Albrecht AE6490 Service Manual
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Also See for AE6490:
- Service manual (6 pages) ,
- User manual (20 pages) ,
- User manual (40 pages)
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Summary of Contents for Albrecht AE6490
- Page 1 CB-Funkgeräte AE 6490 / AE 6491 Service Manual Downloaded from www.cbradio.nl...
- Page 2 907ma-E2.job - Thu May 19 04:50:58 2011...
- Page 3 907ma-E2.job - Thu May 19 04:52:28 2011...
- Page 4 ae6891ma.sch-1 - Wed May 18 15:15:16 2011...
- Page 5 ae6891pa.sch-1 - Wed May 18 15:01:11 2011...
- Page 6 907ma-E2.job - Thu May 19 04:47:02 2011...
- Page 7 907ma-E2.job - Thu May 19 04:49:26 2011...
- Page 8 901Pa-GR.job - Wed May 18 07:46:42 2011...
- Page 9 907PA-gr.job - Wed May 18 07:35:12 2011...
- Page 10 907PA-gr.job - Wed May 18 07:32:54 2011...
- Page 11 907PA-gr.job - Wed May 18 07:34:08 2011...
- Page 12 Änderungsanweisung für AE 6490/91 ‐ falls nebeneinander stehende LKW sich nicht in AM hören können Following capacitor change can solve strong signal behaviour problems in AM Folgende Kondensatoränderung beseitigt das bei AM Empfang feststellbare Großsignalproblem. 1. Modification Description Location Original Add or change ‐ Hinzufügen Chip Ceramic C127 180PF Chip Ceramic C107 12PF change to 6 pf or keep value as it is ‐ auf 6 pF ändern oder Wert unverändert lassen 2. Location But The C127 postion is not easy modify because The solder iron can't touch it. So we are change of modify, Add Chip ceramic 180PF from C107 to Ground. Da man schlecht an C 127 löten kann, ist ist es einfacher, 180 pF zusätzlich an gezeigter Stelle einzulöten. 3. Measurement result. Test input condition : AM60%, RF output = 0 dBm, measurement channel frequency. Before) After) 4. Circuit. ...