Cobra 148 GTL Circuit Diagram - Page 1

148GTL-ST CIRCUIT DIAGRAM N0150 BLANKER 101 0.31947 ..CF1 = 0 55/4M. Ald_ OFF snaz 454 I TR2 TR3 0312141 031941 C8 111000P R5 47K la i T iE L4179 71 -rx-gj k CT .n228 D2 1060 yT.T., 161' R10 ; TAN 100K 2319620 R11 6 10K 0T3R19/325 TR7 5120200 4 Y T©4 3235 3.\.' ) 014 330P 126 4726 T 054 St 031953R =ZS 112P la''R't2 RUS 106 C11 1000P TR5 03196_24 2nd 05C 7.3MHZ 709 231247 55. N 41 2nd 1122 - 1271 9758 L3 LA1133 221 022u 021 150 2nd IF FT1 CFW45.9AT LEK T R2? 96 R2a 3.3K /77 ACC AMP TRIO C3195CA 4211 330 R22 235485 10K FET2 22 0.6 152473 02 1.1924.73 4.7u ES, = C24 .47o 152473 C25 „FA, 39P R33 9' 07 010 530 960 152473 /77 TR11 03194T R39 0503 51 1-00 712 .47u 2319500 029 K. --• YRI 541 189 100 1046 5126500 0 " YR1 3.305 271 V160 0410 LEK SOUELCH 12401 MOM. YR2 0.362 A 059 SW4034 LOB 147007 C31 II 12P 034 1 47007 US 1060 013 960 014. 152473 ,339 L4 92473 RF AMP 1:Pt - ED TRI4 R50 27MHZ 2315*(0) 2.2K 045 1000P -C38 41H r77 L.5 1.6 T 5P - J; 27MHZ L51 1.001 To 0I 100 242 1000P TRU 0.31541 IXER 1.7 7.8MHZ Leass ' 1; 247 2P LB LA257 6310 048 FET3 SP P72 LA ul721542 - LS LA255 049 .0224 /77 051 R50 ..02314 1521Tr=1--- 019 192473 018 92473 7.8MHZ FT3 24.0157 R34 - °O2 3.340 .022u 0.53 .5224 662 020 22 112473 RIB 156 054 .022,, 035 R60 .022., 222 053 064 230 1.5K 7.80 HZ TR15 03192 LIZ -- ;LAZ70 R69 696 ▪ gU 070 220 5KHZ L14272 R47307 6! 60 0474 0501 100 455KHZ C.64 022 TR 2 LA/564. 7 1 71gll 03192 1I 1 iJ13„7 TRIT C3152 FR P. 03 92 I loz 950 C56 220P R73 10 1250 .047u - 114 LA271 7.8MHZ 1279 15K 0721 10K 007 8191 626 REO 1 1M C79 OFF 0 AMP R.07 IN 10,;:: C70 653 1000? 100K 023 KL 148142110L4054 TRU A116600 O2 069 OK_ R,7.14. 2220P 910uP 155,5 op RB3 4.76 658 7019 3.36 C3191300 067 4706 1u 005 SP R85 3t024 "' 152473 T2 091 TP3 2.7K 073 10 T027,4 s 73 0077 330 060 R250 2.2K 152473 072'. 13'3519:75 Mut 893 IOK 042 IN Ott S2473 2225 I 0.047Un T7 R45 1.2 0241 MO 015 0113 157 7.9MHZ MIXER TP9 152473 470tH T77 • /77 AM AF AMP SSE CET /77 394437 VOLUME 95405 OF GAIN VR404 1KB 1534 R 07 Es 226 23111 1 11?: 34MHZ ▪ 1 248H2 113903 7505 "1401/ 10F5- I SW4 D4C 0.73T3T T 082 094 590 LED DISPLAY LC01 1 009 1 1 1 1 11 1 0 se 'j 2 '13;2 o 1495719 " 1160 - 00163 22K P901 3.3 CAS I`4 VPF LOOP MIXER 10 °501 LE .14 10001 8 TP10 41-=. 7920 0.31947 10 o 9 a .2 L17 47041 0103 2.2.6 2? 66 L _ 177 L" 0101 10K 11.3962 0023 605181 2502 TR501 00T 5 0507 OODP SOP 0604 IK ; 0506 0.1K -11 L19 9102 226 .; LA216 0116 UCH VCO 3 4MHZ 1.59 LA284 094 -047u 033 123 1.4198 C93 .010 /77 r"a • ;46 /77 R7 cab 103 uP011137 0205 27011 R205 220 TP1 /77 S .010 RIR - Frjro'*n-'.s:t . !"., 6912 k CD16 041 0910 2.21( T6901 KTC3117 Kr^ I/O CT1 CT• 10202 406574 YD CTR1 OTR4 ol 04 1.1 0 14 0/13 03 2010 "CO 4 a 0.47 50 1.61 R536 4704 5917 ISO 470 ON FF A9 2 COmPAHDER PATCH 24801 R.921 3R3920 o L.3 VI 0933 0.047 TR22 0119327 0 10 RI SK 0124 1214 TR23 0310500 C102 470DP TR24 177A-. C154 03125CR r Ti. ff 091. 2.001u/; T915 4125520 R12,3 7.26 0133 4711 .847u 177 C1013 .4.7u DMA MIKE YR423 1KA L404. 