Philips 23PF9946/79 _ Philips 23PF9946/98 _ Menu text not sharp enough _ B/W
picture - Snowy picture - White line around the picture elements - Picture too
dark or bright. [Customer Adjustments]
SERVICE MODES
Service Default mode (SDM) and
Service Alignment Mode
(SAM) offers several features for the service technician, while the Customer Service Mode (CSM) is used for communication between the call centre and the customer.This chassis also offers the option of using ComPair, a hardware interface between a computer and the TV chassis. It offers the abilities of structured troubleshooting, error code reading, and software version readout for all chassis.
Service Default Mode (SDM)(SAM) offers several features for the service technician, while the Customer Service Mode (CSM) is used for communication between the call centre and the customer.This chassis also offers the option of using ComPair, a hardware interface between a computer and the TV chassis. It offers the abilities of structured troubleshooting, error code reading, and software version readout for all chassis.
Purpose
* To create a predefined setting for
measurements to be made.
* To override software protections.
* To start the blinking LED procedure.
* To inspect the error buffer.
* To check the life timer.
* To inspect the error buffer.
* To check the life timer.
HOW TO ENTER SDM
* Press the following key sequence on
the remote control transmitter: “062596” directly followed by the MENU button
(do not allow the display to time out between entries while keying the
sequence).
* Short the "Service" jumpers on the TV board during cold start and apply mains (see Figure "Service jumpers"). Then press the mains button (remove the short after start-up).
Caution: Entering SDM by shorting "Service" jumpers will override the +8V-protection. Do this only for a short period. When doing this, the service-technician must know exactly what he is doing, as it could damage the television set.
* Or via compare (Advanced)
* Short the "Service" jumpers on the TV board during cold start and apply mains (see Figure "Service jumpers"). Then press the mains button (remove the short after start-up).
Caution: Entering SDM by shorting "Service" jumpers will override the +8V-protection. Do this only for a short period. When doing this, the service-technician must know exactly what he is doing, as it could damage the television set.
* Or via compare (Advanced)
After entering SDM, the following
screen is visible, with SDM in the upper right corner of the screen to indicate
that the television is in Service Default Alignment Mode.
How to
navigate
Use one of the following methods:
* When you press the MENU button on the remote control, the set will switch on the normal user menu in the SDM mode.
* On the TV, press and hold the VOLUME DOWN and press the CHANNEL DOWN for a few seconds, to switch from SDM to SAM and reverse.
How to exit
Switch the set to STANDBY by pressing the ‘POWER’ button on the remote control transmitter or press the 'POWER' switch on the set.
Use one of the following methods:
* When you press the MENU button on the remote control, the set will switch on the normal user menu in the SDM mode.
* On the TV, press and hold the VOLUME DOWN and press the CHANNEL DOWN for a few seconds, to switch from SDM to SAM and reverse.
How to exit
Switch the set to STANDBY by pressing the ‘POWER’ button on the remote control transmitter or press the 'POWER' switch on the set.
Customer Service Mode (CSM)
Purpose
The Customer Service Mode shows error codes and information on the TV’s operation settings. The call centre can instruct the customer (by telephone) to enter CSM in order to identify the status of the set. This helps the call centre to diagnose problems and failures in the TV set before making a service call.
The CSM is a read-only mode; therefore, modifications are not possible in this mode.
How to enter
To enter CSM, press the following key sequence on the remote control transmitter: “123654” (do not allow the display to time out between entries while keying the sequence). Upon entering the Customer Service Mode, the following screen will appear
Purpose
The Customer Service Mode shows error codes and information on the TV’s operation settings. The call centre can instruct the customer (by telephone) to enter CSM in order to identify the status of the set. This helps the call centre to diagnose problems and failures in the TV set before making a service call.
The CSM is a read-only mode; therefore, modifications are not possible in this mode.
How to enter
To enter CSM, press the following key sequence on the remote control transmitter: “123654” (do not allow the display to time out between entries while keying the sequence). Upon entering the Customer Service Mode, the following screen will appear
How to exit
To exit CSM, use one of the following methods:
* Press the MENU, STATUS/EXIT, or POWER button on the remote control transmitter.
* Press the POWER button on the television set.
To exit CSM, use one of the following methods:
* Press the MENU, STATUS/EXIT, or POWER button on the remote control transmitter.
* Press the POWER button on the television set.
