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Yaesu FT-2400H Technical Supplement

2-m, 50-watt mobile paging transceiver
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FT-2400H
TECHNICAL SUPPLEMENT
2-m, 50-Watt Mobile
Paging Transceiver
YAESU MUSEN CO.,
C.P.O. BOX 1500, TOKYO , JAPAN
YAESU U.S.A.
17210 Edwards Rd., Cerritos, California 90701,
YAESU EUROPE
3.
·
Snipweg
111 SAA Schiphol, The Netherlands
LTD.
U.S.A.
B.V.

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  • Page 1 FT-2400H TECHNICAL SUPPLEMENT 2-m, 50-Watt Mobile Paging Transceiver YAESU MUSEN CO., LTD. C.P.O. BOX 1500, TOKYO , JAPAN YAESU U.S.A. U.S.A. 17210 Edwards Rd., Cerritos, California 90701, YAESU EUROPE B.V. · Snipweg 111 SAA Schiphol, The Netherlands...

  • Page 3: Table Of Contents

    PARTS LIST · · · · · · · · · · · ·· · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · PAR TS LA Y O UT & CIR CUI T DIA GRAM ······ ··· ······ ············· 5 -1 0 Cut out the label at the right and place FT-2400H it behind the clear plastic window in . \lfil the spine of the manual binder.

  • Page 5: General Information

    CTCSS built-in as standard, and the FTS-17A With its compartmentalized one-piece die­ decoder unit can be installed to provide t�me cast chassis, the FT-2400H provides 3-step CTCSS squelched private channels and a paging user-selectable power output up to 50 watts bell feature to sound a paging alert tone when easily without forced cooling.

  • Page 6: Specifications

    SPECIFICATIONS General Receiver Frequency Range: 144 - 146 or 148 MHz, or Circuit Type: Double Conversion Superheterodyne 140 - 150 MHz Tx, 140 - 174 MHz Rx & & IFs: 21.4 MHz 455 kHz Channel Steps: 5, 10, 12.5, 15, 20, 25 50 kHz <...

  • Page 7: Circuit Descrip Ti O N

    CIRCUIT " D ESCRIPTION Receive Signal Path Squelch Control Incoming RF from the antenna jack is delivered The squelch circuit consists of noise amplifier to the Main Unit and passed through a lowpass Q1007 (2SC2712GR) and a highpass filter and filter and a 14 -wave antenna switching network squelch trigger within Q1008 on the Main Unit, and &...
  • Page 8 CIRCUIT DESCRIPTION Spurious Suppression Transmit Signal Path Generation of spurious products by the trans­ Speech input from the microphone is delivered mitter is minimized by t he fondamental carrier via the Mic (Jack) Unit and the Control Unit to the ·...
  • Page 9 CIRCUIT DESCRIPTION signals. This pulse train is converted to DC by Miscellaneous Circuits charge pump Q1026/Q1027 low­ (IMX3/IMZ2), & pass filtered, and then fed back to varactors D301 Power-On Sequencing Panel Lamps POWER and D302 (1 T363 2) on the VCO Unit. Pressing the switch on the front panel turns on Q2007...
  • Page 10 NOTES 2- 4...

  • Page 11: Packing

    PACKAGING C391000 3 Screw 00000008 Fu s e 15A(2pcsl R0516470 Bracket V0516590 Carton Box V1804540 Packing V1136350 Packing V6000024 Packing...

  • Page 13: Main - Ass Y Parts List

    MAIN-ASSV PARTS LIST YAESU P/N DESCR I PT I ON MFGR ' S DES I G . VALUE T O L . VERS. - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 14 NOTES...

  • Page 15: Exploded View

    EXPLODED VIEW SCREW LIST R3806750 R7136570 Cas e Top Description Him eron(2pcs) Ret No. YAESU P/N U43104001 TAPTITE SCREW M2X4 ® 043206001 TAPTITE SCREW M2.6x6 P1090352 PAN HEAD SCREW M3X6 U00306001 Connector R7139670 PAN HEAD SCREW ASM3X8NI U03308002 Reflector U20306001 BINDING HEAD SCREW M3X6 ®...

