Panasonic CT20SX10B - 20" COLOR TV Скачать руководство пользователя страница 12 | Manualshive

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Identification of Main Components

Figure 6. RECEIVER REAR VIEW DETAIL

Figure 7.

Speaker Dome

After servicing the receiver, remember

to dress the AC cord as shown

Note:

After servicing the receiver, remember
to dress the cables, as shown above.

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Содержание CT20SX10B - 20" COLOR TV

Страница 1: ...enced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to servi...

Страница 2: ...r the tube viewing area against X ray radiation as well as implosion The magnetic shield limits the X ray radiation around the bell of the picture tube in addition to the restricting magnetic effects...

Страница 3: ...c Controls 20 Entering Serviceman Mode 20 Toggle between Modes 20 Exiting the Serviceman Mode 20 Purity Check 20 Helpful Hints 20 Sub Data Adjustment 21 Cut Off Adjustment 21 Geometric Adjustment 22 S...

Страница 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...

Страница 5: ...be replaced with identical parts Order parts from the manufacturer s parts center using the parts numbers shown in this service manual or provide the chassis number and the part reference number For o...

Страница 6: ...n Dome Bass Bl Tre Control X X X X AI Sound X X X X Surround X X X X A V in rear front 3 2 1 3 2 1 3 2 1 3 2 1 Component Input 1 1 1 1 Audio Out FAO VAO F V F V F V F V S VHS Input rear front 2 1 1 2...

Страница 7: ...P2AH022 AB AC AE AF Main Chassis C Board TNP2AA068 AB AC AB AC CRT Drive G Board TNP2AA071 AB AC AB AC Audio Circuit H Board TNP2AA070 AA AA AA AA A V Input Switch Q Board TNP2AA067 AB AC AB AC H Driv...

Страница 8: ...t Audio Menus Video Menus and select operating features when menus are displayed Channel Buttons Press to select programmed channels Press to highlight desired features when menus are displayed Also u...

Страница 9: ...in Menu and access or exit On Screen features and Adjustment Menus REW PLAY FF TV VCR STOP PAUSE REC VCR CHANNEL Component function buttons For more functions and information about this Remote Control...

Страница 10: ...onnectors Is secured to Q551 heat sink by two screws Note Use a small flat head screwdriver to release the connector locking tabs Speaker Dome Each speaker is secured to the front cabinet with 2 screw...

Страница 11: ...ion Anode High Voltage CRT Secured to Cabinet by 4 screws on corners Deflection Yoke C Board Yoke Wedges H Board Q Board Flyback T551 Tuner Deg Coil DAG Gnd A Board Main Chassis Speaker Dome Note Afte...

Страница 12: ...f Main Components Figure 6 RECEIVER REAR VIEW DETAIL Figure 7 Speaker Dome After servicing the receiver remember to dress the AC cord as shown Note After servicing the receiver remember to dress the c...

Страница 13: ...7 10 9 12 13 16 17 NO LOCATION OF COMPONENTS INTEGRATED CIRCUITS 7 IC005 OTHERS 1 IC001 MPU 8 IC801 12 Tuner 2 IC6501 Comb Filter CONNECTORS 13 Fuse 3 IC101 VCJ 9 A22 A23 14 Relay 4 IC 451 10 A11 15 D...

Страница 14: ...tion of Main Components Figure 9 C H G and Q Board Main Components H Board CRT Socket Q955 Q950 IC351 IC2352 H11 H4 H5 H6 IC2401 IC2301 IC2302 Remote Sensor Power Bottom C Board G Board IC750 Q755 Q75...

Страница 15: ...1 open the tabs the same angle from the center until the center line of the pattern becomes a straight line centered with the marks of the CRT see Fig 12 Initial Center Static Convergence Connect a do...

Страница 16: ...soldering iron to reseal the magnets Slightly tilt vertically and horizontally do not rotate the deflection yoke to obtain a good overall convergence If convergence is not reached at the edges insert...

Страница 17: ...for center convergence As the yoke is tilted horizontally one raster gets larger while the other gets smaller Figure 15 Horizontal Yoke Movement 11 o clock Position Double sided adhesive tape 3 o cloc...

Страница 18: ...ect the DVM between C849 side A Board and cold ground 3 Confirm that B voltage is 140 0V 1 5V This voltage supplies B to the Horizontal Output Flyback circuits Source Voltage Chart 120V AC line input...

