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Kenwood TS-990S Service Manual
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Kenwood TS-990S Service Manual

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See also: Service Manual , Information Manual
HF/50MHz TRANSCEIVER
TS-990S
DIAGRAM & CIRCUIT
INTERCONNECTION DIAGRAM ...............................3
ACCESSORY UNIT (X42-3430-00) (A/10~J/10)
SCHEMATIC DIAGRAM (A/10) ............................4
PC BOARD............................................................5
SCHEMATIC DIAGRAM (B/10~J/10) ...................9
DC-DC UNIT (X43-3220-00) (A/3~C/3)
SCHEMATIC DIAGRAM .....................................10
PC BOARD..........................................................11
FINAL UNIT (X45-3880-00) (A/2,B/2)
PC BOARD..........................................................13
SCHEMATIC DIAGRAM .....................................15
DIGITAL UNIT (X46-3390-00)
SCHEMATIC DIAGRAM (1/3) .............................16
PC BOARD..........................................................17
SCHEMATIC DIAGRAM (2/3, 3/3) ......................19
PLL(MAIN) UNIT (X50-3220-00)
PC BOARD..........................................................21
SCHEMATIC DIAGRAM .....................................23
PLL(SUB) UNIT (X50-3230-00)
SCHEMATIC DIAGRAM .....................................24
PC BOARD..........................................................25
AT UNIT (X53-4410-00) (A/2,B/2)
PC BOARD..........................................................27
SCHEMATIC DIAGRAM .....................................31
RoHS
This product complies with the
BOARDS EDITION
REV
CONTENTS
directive for the European market.
© 2013-4 PRINTED IN JA PAN
RQ005 (Y) 195 (B53-7038-00)
CONTROL UNIT (X53-452X-XX)
SCHEMATIC DIAGRAM .....................................32
PC BOARD..........................................................33
DSP UNIT (X53-4530-00)
PC BOARD..........................................................35
SCHEMATIC DIAGRAM .....................................37
DISPLAY UNIT (X54-3850-00) (A/6~F/6)
SCHEMATIC DIAGRAM .....................................38
PC BOARD..........................................................39
RX UNIT (X55-313X-XX) (A/2,B/2)
SCHEMATIC DIAGRAM (B/2) ............................43
PC BOARD (B/2) .................................................43
SCHEMATIC DIAGRAM (A/2) ............................44
PC BOARD (A/2) .................................................45
TX-RX UNIT (X57-827X-XX) (A/2,B/2)
SCHEMATIC DIAGRAM (B/2) ............................47
PC BOARD (B/2) .................................................47
SCHEMATIC DIAGRAM (A/2) ............................48
PC BOARD (A/2) .................................................49
BLOCK DIAGRAM ...................................................51
SPECIFICATIONS ....................................................52
This product uses Lead Free solder.

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  • Page 1 HF/50MHz TRANSCEIVER TS-990S DIAGRAM & CIRCUIT BOARDS EDITION © 2013-4 PRINTED IN JA PAN RQ005 (Y) 195 (B53-7038-00) CONTENTS INTERCONNECTION DIAGRAM .......3 CONTROL UNIT (X53-452X-XX) ACCESSORY UNIT (X42-3430-00) (A/10~J/10) SCHEMATIC DIAGRAM ........32 SCHEMATIC DIAGRAM (A/10) ......4 PC BOARD............33 PC BOARD............5 DSP UNIT (X53-4530-00) SCHEMATIC DIAGRAM (B/10~J/10) ....9...
  • Page 2 While every precaution has been taken in the preparation After repairs have been completed, remove the power of this manual, JVC KENWOOD Corporation assumes no supply cord from the outlet, the antenna, the outside con- responsibility for errors or omissions. Neither is any liability nection cable, etc., and insert the power switch.

  • Page 3: Interconnection Diagram

    TS-990S INTERCONNECTION DIAGRAM PHONES/PADDLE ACCESSORY UNIT ACCESSORY UNIT ACCESSORY UNIT (MIC) (PHONES/PADDLE) (USB) X42-3430-00(C/10) X42-3430-00(E/10) X42-343*-**(D/10) J604 J605 J601 J603 J602 <138> <136> <137> <98> <111> CN22 CN70 CN402 CN520 <78> <332> CN89 CN22 [RED/WHE] MAIN MLO1 MLO1 MENCB DATA...
  • Page 4 TS-990S SCHEMATIC DIAGRAM ACCESSORY UNIT(X42-3430-00)(A/10 : SCOPE ) 13.88V 13.88V 7.98V 8.0V CN10 CN12 IF SEL1or2 ON:13.83V SCIF2_BPF OFF:0V 2SB1694 10.700MHz IF SEL1 ON:13.82V OFF:0V Q26,27 IF SEL1or2 ON:13.09V OFF:13.88V SWITCH 2SB1694 IF SEL1or2 ON:0.08V OFF:13.88V IF SEL1 ON:13.08V OFF:13.88V...

  • Page 5: Pc Board

    TS-990S PC BOARD ACCESSORY UNIT (X42-3430-00) (A/10:SCOPE) Component side view (J79-0358-29) R143 R149 R165 R180 R168 R182 C326 R181 C328 C133 C132 C128 R254 C313 R260 R153 R172 R119 C118 R154 R173 C330 C270 C331 R155 R174 R274 R264 R127...

  • Page 6: Pc Board

    TS-990S PC BOARD ACCESSORY UNIT (X42-3430-00)(A/10:SCOPE) Foil side view (J79-0358-29) R147 C261 C255 C284 R101 CN40 C159 C151 C148 IC12 IC11 CN39 C147 R141 R281 R138 C139 R134 R135 C283 C309 C206 C317 C232 R262 R265 C289 CN38 C238 R248...
  • Page 7 TS-990S PC BOARD ACCESSORY UNIT (X42-3430-00)(B/10:PRESEL, C/10:MIC, D/10:USB:USB, E/10:PHONES/PADDLE, F/10:POW SW, G/10:MULTI, H/10:HC/LC, I/10:NR/NB, J/10:NOTCH/SQL) Component side view (J79-0358-29) J79-0358-29 E/10 L603 R611 R405 R406 R614 L601 C618 DATA PSEDA PSESI R404 R403 C607 PSECK R615 D602 PSEEN R422 C604...
  • Page 8 TS-990S PC BOARD ACCESSORY UNIT (X42-3430-00)(B/10:PRESEL, C/10:MIC, D/10:USB, E/10:PHONES/PADDLE, F/10:POW SW, G/10:MULTI, H/10:HC/LC, I/10:NR/NB, J/10:NOTCH/SQL) Foil side view (J79-0358-29) C413 L404 D418 IC401 R612 L602 CN444 Q420 D409 L423 L612 R419 L401 L402 C448 R418 L425 L614 J79-0358-29 E/10 C456...

  • Page 9: Schematic Diagram

    TS-990S SCHEMATIC DIAGRAM ACCESSORY UNIT(X42-3430-00)(E/10 : PHONES/PADDLE) ACCESSORY UNIT(X42-3430-00)(F/10 : POW) L611 R 6 0 7 S 6 0 1 S602 S603 S604 S606 S608 CN606 L612 C619 L613 R 6 0 8 1000p L614 PHDET KEYO7 CN604 ACCESSORY UNIT(X42-3430-00)(D/10 : USB)
  • Page 10 TS-990S SCHEMATIC DIAGRAM FINAL UNIT COM(D-SUB : 9Pin) AC/DC POWER SUPPLY X45-388(A/2) -CN36 PLL(MAIN) UNIT X50-322 -CN33 C220 C221 R221 AFANP1 0.1u 0 1/8 0.1u FTH1 FTH2 FACDC 1000p DC-DC UNIT(X43-3220-00)(C/3 : APP SECTION) 0.1u 1000p 1000p 1000p 0.1u R69 10k...

  • Page 11: Pc Board

    TS-990S PC BOARD DC-DC UNIT (X43-3220-00, A/3, B/3:LINK, C/3:APP) Component side view (J79-0352-29) J79-0352-29 B/3 Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address R509 R891 D222 IC23 R510 R894 D223 IC24 Q161 CN500 IC50 D224 Q270...

  • Page 12: Pc Board

    TS-990S PC BOARD DC-DC UNIT (X43-3220-00)(A/3, B/3:LINK, C/3:APP) Foil side view (J79-0352-29) J79-0352-29 B/3 Ref. No. Address C508 C510 C512 C509 D225 C511 C513 CN502 CN506 CN510 D226 CN504 CN508 CN511 CN514 CN517 CN401 CN402 CN501 CN505 CN509 CN512 CN515...
  • Page 13 TS-990S PC BOARD Final UNIT (X45-3880-00) (A/2) Component side view (J79-0253-29) C129 CN27 R125 CN35 R513 L73 C261 FANP2 R514 R155 R154 C266 R123 FAN2+ R153 CN28 R515 R510 R121 FANP1 FAN1+ R511 C131 C108 R513 CN20 C260 C265 C259...
  • Page 14 TS-990S PC BOARD Final UNIT (X45-3880-00) (A/2) Foil side view (J79-0253-29) C121 C307 C306 C308 C126 C123 C122 R507 C502 C140 R570 R571 C301 C193 C300 R572 J79-0253-29 A/2 C517 C516 C246 Component side Ref. No. Address Ref. No. Address...

