Panasonic TX-21MD4 Service Schematics

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

Contents

specifications

Colour TelevisionTX-28MD4TX-25MD4TX-21MD4EURO4 ChassisSPECIFICATIONS(Information in brackets { } refers to model TX-25MD4)(Information in brackets [ ] refers to model TX-21MD4)Power Source: 220-240V AC, 50HzPower Consumption: 85W [71W]Aerial Impedance: 75Ω unbalanced, Coaxial TypeStand-by PowerConsumption: 1,8WReceiving System: PAL I, PAL 525/60M.NTSCNTSC (AV only)Receiving Channels: UHF E21 - E69Intermediate Frequency:Video 39,5MHzAudio 33,5MHz, 32,95MHzColour 35,07MHz (PAL)Video/AudioTerminals:AUDIO MONITOR OUT Audio (RCAx2) 500mV rms 1kΩAV1 IN Video (21 pin) 1V p-p 75ΩAudio (21 pin) 500mV rms 10kΩRGB (21 pin)AV1 OUT Video (21 pin) 1V p-p 75ΩAudio (21 pin) 500mV rms 1kΩAV2 IN Video (21 pin) 1V p-p 75ΩAudio (21 pin) 500mV rms 10kΩS-Video IN Y: 1V p-p 75Ω(21-pin) C:0.3V p-p 75ΩAV2 OUT Video (21 pin) 1Vp-p 75ΩAudio (21 pin) 500mV rms 1kΩSelectable output (21 pin)AV3 IN Audio (RCAx2) 500mV rms 10kΩVideo (RCAx1) 1V p-p 75ΩHigh Voltage: 28,5kV ±1kV {28,2kV ±1kV}[28kV ±1kV]Picture Tube: A66ECF50X41 66cm{A59ECF50X41 59cm}[A51ECQ51X01 51cm]Audio Output: 2 x 15W (Music Power)8Ω ImpedanceHeadphones: 8Ω Impedance3,5 mmAccessoriessupplied : Remote Control2 x R6 (UM3) BatteriesTV StandDimensions:Height: 580 mm {531 mm} [478 mm]Width: 666 mm {601 mm} [525 mm]Depth: 472 mm {439 mm} [480 mm]Net weight: 31kg {25kg} [22kg]Specifications are subject to change without notice.Weights and dimensions shown are approximate.NOTE: This Service Manual should be used in conjunction withthe EURO4 Technical guide.Panasonic CS ( U.K. ) Ltd.WILLOUGHBY ROAD,BRACKNELL,BERKS.,RG12 8FT.QhhvpORDER No. SM-98017