Philips DPTV400 Series, Training Manual

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SERVICE DEFAULT MODE (SDM)
The Service Default Mode is used to put the TV into a predefined state to aid in testing or problem
diagnosis. The following occurs in the SDM.
A pre-defined situation for measurements is created.
Software protections are overridden when the SDM is accessed by shorting the SDM pins
on the chassis.
The blinking LED procedure is turned On to allow for the reading of error codes.
The Life Timer, Software version, and Error codes can be read in this mode.
SDM may be entered by one of the following methods.
Momentarily ground the SDM pin on the SSB. Protections which display errors 1-9 will
be overridden.
Press the Volume Up and Volume Down keys simultaneously while in the SAM mode.
Press 0 6 2 5 9 6 Menu on the Remote control.
The screen will appear as follows when SDM is entered.
SDM
After pressing the Info/Exit or Status button on the Remote, the follow screen will appear.
SDM
HRS: 0092 SWID: IHDTV2K4: 2US1-7.00
ERR 0 0 0 0 0 0 0
The following occurs in the SDM.
Unfriendly service modes are disabled.
Start blinking LED for error reading if needed.
Channel 3 is tuned.
Sets Video and Audio values are set to 50% and volume set to 25%.
Software protections are overridden for 15 seconds.
To exit the SDM, turn the set Off using the Remote or the Keyboard.
Service Alignment Mode (SAM) (Figure 44)
The Service Alignment Mode (SAM) is used to read the Software version, Life timer, Error Codes,
Option codes, and make alignment to the set.
The SAM is entered by pressing the Volume Up and Volume Down buttons on the Keyboard
simultaneously while in the SDM or by pressing 0 6 2 5 9 6 Status on the Remote control.
The first line of of the SAM menu shows the operation hours of the set in Hexadecimal format and the
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