Becker europa TR Service Manual
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Becker europa TR Service Manual

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Service Manual
A-1 valid BEZW (24 volt type)
devices Technology C / 08 from
device 700. 000th A 50001

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Summary of Contents for Becker europa TR

  • Page 1 Service Manual A-1 valid BEZW (24 volt type) devices Technology C / 08 from device 700. 000th A 50001...

  • Page 3: Table Of Contents

    Table of Contents page 3 Operating Features and Specifications page 4 Image for Operating Features page 5 Electrical function description AM bands page 6 Electrical Function Description FM areas page 7 Electrical function description LF section page 7 Voltage switching polarity switching page 8 Mechanical design and function Page 9, 10th ,...

  • Page 4: Operating Features And Specifications

    Operating Features and Specifications Tuning: range setting: means variometer vote on pushbuttons. Possibility to lock stations (1 x LW, MW 1 x, 1 x KW, 2 x FM) 2-stage Fade: Connection options: 1 or 2 speakers shortwave adapter "Reims 8" automatic antenna switchable to request connection for car turntable or tape recorder (for recording and playback) to 6 V or 12 V plus or minus to ground Operating voltage:...
  • Page 5 Fig. 1 5th hole for the adjustment of the antenna trimmer (below 750 mm seen against 1 connection cable between the device and LF section device-back) 2. LF part with end stage 6. volume control, on-off (by rotation), tone control (in two stages, by -Zug to use) 3.

  • Page 6: Electrical Function Description Am Bands

    Electrical function description constricting resistance R 205 (2.2 ohms), by the C 207 (47 nF) constricting resistance R 205 (2.2 ohms), by the C 207 (47 nF) 1. AM bands KML is bridged for the HF. a) precursor Different mass points at the input circuit with C 2 (10 / 60pF) on the housing, R The antenna voltage is fed from the Trennkonden- sator C 1 (10 nF) to the input 201 (180 ohms), R202 (8.2 ohms), C 201 (20/100 pF), C 204 (3 nF), etc.
  • Page 7 iff a capacitive precipices the collector is of soon a value at which the diode Di opens wi 201 rd. This means for further down T 202 at the oscillator circuit. The collector supply voltage wi rd through R 217 (47 ohms) T 202 at the oscillator circuit.
  • Page 8 Licher voltage operating voltage variations on the basic advantages and 3. NF gain indirectly to the collector quiescent currents From the volume control the NF-voltage across C 301 (0.1 uF) reaches the input of the is almost eliminated by acting as a stabilizer silicon diode Di three hundred and first transistor T 301.

  • Page 9: Mechanical Design And Function

    Mechanical design and function The device EUROPA TR is 2-part, it consists of a receiver section (RF-IF part) and the as moved. Wi around the drive turned to the left, the vertical speed cores dive into the NF-part. The latter is screwed on in the normal fal l pivotally mounted on the receiver variometer coils with clockwise rotation they move in the opposite direction.
  • Page 10 Fig. 9 10. Oil switch plate 1. Hand drive shaft (see also Fig. 7 u. 8 a) 11 rocker 2. release lever 12, return spring (to the shifting rod) 3. drive 13. Segment (see also Fig. 11 b) 4. clutch disc 14 clutch comb 5.
  • Page 11 1. Blend screen 11. FM variometer unit 2. hexagonal nut M 3 DIN 439 12. counter bearing 3. spacer bolts 13. snail 4. hex nut 14. locking screw (M 4 x12 DIN 931) 5. bell crank 15 tab 6. variometers cores AM + FM 16.

  • Page 12: Notes For Mechanical Adjustment And Repair Work

    Notes for mechanical adjustment and repair work 3. Setting the clutch 1. Remove lid The lids are not screwed and can be opened with a screwdriver. The aim is After prolonged use, especially when the hand executors blade of the rectangular latching hole are inserted in the cover edge at drive shaft often rotates in spite of the attacks rd wi occurs a slight wear on the the rear side between the locking spring and the upper edge of the screw.
  • Page 13 4. Set the shift rods ( Fig. 11 a + 11 b) The shifting rods are set in the factory, tested 4. Set the shift rods ( Fig. 11 a + 11 b) The shifting rods are set in the factory, tested Ben execution for removing the scales essay remove the loading and and secured by lock nut and varnish.

  • Page 14: Conversion Process For Connecting A Record Player Or Tape Recorder

    11. Replacing the manual drive shaft ( Fig. 9) 11. Replacing the manual drive shaft ( Fig. 9) To switch spring, shoulder screw and lock spring. a) lock washer St 5 x 0.6 (Seeger) with a pair of pliers squeeze out from the groove. c) For installation, in reverse order.
  • Page 15 Kleinflanschdose (Tuchel T3377) attach (see Fig. 12a). Fig. 12 a) before the conversion Note on the technical data of the microphone Vorsetzers for BECKER TR devices Type Nr. 334 E 0012 (12 volt) type no. 334 E 0006 (6 volts)

  • Page 16: Uk-Plate

    UK-plate (Component side) FM (FM) circuit board compl. 150 E 0120 Condensers coils resistors / violet inductors transistors / diode blue green brown - 15 -...
  • 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 / violet inductors transistors / diode blue green brown - 19 -...

  • Page 21: Rf To If Plate

    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) violet Condensers coils resistors / blue inductors transistors / diode green brown - 23 -...

  • Page 26: Nf-Plate

    NF-plate (head side) - 24...
  • Page 27 Cover sheet not accompanied by notes! - 25...
  • Page 28 - 26 -...

  • Page 29: General Calibration Instructions

    General calibration instructions Fig. 16 1. The device is tested in each case was measured and adjusted by means of an operating voltage of 7 or 14 volts. A Fehlpolung the operating voltage must be avoided, otherwise must be expected transistors damage. 2.
  • Page 30 DC is too small, the associated vertical speed core would be screwed. EUROPA TR / LMKU 24 V The operations are to be repeated until no Nachab- equals longer necessary. The 24 V version EUROPE TR LMKU different from the 12.6 V version only in the LF part.

  • Page 31: Adjustment Positions

    Adjustment positions FM IF ( 10.7 MHz) IF FM IF ( 10.7 MHz) IF decoupling L 103 L IF coupling into F 201 F 202 (prim.) 203 L Second 208 L In F 202 (sec.) In F 203 (prim.) In F Third 203 (sec.) In F 204 (prim.) In F 204 209 L...
  • Page 32 Balance Hi lfsmittel Artificial antenna for AM Artificial antenna for FM Trimmer set so that is short-circuited at the sockets AB Kapizität CD 65 pF ± 1 pF. Connection of the tube voltmeter to the FM test sockets FM signal generator receiver -approximation = 60 Ω: = = 60 Ω: = Signal generator...

  • Page 33: Balance Manual

    balance manual Area balancing Adjustment to: Signal generator Remarks elements MHz uV AM IF: 1. MW 0.46 L 225, L 220, L 219, L Output max. Input voltage (signal generator) selected so 1.63 213, L 212 that about 1 V NF voltage produced at the output.
  • Page 34 - 32 -...
  • Page 36 - 33 -...
  • Page 38 Parts List (electrical parts) of device no. 700000 and A 50001 Pos. In the designation Order no. Pos. diagram FM circuit board compl. 150 E 0130 S 132 100 1 1210 132 1320 132 L 101 L FM variometers set compl. FM variometer 102 L S S S 1325 150 core to FM variometer core to FM-HF-coil...
  • Page 39 Änderungsblat t for page 34 in the manual Europe TR / LMKU Parts List (electrical parts) From device no. 700000 and A 50001 Pos. In the Order no. designation Pos. diagram 150 E 0130 S 132 FM circuit board compl. 1210 132 1320 132 L 101/102 Variometers set compl.
  • Page 40 - 35 -...
  • Page 41 Parts List (electrical parts) of device no. 700000 and A 50001 Pos. In the designation Order no. Pos. diagram LF part compl. 150 E 0100 Driver transformer output transformer Tr tr 301 2710 132 150 S silicon stabilizer Transistor Transistor 302 Di S S 107 2720 301 T...
  • Page 42 - 37 -...

  • Page 43: Parts List (Mechanical Parts)

    Parts List (mechanical parts) of device no. 700000 and A 50001 Order no. designation Pos. Rocker compl. Hub caulked clutch 150 E 2020 E 2006 disc compl. Washer ST mother M 4 150 150 E 2007 150 2 3 4 5 DIN 439 release lever compl.
  • Page 44 - 39 -...
  • Page 45 Changes that serve technical progress. Printed in West Germany by Karl A. Schaefer, Pforzheim...

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