GDV 100 D/002Service Test Programme
2. Manual System Test
GBService Test Programme
The Manual System Test is a possibility to check which of the modules
(Keyboard Control Unit, Digital Board or Drive Mechanism) is faulty. In
addition to that, it is possible to check all ERRORS by reading the
The Service Test Programme is divided into 3 different parts:
ERROR log and the ERROR bits, including the ERRORS which have
� Automatic System Test
appeared in the normal use of the DVD-Player. At the end of the
� Manual System Test
Manual System Test a Loop Test is started (the Service Test Levels of
� PC System Test
the Automatic System Test are running in an endless loop).
The basis of these System Tests are the Service Test Levels, which are
For this test the DVD-Player has to be connected to a TV Set (PAL or
carried out automatically with the respective test or can be called up
Multisystem), to control the results of the Service Test Levels.
manually.
To check the results of some Service Test Levels, the System Test
requires interactive actions from the user (e.g. confirmation of a
1. Automatic System Testtestpicture or a testsound). For some levels (e.g. levels for testing the
With the Automatic System Test the hardware of the DVD-Player canDrive Mechanism functions) the DVD-Player has to be opened to
be checked without further equipment.control the function of the moveable components.
During the Automatic System Test the Service Test Levels, which areThe test only checks functions, which can be checked by the Service
listed in the table, are called and executed. If the DVD-Player is faulty,Test Software.
"Error" is shown on the display and the Service Test Levels have to be
executed with the Manual System Test or the PC System Test.
Start of the Manual System Test
Remark: With the Automatic System Test the A/V-MUX-board is not
tested.Press 2 keys simultaneously
<OPEN/CLOSE> + <STOP>
Switch power ON
Start of the Automatic System Test
Interactive Test
Press 2 keys simultaneously
<OPEN/CLOSE> + <PAUSE>Keyboard Control Unit
Switch power ON
Display Test1: DispDisplay
LED Test2: DispLed
During the test, the display shows
D V DKeyboard Test3: DispKeyb
the number of Levels V C D
which have to be tested. 1- 2-3-4-5-6- 7- 8- 9- 10- 11- 12- 13- 14- 15 +Remote Control Test4: DispRc
NOD V DDigital Board
SET OKV C D5: AudioPinkNoisOn/Off
1- 2-3-4-5-6- 7- 8- 9- 10- 11- 12- 13- 14- 15 + (optional)
Sound 1&2 Test6: AudioSinOn
YES
D V DPicture 17: VideoColDencOn/Off
V C D
1- 2-3-4-5-6- 7- 8- 9- 10- 11- 12- 13- 14- 15 +
Basic Engine
To exit Automatic Systemtest, switch power OFF
Version Number8: BeVer
Tray Test9: BeTrayOut/In
Sledge Test10: BeSledgeOut/In
Disc Motor Test11: BeDiscMotorOn/Off
Focus Test12: BeFocusOn/Off
Number NucleusDescriptionRadial Test13: BeRadialOn/Off
on
Jump Test14: BeGroovesIn/Mid/Out
display
Tray Test15: BeTrayOut/In
6PapChksFlCalculate and verify checksum
FLASG memory
Error Log & -Bits16: LogReadErr
5PapDramWrRPattern test of all locations in the
17: LogReadbits
DRAM(s)
4Papl2cDispchecks the I2C interface with theLoop Test
slave processor on the display PCB
3PapS2bEchoChecks the I2C interface to the
basic engineSwitch power OFF to end
player test
2Papl2cNvramChecks the I2C interface with the
NVRAM
1CompSdramWrRPattern test of all locations in the
SDRAM(s)
2.1 Interactive Tests
2.1.1 Keyboard Control Unit
Display Test
Service Test Level: DispDisplay
By showing a series of test patterns on the local display, the local
display is tested. To step through all different patterns, the user must
either press PLAY (pattern is OK) or PAUSE (pattern was incorrect) to
proceed to the next pattern. The display of patterns is continued
cyclically manner until the user presses NEXT.
Note that a different sample pattern is used here to show all different
display patterns. All other pattern in this document are simplified for
essentials.
If the user presses NEXT before all display patterns are tested, it will
cause an error in the overall result of the System Test.
GRUNDIG Service3 - 9
ACEC
