Panasonic TX-28MD4 Service Manual

Also see for TX-21MD4: Service schematics Operating instructions Service manual

Contents

Colour TelevisionTX-28MD4TX-25MD4TX-21MD4Additional information for Self-Check feature(Information in brackets {} refers to the TX-21MD4)FACTORY SETTINGSTo return customer settings to factory settings and clear owner ID of all information input by the customer, enterSelf-Check mode. Press the down (-/v) button on the customer controls at the front of the TV set, at the sametime pressing the STATUS button on the remote control. To exit Self Check, switch off the TV set at thepower button.Self Check is also used to automatically check the bus lines and hexadecimal code of the TV set. If the CCUports have been checked and found to be incorrect or not located then " - - " will appear in place of "O.K.". Formore in-depth TV diagnostics use the LUCI interface as listed below.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 diagnosticsoftware. As new models 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 & TZS7EZ0051. 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 toTechnical Information.NOTE: Self Check should only be used when refurbishing the TV set and not during normal repair work.VDP O.K.TUN O.K.E2 O.K.MSP O.K.DPL - -PCB O.K.Cab O.K.Sum Factory use onlyOPTION 1 3D {3C}OPTION 2 0C {0E}OPTION 3 1D {1D}OPTION 4 00 {00}OPTION 5 EF {EF}OPTION 6 23 {23}ORDER No. SM-98051

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