The service manual when downloaded and printed out was clear and easy to read. The manual is complete with the schematic diagram and technical data. I occasionally require a manual and now having registered with this company I shall order from them in the future.
Text excerpt from page 50 (click to view)
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Useful adjustment settings
Enter the same password that you have entered in step 5. � If a different password is entered, the operation goes back to step 5 for reentry from the beginning. � You can try up to three times to reconfirm the new password before the Change Password screen is automatically exited. 7 Press HOME MENU to exit the menu. Note � Take a note of the newly set password and keep it handy.
We suggest you write down your password so you don�t forget it. If you forget the password
PDP-507XDA / PDP-427XDA Your password No.:
When the message �Please Input Your Password� is displayed, press the ENTER button on the remote control unit and hold it down for 3 seconds or longer. The password reverts to �1234�.
Note that it is not possible to reset the password from the DTV Setup screen.