Страница 19: ...readjustment Preparation 1 Connect a High voltage meter Capable of handle 50kV to the CRT anode 2 Connect the set to AC line and turn it on Procedure 1 Apply a crosshatch pattern 2 Set Picture Control...

Страница 20: ...viceman VCJ CUT OFF ADJUSTMENTS 3 D Serviceman GEOMETRIC ADJUSTMENTS 4 S Serviceman S OPTION ADJUSTMENTS 5 X Serviceman GEOMAGNETIC ADJUSTMENTS 6 CHK Normal operation of CHANNEL and VOLUME Exiting the...

Страница 21: ...7 C1 CUT OFF G 0 257 127 C2 CUT OFF B 0 257 127 C3 BRIGHTNESS 0 63 31 C4 G DRIVE 0 127 64 C5 B DRIVE 0 127 64 C6 COLOR TEMP DRIVE 0 127 4 C7 COLOR TEMP CONTRAST 0 127 1 C8 R CUT OFF COMP 0 257 125 C9...

Страница 22: ...BRIGHTNESS OSD 0 15 9 S3 RGB GAMMA 0 1 1 S4 COLOR GAMMA 0 1 1 S5 VSM GAIN 0 1 0 S6 BK START POINT 0 7 2 S7 CLOCK CORRECTION 0 255 128 S8 LOUDNESS COMP 0 63 63 S9 CAPTION DIG FILTER 0 1 0 Sa CAPTION SC...

Страница 23: ...nel Up Down on the Remote Control to select one of the available Service Adjustments a in Fig 17 Note Write Down the original value set b in Fig 17 for each address before modifying anything It is eas...

Страница 24: ...EMAN MODE CHK turns red Volume Up Down operate normally Customer Controls are set to nominal level SUB DATA ADJUSTMENTS B ITEMS QUICK ENTRY TO SERVICEMAN MODE Select CABLE Mode Set SLEEP time for 30 M...

Страница 25: ...Y S ADJUSTMENTS S ITEMS Adj needed N Y POWER ON REMOTE POWER ON REMOTE POWER ON REMOTE ON REMOTE CONTROL TO SELECT ADJUSTMENT ON REMOTE TO ADJUST THE LEVEL CH VOL VOL ON REMOTE CONTROL TO SELECT ADJUS...

Страница 26: ...ON REMOTE CONTROL TO SELECT ADJUSTMENT ON REMOTE TO ADJUST THE LEVEL CH VOL VOL EXIT C N Press Action and Power on the Receiver simultaneously for at least 2 seconds IMPORTANT NOTE Always Exit the Ser...

Страница 27: ...placed Preparation 1 Apply a color bar signal pattern with 87 5 modulation 70 saturated color bar with a 100 IRE white and 7 5 black Note The pattern used in this procedure is an EIA color bar pattern...

Страница 28: ...T551 fully counterclockwise 5 Set Service Switch On Connect a jumper from Q451 Base to R812 5V side TPA146 or IC882 3 6 Preset the following Serviceman DACs for best results Red Cut Off C0 128 Green...

Страница 29: ...top edge is straight SeeFig 29 Horizontal Width Adjustment Serviceman DAC Adjustment Dd Preparation 1 Apply a monoscope pattern 2 Adjust D0 Horizontal Center until picture is centered 3 Verify Horizon...

Страница 30: ...with monoscope pattern a complete round picture Procedure 1 If B A 1 5mm See Fig 34 Increase the value in D2 V S Correction one step Adjust D1 V Size to keep picture proportions Confirm with monoscop...

Страница 31: ...enna input 2 Connect the scope to TPT3 for Right output 3 Connect the scope to TPT4 for Left output Procedure 1 Select Stereo Mode in Audio menu 2 Apply the following signal from the RF signal generat...

Страница 32: ...E 4 1 AV 3 AV 3 G8 HPJ R OUT L OUT IN IN VAO MUTE SW A11 25 23 H11 25 23 23 17 A22 13 9 11 6 7 2 4 23 25 R L 63 64 S1 S L R L R 20 16 18 21 38 40 S1 L R 7 1 3 7 1 3 H4 G4 5 TP13 TP111 TP14 TP112 S L R...

Страница 33: ...B Y IN R Y IN C IN SYNC IN Q536 Q603 CW OUT CR IN C OUT Y OUT AD IN C COMP C COMP C OUT Y OUT Y COMP TPL5 TPL7 A V 3 Y COMP GND 1 4 9 10 2 3 8 5 25 23 11 50 38 45 52 53 54 43 3 4 5 13 14 15 H11 Q601...

