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Description

Cct Ref

Parts Number

Description

Cct Ref

Parts Number

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 ECA1HM101GB

50V

100µF

S.M. CAP

C3032 ECUV1H271JCX

50V

270pF

S.M. CAP

C3033 ECUV1H271JCX

50V

270pF

S.M. CAP

C3034 ECUV1H271JCX

50V

270pF

S.M. CAP

C3035 ECUV1H271JCX

50V

270pF

S.M. CAP

C3101 

ECUV1H104KBX

50V

   

100nF

S.M. CAP

C3102 

ECUV1E104KBX

25V

   

100nF

S.M. CAP

C3103 ECUV1H561JCX

50V

560pF

S.M. CAP

C3104 ECUV1H561JCX

50V

560pF

S.M. CAP

C3105 ECUV1H561JCX

50V

560pF

S.M. CAP

C3106 ECUV1H561JCX

50V

560pF

ELECT   

C3107 ECA1HM470GB

50V

47µF

ELECT   

C3108 ECA1HM470GB

50V

47µF

S.M. CAP

C3111 ECUV1H222KBX

50V

2.2nF

S.M. CAP

C3112 ECUV1H271JCX

50V

270pF

FILM

C3401 ECQM1H224J

50V

220nF

S.M. CAP

C3402 ECUV1H101JCX

50V

100pF

ELECT   

C3403 ECA1HM101GB

50V

100µF

FILM

C3404 ECQM1H224J

50V

220nF

S.M. CAP

C3405 ECUV1H180JCX

50V

18pF

S.M. CAP

C3406 ECUV1H271JCX

50V

270pF

S.M. CAP

C3407 ECUV1H271JCX

50V

270pF

ELECT   

C3408 ECA1HM101GB

50V

100µF

ELECT   

C3601 ECA1HM101GB

50V

100µF

S.M. CAP

JSE28 

ECUV1H104KBX

50V

   

100nF

TERMINALS AND LINKS

RCA / HEADPHONE JACK  

JK2301

JPJ841101320

SCART SOCKET     

JK3001

0350808500  

A.V. TERMINAL    

JK3101

TJB16673    

SWITCHES

SWITCH               

S801  

ESB92S11B   

SWITCH               

S1201 

EVQ21405R   

SWITCH               

S1202 

EVQ21405R   

SWITCH               

S1203 

EVQ21405R   

SWITCH               

S1204 

EVQ21405R   

SWITCH               

S1205 

EVQ21405R   

DIFFERENCES FOR MODEL  TX-21MK1F/M

MECHANICAL PARTS

ANODE LEAD            

    11

ZTUZAE450A  

BACK COVER       

    12

TKU8E00370  

C.R.T.           

    13

A51EER35X70 

CABINET              

    14

TKY8E400-1  

CRT FIXING SCREW 

    15

VP15005-35  

DEGAUSS COIL     

    16

TLK8E05143  

E P.C.B.             

    17

TNP8EE009CJ 

MODEL LABEL      

    18

TQF8E2785   

PANASONIC BADGE  

    19

TBM8E1928   

POWER CORD        

    20

TSX8E0028   

Y P.C.B.             

    21

TNP8EY013AD 

MISCELLANEOUS COMPONENTS

OUTER CARTON     

      

TPC8E4674   

TOP CUSHION      

      

TPD8E606-1  

BOTTOM CUSHION   

      

TPD8E607-1  

I.C.s

ERROR AMPLIFIER  

IC850 

SE130N      

EAROM *          

IC1103

XDG2-01AF   

TRANSISTORS

TRANSISTOR            

Q351  

2SA1767     

TRANSISTOR            

Q352  

2SA1767     

TRANSISTOR            

Q353  

2SA1767     

TRANSISTOR            

Q551  

BU4508AXLB  

TRANSFORMERS

TRANSFORMER        

T801  

ETS39AG1K7AD

COILS

COIL                 

L552  

ELH5L4104   

FILTERS

LINE FILTER      

L804  

ELF19N008A  

RESISTORS

FUSIBLE

      

ERQ2ABJP2R7S

2W

5%

2R7

CARBON

R357  

ERDS1TJ104  

0.5W

5%

100K

CARBON

R358  

ERDS1TJ104  

0.5W

5%

100K

CARBON

R359  

ERDS1TJ104  

0.5W

5%

100K

CARBON

R363  

ERDS1TJ103

0.5W

5%

10K

CARBON

R364  

ERDS1TJ103

0.5W

5%

10K

CARBON

R365  

ERDS1TJ103

0.5W

5%

10K

CARBON  

R369  

ERD25TJ123  

0.25W

5%

12K

CARBON

R370  

ERD25TJ272  

0.25W

5%

2K7

S.M.CARB

R378  

ERJ6GEY0R00

0.1W

5%

0

S.M.CARB

R379  

ERJ6GEY0R00

0.1W

5%

0

S.M.CARB

R380  

ERJ6GEY0R00

0.1W

5%

0

WOUND

R461  

ERW2PK1R8   

2W

5%

1R8

METAL

R507  

ERG1SJ331

1W

5%

330

METAL   

R702  

ERQ12HJ220  

0.5W

5%

22

WOUND

R810  

ERW2PKR33   

2W 20%

R33

CAPACITORS

S.M. CAP

C364  

ECUV1H103ZFX

50V

10nF

ELECT   

C365  

ECA1CM100GB

16V

10µF

CERAMIC 

C551  

ECKC3D271JB 

  2KV

   

10µF

FILM

C555  

ECWH15H822JN

1500V

   

8.2nF

FILM

C556  

ECQF4123JZH 

400V

   

12nF

FILM

C559  

ECWF2474JBB 

500V

   

470nF

DIFFERENCES FOR MODEL  TX-28MK1F/M  

MECHANICAL PARTS

ANODE LEAD        

    11

ZTUZAE550A  

BACK COVER       

    12

TKU8E00350  

C.R.T.           

    13

A66ECF50X42 

CABINET              

    14

TKY8E194-1  

CRT FIXING SCREW      

    15

VP17005-32  

DEGAUSS COIL        

    16

TLK8E05140  

E P.C.B.             

    17

TNP8EE009CU 

MODEL LABEL      

    18

TQF8E2863   

PANASONIC BADGE  

    19

TBM8E1929   

POWER CORD        

    20

TSX8E0027   

Y P.C.B.             

    21

TNP8EY012AF 

MISCELLANEOUS COMPONENTS

OUTER CARTON     

      

TPC8E4685   

TOP CUSHION           

      

TPD8E639    

BOTTOM CUSHION   

      

TPD8E640    

I.C.s

ERROR AMPLIFER

IC850 SE140N

EAROM *          

IC1103

XDG2-01CF   

DIODES

DIODE

D901  

MA165TA5

22

Summary of Contents for TX-21MK1/M

Page 1: ...es a link between the TV and a standard PC to allow a number of diagnostic and control functions to be performed For more details contact your local Panasonic company TX 28 21MK1F M Service Manual Specifications Parts List Safety Block Diagrams Exploded View PCB Views Service Information Schematic Diagrams BACK EXIT ...

Page 2: ...sions shown are approximate NOTE This Service Manual should be used in conjunction with the EURO 4 technical guide TECHNISCHE DATEN Werte in klammern gelten nur fur TX 21MK1F M Netzpannung 220 240V a c 50Hz Leistungsaufnahme 85W 71W Standby Leistungsaufnahme 1 8W Antennenimpedanz 75Ω asymmetrisch Koaxial Typ Empfangssystem PAL B G H I D K PAL 525 60 SECAM B G D K L L M NTSC NTSC nur AV Eingang Emp...

Page 3: ...uld 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 SICHERHEITSVORKEHRUNGEN ALLGEMEINE RICHTLINIEN 1 Es ist empfehlenswert einen Trenntransformator in die Stromversorgung zu schalten bevor Reparaturen an einem Gerät vorgenommen werden dessen Chassis unter Spannung steht 2 Bei der Durchführung von Servicearbeiten dürfen di...

