Cobra MARINE MR HH330 FLT EU Service Manual Download Page 1 | Manualshive

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MARINE HANDHELD TRANSCEIVER

Catalog Number: MR HH330 FLT /EU

CONTENTS

MR

HH330

FL
T

/EU

Page

Specifications........................................................................................................................................................2

Theory of Operation...............................................................................................................................................4

Block Diagram.......................................................................................................................................................6

Disassembly Instructions................................................................... ..................................................................7

Alignment Procedures...........................................................................................................................................8

Adjustment Procedure...........................................................................................................................................9

Wiring Diagram....................................................................................................................................................10

Printed Circuit Board............................................................................................................................................11

Troubleshooting..................................................................................................................................................15

Exploded View.....................................................................................................................................................15

Exploded View Part List......................................................................................................................................17

Electrical &Packing &Other Parts List..................................................................................................................19

IC Lead Identification and Internal Diagram.........................................................................................................49

Transistor Lead Identification...............................................................................................................................58

Voltage Chart.......................................................................................................................................................59

Schematic Diagram.............................................................................................................................................63

Version:01 Date: Apr 02, 2010

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Summary of Contents for MARINE MR HH330 FLT EU

Page 1: ...ly Instructions 7 Alignment Procedures 8 Adjustment Procedure 9 Wiring Diagram 10 Printed Circuit Board 11 Troubleshooting 15 Exploded View 15 Exploded View Part List 17 Electrical Packing Other Parts List 19 IC Lead Identification and Internal Diagram 49 Transistor Lead Identification 58 Voltage Chart 59 Schematic Diagram 63 Version 01 Date Apr 02 2010 ...

Page 2: ...ltage V 7 4 Low Limit Working Voltage V 7 35 Battery Lifetime Tx 5 Rx 5 Standby 90 Hour 8 6W 7 4V 1000mAH 16 1W 7 4V 1000mAH Memory Resented EEPROM Antenna Socket FIXED Display LCD With Background Light Built ln Speaker Diameter 40mm Impedance 8 Ohm VHF RECEIVER Unit LIMIT Sensitivity For 12dB Sinad uV 0 30 20dB Quieting uV 0 35 Rated audio output 5 Thd Speaker mW 250 Deviation sens For rated outp...

Page 3: ...nd noise ratio dB 40 Mic sens for 3 kHz mV 7 3 Current drain Transmit High A 2 0 Transmit Med A 1 5 Transmit Low A 0 9 Mic Modulation Sen at Sound level of 94 dBA kHz 1 5 Mic Modulation Limiting at Sound level of 110 dBA kHz 4 0 4 9 Note Nominal specifications represent the design specifications All units should be able to approximate these specs Some will exceed these specs and others may drop sl...

Page 4: ...rrent is converted into a voltage signal that signal fed into U2 LM2904 2 2 for sampling U2 is the Automatic power control APC circuit When the unit is transmitting the audio signal is added to the TX VCO Varicap D11 The capacitance of D11 is varied following the audio signal and when mixed with the carrier to form the modulated signal z Receiver The receiver uses a double frequency super heterody...

Page 5: ...r the receive frequency The local oscillator consists of a fundamental frequency oscillator X2 20 95MHz and U6 GP214D A phase Lock Loop PLL U6 KB8825 TX VCO Q14 and RX VCO Q13 The fundamental frequency is frequency divided by U6 and a 12 5 kHz signal is produced When the VCO frequency applied to and frequency divided by U6 produces a frequency comparable to 12 5 kHz PLL will control the VCO When t...

Page 6: ...ET Q17 Bt3904 D16 BAW56 LM324 1 4 LPF BPF LPF LPF SAW BPF HVU307 MOD HUV307 D10 HUV307 D12 F CONT F CONT F1 HDF160B RSSI SQL SQL SQL RSSI B 7 4V B 7 4V B 7 4V B 7 4V CALL BEEP AF SW 1050HZ ATIS 1050Hz ATIS AF SW AF MUTE RX SW VTX VCO RX SW TX 5V RX 5V RX SW V TXPOW VCC 5V CALL BEEP APC LPF SAVE Q10 MB3904 VR1 Q11 MB3904 CLONE 156 163MHz SAW BPF 156 163MHz F2 HDF160B ATIS X1 CBD450C24 LOCK U5 D DAT...

Page 7: ...ONS To remove the front and rear panels from the main chassis 1 Remove the SPK MIC and VOL SQL knob from the main unit 2 Remove 4 screws from the rear housing for main unit 3 Detach the rear housing from the front housing 7 ...

