ss3900 ept360015c mosfet schematic

R227 1K C114 150p C163 100p/CH R176 1K D86 1N4148 L31 L51 1/2 WATT C161 0.5p L52 C162 3p/UJ C115 270p TR30 2SC1675 CARRIER OSC C10 0.47u C11 330p R11 100K D2 1N60 NOISE BLANKER R11 10K J503 SO239 TO CHANNEL SELECTOR DIAGRAM R402 120R A 7.30 VOLTS IN RX C143 1u D77 1N4148 R196 680R R199 47R 2.00 VOLTS IN TX R198 56R C199 330u C127 473 R195 22K R200 1K C160 150p/UJ D87 1N4148 C164 1u 7 C159 103 C158 68p/CH TO RX LED TO CHANNEL SELECTOR DIAGRAM C402 103 R211 1K C502 4n7 C146 47u TR41 2SA1869 VOLTAGE REGULATOR R170 100K C134 2u2 R171 47K 8 TO TX LED C147 104/M R168 470K C145 330u R203 2R2 IC8 TDA2003 5 2 4 R169 10K R401 100R R202 1K8 R201 47K Change C147 to 105 (1uF) for better audio stability. R244 3K3 13.