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1、5 5 4 4 3 3 2 2 1 1 DD CC BB AA CHASSISGNDGND GND SizeDocument NumberRev Date:Sheetof 1.0 Draw By: Rick Jackson (Euro Radio Co). D 11Wednesday, February 21, 2007 MIDLAND 4001.SCH SizeDocument NumberRev Date:Sheetof 1.0 Draw By: Rick Jackson (Euro Radio Co). D 11Wednesday, February 21, 2007 MIDLAND 4

2、001.SCH SizeDocument NumberRev Date:Sheetof 1.0 Draw By: Rick Jackson (Euro Radio Co). D 11Wednesday, February 21, 2007 MIDLAND 4001.SCH 13.8 VDC + DO NOT ADJUST D111 to D114 ALL DIODES 1N4148 _ IC1 TA7205P 7 6 3 4 5 2 1 10 8 9 13.8V 8V TX8V 13.8V PLL8V CHANNEL SWITCH 13.8V 8V LM7808 1 2 3 SW 8V RX8

3、V SW 8V PLL8V TX8V TX8V RX8V 8V 8V RX8V FM MOD (TO VCO) IC 105 IC101 CF2 X101 IC102 EXT SPKR CH 101 IC104 IC103 IC103 Q112 Q111 Q110 Q109 Q115 Q114 Q113 Q102 Q103 Q105 RV103 RF METER RV105 FM DEV RV101 SQUELCH Q101 Q104 Q108 Q107 CF1 MIC AUDIO MIC GROUND IN TX D109 D110 D108 1 23 4 MIDLAND 4001 ALL

4、RESISTORS 1K PA MIC AUDIO RX8V PA SPKR AWI CIRCUIT AWI BOARD PA MIC AUDIO TO SWITCH AND VOLUME CONTROL T8T8 C117 10n C117 10n D102D102 Q110 MPS9246 Q110 MPS9246 R115 2K2 R115 2K2 SWITCH ON/OFF SWITCH ON/OFF R131 10K R131 10K C229 100p (MIC) C229 100p (MIC) GNDGND C178 10n C178 10n Q104 MPS9426 Q104

5、MPS9426 7 5 6 - + IC105B LM324 - + IC105B LM324 R191 47K R191 47K SQUELCH 10K VR2 SQUELCH 10K VR2 R181 1K2 R181 1K2 C190 10n C190 10n C1002 1u C1002 1u Q108 MPS9623 Q108 MPS9623 C135 10p C135 10p C164 180p C164 180p R141 68R R141 68R R161 220K R161 220K C226 10n C226 10n R117 68K R117 68K C210 5p C2

6、10 5p C113 5p C113 5p R174 220K R174 220K R185 820R R185 820R C211 27p C211 27p R113 22K R113 22K D101 1S1555 D101 1S1555 R189 390R R189 390R CH101 CHOKE CH101 CHOKE GNDGND C225 150p C225 150p L109L109 C238470nC238470n C307 10n C307 10n C198 33p C198 33p C214 10n C214 10n MM C250 10n C250 10n 2323 R

7、133 330R R133 330R C223 10n C223 10n 6 6 C155 10n C155 10n R311 150R 1/2W R311 150R 1/2W C224 10n C224 10n R153 33K R153 33K D105 1N60 D105 1N60 R114 2K2 R114 2K2 C121 10n C121 10n SW2(C) CB PA SW2(C) CB PA C114 150p C114 150p C152 10n C152 10n L108 340-014A L108 340-014A R137 2K7 R137 2K7 R118 470R

8、 R118 470R C111 27p C111 27p D108 1N4003 D108 1N4003 D107 1S1555 D107 1S1555 C1013 10n C1013 10n C139 68n C139 68n C306 10n C306 10n C132 1n C132 1n R168 10K R168 10K R157 4K7 R157 4K7 R160 22K R160 22K C146 220u C146 220u C213 10u C213 10u R128 4K7 R128 4K7 Q113 MPS9426 Q113 MPS9426 Q105 MPS9681 Q1

9、05 MPS9681 C183 10n C183 10n C199 1u C199 1u R155 1K R155 1K R1009 90K R1009 90K SW2(A) CB PA SW2(A) CB PA D106 1N60 D106 1N60 T6 340-112 YELLOW T6 340-112 YELLOW C212 120p C212 120p D1013 1N60 D1013 1N60 RV105 20K RV105 20K C170 10n C170 10n C136 10n C136 10n 1515 C110 10n C110 10n C133 10n C133 10

