Summary of the content on the page No. 1
Order DCS - AGO2002 - 003 - MS
Service Manual
Color Television
TC-14A12P
TC-20B12
BR2L chassis
Specifications
TELEVISION TC-14A12P TC-20B12
Power source 110/220 V AC, 60 Hz automatic switch 110/220 V AC, 60 Hz automatic switch
Consumption 55 W 69 W
Antenna input jack 75 W - VHF/UHF/Cable 75 W - VHF/UHF/Cable
Color systems NTSC/PAL-N/AUTO/PAL-M NTSC/PAL-N/AUTO/PAL-M
Tuning system F.S.T. F.S.T.
Channel capability 2 to 13 (VHF) 2 to 13 (VHF)
14 to 69 (UHF) 14 to 69 (UHF)
1 to 125 (Cable) 1 to 125
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TC-14A12P / TC-20B12 WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technician individuals of potential dangers in attempting to service a product. Products powered by electricity should be serviced or repared only by experienced professional technicians. Any attempt to service or repair the product deal with in this service information by anyone could r
Summary of the content on the page No. 3
TC-14A12P / TC-20B12 Operation Guide - 3 - Location of Controls (TC-20B12) Location of Controls (TC-20B12) Location of Controls (TC-20B12) Location of Controls (TC-20B12) Location of Controls (TC-20B12) Location of Controls (TC-14A12P) Location of Controls (TC-14A12P) Location of Controls (TC-14A12P) Location of Controls (TC-14A12P) Location of Controls (TC-14A12P) Front view Front view Front view Front view Front view Back view Back view Back view Back view Back view Front view Front view Front
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TC-14A12P / TC-20B12 Operation Guide - 4 - Location of Controls Location of Controls Location of Controls Location of Controls Location of Controls Remote Control Remote Control Remote Control Remote Control Remote Control Installing the Batteries Installing the Batteries Installing the Batteries Installing the Batteries Installing the Batteries REMOTE CONTROL REMOTE CONTROL REMOTE CONTROL REMOTE CONTROL REMOTE CONTROL 1. Remove the battery compartment cover 1 from the back of the remote control
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TC-14A12P / TC-20B12 Operation Guide - 5 - Operation of TV Controls Operation of TV Controls Installation Installation Installation Installation Installation Operation of TV Controls Operation of TV Controls Operation of TV Controls Outdoor Antenna Connection Outdoor Antenna Connection Outdoor Antenna Connection Outdoor Antenna Connection Outdoor Antenna Connection POWER 1. Power Switch Power Switch Power Switch Power Switch Power Switch For proper sound and picture reception, Press this switch
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TC-14A12P / TC-20B12 Operation Guide - 6 - Note: Note: Note: Note: Note: 4. 4. 4. V V V V Volume Buttons olume Buttons olume Buttons olume Buttons olume Buttons (+, –) (+, –) (+, –) (+, –) (+, –) 4. 4. A numerical and General Operation General Operation General Operation General Operation General Operation Press these buttons to adjust graphic indication will the listening level. be displayed. The 12 12 12 12 12 numerical indication 6 6 6 6 6 ranges from zero (no 1 1 1 1 1 5 5 sound) to 63 (maxi
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TC-14A12P / TC-20B12 Operation Guide - 7 - General Operation General Operation General Operation General Operation General Operation General Operation General Operation General Operation General Operation General Operation 12. 12. 12. 12. 12. R-TUNE R-TUNE R-TUNE R-TUNE R-TUNE Button Button Button Button Button 9. 9. 9. 9. 9. PICTURE MENU PICTURE MENU PICTURE MENU PICTURE MENU PICTURE MENU Button Button Button Button Button Press this button to instantly switch between the last two channels sele
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TC-14A12P / TC-20B12 Operation Guide - 8 - Main Menu List Main Menu List Main Menu List Main Menu List Main Menu List Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures When the MAIN MENU button is pressed, the icon menu is displayed. This gives access to picture, sound, function, Channel Selection Channel Selection Channel Selection Channel Selection Channel Selection language and setup icons. Select the most familiar channel visualization pattern. Press c
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TC-14A12P / TC-20B12 Operation Guide - 9 - Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures MAIN MENU MAIN MENU MAIN MENU MAIN MENU MAIN MENU MAIN MENU MAIN MENU MAIN MENU MAIN MENU MAIN MENU POWER FUNC TV/AV VOLUME CHANNEL POWER FUNC TV/AV VOLUME CHANNEL OR OR “Remote control” “Remote control” Channel Selection Mode Channel Selection Mode Channel Selection Mode Chan
Summary of the content on the page No. 10
