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Order no. DCS-AGO2002-002-MS
Service Manual
Color Television
TC-20G12P
TC-29G12P
TC29G12PU
Specifications
TELEVISOR TC-20G12P TC-29G12P TC-29G12PU
Source AC ~ 110/220V 50/60Hz
Consumption (Potency) 78W 99W 99W
Antenna input 75 OHMS - VHF/UHF/CATV (F outlet)
Color system PAL-M/PAL-N/NTSC/AUT
Channels reception VHF: 2 ~ 13/UHF: 14 ~ 69/CATV: 1 ~ 125
Tuning system by frequency (FST)
Audio power 3 + 3W RMS
Video input 1 Vpp, 75 OHMS
Audio input 500mV, 47K OHMS
Audio output 0,0 ~ 2,0V, 4,7K OHMS
Audi
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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 whit the manufacturers specified replacement parts to prevent X-ray radiation, shock, fire or other hazards. Do not modify the original design whitout manufacturers permission. General Guidelines Table of Contents An Isolation Transformer should always be used duri
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TC-20G12P / TC-29G12P / TC-29G12PU Operation Guide 4 $ 4 $ - 3 - Controls Location Controls Location Frontal View Remote control 1. POWER button 1. POWER button By pressing this button the TV set is Press to turn the TV set on or off. placed on STAND BY, and it is necessary The POWER button in the TV set must be to press the button STAND BY (3) to turn ON. the TV set on. 2. Button to turn the sound temporarily off When switched to OFF the TV set is “MUTE” completely disconnected from the
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TC-20G12P / TC-29G12P / TC-29G12PU Operation Guide 4 $ - 4 - Installation Operation POWER button How to connect an external antenna When pressed the TV set is placed on To obtain the best audio and video quality it is necessary to install an external antenna, STAND BY, and it is necessary to press the with adequate cables (75 ohms co-axial cable) and the adequate terminal connector. button STAND BY on the set panel or Your local TV service can help you to acquire the adequate system and accessor
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TC-20G12P / TC-29G12P / TC-29G12PU Operation Guide 4 $ - 5 - Operation Operation TV/VIDEO button R-TUNE quick tune in button Press this button to select TV input or VIDEO Use this button to alternate instantly input. between the two channels last selected. RECALL button Press this button to display the following functions: • The audio mode state • Channel number or the selected video input • The clock state for the automatic turn off (if SLEEP mode is active) • Time (if previously set) • Cha
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TC-20G12P / TC-29G12P / TC-29G12PU Operation Guide - 6 - Operation Operation 1. Press the ACTION button to display the 4. Use the VOLUME buttons (Ò or Ó) to Selecting the MENU language main menu. select STEREO, SAP or MONO. The option The language of the menu is factory set to selected will be highlighted. 2. Use the CHANNEL buttons ($ or 4) or Brazilian Portuguese. Follow the instructions VOLUME buttons (Ò or Ó) to select the 5. Press the ACTION button twice to exit below to change the menu la
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TC-20G12P / TC-29G12P / TC-29G12PU Operation Guide - 7 - Operation Operation Adjusting the image Adjusting color, hue, brightness, contrast Blue screen (BLUE BACK) and sharpness This TV set has 4 pre-adjusted image This function, when activated, displays a blue screen when the selected channel does not menus: DINAMIC, NORMAL, SOFT and have any signal or also in AV mode with no signal (for example: the VCR connected to the 1. Press the ACTION button to display the GAME. Within each of these menus
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TC-20G12P / TC-29G12P / TC-29G12PU Operation Guide - 8 - Operation Operation Color system and color saturation adjustment for each channel Game Guard This TV set is compatible with three broadcast standards. That means this TV set can be Blocking Games (accessible only through the remote control unit) used where either the PAL-M, PAL-N, or NTSC transmission standard is used. The AUTO This function blocks the use of the TV set for games or other video input. Channels 3 and 4, capability allows th
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TC-20G12P / TC-29G12P / TC-29G12PU Operation Guide - 9 - Operation Operation Unlocking channels Programming timer ON/OFF To unlock channels, follow steps 1 through 3 of the “GAME GUARD” procedure. The POWER button must be in the ON position for these functions to be available. Then, using the numerical keypad on the remote control, key in exactly the three-digit This function allows to turn the TV set on automatically at a programmed time and password previously selected during the GAME GUARD pr
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TC-20G12P / TC-29G12P / TC-29G12PU Operation Guide - 10 - Operation Operation 3. Press again the ACTION button to 9. Repeat steps 5 through 7 to program Adjusting the clock display the timer control menu. the hour and minutes when the TV set To adjust the clock the POWER button must be in the ON position. should turn itself off (OFF). If the TV set is turn off by the POWER button, the clock must be adjusted again. 10. Press the button CHANNEL ($) to select The clock, provided that the time has b
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TC-20G12P / TC-29G12P / TC-29G12PU Operation Guide - 11 - Operation Operation Adjusting the image Adjusting color, hue, brightness, contrast Blue screen (BLUE BACK) and sharpness This TV set has 4 pre-adjusted image This function, when activated, displays a blue screen when the selected channel does not menus: DINAMIC, NORMAL, SOFT and have any signal or also in AV mode with no signal (for example: the VCR connected to the 1. Press the ACTION button to display the GAME. Within each of these menu
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TC-20G12P / TC-29G12P / TC-29G12PU Operation Guide - 12 - Operation Operation Antenna mode Automatic channel tuning Through this function, it is possible to tune in all channels that are locally broadcast. These Tune in mode for TV or Cable TV. channels are the programmed channels and are selected through the CHANNEL buttons It is necessary to select the antenna input appropriate for the input mode corresponding ($ or 4) or through the numerical keypad on the remote control. to the type of the l
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TC-20G12P / TC-29G12P / TC-29G12PU Operation Guide - 13 - Operation Operation Manual channel tuning. AUTO POWER ON This function allows the desired channels to be tuned in manually. For this function to be available, the POWER button must be in the ON position. Note: This function is automatically disabled when the function “GAME GUARD” is active. If the TV set is hooked to a cable TV converter which has a power switch, the switch may be used to turn on and off both simultaneously. Note: When t
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TC-20G12P / TC-29G12P / TC-29G12PU Operation Guide - 14 - Operation Operation Subtitles display mode “ cc MODE” Channel caption This feature allows to store in memory the labels for up to 30 channels (maximum 4 This feature is used to help hearing-impaired viewers and also in language learning. characters for each label). As a result, when switching channels or pressing the RECALL button, the labels will display on the screen side-by-side the corresponding channel This TV set features a built-i
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TC-20G12P / TC-29G12P / TC-29G12PU Operation Guide - 15 - Connection Connection Connecting to an amplifier (stereo equipment) Connecting to a videocassette recorder (VCR) Terminals (LINE OUT FOR AUDIO AMPLIFIER) To connect to a videocassette recorder proceed as follows: Connect these terminals to the AUX input of a stereo amplifier to listen to the stereo sound 1. Connect the external equipment, as Observation: through the amplifier. show in the illustration, to the terminals labeled “ENT” (inpu
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TC-20G12P / TC-29G12P / TC-29G12PU Operation Guide - 16 - Remote Control Transmitter Inserting batteries 1. Open the cover of the battery compartment, located on the back of the remote control unit. 2. Insert the batteries in the compartment, paying attention to correct polarities, as shown in the illustration. 3. Close the battery compartment, sliding the cover in place. COVER Useful Suggestions: Replace batteries when noticing any failure in the functioning of the remote control unit. If the r
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TC-20G12P / TC-29G12P / TC-29G12PU Service Adjustments and Calibrations Address A0 SERVICE MODE HOW TO ENTER INTO SERVICE MODE: 1. Switch to CATV and set the 124 CATV channel. _ 2. Adjust minimum volume with the Vol( ) button. 3. Adjust SLEEP function to 30 and press the button _ Vol( ) on the TV panel. 4. To alter among CHQs (B0→C0→S0→M0), press POWER. 5. To alter among DACs (B0→B1... and C0→C1...), _ press CH(+) or CH( ) and to alter the values press _ VOL(+) or Vol( ). 6. To get access
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TC-20G12P / TC-29G12P / TC-29G12PU Service Adjustments and Calibrations ELECTRICAL INSPECTIONS WHITE BALANCE ADJUSTMENTS REQUIRED EQUIPMENTS / CONNECTIONS: REQUIRED EQUIPMENTS / CONNECTIONS: Voltmeter 150VDC: between C809 (+) and Ground HOT(-). Oscilloscope: Connect to CRT board GK and ground. RMS Voltmeter: CRT Heater Terminal. PREPARATION: PROCEDURE: 1. Get turn ON the equipment for about 15 minutes. 1. Apply a PHILIPS pattern. 2. Set standard WHITE BALANCE. 2. Adjust AC supply to 110 o
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TC-20G12P / TC-29G12P / TC-29G12PU Service Adjustments and Calibrations RF AGC ADJUSTMENT AFT ADJUSTMENTS REQUIRED EQUIPMENTS / CONNECTIONS: REQUIRED EQUIPMENTS / CONNECTIONS: Digital Voltmeter: TP8 the AGC Tuner terminal. Digital Voltmeter, C.W. generator (45.75 Mhz) and VIF HEAD. PROCEDURE: VIF HEAD 1. Apply a COLOUR BAR pattern of 63±2dB (75Ω open) in the antenna terminal. Tuner IF (Using a high VHF channel 7 ~ 13). Tuner CHANNEL 7 8 9 10 11 12 13 MHz 175,25 181,25 187,25 193,25 199,25 205
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TC-20G12P / TC-29G12P / TC-29G12PU Service Adjustments and Calibrations REQUIRED EQUIPMENTS / CONNECTIONS: NTSC SUB-TINT ADJUSTMENT Oscilloscope bigger than 5MHz: Connect to TP2 or TP35. REQUIRED EQUIPMENTS / CONNECTIONS: PROCEDURE: Oscilloscope: Connect to TP1 (E-board) or (Y-board) 1. Position a jumper between TP38 and GND (COLD). 2. Apply a COLOURBAR pattern with 100IRE level. PREPARATION: 3. Adjust the SUB-BRIGHT (DAC:B2) to that black level 1. BRIGHT Center or Normal can