  • Page 15: Schematic Diagram

    TS-990S SCHEMATIC DIAGRAM DC DC UNIT AC/DC TX-RX UNIT X43-322(A/3) -CN16 POWER SUPPLY X57-827(A/2) FINAL UNIT(X45-388-00)(B/2 : ANT CN) -CN800 HFPO2 L850 J800 CN807 L801 R801 CN801 D808 CG5600 C570 PROTECTION ANT1 1000p 1000p C811 0.01u C300 1200p L805 C301 0.01u...

  • Page 16: Schematic Diagram

    TS-990S SCHEMATIC DIAGRAM DIGITAL UNIT(X46-3390-00)(1/3) 3.3V 003:1A 3.26V 3.25V POWER SWITCH 3.22V 3.24V Q803 3.3V _2 3.3V _2 3.3V _2 3.3V _2 3.3V _2 3.3V_2 3.3V TPC6111-F 3.3V _5 002:1A;003:1A 1.8V _4 1.8V _4 1.8V _4 1.8V _4 1.8V _4 1.8V_4...

  • Page 17: Pc Board

    TS-990S PC BOARD DIGITAL UNIT (X46-3390-00) Component side view (J79-0353-29) CP60 R105 TP602 TP100 TP142 CP59 L602 CP62 TP606 C611 CP11 CP68 CP12 CP67 CP66 CP69 CP15 CP10 CP65 CP64 CP58 R621 L603 R622 R164 D602 U2GND R146 R165 TP607...
  • Page 18 TS-990S PC BOARD DIGITAL UNIT (X46-3390-00) Foil side view (J79-0353-29) TP140 TP131 TP601 TP611 TP133 CP20 CP63 R963 R961 R956 R612 R129 CP19 TP138 TP136 TP139 L502 C276 C275 R512 C247 C248 CP61 C504 R294 R293 C251 C252 R427 TP506...

  • Page 19: Schematic Diagram

    TS-990S SCHEMATIC DIAGRAM DIGITAL UNIT(X46-3390-00)(2/3) 3.3V_2 001:14A;003:1A 1.8V_4 001:14A 1.8V_1 001:14A;003:1A 1.2V_3 001:14A 001:14A;003:1B 001:1I IC208 SMCLK SACS0 SMSIMO SASIMO APSHLT SACLK SCOPE_SUB SMCS0 NC29 MSCTS 1.78V MSRTS NC28 MSRXD R346 SYBT8S NC27 MSTXD BICLK SYBT7S R347 001:1I 1.18V C384...
  • Page 20 TS-990S SCHEMATIC DIAGRAM DIGITAL UNIT(X46-3390-00)(3/3) 3.3V 001:14A 3.22V 3.3V_2 001:14A;002:1A IC501 BD6516F 3.22V 5.05V 1.8V_1 CTRLA 001:14A;002:1A oUTA R575 FLAGA R576 FLAGB 5.05V USB_5V CTRLB oUTB 001:14A 4.90V 2CH HIGH SIDE SW 001:1H 001:14A;002:1B IC502 TUSB1106PWR 3.22V USB_HOST 3.22V 001:13A...

  • Page 21: Pc Board

    TS-990S PC BOARD PLL(MAIN) UNIT (X50-3220-00) Component side view (J79-0341-19) C564 CN20 CN21 R350 C191 CN33 L172 L191 CN22 CN19 C587 C624 R359 C241 IC12 C520 C541 C460 R382 C498 C578 C614 C632 C558 R129 R461 C271 C167 R127 R421...

  • Page 22: Pc Board

    TS-990S PC BOARD PLL(MAIN) UNIT (X50-3220-00) Foil side view (J79-0341-19) L184 L166 C493 R265 C338 R385 C608 C573 L222 C544 C523 C617 C599 C569 C501 R424 C682 C346 R353 C494 L185 L167 L215 R214 R249 R386 C609 C574 C295 C687...

