Panasonic CT2511HDB - 25" HOTEL/MOTEL TV, Service Manual

Page 1: ...mpting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt w...

Page 2: ...limits the X ray radiation around the bell of the picture tube in addition to the restricting magnetic effects When using a picture tube test jig for service ensure that the jig is capable of handling...

Page 3: ...justment 16 Options Adjustment 17 MTS Adjustment 17 To Check Purity 18 Helpful Hints 18 Instructional Flow Chart for Serviceman Mode 19 Service Adjustments Electronic Control 21 Sub Brightness 21 Vide...

Page 4: ...g pads with tweezers or with a miniature alligator clip and apply heat to the pad area with a 30 watt iron until solder flows Do not apply heat for more than 3 seconds How to Replace Flat IC Required...

Page 5: ...the high voltage and beam current exceed a predetermined level this protective circuit activates and detunes the horizontal oscillator that limits the high voltage The over voltage protection circuit...

Page 6: ...2 2 2 A V in rear front 1 0 1 1 1 1 1 1 Interface Smart Plug Smart Plug Smart Plug Speaker Out X Mono Fixed X Mono Fixed X Mono Fixed Dimensions mm HxWxD in 568x633 4x491 8 23 14x24 92x19 36 568x633 4...

Page 7: ...o highlight desired features when menus are displayed Also use to select Cable Converter box channels after programming Remote Control Infra red codes the TV AUX CABLE switch must be set in CABLE posi...

Page 8: ...ode button from the main board 3 Remove the C Board from the CRT base and unplug the black wire CRT dag ground C10 4 Disconnect the A11 A12 and Speakers plugs from the A Board 5 Lift the Main Chassis...

Page 9: ...9 Location of Screws Figure 3 Back Cover Removal 3 SCREWS 1 SCREW Some models 1 SCREW 1 SCREW 1 SCREW 1 SCREW Note Screw number my vary depending on model...

Page 10: ...ear View T551 FLYBACK TRC 4 SCREWS ANODE HIGH VOLTAGE Note Following the service remember to dress the cables as shown above DI BOARD A BOARD DEFLECTION YOKE TUNER DAG GROUND SPEAKERS 4 SCREWS EACH C...

Page 11: ...se the correct ground for the lead of the DVM C809 131V 2 5V TPD9 13 0V 2V C552 20 0V 2V 27 25 8 0V 1V 32 TPD8 27 4V 2V CATHODE OF D554 220 0V 15V 27 32 220 0V 5V 25 Adjust Picture Menu for normalized...

Page 12: ...4 Q501 19 C552 3 IC101 VCJ 10 IC2451 SOUND AGC OTHERS 20 C809 4 IC451VERTICAL CONNECTORS 15 T551 FLYBACK 21 REMOTE SENSOR 5 IC551 11 A V INPUT FRONT 16 FUSE 22 RL801 6 IC552 C BOARD DI BOARD Except CT...

Page 13: ...ity Check green screen appears For a 2 piece assembly Fig 7 Loosen the deflection yoke clamp screw and move the deflection yoke back as close to the purity magnet as possible Adjust the front rings to...

Page 14: ...nverge the set without the strip and observe the corners If correction is needed 1 Place strip between CRT and yoke in quadrant needing correction Slowly move it around for desired results 2 Press adh...

Page 15: ...ton decrease on Receiver Red CHK appears in upper corner 7 Press the Power Button on the Remote Control to select one of six Serviceman Adjustment Modes 1 B Serviceman VCJ SUB DATA ADJUSTEMENT 2 C Ser...

Page 16: ...fault Level C0 CUT OFF R 0 1 0 255 0 127 C1 CUT OFF G 0 255 64 C2 CUT OFF B 0 1 0 255 0 100 C3 DRIVE R 0 127 67 C4 DRIVE B 0 127 64 C5 YNR SWITCH 0 1 0 C6 AFT 0 1 0 255 1 103 C7 RF AGC 0 127 64 C8 YNR...

Page 17: ...e selected Service Adjustment See b in Fig 13 CH CH PW To B Items IMPORTANT NOTE Always Exit the Serviceman Mode Following Adjustments Options Adjustment Adj Range Default Level S0 PIP COLOR 0 127 80...

Page 18: ...eiver is ON and operating in Normal Mode momentarily short test point FA1 TP8 to Cold Ground FA2 TP3 A Board The Receiver enters the Aging Mode Yellow letters CHK appear in the upper left corner of th...

Page 19: ...E AGING MODE Yellow CHK appears in upper left corner of screen Volume Up Down operate rapidly Costumer Controls are set to nominal level SERVICEMAN MODE CHK turns red Volume Up Down operate normally C...

Page 20: ...S ADJUSTMENTS M ITEMS Adj needed N Y M2 LOW LEVEL SEPARATION M1 HIGH LEVEL SEPARATION M0 INPUT LEVEL OPTIONS ADJUSTMENTS S ITEMS Adj needed N Y Sd LOUDNESS COMPENSATION Sc PIP TINT Sb CLOCK ADJUSTMENT...

