Yaesu FT-897 Transceiver
Hersteller:
Modell:
FT-897
Datum:
2002
Kategorie:
Gruppe:
Beschreibung:
HF/VHF/UHF ALL MODE Transceiver
Serviceanleitung
Dokumenttyp:
Serviceanleitung
Seiten:
85
Größe:
11.43 Mbytes (11987307 Bytes)
Sprache:
english
Revision:
Dokument-ID:
Datum:
Qualität:
Elektronisches Dokument, kein Scan, sehr gut lesbar.
Upload Datum:
27 Juli 2014
MD5:
df258695ee513742e48bc41d1cc97de5
Downloads:
565

Information

This manual provides technical information necessary for servicing the FT-897 HF/VHF/UHF ALL MODE Transceiver. Servicing this equipment requires expertise in handling surface-mount chip components. Attempts by non-qualified persons to service this equipment may result in permanent damage not covered by the warranty, and may be illegal in some countries. Two PCB layout diagrams are provided for each double-sided circuit board in the Transceiver. Each side of is referred to by the type of the majority of components installed on that side (“leaded” or “chip-only”). In most cases one side has only chip components, and the other has either a mixture of both chip and leaded components (trimmers, coils, electrolytic capacitors, ICs, etc.), or leaded components only. Specifications ... 2 Exploded View & Miscellaneous Parts ... 4 Block Diagram ... 5 Circuit Description ... 7 Alignment ... 10 Board Unit (Schematics, Layouts & Parts) MAIN Unit ... 21 PLL Unit ... 53 PA Unit ... 59 PANEL Unit ... 73 MIC Unit ... 81 VR Unit ... 82 BATT-CONN Unit ... 83 REF Unit ... 84

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