Panasonic QuintrixF TX-28PK25 Service Manual Download Page 37 | Manualshive

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M – BOARD - TNP8EM021

TRANSISTORS

Q1061

B1

Q1062

B2

Q3201

B7

Q3202

B7

Q3203

B6

Q3204

B6

Q3205

B7

Q3206

B7

Q3207

B7

Q3208

B7

Q3209

B8

Q1900

C9

DIODES

D1061

A2

D3201

B8

D3202

B8

D3203

B8

D1900

D8

IC’S

IC1061

A1

IC1900

C8

IC1901

D8

C

B

A

1

2

3

4

5

6

7

8

9

D

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Summary of Contents for QuintrixF TX-28PK25

Page 1: ... OUT Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 1kΩ Selectable output 21 pin AV3 IN S Video IN Y 1V p p 75Ω 4 pin C 0 3V p p 75Ω Audio RCAx2 500mV rms 10kΩ Video RCAx1 1V p p 75Ω AV4 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 RGB 21 pin AV4 OUT Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 1kΩ High Voltage 30 5kV 1kV Picture Tube W66EK...

Page 2: ...2 vertical bands that appear on screen When the audio lead is removed from the rear of the TV the vertical shading bands disappear Remedy Using Modification Kit TZS9EK018 refer to diagram below and carry out the following Method 1 Remove C2303 2 Remove jumper chip resistor JA 115 Not jumper wire JA115 3 Connect the ferrite bead supplied between the earth pad of JK2301and the audio earth of AV1 Pin...

Page 3: ...uch 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 a c cord directly into the a c outlet Do not use an isolation transformer for this check 2 Connect...

Page 4: ...over 1 Remove the 10 screws as shown in Fig 2 LOCATION OF CONTROLS 3 Fig 2 Fig 2 Abb 2 SCREWS SCREWS M Board Y Board E Board F Board Focus Screen P Board Z Board E Board D Board M Board P Board All manuals and user guides at all guides com ...

Page 5: ...Yellow and Blue buttons until the black level is 160V 5V press STR to store the value Remove the oscilloscope Select Ug2 adjustment and adjust the screen VR until the display shows O K FACTORY SETTINGS Self check is used to automatically check the bus lines and hexadecimal code of the TV set To get in to Self Check mode press the down v button on the customer controls at the front of the TV set at...

Page 6: ... 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 5 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 7: ...mum setting Vert Amplitude V Amp 054 Optimum setting EW amplitude E W Amp1 128 Optimum setting EW amplitude E W Amp2 006 Optimum setting Trapezium comp Trapez 1 047 Optimum setting Trapezium comp Trapez 2 128 Optimum setting Vertical 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 wa...

Page 8: ...371 B OUT 3 9 IC361 G OUT F BOARD 25 26 24 23 33 31 32 Q1501 64 61 60 63 58 62 IC1504 IC1501 IC1502 67 65 63 IC1101 R 37 CVBS 68 G 38 B 39 MICRO PROCESSOR IC601 AV VIDEO SWITCH 6 3 E26 1 E25 1 C I P VIDEO PROCESSOR DEFLECTION PROCESSOR 8 E1 6 E16A 6 E71 E1 8 6 4 2 6 C SW 79 M2 6 6 M3 8 6 4 2 M1 Q3201 JK3201 6 M BOARD Q320 Q3202 27 33 34 27 33 34 35 35 28 28 29 29 26 26 30 30 25 25 3 3 2 2 1 1 6 6 ...

Page 9: ...IN_L 41 SC2_OUT_R 27 SC2_OUT_L 28 SC2_IN_R 40 SC2_IN_L 39 E BOARD AUDIO PROCESSOR Q2303 Q2301 Q2302 22 DACA_L Q2304 21 DACA_R E16A 1 Q2102 Q2103 Q251 49 ANA_IN2 Q103 44 MONO IN 2 E10 1 2 5 6 Q252 M1 1 2 10 8 M2 JK3201 SC3R R SC3L IC251 5 R R 7 2 L L 11 AUDIO OUTPUT L M5 3 1 M4 R INT L INT R L 1 M7 M BOARD 1 2 5 6 Z4 1 Z3 IC2201 10 8 8 10 IC2221 1 Z BOARD AFB All manuals and user guides at all guid...

Page 10: ...ESSOR MICRO PROCESSOR IC1103 6 5 EAROM Q1051 AFC 61 AFC IC601 5 VIDEO PROCESSOR IC601 5 AV VIDEO SWITCH RC E18 7 6 5 4 3 SDA 1 SCL 1 SDA 2 SCL 2 SERVICE TEST Q601 M1 E16A 8 8 IC1061 REMOTE CONTROL RECEIVER F1 13 21 22 E70 13 21 22 SCL 1 SDA 1 E8 6 SENSE CONVERTER 68 54 17 20 29 62 IC1504 IC1503 67 21 DEFLECTION PROCESSOR IC1501 VIDEO PROCESSOR IC1502 C I P 26 53 19 18 55 56 54 32 31 To Y2 F BOARD ...

Page 11: ...UT AUDIO OUTPUT D801 E BOARD Y BOARD E3 2 Y3 2 E2 3 1 E5 1 3 C806 IC351 6 R OUT 12V E16A 9 M1 9 IC1061 REMOTE CONTROL RECEIVER NEUTRAL M10 4 1 Line Filter Mains In M BOARD E70 11 18 19 20 F1 11 18 19 20 IC1502 53 IC1503 VIDEO PROCESSOR IC1504 1 Deflection Processor CONVERTER HOUT5V 3 3V 66 36 19 57 9 25 35 56 57 59 10 28 51 41 51 53 Q1502 3 5 6 8 9 11 12 E8 1 Y2 1 D554 1 1 IC361 G OUT IC371 B OUT ...

Page 12: ...NOTE The numbers on the exploded view below refer to the mechanical section of the Replacement Parts List 22 3 17 9 23 24 8 5 4 19 7 6 2 13 11 10 25 12 26 21 14 1 18 15 16 20 All manuals and user guides at all guides com ...

Page 13: ...ON TOP TPD8E687 CUSHION BOTTOM TPD8E688 BATTERY PACK UM 3DJ 2P IC SOCKET IC1101S PCSZT 084A 1 P PCB BRACKET PCH2 TMW8E052 ROTATION COIL ROT TLK8E05165 VIDEO CABINET VID VS PK1 2 INSTRUCTION BOOKS OPERATING INSTRUCTION TQB8E3291 1 I C s AUDIO OUTPUT IC251 LA4282 RGB OUTPUT IC351 TDA6111Q N4 RGB OUTPUT IC361 TDA6111Q N4 RGB OUTPUT IC371 TDA6111Q N4 REGULATOR IC381 TL431CLPM VERTICAL OUTPUT IC451 LA7...

Page 14: ...N81RPHCF3 DIODE D1101 MA165TA5 DIODE D1104 MA165TA5 DIODE D1105 MA165TA5 DIODE D1131 MTZJT 775 6C DIODE D2101 MA723TA5 DIODE D2102 MA723TA5 DIODE D2103 MA723TA5 DIODE D2104 MA723TA5 DIODE D2105 MTZJT 778 2C DIODE D2303 MA723TA5 DIODE D2304 MA723TA5 DIODE D3201 MTZJT 778 2C DIODE D3202 MTZJT 778 2C DIODE D3351 MA165TA5 DIODE D3352 MA165TA5 DIODE D3353 MA165TA5 DIODE D3354 MA165TA5 TRANSISTORS TRANS...

Page 15: ...502 ELESN2R2KA COIL L1503 ELESN2R2KA COIL L1504 ELESN2R2KA COIL L1505 ELESN100KA COIL L1506 ELESN100KA COIL L1510 ELESN100KA COIL L1514 ELESN100KA COIL L1515 ELESNR39KA COIL L1518 ELESN4R7KA COIL L1519 ELESNR39KA COIL L1520 ELESN2R2KA COIL L1521 ELESN1R0KA COIL L1522 ELESN3R3KA COIL L1523 ELESN3R3KA COIL L1524 ELESN3R3KA COIL L1526 ELESN100KA COIL L1527 ELESN100KA COIL L1528 ELESN100KA COIL L1529 ...

Page 16: ...3 0 1W 5 10K S M CARB R256 ERJ6GEYJ471 0 1W 5 470 S M CARB R257 ERJ6GEYJ180 0 1W 5 18 S M CARB R258 ERJ6GEYJ751 0 1W 5 750 S M CARB R259 ERJ6GEYJ180 0 1W 5 18 S M CARB R260 ERJ6GEYJ103 0 1W 5 10K S M CARB R261 ERJ6GEYJ471 0 1W 5 470 S M CARB R262 ERJ6GEYJ103 0 1W 5 10K S M CARB R263 ERJ6GEYJ473 0 1W 5 47K S M CARB R264 ERJ6GEYJ103 0 1W 5 10K CARBON R265 ERD25TJ2R2 0 25W 5 2R2 CARBON R266 ERD25TJ2R...

