Philips HDRW720 Service Manual page 77

Example
5.5 Diagnosis of EPG Euro Board
The EPG Board can be diagnosed by the help of a PC tool.
Hardware required:
• Service PC
• one free COM port on the Service PC
• ComPair Interface 4822 727 21631 (and serial cable and
power supply)
• EPG Interface cable 3122 785 90590
5.5.1 Diagnosis procedure
1. Plug the EPG Interface cable to the connector labelled
"VCR" on the ComPair interface. Connect the 3.5mm inline
plug of the EPG Interface cable to the G-Link connector
(Sat Control connector) at the rear side of the DVDR.
2. Power on the DVDR.
3. Browse to the directory that contains the needed diagnosis
software. The directory should contain 2 files:
• "Inbox.exe"
• "loader.bin"
4. Execute the program Inbox.exe. The following screen
appears:
5. Press Button "Set Ready"
Diagnostic Software
Busy executing NUC601 16-28
Busy executing NUC700 17-28
Device type of the link layer IC: ffc00301
Busy executing NUC701 18-28
Device type of the phy layer IC: 0
Busy executing NUC702 19-28
Busy executing NUC703 20-28
Busy executing NUC801 21-28
Busy executing NUC808 22-28
The IIC acknowledge was not received, which is correct
Busy executing NUC900 23-28
Busy executing NUC1101 24-28
Busy executing NUC1102 25-28
Busy executing NUC1104 26-28
Busy executing NUC1105 27-28
Busy executing NUC1111 28-28
BootCode checksum is: 0xBABE6240, which is correct
Diagnostics checksum is: 0xBABEDC9A, which is correct
Download checksum is: 0xBABEA6B7, which is correct
Application checksum is: 0xBABE5968, which is correct
PASS
DS:>
HDRW720/0x, DVDR725H/0x
6. Make a reset of the EPG Board by connecting 2 pins on the
EPG Board for a short moment by means of a pair of
tweezers.
Connect to
Reset
7. The diagnosis procedure should now take place and tests
of the main components of the board are performed.
5. EN 77