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Sommerkamp TS-680EDX, Instruction Manual

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Sommerkamp TS-680EDX Instruction Manual Download Page 17

BLOCK  DIAGRAM

T X /R X

TRANSMUTE!

RECEIVER

POWER  SW

POWERSW

POWER  SW.

Tft-ÎQ

T R —9

T R - 8

10.695  MHz

MIXER

T X . RF. AMP

T X .BUFFER

TX. DRIVER

TX.  FINAL

LINEAR

ANT

OSCILLATOR

---

m-\

RF.  AMP

RF.  AMP

RF.  POWER

ANT. FILTER

TR —11

TR-12

T R —15

TR —16

TR -   17

AMP  TR -18

AMP

FILTER

POWER 

INPUT 

1 3 8  V

1

FINAL  TR 

PROTECTOR

S

W

R

Summary of Contents for TS-680EDX

Page 1: ...CITIZENS BAND TRANSCEIVER INSTRUCTION M ANUAL M O D E L T S B 8 0 E X...

Page 2: ...C oliector m odulation AM 80 Channels on 27 M H z 25 W atts at 13 8V DC 8 K Hz max 50 52 ohms _ Double conversion superheterodyne P LL controiled ljuV or b e tte r fo r lOOmW output 10 dB signal to no...

Page 3: ...TALK BUTTON ICROPHONE TRANSMITTING LIGHT PUSH CALL BUTTON DELTA TUNE 4 POWER LOW CH Hl CH SW DIGITAL READOUT PROTECTION LAMP Underneath PACKING LIST Beside th is manua the carton shall contain the fo...

Page 4: ...ve you exceptional r ception qu a lity in th is fin e piece of equipment In addition the above com bination of the la te st technology provides you w ith a s e n s itiv ity and unwanted signal rejecti...

Page 5: ...ri s RECEIVE TRANSMIT SWITCHING The re c e iv e tra n s m it sw itching is done by a single pole single throw sw itch in the m icrophone and a com bination of NPN and PNP sw itching tra n sisto rs ME...

Page 6: ...ne and check the SWR of your antenna w ith the SW R M eter im m ediately by pulling the RF GAIN knob The SWR m ust be less than 1 to 2 Do th is w ith in 3 seconds because if the SWR is higher than 1 t...

Page 7: ...H O FF H IG H CH snap sw itch to the desired channel range and the channel dial w ill be lighted Turn the volum e control clockw ise to increase the audio sound Note that the volum e control knob is o...

Page 8: ...27 575 15 27 135 27 585 16 27 155 27 605 17 27 165 27 615 18 27 175 27 625 19 27 185 27 635 20 27 205 27 655 C H LOW CH MHz HIGH CH MHz 21 27 215 27 665 22 27 225 27 675 23 27 255 27 705 24 27 235 27...

Page 9: ...ceive switching Case ground Always operate the transceiver w ith the microphone plug inserted in the microphone jack or w ith the follow ing external connections 1 Microphone with VOX O 5 2 3 O 7 f J1...

Page 10: ...UIT b IS RD PARTS LAYOUT S T NI 114 v I H 0 r 11 i r 1 _ j1 J f t o l g 1 Las j O V i fil L p 1 3jg iLV L ___ L o p lw y 4L U f ip p p 1 Si 1 fj gl vi a e N TU 3 m L _ f e s s 4 L 1 L A S G zn L V S S...

Page 11: ..._____________________________________________________________ _____ ___________ I I 11 wt 1 2 6 of isr s I 7 I 2SU56 j 7X8 1 3SCI096eyiSD23S Q 7 Kt 16 2iCUS hafh l CIS4 f ft j 13 1060 1 0 wwh 1 ms 1 c...

Page 12: ...PRINTED CIRCUIT BuARD PARTS LAYOUT...

Page 13: ...t _ i 5 l OT y La J 11 La Ju J S 1 1 1 o s y t 1 I J T l i i 3 b l s fs i 8 g _ 1 l s g T S i f l o t l M S i LajLaJ r r C H b D i 5 S i l T r V i I g TS u t I p C 3 f ilk 8 if l x Sg s a S r T O s S...

Page 14: ...4 lOK Rf35 2 207 0 C20S OI J1 W ff VC3 4MP II 7 6SP II 68 28 L w 152 47 C133 82 If Il 13 00 il CI27I20P C129 68P H h _CI25 J S60P R8t f W 10 I J cm 7 l ci53 I cm 7 4 j 4 T 2 Of T T T 1 C142 200 144 02...

Page 15: ......

Page 16: ...COMPLETE PARTS LAYOUT...

Page 17: ...SW POWERSW POWER SW Tft Q TR 9 T R 8 10 695 MHz MIXER TX RF AMP TX BUFFER TX DRIVER TX FINAL LINEAR ANT OSCILLATOR m RF AMP RF AMP RF POWER ANT FILTER TR 11 TR 12 TR 15 TR 16 TR 17 AMP TR 18 AMP FILT...

Page 18: ...P 112 Call S w itch Spring 484087 M P 307 Knob fo r S qu D e lta C ontrol 494199 M P 117 Knob fo r Channel S elector 484116 MP 17 Knob fo r V ol S w r C ontrol 474011 M P 118 Nut fo r Channel S elect...

Page 19: ...TR20 MRF MRF454 n 1 7 9 1 2 16 18 u 22 23 26 3 2 3 4 S ilico n Diode IS 2473 D 1 3 1 5 25 S ilico n Diode IN4002 D27 Varicap Diode IS 2689 D31 Varicap Diode IS 1658 D28 Zener Diode W Z 060 D17 29 Zen...

Page 20: ...Coil 010 907 L3 8 TX Final Choke Coil 005 901 L5 TX M atching Coil 145 903 L6 TX n M atching Coil 145 902 L7 Booster Input Coil 280 903 L9 Booster Base Choke Coil 005 903 14 Booster C ollector Choke C...

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