10、n C123 10n C123 10n C194 82p C194 82p R120 7K5 R120 7K5 10 11 14 15 12 13 FILTER AMP SQUELCH TRIGGER FILTER AMP SQUELCH TRIGGER GNDGND R145 470R R145 470R C131 1n C131 1n L111L111 C182 10n C182 10n R156 150K R156 150K C118 10n C118 10n T6T6 GNDGND 2 2 C228 1n C228 1n GNDGND R132 820R R132 820R C105

11、47n C105 47n R164 3K3 R164 3K3 VOLUME 50K VR1 VOLUME 50K VR1 R142 68R R142 68R R1007 39K R1007 39K C124 100u C124 100u L112 0.2uH L112 0.2uH 2424 CF1 10.7 CF1 10.7 R1006 1K2 R1006 1K2 R112 1M R112 1M GNDGND C191 10n C191 10n C162 100p (MIC) C162 100p (MIC) C172 180p (MIC) C172 180p (MIC) 1 1 C181 15

12、n C181 15n R403 2K7 R403 2K7 C301 120p C301 120p R406 2K7 R406 2K7 L105L105 LED DISPLAYLED DISPLAY L122 25uH L122 25uH 8 8 9 - + IC105C LM324 - + IC105C LM324 C125 27p C125 27p Q112 2SC2078 Q112 2SC2078 C185 100u C185 100u C241 10n C241 10n MIC SKTMIC SKT C143 2n2 C143 2n2 RV103 20K RF METER RV103 2

13、0K RF METER C108 10u C108 10u RV102 500R LOW POWER RV102 500R LOW POWER R147 4R7 1/2W R147 4R7 1/2W R104 82K R104 82K 1 411 3 2 - + IC105A LM324 - + IC105A LM324 1010 R151 470R R151 470R Q401 2SA562 Q401 2SA562 C104 47n C104 47n C215 27p C215 27p C145 10n C145 10n C142 1u C142 1u R169 20K R169 20K R

14、107 22K R107 22K L111L111 C197 10n C197 10n 8 8 C206 20p C206 20p R401 1R 2W R401 1R 2W R163 100K R163 100K RV101 2K2 SQUELCH PRESET RV101 2K2 SQUELCH PRESET RV401 2K2 RV401 2K2 1111 1515 T5T5 C151 33u C151 33u R101 2K2 R101 2K2 P.A. SPKRP.A. SPKR GNDGND L118 0.8uH L118 0.8uH C101 10n C101 10n R170

15、10K R170 10K R158 100K R158 100K C179 10u C179 10u T7 340-116 WHITE T7 340-116 WHITE C198 10u C198 10u X101 10.240Mhz X101 10.240Mhz R179 4K7 R179 4K7 R106 470R R106 470R Q102 9426 MPS Q102 9426 MPS C203 27p C203 27p R404 820R R404 820R C147 47u C147 47u METERMETER C216 120p C216 120p MIC GAIN 10K V

16、R4 MIC GAIN 10K VR4 R105 2K7 R105 2K7 C144 68n C144 68n PL259PL259 3131 L107L107 GNDGND C103 10p C103 10p R171 10K R171 10K C137 1u C137 1u R111 4K7 R111 4K7 C120 10n C120 10n D1001 1S34 D1001 1S34 1717 R110 1K R110 1K C177 47u C177 47u R183 470R R183 470R R109 390R R109 390R 9 9 C222 1n C222 1n L12

17、0 0.8uH L120 0.8uH C205 35p C205 35p G G 2020 C154 68n C154 68n C102 10n C102 10n 3 3 L110L110 R172 10K R172 10K C201 10n C201 10n G G 2929 1919 LOCAL / DX SWITCH LO DX LOCAL / DX SWITCH LO DX GNDGND L115L115 L201 22uH L201 22uH C184 10n C184 10n C107 10n C107 10n R186 220R R186 220R D118 LED TX D11

18、8 LED TX R159 47K R159 47K R1011 10K R1011 10K C204 56p C204 56p 7 7 C149 180p C149 180p RF GAIN 10K VR3 RF GAIN 10K VR3 R140 100R R140 100R C158 1p C158 1p C234 4u7 C234 4u7 R1004 56K R1004 56K C167 60p C167 60p C305 10n C305 10n GNDGND Q115 MPS9246 Q115 MPS9246 L116 340-108 L116 340-108 GNDGND C20

