FT2000.pdf

《FT2000.pdf》由会员分享，可在线阅读，更多相关《FT2000.pdf（206页珍藏版）》请在收音机爱好者资料库上搜索。

1、Introduction This manual provides technical information necessary for servicing the FT-2000 HF/50 MHz Transceiver. Servicing this equipment requires expertise in handling surface-mount chip components. Attempts by non-qual- ified persons to service this equipment may result in per- manent damage not

2、 covered by the warranty, and may be illegal in some countries. Two PCB layout diagrams are provided for each double- sided circuit board in the Transceiver. Each side of is re- ferred to by the type of the majority of components in- stalled on that side (“leaded” or “chip-only”). In most cases one

3、side has only chip components, and the other has either a mixture of both chip and leaded components (trimmers, coils, electrolytic capacitors, ICs, etc.), or lead- ed components only. While we believe the technical information in this man- ual to be correct, VERTEX STANDARD assumes no lia- bility f

4、or damage that may occur as a result of typograph- ical or other errors that may be present. Your coopera- tion in pointing out any inconsistencies in the technical information would be appreciated. 2006 VERTEX STANDARD CO., LTD.EH025H90A Technical Supplement HF/50 MHz TRANSCEIVER FT-2000 Contents S

5、pecifications Exploded View Triple-conversion superheterodyne Sub (VFO-B); Double-conversion superheterodyne Intermediate Frequencies:Main (VFO-A); 69.450 MHz/450 kHz/30 kHz (24 kHz for AM/FM), Sub (VFO-B); 40.455 MHz/455 kHz Sensitivity (RF AMP 2 “ON”):SSB (2.4 kHz, 10 dB S+N/N) 6 V (0.1 - 1.8 MHz)

6、 0.2 V (1.8 - 30 MHz) 0.125 V (50 - 54 MHz) AM (6 kHz, 10 dB S+N/N, 30 % modulation 400 Hz) 3.2 V (0.1 - 1.8 MHz) 2 V (1.8 - 30 MHz) 1 V (50 - 54 MHz) FM (BW: 15 kHz, 12 dB SINAD) 0.5 V (28 - 30 MHz) 0.35 V (50 - 54 MHz) There is no specification in frequency ranges not listed. Squelch Sensitivity:S

7、SB/CW/AM (RF AMP 2 “ON”)2 V (0.1 - 30 MHz) 2 V (50 - 54 MHz) FM 1 V (28 - 30 MHz) 1 V (50 - 54 MHz) There is no specification in frequency ranges not listed. Selectivity (6/60 dB):Main (VFO-A) Mode6 dB 60 dB CW/RTTY/PKT0.5 kHz or better 750 Hz or less SSB2.4 kHz or better 3.6 kHz or less AM6 kHz or

8、better 15 kHz or less FM15 kHz or better 25 kHz or less (WIDTH: Center, VRF: OFF) Sub (VFO-B) Mode6 dB 60 dB CW/RTTY/PKT1.1 kHz or better 3.0 kHz or less SSB2.2 kHz or better 4.5 kHz or less AM6 kHz or better 25 kHz or less FM12 kHz or better 30 kHz or less Image Rejection:70 dB or better (160 - 10m

9、 Amateur bands) 60 dB or better (6m Amateur band) Maximum Audio Output:2.5 W into 4 Ohms with 10% THD Audio Output Impedance:4 to 8 Ohms (4 Ohms: nominal) Conducted Radiation:Less than 4000 W Specifications are subject to change, in the interest of technical improvement, without notice or obligation

10、, and are guaranteed only within the amateur bands. Specifications SPECIFICATIONS-2 Provided by? YAESU museum? ? Downloaded by? RadioAmateur.EU Specifications Note SPECIFICATIONS-3 Exploded View-1 Exploded View Case ASSY CP8644001 TOP CASE ASSY R4115020A (X2 pcs) HANDLE END R3084747 HANDLE (CE) R308

11、4746 HANDLE R0115070A HANDLE SHAFT S4000047 (X2 pcs) CASE LEG RA0831500 SHIELD CASE COVER CS1895001 BOTTOM CASE ASSY RA0719500 (X2 pcs) LEG RA072470A (X2 pcs) LEG RA072460A (X2 pcs) LEG Non-designated parts are available only as part of a designated assembly. ? ? ? ? ? ? REF. VXSTD P/NDescriptionQty

12、. ?U31408007 OVAL HEAD SCREW M4X8B9 ?U24305007 BIND HEAD TAPTITE-B M3X5B4 ?U31410020 OVAL HEAD SCREW M4X10SUS2 ?U31306007 OVAL HEAD SCREW M3X6B7 ?U24425007 BIND HEAD TAPTITE-B M4X25B2 ?U70005002 PLAIN WASHER FW5NI2 ?U24410007 BIND HEAD TAPTITE-B M4X10B2 ?U24306002 BIND HEAD TAPTITE-B M3X6NI15 ?U3430

