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Order DCS - JUL2005 - 003 - MS

Service Manual
Color Television

TC-14RM10LP TC-20RM10LP TC-20RA10LP GP31 Chassis

Specifications
TELEVISOR Power source Consumption Antenna input jack Color system Tuning system Channel capability TC-14RM10LP 127V / 220V AC, 50/60Hz AC AUTO 51W 75Ω - VHF/UHF/CATV PAL-M / NTSC / PAL-N (FST) VHF: 2 ~13 UHF: 14 ~ 69 CATV: 1 ~ 125 PANABLACK 14” CRT, 36cm(NBR5258) 33cm Measured diagonally 8 W max (PMPO) 1 (rear) 370 x 352 x 372 mm 9,6 Kg TC-20RM10LP 127V / 220V AC, 50/60Hz AC AUTO 61W 75Ω - VHF/UHF/CATV PAL-M / NTSC / PAL-N (FST) VHF: 2 ~13 UHF: 14 ~ 69 CATV: 1 ~ 125 PANABLACK 20” CRT, 51cm (NBR5258) 48cm Measured diagonally 13 W max (PMPO) 1 (rear) 514 x 468x 461mm 17,0 Kg TC-20RA10LP 127V / 220V AC, 50/60Hz AC AUTO 61W 75Ω - VHF/UHF/CATV PAL-M / NTSC/ PAL-N (FST) VHF: 2 ~13 UHF: 14 ~ 69 CATV: 1 ~ 125 PANABLACK 20” CRT, 51cm (NBR5258) 48cm Measured diagonally 13 W max (PMPO) 1 (front), 1 (rear) 1 (Head Phone) 514 x 468x 461mm 17,0 Kg

Picture Tube

Audio Output AV Terminals Dimension (LxAxP) Weight

REMOTE CONTROL TRANSMITER: Model: TNQ2B2502-1 Power source: 3V (2 AA type batteries) Infrared Length: 9500 Å (angstron)

SUPPLIEDACCESSORIES: • 1 Remote Control Transmitter • 1 300Ω/75Ω Adaptor Ballum • 2 “AA” type batteries • 1 internal antenna

© 2005 Panasonic da Amazônia S/A. CS Division Technical Support

TC-14RM10LP/ TC-20RM10LP/ TC-20RA10LP

Important Safety Notice
Special components are used in this television set which are important for safety. These parts are identified on the schematic diagram by the symbol ! .It is essential that these critical parts are replaced with the manufacturer’s specified replacement parts to prevent X-ray radiation, shock, fire or other hazards. Do not modify the original design without manufacturer’s permission.

Contents
ABOUT LEAD FREE SOLDER (PBF) ...................................................... 3 SUGGESTED PBF SOLDER.................................................................. 3 HOW TO RECOGNIZE THAT PB FREE SOLDER IS USED ....................... 3 OPERATING INSTRUCTIONS ................................................................. 4 IC601 - PINOUT .................................................................................... 5 IC VOLTAGE TABLES ........................................................................... 6 IC601 - BLOCKDIAGRAM .................................................................... 7 GP31 CHASSIS FEATURE SUMMARY .................................................. 8 DAC CONTROL FOR GP31 CHASSIS FUNCTIONSANDADJUSTMENTS ....... 9 HOW TO RESET THE UNIT (SELF CHECK) ............................................. 9 HOW TO ENTER IN THE SERVICE MODE ............................................... 9 CHK1 MODE -OPTIONS ....................................................................... 9 CHK2 MODE - VCJ ADJUSTMENTS ..................................................... 10 CHK3 MODE - PINCUSHION ADJUSTMENTS ....................................... 10 CHK4 MODE - WHITE BALANCE ADJUSTMENTS ............................... 10 TEST AND MEASUREMENT EQUIPMENTS ........................................... 10EEPROM MEMORY MAPS .................................................................... 11 ADJUSTMENTS ..................................................................................... 13 SCHEMATICS DIAGRAMS ..................................................................... 18 CRT P.C.B. ............................................................................................ 18 MAIN P.C.B.SCHEMATIC DIAGRAM ................................................... 19 MAIN P.C.B. CIRCUIT LAYOUT ............................................................. 20 SIGNAL WAVEFORM ............................................................................ 21 EXPLODED VIEW .................................................................................. 25 REPLACEMENT MECHANICAL PARTS LIST...
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