19、0 10n C200 10n R135 150K R135 150K R148 1K2 R148 1K2 GNDGND T7T7 R108 15K R108 15K C150 68p C150 68p C176 10u C176 10u T8 340-117 T8 340-117 C221 33p C221 33p R184 1K R184 1K SW2(B) CB PA SW2(B) CB PA GNDGND C128 10p C128 10p L109 340-1D9 L109 340-1D9 C235 10n C235 10n L105 350- 027 L105 350- 027 C1

20、06 47n C106 47n 3232 C219 27p C219 27p R123 100K R123 100K C141 220p C141 220p R1002 1K R1002 1K C166 560p C166 560p C115 47n C115 47n Q103 9426 MPS Q103 9426 MPS C129 10n C129 10n C193 15p C193 15p Q114 MPS9246 Q114 MPS9246 L107 340-1D9 L107 340-1D9 C208 68n C208 68n 16 2 1 33 5 6 7 88 9 4 AMP MIX

21、LIMIT DEMOD Vcc IC101 MC3357 AMP MIX LIMIT DEMOD Vcc IC101 MC3357 1212 C195 10n C195 10n C209 22n C209 22n D116 MA150 D116 MA150 L124 0.5uH L124 0.5uH GNDGND D109 MV2209 D109 MV2209 2121 C153 10n C153 10n C218 5p C218 5p Q109 MPS9246 Q109 MPS9246 L123 6u8 L123 6u8 C127 68n C127 68n R124 100K R124 10

22、0K D305 AWI LED D305 AWI LED D110 MV2209 D110 MV2209 R178 4K7 R178 4K7 C169 80p (MIC) C169 80p (MIC) D115 1N4148 D115 1N4148 1414 L126 1uH L126 1uH 2727 R125 100K R125 100K R134 4R7 2W R134 4R7 2W TO PIN 3 MIC SOCKETTO PIN 3 MIC SOCKET R136 390R R136 390R GNDGND C202 10n C202 10n Q107 MPS9623 Q107 M

23、PS9623 R144 10R 1W R144 10R 1W D117 LED RX D117 LED RX L116 VCO L116 VCO 4 4 R176 22K R176 22K R162 2K7 R162 2K7 C243 10n C243 10n C161 100p C161 100p 1 2 3 CF2 455 CF2 455 R1020 2K2 R1020 2K2 1616 1616 C159 27p C159 27p R146 68R R146 68R L113 0.5uH L113 0.5uH L108L108 C175 47n C175 47n GNDGND R139

24、4K7 R139 4K7 C168 220p C168 220p C227 1n C227 1n C148 4u7 C148 4u7 C171 10n C171 10n R175 2K7 R175 2K7 R102 18R R102 18R T5 340-111 GREEN T5 340-111 GREEN 3030 GNDGND C126 68n C126 68n R196 47K R196 47K C217 220p C217 220p R183 1K R183 1K L121 0.8uH L121 0.8uH L202 22uH L202 22uH D104 1S34 D104 1S34

25、 R177 220K R177 220K R122 10K R122 10K LAMP METER LAMP METER R180 10K R180 10K Q101 MPS9426 Q101 MPS9426 P1 1 P2 2 P3 3 P4 4 P5 5 P6 6 TEST 7 CH19 8 CH9 9 MC 10 T/R 20 FIN 19 VCC 18 AO 17 AI 16 PD 15 LD 14 GND 13 RO 12 RI 11 IC102 LC7137A IC102 LC7137A R138 4K7 R138 4K7 L110 340-015 L110 340-015 222

26、2 2626 EXT SPKREXT SPKR L125 10uH L125 10uH C116 47p C116 47p C236 47n C236 47n 3333 RF POWER SWITCH SW4 RF POWER SWITCH SW4 C1014 1n C1014 1n D103 1S1555 D103 1S1555 W TP1 W TP1 C189 330p C189 330p R149 1K R149 1K R126 1K R126 1K C165 180p (MIC) C165 180p (MIC) R116 4K7 R116 4K7 FIL.1 OUTIN FIL.1 OUTIN C156 1000u C156 1000u C134 470n C134 470n GNDGND R152 10K R152 10K R1542K2R1542K2 2828 Q111 2SC2314 Q111 2SC2314 C157 47n C157 47n SPEAKERSPEAKER L115L115 R182 6K8 R182 6K8 C192 10n C192 10n 5 5 R143 1K R143 1K R150 R10K R150 R10K