REPAIRING AND NOT THROWING AWAY

REPAIRING AND NOT THROWING AWAY

Richtige Fernseher haben Röhren!

Richtige Fernseher haben Röhren!

In Brief: On this site you will find pictures and technical information about Service Modes, Circuit Diagrams, Firmware Update procedure, Disassemble procedure, Universal remote control set-up codes, Troubleshooting and more....

If you go into the profession, you will obtain or have access to a variety of tech tips databases HERE IT IS Master Electronics Repair !.

These are an excellent investment where the saying: 'time-is-money' rules. However, to learn, you need to develop a general troubleshooting approach - a logical, methodical, method of narrowing down the problem. A tech tip database might suggest: 'Replace C536' for a particular symptom. This is good advice for a specific problem on one model. However, what you really want to understand is why C536 was the cause and how to pinpoint the culprit in general even if you don't have a service manual or schematic and your tech tip database doesn't have an entry for your sick TV or VCR.

While schematics are nice, you won't always have them or be able to justify the purchase for a one-of repair. Therefore, in many cases, some reverse engineering will be necessary. The time will be well spent since even if you don't see another instance of the same model in your entire lifetime, you will have learned something in the process that can be applied to other equipment problems.
As always, when you get stuck, checking out a tech-tips database may quickly identify your problem and solution.In that case, you can greatly simplify your troubleshooting or at least confirm a diagnosis before ordering parts.

Happy repairing!
Today, the West is headed for the abyss. For the ultimate fate of our disposable society is for that society itself to be disposed of. And this will happen sooner, rather than later.

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Wednesday 27 March 2019

PHILIPS 32PFL4606 SERVICE DEFAULT MODE {SDM} SERVICE ALIGNMENT MODE {SAM}

PHILIPS 32PFL4606   SERVICE DEFAULT MODE {SDM}   SERVICE ALIGNMENT MODE {SAM}




TO ENTER SERVICE DEFAULT MODE

  • Set linear video and audio settings to 50%, but volume to 25%. Stored user settings are not affected.
  • Set Smart Picture to “Game”.
  • Set Smart Sound to “Standard”.
  • Tune channel to:


* for analogue SDM: channel 3 (61.25 MHz)
* for digital SDM: channel 26 (545.143 MHz).
* For digital SDM: set PID default from the stream.
* All service-unfriendly modes (if present) are disabled, since they interfere with diagnosing/repairing a set. These service unfriendly modes are:
  • (Sleep) timer.
  • Blue mute/Wall paper.
  • Auto switch “off” (when there is no “ident” signal).
  • Hotel or hospital mode.
  • Child lock or parental lock (manual or via V-chip).
  • Skipping, blanking of “Not favourite”, “Skipped” or “Locked” presets/channels.
  • Automatic storing of Personal Preset or Last Status settings.
  • Automatic user menu time-out (menu switches back/OFF automatically.
  • Auto Volume leveling (AVL).
TO ACTIVATE SDM
use one of the following methods:
  1. Press the following key sequence on the RC transmitter: “062596” directly followed by the MENU button.
  2. Short one of the “Service” pads on the TV board during cold.

Caution: When doing this, the service-technician must know exactly what he is doing, as it could damage the television set.
Note: the SDM pin is located under the heat sink.

TO ACTIVATE DIGITAL SDM
  • Press the following sequence on the RC transmitter: “062593” directly followed by the MENU button.

