Service Modes, Error Codes, and Fault Finding FM23, FM24, FM335.EN 27
White line around picture elements and textWhen this is not the case, ComPair will guide you through
Decrease the "sharpness" value when the picture improves the faultfinding tree by asking you questions (e.g. Does the
after you have switched on the Customer Service Mode. The screen give a picture? Click on the correct answer: YES /
new value is automatically stored.NO) and showing you examples (e.g. Measure test-point
F7 and click on the correct oscillogram you see on the
Snowy picture and/or unstable pictureoscilloscope). You can answer by clicking on a link (e.g.
A scrambled or decoded signal is received.text or a waveform picture) that will bring you to the next
step in the faultfinding process.
By a combination of automatic diagnostics and an interactive
Black and white picture
Increase the "colour" value when the picture improves after you question / answer procedure, ComPair will enable you to find
most problems in a fast and effective way.
have switched on the Customer Service Mode. The new value
is automatically stored.
Beside fault finding, ComPair provides some additional
features like:
Menu text not sharp enough
Decrease the "contrast" value when the picture improves after Software upgrading (upload possible to OTC and PW
Scaler).
you have switched on the Customer Service Mode. The new Emulation of the (European) Dealer Service Tool (DST).
value is automatically stored.
If both ComPair and SearchMan (Electronic Service
Manual) are installed, all the schematics and the PWBs of
5.3.2 Sound Problemsthe set are available by clicking on the appropriate
hyperlink.
No sound from left or right speakerExample: Measure the DC-voltage on capacitor C2228
Check item VOLUME in the CSM mode. If value is low, (Schematic/Panel) of the SCAVIO panel. Click on the
increase the volume level. The new value is automatically "Panel" hyperlink to automatically show the PWB with a
stored.highlighted capacitor C2568. Click on the "Schematic"
hyperlink to automatically show the position of the
No sound or sound too loud (after channel change/highlighted capacitor.
switching on)
Increase/decrease the "volume" level when the volume is OK 5.4.3 How to Connect
after you switched on the CSM. The new value is automatically
stored.1. First, install the ComPair Browser software on your PC
(read the installation instructions carefully).
2. Connect an RS232 interface cable between a free serial
5.4ComPair
(COM) port on your PC and the RS232 connector on the
plasma monitor.
5.4.1 Introduction3. Switch the plasma monitor "off" and "on" again (with the
Mains switch).
ComPair (Computer Aided Repair) is a service tool for Philips 4. Start the ComPair program and follow the instructions.
Consumer Electronics products. ComPair is a further
development on the European DST (Dealer Service Tool), Note: once the set is in ComPair mode, the front LED will blink
which allows faster and more accurate diagnostics. ComPair red, at a frequency of 0.3 Hz.
has three big advantages:
ComPair helps you to quickly get an understanding on how 5.4.4 How to Order
to repair the chassis in a short time by guiding you
systematically through the repair procedures.ComPair order codes:
ComPair allows very detailed diagnostics (on I2C level)
and is therefore capable of accurately indicating problem Starter kit ComPair32 software (registration version): 3122
785 60040.
areas. You do not have to know anything about I2C
commands yourself because ComPair takes care of this.Starter kit SearchMan32 software: 3122 785 60050.
ComPair32 CD (update): 3122 785 60070.
ComPair speeds up the repair time since it can SearchMan32 CD (update): 3122 785 60080 (year 2002),
automatically communicate with the chassis (when the
microprocessor is working) and all repair information is 3122 785 60120 (year 2003). If you encounter any
problems, contact your local support desk.
directly available. When ComPair is installed together with
the SearchMan electronic manual of the defective chassis,
Note: The RS232 cable is not included. It is a standard cable
schematics and PWBs are only a mouse click away.(9p sub-D male-to-female) that can be obtained by a computer
store. It is supplied however with the ComPair interface (4822
5.4.2 Specifications727 21631), necessary for servicing other Philips TVs.
ComPair consists of a Windows based faultfinding program,
and an RS232 cable between PC and the (defective) product. 5.5Error Buffer
The ComPair faultfinding program is able to determine the The error code buffer contains all detected errors since the last
problem of the defective monitor. ComPair can gather time the buffer was erased. The buffer is written from left to
diagnostic information in two ways:right. When an error occurs that is not yet in the error code
Automatic (by communication with the monitor): ComPair buffer, it is written at the left side and all other errors shift one
can automatically read out the contents of the entire error position to the right.
buffer. Diagnosis is done on I2C level. ComPair can send
and receive commands to the micro controller of the 5.5.1 How to Read the Error Buffer
monitor, and so can access the I2C bus of the monitor. In
this way, it is possible for ComPair to communicate (read
and write) to devices on the I2C busses of the FTV monitor.Use one of the following methods:
On screen via the SAM (only if you have a picture).
Manually (by asking questions to you): Automatic Examples:
diagnosis is only possible if the micro controller of the
- Errors: 6 0 0 0 0, error code 6 is the last and only
monitor is working correctly and only to a certain extend. detected error. |
ACEC
PHILIPS