Page 17: ...W 5 680 S M CARB R867 ERJ6GEYJ272 0 1W 5 2K7 S M CARB R868 ERJ6GEYJ223 0 1W 5 22K S M CARB R869 ERJ6GEY0R00 0 1W 5 0 S M CARB R870 ERJ6GEYJ272 0 1W 5 2K7 S M CARB R871 ERJ6GEYJ153 0 1W 5 15K METAL R872 ERG1SJ183 1W 5 18K METAL R873 ERG1SJ223 1W 5 22K CARBON R874 ERDS2TJ104T 2W 5 100K S M CARB R876 ERJ6GEYJ103 0 1W 5 10K WOUND R877 ERW2PKR47 2W 10 R47 S M CARB R878 ERJ6GEYJ473 0 1W 5 47K METAL R879...

Page 18: ... M CARB R1529 ERJ6GEYJ122 0 1W 5 1K2 S M CARB R1530 ERJ6GEYJ750 0 1W 5 75 S M CARB R1531 ERJ6GEYJ102 0 1W 5 1K S M CARB R1532 ERJ6GEYJ391 0 1W 5 390 S M CARB R1533 ERJ6GEYJ122 0 1W 5 1K2 S M CARB R1534 ERJ6GEYJ102 0 1W 5 1K S M CARB R1535 ERJ6GEYJ750 0 1W 5 75 S M CARB R1536 ERJ6GEYJ391 0 1W 5 390 S M CARB R1537 ERJ6GEYJ682 0 1W 5 6K8 S M CARB R1538 ERJ6GEYJ331 0 1W 5 330 S M CARB R1539 ERJ6GEYJ27...

Page 19: ...0 S M CARB R3008 ERJ6GEYJ153 0 1W 5 15K CARBON R3010 ERD25TJ750 0 25W 5 75 S M CARB R3013 ERJ6GEYJ101 0 1W 5 100 S M CARB R3014 ERJ6GEYJ471 0 1W 5 470 S M CARB R3015 ERJ6GEYJ101 0 1W 5 100 S M CARB R3016 ERJ6GEYJ153 0 1W 5 15K S M CARB R3017 ERJ6GEYJ101 0 1W 5 100 S M CARB R3018 ERJ6GEYJ471 0 1W 5 470 S M CARB R3019 ERJ6GEYJ101 0 1W 5 100 S M CARB R3020 ERJ6GEYJ153 0 1W 5 15K S M CARB R3021 ERJ6GE...

Page 20: ...µF FILM C511 ECQM2A104KZ 100V 100nF CERAMIC C551 ECKC3D561J 2KV 560pF FILM C552 ECWH15H102JN 1500V 1nF CERAMIC C557 ECKC2H471J 500V 470pF ELECT C558 ECA1HHG471E 50V 470µF ELECT C561 ECA1EHG102B 25V 1000µF CERAMIC C562 ECKC2H101J 500V 100pF ELECT C563 ECA2EHG220B 250V 20µF ELECT C564 ECEA2AU2R2 100V 2 2µF FILM C565 ECQP1H273J 100V 2700µF CERAMIC C566 ECKC2H471J 500V 470pF ELECT C567 ECA1EHG102B 25V...

Page 21: ...1 16V 100µF CERAMIC C1519 ECJ2VC1H050D 50V 5pF CERAMIC C1520 ECJ2VC1H050D 50V 5pF CERAMIC C1521 ECJ2VB1H103K 50V 10nF ELECT C1522 ECEA1CKA100 16V 10µF ELECT C1524 ECEA1CKA100 16V 10µF S M CAP C1527 ECUV1H103KBX 50V 10nF S M CAP C1528 ECUV1H103KBX 50V 10nF S M CAP C1529 ECUV1H103KBX 50V 10nF S M CAP C1530 ECUV1H271JCX 50V 270pF S M CAP C1531 ECUV1H271JCX 50V 270pF CERAMIC C1540 ECJ2VC1H222J 50V 2 2...

