Panasonic TX-21AT1P Service Manual

Also see for TX-21AT1P: Operating instructions

Contents

Panasonic TX-21AT1P Service Manual Manual pdf 4 page image

ADJUSTMENT PROCEDUREItem / Preparation Adjustments+B SET-UP1. Receive a Greyscale signal.2. Set the controls :Brightness MinimumContrast MinimumVolume MinimumConfirm the following voltages.B1 3,3 ± 0,3V B13 -16 ± 1VB2 190 ± 10V B14 27,5 ± 1,5VB3 16 ± 1V B15 28 ± 1,5VB4 10 ± 1V B16 13 ± 1VB8 5 ± 0,3V B17 8 ± 1VB11 127 ± 10V B18 5 ± 0,3VCUT OFF / Ug2 Test1. Receive a Greyscale signal.2. Degauss the tube externally.3. Set the TV into Service Mode 1.4. Select Cut off mode.Set Contrast on maximum, set Brightness on center, switchon AV mode.Enter Service mode. Set Sub-Brightness to 31. Select Ug2Test. Press "+" and adjust screen Vr till sharp vertical line isvisible and LED switches off. Then reduce screen Vr till LEDis just switched on.SELF CHECKSelf-check is used to automatically check the bus lines and hexadecimal code of the TV set.To enter Self-Check mode, pressthe STATUS button on the remote control and at the same time press the down (-/v) button on the customer controls atthe front of the TV set. To exit Self Check, switch off the TV set at the power button.OPTION 1 E0OPTION 2 02If the CCU ports have been checked and found to be incorrect or not located then " - - " will appear in place of "O.K.".Service AidsTo aid in the service of our current chassis there are a number of Service Aids which have been made available.• LUCI interface kit (Linked Utility Computer Interface)Part number: TZS6EZ002This contains interface and cables for connecting TV service connector and a PC as well as diagnostic software. As newmodels are introduced upgrade software will become available.• VICI (Visual Interactive Computer Information)These C.D.'s contain multimedia documentation providing quick access to service information.Part No. TZS7EZ006, TZS7EZ005, TZS8EZ001 & TZS9EZ0011. Service Manuals2. Instruction Books3. Technical Information• TASMIN (Technically Advanced System for Multimedia Interactive Notes)As well as providing a first step towards more interactive training this product also achieves quick access to TechnicalInformation.4