Panoramic TVP-2914 Service Manual
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Panoramic TVP-2914 Service Manual

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Service Manual

Model TVP-2914
CODE: 1.01.72434.50

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Summary of Contents for Panoramic TVP-2914

  • Page 1: Service Manual

    Service Manual Model TVP-2914 CODE: 1.01.72434.50...

  • Page 2: Table Of Contents

    TVP-2914 INDEX GENERAL ........................2 PRODUCT FRONT VIEW...................2 PRODUCT BACK VIEW.....................3 REMOTE CONTROL....................4 TECHINICAL SPECIFICATION.................5 AUDIO ..........................5 POWER SUPPLY ......................8 FRAME GEOMETRIC ....................11 PURITY........................18 CONVERGENCE .......................18 VIDEO ..........................19 CALIBRATION GUIDE .....................22 IMPORTANT RECOMENDATIONS ...............23 DEFINITION OF THE REGISTERS................24 GEOMETRY OF THE IMAGE ..................27 WHITE BALANCE .....................27...

  • Page 3: General

    TVP-2914 GENERAL 1.1 Product Front View 1.1.1 Front Panel Functions and Indications Master Channel + Standby Menu Remote control sensor 10 AV Power 11 Video IN 1 Volume - 12 Audio IN 1 L (mono) Volume + 13 Audio IN 1 R...

  • Page 4: Product Back View

    TVP-2914 Product Back View Back Panel Functions and Indications Subwoofer OUT AV-2 IN audio R AV-2 IN video Audio OUT R AV-2 IN audio L/Mono Audio OUT L S-Video IN AV-2 AERIAL Cable Functions Image Sound Menu Functions Functions Install...

  • Page 5: Remote Control

    TVP-2914 1.3 REMOTE CONTROL 1.3.1 Remote Control Functions Power Sleep 10 100+ 11 Menu Volume + 12 Volume - Channel - 13 Channel + Numerical keys 14 OSD/OUT P.Channel 15 AV Stereo SAP 16 Mute...

  • Page 6: Techinical Specification

    TVP-2914 2. TECHINICAL SPECIFICATION Procedure to check up color TV electrical parameters Audio 2.1.1 Output power at 10% THD Connection through external video and audio input a) TV setup in “PP” condition. b) Connect a color bar generator (PAL-M system) to video input.
  • Page 7 TVP-2914 2.1.3 Audio frequency response in TV’s without tone control a) TV adjustment condition: ü Balance center ü Bass center ü Treble center b) Connect a color bar generator (PAL-M system) to video-in. c) Connect to the audio input TV - an audio generator adjust to 500 mVac level, and sine wave 1kHz.
  • Page 8 TVP-2914 2.1.5 Channel separation in Stereo reception for the stereo television set a) TV setup in PP condition. b) Apply a 60dBmV signal (frequency and channel factory defined) with 88% video modulation and audio stereo carrier modulation within the standard “MTS”...

  • Page 9: Power Supply

    TVP-2914 e) Adjust the Stereo/SAP generator for 400 Hz sine wave and 100% modulation. f) Active the SAP function in the Test Television. g) Read Vac at the AC volt-distortion-meter. h) Repeat all above procedures, connecting the volt-distortion-meter at the...
  • Page 10 TVP-2914 e) Repeat all below procedures, connecting now the television under test to a 110Vac/60 Hz line. Condition Minimum Nominal Maximum Unit 117V “PP” 125,00 117V Stand-By 3,00 234V “PP” 125,00 234V Stand-By 3,00 2.2.2 Main Power Supply a) Connect the TV set under test to 110Vac/60Hz line.
  • Page 11 TVP-2914 Condition Test Point Minimum Nominal Maximum Unit “PP” 100V +B (Cathode of D807) 130,50 132,50 134,50 “PP” 100V Áudio (Cahtode of D808) 20,00 22,00 24,00 “PP” 100V Tuner (Cathode of DZ101) 30,00 33,00 36,00 “PP” 100V +5V (Emitter of Q101)

