Kenwood TM-642A Скачать руководство пользователя страница 36 | Manualshive

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Содержание TM-642A

Страница 1: ...nline and even the original tiff s scans can be downloaded at http keekles org kb9mci tm742 service manual raw tm742raw tar bz2 I m aware it says 742 but it indeed the 642 It s 8 1gb and I did not feel like re uploading it The entire document was OCR d in Acrobat it s not 100 but searching works most of the time The only manual I can find is the 742 manual and it s a bad scan The board diagrams ar...

Страница 2: ...nd the semiconductor information refer to the service manual of TM 742AIE TM 942A 851 8192 00 CONTENTS OVERVIEW 2 PC BOARD VIEWS 43 PARTS UST 3 144M TX RX UNIT X57 3580 1 2 43 EXPLODED VIEW 21 SCHEMATIC DIAGRAM 47 PACKING 25 144M TX RX UNIT X57 3580 1 2 47 ADJUSTMENT 26 PC BOARD VIEWS 49 PC BOARD VIEWS 31 220M TX RX UNIT X57 3810 10 49 CONTROL UNIT X53 3460 11 31 SCHEMATIC DIAGRAM 53 DISPLAY UNIT ...

Страница 3: ...3462 71 0 Control Unit X53 3462 72 Display Unit X54 31 30 11 0 0 0 0 28TX RX X57 3790 01 50TX RX X57 3800 01 144TX RX X57 3580 11 144TX RX X57 3580 1 2 0 0 0 0 220TX RX X57 3810 10 0 440TX RX X57 3590 1 2 0 0 430TX RX X57 3590 22 430TX RX X57 3592 72 0 1200TX RX X57 3600 11 BAND UNITS Any of the following optional band units may be installed in the TM 742A E and TM 642A The same instructions apply...

Страница 4: ...739 04 1D Gll 0680 13 3D L Scandinavia G1 1 0681 23 Gll 0688 04 K USA P Canada Y PX Far East Hawaii T England E Europe Description TM 642A METALLIC CABINET UPPERl METALLIC CABINET B TT M FREM PANEL BISJDYl PANEL A SSY LISJW ERl PANEL ASSY BACK PANEL BACK PANEL UPPERl L WERl DRESSING PLATE FUNCTIISJNl DRESSING PLATE CAUTIISJN LABEL CAUTIISJN LABEL LABEL M4x8 MAX LABEL S NISJl LABEL FCC LABEL SP ANT...

Страница 5: ...nada T England E Europe Oeser ipt ion SHEETC30X30 ENCI iJDERl Nl iJN WEVEN FABRICC30X10l Nl iJN WEVEN FABRIC Pl iJLYSTYRENE Fl iJRMED FIXTURE PRI iJTECTII iJN Bl iJARD PRI iJTECTII iJN Bl iJARD C150X30l PRI iJTECTHlN BAG PRI iJTECTII iJN BAGC 200X200l PRI iJTECTII iJN BAGC230X400 l ITEM CARTI iJN Bl iJX l iJUTER CARTI iJN Bl iJX MIC Fl iJI iJKCACSY Ml iJUNTING HARDWARECFANl Ml iJUNTING HARDWARE Ml...

Страница 6: ... CHIP c 1 0UF z C28 CK73F8 1E1 04K CHI P c 0 10UF K C29 30 CK73 FF1C105Z CHIP c l OUF z C3 1 CE04EW1A 221M ELECTRlS 22DUF 1DWV C32 34 CK73FBJH1 02K CHIP c 1000PF K C35 CK7 3FB1E104K CHIP c 0 lOUF K C36 CC73FCH1H12JJ CHI P c 120PF J C37 CC73FCH1H390J CHIP c 39PF J C38 CC73FCH1H330J CHIP c 33PF J C39 4 1 CK73FB1 E103K CHIP c 0 01UF K C42 CK73FB1H102K CHIP c 1000PF K C43 CK73FB 1E104K CH I P c D 10UF...