ON SCREEN MENU
After activating SDM, the following items are displayed, with “SDM” in the upper right corner of the screen to indicate that the television is in Service Default Mode.
Menu items and explanation:
  • xxxxx: Operating hours (in decimal).
  • AAAAAAB-XX.YY: Software Identification, Version, and Cluster for the SW name definition.
  • ERR: Shows all errors detected since the last time the buffer was erased in format <xxx> <xxx> <xxx> <xxx> <xxx> (five errors possible).
  • OP: Used to read-out the option bytes. Ten codes (in two rows) are possible.
TO NAVIGATE
As this mode is read only, there is not much to navigate. To switch to other modes, use one of the following methods:
  • Command MENU from the user remote will enter the normal user menu (brightness, contrast, color, etc...) with “SDM” OSD remaining, and pressing MENU key again will return to the last status of SDM again.
  • To prevent the OSD from interfering with measurements in SDM, command “OSD” or “i+” (“STATUS” or “INFO” for NAFTA and LATAM) from the user remote will toggle the OSD “on/off” with “SDM” OSD remaining always “on”.
  • Press the following key sequence on the remote control transmitter: “062596” directly followed by the INFO[i+]/OK button to switch to SAM (do not allow the display to time out between entries while keying the sequence).
TO EXIT
Switch the set to Stand-by.
  • pressing the standby button on the remote control transmitter or on the television set, or
  • via a standard RC-transmitter by keying the “00” sequence.  If you switch the television set “off” by removing the mains (i.e., unplugging the television), the television set will remain in SDM when mains is re-applied, and the error buffer is not cleared.  The error buffer will only be cleared when the “clear” command is used in the SAM menu.
NOTE:
  • If the TV is switched “off” by a power interrupt while in SDM, the TV will show up in the last status of SDM menu as soon as the power is supplied again. The error buffer will not be cleared.
  • In case the set is accidentally in Factory mode (with an “F” displayed on the screen), pressing and holding “VOL-“ button for 5 seconds and then followed by pressing and holding the “CH-” button for another 5 seconds should exit the Factory mode.
SERVICE ALIGHNMENT MODE [SAM]

PURPOSE
  1. To change option settings.
  2. To display / clear the error code buffer.
  3. To perform alignments.
SPECIFICATIONS
  • Operation hours counter (maximum five digits displayed).
  • Software version, error codes, and option settings display.
  • Error buffer clearing.
  • Option settings.
  • Software alignments (White Tone).
  • NVM Editor.
  • Set screen mode to full screen (all content is visible).
  • Set Smart Picture to “Game”.
TO ACTIVATE
Press the following key sequence on the remote control transmitter: “062596” directly followed by the INFO[i+] /OK button. Do not allow the display to time out between entries while keying the sequence.  Or via ComPair.

TO NAVIGATE
  • In the SAM menu, select menu items with the UP/DOWN keys on the remote control transmitter. The selected item will be indicated. When not all menu items fit on the screen, use the UP/DOWN keys to display the next / previous menu items.
  •  With the LEFT/RIGHT keys, it is possible to: Activate the selected menu item. / Change the value of the selected menu item. / Activate the selected sub menu.
  • When you press the MENU button twice while in top level SAM, the set will switch to the normal user menu (with the SAM mode still active in the background).
  • To return to the SAM menu press the MENU button.

The “INFO[i+]/OK” key from the user remote will toggle the OSD “on/off” with “SAM” OSD remaining always “on”.
  • Press the following key sequence on the remote control transmitter: “062596” directly followed by the MENU button to switch to SDM (do not allow the display to time out between entries while keying the sequence).
TO STORE SAM SETTINGS
To store the settings changed in SAM mode (except the OPTIONS and RGB ALIGN settings), leave the top level SAM menu by using the POWER button on the remote control transmitter or the television set. The mentioned exceptions must be stored separately via the STORE button.

TO EXIT SAM MODE
  • Switch the set to STANDBY by pressing the mains button on the remote control transmitter or the television set, or by keying-in the “00” sequence on a standard RC-transmitter.
NOTE:  When the TV is switched “off” by a power interrupt while in SAM, the TV will show up in “normal operation mode” as soon as the power is supplied again. The error buffer will not be cleared.
In case the set is in Factory mode by accident (with “F” displayed on screen), pressing and holding “VOL-“ button for 5 seconds and then followed by pressing and holding the “CH-” button for another 5 seconds should exit the Factory mode.
Posted By: FRANK at 04:56
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