Service manual

1.3.1999
4Z1900GB.fm
30
Product: TDP-60-HN / OY1920 Synthesizer
5.2.6 Control- and Output-Signals
VTXS TX synthesizer operating voltage (3.8 V)
TXAUDIO Transmitter audio signal
12M85 12.85 MHz signal to the receiver circuit.
SCLK Clock signal for synthesizer control data
SDATA Synthesizer control data
SLE ENABLE pulse to the synthesizer
TXINJ TX synthesizer output to the transmitter (+6 dBm)
AFC AFC control voltage from AF/LOGIC-board
TXS_REG Control line for VTXS-regulator