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Panasonic TX-25LD4P, Руководство по обслуживанию

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Panasonic TX-25LD4P Скачать руководство пользователя страница 16

Description

Cct Ref

Parts Number

Description

Cct Ref

Parts Number

DIODE                

D803  

1SR124-4AT82

DIODE                

D804  

1SR124-4AT82

PHOTO COUPLER        

D805  

TLP621GR-LF2

DIODE                

D806  

1SR124-4AT82

DIODE                

D850  

RU4BLF-L1   

DIODE                

D851  

MTZJT776.2B 

DIODE

D852  

MA165TA5

DIODE                

D853  

MA2180BLFS  

DIODE                 

D854  

TVSRU2AMLFA5

DIODE   

D855  

FML22SLF610

DIODE   

D856  

RU4AMLF-M1

DIODE                 

D857  

MTZJT-775.1C

DIODE

D858  

MA165TA5

DIODE

D859  

MA165TA5

DIODE

D861  

MA165TA5

DIODE   

D862  

MTZJT-7736A

DIODE

D863  

MA165TA5

DIODE

D865  

MA165TA5

DIODE

D866  

MA165TA5

DIODE                

D867  

EK06-V0     

DIODE                

D868  

1N4150T-77  

DIODE                

D869  

1N4150T-77  

DIODE

D870  

MA165TA5

DIODE                

D871  

1N4150T-77  

DIODE                

D873  

MTZJT-775.6C

DIODE                

D874  

1SR124-4AT82

DIODE                

D875  

BZX79A75A26A

DIODE

D901  

MA165TA5

DIODE

D902  

MA165TA5

DIODE

D904  

MA165TA5

DIODE

D905  

MA165TA5

DIODE

D906  

RLS72TE-11

LED                   

D1051 SLR56UR3FLF 

LED                  

D1071 SLR56UR3FS  

DIODE                

D1072 MTZJT-778.2C

DIODE

D1101 MA165TA5

DIODE

D1102 MA165TA5

DIODE   

D2101 MA723TA5

DIODE   

D2102 MA723TA5

DIODE   

D2103 MA723TA5

DIODE   

D2104 MA723TA5

DIODE                

D2105 MTZJT-778.2C

DIODE   

D2303 MA723TA5

DIODE   

D2304 MA723TA5

DIODE                

D3101 MTZJT-778.2C

DIODE                

D3102 MTZJT-778.2C

TRANSISTORS

TRANSISTOR            

Q101  

BC847B

TRANSISTOR            

Q102  

BC847B

TRANSISTOR            

Q104  

BC847B

TRANSISTOR            

Q105  

BC847B

TRANSISTOR            

Q251  

2SD1328STX  

TRANSISTOR            

Q252  

2SD1328STX  

TRANSISTOR            

Q253  

BC847B

TRANSISTOR            

Q254  

BC847B

TRANSISTOR            

Q301  

BC847B

TRANSISTOR        

Q302  

FMY4T148    

TRANSISTOR            

Q303  

BC847B

TRANSISTOR        

Q304  

FMY4T148    

TRANSISTOR            

Q305  

BC847B

TRANSISTOR        

Q306  

FMY4T148    

TRANSISTOR            

Q351  

2SA1767     

TRANSISTOR            

Q352  

2SA1767     

TRANSISTOR            

Q353  

2SA1767     

TRANSISTOR            

Q354  

BC857B      

TRANSISTOR            

Q451  

BC857B      

TRANSISTOR            

Q503  

2SD2398-M2  

TRANSISTOR            

Q551  

BU2508AXLB  

TRANSISTOR            

Q552  

2SC1473-RN

TRANSISTOR            

Q701  

BC857B      

TRANSISTOR            

Q850  

2SD1273PLB  

TRANSISTOR            

Q851  

BC857B      

TRANSISTOR        

Q852  

2SC1383-S   

TRANSISTOR            

Q853  

BC847B

TRANSISTOR            

Q854  

BC847B

TRANSISTOR            

Q855  

BC847B

TRANSISTOR            

Q856  

BC847B

TRANSISTOR            

Q857  

2SA1018QTA

TRANSISTOR            

Q905  

BC847B

TRANSISTOR            

Q906  

BC847B

TRANSISTOR            

Q907  

BC857B      

TRANSISTOR            

Q908  

2SA1535ARLB

TRANSISTOR            

Q909  

2SC3944ARLB

TRANSISTOR            

Q950  

BC847B

TRANSISTOR        

Q951  

FMY4T148    

TRANSISTOR            

Q1051 BC847B

TRANSISTOR            

Q1052 BC847B

TRANSISTOR            

Q1101 BC847B

TRANSISTOR            

Q1104 BC847B

TRANSISTOR            

Q1105 BC847B

TRANSISTOR            

Q1106 BC847B

TRANSISTOR            

Q1107 BC847B

TRANSISTOR            

Q1108 BC847B

TRANSISTOR            

Q2101 

BC857B      

TRANSISTOR            

Q2102 

BC857B      

TRANSISTOR            

Q2103 

BC857B      

TRANSISTOR            

Q2301 BC847B

TRANSISTOR            

Q2302 

BC857B      

TRANSISTOR            

Q2303 BC847B

TRANSISTOR            

Q2304 

BC857B      

TRANSISTOR            

Q3001 BC847B

TRANSISTOR            

Q3006 BC847B

TRANSISTOR            

Q3007 BC847B

TRANSISTOR            

Q3401 BC847B

TRANSISTOR            

Q3402 BC847B

TRANSISTOR            

Q3601 BC847B

TRANSFORMERS

TRANSFORMER        

T501  

ETH19Y173AY 

F.B.T.               

T551  

ZTFL94002A  

TRANSFORMER        

T801  

ETS39AG1J7AD

TRANSFORMER        

T802  

ETP35KAN619U

COILS

COIL

L104  

EXCELSA35T

COIL                  

L106  

TLTACT100K  

COIL                 

L107  

TLTACT6R8K  

COIL                 

L301  

TLTACT4R7K  

COIL                 

L302  

TLTACT4R7K  

COIL

L451  

EXCELSA35T

COIL

L501  

EXCELSA35T

COIL                 

L552  

ELH5L4105   

COIL                 

L553  

ELC08D682E  

COIL                 

L554  

ELC18B102L  

COIL                 

L601  

TLTACT4R7K  

COIL                 

L602  

TLTACT4R7K  

COIL                 

L603  

TLTACT4R7K  

COIL                 

L604  

TLTACT4R7K  

COIL                 

L606  

TLTACT4R7K  

COIL                 

L607  

ELJFC2R2KF  

COIL                 

L701  

ELC10D822E  

COIL

L850  

EXCELSA35T

COIL

L851  

EXCELSA35T

COIL             

L852  

ELEIN470KA  

14

Содержание TX-25LD4P

Страница 1: ...PC to allow a number of diagnostic and control functions to be performed For more details contact your local Panasonic company BACK EXIT TX 28 25LD4P Service Manual Safety Specifications Block Diagrams Schematic Diagrams PCB Views Self Check Service Information Parts List Service Hints Disassembly Location of Controls Waveforms Mechanical View Adjustments ...

Страница 2: ...BACK BACK BACK E Schematic N Schematic H Schematic Y Schematic E PCB Y PCB Audio Power supply Control Video ...

Страница 3: ...rms 1kΩ AV1 IN Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 10kΩ RGB 21 pin AV1 OUT Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 1kΩ AV2 IN Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 10kΩ S Video IN Y 1V p p 75Ω 21 pin C 0 3V p p 75Ω AV2 OUT Video 21 pin 1Vp p 75Ω Audio 21 pin 500mV rms 1kΩ Selectable output 21 pin AV3 IN Audio RCAx2 500mV rms 10kΩ Video RCAx1 1V p p 75Ω High Voltage 28 5k...

Страница 4: ...abinet part on the receiver such as screw heads aerials connectors control shafts etc When the exposed metallic part has a return path to the chassis the reading should be between 4M ohm and 20M ohm When the exposed metal does not have a return path to the chassis the reading must be infinite LEAKAGE CURRENT HOT CHECK 1 Plug the AC cord directly into the AC outlet Do not use an isolation transform...

Страница 5: ...SERVICE HINTS HOW TO REMOVE THE REAR COVER 1 Remove the 12 screws as shown in Fig 2 LOCATION OF CONTROLS 3 SCREWS Fig 2 Fig 3 N Board E Board Y Board Focus Screen H Board ...

Страница 6: ...ch the TV on 2 Go into Service Mode as explained above The screen will show 3 Press the BLUE button on the remote control The screen will show 4 Press the STR button on the TV The screen will show 5 All the tuning information stored inside the TV will now be transferred to the Memory Pack This process will take 2 3 minutes to complete and when finished the screen will show Memory Pack to TV proces...

Страница 7: ...ls at the front of the set at the same time pressing the STATUS button on the remote control and the screen will show If the CCU ports have been checked and found to be incorrect or not located then will appear in place of O K Service Aids To aid in the service of our current chassis there are a number of Service Aids which have been made available LUCI interface kit Linked Utility Computer Interf...

Страница 8: ...275mV 64µS 64µS 3V H Out IC601 Pin 50 Vert Out IC601 Pin 31 20mS 0 7V 13µS 3 7V SCL IC1201 Pin 3 R Out E8 Pin 5 64µS 4 6V HFLB IC601 Pin 13 64µS 6 2V R Out IC601 Pin 37 64µS 275mV G Out IC601 Pin 38 275mV 64µS Vert Drive IC451 Pin 2 20mS 57V HFLB IC701 Pin 8 64µS 1 5V G Out E8 Pin 3 64µS 4 4V SVM Out IC601 Pin 34 88mV 64µS H Out IC701 Pin 5 30mV 64µS ...

Страница 9: ...al Linearity V Lin 006 Optimum setting Vertical Symmetry V Sym 002 Optimum setting DVCO DVCO 005 Receive a PAL Colour Bar Pattern For DVCO alignment press Blue button wait until the colours are changing slowly and press STR Cut off DC Cut off 0171 Ug2 Test Ug2 055 O K To adjust Cutoff connect an oscilloscope to the blue cathode adjust cutoff value using the Yellow and Blue buttons until the black ...

Страница 10: ... OUT 39 Q305 Q303 Q301 E8 4 3 5 Q353 Q352 Q351 CRT 3 2 1 7 8 9 Y2 4 3 5 IC351 TUNER Q104 5HG OXH UHHQ 9LGHR Q 9 9LGHR 2XW G OUT 38 R OUT 37 G IN 46 R IN 45 Q306 Q304 Q302 Q354 7 7 VM COILS Q905 Q907 Q909 Q908 Q906 SVM OUT 34 Q950 Q951 Q3001 G 38 B 39 Y BOARD E BOARD RGB OUTPUT VIDEO PROCESSOR MICRO PROCESSOR H3 E61 E15 1 6 8 H1 1 6 8 IC3401 8 6 5 H BOARD VIDEO SWITCHING Q3402 8 ...

Страница 11: ... OUT 3 L OUT 1 R OUT 3 L OUT 2 R IN 6 L IN 2 R IN 6 L IN 47 ANA_IN1 44 MONO IN DACM_L 25 SC3_IN_R 38 SC1_IN_R 42 SC1_IN_L 41 SC2_OUT_R 27 SC2_OUT_L 28 SC2_IN_R 40 SC2_IN_L 39 Q252 Q251 2 L L 11 4 L HEADPHONE 7 R 5 L E6 1 E7 3 Q2304 Q2302 21 DACA_R 22 DACA_L E BOARD AUDIO PROCESSOR AUDIO OUTPUT AUDIO MONITOR OUT Q2303 Q2301 Q103 49 ANA_IN2 9 ...

Страница 12: ... 60 Q854 52 Q853 74 IC1071 81 AV2 8 10 AV1 8 10 12 Q856 75 Q851 Q1106 Q1105 Q1107 Q1104 51 72 73 AV LINK SLOW 2 SLOW 1 SCL 1 SDA 1 59 58 Q3006 Q3007 55 VPROT KEYSCAN ON OFF R C L E D PROT 1 SLOW 2 OUT IN SLOW 1 SERVICE SCL SDA H BOARD E BOARD VIDEO SWITCHING IC2101 8 7 4 AUDIO PROCESSOR MICRO PROCESSOR VIDEO PROCESSOR EAROM REMOTE CONTROL RECEIVER N BOARD 4 E19 4 8 8 N1 Q1051 Q1052 D1071 Q3401 10 ...

Страница 13: ... B1 P2 P1 S5 S2 S7 10 9 6 8 5 6 2 6 3 1 6 12V 200V 33V 14V 14V 27V 150V 29V 7V 15V 5V D867 Q852 Q854 Q855 1 D805 R805 R814 IC850 1 2 D862 R854 33V 16 REMOTE CONTROL RECEIVER N BOARD RESET MICRO PROCESSOR AUDIO PROCESSOR VIDEO PROCESSOR EPROM EAROM RESET REG REG REG IC3401 7 VIDEO SWITCHING EW CORRECTION POWER SUPPLY RGB OUTPUT V OUTPUT AUDIO OUTPUT D801 E BOARD Y BOARD E3 2 Y3 2 N1 2 E19 2 E1 4 1 ...

Страница 14: ...PARTS LOCATION 12 19 20 16 12 14 15 4 5 7 11 3 18 13 6 17 8 1 9 2 10 NOTE The numbers on the exploded view below refer to the mechanical section of the Replacement Parts List ...

Страница 15: ...Q N3 VERTICAL OUTPUT IC451 LA7845N VIDEO PROCESSOR IC601 VDP3108BPPB1 HORIZONTAL OUTPUT IC701 TEA2031A POWER SUPPLY IC801 STRF6654LF51 ERROR AMPLIFER IC850 SE140N 12V REGULATOR IC851 L78M12MRB 8V REGULATOR IC853 AN78L08TA LED RECEIVER IC1051 RPM 637CBRL LED RECEIVER IC1071 RPM6937 V4 MICRO PROCESSOR IC1101 SDA5450C47 EPROM IC1102 27C2001 G01 DIODE IC1104 MN1381 R TA DIODE IC1105 MN1381 T TA AUDIO ...

Страница 16: ...TOR Q351 2SA1767 TRANSISTOR Q352 2SA1767 TRANSISTOR Q353 2SA1767 TRANSISTOR Q354 BC857B TRANSISTOR Q451 BC857B TRANSISTOR Q503 2SD2398 M2 TRANSISTOR Q551 BU2508AXLB TRANSISTOR Q552 2SC1473 RN TRANSISTOR Q701 BC857B TRANSISTOR Q850 2SD1273PLB TRANSISTOR Q851 BC857B TRANSISTOR Q852 2SC1383 S TRANSISTOR Q853 BC847B TRANSISTOR Q854 BC847B TRANSISTOR Q855 BC847B TRANSISTOR Q856 BC847B TRANSISTOR Q857 2...

Страница 17: ...ERJ6GEY0R00 0 1W 5 0 S M CARB JSE5 ERJ6GEY0R00 0 1W 5 0 S M CARB JA54 ERJ6GEY0R00 0 1W 5 0 S M CARB JA52 ERJ6GEY0R00 0 1W 5 0 S M CARB JSH001 ERJ6GEY0R00 0 1W 5 0 S M CARB JSE3 ERJ6GEY0R00 0 1W 5 0 S M CARB JA2 ERJ8GEY0R00 125W 5 0 S M CARB JA21 ERJ8GEY0R00 125W 5 0 S M CARB JA23 ERJ8GEY0R00 125W 5 0 S M CARB JA1 ERJ8GEY0R00 125W 5 0 S M CARB JA46 ERJ8GEY0R00 125W 5 0 S M CARB JA29 ERJ8GEY0R00 125...

Страница 18: ...63 ERJ6GEYJ474 0 1W 5 470K S M CARB R564 ERJ6GEYJ623 0 1W 5 62K S M CARB R566 ERJ6GEYJ563 0 1W 5 56K WOUND R567 ERF7ZK1R0 7W 10 1 S M CARB R601 ERJ6GEYJ101 0 1W 5 100 S M CARB R602 ERJ6GEYJ821 0 1W 5 820 S M CARB R603 ERJ8GEYJ103 125W 5 10K S M CARB R604 ERJ6GEYJ101 0 1W 5 100 CARBON R605 ERD25TJ331 0 25W 5 330 CARBON R606 ERD25TJ331 0 25W 5 330 S M CARB R607 ERJ6GEYJ821 0 1W 5 820 S M CARB R608 E...

Страница 19: ...103 0 1W 5 10K S M CARB R1131 ERJ6GEYJ103 0 1W 5 10K S M CARB R1132 ERJ6GEYJ101 0 1W 5 100 S M CARB R1133 ERJ6GEYJ273 0 1W 5 27K S M CARB R1136 ERJ6GEYJ823 0 1W 5 82K S M CARB R1137 ERJ6GEY0R00 0 1W 5 0 S M CARB R1138 ERJ6GEYJ474 0 1W 5 470K S M CARB R1139 ERJ6GEYJ471 0 1W 5 470 S M CARB R1140 ERJ6GEYJ471 0 1W 5 470 S M CARB R1141 ERJ6GEYJ471 0 1W 5 470 S M CARB R1145 ERJ6GEYJ101 0 1W 5 100 S M CA...

Страница 20: ...TORS S M CAP C102 ECUV1H103ZFX 50V 10nF ELECT C103 ECJ2VF1H104Z 350V 100nF S M CAP C106 ECUV1H560JCX 50V 56pF ELECT C107 ECJ2VF1H104Z 350V 100nF ELECT C108 ECA1CM100GB 16V 10µF S M CAP C109 ECUV1H102JCX 50V 1nF S M CAP C110 ECUV1H103ZFX 50V 10nF ELECT C111 ECA1HMR33GB 50V 10nF S M CAP C117 ECUV1H103ZFX 50V 10nF ELECT C118 ECJ2VF1H104Z 350V 100nF ELECT C119 ECA1CM221GB 16V 220µF ELECT C120 ECA1CM22...

Страница 21: ...50V 1 5nF CERAMIC C850 ECKC3D471JB 2KV 470pF ELECT C851 ECA2CM221E 160V 220µF ELECT C852 ECA2CHG101E 160V 100µF CERAMIC C853 ECKC2H471J 500V 470pF ELECT C854 ECA1EM102GB 25V 100µF CERAMIC C855 ECKC2H471J 500V 470pF ELECT C856 ECA1AHG222B 10V 470pF CERAMIC C857 ECKC2H471J 500V 470pF ELECT C858 ECEA1HGE102 50V 470pF ELECT C859 ECJ2VF1H104Z 350V 100nF ELECT C860 ECA1HM101GB 50V 100µF ELECT C862 ECJ2V...

Страница 22: ...CUV1H222JCX 50V 2 2nF ELECT C3017 ECA1CM470GB 16V 47µF S M CAP C3019 ECUV1H561JCX 50V 560pF ELECT C3020 ECJ3VB1C474K 3 5KV 470nF S M CAP C3021 ECUV1H222JCX 50V 2 2nF S M CAP C3022 ECUV1H222JCX 50V 2 2nF S M CAP C3023 ECUV1H222JCX 50V 2 2nF ELECT C3024 ECA1CM470GB 16V 47µF S M CAP C3026 ECUV1H561JCX 50V 560pF ELECT C3027 ECJ3VB1C474K 3 5KV 470nF S M CAP C3028 ECUV1H222JCX 50V 2 2nF ELECT C3029 ECA1...

Страница 23: ...mber Description Cct Ref Parts Number Y P C B 20 TNP8EY012AF MISCELLANEOUS COMPONENTS OUTER CARTON TPC8E4659 TOP CUSHION TPD8E655 BOTTOM CUSHION TPD8E656 I C s EAROM IC1103 XGL2 01AP CAPACITORS CERAMIC C551 ECKC3D122J 2KV 1 2nF 21 ...

Страница 24: ...nting and are subject to change without notice REMARKS a Do not touch the hot part or the hot and cold parts at the same time as you are liable to a shock hazard b Do not short circuit the hot and cold circuits as electrical components may be damaged c Do not connect an instrument such as an oscilloscope to the hot and cold circuits simultaneously as this may cause fuse failure Connect the earth o...

Страница 25: ......

Страница 26: ......

Страница 27: ......

Страница 28: ......

Страница 29: ... Q856 F9 D865 I9 IC1104 C9 Q855 J5 D864 I10 IC1103 F8 Q854 B4 D863 G9 IC1102 D10 Q853 B4 D862 N10 IC1101 D8 Q852 B5 D861 J9 IC1051 A10 Q850 F5 D860 I10 IC852 I10 Q701 J5 D859 H5 IC851 G5 Q552 N3 D858 E5 IC850 H4 Q551 K1 D857 E5 IC801 G2 Q503 I2 D855 F4 IC701 K5 Q451 F8 D854 G4 IC601 L7 Q394 K9 D853 H3 IC451 L5 Q305 K9 D852 I4 IC251 D6 Q303 K9 D851 I4 TP S Q302 J9 D850 H4 TPE14 M5 Q301 K9 D806 G2 T...

Страница 30: ...354 A7 Q353 G6 Q352 F6 Q351 F6 DIODES D906 F1 D905 G4 D904 D3 D902 G4 D901 G3 D364 C9 D363 C8 D362 B9 D361 B7 D360 D8 D359 G6 D358 E7 D357 F7 D356 G7 D355 F7 D354 G7 TEST POINTS TPY6 B8 TPY5 D5 TPY4 E5 TPY3 F6 TPY2 E7 TPY1 G6 IC S IC351 E8 H G F E D C B A 1 2 3 4 5 6 7 8 9 ...

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