13、8001 FLAT HEAD TAPTITE-B M3X84 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? S4000047 (X2 pcs) CASE LEG RA0734000 (X2 pcs) PORON SHEET Exploded View-2 Exploded View Panel ASSY (1/2) RA0828600 ROTARY KNOB RA0828700 ROTARY KNOB RA0828300 VOLUME KNOB RA0828400 (X3 pc

14、s) VOLUME KNOB RA0828500 (X3 pcs) VOLUME KNOB RA0828800 KNOB MAIN ASSY RA0829000 RUBBER RING RA0833200 KNOB SKIRT RA0828200 (X7 pcs) VOLUME KNOB RA0828000 ROTARY KNOB RA0828100 (X7 pcs) VOLUME KNOB RA085250A HOLDER RA082910A SUB KNOB ASSY RA0829300 RUBBER RING(SUB) U9900211 WAVE WASHER Non-designate

15、d parts are available only as part of a designated assembly. REF. VXSTD P/NDescriptionQty. ?U24205001 BIND HEAD TAPTITE-B M2.6X51 ?U24214001 BIND HEAD TAPTITE-B M2.6X142 ? ? ? Exploded View-3 Exploded View Panel ASSY (2/2) RA082640A FRONT PANEL RA0829400 WINDOW RA085260A SPONGE RUBBER RA088190A SPON

16、GE RUBBER RA084380A KNOB ASSY RA0826900 PUSH KNOB (FUNC) RA082670A PUSH KNOB (NB) RA0826800 PUSH KNOB (BKIN) RA082700A PUSH KNOB RA0827100 PUSH KNOB RA0843700 KNOB ASSY RA0832100 PUSH KNOB RA0843600 KNOB ASSY RA0827400 PUSH KNOB RA0827500 PUSH KNOB RA0827600 PUSH KNOB RA0827700 PUSH KNOB RA0827800 P

17、USH KNOB RA0836300 LIGHT GUIDE RA085700A SPONGE RUBBER RA085690A SPONGE RUBBER SW-A Unit KEY Unit RA082790A PUSH KNOB RA088200A SPONGE RUBBER RA088190A SPONGE RUBBER Non-designated parts are available only as part of a designated assembly. REF. VXSTD P/NDescriptionQty. ?U24106001 BIND HEAD TAPTITE-B

18、M2X638 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? T9207298 WIRE ASSY T9207337 WIRE ASSY T9207337 WIRE ASSY T9207298 WIRE ASSY R7155600 (X6 pcs) HIMERON TAPE Provided by? YAESU museum? ? Downloaded by? RadioAmateur.EU Exploded View-4 Exploded View Panel Frame ASSY RA0

19、82960B PANEL FRAME RA0829500 REFLECTOR RA083690A KNOB GUIDE RA0837000 KNOB GUIDE (VRF) RA0837100 KNOB GUIDE (BKIN) R0134990A COIL SPRING Q7000570 VFD MODULE M0290075A METER MIC Unit JACK Unit BACK-LIGHT Unit VR-A Unit VR-B Unit Q9000709A ROTARY ENCODER Q9000833 ROTARY ENCODER Q9000833 ROTARY ENCODER

20、 Non-designated parts are available only as part of a designated assembly. REF. VXSTD P/NDescriptionQty. ?U24205001 BIND HEAD TAPTITE-B M2.6X515 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? U9900192 WAVE WASHER RA0744600 SLEEVE This washer are attached to VR. This nut are attached to VR. This washer are attached t

21、o ROTARY ENCODER.This nut are attached to ROTARY ENCODER. This nut are attached to VR. This washer are attached to VR. This nut are attached to VR. This washer are attached to VR. This nut are attached to VR. This washer are attached to VR. This metal fittings are attached to CONNECTOR. This washer

22、are attached to CONNECTOR. This nut are attached to CONNECTOR. This nut are attached to SWITCH. This washer are attached to SWITCH. RA0729400 WASHER Exploded View-5 Exploded View CHASSIS ASSY (1/4) RA082970A CHASSIS TUNER-MAIN Unit TUNER-CNTL Unit PA-A Unit ANT Unit RX-2 Unit SP ASSY PS ASSY DSP ASS

23、Y P1091246 CONNECTOR P1090984 (X3 pcs) CONNECTOR Non-designated parts are available only as part of a designated assembly. ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? SCP Unit (Option) ? ? ? ? ? ? ? ? ? ? ? ? REF

24、. VXSTD P/NDescriptionQty. ?U24306002 BIND HEAD TAPTITE-B M3X6NI42 ?U34308001 FLAT HEAD TAPTITE-B M3X84 ?U03308002 SEMS SCREW ASM3X8NI20 ?U44308002 PAN HEAD TAPTITE-B M3X8NI8 ?U03306002 SEMS SCREW ASM3X6NI4 ?U52415002 HEX HEAD BOLT M4X15NI1 ?U70005002 PLAIN WASHERFW5NI2 ?U72005002 TOOTHED LOCK WASHE

25、R OW5NI1 S5000274 (X6 pcs) SPACER T9207339 WIRE ASSY Exploded View-6 Exploded View DSP UNIT Q7000572 POWER SUPPLY Q7000573 (CE) POWER SUPPLY CHASSIS ASSY (2/4) PS ASSYDSP ASSY RA0831300 SHIELD CASE COVER RA0831200 SHIELD CASE RA0868800 MOTOR HOLDER RA083110A SHIELD CASE COVER RA0878100 (CE) SHIELD C

26、ASE COVER F-CONNECT Unit M2090046 FAN Non-designated parts are available only as part of a designated assembly. REF. VXSTD P/NDescriptionQty. ?U24306002 BIND HEAD TAPTITE-B M3X6NI12 ?U04330007 SEMS SCREW HSM3X30B4 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Non-designated parts are available only as part of a d

27、esignated assembly. REF. VXSTD P/NDescriptionQty. ?U24206002 BIND HEAD TAPTITE-B M2.6X6NI4 ?U03306002 SEMS SCREW ASM3X6NI4 ? ? ? ? ? ? ? ? RA0532400 (X2 pcs) GASKET R0120250 (X2 pcs) LEAF SPRING Exploded View-7 Exploded View TUNER-CNTL Unit CHASSIS ASSY (3/4) SP ASSYTUNER ASSY RA0859600 SPONGE RUBBE

28、R RA0853400 SP HOLDER S5000223 (X4 pcs) SPACER RA0831000 SHIELD CASE COVER RA083160A SHIELD CASE COVER M2090045 FAN M4090125 SPEAKER RA0887100 BLIND SHEET RA086350A (X2 pcs) SPONGE RUBBER Non-designated parts are available only as part of a designated assembly. REF. VXSTD P/NDescriptionQty. ?U043250

29、02 SEMS SCREW HSM3X25NI4 ?U03306002 SEMS SCREW ASM3X6NI4 ?U24306002 BIND HEAD TAPTITE-B M3X6NI4 Non-designated parts are available only as part of a designated assembly. REF. VXSTD P/NDescriptionQty. ?U30310002 FLAT HEAD SCREW M3X10NI4 ?U66300002 FLANGE NUT N3NI4 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

30、? ? S6000280 EDGE HOLDER RA0794800 GASKET Exploded View-8 Exploded View CHASSIS ASSY (4/4) RA082970A CHASSIS MAIN Unit VRF Unit BPF Unit DVS Unit LOCAL Unit CNTL Unit RA083090A (X2 pcs) SHIELD CASE COVER Non-designated parts are available only as part of a designated assembly. REF. VXSTD P/NDescript

31、ionQty. ?U24306002 BIND HEAD TAPTITE-B M3X6NI2 ?U03306002 SEMS SCREW ASM3X6NI4 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? T9207336 WIRE ASSY T9207336 WIRE ASSY T9207337 WIRE ASSY T9207115A WIRE ASSY T9207127A WIRE ASSY T9207338 WIRE ASSY BLOCK DIAGRAM-1 Block Diagram Pro

32、vided by? YAESU museum? ? Downloaded by? RadioAmateur.EU CONNECTION DIAGRAM-1 Connection Diagram Provided by? YAESU museum? ? Downloaded by? RadioAmateur.EU ALIGNMENT-1 Alignment Introduction and Precautions The following procedures cover adjustments that are not normally required once the transceiv

33、er has left the factory. However, If a problem occurs during normal operation due to component failure; realign- ment may be required after the faulty components have been replaced. We recommend that authorized Vertex Standard Technicians, who are experienced with the circuitry and fully equipped to

34、 repair and align our products, perform repairs. If a fault is suspected, contact the selling dealer for instructions regarding repair. Au- thorized Vertex Standard Technicians have the lat- est information to align all circuits and make com- plete performance checks to ensure compliance with factor

35、y specifications after repairs. Those who do undertake any of the following align- ments are cautioned and proceed at their own risk. Problems caused by unauthorized attempts at re- alignment are not covered by the warranty policy. Vertex Standard must reserve the right to change circuits and alignm