  • Page 23: Schematic Diagram

    TS-990S SCHEMATIC DIAGRAM PLL(MAIN) UNIT(X50-3220-00) M3LDDSO R302 4.99V L111 VCO_OUT SELECT:7.82V C713 C714 NoSELECT:0V L112 Q12,13,14 C395 0.047u SWITCH 3.32V C199 C211 C225 C238 R185 C257 C396 1000p 1.8V AVR 1.79V 3.3V R303 C715 R344 C716 R492 C454 DTA123EE 680n...
  • Page 24 TS-990S SCHEMATIC DIAGRAM PLL(SUB) UNIT (X50-3230-00) 5.03V SL05C 0.01u TC7W125FU-F 7.86V 7.03V SL08C 2SC4116(BL)F RIPPLE FILTER R165 R264 S5LCK 7.73V LEVEL SHIFT OF SERIAL DATA 7.01V 7.0V S5LDT C561 3.3V SWITCH R647 SL33C C125 C265 0.01u MC2858-T111 MCH3914(7)-H MCH3914(7)-H IC18...

  • Page 25: Pc Board

    TS-990S PC BOARD PLL(SUB) UNIT (X50-3230-00) Component side view (J79-0342-19) C452 R316 C416 C507 C404 C539 R379 R358 R339 R328 R324 R310 R394 C497 C485 L159 R309 R404 R421 C109 C531 C534 C558 R419 C554 C553 C525 C489 C462 R322...
  • Page 26 TS-990S PC BOARD PLL(SUB) UNIT (X50-3230-00) Foil side view (J79-0342-19) R401 L158 C548 C529 C547 C551 R415 C555 R375 C532 C526 R380 C536 L156 R363 C434 R253 C464 C414 C412 C472 C442 C418 C221 C351 R292 L137 L125 L119 C301...
  • Page 27 TS-990S PC BOARD AT UNIT (X53-4410-00) (A/2:ANT SW) Component side view (J79-0254-29) CN37 Ref. No. Address DATA AFEN C180 C184 C190 C188 C189 R172 C155 C157 AFEN DATA C172 14GND 14GND C122 -12V 33GND 33GND 33GND R170 R175 R174 R130...
  • Page 28 TS-990S PC BOARD AT UNIT (X53-4410-00) (A/2:ANT SW) Foil side view (J79-0254-29) Ref. No. Address R141 R152 C103 C101 J79-0254-29 A/2 Component side Layer 1 Layer 2 Foil side...
  • Page 29 TS-990S PC BOARD AT UNIT (X53-4410-00) (B/2) Component side view (J79-0254-29) R349 R348 R354 R306 R305 R340 Q302 R304 C340 C341 C342 R347 C300 C301 L309 C302 R342 Q300 L308 Q303 Q301 IC300 IC340 Q322 Q320 C323 Q323 L307 Q321...
  • Page 30 TS-990S PC BOARD AT UNIT (X53-4410-00) (B/2) Foil side view (J79-0254-29) L208 L207 L206 L205 L204 L203 L202 L201 C374 C373 CN361 C375 C277 C276 C330 C275 L247 L246 L245 L244 L243 L242 L241 L240 C274 R401 R404 R370 R402...
  • Page 31 TS-990S SCHEMATIC DIAGRAM DC DC UNIT X43-322 (B/2)-CN440 FINAL UNIT X45-388 (B/2)-CN816 FINAL UNIT FINAL UNIT AT UNIT AT UNIT X45-388(B/2) X45-388(B/2) X53-441(A/2) X53-441(A/2) -CN815 -J800 CN112 R147 100k R146 100k CG590 C132 C133 RXANT C368 C273 C375 C330 0.01u 0.1u...
  • Page 32 TS-990S SCHEMATIC DIAGRAM X53-452X-XX R332 R349 R350 0-11 TS-990S − − − 2-71 TS-990S 1.24V − L380 LATCH IC IC388 TC74VHC373FT IC386 CONTROL UNIT(X53-452X-XX) WM8782ASEDSRV MCLK96K 1 MCLK R517 SCP_A8 R512 R526 SCP_A15 CN450 SDTI1 R368 2 DoUT R520 SCP_AD0...
  • Page 33 TS-990S PC BOARD CONTROL UNIT (X53-452X-XX) Component side view (J79-0354-19) CN431 CN429 R532 CN446 CN447 CN443 CN430 R488 CN422 CN421 C468 R511 R451 R417 CN382 CN442 R531 R495 C467 R487 CP52 CP51 CP50 R450 R509 R510 C499 CN70 C514 R493...
