EN 125.FTP2.4E AAService Modes, Error Codes, and Fault Finding
5. Service Modes, Error Codes, and Fault Finding
Index of this chapter:- Smart modes.
5.1 Test Points- Auto store of personal presets.
5.2 Service Modes- Auto user menu time-out.
5.3 Problems and Solving Tips (related to CSM)
5.4 ComPairHow to activate SDM
5.5 Error CodesUse one of the following methods:
5.6 The Blinking LED ProcedureUse the standard RC-transmitter and key in the code
5.7 Protections?062596?, directly followed by the ?MENU? button.
5.8 Repair tipsNote: It is possible that, together with the SDM, the main
5.9 Software Downloadingmenu will appear. To switch it off, push the ?MENU? button
again.
5.1Test Points
The chassis is equipped with test points printed on the circuit
board assemblies.
Perform measurements under the following conditions:
Service Default Mode.
SDM
Video: colour bar signal.
Audio: 3 kHz left, 1 kHz right.
5.2Service Modes
SAM
Service Default Mode (SDM) and Service Alignment Mode
(SAM) offer several features for the service technician, while
the Customer Service Mode (CSM) is used for communication
between a Philips Customer Care Centre (P3C) and a
SW UPGRADENORMAL
customer.MODETV MODE
There is also the option of using ComPair, a hardware interface
between a computer (see requirements below) and the TV E_14620_151.eps
290704
chassis. It offers the ability of structured troubleshooting, test
pattern generation, error code reading, software version read-
Figure 5-1 Service pads
out, and software upgrading.
Minimum requirements: a Pentium processor, Windows 95/
98, and a CD-ROM drive (see also paragraph ?ComPair?).Short for a moment the two solder pads on the SSB, with
the indication ?SDM? (see figure ?Service pads?). Activation
can be performed in all modes, except when the TV has a
Remark: The silk screen printing is not correct for the SAM/
problem with the main microprocessor.
SDM indication. For the correct location of these pins, see
Caution: If the SDM is activated via the pins, all the
figure ?Service pads?.
software-controlled protections are de-activated.
Use the DST-emulation feature of ComPair.
5.2.1 Service Default Mode (SDM)
Use the ?DEFAULT? button on the Dealer Service Tool
(RC7150).
Purpose
To create a pre-defined setting, to get the same How to navigate
measurement results as given in this manual.When you press the ?MENU? button on the RC transmitter, the
To override SW protections.TV will toggle between the SDM and the normal user menu
To start the blinking LED procedure.(with the SDM mode still active in the background).
Specifications
How to exit SDM
Use one of the following methods:
Table 5-1 SDM default settingsSwitch the TV to STANDBY via the RC-transmitter.
Press the ?EXIT? button on the DST.
Default Via a standard customer RC-transmitter: key in ?00?-
RegionFreq. (MHz) systemsequence.
Europe, AP-PAL/Multi475.25PAL B/G
5.2.2 Service Alignment Mode (SAM)
NAFTA, AP-NTSC, LATAM 61.25 (ch. 3) NTSC M
Purpose
All picture settings at 50% (brightness, colour, contrast).To perform (software) alignments.
All sound settings at 50%, except volume at 25%. To change option settings.
All service-unfriendly modes (if present) are disabled, like: To easily identify the used software version.
- (Sleep) timer.To view operation hours.
- Child/parental lock.To display (or clear) the error code buffer.
-Blue mute.
- Automatic volume limiter (AVL).
Specifications
- Auto switch-off (when no video signal was received for
Operation hours counter.
10 minutes).
- Skip/blank of non-favourite pre-sets.Software version. |