL TEST
The remote control of the DVD player is tested by nucleus
DispRc. The user must press any key on the remote control
CL 96532065_007.epsjust once. The codes of the key pressed will be shown on the
120799
local display in hexadecimal format. Example:
Figure 5-6
The key-codes displayed on the local display will scroll from
right to left when the display gets full, the text "tb-" will remain
on display.
CL 96532065_011.eps
120799
Figure 5-10
In this example 23 is the hexidecimal code of the pressed RC
key. The user can leave the remote-control test by pressing
NEXT on the local keyboard of the DVD player. The remote |