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Service Manual

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  • Contains Circuit Diagrams
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  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of PHILIPS DVD623/021 Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

The manual is available in languages: English

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Text excerpt from page 24 (click to view)
EN 24


DVD 620 /0X1

Diagnostic Software Descriptions and Troubleshooting

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Figure 5-28 The user can switch between the three different types of groove settings by pressing OPEN/CLOSE (forward to next nucleus in the list In-Mid-Out), or STOP (backward in the list InMid-Out). This is done in a cyclic manner; note that this test will not contribute to the test result of the Basic Engine. Pressing PLAY proceeds to the next test, after the disc motor has been shut off with a call to nucleus BeDiscMotorOff. 5.5.8 Tray Test As a last action for the Basic Engine tests, the tray test is repeated. The local display will look as follows:

Figure 5-31 Only the identification number (decimal) representing set errorbits will be shown. By pressing OPEN/CLOSE or STOP, the user can move forward or backward (respectively) through the logged errorcodes. If the display only shows "EB-0", no error bits were set. By pressing PLAY the user can continue to the next test.


Loop Test (See Table Below)
At the start of the loop test, the local display of the DVD player will show the interactive player test result readout in the following display:

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Figure 5-29 This test is meant to give the user the opportunity to remove the disc in the tray. The tray position can be toggled using the OPEN/CLOSE key. The tray will be closed (by the software, if it is open) before proceeding to the next test when the user presses the PLAY key. 5.5.9 Error Log (See Table on Page 25) Reading the error log and error bits information can be useful to determine any errors that occurred recently during normal operation of the DVD player. Reading the error log is done by nucleus LogReadErr. The display during the errorlog readout looks as follows :

Figure 5-32 The left side of the display contains a 3-digit code, which can have a value between 000 and 111. These values indicate the faulty modules and are to be interpreted as follows:

Displayed Value 000 001 010 011 100 101 110 111

Indication for each module Basic Engine ok ok ok ok faulty faulty faulty faulty Mono PCB ok ok faulty faulty ok ok faulty faulty Display PCB ok faulty ok faulty ok faulty ok faulty
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Figure 5-33
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Figure 5-30 Note: Previous versions of the diagnostic software showed a 8-digit error code. Due to limitations in the number of digits that can be displayed by some front panel displays, the most significant digits will not be shown. This can be done since all the error codes used by this player has set these 2 digits to â00â By pressing OPEN/CLOSE or STOP the user can move forward or backward (respectively) through the logged error codes. If "0000" is displayed at all positions, the error log is empty. Display of the logged errors is done in a cyclic manner. By pressing PLAY on the local keyboard, the user can proceed to the next test. 5.5.10 Error Bits

The loop test will perform the same nuclei as the dealer test, but it will loop through the list of nuclei indefinitely. The display of the DVD player will display not only the three digits indicating correct/faulty modules and the last found error code (as mentioned, faults are detected as far as they can be within the scope of the diagnostic software), but also a loop counter indicating how many times the loop has been gone through. If an error was detected, the display will remain as in figure 5-34 until the user presses the PLAY key and then it will continue to the next loop. Example:

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Figure 5-34 Reading the error bits is done by nucleus LogReadBits. The display during the errorbits readout looks as follows: The 2-digit number (23) on the right of figure 5-32 indicates the number of times the loop test has been performed.

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