Page 8: ...the following adjustments A TEST EQUIPMENT 1 DC Power Supply 7 2V DC 0 15V 3A max 2 RF Power Meter 10 W 50 Ohm 100 200 MHz 3 RF Signal Generator 100 200 MHz 50 ohm termination 4 FM Linear Detector FMLD 100 200 MHz 5 Frequency Counter 1 500 MHz 6 Oscilloscope 20 MHz 7 Distortion Meter 8 SINADDER Trademark of Helper Instruments Co 9 Audio Oscillator 10 Toggle Switch for use as PTT switch Fig 3 1 RF ...

Page 9: ... antenna coupler output to a frequency counter 2 Set channel to CH01 156 050 MHz 3 Adjust VC1 to obtain a frequency reading 156 050 MHz 200Hz 4 VR2 2 Modulation 1 Connect the antenna coupler output to an FM linear detector 2 Connect Audio Oscillator to Microphone Jack 3 Set unit to transmit mode 4 Set audio oscillator output to 23dBm 1 kHz 5 Adjust VR2 to obtain 4 5 kHz deviation Remark 1 Please r...

Page 10: ...WIRING DIAGRAM 10 ...

Page 11: ...PRINTED CIRCUIT BOARD Main PCB Top View VR2 VC1 11 ...

Page 12: ...PRINTED CIRCUIT BOARD Main PCB Bottom View L18 L20 12 ...

Page 13: ...PRINTED CIRCUIT BOARD Cradle Charger PCB View Top View Bottom View 13 ...

Page 14: ...ve F1 and F2 5 Low receiver sensitivity z Check antenna and connector for possible corrosion or bad connection z Failure of the output from Q7 Q8 Q2 U1 z Check the output level of local OSC 6 No transmit TX z Defective PTT switch z Defective regulator U8 z Check TP1 voltage 0 5 4V z Check power transmits circuit Q12 Q6 D1 D2 and Q1 z Check power control circuit Q17 Q18 Q24 z Check power control ci...

Page 15: ...EXPLODED VIEW for HH330 Main Part 15 ...

Page 16: ...EXPLODED VIEW for Battery and Antenna 16 ...

Page 17: ... TM832FEUL PCBA MAIN PCBA R0 COBRA EU G 330202596 00000 10 18 M COVR MU AL L67 W33 2 H6 260300141 11001 10 19 O RING MU BK RUB H1 4OD L118 5W62 3U2X 270200053 12001 10 20 M WASH MU CU NI L10 55 W1 09 H0 2 two 260300005 11001 10 21 SCREW TS RH L8 D2 6 SUS C two 260100022 00000 10 22 M BRKT MU SS L20 W19 H10 SUS304 260302983 11000 10 23 M SHAF MU PB GD L10 7 W3 6 H two 260300007 00001 10 24 P HOLDER...

Page 18: ...O RING BD BK RUB H5 4OD L94 05W59 270200380 13001 10 43 P RCAB BT ABS G TM832FEUL GRAY 432U 270100953 11002 10 44 CON COMM PB T0 2H5WD GD C two 260300377 11001 10 45 CON CHAR PB T0 2H3 5WD GD UNIT three 260300380 11001 10 Antenna Part Location Codes Description Mfr s Part No 46 P CAP BU ABS BK TM833 832 ANT 3U2X 270102110 11001 10 47 P SLV ANT BU PU BK TM832EUL ANT 3U2X 270102093 12001 10 48 SPRIN...

Page 19: ...8 H6 20C 70C 280700099 00000 10 F5 FLTR REC LEAD 450 K 7 5 KHz 6dB LTM4 280700243 00000 10 VR3 VR ST LOG 10 Kohm P DIP H R A JIS W S 280101743 00000 10 X1 FLTR REC LEAD 450 K 4 KHz 3dB CDB450 280700253 00000 10 X2 XTL 20 95M 2 5 15pF L8 W7 8 H3 30C 50 280700161 00000 10 X3 XTL 7 3728 M 30 12 5pF D3 0 H8 0 10 60 280700031 00000 10 TM832EUL COBA LCD BONDING PCBA R0 COBR 330301732 00000 10 U401 A IC ...

Page 20: ...O 1570 03 280200583 00000 10 C181 CAP CCER 100 nF K 16 VDC 0402 X7R 280200343 00000 10 C199 CAP CCER 3 pF C 50 VDC 0402 COG 280200811 00000 10 C203 CAP CCER 1000 pF K 50 VDC 0402 X7R 1570 280200327 00000 10 C208 CAP CCER 100 nF K 16 VDC 0402 X7R 280200343 00000 10 C209 CAP CCER 100 nF K 16 VDC 0402 X7R 280200343 00000 10 C217 CAP CCER 100 nF K 16 VDC 0402 X7R 280200343 00000 10 C225 CAP CCER 1 uF ...

