Service Modes, Error Messages, and Repair TipsLC13E5.EN 15
5. Service Modes, Error Messages, and Repair Tips
Index of this chapter:Caution: Overriding the 5V protection should only be used for
1. Test Pointsa short period of time. In case of S/W protections (error 4) the
2. Service Modesset will shutdown after 15 sec.
3. Errors
4. The ?Blinking LED? Procedure For recognition, ?SDM? is displayed at the upper right corner of
5. ComPairthe screen.
6. Trouble Shooting Tips
SDM Menu
5.1Test PointsSDM
This chassis is equipped with test points in the service printing.
In the schematics test points are identified with a rectangle box
around Fxxx or Ixxx. On the PCB, test points are specifically
mentioned in the service manual as ?half moons? with a dot in
the centre.
Measurements are performed under the following conditions:
?Video: colour bar signal.
?Audio: 3kHz left, 1kHz right.
CL 36532073_083.eps
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5.2Service Modes
Figure 5-1 SDM Menu
5.2.1 Limited DST Support
Deactivating SDM:
This chassis does still have some limited Dealer Service Tool ?Press the ?EXIT?-button on the DST, or
(DST) support. The set can be put in two service modes via the ?Press 0-0 on the standard RC, or
DST (RC7150, this remote is not available anymore). These ?Switch the set to Standby (the error buffer is NOT cleared).
are the Service Default Mode (SDM) and the Service Alignment
Mode (SAM).Note: When the mains power is switched off while the set is in
SDM, the set will switch to SDM immediately when the mains
Installation Features Dealeris switched on again.
For easy installation and diagnosis, the DTS can be used.
When there is no picture (to access the error code buffer via the The SDM sets the following pre-defined conditions:
OSD), DST can enable the functionality of displaying the ?PAL/SECAM sets: tuning at 475.25 MHz PAL.
contents of the entire error code buffer via the blinking LED ?Volume level is set to 25% (of the maximum volume level).
procedure.Other picture and sound settings are set to 50%.
The dealer can use the RC7150 for programming the TV-set The following functions are switched off in SDM (and after
with presets. Ten different program tables can be programmed leaving SDM):
into the DST via a GFL or MG TV-set (downloading from the ?Timer.
GFL or MG to the DST; see GFL or MG service manuals) or by ?Sleep timer.
the DST-I. For explanation of the installation features of the
DST, the directions for use of the DST are recommended.The following functions are disabled during SDM (and enabled
after leaving SDM)
5.2.2 Service Default Mode (SDM)?Parental lock.
?Blue mute.
Purpose of SDM:?Hospitality Mode.
?To provide a situation with predefined settings to get the ?No-ident Timer (normally the set is automatically switched
same measurements as in this manual.off when no video signal (IDENT) was received for 15
?To start the ?Blinking LED? procedure.minutes).
?To have the possibility to override the 5V protection
All other controls operate normally.
Activating SDM:
Special Functions SDM
?By transmitting the "DEFAULT" command with the RC7150
Dealer Service Tool (this works both while the set is in
normal operation mode or in the SAM).Access to normal user menu
?Standard RC sequence 0-6-2-5-9-6 followed by pressing Pressing the ?MENU? button on the remote control switches
the ?MENU?-button (this works both while the set is in between the SDM and the normal user menus (with the SDM
mode still active in the background).
normal operation mode or in the SAM).
?By shorting pins 5 and 6 of connector 1170 of LED/RC
panel. Then apply DC supply from the AC-DC adaptor (not Channel search
required to remove the metal shielding).Pressing the ?P+? button of the remote control will select the
next available channel in the preset list.
Note: By temporarily shorting pins 5 and 6 of connector 1170
and then applying DC supply from the AC-DC adaptor, the 5V Type nr, Error buffer, etc
protection is disabled.Pressing the ?OSD? or ?info+? button of the remote control
shows/hides the type nr, error buffer, SW ID, Hours and option
codes. OSD can be hidden to prevent interference with
waveform measurements. |
ACEC
PHILIPS