1.3101 R26 0319509 AM AMC IKE1 40301 Tra7 47285cR 9132 1018 0110 .01u 0 RI35 1K MC UST 4 P71 4404 0404 - 10007 CHAR EL SWITCH 5,5 T;t1; 0 TRH 043.697 /77 0173 020 5714061, MI 0172 HOR at, 7 1.54< BRT 1K VOICELOCK 77 0%711 DSC C5 TTI 553210F2 /777513, 3 p;7. 15 0201 0535 0534 .01u ,01u - L21 341,4142 LA256 TRIPLER 7620 171 11 ."1"1-" . 03194.1' 0116 SP -L- 11' 3,3 I I /77 0203 106 2117 47CP 01,1 R230 5.24 L21 LA205 LZ.1 LA051 470P RI 5 10 i 152473 034 S2473 032 R147 152473 2.01( L24 220211 +500H2, C110 A .01u 0120 LSB R107 ri ] 56 - 500HZ Olu 3 C211.32514H2 0221 fs .470 ., L27 4.70u14 ,- R149 1BK R239 - 17, 10K 0125 038 S2473 9150 220 th 1231 C31947 0124!"' .0224 /77 151 Z2K 7.210.19 TPP use 7.sosime LOB 7.7985.0IT RI58 039 112473 USB +1.5K -LSKFI5 • D412 1 :5127t47. R1;5473 X L30 431 R2.24 A211 3.3K 432 7001 - . 1 .3 66121 .474 CI 5 TR47 A126606 8203 10K TR34 C31047 c137 2-2u RXY SSB A LC /770 D42 10KB R6DKS V00 D". /77 8.30(2K) TR44 L46550 470 1646 LC945 0.37(TX) 671 0470 R157 10K R104 TR33 03196CR rr7 R167 4.70 613B 1=- 9- 1K RI62 4.7K PA 08 5•4148 7. 058 152473 R9 16 LEN RX TR40 L.3552 TR45 L09i3 TR35 4024.3 rx 0153 TX-400 METER 904032 LS9 152473 • B.4Y(TX/RX1 8.3,1(TX) X D4 194001 LAMP% 13.13V LISS ANT ;72: 11.4 G----- 0013 158 R254 150 BEAD CORE ;.1, - --- l= n LLI 74'-,__ 6 0176 020 07.55 270 R177 0141 UP 6250 " 033 0174 12K : 1 -.--•---t- 0142 I.0051 L39 LC010 ;ma -0143 10K 18010 L37 L0051 FT, D47 0145 152475 3P L3E 10012 7'2=1 - 0130 3907 0147 0142 0144 0413 T 14 152473 I 100P 0146 350P 27M HZ 139 104 TP7 0011 cTR3,6,c 0151 471107 0911 10 7037 0.43591 BIAS :13 4182 0202 27MHZ C2D L40 eu 1.B14.1 156 CON L41 0157 4700P II Tees F3), 02166C L43 1504 705 0153 802 15247 IRS 3.36a 075 27MHZ 152473, RIB? 0520 TR327-70 479 02314F BUFFER Rs, 144 1.0096 0150 +700F 0158 4700P /77 022.3 47007 045 1560 D72 0460 A 0135 4700P - 170P 074 RISC 471307 0140 246 'HD CA L /RF .SWR YR4136 SOS 5104088 /77 21oli 048 61352215 FINAL To° Off D53 KOSIE4. DRIVER 0182. 1.20 0159 47007 swg SWR 5124031A S/RF/SWR METER Rota: %Rolston. v0uot or. ahoun in Ohms tollos othursiuo Intad. (6.62o Ohm 1004,gg Ohm) 0106 C103 0195 01 7 .010 0.047u .14 .0224 .1 1 1 1 i 1 105D /7,11_1.111111"r' 2.0apnciinn= yr/ilRY ladloaird in Foruda unIcan athcrvfnc 2.1nrluctunee yaluet are shown in Hory.041.14lern 1141KY) .'• 4.01:cult nnel campnnunts ars abject to change wILhuut nat., (uFAGero Faro:4 PF0}000-nicrn Farad.) 0914 _0479 0196 .0225 50 .01u 34MH Z 21.52 t2; -A254 TX MIX 105 A5130 LA220 27MHZ CA-73 R265 118 053 152473 7.8MHZ L4B LA219 CI34. _0158 4700P /77 /77 023 0165 1 R155 TR53 01192211 0232 2.24 1 k24-55 VOLTAGE REGULAToR IC4 SIA7800 / 4 7. 4.7u TR4 043097 TR42 0319806 054 940 0194 16 • R YRIC 152471 18228 21731 530 0195 12s, 4 7K rr7 0177 22DP - 0205 j0.1u L521 555 564030 5444-044 PA 0170 10009 • • 777 0170 AUDIO 220P POWER AMP ICS 01572174f R195 47 0150 el 33u TR43 comma 0183 0301 .11, 3.318 :ND 0152 99 022u =.0117 .10 01/31 ree ; 220u 1000P 0 2403 10DOP n 1452 En SP J401 !,:.21I 4a -.' C109 44; T4700P _,1 591 N 4 01.1M/3W ... 50402 OH/OFF /77 14.!: 05 12401 .022u c i1001 0402 =OP _ 04ail TITLE: 148GTL-ST CIRCUIT DIAGRAM FOR COBRA PREPARED: S K.CNEUNG - CHECKED BY: APPROVED 01.: RI WM: OER: AI 1SHEET: OF 1 DATCD: APR.5.1393 DATCO: DATED: