Service Manual 7.UHF3 (350-400 MHz) Information
231
Description of Normal Situations:
1) During reception, output voltage at pin 3 of Q6007 and Q6009: about 4 V. During
transmission, output voltage at pin 3 of Q7000 and Q7002: about 4 V.
2) During reception, voltage at Q6012 E: about 1.8 V. During transmission, voltage at Q7003
E: about 1.8 V.
3) The CV value varies with frequencies. The normal value should range from 0.5 V to 4.5 V.
4) L6057/L7003 is on.
5) During reception, voltage at B of Q6012 and Q6014: about 0.7 V. During transmission,
voltage at Q7006 B: about 0.7 V.
6) PLL_98_CLK outputs 1.92 MHz clock.
To Next Page
Loading...