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Repair & Adjustment Hints

Albrecht AE 6890, Repair & Adjustment Hints

The Albrecht AE 6890 manual is a comprehensive guide that provides users with detailed repair and adjustment hints for optimal performance. This essential manual can be easily downloaded for free from our website. Upgrade your Albrecht experience by accessing the manual on manualshive.com.

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Main board, circuit diagram

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Summary of Contents for AE 6890

Page 1: ...r Germany dE Version A0 A1 A2 Country DISPLAY CHANNEL 1 1 0 0 UK U FM40CH 4W 2 0 1 0 Spain Italy E F40 4W AM40 4W 3 1 1 0 GERMANY DE FM80 4W AM40 1W 4 0 0 1 EU EU FM40 4W AM40 1W 5 0 1 1 CEPT FM EC FM40 4W 6 1 1 1 POLAND 5K Po FM40 AM40 4W Jumper section B Enable 240CH by adding 0 OHM or solder jumper Default setting no jumper 240 CH is not allowed Jumper section C Default Enable MULTI Standard se...

Page 2: ...mode Keep button CH 9 pressed during power on Reset appears on display for a moment then normal operation starts Operation in standard mode all EU countries Keep MHz button pressed during Power on Release POWER button Release MHz button Select country between dE D CZ EU European AM FM EC European FM E Spain AM FM Po Poland AM FM and U UK FM channels Press MHz to confirm ...

Page 3: ...Ohms resistors Possible modifications 1 and 2 or 3 1 highest possible AM power max 6 8 W eff 2 highest possible FM power max 8 10 W 3 set AM power from 1 W to 4 Watts Note instead of jumper 3 the AM power in 1 Watt position can be fine adjusted by potentiometer between about 700 mW and 4 Watt eff ...

Page 4: ...4 W Power adjustment in FM User potentiometer RV 6 in the power stabilizing section near Modulation transformer for fine tuning to 4 0 Watts FM power ...

Page 5: ...Main board with components values ...

Page 6: ...Main board circuit diagram ...

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