Страница 34: ...SD R OSD G OSD B YS GND H SYNC VREPH0 CVBS0 N C CLH 3 5 6 7 9 11 13 16 17 18 19 20 21 22 23 24 25 26 2 4 8 10 12 14 15 1 27 28 29 30 31 32 42 41 40 39 38 37 36 35 34 33 SAP W WO REMOTE SIGNAL SDA SCL...

Страница 35: ...N C H OUT FBP IN VD OUT N C GND 3 5 6 7 9 11 13 16 17 18 19 20 21 22 23 24 25 26 2 4 8 10 12 14 15 1 27 28 29 30 31 32 56 54 52 49 48 47 46 45 44 43 42 41 40 39 55 53 51 50 38 37 36 35 34 33 DEF VCC...

Страница 36: ...104JM3 CAP P 1UF J 50V C402 ECJ2VB1C104K CAP C 1UF K 16V C403 ECA1HM010B CAP E 1UF 50V C404 ECSF1EE105VB CAP E 1 0UF 25V C405 ECA1HM220B CAP E 22UF 50V C407 ECJ2VB1H102K CAP C 001UF K 50V C453 EEUNA1E...

Страница 37: ...220UF 16V C632 ECJ2VB1H103J CAP C 10UF J 50V C633 ECA1CM101B CAP E 100UF 16V C634 ECA1HM100B CAP E 10UF 50V C640 ECQB1H104JM3 CAP P 1UF J 50V C641 ECA1HM100B CAP E 10UF 50V C642 ECJ2VF1H103Z CAP C 01U...

Страница 38: ...G222E CAP E 2200UF 25V C2316 ECA1EHG471B CAP E 470UF 25V C2317 ECJ2VF1H683Z CAP C 068UF Z 50V C2319 ECJ2VF1H103Z CAP C 01UF Z 50V C2320 ECA1CM470B CAP E 47UF 16V C2322 ECA1VM101B CAP E 100UF 35V C2342...

Страница 39: ...6514 ECJ2VF1H103Z CAP C 01UF Z 50V C6515 ECJ2VF1H103Z CAP C 01UF Z 50V C6518 ECJ2VC1H270J CAP C 27PF J 50V C6520 ECJ2VF1H103Z CAP C 01UF Z 50V C6522 ECA0JM331B CAP E 330UF 6 3V C6523 ECA1CM101B CAP E...

Страница 40: ...D3019 MA3110MTX DIODE ZENER D3020 MA3110MTX DIODE ZENER D3021 MA3110MTX DIODE ZENER D3022 MA3110MTX DIODE ZENER D3023 MA3110MTX DIODE ZENER D3024 MA3110MTX DIODE ZENER D3025 MA3110MTX DIODE ZENER D302...

Страница 41: ...BEAD L2401 ELESN101JA COIL PEAKING 100UH L2801 EXCELDR35V FERRITE BEAD L2804 EXCELDR35V FERRITE BEAD L6501 ELESN270JA COIL 27UH L6504 ELESN101JA COIL PEAKING 100UH L6505 ELESN330JA COIL PEAKING 33UH L...

Страница 42: ...K J 1 10W R040 ERJ6GEYJ102V RES M 1K J 1 10W R044 ERJ6GEYJ103V RES M 10K J 1 10W R045 ERDS2TJ101T RES C 100 J 1 4W R046 ERJ6GEYJ182V RES M 1 8K J 1 10W R048 ERJ6GEYJ562V RES M 5 6K J 1 10W R049 ERJ6GE...

Страница 43: ...X10B CT 24SX10CB CT F2510XB R407 ERDS2TJ304T RES C 300K J 1 4W CT 24SX10B CT 24SX10CB CT F2510XB R408 ERJ6ENF2492V RES M 24 9K F 1 10W R409 ERJ6ENF1003V RES M 100K F 1 10W R450 ERDS2TJ821T RES C 820 J...

Страница 44: ...4W R581 ER0S2TKF5601 RES M 5 6K F 1 4W CT 20SX10B CT 20SX10CB CT F2110XB R581 ER0S2TKF5761 RES M 5 76 F 1 4W CT 24SX10B CT 24SX10CB CT F2510XB R582 ERJ6ENF1692V RES M 16 9K F 1 10W REF NO PART NO DESC...