  • Page 34 TS-990S PC BOARD CONTROL UNIT (X53-452X-XX) Foil side view (J79-0354-19) CN383 CN400 CP56 C158 R225 C160 CN384 CN397 R227 C295 CP386 R534 IC388 C181 C490 C482 C481 C510 R425 CP58 C480 C133 C402 L382 R192 R195 C479 CP57 R218 CN100...
  • Page 35 TS-990S PC BOARD DSP UNIT (X53-4530-00) Component side view (J79-0355-29) CP57 CP56 CN50 CN662 CN666 R896 C854 R200 CN667 C838 C831 C208 R215 R249 R266 R786 R999 IC51 IC52 R265 C954 IC669 CP61 R954 C210 R264 R263 R210 C905 C796...
  • Page 36 TS-990S PC BOARD DSP UNIT (X53-4530-00) Foil side view (J79-0355-29) Pattern cut C338 C335 C357 R606 C761 R607 R604 C765 D656 R729 R605 R760 R617 R602 R730 C310 R603 C695 R761 R601 R755 R600 C757 R302 C356 C753 C715 C716...
  • Page 37 TS-990S SCHEMATIC DIAGRAM DSP UNIT(X53-4530-00) R 1 3 R650 R954 CN662 C N 1 13.89V 1.2V SWITCHING MSCPI REGULATOR 1 4 A F 14AF 4.93V 2.43V 2.43V 3.29V L653 13.87V 1.23V 2.43V G N D R293 33SD L201 R226 4.7k...
  • Page 38 TS-990S SCHEMATIC DIAGRAM ACCESSORY UNIT ACCESSORY UNIT X42-343 (H/10) X42-343 (G/10) RIT ENCODER SUB ENCODER MAIN ENCODER DISPLAY UNIT X54-385 (B/6)-CN302 -CN608 -CN607 DISPLAY UNIT(X54-3850-00)(E/6 AF/RF) MAF/MRF,SAF/SRF CN503 VSAF VSAF VSRF VSRF VR506 VR507 R31-0687-05 R31-0687-05 VMAF VMAF VMRF VMRF 4.99V...
  • Page 39 TS-990S PC BOARD DISPLAY UNIT (X54-3850-00) (A/6:MAIN PANEL) Component side view (J79-0356-29) Ref. No. Address Ref. No. Address R116 CN113 CN116 C216 C215 C214 C213 R111 CN115 C226 CN117 R118 R120 R128 R121 R131 CN89 R122 R115 R124 R126 R133...
  • Page 40 TS-990S PC BOARD DISPLAY UNIT (X54-3850-00) (A/6:MAIN PANEL) Foil side view (J79-0356-29) CN141 CN109 CN114 CN112 R153 Ref. No. Address CN119 C124 CN147 C125 CN145 CN149 C126 CN143 CN151 C127 CN127 R139 C128 CN144 CN152 CN146 CN150 CN148 KEYO7 KEYO6...
  • Page 41 TS-990S PC BOARD DISPLAY UNIT (X54-3850-00) (B/6:MAIN LCD BACK, C/6:F1-F7 KEY, D/6:VOLUME, E/6:AR/RF, F/6:SUB LCD) Component side view (J79-0356-29) Ref. No. Address S511 S504 S512 S513 D501 D502 D504 D503 D502 D501 R504 R503 R502 R501 D503 S502 S510 S508...
  • Page 42 TS-990S PC BOARD DISPLAY UNIT (X54-3850-00) (B/6:MAIN LCD BACK, C/6:F1-F7 KEY, D/6:VOLUME, E/6:AR/RF, F/6:SUB LCD) Foil side view (J79-0356-29) CN302 CN303 Ref. No. Address CN465 LEDDIM D301 LMONI CN367 LFBK LPROC LVOX KEYO0 CN318 KEYO1 CN322 KEYO2 D302 KEYO3 CN368...
  • Page 43 TS-990S SCHEMATIC DIAGRAM RX UNIT(X55-313X-XX)(B/2 : BFF) BPFI BPFO CN501 C501 C680 CN534 0.1u 0.1u K506 C688 K512 C689 0.1u 0.1u C561 0.01u L540 L526 BPF(1.8M/3.5M/7M/14M/21M) SELECT:0.0V OTHER BPF SELECT:7.6V D506 MC2858-T111 NRLY C532 Q505 SURGE C639 RT5N234C-T112 TC502 ABSORPTION BPF SELECT:6.1V...
