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Order no. DCS - SET2000 - 001- MS
Service Manual
Color Television
TC-14B10P
TC-20B10P
Chassis MX5Y
Specifications
TV MODEL TC-14B10P TC-20B10P
Power Source 110/220 V AC, 50/60 Hz 110/220 V AC, 50/60 Hz
automatic switch automatic switch
Power consumption, Max (A) 80W 90W
Antenna Input 75Ω - VHF/UHF/CATV 75Ω - VHF/UHF/CATV
Colour System NTSC/AUTO/PAL-M/PAL-N NTSC/AUTO/PAL-M/PAL-N
Tuning System
F.S.T F.S.T
Channels Receiving
2 to 13 (VHF) 2 to 13 (VHF)
14 to 69 (UHF) 14 to 69 (UHF)
1 to 125 (CATV)
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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. TABLE OF CONTENTS General Guidelines An Isolation Transformer should always be used du
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Operation Guide TC-14B10P / TC-20B10P - 3 - ENGLISH
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Operation Guide TC-14B10P / TC-20B10P - 4 -
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Operation Guide TC-14B10P / TC-20B10P - 5 - ENGLISH
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Service Adjustments and Calibrations TC-14B10P / TC-20B10P HOW TO OPERATE THE DAC CONTROL MX5Y CHQ2 FUNCTIONS ADJUSTMENTS 1.1- Press 3 or 4 to alternate between existing positions like the sequence below: 1- SERVICEMAN MODE To change between the data of each sub-item press _ VOL(+) or VOL( ), the letter will stay green. No need 1.1- TO ENTER CHQ MODE (SERVICE): to memorize. Set the OFF TIMER to 30 using the remote control and adjust minimum volume at the TV panel. Press COLOUR ............
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Service Adjustments and Calibrations TC-14B10P / TC-20B10P 1.2- Press 5 at the remote control to make appear a white ELECTRICAL INSPECTION line for screen calibration. In order to make tHe line 1- EQUIPMENTS REQUIRED disappear press 5 again. 1.1- High voltage meter, range to 30kv (eletrostatic or resistive) 1.2- Voltmeter, range 30VDC, 150 VDC and 300VAC DAC DIRECT TABLE 1.3- Voltmeter RMS CHQ1 CHQ2 CHQ3 CHQ4 CHQ5 1.4- DY,CY,CRT OP1 SUB-COR HC AFT B-CUT OP2 COR VC VID G-CUT 2- PREPARATION O
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Service Adjustments and Calibrations TC-14B10P / TC-20B10P 2.7- Apply a PHILIPS pattern. 1- SOUND INSPECTION 2.8- Adjust BRIGHT, SUB BR, in CHQ5, SCREEN to 1.1- Verify if sound varies correctly pressing VOL(+) or _ obtain normal image. VOL( ). 2.9- Check if horizontal width is normal 1.2- Verify if tone is adjusted using the TONEcontrol at 2.10- Select SUB BR in CHQ5 and check if BRIGHT is the SOUND Menu. controlled by varying SUB BR in CHQ5. 2.11- Select HORIZONTAL CENTERING (HC) in CHQ3 2-
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Service Adjustments and Calibrations TC-14B10P / TC-20B10P CALIBRATION OF VIDEO IF ( continuing) 3- ADJUSTMENTS 1- PREPARATION 3.1- Adjust AFT using coil L167 until the voltage below 2.1- Connect the VIF generator positive output cable to (*) is obtained at TPE29. TPE33 and the negative to ground. (*) 4,0±1,0V (after 10 seconds ON) 2.2- Connect the VIF detector positive output cable to TPE13 (*) 4.5±1,0V (after heating) and negative to ground. 3.2- Vary the frequency of CW oscillator betwee
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Service Adjustments and Calibrations TC-14B10P / TC-20B10P VIDEO OUT ADJUSTMENT COLOUR-SATURATION ADJUSTMENT 1- REQUIRED EQUIPMENT 1- REQUIRED EQUIPMENT 1.1- Oscilloscope 1.1- Oscilloscope 1.2- Jumper 1.2- Attenuator 2- PREPARATION 2- PREPARATION 2.1- Tune a COLORBAR patten. 2.1- Apply a COLORBAR patten. 2.2- Adjust the input signal level to 75dB (75Ω Open). 2.2- Adjust the input signal level to 75dB (75Ω open). 2.3- Confirm that the Picture Menu is DYNAMIC 2.3- Connect the test tip of oscillo
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Service Adjustments and Calibrations TC-14B10P / TC-20B10P 2- PREPARATION VERTICAL HEIGHT AND CENTERING 2.1- Apply a CROSS HATCH pattern. ADJUSTMENTS 2.2- Adjust the controls BRIGHT and CONTRAST until current turns to zero. 1- ADJUSTMENTS. 1.1- Tune a Philips pattern. 3- CONFIRMATION 1.2- Select the DAC of VERTICAL CENTERING at 3.1- Connect the DC voltmeter to cathode of D591 and CHQ3 Service Mode. confirm that voltage is lower than level(*)A. 1.3- Adjust the vertical placement pressing the VOL
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Service Adjustments and Calibrations TC-14B10P / TC-20B10P 6- VERIFICATION OF THE FUNC KEY FOCUS ADJUSTMENT 6.1- Press the FUNC key at the front panel and verify if 1- PREPARATION the following sequence appears: 1.1- Apply a MONOSCOPE or PHILIPS pattern. AUTOMATIC TUNING 1.2- Confirm that Picture Menu is NORMAL DINAMIC SKIPP CHANNEL OFF 1.3- Adjust the controls to the following positions: ANTENNA TV CONTRAST
.....