Page 21: ...the DAC Sub Contrast Adjustment B3 Sub Contrast Serviceman DAC Adjustment B3 This adjustment is factory set Do not adjust unless repairs are made to associated circuit the CRT Board or when the CRT i...

Page 22: ...n Fig 21 5 Connect the scope to GRN Cathode KG on the CRT Board 6 In the Serviceman Mode for making electronic adjustments select the GREEN CUTOFF DAC C1 7 Press the R Tune key on the remote 8 View sc...

Page 23: ...rmed only when IC002 or IC101 is replaced Preparation 1 Apply the following signal at the antenna 70dB 5dB 75 open P S 10dB audio signal set to monaural 300Hz 100 modulation video input of 100 IRE fla...

Page 24: ...aster are visible 2 Adjust the VERTICAL SIZE control B7 until the top and the bottom of the raster touch the bezel edge The advance SIZE control to obtain an approximately 10 overscan Linearity adjust...

Page 25: ...o highlight the Ch Cap icon then press the ACTION button Use the CH buttons to highlight the channel number then press the VOL buttons to select characters for the channel caption Press the ACTION but...

Page 26: ...onds when the procedure is complete 6 Disconnect the clone box from the television and turn it OFF 7 Reset the volume on the television 8 Refer to the section entitled Setting Up Other Televisions Usi...

Page 27: ...The LEDs will flash red and green to confirm power is ON 2 Connect the clone box to the Digital Interface port on the back of the television The television must be plugged into an AC outlet but can be...

Page 28: ...r Ver Pulse Output CW Out Spot KILLER Off Input X ray Prot Out Hor Pulse Output X ray Protection Input Hor VCO 32fH AFC1 Filter Vcc3 6 2V FBP Input GND Luma Chroma Sync Chrominance Input Black Expansi...

Page 29: ...7 28 29 30 31 32 62 60 59 58 56 54 52 49 48 47 46 45 44 43 42 41 40 39 63 61 57 55 53 51 50 64 38 37 36 35 34 33 VOL S A ON OFF IF DEFEAT RECHARGE MNTR PW DOWN DATA IN REMOTE SIGNAL AFC 1st T AFC 2nd...

Page 30: ...22PF J 50V C036 ECJ2VC1H220J CAP C 22PF J 50V C037 ECJ2VC1H220J CAP C 22PF J 50V C038 ECJ2VC1H220J CAP C 22PF J 50V C101 ECJ2VF1H223Z CAP C 022UF Z050V C102 ECA1EM100 CAP E 10UF 25V C103 ECJ2VC1H300J...

Page 31: ...C 100PF K 500V C531 ECA1EM220 CAP E 22UF 25V C532 ECA1AM102 CAP E 1000UF 10V C533 ECJ2VF1H103Z CAP C 01UF Z 50V C534 ECJ2VF1H103Z CAP C 01UF Z 50V C551 ECA1VM331 CAP E 330UF 35V C552 ECA1EM471 CAP E...

Page 32: ...0V C811 ECQU2A153MV CAP P 015UF M 250V C812 ECQU2A224MV CAP P 22UF M 250VAC C814 ECQB1H333JM CAP P 033UF J 50V CT 2511HDB CT 2521HDB CT 2721HDB C814 ECQB1H823JM CAP P 082UF J 50V CT 3221HDB C815 ECA1E...

Page 33: ...2511HDB CT 2521HDB CT 2721HDB D554 AU02 DIODE D555 MA165 DIODE D556 MA4360H DIODE ZENER D558 RS3FS DIODE D559 BYD33G 113 DIODE D560 MA165 DIODE D561 AU02 DIODE REF NO PART NO DESCRIPTION D751 MA2270B...

Page 34: ...0K COIL PEAKING 1 0UH L105 EIV7EN053B COIL VCO L106 ELESN180JA COIL PEAKING 18UH L241 EXCELSA24T FERRITE BEAD L253 EXCELSA35 FERRITE BEAD L351 TLTABT101K COIL PEAKING REF NO PART NO DESCRIPTION L551 E...

Page 35: ...0K J 1 10 R021 ERJ6GEYJ101 RES M 100 J 1 10 R022 ERJ6GEYJ101 RES M 100 J 1 10 R023 ERJ6GEYJ102 RES M 1K J 1 10 R025 ERJ6GEYJ223 RES M 22K J 1 10 R026 ERJ6GEYJ273 RES M 27K J 1 10 R027 ERJ6GEYJ622 RES...

Page 36: ...2511HDB CT 2521HDB CT 2721HDB R362 ERJ6GEYJ911 RES M 910 J 1 10 CT 3221HDB R363 ERJ6GEYJ101 RES M 100 J 1 10 R364 ERJ6GEYJ101 RES M 100 J 1 10 R365 ERJ6GEYJ101 RES M 100 J 1 10 R370 ERDS2TJ224 RES C 2...