Страница 45: ...CT F2110XB R811 ERG2FJ473H RES M 47K J 2W R812 ERG2FJ820H RES M 82 J 2W R813 ERDS2TJ132T RES C 1 3K J 1 4W CT 24SX10B CT 24SX10CB CT F2510XB R813 ERDS2TJ152T RES C 1 5K J 1 4W CT 20SX10B CT 20SX10CB...

Страница 46: ...DS1FVJ471T RES C 470 J 1 4W R967 ERDS2TJ563T RES C 56K J 1 4W R968 ERDS2TJ471T RES C 470 J 1 4W R969 ERDS2TJ390T RES C 39 J 1 2W R970 ERDS2TJ2R7T RES C 2 7 J 1 4W R971 ERDS2TJ2R7T RES C 2 7 J 1 4W REF...

Страница 47: ...K J 1 10W R3013 ERJ6GEYJ221V RES M 220 J 1 10W R3018 ERJ6GEYJ750V RES M 75 J 1 10W R3019 ERJ6GEYJ331V RES M 330 J 1 10W R3020 ERJ6GEYJ103V RES M 10K J 1 10W R3021 ERJ6GEYJ221V RES M 220 J 1 10W R3022...

Страница 48: ...K J 1 10W SWITCHES S001 TSE2AD002 SWITCH PUSH S002 EVQPBD05R SWITCH S003 EVQPBD05R SWITCH S004 EVQPBD05R SWITCH S005 EVQPBD05R SWITCH S006 EVQPBD05R SWITCH S007 EVQPBD05R SWITCH TRANSFORMERS T001 TLP1...

Страница 49: ...TQB2AA7076 V CHIP ROLLER GUIDE M021 TXFKY35BSER ASSY CABINET FRONT CT 24SX10B CT 24SX10CB M022 TXFKU57BSER ASSY CABINET BACK CT 24SX10B CT 24SX10CB CT F2510XB M023 TXFKY31BSER ASSY CABINET FRONT CT 2...

Страница 50: ...CAP P 068UF K 50V RESISTOR TYPE TOLERANCE C Carbon F 1 F Fuse J 5 M Metal Oxide K 10 S Solid M 20 W Wire Wound G 2 CAPACITOR TYPE TOLERANCE C Ceramic C 0 25pF E Electrolytic D 0 5pF P Polyester F 1pF...

Страница 51: ...51 NOTES...

Страница 52: ...S ESPECIFICADAS POR EL FABRICANTES LOS COMPONENTES CRITICOS ESTAN SE ALADOS EN LOS DIAGRAMAS POR EL SIMBOLO IMPORTANT SAFETY NOTICE THIS SCHEMATIC DIAGRAM INCORPORATES SPECIAL FEATURES THAT ARE IMPORT...

Страница 53: ...53 ALL MODELS A BOARD SCHEMATIC DIAGRAM LEFT PORTION DIAGRAMA ELECTRICO TARJETA A SECCION IZQUIERDA 1 2 3 4 5 6 15 17 16...

Страница 54: ...54 ALL MODELS A BOARD SCHEMATIC RIGHT PORTION DIAGRAMA ELECTRICO TARJETA A SECCION DERECHA 13 14 18...

Страница 55: ...55 ALL MODELS A BOARD LAYOUT DIAGRAMA DE CIRCUITO IMPRESO TARJETA A...

Страница 56: ...6 B E C IDENTIFICACI N DE TERMINALES PARA TRANSISTORES EN CHIP B E C CHIP TRANSISTOR LEAD DESIGNATION Nota La medici n de los voltajes se hizo con un Volt metro Digital Note Obtained voltages with a d...

Страница 57: ...N FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IT IS ESSENTIAL THAT ONLY MANUFACTURERS SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS DESIGNATED WITH A IN THE SCHEMATIC NOTA...

Страница 58: ...n c 3 93 4 39 3 84 4 41 4 37 0 10 4 86 n c 4 43 3 94 4 43 n c n c GND n c n c n c GND 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 3 64 3 55 0 00 n...

Страница 59: ...15 16 17 18 19 20 21 3 23 4 97 4 97 1 59 2 84 3 29 3 29 2 85 3 29 3 29 0 20 3 29 1 65 0 42 0 00 0 00 3 15 3 06 0 92 3 29 1 47 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 2 04 3 29 n...

Страница 60: ...PRINTED IN USA K00112538CM1122...

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