  • Page 12: Frame Geometric

    TVP-2914 Condition Minimum Nominal Maximum Unit mín. 28,50 30,50 32,50 =1,70mA 26,50 28,50 30,50 2.2.6 Dielectric Rigid Adjust the HI_POT equipment to 1500 Vac voltage, and the desired test current, in accordance with the below specification table. When the TV set have a power switch, make sure that this switch stay in the ON mode.
  • Page 13 TVP-2914 Minimum Nominal Maximum Unit Altura (PAL-N) 12,50 12,80 13,10 Blocks Largura (PAL-N) 16,20 16,50 16,80 Blocks Altura (PAL-M) 12,70 13,00 13,30 Blocks Largura (PAL-M) 16,70 17,00 17,30 Blocks...
  • Page 14 TVP-2914 2.3.2 Frame centralization Preparation: a) Connect the receiver under test to a 117 V line. Turn On the TV and position the bright and contrast control to the maximum, and the saturation and volume controls to the minimum position.
  • Page 15 TVP-2914 M = (a + b + c + d) / 4, and verify the proportion a/M, b/M, c/M e d/M. Check for systems PAL-M and PAL-N Minimum Nominal Maximum Unit 0,95 1,00 1,05 0,95 1,00 1,05 0,95 1,00 1,05...
  • Page 16 TVP-2914 PAL-M Minimum Nominal Maximum Unit 1,10 1,30 0,70 0,90 PAL-N Minimum Nominal Maximum Unit 1,10 1,30 0,70 0,90...
  • Page 17 TVP-2914 2.3.5 Vertical Linearity a) Connect the receiver to a 117V line Turn on the TV and adjust bright and contrast control to max. position, saturation and volume to min. Position. Wait for the heat period (please see the specification for this model).
  • Page 18 TVP-2914 PAL-N Minimum Nominal Maximum Unit 1,10 1,40 0,60 0,90 2.3.6 Pin-Cushion & Shape of Raster a) Connect the receiver to a 117V line. Turn on the TV and adjust bright and contrast control to max. position, saturation and volume to min. Position. Wait for the heat period (please see the specification for this model).

  • Page 19: Purity

    TVP-2914 Purity a) Connect the receiver to a 117V line Turn on the TV and adjust bright to nominal position and contrast control to min. position, saturation and volume to min. position. b) Apply to the antenna input a 60dBµV level signal with 88% modulated “WHITE”...

  • Page 20: Video

    TVP-2914 Point X, Y LIMITS (mm) BG, RG b, c d, e f, g, h, j f’, g', h', j' k, l, m, n s, t, u, v Video 2.6.1 Sensibility and Signal /Noise Rate a) Adjust the TV to a “PP” condition.
  • Page 21 TVP-2914 2.6.2 Chrome sensibility a) Adjust the TV to a “PP” condition. b) Apply to the antenna input a 60dBµV signal with 88% AM modulation with PAL-M color pattern (Frequency and channel factory defined), and FM sine wave 400Hz audio modulation +-25 kHz deviation.
  • Page 22 TVP-2914 2.6.5 AFT circuit. a) Apply to the antenna input a 60dBµV signal with 88% AM modulation with PAL-M COLOR BAR pattern (Frequency and channel factory defined), and FM sine wave 400 Hz audio modulation +-25 kHz deviation b) Connect a oscilloscope in the output video detector and read the peak to peak burst level signal “Vb”...

