Yaesu VR-901 User manual
VR-901
TOKYO APAN
VAESU
YR-90 I CW/RTTY READER
INTRODUCTION
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SEMICONDUCTORS
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TRANSCEIVER
KEY ACK
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INSTALLATION
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OPERATION
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CW
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ERROR CAUSES
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Negative keying:
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CW Monitor
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CIRCUIT DESCRIPTION
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MAINTENANCE AND ALIGNMENT
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Fig.14
Fig.15
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