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Alignment

 

 VR1002 for S-l deflection.

(4) S-Meter Full-Scale

 Inject 100 

 at 14.200 MHz to the antenna

 and tune for peak on the 

 

 Tl001 and Tl002 for 

 

age on the 

 

 the 

 level as

necessary).

(6) SSB 

 Threshold

 

 

 for 

 

 

 on the 

(5) Noise Blanker

With the 

 tuned to 14.200 MHz, press

the 

NB 

Inject 40 

 at 14.200 MHz to the antenna

 and connect the DC Voltmeter to

TP1003.

0 In the USB mode, with no 

 at the 

tenna 

 set the SQL control to the 

o’clock Position, and 

 

 so that

the 

 just 

(7) Beep Level

0 Set 

 to the 

 position.

T2004

   ,

- T P 2 0 0 1

- T C 2 7 0 1
- T P 2 0 0 5

TP1003
Tl002
Tl001
Tl007

 

VR1002

Tl003

Tl013
Tl014

 

Tl006

VR1004

 

Tl019

4-3

 

 Supplement

Summary of Contents for FRG-100

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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