Page 37: ...21HDB CT 2721HDB R554 ERG2FJ390H RES M 39 J 2W R556 ERDS2TJ272 RES C 2 7K J 1 4 R557 ERDS2TJ103 RES C 10K J 1 4 R558 ERQ1CKPR56 RES F 56 K 1W CT 2721HDB REF NO PART NO DESCRIPTION R558 ERQ1CZKR33 RES...

Page 38: ...1K J 1 10 R1008 ERJ6GEYJ102 RES M 1K J 1 10 R1010 ERDS2TJ472 RES C 4 7K J 1 4 CT 2521HDB CT 2721HDB CT 3221HDB REF NO PART NO DESCRIPTION R1010 ERJ6GEYJ103 RES M 10K J 1 10 R1011 ERDS2TJ103 RES C 10K...

Page 39: ...S002 EVQPF106K SWITCH S003 EVQPF106K SWITCH S004 EVQPF106K SWITCH S005 EVQPF106K SWITCH S008 EVQPF106K SWITCH S009 EVQPF106K SWITCH TRANSFORMERS T001 TLP16297 TRANSFORMER POWER SUPPLY T501 TLH15452 TR...

Page 40: ...B DY TLY2AA003 DEFLECTION YOKE CT 2721HDB DY TLY2AA008 DEFLECTION YOKE CT 3221HDB DY TLY2AA013 DEFLECTION YOKE CT 2511HDB CT 2521HDB M023 TQB2AA0361 1 MANUAL OWNERS M024 TQB2AA7034 V CHIP INSTRUCTIONS...

Page 41: ...por el fabricante 6 LINEA GRUESA indica las l neas de alimentaci n de los Voltajes B 7 Los diagramas el ctricos est n sujetos a cambio sin previo aviso 8 El s mbolo indica que es una conexi n a Tierr...

Page 42: ...42 CT 2511HDB A Board Schematic Left Portion Diagrama El ctrico de la Tarjeta A Secci n Izquierda FO book Page 42 Wednesday November 1 2000 11 41 AM...

Page 43: ...inal de alg n componente son indicados por Los puntos de prueba fuera de los componentes se indican con 5 Los componentes se alados con el s mbolo son considerados componentes cr ticos y deben ser ree...

Page 44: ...COMPONENTES CRITICOS SOLO PARTES ESPECIFICADAS POR EL FABRICANTES LOS COMPONENTES CRITICOS ESTAN SE ALADOS EN LOS DIAGRAMAS POR EL SIMBOLO IMPORTANT SAFETY NOTICE THIS SCHEMATIC DIAGRAM INCORPORATES...

Page 45: ...l Negro 3 Los ajustes de usuario de los Menus PICTURE y AUDIO se normalizaron Posteriormente el nivel de volumen se ajusta al m nimo 4 Las formas de onda de Video y Color fueron tomadas con un oscilos...

Page 46: ...46 CT 2521HDB A Board Schematic Diagrama El ctrico Tarjeta A FO book Page 46 Wednesday November 1 2000 11 41 AM...

Page 47: ...os diagramas el ctricos est n sujetos a cambio sin previo aviso 8 El s mbolo indica que es una conexi n a Tierra Caliente y el s mbolo indica conexi n a Tierra Fr a NOTA Los demas s mbolos de componen...

Page 48: ...48 CT 2721HDB A Board Schematic Left Portion Diagrama El ctrico Tarjeta A Secci n Izquierda FO book Page 48 Wednesday November 1 2000 11 41 AM...

Page 49: ...os diagramas el ctricos est n sujetos a cambio sin previo aviso 8 El s mbolo indica que es una conexi n a Tierra Caliente y el s mbolo indica conexi n a Tierra Fr a NOTA Los demas s mbolos de componen...

Page 50: ...50 CT 3221HDB A Board Schematic Left Portion Diagrama El ctrico Tarjeta A Secci n Izquierda FO book Page 50 Wednesday November 1 2000 11 41 AM...

Page 51: ...os diagramas el ctricos est n sujetos a cambio sin previo aviso 8 El s mbolo indica que es una conexi n a Tierra Caliente y el s mbolo indica conexi n a Tierra Fr a NOTA Los demas s mbolos de componen...

Page 52: ...44 11 90 3 87 Q752 11 87 0 77 12 54 Q753 0 78 11 06 0 68 B C E Q1001 0 34 0 65 GND Q1002 0 35 0 39 GND B C E Q1003 0 75 0 00 GND Q1004 0 01 12 03 GND Q1005 0 54 0 04 GND Q1006 0 00 0 67 GND Q1007 0 04...

Page 53: ...4 0 68 0 12 0 15 12 05 IC 803 1 2 3 4 5 75 49 130 66 299 15 117 76 130 17 B E C IDENTIFICACI N DE TERMINALES PARA TRANSISTORES EN CHIP B E C CHIP TRANSISTOR LEAD DESIGNATION Voltage Measurements 1 Vol...