  • Page 23: Calibration Guide

    TVP-2914 3. CALIBRATION GUIDE Note: This guide is only an orientation and, for some items, may be adapted by Factory Engineering to best conform to the productive process. INTRODUCTION Note: ü It is necessary to pre-heat the TV during 15 minutes, before its calibration.
  • Page 24 TVP-2914 Important recommendations 3.1.1 Before beginning the adjustments, the TV set should be a pre-heated during at least 15 minutes. 3.1.2 The positioning of the TV set should obey the magnetic parameters of South America that it is -120 vertical mG. In the practice, this is gotten with a relative precision, positioning the TV set with the face (screen) of the CRT pointing to the geographical East.
  • Page 25 TVP-2914 Definitions of the registers Description of service and factory registers Register Name Range Description Default Value 00 63 Horizontal shift 00 00 Vertical screen 00 63 Vertical slope VAm 00 63 Vertical amplitude 00 63 Vertical shift 00 63 S-correction The registers bellow must be set to the default values.
  • Page 26 TVP-2914 Defl 00 255 Deflection VIF0 00 255 Vision IF 0 VIF1 00 255 Vision IF 1 SND0 00 255 Sound 0 CTL0 00 255 Control 0 CTL1 00 255 Control 1 SND1 00 255 Sound 1 FEA0 00 63 Features 0...
  • Page 27 TVP-2914 Marcador 96 (ASTU) Marcador 97 (TUNER) Valor Função Valor Função Para TUNER que roda Quando o pino MAS do com o protocolo tuner está aterrado. europeu.(Ex. UV1336S/A) Para TUNER que roda Quando o pino MAS do com protocolo tuner está aberto.
  • Page 28 TVP-2914 Geometry of the Image a) Using the PM - 5515 generator, apply the crosshatch pattern with circle. b) Adjust the bellow items, until obtaining the best circle symmetry and positioning, as well as the minor image geometric distortion: ü Use the register (VSl) to adjust the Vertical slope;...

  • Page 29: Screen Adjustment

    TVP-2914 Screen adjustment Mode 1: a) Apply a gray scale pattern. b) Adjust the controls to: ü Brightness - 50% ü Contrast - 70% c) Measure DC voltage on the three cathodes (CRT) (one at a time) and select the highest one.

