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Service Manual
Color Television
TC-20KL05P
Chassis GP31
Specifications
TELEVISION
Power souce
Consumption
Antenna imput
Color sytem
Tuning system
Channel capability
Picture tube
Imput
Imput jack
AV Terminals
Dimension (WxHxD)
Weigth
REMOTE CONTROL TRANSMITER:
Model:
TNQ2B2801-1
Power source: 3V (2 AA type batteries)
Infrared wave lenght 9500 Å (Angstron)
Specifications are subject to change without prior notice or obligation.
ORDER DCS - SEP2005 - 004 - MS
TC-20KL05P
127V / 220V AC, 60Hz
automatic switch
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
3 W max (PMPO)
1 (rear)
514 x 468x 461mm
17,0 Kg
Supplied accessories:
• 1 remote control transmitter
• 1 Balum 300 ohms / 75 ohms
• 2 "AA" (or R6) batteries (1.5 V; ABNT/IEC)
• 1 antenna
© 2005 Panasonic da Amazônia S/A.
CS Division
Technical Support
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Table of Contents
Related Manuals for Panasonic TC-20KL05P
Summary of Contents for Panasonic TC-20KL05P
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Page 1: Service Manual
Power source: 3V (2 AA type batteries) • 2 “AA” (or R6) batteries (1.5 V; ABNT/IEC) Infrared wave lenght 9500 Å (Angstron) • 1 antenna Specifications are subject to change without prior notice or obligation. © 2005 Panasonic da Amazônia S/A. CS Division Technical Support... -
Page 2: Table Of Contents
TC-20KL05P 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. -
Page 3: About Lead Free Solder (Pbf)
TC-20KL05P ABOUT LEAD FREE SOLDER (PbF) Note: In the information below, Pb, the symbol for lead in the periodic table of elements, will refer to standard solder or solder that contains lead. We will use PbF solder when discussing the lead free solder used in our manufacturing process which is made from Tin (Sn), Silver, (Ag), and Copper, (Cu). - Page 4 TC-20KL05P - 4 -...
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Page 5: Ic601 - Pinout
TC-20KL05P IC601 - PINOUT Symbol Description P3.1/ADC1 port 3.1 or ADC1 input P3.2/ADC2 port 3.2 or ADC2 input P3.3/ADC3 port 3.3 or ADC3 input VSSC/P digital ground for m-Controller core and periphery P0.5 port 0.5 (8 mA current sinking capability for direct drive of LEDs) P0.6/CVBSTD... -
Page 6: Ic601 - Pinout
TC-20KL05P IC601 - PINOUT Symbol Description OTP Programming Voltage VDDC digital supply to core (3.3 V) OSCGND oscillator ground supply XTALIN crystal oscillator input XTALOUT crystal oscillator output RESET reset VDDP digital supply to periphery (+3.3 V) P1.0/INT1 port 1.0 or external interrupt 1 input P1.1/T0... -
Page 7: Ic601 - Block Diagram
TC-20KL05P IC601 - BLOCK DIAGRAM - 7 -... -
Page 8: Gp31 Chassis Feature Summary
TC-20KL05P GP31 CHASSIS FEATURE SUMMARY CHASSIS : GP31 MODEL : TC-20KL05P SYSTEM : 3 system (PAL-M/PAL-N/NTSC) (PAL-M 50Hz) POWER SOURCE : AC automatic power switching (127/220)V, 50/60Hz MEMORY : 125 positions TV TUNING RANGE : 181 channels (TV / CATV) -
Page 9: Dac Control For Gp31 Chassis Functions And Adjustments
TC-20KL05P DAC CONTROL FOR GP31 CHASSIS FUNCTIONS AND ADJUSTMENTS HOW TO RESET THE UNIT (SELF CHECK) To reset the unit, press simultaneously “VOLUME (–)” on the front panel and “TIMER” on the remote control. HOW TO ENTER IN THE SERVICE MODE: 1. -
Page 10: Adjustments
TC-20KL05P ADJUSTMENTS CHK2 MODE - VCJ ADJUSTMENTS CHK2 MODE TABLE On CHK2 mode it is possible to adjust the items of the table shown here. Reference values Note: To select an item, type “4” to move forward and “3” to move back. -
Page 11: Eeprom Memory Maps
TC-20KL05P EEPROM MEMORY MAPS TABLE 0 C O L U M N C O L U M N C O L U M N C O L U M N C O L U M N C O L U M N... - Page 12 TC-20KL05P TABLE 2 C O L U M N C O L U M N C O L U M N C O L U M N C O L U M N C O L U M N C O L U M N...
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Page 13: Adjustments
TC-20KL05P ADJUSTMENTS ITEM / PREPARATION PROCEDURE ADJUSTMENT: 1- RF AGC ADJUSTMENT 1. Select “RF AGC” on “CHK2” service mode. 1. Supply a color bar PHILIPS pattern and adjust the RF 2. Adjust "RF AGC" by pressing VOL(+) or (-) until obtaining input signal of 69 dB mV (75W opened channel 7 RF 2.2±0.1V in TPA15. - Page 14 TC-20KL05P ADJUSTMENTS ITEM / PREPARATION PROCEDURE 5- PAL COLOR OUTPUT SIGNAL ADJUSTMENT CALIBRATION: 1. Supply a color bar signal and adjust the local frequency. 1. Connect the oscilloscope in TPL2 (G-OUT) with a 10KΩ 2. Adjust “IMAGE” to DYNAMIC NORMAL, “CONTRAST” to resistor and adjust “CONTRAST”, so that the [B] waveform...