Page 4: ...failure 3 To prevent any X Radiation possibility it is essential to use the specified tube MESSUNG DES KRIECHSTROMS IM EINGESCHALTETEN ZUSTAND 1 Den Netzstecker direkt in eine Netsteckdose stecken Für diese Messung keinen Trenntransformator verwenden 2 Einen 2kΩ 10W Widerstand in Serie mit einem von außen zugänglichen Metallteil am Fernsehgerät und einer guten Erdung z B Wasserleitung anschließen ...

Page 5: ...ews as shown in Fig 2 SERVICE HINWEISE ENTFERNEN DER GERÄTERÜCKWAND 1 Die 9 Schrauben entfernen siehe Abb 2 LOCATION OF CONTROLS LAGE DER EINSTELLREGLER Screws Schrauben Fig 2 Abb 2 E Board Y Board Focus Fokusregler Screen Schirmgitterregler H Board 4 Fig 3 Abb 3 ...

Page 6: ... Multimedia Hinweise und Notizen Genauso wie dieses Produkt einen ersten Schritt in Richtung erweitertes interaktives Training bereitstellt ermöglicht es einen noch schnelleren Zugang zu technischen Informationen VDP O K TUN O K E2 O K MSP O K DPL PCB O K Cab O K Sum Factory use only Nur für Herstellung OPTION 1 3D 3D OPTION 2 0C 0E OPTION 3 1D 1D OPTION 4 00 00 OPTION 5 EF EF OPTION 6 23 23 5 Ser...

Page 7: ...e oscilloscope Select Ug2 adjustment and adjust the screen VR until the display shows O K ABGLEICH Vorbereitungen Abgleich B Abgleich 1 Testbild empfangen Helligkeit auf Minimum Kontrast auf Minimum Lautstärke Minimum 1 Mit R811 muß die B2 auf 148V 1V 130V 1V TX 21MK1F M eingestellt werden 2 Folgende Spannungen sind zu überprüfen B9 5 0 25V B10 5 0 25V B5 12 0 5V B11 33 1 5V B4 16 1V B7 8 0 5V B12...

Page 8: ... Pin 39 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 ...

Page 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 ...

Page 10: ...ität V Lin 006 Optimale Einstellung Vertikale Symmetrie V Sym 002 Optimale Einstellung DVCO DVCO 005 Ein Farbbalken Testbild empfangen Zum Abgleich des Farboszillators DVCO die blau Taste drücken Nachdem ein leichtes Flackern in den Farbbalken zum Stillstand gekommen ist die STR Taste drücken Cut off Cut off 0171 Ug2 Test Ug2 055 O K Einen Oszillographen an die blaue Katode der Bildröhre anschlies...

Page 11: ... 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 Q3402 8 6 3 H BOARD VIDEO SWITCHING TX 28MK1F M ONLY TX 28MK1F M...

Page 12: ... 6 R 1 R 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 21 DACA_R 22 DACA_L E BOARD AUDIO PROCESSOR AUDIO OUTPUT AUDIO MONITOR OUT Q103 49 ANA_IN2 X101 X102 Q2304 Q2302 Q2303 Q2301 ...

Page 13: ... LOCAL KEYS SWITCH MATRIX 60 Q854 52 Q853 74 IC1051 Q1052 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 AUDIO PROCESSOR MICRO PROCESSOR VIDEO PROCESSOR EAROM REMOTE CONTROL RECEIVER Q1051 D1051 L L L L POS NEG 82 8...

Page 14: ... 3 4 2 1 3 1 S4 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 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 E1 4 1 E2 2 1 R802 DEGAUSS COIL Lin...

Page 15: ...e numbers on the exploded view below refer to the mechanical section of the Replacement Parts List Anmerking Die Nummer auf den mechanischen Teilen Zeigt die Bezugsnummer der Ersatzteilliste an 20 21 16 15 13 14 4 19 5 9 3 18 12 17 6 1 7 2 10 11 8 ...

Page 16: ...ANISH TQB8E2708HK I C s AUDIO OUTPUT IC251 LA4282 R G B OUTPUT IC351 TDA6103Q N3 VERTICAL OUTPUT IC451 LA7845N VIDEO PROCESSOR IC601 VDP3112BPPC2 E W CORRECTION IC701 TEA2031A POWER SUPPLY IC801 STRF6654LF51 12V REGULATOR IC851 L78M12MRB 5V REGULATOR IC852 L78M05MRB 8V REGULATOR IC853 AN78L08TA LED RECEIVER IC1051 RPM6937 V4 MICRO PROCESSOR IC1101 SDA5450C48 EPROM IC1102 27C2001 F29 RESET IC1104 M...

Page 17: ...PLB TRANSISTOR Q851 BC857B TRANSISTOR Q852 2SC1383 S TRANSISTOR Q853 BC847B TRANSISTOR Q854 BC847B TRANSISTOR Q855 BC847B TRANSISTOR Q856 BC847B TRANSISTOR Q857 2SA1018QTA 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 Q...

Page 18: ... JA60 ERJ6GEY0R00 0 1W 5 0 S M CARB JA61 ERJ8GEY0R00 125W 5 0 S M CARB JSE3 ERJ6GEY0R00 0 1W 5 0 S M CARB JSE4 ERJ6GEY0R00 0 1W 5 0 S M CARB JSE5 ERJ6GEY0R00 0 1W 5 0 S M CARB JSE10 ERJ6GEY0R00 0 1W 5 0 S M CARB JSE12 ERJ6GEY0R00 0 1W 5 0 S M CARB JSE17 ERJ8GEY0R00 125W 5 0 S M CARB JSE25 ERJ6GEY0R00 0 1W 5 0 S M CARB JSE26 ERJ6GEY0R00 0 1W 5 0 S M CARB JSE33 ERJ6GEY0R00 0 1W 5 0 S M CARB JSE35 ER...

Page 19: ...5 S M CARB R651 ERJ6GEYJ750 0 1W 5 75 S M CARB R652 ERJ6GEYJ102 0 1W 5 1K S M CARB R654 ERJ6GEYJ622 0 1W 5 6K2 S M CARB R655 ERJ6GEYJ103 0 1W 5 10K S M CARB R658 ERJ6GEYJ153 0 1W 5 15K S M CARB R659 ERJ6GEY0R00 0 1W 5 0 S M CARB R660 ERJ6GEY0R00 0 1W 5 0 FUSIBLE R701 ERQ12AJ101 0 5W 5 100 METAL R703 ERG2FJ821 2W 5 820 S M CARB R704 ERJ6GEYJ563 0 1W 5 56K S M CARB R705 ERJ6GEYJ104 0 1W 5 100K S M C...

Page 20: ...RB R2102 ERJ6GEYJ101 0 1W 5 100 S M CARB R2103 ERJ6GEYJ101 0 1W 5 100 S M CARB R2104 ERJ6GEYJ101 0 1W 5 100 S M CARB R2105 ERJ6GEYJ101 0 1W 5 100 S M CARB R2106 ERJ6GEYJ101 0 1W 5 100 S M CARB R2107 ERJ6GEYJ101 0 1W 5 100 S M CARB R2108 ERJ6GEYJ101 0 1W 5 100 S M CARB R2109 ERJ6GEYJ183 0 1W 5 18K S M CARB R2110 ERJ6GEY0R00 0 1W 5 0 S M CARB R2111 ERJ6GEYJ221 0 1W 5 220 S M CARB R2112 ERJ6GEYJ102 0...

Page 21: ...350V 100nF ELECT C303 ECJ2VB1C104K 350V 100nF ELECT C304 ECA1CM100GB 16V 10µF FILM C354 ECQM2104KZ 250V 100nF S M CAP C355 ECUV1H471JCX 50V 470pF S M CAP C356 ECUV1H471JCX 50V 470pF S M CAP C357 ECUV1H471JCX 50V 470pF FILM C358 ECQM1H224J 50V 220nF CERAMIC C360 ECKC3D152J 2KV 1 5nF ELECT C361 ECA1HMR47GB 50V 1 5nF ELECT C363 ECA1VM471GB 35V 470µF S M CAP C451 ECUV1H102JX 50V 1nF S M CAP C453 ECUV1...