  • Page 30: Material List

    TVP-2914 4. MATERIAL LIST MAIN PCB CAPACITORS CODE DESCRIPTION POSITION 1330104106 C.POLYEMT 100KPF/63V K C673 1330104106 C.POLYEMT 100KPF/63V K C674 1330104106 C.POLYEMT 100KPF/63V K C807 1330104106 C.POLYEMT 100KPF/63V K C812 1330104421 C.POLYMET 100KPF/250V J C404 1330104421 C.POLYMET 100KPF/250V J C904 1330104421 C.POLYMET 100KPF/250V J...
  • Page 31 TVP-2914 CODE DESCRIPTION POSITION 1380101228 ELCO 100UF/16V M 6,3x11MM C613 1380101228 ELCO 100UF/16V M 6,3x11MM C624 1380101228 ELCO 100UF/16V M 6,3x11MM C647 1380101228 ELCO 100UF/16V M 6,3x11MM C705 1380101228 ELCO 100UF/16V M 6,3x11MM C706 1380101228 ELCO 100UF/16V M 6,3x11MM C720...
  • Page 32 TVP-2914 CODE DESCRIPTION POSITION 1380479622 ELCO 4,7UF/100V M 5x11mm C626 1380479622 ELCO 4,7UF/100V M 5x11mm C629 1380479622 ELCO 4,7UF/100V M 5x11mm C630 1380479622 ELCO 4,7UF/100V M 5x11mm C644 1380479622 ELCO 4,7UF/100V M 5x11mm C666 1380479522 ELCO 4,7UF/50V M 5X11MM C414...
  • Page 33 TVP-2914 CODE DESCRIPTION POSITION 1492010200 CAP.SMD X7R 1KPF/50V K 0603 C714 1492010200 CAP.SMD X7R 1KPF/50V K 0603 C770 1492010200 CAP.SMD X7R 1KPF/50V K 0603 C771 1492010300 CAP.SMD X7R 10KPF/50V K 0603 C106 1492010300 CAP.SMD X7R 10KPF/50V K 0603 C213 1492010300 CAP.SMD X7R 10KPF/50V K 0603...
  • Page 34 TVP-2914 CODE DESCRIPTION POSITION 1265224563 CAP.PP MKP 220KPF/250V K SUPX2 C846 1265224564 CAP.PP MKP 220KPF/250V K SUPX3 C845 1265224564 CAP.PP MKP 220KPF/250V K SUPX3 C846 1265472953 CAP. PP MFP RM15 4K7PF/1K6V J C815 1265474552 CAP.POLYPRO MET.470KPF/250V J C409 1291102318 ELCO 1000UF/16V M 10X16MM...
  • Page 35 TVP-2914 CODE DESCRIPTION POSITION 1183510192 RES.METAL FILME 1/2W 100R 5% N R509 1183510192 RES.METAL FILME 1/2W 100R 5% N R510 1183510192 RES.METAL FILME 1/2W 100R 5% N R601 1183510192 RES.METAL FILME 1/2W 100R 5% N R620 1183510192 RES.METAL FILME 1/2W 100R 5% N...
  • Page 36 TVP-2914 CODE DESCRIPTION POSITION 1183539292 RES.METAL FILME 1/2W 3,9K 5% N R106 1183547092 RES.METAL FILME 1/2W 47R 5% N R827 1183547092 RES.METAL FILME 1/2W 47R 5% N R903 1183547092 RES.METAL FILME 1/2W 47R 5% N R909 1183547092 RES.METAL FILME 1/2W 47R 5% N...
  • Page 37 TVP-2914 CODE DESCRIPTION POSITION 1502510403 RES.SMD 100K 5% 0603 R644 1502510403 RES.SMD 100K 5% 0603 R645 1502510403 RES.SMD 100K 5% 0603 R646 1502510403 RES.SMD 100K 5% 0603 R648 1502510403 RES.SMD 100K 5% 0603 R650 1502512103 RES.SMD 120R 5% 0603 R203 1502512203 RES.SMD 1,2K 5% 0603...
  • Page 38 TVP-2914 CODE DESCRIPTION POSITION 1502547303 RES.SMD 47K 5% 0603 R743 1502547303 RES.SMD 47K 5% 0603 R843 1502547903 RES.SMD 4,7R 5% 0603 R202 1502556203 RES.SMD 5,6K 5% 0603 R604 1502556203 RES.SMD 5,6K 5% 0603 R623 1502556203 RES.SMD 5,6K 5% 0603 R666 1502556203 RES.SMD 5,6K 5% 0603...
  • Page 39 TVP-2914 CODE DESCRIPTION POSITION 1183510126 FUSISTOR 1/2W 100R 5% D.KINK FR803 1183510926 FUSISTOR 1/2W 1R 5% D.KINK FR419 1183510926 FUSISTOR 1/2W 1R 5% D.KINK FR801 1183522226 FUSISTOR 1/2W 2K2 5% D.KINK FR804 SEMICONDUCTORS CODE DESCRIPTION POSITION 1320090800 TRANSISTOR KSP42TA/MPSA42RL1 Q401...
  • Page 40 TVP-2914 CODE DESCRIPTION POSITION 1414621903 DIODO BAV21 D904 1414621905 DIODO DE CHAVEAMENTO 1SS244T77 D302 1414621905 DIODO DE CHAVEAMENTO 1SS244T77 D303 1414621905 DIODO DE CHAVEAMENTO 1SS244T77 D902 1414621905 DIODO DE CHAVEAMENTO 1SS244T77 D903 1414621905 DIODO DE CHAVEAMENTO 1SS244T77 D904 1415166801 DIODO BZX79B9V1...
  • Page 41 TVP-2914 CODE DESCRIPTION POSITION 1710100081 I.C. SMD BR24C08/F IC701 1710700119 I.C. GRAVADO 1710700000 V3.00 IC101 1710700019 I.C. SOFT V3.00 (TDA9570H/N1) 1710700000 I.C. SMD TDA9570H/N1 1710100160 I.C. TDA9570H/N1 1139999159 PHOTOCOUPLER PS2501-1-H IC803 1139999427 PHOTO COUPLER PC817X1 A (DIP) IC803 1139999431 PHOTO COUPLER PS-2501-1-Q...
  • Page 42 TVP-2914 CODE DESCRIPTION POSITION 1068101700 ETIQ.NUMERO DE SERIE 1068127201 ETIQ.ADES.N.SERIE C/5 1125707500 PTC B59205-T80-B10 T205 9r+9r PTC801 1125708600 PTC 96578 PTC801 1161000012 CABO FRAY 2,54 24AWG 5V 520MM GF501 1161300522 CABO FRAY2,54 2V 24AWG 500MM GF602 1169200130 FITA 2VIAS 24AWG PR 800MM...
  • Page 43 TVP-2914 CODE DESCRIPTION POSITION 1633213100 CJT.TOMADA 3RCA HZ C/CHAVE 1633213500 CJT.C/6 TOMADAS RCA JK601 1638101012 SOQUETE P/CINESCOPIO 1SHM12S SQ901 1647664200 CJT.CHIC.3V.450MM AMP IN HEAD CN401 1657215402 CJT.DISSIPADOR SAIDA VT IC301 1657234201 DISSIPADOR FONTE/POTENCIA Q801,Q803 1657234252 DISSIPADOR SAIDA HT Q402 1657234253...
  • Page 44 TVP-2914 CODE DESCRIPTION POSITION 1886000100 PILHA PEQUENA AA 1.5V 1886000100 PILHA PEQUENA AA 1.5V 1311604100 BOBINA DESMAGNETIZ.29"20r+20r P802 1068130005 ETIQ.NUMERO DE SERIE - DL 1067223803 ETIQ.ALERTA CABO DE FORCA 1067243402 ETIQUETA DO IMPORTADOR 1067301907 ETIQ.A.ADES.PIMACO A4364 1065222503 CERTIFICADO DE GARANTIA...