Menu
explanation
1 Indication of the decimal value of the operation hours counter, Software identification of the main microprocessor (see "Service Default or Alignment Mode" for an explanation), and the service mode (CSM= Customer Service Mode).
2 Displays the last five errors detected in the error code buffer.
3 Displays the option bytes.
4 Displays the type number version of the set.
5 Reserved item for P3C call centres (AKBS stands for Advanced Knowledge Base System).
6 Indicates the television is receiving an "IDENT" signal on the selected source. If no "IDENT" signal is detected, the display will read "NOT TUNED"
7 Displays the detected Colour system (e.g. PAL/NTSC).
8 Displays the detected Audio (e.g. stereo/mono).
9 Displays the picture setting information.
10 Displays the sound setting information.
1 Indication of the decimal value of the operation hours counter, Software identification of the main microprocessor (see "Service Default or Alignment Mode" for an explanation), and the service mode (CSM= Customer Service Mode).
2 Displays the last five errors detected in the error code buffer.
3 Displays the option bytes.
4 Displays the type number version of the set.
5 Reserved item for P3C call centres (AKBS stands for Advanced Knowledge Base System).
6 Indicates the television is receiving an "IDENT" signal on the selected source. If no "IDENT" signal is detected, the display will read "NOT TUNED"
7 Displays the detected Colour system (e.g. PAL/NTSC).
8 Displays the detected Audio (e.g. stereo/mono).
9 Displays the picture setting information.
10 Displays the sound setting information.
Problems and Solving Tips Related to CSM
Picture too
dark or too bright
If:
* The picture improves when you press the AUTO PICTURE button on the remote control transmitter, or
* The picture improves when you enter the Customer Service Mode,
If:
* The picture improves when you press the AUTO PICTURE button on the remote control transmitter, or
* The picture improves when you enter the Customer Service Mode,
Then:
1 Press the AUTO PICTURE button on the remote control transmitter repeatedly (if necessary) to choose PERSONAL picture mode.
2 Press the MENU button on the remote control transmitter. This brings up the normal user menu.
3 In the normal user menu, use the MENU UP/DOWN keys to highlight the PICTURE sub menu.
4 Press the MENU LEFT/RIGHT keys to enter the PICTURE sub menu.
5 Use the MENU UP/DOWN keys (if necessary) to select BRIGHTNESS.
6 Press the MENU LEFT/RIGHT keys to increase or decrease the BRIGHTNESS value.
7 Use the MENU UP/DOWN keys to select PICTURE.
8 Press the MENU LEFT/RIGHT keys to increase or
decrease the PICTURE value.
9 Press the MENU button on the remote control transmitter twice to exit the user menu.
10 The new PERSONAL preference values are automatically stored.
1 Press the AUTO PICTURE button on the remote control transmitter repeatedly (if necessary) to choose PERSONAL picture mode.
2 Press the MENU button on the remote control transmitter. This brings up the normal user menu.
3 In the normal user menu, use the MENU UP/DOWN keys to highlight the PICTURE sub menu.
4 Press the MENU LEFT/RIGHT keys to enter the PICTURE sub menu.
5 Use the MENU UP/DOWN keys (if necessary) to select BRIGHTNESS.
6 Press the MENU LEFT/RIGHT keys to increase or decrease the BRIGHTNESS value.
7 Use the MENU UP/DOWN keys to select PICTURE.
8 Press the MENU LEFT/RIGHT keys to increase or
decrease the PICTURE value.
9 Press the MENU button on the remote control transmitter twice to exit the user menu.
10 The new PERSONAL preference values are automatically stored.
White line
around picture elements and text
If:
The picture improves after you have pressed the AUTO PICTURE button on the remote control transmitter, Then:
1 Press the AUTO PICTURE button on the remote control transmitter repeatedly (if necessary) to choose PERSONAL picture mode.
2 Press the MENU button on the remote control transmitter. This brings up the normal user menu.
3 In the normal user menu, use the MENU UP/DOWN keys to highlight the PICTURE sub menu.
4 Press the MENU LEFT/RIGHT keys to enter the PICTURE sub menu.
5 Use the MENU UP/DOWN keys to select SHARPNESS.
6 Press the MENU LEFT key to decrease the SHARPNESS value.
7 Press the MENU button on the remote control transmitter twice to exit the user menu.
8 The new PERSONAL preference value is automatically stored.
If:
The picture improves after you have pressed the AUTO PICTURE button on the remote control transmitter, Then:
1 Press the AUTO PICTURE button on the remote control transmitter repeatedly (if necessary) to choose PERSONAL picture mode.