Page 21: ...000 10 R127 RES TFC 10 Kohm 0402 J 1 16W 280100937 00000 10 R132 RES TFC 47 Kohm 0402 J 1 16W 280101294 00000 10 R134 RES TFC 10 Kohm 0402 J 1 16W 280100937 00000 10 R138 RES TFC 47 ohm 0402 J 1 16W 280101305 00000 10 R148 RES TFC 200 Kohm 0402 F 1 16W 280101079 00000 10 R149 RES TFC 100 Kohm 0402 F 1 16W 280100939 00000 10 R153 RES TFC 1 Kohm 0402 J 1 16W 280100929 00000 10 R154 RES TFC 2 2 Kohm ...

Page 22: ... CAP CCER 10 pF J 50 VDC 0402 NPO 1570 03 280200583 00000 10 C8 CAP CCER 10 pF J 50 VDC 0402 NPO 1570 03 280200583 00000 10 C9 CAP CCER 3 pF C 50 VDC 0402 COG 280200811 00000 10 C10 CAP CCER 10 pF J 50 VDC 0402 NPO 1570 03 280200583 00000 10 C11 CAP CCER 10 pF J 50 VDC 0402 NPO 1570 03 280200583 00000 10 C12 CAP CCER 33 pF J 50 VDC 0603 NPO 280200236 00000 10 C13 CAP CCER 100 pF J 50 VDC 0402 COG ...

Page 23: ...0000 10 C67 CAP CCER 18 pF J 50 VDC 0603 COG 280200768 00000 10 C68 CAP CCER 22 pF J 50 VDC 0402 COG 280200783 00000 10 C69 CAP CCER 22 pF J 50 VDC 0402 COG 280200783 00000 10 C70 CAP CCER 68 pF J 50 VDC 0603 NPO 280200268 00000 10 C72 CAP CCER 22 pF J 50 VDC 0603 NPO 280200214 00000 10 C73 CAP CCER 8 pF D 50 VDC 0402 COG 280200883 00000 10 C74 CAP CCER 8 pF D 50 VDC 0402 COG 280200883 00000 10 C7...

Page 24: ...02 X7R 280200343 00000 10 C143 CAP CCER 220 pF J 50 VDC 0402 COG 280200786 00000 10 C144 CAP CCER 100 nF K 16 VDC 0402 X7R 280200343 00000 10 C145 CAP CCER 220 pF J 50 VDC 0402 COG 280200786 00000 10 C147 CAP CCER 56 pF J 50 VDC 0603 UJ 280200901 00000 10 C148 CAP CCER 4700 pF K 50 VDC 0402 X7R 280200447 00000 10 C149 CAP CCER 10 nF K 25 VDC 0402 X7R 280200336 00000 10 C150 CAP CCER 1000 pF K 50 V...

Page 25: ...2 X7R 280200343 00000 10 C211 CAP CCER 2 pF C 50 VDC 0402 COG 280200779 00000 10 C212 CAP CCER 100 nF K 16 VDC 0402 X7R 280200343 00000 10 C214 CAP CCER 18 pF J 50 VDC 0402 COG 280200767 00000 10 C215 CAP CCER 1000 pF K 50 VDC 0402 X7R 1570 280200327 00000 10 C218 CAP CCER 10 nF K 25 VDC 0402 X7R 280200336 00000 10 C219 CAP CCER 100 nF K 16 VDC 0402 X7R 280200343 00000 10 C220 CAP CCER 470 nF Z 10...

Page 26: ...0000 10 L13 IND SMD 0 1 uH 5 Q8 0603 SDCL1608CR10 280300668 00000 10 L14 IND SMD 0 1 uH 5 Q8 0603 SDCL1608CR10 280300668 00000 10 L15 MAG CORE Ferrite L1 6 W0 8 H0 8 47 NH 280300289 00000 10 L16 MAG CORE Ferrite L1 6 W0 8 H0 8 47 NH 280300289 00000 10 L17 IND SMD 2 2 uH 5 Q30 2520 NLV25T 2R2J 280300620 00000 10 L18 IND SMD 2 2 uH 5 Q30 2520 NLV25T 2R2J 280300620 00000 10 L19 IND SMD 2 2 uH 5 Q30 2...

Page 27: ...0 RES TFC 4 7 Kohm 0402 J 1 16W 280101287 00000 10 R11 RES TFC 4 7 Kohm 0402 J 1 16W 280101287 00000 10 R12 RES TFC 4 7 Kohm 0402 J 1 16W 280101287 00000 10 R13 RES TFC 4 7 Kohm 0402 J 1 16W 280101287 00000 10 R14 RES TFC 4 7 Kohm 0402 J 1 16W 280101287 00000 10 R15 RES TFC 4 7 Kohm 0402 J 1 16W 280101287 00000 10 R16 RES TFC 10 Kohm 0402 J 1 16W 280100937 00000 10 R17 RES TFC 10 Kohm 0402 J 1 16W...