Page 22: ... 50V 68nF CERAMIC C2209 ECJ2VC1H681J 50V 680pF CERAMIC C2211 ECJ2VB1C104K 16V 100nF CERAMIC C2212 ECJ2VB1C104K 16V 100nF CERAMIC C2213 ECJ2YB1H473K 50V 47nF S M CAP C2215 ECUV1H103KBX 50V 10nF CERAMIC C2216 ECJ2VC1H121J 50V 120pF CERAMIC C2217 ECJ2YB1H473K 50V 47nF CERAMIC C2218 ECJ2VB1H153K 50V 15nF CERAMIC C2220 ECJ2VB1H562K 50V 5 6nF ELECT C2221 ECA1HM100GB 50V 10µF ELECT C2222 ECA0JM101G 6 3V ...

Page 23: ...V 100nF ELECT C3221 ECA1CM221GB 16V 220µF ELECT C3351 ECA1CM221GB 16V 220µF TERMINALS AND LINKS CRT SOCKET JK381 TJS1A5230B RCA SOCKET JK2301 JPJ841101320 SCART SOCKET JK3001 0350808500 AV TERMINAL JK3201 TJB8E026 SWITCHES SWITCH S802 ESB92S11B SWITCH S1251 EVQ21405R SWITCH S1252 EVQ21405R SWITCH S1253 EVQ21405R SWITCH S1254 EVQ21405R SWITCH S1255 EVQ21405R RELAYS RELAY RL801 DLS12D1 OM 22 All man...

Page 24: ...23 NOTES All manuals and user guides at all guides com ...

Page 25: ...hange 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 of the instruments to the e...

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Page 34: ...2104 B3 D603 A3 D2303 B2 D604 A3 D2304 B2 D609 A2 I C s D620 B3 IC251 C2 D701 B2 IC451 A2 D702 A2 IC601 A3 D703 A3 IC701 B2 D704 B2 IC801 C1 D705 B2 IC850 B1 D706 B2 IC851 B2 D707 B2 IC852 B3 D708 A2 IC853 B3 D710 B2 IC855 A2 D801 C1 IC856 B2 D803 B1 IC1101 C3 D804 B1 IC1102 C3 D805 B1 IC1103 B3 D806 C1 IC1104 C3 D850 B2 IC1105 B2 D851 B2 IC2101 B2 D852 B1 TRANSISTORS D853 B1 Q503 B1 D854 C2 Q551 ...

Page 35: ...3 D361 B2 D362 A1 D371 D2 D372 C2 D373 C3 D374 A1 D375 B2 D376 B3 D377 A2 D378 C2 D387 B1 D901 C1 D902 C1 D903 C1 D910 C1 D911 D2 D912 D1 D3351 A2 D3352 A3 D3353 A1 D3354 C3 T P S TPY1 B3 TPY2 A2 TPY3 C2 TPKR B3 TPKG B2 TPKB C2 I C S IC351 B2 IC361 A1 IC371 C3 IC381 C3 1 2 3 A B C D All manuals and user guides at all guides com ...

Page 36: ...DIODES D802 B2 D807 A1 D808 B2 D BOARD TNP8ED002 3 2 1 A B C All manuals and user guides at all guides com ...

Page 37: ...202 B7 Q3203 B6 Q3204 B6 Q3205 B7 Q3206 B7 Q3207 B7 Q3208 B7 Q3209 B8 Q1900 C9 DIODES D1061 A2 D3201 B8 D3202 B8 D3203 B8 D1900 D8 IC S IC1061 A1 IC1900 C8 IC1901 D8 C B A 1 2 3 4 5 6 7 8 9 D All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 38: ...Z BOARD TNP8EZ003 TRAN S Q2201 D2 Q2202 C6 Q2203 F2 IC S IC2201 C4 IC2221 C7 IC2302 B2 F E D C B A 1 2 3 4 5 6 7 8 9 32 All manuals and user guides at all guides com ...

Page 39: ...Q1502 C2 Q1511 D2 Q1503 C3 Q1512 D3 Q1504 C3 Q1513 D3 Q1505 E2 I C s Q1506 E3 IC1502 B5 Q1507 E3 IC1503 D5 Q1508 D2 IC1504 D4 Q1509 D3 A B C D E 1 2 3 4 5 6 F BOARD TNP8EF008 33 All manuals and user guides at all guides com ...

Page 40: ...1 C2 D3920 A1 D3907 B1 D3921 A1 D3908 B1 I C s D3909 B1 IC3901 C1 D3910 B2 IC3902 A1 D3911 B2 TRANSISTORS D3912 B1 Q3905 B1 D3915 C2 Q3906 B1 A B C 1 2 3 4 P BOARD TNP8EP019 34 All manuals and user guides at all guides com ...

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