  • Page 44 TS-990S SCHEMATIC DIAGRAM X55-313X-XX R283 R284 ACCESSORY UNIT PLL(MAIN) UNIT 0-00 TS-990S X42-343 (A/10)-CN2 X50-322-CN22 2-71 TS-990S RX UNIT(X55-313X-XX)(A/2:RX) CN109 CN89 R:13.86V R:13.81V SC08M T:13.93V T:0.0V RX14 0.5A MRXC 2SB1188(Q,R) SWITCHING R:13.14V T:13.91V ✽R283 ✽R284 NORM CN60 CN50 2.2k R:0.0V T:13.92V...
  • Page 45 TS-990S PC BOARD RX UNIT (X55-313X-XX)(A/2) Component side view (J79-0349-29) Ref. No. Address Ref. No. Address C273 C271 C121 R184 C123 R160 C220 C280 R117 C281 C167 C265 C171 C388 C272 C162 C283 L109 R181 C198 C137 C138 C214 C140...
  • Page 46 TS-990S PC BOARD RX UNIT (X55-313X-XX) (A/2) Foil side view (J79-0349-29) Ref. No. Address Ref. No. Address IC13 C111 C170 R168 R162 C186 R186 C205 R113 R171 C215 C402 R121 C300 C218 C292 C226 R231 C362 C359 R234 C307 R310...
  • Page 47 TS-990S SCHEMATIC DIAGRAM TX-RX UNIT(X57-827X-XX)(B/2 : NB) 6.39V R923 L888 C913 R924 7.12V 3.67V 6.89V L885 L887 Q893 2SC4226-A(R24) DETECTION BUFFER AMPLIFIER H:0.01V 2.92V 7.11V 6.75V Q890 L:7.36V H:0.67V D881 R896 R906 2SC4226-A(R24) L:0V 7.42V C919 CN920 R914 R918 0.63V...
  • Page 48 TS-990S SCHEMATIC DIAGRAM X57-827X-XX L206 L207 R991 R992 C215 C216 ACCESSORY UNIT ACCESSORY UNIT 0-00 TS-990S − − − − − X42-343 (A/10)-CN3 X42-343 (A/10)-CN4 2-71 TS-990S L34-4940-05 L34-4940-05 − TX-RX UNIT(X57-827X-XX)(A/2) CN350 CN450 R:13.88V R:13.82V T:13.90V SWITCHING T:0.24V Q951...
  • Page 49 TS-990S PC BOARD TX-RX UNIT (X57-827X-XX) (A/2) Component side view (J79-0350-29) Ref. No. Address Ref. No. Address Ref. No. Address D103 D501 Q212 D104 D502 Q213 C990 C746 R746 R860 C526 R737 C744 R438 C831 R504 R500 D496 R782 C749...
  • Page 50 TS-990S PC BOARD TX-RX UNIT (X57-827X-XX) (A/2) Foil side view (J79-0350-29) Ref. No. Address Ref. No. Address C747 R749 L712 C724 IC51 9Ｎ Q963 R748 R719 R502 R505 Q710 C745 L709 IC52 8Ｎ Q964 C521 R866 IC53 Q975 C159 C437...

  • Page 51: Block Diagram

    TS-990S BLOCK DIAGRAM RX UNIT (RX) MAIN RX BPF X55-313 A/2 2SK1824-A MAIN RX NOISE BLANKER 522k-1.705MHz -12dB LSCR523EBFS8 (-20dB) MIBK Q21,24 Q28,3 0 30k-522kHz 2SC4725 2SC5551AF 2SC4226-A 2SC4226-A 2SC4226-A x2 2SC4226-A 2SC4226-A RB706F-40 MNBL NB POST AMP NB BUFFER...

  • Page 52: Specifications

    SPECIFICATIONS General Receiver 160 m band 1.8~2.0MHz (K type)/ 1.81~2.0MHz (E type) Main Sub *2 Sub *3 Circuit type Double Double Triple 80 m band 3.5~4.0MHz (K type)/ 3.5~3.8MHz (E type) superheterodyne superheterodyne superheterodyne 60 m band *4 5.1675MHz, 5.25~5.45MHz (K type)/ 5.25~5.45MHz (E type) 40 m band 7.0~7.3MHz (K type)/ 7.0~7.2MHz (E type) Intermediate frequency...
  • Page 53 TS-990S MEMO 3 53...
  • Page 54 TS-990S...

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