Page 22: ...21JCX 50V 220pF ELECT C1120 ECJ2VF1H104Z 350V 100nF S M CAP C1121 ECUV1H221JCX 50V 220pF S M CAP C1123 ECUV1H101JCX 50V 100pF S M CAP C1124 ECUV1H101JCX 50V 100pF S M CAP C1125 ECUV1H101JCX 50V 100pF S M CAP C1126 ECUV1H101JCX 50V 100pF S M CAP C1127 ECUV1H221JCX 50V 220pF S M CAP C1128 ECUV1H223KBX 50V 22nF S M CAP C1129 ECUV1H270JCX 50V 27pF S M CAP C2101 ECUV1H102JCX 50V 1nF S M CAP C2102 ECUV1...

Page 23: ... R T 13 A51EER35X70 CABINET 14 TKY8E400 1 CRT FIXING SCREW 15 VP15005 35 DEGAUSS COIL 16 TLK8E05143 E P C B 17 TNP8EE009CJ MODEL LABEL 18 TQF8E2785 PANASONIC BADGE 19 TBM8E1928 POWER CORD 20 TSX8E0028 Y P C B 21 TNP8EY013AD MISCELLANEOUS COMPONENTS OUTER CARTON TPC8E4674 TOP CUSHION TPD8E606 1 BOTTOM CUSHION TPD8E607 1 I C s ERROR AMPLIFIER IC850 SE130N EAROM IC1103 XDG2 01AF TRANSISTORS TRANSISTO...

Page 24: ...S M CARB R913 ERJ6GEYJ473 0 1W 5 47K S M CARB R914 ERJ6GEYJ822 0 1W 5 8K2 S M CARB R915 ERJ6GEYJ152 0 1W 5 1K5 S M CARB R916 ERJ6GEYJ391 0 1W 5 390 FUSIBLE R919 ERQ14AJW390 0 25W 5 39 FUSIBLE R920 ERQ14AJW390 0 25W 5 39 CARBON R921 ERD25TJ471 0 25W 5 470 CARBON R922 ERD25TJ393 0 25W 5 39K CARBON R923 ERD25TJ393 0 25W 5 39K CARBON R924 ERDS1FJ390 0 5W 5 39 S M CARB R925 ERJ6GEY0R00 0 1W 5 0 S M CAR...

Page 25: ...UNGEN 1 The Power Supply Circuit contains a circuit area which uses a separate power supply to isolate the earth connection The circuit is defined by HOT and COLD indications in the schematic diagram All circuits except the Power Circuit are COLD Take the following precautions 1 Das Schaltnetzteil enthält Bereiche die direkt mit dem Netz verbunden sind Diese Bereiche sind im Schaltplan mit HOT gek...

Page 26: ......

Page 27: ......

Page 28: ......

Page 29: ......

Page 30: ......

Page 31: ... 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 TPE13 M4 Q253 ...

Page 32: ...4 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 28 H G F E D C B A 1 2 3 4 5 6 7 8 9 ...

Page 33: ...5 D355 F6 D356 G5 D357 G5 D358 F5 D359 G5 D360 C6 D361 B6 D362 D7 D363 D7 D364 D7 TEST POINTS TPY1 E4 TPY2 F5 TPY3 F4 TPY4 E3 TPY5 D3 TPY6 B6 TRANSISTORS Q351 G4 Q352 F4 Q353 G4 Q354 C7 I C S IC351 E6 29 1 2 3 4 5 6 7 A C B D E F G H ...

Page 34: ...H BOARD TNP8EH002 TRANSISTORS Q3401 C3 Q3402 A2 I C S IC3401 C2 30 1 2 3 A C B ...

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