- Page 15 TC-20KL05P ADJUSTMENTS ITEM / PREPARATION PROCEDURE 8- SUB-BRIGHT AND SUB-CONTRAST SUB-BRIGHT CALIBRATION CALIBRATION 1. Position the color analyzer in the LOW LIGHT image area. Supply a WINDOW pattern signal 2. Ajust S-BRT <CHK 4> control, so that it is Y=0,7±0,2.
- Page 16 TC-20KL05P ADJUSTMENTS ITEM / PREPARATION PROCEDURE 11- WHITE QUALITY CALIBRATION CALIBRATION: 1. Adjust the magnetic field in 0.4x10-4T (400 mG), and check the white quality with the CRT turned to EAST and PREPARATION: to WEST. 2. Receive a red pattern, adjust the COLOR control to 1.
- Page 17 TC-20KL05P ADJUSTMENTS ITEM / PREPARATION PROCEDURE 14- VERTICAL DEFLECTION CALIBRATION AND 1) V-SLOPE CALIBRATION Supply a PHILIPS PAL-M signal. CONFIRMATION 2. Adjust V_SLOPE <CHK3> so that the begin of the black image part is aligned with the dividing line of Philips 1.
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Page 18: Crt P.c.b
TC-20KL05P SCHEMATICS DIAGRAMS CRT P.C.B. - 18 -... -
Page 19: Shematic Diagram P.c.b
P.C.B. SHEMATIC DIAGRAM - TC-20KL05P TC-20KL05P - 19 -... -
Page 20: Main P.c.b
TC-20KL05P MAIN P.C.B. JS184 X 80 L181 C 302 L1 5 L1 3 C2381 C2 04 D 20 C 306 C611 R685 C 117 J 210 C636 C 04 L21 8 C6 1 C2 13 C 115 C 70 C6 5... -
Page 21: Signal Waveform
TC-20KL05P SIGNAL WAVEFORM • All waveforms were obtained using 127V 60Hz power source and Color Bars Pattern. IC451 Pino 1 Pino 3 Pino 5 Pino 7 Pino 16 Pino 17 - 21 -... - Page 22 TC-20KL05P IC601 Pino 18 Pino 19 Pino 38 Pino 40 Pino 42 Pino 55 - 22 -...
- Page 23 TC-20KL05P IC601 Pino 56 Pino 57 Pino 58 Pino 63 Pino 64 - 23 -...
- Page 24 TC-20KL05P IC801 Q551 Pino 1 Coletor Q501 Base Coletor Q601 Q602 Emissor Coletor - 24 -...
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Page 25: Exploded View
TC-20KL05P EXPLODED VIEW - 25 -... -
Page 26: Replacement Mechanical Parts List
TC-20KL05P REPLACEMENT MECHANICAL PARTS LIST Part Nº . Nº Part Name & Description EASZ12D06B FULL RANGE SPEAKER 5W 8Ω TLK2B20001A DEGAUSSING COIL TBX2B867 POWER BUTTON TBX2B865 6 POSITIONS BUTTON TSA8108-6KP TELESCOPIC ANTENNA TMW2B212-1 BRACKET LED TSX2BA06 AC CABLE (URUGUAY) TSX2BA07... -
Page 27: Replacement Electrical Parts List
TC-20KL05P REPLACEMENT ELECTRICAL PARTS LIST Ref. No. Part No. Part Name & Description Ref. No. Part No. Part Name & Description MAIN P.C.B. C640 F2A1C100A180 ELECTROLYTICAL CAP. 10µF 16V PAL20KL05PMON ASSEMBLED P.C.B. “A + L“ C641 ECJ2VC1H100C CERAMIC CAP. SMD 10PF 50,0 V... - Page 28 TC-20KL05P Ref. No. Part No. Part Name & Description Ref. No. Part No. Part Name & Description C2117 F2A1C101A180 ELECTROLYTICAL CAP. 100µF 16V D551 MAZ30470HL ZENER DIODE SMD VZ= 4,74 ~ 4,99 V AT IZ=5MA C2120 F2A1H3R3A182 ELECTROLYTICAL CAP. 3,30 µF 50V...
- Page 29 TC-20KL05P Ref. No. Part No. Part Name & Description Ref. No. Part No. Part Name & Description JS113 ERJ6GEY0R00V RESISTOR 0Ω 1/8 W R186 D0GD471JA017 RESISTOR 470Ω 1/8W JS122 ERJ6GEY0R00V RESISTOR 0Ω 1/8 W R187 D0GD221JA017 RESISTOR 220Ω 1/8W JS415 ERJ6GEY0R00V RESISTOR 0Ω...
- Page 30 TC-20KL05P Ref. No. Part No. Part Name & Description Ref. No. Part No. Part Name & Description R672 D0GD181JA017 RESISTOR 180Ω 1/8W R2131 D0GD101JA017 RESISTOR 100Ω 1/8W R685 D0GD750JA017 RESISTOR SMD R2151 D0GD563JA017 RESISTOR 56kΩ 1/8W R686 D0GD470JA017 RESISTOR SMD R2152 D0GD273JA017 RESISTOR 27kΩ...
- Page 31 Panasonic da Amazônia S.A. CS DIVISION - TECHNICAL SUPPORT Rod. Presidente Dutra, Km 155 São José dos Campos - SP BRAZIL...