36、ent procedures in the interest of improved performance, without notifying owners. Under no circumstances should any alignment be attempted unless the normal functions and opera- tion of the transceiver are clearly understood, the cause of the malfunction has been clearly identified and all faulty co

37、mponents replaced. The need for realignment should be determined to be absolutely necessary. The following test equipment (and a thorough fa- miliarity with its correct use) is necessary for correct realignment. Most steps do not require all of the equipment listed. The interactions of some adjust-

38、ments may require that more complex adjustments be performed in a sequence. Do not attempt to per- form only a single step unless it is clearly isolated electrically from all other steps. Have all test equip- ment ready before beginning, and follow all of the steps in a section in the order they are

39、 presented. Required Test Equipment ? RF Signal Generator ? AF Signal Generator ? Spectrum Analyzer good to at least 1 GHz. ? Frequency Counter ? SINAD Meter ? RF Millivoltmeter ? Digital DC Voltmeter (high-Z, 1 M-Ohm/V) ? DC Voltmeter ? DC Ammeter (20 A) ? Ohmmeter ? DMU-2000 Data Management Unit ?

40、 50-Ohm Dummy Load (100 watts) ? 100-Ohm Dummy Load (100 watts) ? 150-Ohm Dummy Load (100 watts) ? In-Line Wattmeter (100 watts, 50-Ohm) ? Linear Detector ? RF Coupler ? 4-Ohm AF Dummy Load (3 watts) Alignment Preparation & Precautions A 50-ohm RF Dummy load and in-line wattmeter must be connected t

41、o the “ANT 1” jack in all proce- dures that call for transmission, except where speci- fied otherwise. Correct alignment is not possible with an antenna. After completing one step, read the following step to determine whether the same test equipment will be required. If not, remove the unneeded test

42、 equip- ment before proceeding. (except the dummy load and wattmeter). Correct alignment requires that the ambient temper- ature be maintained constant between 68 F 86 F (20 C 30 C). When the transceiver is brought into the shop from a hot or cold enviroment, it should be allowed time to come to roo

43、m temperature before alignment. Also, the test equipment must be thor- oughly warmed up before beginning. Whenever possible, alignments should be made with oscillator shields and circuit boards firmly affixed in place. Also, the test equipment must be thoroughly warmed up before beginning. Note:Sign

44、al levels in dB referred to in this proce- dure are based on 0 dB = 0.5 V (closed cir- cuit). ALIGNMENT-2 Alignment Analog Meter Adjustment ? Press and hold in the 1(1.8), 2(3.5), and 3(7) keys, while turning the radio on, to enter the alignment mode. ? Rotate the Main Tuning Dial knob to select the

45、 alignment parameter “A01 FSC.” ? Rotate the SUB(VFO-B) knob so that the Main S-meter deflects to full scale. ? Press and hold in the MENU button for 2 sec- onds to save the new setting and exit from the alignment mode. SHIFT/WIDTH Knob Zero (Center) Adjustment ? Set the SHIFT/WIDTH knobs to the 12-

46、oclock position. ? Set the operating mode to “USB.” ? Press and hold in the 1(1.8), 2(3.5), and 3(7) keys, while turning the radio on, to enter the alignment mode. ? Rotate the Main Tuning Dial knob to select the alignment parameter “A02 SFt.” ? Rotate the SUB(VFO-B) knob so that the IF SHIFT freque

47、ncy is set to “0.00” on the external display. The center point (0.00) is broad (17 points). Therefore, set the SUB(VFO-B) knob to the center of this broad range. ? Rotate the Main Tuning Dial knob to select the alignment parameter “A03 udt.” ? Rotate the SUB(VFO-B) knob so that the IF bandwidth is s

48、et to “2.4 kHz” on the external dis- play. The IF bandwidth (2.4 kHz) is broad (24 points). Therefore, set the SUB(VFO-B) knob to the center of this broad range. ? Press and hold in the MENU button for 2 sec- onds to save the new setting and exit from the alignment mode. VDD Meter Adjustment ? Conne

49、ct the DC voltmeter to pin 6 of J5402 on the PA-A Unit. ? Switch the external display to “SWR Monitor” page. ? Press and hold in the 1(1.8), 2(3.5), and 3(7) keys, while turning the radio on, to enter the alignment mode. ? Rotate the Main Tuning Dial knob to select the alignment parameter “A04 vdd.” ? Press the ENT key, then rotate the SUB(VFO- B) knob so that the VDD meter (Main S-meter) reading is the same as that on the DC voltmeter. ? Rotate the VRF knob so that the VDD meter (on the external display) reading is same as that on the DC voltmeter. ? Press and hold in the M