  • Page 45: Electrical Scheme

    TVP-2914 5. ELECTRICAL SCHEME 5.1 MAIN AND REMOTE CONTROL PCB 6. SILKTOPS AND SOLDERS 6.1 MAIN PCB 6.2 REMOTE CONTROL PCB 7. EXPLODED VIEW 8. BLOCK DIAGRAM...
  • Page 46 R606 R607 R604 2.2uF/100V R605 SPARK D301 C618 SF101 R601 33KpF/25V TU101 ANT. M1871M/ TP-L SK107 R781 100nF/25V F6221 100R C601 BC846B VHF/UHF IC301 Q602 C101 STV9379FA C306 R771 33pF/50V DEMODU FLAYBACK CONTROL 33pF/50V GENERATOR CONTROL ADJUST LOUDNESS CONTROL LEFT R627 R311 LEFT...
  • Page 47 R850 C842 Q406 D802 R854 R849 C441 C870 205V R852 PROJEÇÃO PROJEÇÃO TÍTULO TÍTULO MAIN PCB MAIN PCB dimensões em mm dimensões em mm NOME NOME DATA DATA MAT. MAT. APROV. APROV. 15/08/00 15/08/00 MOD. MOD. TVP-2914 TVP-2914 N.º N.º...
  • Page 48 R843 R840 R706 R848 R855 R845 Q808 -13V 205V C842 PROJEÇÃO PROJEÇÃO TÍTULO TÍTULO MAIN PCB MAIN PCB dimensões em mm dimensões em mm NOME NOME DATA DATA MAT. MAT. APROV. APROV. 15/08/00 15/08/00 MOD. MOD. TVP-2914 TVP-2914 N.º N.º...
  • Page 49 POWER MUTE SLEEP OSD/OUT MENU P.CH 100+ ST/SAP 72220.30 29.10.02 PROJEÇÃO TÍTULO: REMOTE CONTROL PCB dimensões em mm NOME DATA MAT. 15/08/00 DES. ACAB. 15/08/00 ESC. TOL. N.º PROJ. TVP-2914 15/08/00 APRO. MOD.
  • Page 50 PROJEÇÃO TÍTULO: REMOTE CONTROL PCB dimensões em mm NOME DATA MAT. 15/08/00 DES. ACAB. 15/08/00 ESC. TOL. N.º PROJ. TVP-2914 15/08/00 APRO. MOD.
  • Page 52 IC301 STV9379FA TU101 TUNER VERTICAL OUTPUT VERTICAL DEFLECTION CURRENT IC901 TDA6106 I²C BUS RGB AMP IR RC SENSOR IC101 TDA9570 - µCONTROLLER -15V AUDIO / VIDEO IC901 IF PROCESSOR AUX INPUT TDA6106 Y/C PROCESSOR +15V RGB AMP V901 SYNC PROCESSOR I²C BUS IC701 STANDBY_L...

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