2 Press the MENU button on the remote control transmitter. This brings up the normal user menu.
3 In the normal user menu, use the MENU UP/DOWN keys to highlight the PICTURE sub menu.
4 Press the MENU LEFT/RIGHT keys to enter the PICTURE sub menu.
5 Use the MENU UP/DOWN keys to select SHARPNESS.
6 Press the MENU LEFT key to decrease the SHARPNESS value.
7 Press the MENU button on the remote control transmitter twice to exit the user menu.
8 The new PERSONAL preference value is automatically stored.
Snowy picture
Check CSM line 6. If this line reads “Not Tuned”, check the following:* Antenna not connected. Connect the antenna.* No antenna signal or bad antenna signal. Connect a proper antenna signal.* The tuner is faulty (in this case line 2, the Error Buffer line, will contain error number 10). Check the tuner and replace / repair the tuner if necessary.
Check CSM line 6. If this line reads “Not Tuned”, check the following:* Antenna not connected. Connect the antenna.* No antenna signal or bad antenna signal. Connect a proper antenna signal.* The tuner is faulty (in this case line 2, the Error Buffer line, will contain error number 10). Check the tuner and replace / repair the tuner if necessary.
Black and
white picture
If:
The picture improves after you have pressed the AUTO PICTURE button on the remote control transmitter, Then:
1 Press the AUTO PICTURE button on the remote control transmitter repeatedly (if necessary) to choose PERSONAL picture mode.
2 Press the MENU button on the remote control transmitter. This brings up the normal user menu.
3 In the normal user menu, use the MENU UP/DOWN keys to highlight the PICTURE sub menu.
4 Press the MENU LEFT/RIGHT keys to enter the PICTURE sub menu.
5 Use the MENU UP/DOWN keys to select COLOUR.
6 Press the MENU RIGHT key to increase the COLOUR value.
7 Press the MENU button on the remote control transmitter twice to exit the user menu.
8 The new PERSONAL preference value is automatically stored.
If:
The picture improves after you have pressed the AUTO PICTURE button on the remote control transmitter, Then:
1 Press the AUTO PICTURE button on the remote control transmitter repeatedly (if necessary) to choose PERSONAL picture mode.
2 Press the MENU button on the remote control transmitter. This brings up the normal user menu.
3 In the normal user menu, use the MENU UP/DOWN keys to highlight the PICTURE sub menu.
4 Press the MENU LEFT/RIGHT keys to enter the PICTURE sub menu.
5 Use the MENU UP/DOWN keys to select COLOUR.
6 Press the MENU RIGHT key to increase the COLOUR value.
7 Press the MENU button on the remote control transmitter twice to exit the user menu.
8 The new PERSONAL preference value is automatically stored.
Menu text not
sharp enough
If:
The picture improves after you have pressed the AUTO PICTURE button on the remote control transmitter, Then:
1 Press the AUTO PICTURE button on the remote control transmitter repeatedly (if necessary) to choose PERSONAL picture mode.
2 Press the MENU button on the remote control transmitter. This brings up the normal user menu.
3 In the normal user menu, use the MENU UP/DOWN keys to highlight the PICTURE sub menu.
4 Press the MENU LEFT/RIGHT keys to enter the PICTURE sub menu.
5 Use the MENU UP/DOWN keys to select PICTURE.
6 Press the MENU LEFT key to decrease the PICTURE value.
7 Press the MENU button on the remote control transmitter twice to exit the user menu.
8 The new PERSONAL preference value is automatically stored.
If:
The picture improves after you have pressed the AUTO PICTURE button on the remote control transmitter, Then:
1 Press the AUTO PICTURE button on the remote control transmitter repeatedly (if necessary) to choose PERSONAL picture mode.
2 Press the MENU button on the remote control transmitter. This brings up the normal user menu.
3 In the normal user menu, use the MENU UP/DOWN keys to highlight the PICTURE sub menu.
4 Press the MENU LEFT/RIGHT keys to enter the PICTURE sub menu.
5 Use the MENU UP/DOWN keys to select PICTURE.
6 Press the MENU LEFT key to decrease the PICTURE value.
7 Press the MENU button on the remote control transmitter twice to exit the user menu.
8 The new PERSONAL preference value is automatically stored.
