SB-900 TS-940S PLL Unlock 10-18-85 Some users of the TS-940S have reported a blanking of the display accompanied by a loss of transmit and receive. Re-adjustment of the PLL unit will correct this tendency. PROCEDURE: On the PLL unit 1. Set the dial frequency for approximately 1.8 MHz (inside the band) 2. Using an RF probe at TP5 adjust L22, L23, and L24 for a maximum reading on the meter. You should see approximately 250mv. 3. Adjustment of L24 will produce the greatest change, which may be up to a 90 degree adjustment from its present position. Time required for this modification is 1/2 hour or less. CLM (c) 121589TKC