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Diagnostic Software, Trouble Shooting And Test Instructions; Error - Philips DVD763SA/001 Service Manual

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EN 22
5.
DVD763SA

5. Diagnostic Software, Trouble Shooting and Test Instructions

5.1
Dealerscript
5.1.1
Purpose of Dealer Script
The dealer script can give a diagnosis on a standalone DVD
player, no other equipment is needed to perform a number of
hardware tests to check if the DVD player is faulty. The
diagnosis is simply a "error" or "pass" message. No indication
is given of faulty hardware modules. Only tests within the scope
of the diagnostic software will be executed hence only faults
within this scope can be detected.
Nucleus
Display
Nucleus
Countdown
Number
7
6
5
4
3
2
1
Press 2 keys simultaneously
<OPEN/CLOSE> + <PLAY>
Connect to mains.
During the test, the following display
is shown: the counter counts down
from the number of nuclei to be run
before the test finishes. Example:
Diagnostic Software, Trouble Shooting and Test Instructions
Nucleus
Name
6
PapChksFl
12
PapI2cDisp
13
PapS2bEcho
11
PapI2cNvram
15
PapNvramWrR
16
CompSdramWrR
63
FURORERSdramWrRLow Pattern test of all locations in the SDRAM(s)
Figure 5-1 Dealer script nuclei
NO
SET O.K.?
YES
Figure 5-2 Dealer Script
5.1.2
Contents of Dealer Script
The dealer script executes all diagnostic nuclei that do not
need any user interaction and are meaningful on a standalone
DVD player.
The nuclei called in the dealer script are the following (the
number after each nucleus name corresponds with the number
being on the local display when the nucleus is executed during
the dealer script):
Calculate and verify checksum of FLASH memory
Checks the I2C interface with the slave processor on
the display board
Checks the I2C interface to the basic engine
Checks the I2C interface with the NVRAM
Pattern test of all locations in the NVRAM
Pattern test of all locations in the SDRAM(s)
To exit DEALER SCRIPT, disconnect from mains
Description
CL 26532053_052.eps
CL 26532053_053.eps
150502
150502

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