Albrecht CB Radio AE 6490 Service Manual
Cb radio ae 6490
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Also See for CB Radio AE 6490:
- User manual (20 pages) ,
- Service manual (12 pages) ,
- User manual (40 pages)
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Summary of Contents for Albrecht CB Radio AE 6490
- Page 1 CB Radio AE 6490 SERVICE MANUAL Downloaded from www.cbradio.nl...
- Page 3 R502 R502 LCD501 LCD501 100_3216 100_3216 SOP7909D SOP7909D AMEBER R501 R501 Q501 Q501 10_3216 10_3216 KRC101S KRC101S R503 R503 100_3216 100_3216 R506 R506 R507 R507 Q502 Q502 18_3216 18_3216 KRA101S KRA101S R504 R504 R505 R505 AMFM/MENU AMFM/MENU BLUE 100_3216 100_3216 100_3216 100_3216 LCD1...
- Page 5 4.7UF/16V(E) RF_GAIN R160 R160 POP_MUTE POP_MUTE 150K 150K C148 C148 C149 C149 Title Title Title Albrecht AE 6490-12 V main board TP10 TP10 0.022 0.022 4.7UF/16V(E) 4.7UF/16V(E) POP_MUTE LSQ_IN LSQ_IN LSQ_IN LEVEL SQ: NOT USE Size Size Size Document Number...
- Page 6 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. ...