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Becker europa TR, Service Manual

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Becker europa TR Service Manual Download Page 11

1. Blend screen 

2. hexagonal nut M 3 DIN 439 

3. spacer bolts 

4. hex nut 

5. bell crank 

6. variometers cores AM + FM 

7. polarity switching plug 

8. The fastening screw (on Umschaltträger) 

9. Cylinder head screw (after wave switch) 

10 AM variometer unit 

11. FM variometer unit 

12. counter bearing 

13. snail 

14. locking screw (M 4 x12 DIN 931) 

15 tab 

16. pointer lever 

17. variometers slide 

18. Rest case 

19. dial pointer 

20th spring (on the window screen) 

- 10 -

Summary of Contents for europa TR

Page 1: ...Service Manual A 1 valid BEZW 24 volt type devices Technology C 08 from device 700 000th A 50001...

Page 2: ......

Page 3: ...nversion process for connecting a record player or tape recorder page 14 Technical data of the Mikrofonvorsetzers page 14 Note on the minibus system with microphone connection Printed circuit boards p...

Page 4: ...requencies 145 400 kHz 510 1630 kHz 5 9 to 6 25 MHz 87 108 MHz variable circles 3 3 1 2 solid circles 5 5 7 11 Intermediate Frequency Shrinkage control Scales lamp Assembly AM 460 kHz FM 10 7 MHz effe...

Page 5: ...tion plate with two sockets for connecting any of a KW adapter Reims 8 or an automatic Antenna e f Explanatory note A loudspeaker 5 between a b connect Two speakers each 5 Explanatory note A loudspeak...

Page 6: ...7 ohms in parallel feed KW for the intermediate circuit is provided as a fixed tuned Vol circular l connected with L 205 C 211 1 2 nF in series with C 212 200 pF The basis of the subsequent mixing st...

Page 7: ...de is blocked ie the measured against inner Plus clamping voltage drop at the emitter branch R 205 2 2 ohms is greater than that from the divider 206 R 680 R 207 branch R 205 2 2 ohms is greater than...

Page 8: ...push pull B circuit with emitter degeneration The Kollektorruhe current of 60 mA by means of wi rd R 318 is set To com pensation one in the base chip temperature influences is voltage divider lying N...

Page 9: ...ical speed slide wi thus forced rd Fastening screw of the abutment AM 3 x 4 DIN 84 thrust bearing drive wheel as moved Wi around the drive turned to the left the vertical speed cores dive into the var...

Page 10: ...ocke 6 adjusting nut M DIN 4 439 see also Fig 8a 7 spring 8 Antenna Trimmer 9 retaining spring 10 Oil switch plate 11 rocker 12 return spring to the shifting rod 13 Segment see also Fig 11 b 14 clutch...

Page 11: ...ity switching plug 8 The fastening screw on Umschalttr ger 9 Cylinder head screw after wave switch 10 AM variometer unit 11 FM variometer unit 12 counter bearing 13 snail 14 locking screw M 4 x12 DIN...

Page 12: ...till rotate quickly c fixing screw tightening and tempt 3 Setting the clutch After prolonged use especially when the hand drive shaft often rotates in spite of the attacks rd wi occurs a slight wear o...

Page 13: ...witch 150 E 2070 a L key press and move while pressing the switching rod and dissolved cylinder head bolt the contact carrier until the two the peephole of the Vario meter switch plate visible contact...

Page 14: ...rmore without removing the selector rod after completion of the hexagonal nut M 2 DIN 934 screw the spreading To switch spring shoulder screw and lock spring c For installation in reverse order about...

Page 15: ...Within the Kleinflanschdose are Schaltzungen their terminals respectively connected to contacts 2 and 4 to connect see Fig 13 Operating voltage Power requirements Input impedance ratio of the transfor...

Page 16: ...UK plate Component side Condensers coils resistors inductors transistors diode violet blue green brown 15 FM FM circuit board compl 150 E 0120...

Page 17: ...UK plate conductor side 16...

Page 18: ...Cover sheet not accompanied by notes 17...

Page 19: ...Cover sheet not accompanied by notes 18...

Page 20: ...RF IF plate Component side Condensers coils resistors inductors transistors diode violet blue green brown 19 RF to IF circuit board 150 E 0125 03...

Page 21: ...RF to IF plate Head side 20...

Page 22: ...Cover sheet not accompanied by notes 21...

Page 23: ...Cover sheet not accompanied by notes 21...

Page 24: ...Cover sheet not accompanied by notes 22...

Page 25: ...NF Plat te Component side Condensers coils resistors inductors transistors diode violet blue green brown 23...

Page 26: ...NF plate head side 24...

Page 27: ...Cover sheet not accompanied by notes 25...

Page 28: ...uency A G ZF 460 kHz 8 2 uV 34 microvolts 660 uV 8 uV 34 microvolts 660 uV 7 uV 34 microvolts 660 uV 7 uV 34 microvolts 660 uV 6 7 uV 34 microvolts 660 uV 7 5 uV 34 microvolts 660 uV 8 5 uV 34 microvo...

Page 29: ...1 9 For the ZF balance in the 10 7 MHz IF range the coupling line is unsoldered of the first 10 7 MHz filter from UK part to become laterally guided by the machine frame challenges 10 While the IF Abg...

Page 30: ...mV to 50 microvolts the LF output voltage in MW may drop by more than 10 dB This corresponds to a low frequency voltage of 0 775 V zero dB absolute If the available workplace RF voltage less exceed 5...

Page 31: ...in 205 F ratio sec AM IF 460 kHz In 203 F AM IF 460 kHz In 203 F primary in 203 F sec in 204 F primary in 204 F sec in 205 F prim MW Oscillator Trimmer oscillator series coil antenna trimmer DC input...

Page 32: ...must n ind be uktionsarme resistors No wire or coiled film R1 and R2 must n ind be uktionsarme resistors No wire or coiled film R1 and R2 must n ind be uktionsarme resistors No wire or coiled film R1...

Page 33: ...63 0 56 Trimmer C 238 L 215 Ant Trimmer C 2 Zw Kr Tri C 221 Kern Vorkr u Zw Kr Variometer L 201 and L 207 Output max Output max Output max Output max Adjustment points 8 u Get 9 re until tuning range...

Page 34: ...32...

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Page 36: ...33...

Page 37: ......

Page 38: ...mmer capacitor 10 40 pF trimmer capacitor 10 60 pF trimmer capacitor 10 40 pF Transistor Transistor Transistor Zener Diode Diode Diode Diode Selenium stabilizer ST 2 1 10 Elko 50 microfarads 6 8 V Pit...

Page 39: ...24 FM blue thread root L 225 Diodes 204 205 coupled to use diode 206 Trimmer capacitor 10 40 pF trimmer capacitor 10 60 pF trimmer capacitor 10 40 pF Transistor Transistor Transistor Zener Diode Diode...

Page 40: ...35...

Page 41: ...r thermistor 10 Ternavit K 25 wire controller 40 10 Ternavit K 25 wire controller 40 Elko 25 microfarads 10 12 V Pitch 6 5 x 12 Elko 25 uF 10 12 V Pitch 6 5 x 12 Receptacle connector part compl Einbau...

Page 42: ...37...

Page 43: ...DIN 9401 III wave switch I compl Wave Switches II compl Top cover compl Cover compl below NF lid part I compl NF lid part II Universal connecting strap long connecting strap DB short essay scales Univ...

Page 44: ...39...

Page 45: ...Changes that serve technical progress Printed in West Germany by Karl A Schaefer Pforzheim...

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