SAILOR SYNTHESIZER BOARD 911

DEVICE: MF/HF, SSB, TRANSCEIVER PARTS

BRAND: SAILOR, SKANTI, DEBEG

TYPE: SYNTHESIZER BOARD 711-911-912, SAILOR 4000 SERIES

The Synthesizer Board 911 includes synthesizers, dividing/multiplication circuits and check detectors. The 1st, 2nd and 3rd local oscillator receive their reference signal from the master oscillator .The 1. local oscillator covers the frequency range from 45 MHz to 75 MHz and generates the injection signal for the 1. mixer on RX/EX signal path. The 2. local oscillator generates by division and multiplication a 44.544 MHz signal for the 2. mixer. The 3. local oscillator generates a 456.5 kHz signal for the modulation/demodulation process.

If you see one of the following error codes after performing the Self Test, replacing this card may solve the problem.

Self test description
Two self tests are included:

1. Telephony selected by the ‘FUNC’, ‘TELEPHONY’ and ‘TEST’ menu items.
2. DSC selected by the ‘FUNC’, ‘DSC’ and ‘TEST’ menu items.

The self test is performed autonatically and is used for verification of all functions, except the ones where PA power is applied. All tests will automatically be performed succesively until the last test has passed or an error condition has occurred. If an error is encountered the self test stops and the display shows ‘Error code:’ and 4 digits the test no. and the error no. where the failure has occurred.

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