Service Manual
318
[1] About 9.3V for receiver
board.
[2] About 9.1V for pin 2 of Q601 and Q604.
[3] About 5V for pin 5 of U603.
[4] About 3.3V for pin 5 of U604 and U605.
[5] Normal CV voltage is 2.5-4.4V. The test point is TP504.
[6] Disconnect the front-end circuit and input 44.85MHz IF signal at pin 47 of U501; the sensitivity
should be about-107dBm.
[7] Amplitude of 1
st
LO is 16-19dBm.
Description of Normal Situations: