Cobra HH 38 WX ST Wiring Diagram - Page 3

BLOCK DIAGRAM FOR COBRA HH38WX-ST V WX VCO 01/05/06 V WX RF AMP 07 WX 1st MIXER Q8 A WX DC CONTROL 02 4 CB DC CONTROL 022 COMPANDER IC201 TA31101F CB RF AMP. Q10 A CB AGC Q11 CB 1st MIXER Q12 A ACC AMP IC2A LM358 AM/FM 2nd MIXER 455KHz AMP & DETECTOR IC1 TK10930V• SQ. CONTROL IC2B LM358/014 AM 0/P, RX PRE AMP Q203 FM 0/P V V ANALOG SWITCH IC202 MC14066 RX AUDIO AMP -41 IC5 LM386 A /// AMP DC CONTROL VR1 SO VOL TX AUDIO DC SW 039/04 PLL L.P.F Q15/016 CB VCO 03/Q17/018/Q19 PWR SAVE FUNCTION V• Vv O -J DC REGULATOR 023/038 V DOUBLER Q28 /// TX AUDIO PRE 035 NO' TX AUDIO AMP IC3 TDA2003 mm JACK WX/CB SCAN LOCK ST LIGHT DW CH9/19 CH UP CH DOWN MCU PLL CONTROLLER LCD DRIVER 0305/0304/0303 VR2B DC SWITCH POWER H/L 026/Q27/Q32/Q31 V TX. BUFFER Q33 v • TX DRIVE Q29 TX AMC Hi • 024/025 • // ANT TX FINAL 030 L.P.F LCD DISPLAY /// IC301 LC72322 TITLE: A BLOCK DIAGRAM FOR COBRA HH38WX-ST DC POWER JACK COMPANY: DRAWN: X.W.PENG DATE: MAR.02,99 Cobra Electronics APPROVED: DATE: