Service Modes, Error Codes, and Fault FindingEM5.1E5.EN 21
5. Service Modes, Error Codes, and Fault Finding
Index of this chapter:- Auto switch-off (when no video signal was received for
1. Test points10 minutes).
2. Service Modes- Skip/blank of non-favourite pre-sets.
3. Problems and solving tips (related to CSM)- Smart modes.
4. ComPair- Auto store of personal presets.
5. Error Codes- Auto user menu time-out.
6. The blinking LED procedure
7. ProtectionsHow to enter SDM
8. Repair tipsUse one of the following methods:
?Use the standard RC-transmitter and key in the code
"062596", directly followed by the "MENU" button.
5.1Test PointsNote: It is possible that, together with the SDM, the main
menu will appear. To switch it off, push the "MENU" button
The chassis is equipped with test points printed on the circuit again.
board assemblies. They refer to the diagram letters. ?When you shorten for a moment the two solder pads on the
'external part' of the SSB print, with the indication "SDM".
Perform measurements under the following conditions:
Activation can be performed in all modes, except when the
?Service Default Mode.set has a problem with the main-processor.
?Video: colour bar signal.Caution: If the SDM is entered via the pins, all the
?Audio: 3 kHz left, 1 kHz right.
software-controlled protections are de-activated.
?Use the DST-emulation feature of ComPair.
5.2Service Modes?Use the "DEFAULT" button on the Dealer Service Tool
(RC7150).
Service Default Mode (SDM) and Service Alignment Mode
After entering this mode, "SDM" will appear in the upper right
(SAM) offer several features for the service technician, while corner of the screen.
the Customer Service Mode (CSM) is used for communication
between a Philips Customer Care Centre (P3C) and a
customer.How to navigate
When you press the "MENU" button on the RC transmitter, the
set will toggle between the SDM and the normal user menu
There is also the option of using ComPair, a hardware interface
between a computer (see requirements below) and the TV (with the SDM mode still active in the background).
chassis. It offers the ability of structured troubleshooting, test
pattern generation, error code reading, software version How to exit SDM
readout, and software upgrading. Use one of the following methods:
Minimum requirements: a Pentium processor, Windows 95/?Switch the set to STANDBY via the RC-transmitter.
98, and a CD-ROM drive (see also paragraph "ComPair").?Press the "EXIT" button on the DST.
?Via a standard customer RC-transmitter: key in "00"-
Note: In this chassis, two LED configuration are possible: with sequence.
bicoloured LED (red/green) or with separate blue and red
LEDs. The bicoloured version is the one we know from EM5E. 5.2.2 Service Alignment Mode (SAM)
The version with blue LED works slightly different. The blue
LED is controlled by software (via ON_OFF_LED). The red Purpose
LED will light in anti-phase to the blue one, but with a time ?To perform (software) alignments.
delay. This means that if the blue LED is blinking fast, the red ?To change option settings.
LED will stay off. But after the blue LED is "OFF" long enough, ?To easily identify the used software version.
the red LED will go "ON". ?To view operation hours.
So take care: In certain service modes (e.g. blinking LED, ?To display (or clear) the error code buffer.
stepwise start-up, etc.) you must observe the blue LED and
ignore the red LED.Specifications
?Operation hours counter.
5.2.1 Service Default Mode (SDM)?Software version.
?Option settings.
Purpose?Error buffer reading and erasing.
?To create a pre-defined setting, to get the same ?Software alignments.
measurement results as given in this manual.
?To override SW protections.How to enter SAM
?To start the blinking LED procedure.Use one of the following methods:
?Via a standard RC transmitter: key in the code "062596"
Specificationsdirectly followed by the "OSD [i+]" button. After activating
?Tuning frequency: 475.25 MHz for PAL/SECAM.SAM with this method a service warning will appear on the
?Colour system: SECAM L for France or PAL B/G for the screen, you can continue by pressing any digit key on the
rest of Europe.RC.
?All picture settings at 50 % (brightness, colour, contrast).?Short for a moment the two solder pads on the 'external
?All sound settings at 50 %, except volume at 25 %. part' of the SSB print, with the indication SAM. Depending
?All service-unfriendly modes (if present) are disabled, like: on the software version it is possible that the service
- (Sleep) timer.warning will appear, you can continue by pressing any digit
- Child/parental lock.key on the RC.
- Blue mute.?Use the DST-emulation feature of ComPair.
- Automatic volume limiter (AVL).?Press the ALIGN button on the DST while the set is in the
normal operation |
ACEC