TC-14A12P / TC-20B12 Operation Guide - 10 - Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Auto Tuning Mode Auto Tuning Mode Auto Tuning Mode Auto Tuning Mode Auto Tuning Mode Manual Tuning Mode Manual Tuning Mode Manual Tuning Mode Manual Tuning Mode Manual Tuning Mode 0 MAIN MENU MAIN MENU MAIN MENU MAIN MENU MAIN MENU MAIN MENU MAIN MENU MAIN MENU MAIN MENU MAIN
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TC-14A12P / TC-20B12 Operation Guide - 11 - Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Fine Tuning Mode Fine Tuning Mode Fine Tuning Mode Fine Tuning Mode Fine Tuning Mode Channel Skip Mode Channel Skip Mode Channel Skip Mode Channel Skip Mode Channel Skip Mode MAIN MENU MAIN MENU MAIN MENU MAIN MENU MAIN MENU MAIN MENU MAIN MENU MAIN MENU MAIN MENU MAIN MENU P
Summary of the content on the page No. 12
TC-14A12P / TC-20B12 Operation Guide - 12 - Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Tuning Procedures Supplementary Remote Control Operations Supplementary Remote Control Operations Supplementary Remote Control Operations Supplementary Remote Control Operations Supplementary Remote Control Operations Color System Mode Color System Mode Color System Mode Picture Menu Picture Menu Color System Mode Color System Mode Picture Menu Picture Menu Picture Menu MAIN MENU M
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Õ TC-14A12P / TC-20B12 Operation Guide - 13 - Supplementary Remote Control Operations Supplementary Remote Control Operations Supplementary Remote Control Operations Supplementary Remote Control Operations Supplementary Remote Control Operations Supplementary Remote Control Operations Supplementary Remote Control Operations Supplementary Remote Control Operations Supplementary Remote Control Operations Supplementary Remote Control Operations Sound Menu Sound Menu Sound Menu Sound Menu Sound Menu
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TC-14A12P / TC-20B12 Operation Guide - 14 - Supplementary Remote Control Operations Supplementary Remote Control Operations Supplementary Remote Control Operations Supplementary Remote Control Operations Supplementary Remote Control Operations Troubleshooting Chart Troubleshooting Chart Troubleshooting Chart Troubleshooting Chart Troubleshooting Chart Before you call for service, determine the symptoms and make a few simple checks, as shown below. cc cc cc cc cc ON MUTE (Mute/Closed Caption) ON
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TC-14A12P / TC-20B12 IC601 (TDA9381PS/N2/3) - Pins and Functions - 15 -
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TC-14A12P / TC-20B12 IC601 - Pins and Functions Nome Nº Descrição P1.3/T1 1 port 1.3 or Counter/Timer 1 input P1.6/SCL 2 port 1.6 or I 2 C-bus clock line P1.7/SDA 3 port 1.7 or I 2 C-bus data line P2.0/TPWM 4 port 2.0 or Tuning PWM output P3.0/ADC0/PWM0 5 port 3.0 or ADC0 input or PWM0 output P3.1/ADC1/PWM1 6 port 3.1 or ADC1 input or PWM1 output P3.2/ADC2/PWM2 7 port 3.2 or ADC2 input or PWM2 output P3.3/ADC3/PWM3 8 port 3.3 or ADC3 input or PWM3 output VSSC/P 9 digital ground for m-Controller
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TC-14A12P / TC-20B12 IC601 - Pins and Functions Nome Nº Descrição BLKIN 50 black current input / (V-guard input, note 2) RO 51 Red output GO 52 Green output BO 53 Blue output VDDA 54 analog supply of Teletext decoder and digital supply of TV-processor (3.3 V) VPE 55 OTP Programming Voltage VDDC 56 digital supply to core (3.3 V) OSCGND 57 oscillator ground supply XTALIN 58 crystal oscillator input XTALOUT 59 crystal oscillator output RESET 60 reset VDDP 61 digital supply to periphery (+3.3 V) P1.
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TC-14A12P / TC-20B12 IC601 - Block Diagram - 18 -
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TC-14A12P / TC-20B12 General Summary CONFIGURATION COLOUR SYSTEM PAL-M / NTSC / PAL-N (PAL-M 50Hz) POWER SOURCE CA Automatic Voltage Selection 110 - 240V AC, 60Hz MEMORY 100 positions TUNING RANGE 181 channels On Screen Display Language English / Spanish / Portuguese Áudio System Mono Vertical Magnetic Field -0.1 ±0.03 (BRASIL) Colour Temperature TC-14A12P: (High Light) x= 0.260±0.01, y=0.265 ±0.01, Y=300 (nit) (Low Light) x= 0.243±0.01, y=0.255 ±0.01, Y=6.5 (nit) TC-20B12: (High Light) x=
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TC-14A12P / TC-20B12 Service Adjustments and Calibrations TO EXIT SERVICE MODE AND RETURN TO THE NORMAL TO ENTER IN THE SERVICE MODE: STATE: 1. Adjust the volume for the minimum. 2. Adjustment the “OFF TIMER” function for 30 minutes. Press the “NORMAL” key on the remote control unit or turn off 3. Simultaneously press the “RECALL“ button of the remote the unit. control unit and the “VOLUME DOWN“ button on the TV set. After some seconds, the TV enters the SERVICE MODE and the “CHK1” expression