Page 28: ... 10 R74 RES TFC 47 Kohm 0402 J 1 16W 280101294 00000 10 R75 RES TFC 100 ohm 0402 J 1 16W 280100919 00000 10 R76 RES TFC 2 2 Kohm 0402 J 1 16W 280101100 00000 10 R78 RES TFC 56 Kohm 0402 J 1 16W 280101350 00000 10 R80 RES TFC 20 Kohm 0402 J 1 16W 280101076 00000 10 R81 RES TFC 4 7 Kohm 0402 J 1 16W 280101287 00000 10 R82 RES TFC 330 Kohm 0402 J 1 16W 280101211 00000 10 R83 RES TFC 47 Kohm 0402 J 1 ...

Page 29: ...50 00000 10 R142 RES TFC 36 Kohm 0402 J 1 16W 280101235 00000 10 R143 RES TFC 100 ohm 0402 J 1 16W 280100919 00000 10 R144 RES TFC 39 Kohm 0402 J 1 16W 280101254 00000 10 R145 RES TFC 120 Kohm 0402 J 1 16W 280100984 00000 10 R146 RES TFC 18 Kohm 0402 J 1 16W 280101051 00000 10 R147 RES TFC 4 7 ohm 0402 J 1 6W 280101303 00000 10 R150 RES TFC 2 2 Kohm 0402 J 1 16W 280101100 00000 10 R151 VDR CER 18V...

Page 30: ...C6204B332MR SOT25 5 TOREX 210100646 00000 10 U11 A IC ANA NJM2070M DMP 8 210100211 00000 10 VR4 VR ST LIN 50 Kohm P 0 15W SMD V R EVM3YS 280101767 00000 10 TM833FBEUL E M ANT R0 COBRA EU 330500026 00000 10 47 P SLV ANT BU PU BK TM832EUL ANT 3U2X 270102093 12001 10 46 P CAP BU ABS BK TM833 832 ANT 3U2X 270102110 11001 10 TM832FEUL E M LI BATTERY R0 COBRA EU G 330502824 00000 10 41 BAT R PRISM LI 7 ...

Page 31: ...000 10 30 M SPPT MU SS L20 W1 H1 LOCK PIN 260301096 00001 10 4 M SLEE MU SS L5 15 W5 H4 4 SW 260301122 00001 10 31 P COVER MU PC G TM832FEUL GRAY 432U 270100455 12003 10 3 P KEY VOL MU ABS BK TM833FBUSL 3U2X 270100530 11001 10 35 P PLATE MU PMMA BK TM832 TM833 KEYBOARD 270102091 12001 10 19 O RING MU BK RUB H1 4OD L118 5W62 3U2X 270200053 12001 10 6 FOAM HDR RUBB L34 1W26 3T4 7 GREY DS022 32010010...

Page 32: ...451 00000 10 R108 RES TFC 51 Kohm 0603 J 1 16W 280101330 00000 10 R109 RES TFC 12 Kohm 0603 J 1 16W 280100982 00000 10 R110 RES TFC 10 Kohm 0603 J 1 16W 280100938 00000 10 R111 RES TFC 1 Kohm 0603 J 1 16W 280100930 00000 10 R112 RES TFC 82 Kohm 0603 F 1 16W 280101433 00000 10 R113 RES TFC 1 Kohm 0603 J 1 16W 280100930 00000 10 R114 RES TFC 1 5 Kohm 0603 J 1 16W 280101012 00000 10 R115 RES TFC 910 ...

Page 33: ...1 10 CTN OT B B L345W335H220 TM832FEUL REV2 0 300600220 00002 10 WIRING TIE NYLON L240 BK 320100137 00001 10 TM833USL ACSY R0 COBRA USA BLK PKG MAT 330800722 00000 10 SPRING TES BELT SS WD0 6 L12 5 260200095 00000 10 M SHAF MU SS L26 W32 H32 FOR BELT CLIP 260300953 00001 10 P CLIP BU ABS PC BK TM833 832 TOP 3U2X 270102098 11001 10 P CLIP BU ABS PC BK TM833 832 BASE 3U2X 270102099 11001 10 P BAG PE...

Page 34: ...99 00000 10 XTL 21 4M 2 5 2pF L3 2 W8 H6 20C 70C 280700099 00000 10 FLTR REC LEAD 450 K 7 5 KHz 6dB LTM4 280700243 00000 10 VR ST LOG 10 Kohm P DIP H R A JIS W S 280101743 00000 10 FLTR REC LEAD 450 K 4 KHz 3dB CDB450 280700253 00000 10 XTL 20 95M 2 5 15pF L8 W7 8 H3 30C 50 280700161 00000 10 XTL 7 3728 M 30 12 5pF D3 0 H8 0 10 60 280700031 00000 10 TM832EUL COBA LCD BONDING PCBA R0 COBR 330301732...

Page 35: ...0 03 280200583 00000 10 C177 CAP CCER 10 pF J 50 VDC 0402 NPO 1570 03 280200583 00000 10 C181 CAP CCER 100 nF K 16 VDC 0402 X7R 280200343 00000 10 C199 CAP CCER 3 pF C 50 VDC 0402 COG 280200811 00000 10 C203 CAP CCER 1000 pF K 50 VDC 0402 X7R 1570 280200327 00000 10 C208 CAP CCER 100 nF K 16 VDC 0402 X7R 280200343 00000 10 C209 CAP CCER 100 nF K 16 VDC 0402 X7R 280200343 00000 10 C217 CAP CCER 100...

Page 36: ... Kohm 0402 J 1 16W 280100937 00000 10 R127 RES TFC 10 Kohm 0402 J 1 16W 280100937 00000 10 R132 RES TFC 47 Kohm 0402 J 1 16W 280101294 00000 10 R134 RES TFC 10 Kohm 0402 J 1 16W 280100937 00000 10 R138 RES TFC 47 ohm 0402 J 1 16W 280101305 00000 10 R148 RES TFC 200 Kohm 0402 F 1 16W 280101079 00000 10 R149 RES TFC 100 Kohm 0402 F 1 16W 280100939 00000 10 R153 RES TFC 1 Kohm 0402 J 1 16W 280100929 ...

Page 37: ...O 1570 03 280200583 00000 10 C7 CAP CCER 10 pF J 50 VDC 0402 NPO 1570 03 280200583 00000 10 C8 CAP CCER 10 pF J 50 VDC 0402 NPO 1570 03 280200583 00000 10 C9 CAP CCER 3 pF C 50 VDC 0402 COG 280200811 00000 10 C10 CAP CCER 10 pF J 50 VDC 0402 NPO 1570 03 280200583 00000 10 C11 CAP CCER 10 pF J 50 VDC 0402 NPO 1570 03 280200583 00000 10 C12 CAP CCER 33 pF J 50 VDC 0603 NPO 280200236 00000 10 C13 CAP...

Page 38: ...pF J 50 VDC 0402 COG 280200861 00000 10 C66 CAP CCER 27 pF J 50 VDC 0603 COG 280200800 00000 10 C67 CAP CCER 18 pF J 50 VDC 0603 COG 280200768 00000 10 C68 CAP CCER 22 pF J 50 VDC 0402 COG 280200783 00000 10 C69 CAP CCER 22 pF J 50 VDC 0402 COG 280200783 00000 10 C70 CAP CCER 68 pF J 50 VDC 0603 NPO 280200268 00000 10 C72 CAP CCER 22 pF J 50 VDC 0603 NPO 280200214 00000 10 C73 CAP CCER 8 pF D 50 V...

Page 39: ...CAP CCER 100 nF K 16 VDC 0402 X7R 280200343 00000 10 C135 CAP CCER 100 nF K 16 VDC 0402 X7R 280200343 00000 10 C140 CAP CCER 100 nF K 16 VDC 0402 X7R 280200343 00000 10 C143 CAP CCER 220 pF J 50 VDC 0402 COG 280200786 00000 10 C144 CAP CCER 100 nF K 16 VDC 0402 X7R 280200343 00000 10 C145 CAP CCER 220 pF J 50 VDC 0402 COG 280200786 00000 10 C147 CAP CCER 56 pF J 50 VDC 0603 UJ 280200901 00000 10 C...

Page 40: ... 47 nF K 25 VDC 0402 X7R 280200453 00000 10 C206 CAP CCER 470 pF J 50 VDC 0402 COG 280200840 00000 10 C207 CAP CCER 100 nF K 16 VDC 0402 X7R 280200343 00000 10 C210 CAP CCER 100 nF K 16 VDC 0402 X7R 280200343 00000 10 C211 CAP CCER 2 pF C 50 VDC 0402 COG 280200779 00000 10 C212 CAP CCER 100 nF K 16 VDC 0402 X7R 280200343 00000 10 C214 CAP CCER 18 pF J 50 VDC 0402 COG 280200767 00000 10 C215 CAP CC...

Page 41: ...L9 IND SMD 0 1 uH 5 Q8 0603 SDCL1608CR10 280300668 00000 10 L10 IND SMD 0 1 uH 5 Q8 0603 SDCL1608CR10 280300668 00000 10 L11 IND SMD 0 1 uH 5 Q8 0603 SDCL1608CR10 280300668 00000 10 L12 IND SMD 0 1 uH 5 Q8 0603 SDCL1608CR10 280300668 00000 10 L13 IND SMD 0 1 uH 5 Q8 0603 SDCL1608CR10 280300668 00000 10 L14 IND SMD 0 1 uH 5 Q8 0603 SDCL1608CR10 280300668 00000 10 L15 MAG CORE Ferrite L1 6 W0 8 H0 8...

Page 42: ... J 1 16W 280101096 00000 10 R4 RES TFC 220 ohm 0402 J 1 16W 280101096 00000 10 R5 RES TFC 220 ohm 0402 J 1 16W 280101096 00000 10 R6 RES TFC 220 ohm 0402 J 1 16W 280101096 00000 10 R7 RES TFC 4 7 Kohm 0402 J 1 16W 280101287 00000 10 R8 RES TFC 4 7 Kohm 0402 J 1 16W 280101287 00000 10 R10 RES TFC 4 7 Kohm 0402 J 1 16W 280101287 00000 10 R11 RES TFC 4 7 Kohm 0402 J 1 16W 280101287 00000 10 R12 RES T...

Page 43: ...220 ohm 0402 J 1 16W 280101096 00000 10 R68 RES TFC 33 Kohm 0402 J 1 16W 280101205 00000 10 R69 RES TFC 200 Kohm 0402 F 1 16W 280101079 00000 10 R70 RES TFC 56 ohm 0402 J 1 16W 280101361 00000 10 R71 RES TFC 100 ohm 0402 J 1 16W 280100919 00000 10 R72 RES TFC 56 ohm 0402 J 1 16W 280101361 00000 10 R73 RES TFC 0 ohm 0402 J 1 16W 280100909 00000 10 R74 RES TFC 47 Kohm 0402 J 1 16W 280101294 00000 10...

Page 44: ...47 Kohm 0402 J 1 16W 280101294 00000 10 R133 RES TFC 47 Kohm 0402 J 1 16W 280101294 00000 10 R135 RES TFC 47 Kohm 0402 J 1 16W 280101294 00000 10 R136 RES TFC 1 Mohm 0402 J 1 16W 280100948 00000 10 R137 RES TFC 10 Kohm 0402 J 1 16W 280100937 00000 10 R139 RES TFC 820 Kohm 0402 J 1 16W 280101437 00000 10 R140 RES TFC 36 Kohm 0402 J 1 16W 280101235 00000 10 R141 RES TFC 56 Kohm 0402 J 1 16W 28010135...

Page 45: ... 16W 280100937 00000 10 R216 RES TFC 4 7 Kohm 0402 J 1 16W 280101287 00000 10 R218 RES TFC 2 2 Kohm 0402 J 1 16W 280101100 00000 10 RT1 THERM NTC 100 ohm 3 SMD 125TO 40C 280800018 00000 10 U2 A IC ANA NJM2904M SOP 8 210100238 00000 10 U4 A IC ANA NJM324V SSOP 14 210100241 00000 10 U5 A IC ANA NJM324V SSOP 14 210100241 00000 10 U6 O IC RF GP214D TSSOP 16 210100497 00000 10 U8 O IC PWR XC6204B502MR ...

Page 46: ... 11001 10 35 P PLATE MU PMMA BK TM832 TM833 KEYBOARD 270102091 12001 10 19 O RING MU BK RUB H1 4OD L118 5W62 3U2X 270200053 12001 10 6 FOAM HDR RUBB L34 1W26 3T4 7 GREY DS022 320100108 00001 10 FOAM HDR SPNG L30W15T1 Yellow 320100727 00000 10 29 FOAM HDR RUBB D1 8T1 NA Black SCREW CAP five 320100751 00001 10 HH330 Front Housing Assebmly TM832FUSL E M FRONT HOUSING R0 COBRA U 330502829 00000 10 38 ...

Page 47: ... MMBT3904LT1 280400121 00000 10 Q106 TRS BP NPN SOT23 MMBT3904LT1 280400121 00000 10 R101 RES TFC 2 Kohm 0603 J 1 16W 280101071 00000 10 R102 RES TFC 820 ohm 0603 J 1 16W 280101429 00000 10 R103 RES TFC 1 Kohm 0603 J 1 16W 280100930 00000 10 R104 RES TFC 4 7 Kohm 0603 J 1 16W 280101288 00000 10 R105 RES TFC 1 Kohm 0603 J 1 16W 280100930 00000 10 R106 RES TFC 180 Kohm 0603 J 1 16W 280101055 00000 1...

Page 48: ...10 P BAG W550L550T0 08 300301921 00002 10 P BAG PELD W90L150T0 03 300301950 00001 10 P BAG PELD W155L265T0 05 300301977 00001 10 GBX TM832FUSL COBRA L330W190H80 300309178 00001 10 PULP TY TM833FBEUL L315 W185 H75 COBRA R 300309231 01001 10 CTN OT B B L345W180H220 TM832FUSL REV2 0 300600219 00002 10 WIRING TIE NYLON L240 BK 320100137 00001 10 TM833USL ACSY R0 COBRA USA BLK PKG MAT 330800722 00000 1...

Page 49: ... 4 5 6 7 1 8 14 13 12 11 10 9 15 16 16TSSOP PIN FUNCTION 1 1 OSC 2 2 OSC 3 MIXER OUT 4 VCC 5 IF IN 6 BY PASS 7 FILTER OUTPUT 8 FILTER INPUT 9 AUDIO 10 DISCRIMINATOR 11 IF OUTPUT 12 RSSI 13 COMP OUTPUT 14 COMP INPUT 15 GND 16 MIXER U BA FV 1 4116 49 ...

Page 50: ...U NJM M 2 2904 PIN FUNCTION 1 A OUTPUT 2 A INPUT 3 A INPUT 4 GND 5 B INPUT 6 B INPUT 7 B OUTPUT 8 V U3 XC61CN2702MR Block Diagram CMOS Output 50 ...

Page 51: ...U4 U5 324 NJM V 51 ...

Page 52: ...s the open drain output O 6 Clock input 7 DATA Serial data input 8 EN Input of enable signal Serial data interface I 9 BO Output of buffer amplifier The local signal passes through the buffer amplifier O 10 Oscillator output O 11 PLL reference input Typically connected to a TCXO output I 12 Switchover terminal to contr ol time cons tant of loop filter It is the open drain output When switched off ...

Page 53: ...2CTS C1OUT AN8 RB8 PMA7 C2OUT AN9 RB9 TMS PMA13 CV REF AN10 RB10 TDO PMA12 AN11 RB11 V DD PGC2 EMUC2 AN6 OCFA RB6 PGD2 EMUD2 AN7 RB7 PMA8 U2TX SCL2 CN18 RF5 PMA9 U2RX SDA2 CN17 RF4 PMD5 RE5 PMD6 RE6 PMD7 RE7 PMA5 SCK2 CN8 RG6 VDD C1IN AN5 CN7 RB5 C1IN AN4 CN6 RB4 C2IN AN3 CN5 RB3 C2IN AN2 SS1 CN4 RB2 PMA4 SDI2 CN9 RG7 PMA3 SDO2 CN10 RG8 PGC1 EMUC1 VREF AN1 CN3 RB1 PGD1 EMUD1 PMA6 VREF AN0 CN2 RB0 ...

Page 54: ...04B502MR U A 9 45 041 T DB D SU 1 2 3 4 8 7 6 5 SI SCK RESET CS SO GND VCC WP FLASH MEMORY ARRAY PAGE BYTES 256 264 BUFFER BYTES 2 256 264 BUFFER BYTES 1 256 264 I O INTERFACE SCK CS RESET VCC GND WP SO SI 54 ...

Page 55: ...U10 U12 XC6204B332MR U11 NJM2070 1 2 3 4 5 6 7 8 NC V OUTPUT GND GND NC INPUT INPUT 1 3 2 4 5 6 7 8 NC V OUTPUT GND GND NC INPUT INPUT BIAS 300 50K 100K 55 ...

Page 56: ...U1 TL DBVR 02 431 A OUTPUT A INPUT A INPUT V B INPUT B INPUT B OUTPUT D OUTPUT D INPUT D INPUT V C INPUT C INPUT C OUTPUT A D C B V INPUT INPUT V OUTPUT U101 NJM3403AM 56 ...

Page 57: ...U401 HT1621 DICE 57 ...

Page 58: ... 1 3 1 3 2 Terminal No 1 Drain output 2 Source GND 3 Gate input RD MVS 07 1 1 2 3 Drain Gate Source 2 1 3 2SK210Y TRANSISTOR LEAD IDENTIFICATION 1 Gate 1 2 Gate 2 3 Drain 4 Source 1 Base 2 Emitter 3 Collector 1 Gate 2 Drain 3 Source 2 1 2 3 Emitter Base Collector KTC9014 2 1 3 2 772 SB P 1 2 3 Emitter Collector Base 58 ...

Page 59: ...U4 NJM324V PIN 1 2 3 4 5 6 7 8 9 10 11 12 Tx V 4 80 1 86 1 86 1 86 1 86 1 86 1 86 0 1 78 Rx V Pulse 1 56 1 30 4 80 PIN 13 14 Tx V 1 80 1 80 Rx V 5 00 0 U5 NJM324V PIN 1 2 3 4 5 6 7 8 9 10 11 12 Rx V 1 70 1 70 1 70 4 80 2 40 2 40 2 40 2 40 2 40 2 38 0 1 70 PIN 13 14 Rx V 1 70 1 70 U6 GP214D PIN 1 2 3 4 5 6 7 8 9 10 11 12 FIN1 VCC GND EN BO OSCO OSCI SW Rx V 4 82 4 82 1 63 0 4 81 0 0 0 3 65 3 89 4 7...

Page 60: ...5 6 7 8 NC IN FIL GND GND OUT VCC NC Rx V 0 0 0 60 0 0 3 26 7 16 0 U12 XC6204B332MR PIN 1 2 3 4 5 Tx 7 2 0 3 30 0 3 30 Rx 7 2 0 3 30 0 3 30 U101 NJM3403AM PIN 1 2 3 4 5 6 7 8 9 10 11 12 Char 0 4 00 2 50 12 00 0 50 4 00 0 00 4 00 0 0 0 2 50 Stan 0 5 7 2 50 12 00 1 0 10 0 0 0 0 2 50 PIN 13 14 Char 3 40 0 30 Stan 0 0 U102 TL431IDBVR CHARGER PIN 1 2 3 4 5 Charging 2 5 0 0 0 2 50 Standby 2 5 0 0 0 2 50...

Page 61: ...90 4 90 0 5 00 0 6 64 PIN B E C B E C B E C B E C SPK ON 6 58 7 20 7 20 4 99 4 28 6 65 4 96 4 28 7 20 0 7 0 0 PIN B E C B E C B E C B E C Tx V 6 61 7 20 4 91 4 00 4 90 4 54 4 95 4 18 4 72 Rx V 6 61 7 20 4 91 0 68 0 0 4 95 4 18 4 72 Q19 MMBT3904LT1 Q25 MPS8550 Q16 MPS8550S Q21 MMBT3904LT1 Q22 MMBT3904LT1 Q18 MPS8550S Q20 2SC4097R Q24 MPS8550 Q13 2SK302 Q14 2SK210Y Q15 MMBT3906LT1 Q17 MMBT3904LT1 Q1...

Page 62: ... 00 2 50 12 00 10 00 8 20 9 00 10 00 12 00 0 0 10 00 Standby 0 12 00 0 12 00 7 40 12 00 3 90 7 40 12 00 0 70 0 0 PIN B E C B E C B E C Charging 0 0 0 70 0 70 0 0 0 0 0 8 Standby 0 70 0 0 0 0 10 00 0 7 0 0 00 Q28 MMBT3904 Q29 MMBT3904 Q30 MMBT3904 Q23 2SC4097R Q27 2SC4097R Q26 MMBT3906LT1 VOLTAGE CHART CONTINUED Q105 MMBT3904LT1 Q106 MMBT3904LT1 Q103 MMBT3904LT1 Q101 MMBT3904LT1 Q107 2SB772 Q102 MM...

Page 63: ... 10K R146 18K R83 47K R111 470K R115 10K C224 47P R167 33K C122 1u R73 0 C123 100n RX 5V 3 2 1 8 4 U2A LM2904 5 6 7 U2B LM2904 R103 0 39 R104 0 39 R96 100K 1 R108 10K R130 47K R98 200K 1 R99 200K 1 R100 100K 1 R136 1M R137 10K R128 47K Q11 BT3904 C76 2 2uF C38 1n PCS PLD PCK PDA Q26 BT3906 Q9 BT3906 R195 4K7 R194 4K7 R197 2K2 R196 2K2 R198 330 1 8V 2 7V 3 4V 4 45V 0 10V 0 9V 1 8V 2 7V 3 4V 4 45V R...

Page 64: ...1K Q104 3904 VCC U102 TL431A Q101 3904 Q102 3904 Q103 3904 VCC VCC 2 5V R126 1 R125 1 R128 1 R127 1 R114 1 5K R113 1K R129 1 C109 4700p C107 4700p R108 51K R109 12K R105 3 3K 2 5V R107 910 C105 100P Red Green J1 DC_JACK VCC R106 100K D102 1N4001 47K R124 22KF R123 2M 7 4V 1000MAH Input 12VDC C111 100P R120 910 R119 4 7K 2 5V 3 2 1 R121 100K R122 100K R118 3 3K Q106 3904 R130 4 7K 3 2 1 4 11 U101A ...

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