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FRG-100

Technical Supplement

YAESU MUSEN CO., LTD.

Box

1500,

Tokyo, Japan

YAESU U.S.A.

17210

Edwards Rd., Cerritos, California 90701, U.S.A.

YAESU EUROPE B.

Snipweg

The Netherlands

Содержание FRG-100

Страница 1: ...FRG 100 Technical Supplement YAESU MUSEN CO LTD C P 0 Box 1500 Tokyo Japan YAESU U S A 17210 Edwards Rd Cerritos California 90701 U S A YAESU EUROPE B Vi Snipweg 3 1118AA Schipol The Netherlands...

Страница 2: ...Reference Oscillator 4 2 2nd Local Oscillator 4 2 v c o 4 2 vco 1 2 4 2 vco 3 4 2 vco 4 4 2 vco 5 4 2 Main Unit 4 2 2nd Local Amplifier 4 2 IF Interstage Transformer 4 2 IFGain 4 2 S Meter Full Scale...

Страница 3: ...unt components Attempts by non qualified persons to Service this equipment may result in permanent dam age not covered by the warranty While we believe the technical information in this manual to be c...

Страница 4: ...s Ceramic Capacifors i_ f Tantalum Capacifors Negati Unit 1 mm Type L W T Resistors INDICATED LETTERS 1 2 3 4 557s 90 0 Type RMC l lOW 1 16W Marking 100 222 473 10 s unit 1 s unit Multiplier 0 0 10 1...

Страница 5: ...a lot of Chip replacements Otherwise it is usually possible to remove and replace Chip compo nents with only a tapered temperature con trolled soldering iron a set of tweezers and braided topper sold...

Страница 6: ...one side where the chip is to be installed Avoid too much solder which may Cause bridging shorting to other Parts I 0 Hold the chip with tweezers in the desired Position and apply the soldering iron w...

Страница 7: ...ired remember to reconnect before at tathing the top cover again This exposes the component side of the Main Unit 0 To remove the main unit remove the 8 screws affixing the unit and the screws affixin...

Страница 8: ...Panel to the display unit Chassis Figure 3 0 0 0 0 0 Remove the wiring connectors from the SQL and VOL controls on the rear of the Display Unit 0 Gently press in the plastic catch which mates with the...

Страница 9: ...type CR2032 Yaesu Part No Q900564 or equivalent Removing Lithium Ce11 Slide cell inward then pry up to eject Inserting Replacement Battery Pilot Lamp TP1005 TP1006 Battery replacement The lithium back...

Страница 10: ...d Reset D Turn the receiver off then disconnect the DC power Source Turn the BACK UP switch on the rear Panel to OFF Reconnect the DC power Source then turn the receiver back on BACK UP ON OFF BACK Ul...

Страница 11: ...ystal X2002 and amplified by QlOO8 2SC2620 to produce the 455 kHz 2nd IE When FM Operation is selected a por tion of this 455 kHz product of the 2nd mixer is buff er amplified by QlO38 and delivered t...

Страница 12: ...ected VCO is buffered by Q2045 2SK192 and Q2011 2SC535 before delivery to mixer Q2012 uIIX1037H This sig na1 is then mixed with the DDS Signal and low pass filtered buffered by Q2021 2SK192 and amplif...

Страница 13: ...CPU by encoder Q2005 M14558CP and switch driver 42040 M54564P Whenever either VCO Loop be Comes unlocked and unleck line from pin 8 of Q2030 controlled by Q2027 BAlA4P sig nals the CPU which then mute...

Страница 14: ...ction and Operation of the receiver are clearly un derstood the Cause of the malfunction has been clearly pinpointed and any faulty com ponents replaced and the need for realign ment determined to be...

Страница 15: ...age as shown below Frequency MHz 0 050 Volts DC 0 9 1 4 vco3 0 Tune the receiver to 14 499 MHz in USB mode 0 Adjust L2005 for 7 0 V ti l V 0 Tune the receiver to 8 00 MHz and tonfirm 1 1 to 1 6 V on t...

Страница 16: ...press the NB button Inject 40 dBp at 14 200 MHz to the antenna jack and connect the DC Voltmeter to TP1003 0 In the USB mode with no Signal at the an tenna jack set the SQL control to the ll o clock P...

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