SB-047 TS-180S Increase of RX Audio Output 7-30-79 RX audio output from the TS-180S may be increased a total of 4.7 dB. This is an optional change which you can make at the owners request. On the IF unit X48-1240-00 change components: R206 2.2K change to 1 K ohn R207 2.2K change to 4.7 K ohm On the AF Gain Control, between pin 1 and 3; C4 .047uF change to .027uF mylar Please annotate your service manual. JEB/yn (c) 8679TKC