Страница 7: ... 1441 05 L78 0301 05 L7B OOB9 05 R90 0729 05 R90 0727 05 RK73FB2A102J RK73FB2 A473J K73FB2 A 1 02 J RK73FB2A472J K USA P Canada T England E Europe X Australia M Olher Areas CHIP C CHIP C CHIP C CHIP C CHIP C CHIP C CHIP C ELECTR ELECTR ELECTR ELECTR ELECTRISI ELECTRi IJ ELECTRi IJ ELECTRISI CHIP C CHIP C CHIP C CHIP C ELECTRi IJ ELECTRi IJ CHIP C ELECTRISI CHIP C Descr ipt ion 0 01UF tOOOPF 0 10UF...

Страница 8: ...K73FB2A33 3J CHIP R R49 RK73FB2A223J CHIP R R50 RK73FB2A474J CHIP R R51 53 RK73FB2A473J CHIP R R55 57 R92 0670 05 CH IP R R58 RK73FB2 A472J CHIP R R59 RK73FB2 A103J CHIP R R60 RK73FB2A4 73J CHIP R R64 RK73FB2A473J CHIP R R65 67 RK73FB 2A473J CHIP R R68 RK73FB2 A474J CHIP R R69 RK73FB2A121J CHIP R R70 RK73FB2A473J CHIP R R71 RK73FB2 A474J CHIP R R 72 RK73FB2A682J CHIP R R74 RK73FB2A 473J CHIP R R 7...

Страница 9: ...04J CHIP R lOOK J 1 lOW Rl30 133 RK73FB2A183J CHIP R 18K J 1 1 0W R134 RK73FB2A4R7J CHIP R 4 7 J 1 lOW R135 RK73FB2A473J CHIP R 47K J 1110W Rl36 137 RK73FB2Al01J CHIP R 100 J 1 10W Rl38 139 RK73FB2A473J CHIP R 47K J 111 ow Rl40 141 RK73F82A 1OlJ CHIP R 100 J l 10W Rl42 RK73F82A473J CHIP R 47K J l 10W R1 43 1 45 RK73F82A4R7J CHIP R 4 7 J 1 10W R146 RK73FB2A 474J CHIP R 470K J 1 lOW Rl47 148 RK73 FB...

Страница 10: ... TD143EK DIGITAL TRANSISHJR G107 109 2SD1 757K TRANSISTISJR BA1 W09 0573 05 LITHIUM BATTERY DISPLAY UNIT X54 3130 11 151 20 811 1070 04 FI LTER LCD 152 1C 811 1071 04 FILTER LCD C1 CK73GB1H1 02K CHI P c l OOOPF K C2 C92 0004 05 ELECTRtSl l OUF 16WV C3 CK73GB1H102K CHIP c l OOOPF K C4 C92 0045 05 ELECTRISl 22UF 6 3WV C5 CK73GB1H1 02K CHIP c lOOOPF K C6 7 CC73GSL1H101J CHIP c lOOPF J CB 9 CC73GCH1H3...

Страница 11: ...2J CHIP R 1 OK J 1 16W RU 15 RK73GB1Jl 03J CHIP R 1OK J 1 16W R16 RK73FB 2A222J CHIP R 2 2K J 1 10W R17 RK73GB1J331J CHIP R 330 J 1 16W R18 RK73GB1J473J CHIP R 47K J 1 16W R19 RK73GB1J470J CHIP R 47 J 1 16W R 20 RK73GBJJ100J CHIP R 10 J 1116W R21 RK73GB1J105J CHIP R 1 OM J 1 16W R101 RK73FB 2A561J CHIP R 560 J 1 1 ow R10 2 RK73FB2A102J CHIP R 1 OK J 1 lOW R103 RK73GB1J473J CHIP R 47K J 1 1 6W R104...

Страница 12: ... c 0 5PF c C12 CC73FCH1 H151J CHIP c 150PF J C13 CC73FCH1H030C CHIP c 3PF c C14 CC73FCH1HOR5C CHIP c 0 5PF c C15 CC73FCH1H150J CHIP c 15PF J C16 CC73FCH1H020C CHIP c 2 0PF c Cl8 CK73F81H102K CHIP c lOOOPF K C19 CC73FCH1H060D CHIP c 6PF D C20 CK73F 81H102K CHIP c 1000PF K C21 CC73FCH1H050C CHIP c 5PF c C22 CK73 F81E103K CHIP c 0 01UF K C23 CK73F81H102K CHIP c 1000PF K C2 4 CK73F81E103K CHIP c 0 01U...

Страница 13: ...1H020C CHIP c C96 CK73FB1E103K CHIP c C98 CK73FB1H102K CHIP c C99 CE04NW1E100M ELECTRISl ClOD CK73FB1H102K CHIP C C101 CE04NW 1E100M ELECTRISI C103 CK73FB1H102K CH IP C C104 CK73FB1E103K CHIP C C105 CK73FB1H223K CHIP c C110 CC73FCH1H030C CHIP c c111 CK73FB1E103K CHIP C C112 CE04NW1A221 M ELECTRISI C113 CC73FCH1H100D CHI P C C114 115 CC73FSL1H101J CHIP C C116 CC73FCHIH080D CHIP C C119 CE04NW 1E100M...

Страница 14: ...J RK73FB2A103J l Scandinavia K USA P Canada Y PX Far East Hawaii T England E Europe Y AAFES Europe X Australia M Other Areas Descr iption ANT CABLE DC PI IIIIE R CI IIRD PIN CI IINNECTI IIRC12Pl TERMINAL PLATE PHI IINE JACK TERMINAL FUSE SHIELDING PLATE SHIELDING CI IIVER SHIELDING CASECVCI II PLLl INSULATII IIN SHEETCAPCl FUSEC15Al FLAT SPRING THERMAL Sill FLAT SPRING LEAF SPRINGCAPC TRl FLAT SPR...

Страница 15: ...P R 1OK J 1 1 ow R42 RK73FB2A182J CHIP R 1 BK J 111 ow R43 RK73F82A223J CHIP R 22K J 1 lOW R44 RK73FB2A273J CHIP R 27K J 1 1 ow R45 RK73FB2A473J CHIP R 47K J 1 lOW R46 RK73FB2A472J CHIP R 4 7K J 1 lOW R47 R92 0670 0S CHIP R 0 iSIHM R49 RK73FB2A223J CHIP R 22K J 1 lOW R50 RK73FB2A124J CHIP R 120K J 1 10W R5 2 54 RK73FB2A 473J CHIP R 47K J 1 lOW R55 RK73FB2A471J CHIP R 470 J 111 ow R56 RK73FB2A104J ...

Страница 16: ...D14 1SS181 DiroDE 015 MI407 DiroDE D16 M I308 DiroDE D17 18 MA716 DiroD E D1 9 DSA3Al DrrooE IC1 BU40948F IC SHIFT STroRE REGISTER ICl XRU40948F IC B STAGE SHIFT REGISTER IC2 LASOJOM IC Lroll SATURATiroN REGULATroR J ICS KCD04 IC FM IF IC6 KCDOS IC AM IF IC7 KCA04 IC MIC AMPLIFIER IC8 KCB 11 IC DRIVER IC9 KCC04 IC APC IC10 S AV17 IC ProiiER MroDULE FroR 144MHZ IC11 KCHOS IC 144MHZ vcro PLU Gl 3SK1...

Страница 17: ...J CHIP c C57 CK73F81H102K CHIP c CSB CC73FUJ1H200J CHIP c C59 60 CK73FB1H102K CHIP C C61 CE04NW1C470M ELECTR SJ C62 CK73F81H102K CHIP C C63 CK73FB1E103K CHIP c C64 CE04NW1E100M ELECTRISI C65 CE04NW1A330M ELECTR SJ C66 CK73FB1E103K CHIP c C67 CK73FB1H102K CHIP c C68 CC73FCH1H100D CHIP c C69 CC73FCH1H100D CHIP c C70 CK73FB1E103K CHIP c C71 73 CK73F81H102K CHIP c C74 CK73F81H223K CHIP c C75 CE04NW1 C...

Страница 18: ...3 0 3009 15 E72 0406 04 E40 546 1 05 E11 0442 05 E23 06 19 05 Fl0 1446 04 F10 20 10 03 F10 2012 04 F20 1008 04 G02 0600 14 G02 0705 04 G02 0 7 15 04 G02 0718 04 G11 0655 04 G11 0656 24 G11 0661 04 K USA P Canada T England E Europe X Australia M Other Areas 220M TX RX UNIT X57 3810 10 Descr iption Desti Re nation marks gB t m f fili 00 CERAMIC 4 0PF J CHIP c 5PF c CHIP c 0 5PF c CHIP c 2 0PF c CERA...

Страница 19: ...2 L77 1463 05 CRYSTAL RES SINAT SJR 30 37MHZ XFl L71 0420 05 CRYSTAL FILTER 30 825MHZ w N09 3008 46 SCREW M SJDULE N N87 2606 46 BRAZIER HEA D TA PTITE SCREW ANT u N88 2606 46 FLAT HEAD TAPTITE SCREW RS RK73FB2A333J CHIP R 33K J 1 lOW R6 RK73 F82A104J CHIP R lOOK J 1 lOW R7 RK73 FB2A1OlJ CHIP R 100 J 1 1 ow R8 RK73FB2A103J CHIP R 1OK J 1 lOW R9 RK73FB2A101J CHIP R 100 J 1 lOW RI O 12 RK73FB2A104J ...

Страница 20: ...t B2A473J CHIP R R92 93 RK73FB2Al04J CHIP R R98 RK73FB2A223J CHIP R R99 RK73FB2A103J CHIP R RIOO R92 0670 05 CHIP R RIO RK73FB2A I 021 CHIP R Rl02 RK 73FB2A472J CHIP R VRI Rl2 6429 05 TRIM PISJT VR2 Rl2 6427 05 TRIM P SlT VR3 Rl2 6423 05 TRIM PISJT VR4 Rl 2 6423 05 TRIM PISJT TM 642A 220M TX RX UNIT X57 3810 10 Descript ion Desti Re nation m arks D RQ m roJ fifi l5 27K J 11l ow 47K J 1 10W 4 7K J ...

Страница 21: ...B15 KCC04 M57774 KCH08 3SK184 S 2SC2714 Y 2SA1362CY 2SB1119 S DTC144WK 2SC2712CY DTC144EK 2SD1757K 2SK208 Y 2SC2714CY 2SC2712CY FMG1 2SD1902R 2SJ106CGR K USA P Canada T England E Europe X Austra ia M Other Areas Oeser iption Des ti Re n ation marks RR m rtiJ fiilf DI SlDE DIISJDE IC SHIFT ST SlRE REGISTER ICCB STAGE SHIFT REGISTER ICCL W SATURATIISJN REGULATISJR JC FM IF ICCMIC AMPLIFIER ICC DRIVE...

Страница 22: ... t 5 5x6 C HEXAGON NUT M3x30 0 M3x40 M2 6x6 G M2 6x6 OC M2 6x 14 L M2 6x 5 M M2 6x6 EXPLODED VIEW I AFx2 Pans w h the TM 642A Gx4 TX RX unit TM 642A exploded numbers larger than 700 are not supplied 21 ...

Страница 23: ...TM 642A 22 J M2x6 K M2x8 NB0 2006 4 L M2 6x5 NB0 2008 4 Q NUT NB0 2605 45 NI4 0552 05 57 5 702 59 Parts with the exploded numbers larger th an 700 a 7 1 re not supplied ...

Страница 24: ...TM 642A EXPLODED VIEW 53 To Fan X53 346 18 2 701 E M2 6x6 H M2 6x 5 J M2 x6 N M26 0 M2S x6 Br Top x8 Br Top N32 2606 N35 2605 NB0 2006 45 N87 2606 N87 2608 Parts w h the exploded numbers larger than 700 are not supplied 23 ...

Страница 25: ...TM 642A EXPLODED VIEW 217 24 Partsw N09 2077 05 W 1 5 5x 8 NS 2606 46 N M2 6x6 Br Tap NSS 2606 46 U M2 6x6 F Tap 144 rth the exploded num 700 are nat supplied bers larger than ...

Страница 26: ...G 22 WARRNTY CARD B46 041 0 30 BRACKET 7 2 J29 0454 03 PROTECTION BAG 65 H25 0723 04 21 UPC CODE LABEL B44 2163 04 POLYSTYRENE FOAMED FIXTURE 60 H10 2696 12 TM 642A ITEM CARTON BOX p H52 0370 04 742A K M2 H52 0371 04 742A E2 H52 0372 04 l44 440 1200 H52 0334 0044 942A 144 430 1200 H52 0335 62 H13 0897 04 P art s with the exploded numbers large PROTECTION BOARD nhM 700 Uod 25 ...

Страница 27: ... resistor exceeding the rated value in each band 14 Noise generator Use anoise generatorwhose output contains a high frequency component of more than 1 300 MHz near ignition noise 15 Sweep generator Use a sweep generator that can sweep the 1 300 MHz band 16 Tracking generator Preparation Set controls to the position shown in Table 22 unless otherwise specified POWER SW OFF AF VOL VR MIN SOL VOL VR...

Страница 28: ...P Press the MHz key 12 dB SINAD or more models only and check that the Frequency 118 050MHz frequency is set SSG output 73dBmt50J LV to 118 050 with an Modulation 1 KHz encoder Deviation 30 Press the MR key 3 Distortion 1 Frequency 145 040 MHz Distortion Rear EXT SP TX RX L6 Minim1ze the 5 or less factor SSG output 73dBm 50J LV factor panel distortion factor adjustment Modulation 1 KHz Oscilloscop...

Страница 29: ...ear ANT TX RX VR2 Adjust in the 4 0 to 5 0 KHz adjustment AG 1 kHz 50 mV Oscilloscope Panel higher or check direction 4 2 KHz Filter rnJ K Transmit 2 Frequency 145 980 MHz Check 2 2 to 3 6 kHz AG 1 KHz 5 0 mV Transmit 3 Tone check 1 Frequency 144 980 MHz DC detector Rear ANT Check 0 5 to 1 5 KHz Tone On Oscilloscope Panel Transmit 4 Protection 1 Frequency 147 980 MHz Ammeter Check 12 0 A or less c...

Страница 30: ...sensitivity SSG output 121dBrn 0 2J LV meter Panel check Modulation 1KHz Millivoltmeter Deviation 3KHz Oscilloscope SSG 2 Frequency 215 040 MHz Rear EXT SP Check 12dB SINAND or more SSG output 121 dBrnt0 2J 1V panel Modulat1on 1KHz Deviation 3KHz 3 Frequency 229 980 MHz Rear EXT SP Check 12dB SINAND or more SSG output 121dBrnt0 2J LV panel Modulation 1KHz Deviation 3KHz 4 Signal 1 Frequency 222 54...

Страница 31: ...y 224 980 MHz Check 9Wor more Transmit 4 Low power 1 Frequency 222 540 MHz Powermeter Rear ANT Check 3 0 o OW check Transmit Panel 2 Frequency 220 000 MHz Check 3 0 B OW Transmit 3 Frequency 222 980 MHz Check 3 0 B OW Transmit 5 Deviation 1 Frequency 222 500 MHz DC detector Rear ANT TX RX VR2 Adjust 4 4KHz 200 Hz adjustment AG 1 kHz 50 mV Oscilloscope Panel 4 4 KHz check Filter AG K Transmit 2 Fre...

Страница 32: ...NIT X53 3460 11 Component side view D Component side pattern t i I Foil side pattern 0 eo LC3564QMF 1 0 TA78L06F QI G 0 31 TC74HC133AF TC35219F HD74HC165FP TC35219F XRU4066BCF BU4066BCF S 3520CF NJM4558E j 4 6 32 ...

Страница 33: ...ROL UNIT X53 3460 11 Foil side view TC74HCOOAF LA4446 TC4S66F Q 3 4 2SA1641 il r1 I A p R T PC BOARD VIEWS TM 642A 2 4 6 2SC3722K B 2SC4116 E c DTC114EU 288815 2SD1757K 0 Component side pattern DTA144EU 0 Foil side pattern DTC144EK DTA144EK DTD143EK 33 34 ...

Страница 34: ... TM 642A PC BOARD VIEWS 35 DISPLAY UNIT X54 3130 11 Component side view Component side pattern Foil side pattern E G 36 Z40 0218 C 0 2 41 0218 3C HD404719A26H 80 SC14S11 F TC4S11F K DISPI Foil TC74HC73AF 37 ...

Страница 35: ...IT X54 3130 11 Foil side view 74HC 3AF NJM78L05UA 2SA 1745 2881119 DTC114EU DTC144EU 37 v N M Z41 0218 3C Z40 0218 4C 0 Q 38 s R102 9 VFO 1 1 01 041 1 000111 8 3 o o sOO S103 R D Component side pattern Foil side pattern ...

Страница 36: ...4E t 010 4 OTA14AEI 0 1 05 OT0143E Q10 2 SC 4 11 6 Y 0107 10 8 1 0 3 250 1 757 01 0 1 10 3 0 A20 4 U I C1 03 ROD BP ALTA AL TB 10 AL T C 4 E 1 S 10 F CONTROL UNIT XS3 3460 II l 8 2 r 1 f IC1 2 PST70 0 T H j 2 h J L X5 3 A 2 I Cl IC2 IC3 IC4 ICS JC I C 7 HD6 43338 8A25 F LC3564Q MF 1 0 TC74HC1 3 AF TCHHCOOAF S 3520CF HOHHC1 5FP I C6 I C 3 6U4066BCF o r XRU 4066BCF NJM4558E I C1 0 TC35219F l C 1 1 L...

Страница 37: ...20 Q1 2SA1 H5 6 7 i o i I X52 s3u1 0 00 I I I I I TX RX UN I T A 1 I I OP TI ON TX R X U N I T 51 830 2025 05 830 2048 05 830 2053 05 p R T SCHEMATIC DIAGRAM TM 642A XS4 31 30 I I DISPLAY UNIT C 3 I C201 MSMS2 SGS V1K IC202 MSM52E SGS V1K r TlC AX UNIT C 0 i 220MHz TX AX UNIT I X 7 38 1 0 1 0 _ X54 C 3 IC201 202 IC203 206 I C204 IC205 LCD M SMS 26 SGS V1 K TC451 1 F or SC14S11F TC74HC73AF NJM78L05...

Страница 38: ...omponent side view LJ Component side pattern lls l Foil side pattern E POWER MODULE IC10 44 DTA114YK 2SA1362 DTC123JK 2881119 DTC143EK 2SC2712 DTC144EK 2SC2714 DTC144WK 2SD1757K 8 E62c FMG1 2SK208 3SK131 BU4094BF S AV17 oQ 3SK184 KCB11 3 3 1 KCD05 I G 2 2 I 0 8 1 45 ...

Страница 39: ...S AV17 45 144M TX RX UNIT X57 3580 12 Foil side view LA5010M 2SJ106 0 G M KCD04 0 POWER MODULE IC10 46 Q R s D Component side pattern l il1 Foil side pattern T ...

Страница 40: ...ONT 103 5C 5C CONT 103 ALTA 12 HL r RIOI IK CN2 I CONT 104 TO I TO CONT 104 MO 2 MD CONT 104 ME 3 ME CONT 104 ESA 4 ES RB3 0 C0 NT I 0 4 OT A 5 DT I CON T 10 4 CKA S CK 2f 7 EP t CO N T I 0 4 E P Aj B S C f f f 3 5 CONT 10 4 SCA CONT 104 SOA 9 SO 4 _ OmSMF l f f f 0 0 3 CONT 104 SMA CONT 104 RAA I I RA 2 CONT 104 RDA IZ RO 1 o ll o o Q Il O a 0 0 g g g g g TP I CNI J3 t3 Rl4 lOOK a ov IDVl Q 0 2SA...

Страница 41: ...ide pattern lt J f l Foil side pattern KCA04 KCB15 KCC04 KCD04 KCH08 2SD1902R DTC144EK DTC144WK 2SA1362 2SC2712 B 2SC2714 E c NO 2SD1757K I NPUT IC asel E PC BOARD VIEWS 2SB1119S POWER MODULE IC10 FMG1 O E 3 1 Be 2 50 LA5009M 1 G 3SK184 BU4094BF M57774 2SK208 2SJ1 06 3 1 2 0 G D G I ...

Страница 42: ...220M TX RX UNIT X57 381 0 1 0 Foil side view D Component side pattern liE 1 FoiI side pattern D PC BOARD VIEWS POWER MODULE IC10 51 H TM 642A 2 4 6 52 ...

Страница 43: ...9 KCC04 I 0 N ll U U U 1D LLI 0 0 2 ll 0 cc Q23 2SDI902R h N DO IC2 o M P tU 1 G 7 ev H 00 7 I 3 7 V r 1 Rw6s o_v_L__ f l _r r t t ____ u gi i o I I 0 t l L 15 L 16 R74 0 0 o o u I I I I ANl rCN I r 3 1 2 RD RA SM 0 1 sa 0 2 sc I EP r 2 H t i t t I CK 3 DT I f 4 ES r i n1l n n 5 ME I r L toiMO A gv 010 2SAI362 1YI Qll 2SB II 19IS i 1 J2 l l o 1 gi U I It Rl4 IOK R86 0 l R85 0 R84 0 6 8 v I R47 0 C...

Страница 44: ... so I YELLOW TM 642A TM 642A BLOCK DIAGRAM 55 56 ...

Страница 45: ... I I I I SP I I SP I 222 5MHz 30 825MHz I 01 L2 X 57 3810 IO I I C 1 1 2 27 0d8JJ L3 L4 02 SSG 225d8JJ XFl RAB 03 AF VTVM 1 SG input level for which a 12dB SINAD are obtained Measured by connecting the SG to each point via a 0 01JJF capacitor 2 AF level obtained when the AF output level is adjusted for 0 63V 8Q with the front panel AF VOL control Measure with AF voltmeter connected to the speaker ...

Страница 46: ...AMP VR2 AF VTVM X57 3580 12 26dBm DRIVE IC8 RF VTVM X57 3810 10 0 38 v 1 AG is set so taht MIC input becomes 3kHz DEV at 1kHz MOD 2 Transmitting frequency 145 0MHz 220 0MHz 3 HI MID LOW SW HI 4 APC SW OFF TM 642A 52W 220 ANT UT 220S 28W r m m r c a C a 3 i I 0 1 ...

Страница 47: ...TM 642A 59 ...

Страница 48: ...dance sn Notes 1 Circuit and ratings are subject to change without notice due to advancements in technology 2 Recommended duty cycle 1 minute Transm it 3 minutes Reception KENWOOD CORPORATION 14 6 Dogenzaka 1 chome Shibuya ku Tokyo 150 Japan KENWOOD SERVICE CORPORATION P O BOX 22745 2201 East Dominguez Street Long Beach CA 90801 5745 U S A KENWOOD ELECTRONICS DEUTSCHLAND GMBH RembrUcker Str 15 605...

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