MAXIMUM BRIGHT
...........
NORMAL 7- HOTEL MODE CO
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Service Adjustments and Calibrations TC-14B10P / TC-20B10P AUTOMATIC AND MANUAL MEMORIZATION AUDIO CHECKING 1- CONFIRMING TONE AND VOLUME 1- VERIFICATION OF AUTOMATIC MEMORIZATION. 1.1- Apply a pattern signal with sound. 1.1- Adjust the input pattern signal level to 40 dB 1.2- Confirm that high frequency sound is altered when tone 1.2- Press FUNC at the front panel and it will appear an level is varied at Sound menu. _ indication of AUTOMATIC SINTONY. 1.3- Press the VOL(+) or VOL( ) at the rem
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Service Adjustments and Calibrations TC-14B10P / TC-20B10P 4.3- Overcome the red and blue lines with green adjusting the PURITY AND CONVERGENCE ADJUSTMENTS rings 5 and 6 (adjust center) Adjustment is necessary only if the CRT or the deflection yoke is 5- DYNAMIC CONVERGENCE ADJUSTMENT replaced or if the setting was disturbed. 5.1- Move the DY on a horizontal and vertical way simultaneously, 1. When the Yoke or the CRT are substituted: to obtain a perfect side colour overcome. 1.1- Position the d
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Schematics Diagrams TC-14B10P / TC-20B10P Y Boad (CRT 14) Y Boad (CRT 20) Yoke Board - 15 - ENGLISH
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IC601 - Block Diagram TC-14B10P / TC-20B10P IC601 - Pins and Functions PINO NOME TENSÃO DESCRIÇÃO PINO NOME TENSÃO DESCRIÇÃO 01 VIF GND 0V GND for VIF/SIF Block 31 Video Chroma VCC 5V 5V blocos de vídeo e croma 02 AFT OUT DC 0.3 - 8,7V AFT OUT 32 AFC2 FILTER DC 4.5V AFC2 FILTER 03 SIF LIMITER IN DC 0.5 - 4.5V SIF det. IN 33 CHROMA IN DC 3.5V CHROMA input 04 RF AGC OUT DC 0.3 - 8.7V RF AGC OUT 34 ID FILTER Identification filt
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Wave Forms / Formas de Onda - (01 to 12) TC-14B10P / TC-20B10P HOW TO OBTAIN WAVE FORMS Nº 1. The indication at the schematic diagram , shows the place of measuring points of the respective wave forms, shown below. The place is not exact, another point, in the same connection, can be used to have a measurement. 2. Connect to the terminal of antenna (RF), one signal generator - colorbar PAL-M. 3. Adjust the controls of TV set (audio /picture) to normal. Adjust the volume to minimum. 4-
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Wave Forms / Formas de Onda - (13 to 24) TC-14B10P / TC-20B10P Como obtener las formas de onda: Nº 1. La indicación BLK , en el esquema electrico de la placa E/Y, muestra la localización del punto de medición de las respectivas formas de onda mostradas abajo. La localización és genérica, podiendo ser utilizado otro ponto más accecible de la conexión para se efectuar la medición. 2. Conect al terminal de antena (RF), un generador de señal Colorbar PAL-M. 3. Ajuste los controles del televisor (a
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Cabinet Parts Location TC-14B10P / TC-20B10P Vista por Explosión - 19 - ESPAÑOL ENGLISH
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Cabinet Replacement Parts List TC-14B10P / TC-20B10P Lista de Piezas Mecánicas REF. DESCRIPTION PART NO. TO TC-14B10P PART NO. TO TC-20B10P NO. 01 AV TERMINAL (frontal) JK2 TJB4G605 TJB4G605 02 ASSY, E/Y BOARD TZGNPEY14A10 TZGNPEY20A10 03 SWITCHES (S1101 A S1106) BVQPB001T BVQPB001T 04 FUSE HOLDER EYF52BC EYF52BC 05 FLAT CABLE 4 VIAS (E33-Y33) TXAJTE33CB14A9-1 TXAJTE33CB14A9-1 06 FLAT CABLE 5 VIAS (E32-Y32) TXAJTE32CB14A9 TXAJTE32CB20A9 07 BASE DE PINOS E22 BJP11V02-AP BJP11V02-AP 08 TUNER ENV56