  • Page 17: Alignment

    However, if damage occurs and some parts icy. Also, Yaesu must reserve the right to change subsequently be replaced, realignment may be re­ circuits and alignment procedures in the interest of quired.
  • Page 18 ALIGNMENT the need for realignment determined to be abso­ Correct alignment requires that the ambient temperature be the same as that of the transceiver lutely necessary. and test equipment, and that this temperature be The following test equipment (and thorough held constant between 20 and 30 °C (68 - 86 °F).
  • Page 20 ALIGNMENT Receiver Receiver Alignment Points Set up the test equipment as shown below for receiver alignment. Receiver Alignment Setu p RF Signal Oscilloscope Generator oo 4 AF Millivoltmeter 1003 1 002 Regulated 13.6V PSU SINAO Meter Speaker or 8-ohm Distortion VR1001 lead resistor 3 Pin 7...
  • Page 21 BLOCK DIAGRAM ,----------;:;:: ;; z-------::;:: 4 ;;; z - ------ x R06���----------1 i 0 1 r-----------------------, --{£ZJ ""' I I rl-- :M�J*� Whli ,g�'�'' CE-um F3226 P�l'J'fo .iilf� NTER 2 11r:w ---mrrrn : I : I Q1010 Q1011 Q1012 Q1005 Q1004 Q1017 Q1009...
  • Page 23 VCO UNIT PARTS LIST Y A E S U P/N -------- DESCR I PT I ON MFGR'S DES I G . ------- VALUE T O L . VERS. ------ ---- VCO-UN I T CA0 5 1 30 0 1 P. C. B. W C O MP.
  • Page 24 VCO UNIT PARTS LIST YAESU P/N DESCR I PT I ON MFGR ' S DES I G . VALUE TOL. VERS. ------- ------------------ ------ ---- ------- R 0 3 1 0 J24 2 0 5 2 2 1 CH I P RES.
  • Page 25 VCO UNIT PARTS LAYOUT /CIRCUIT DIAGRAM F3152101A r-�-------------------------------------, RX/TX Q301 MllBR951L " " Obverse View of Mixed Component Side Obverse View of Solder Side COLLECTOR EMITTER "' BASE 2 EMITTER I "' � 'COLLECTOR � � COLLECTOR! Marked Surf a ce ?rked Surface.
  • Page 28 MAIN UNIT PARTS LIST YAESU P/N DESCR I PT I ON MFGR ' S DES I G . VALUE T O L . VERS. --- - - - - - - - - - - - - - - - - -...
  • Page 29 MAIN UNIT PARTS LIST YAESU P/N DESCR I PT I ON MFGR ' S DES I G . VALUE T O L . VERS. - - - - - - - - - - - - - - - - - -- - - - - -...
  • Page 30 MAIN UNIT PARTS LIST YAESU P/N DESCR I PTI O N MFGR ' S DES I G . VALUE T OL. VERS. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 31 ------ ----- ------ ----------- ------- ----- - - - - - - - - Q 1 027 G 3 0 7 0 0 6 0 TRANS I ST O R I MZ2 T 1 0 8 Q 1 028 G3327 1 47Y TRANS I ST O R 2SC 27 1 4YTE85R R 1 00 1...
  • Page 32 MAIN UNIT PARTS LIST YAESU P/N DESCR I PT I ON MFGR ' S DES I G . VALUE T O L . VERS. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 33 MAIN UNIT PARTS LIST Y AESU P/N D ESCR I PT I ON MFGR ' S DES I G. VALUE TOL. VERS. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 34 NOTES 4- 1 6...
  • Page 35 MAIN UNIT PARTS LAYOUT SOURCE � DRAIN Marked Sur f ace GATE OUTPUT Mar ked S u rface 2SC27 1 4Y (OY) 2SK302GR (TG) (01 004, 01 028) (01 002, 0 1 003} 2SC27 1 2GR (LG) S-AV24 0 1 007, 0 1 0 1 4 (01 009 ) 0 1 0 1 6 2SC2759-U2 (U22)
  • Page 37 MAIN UNIT PARTS LAYOUT BASE(Tr2) BASE COLLECTOR BASE "' BASE EMITTER """- · EMITTER coLLECTOR(Tr 2) � ' COLLECTOR � .. , EMITTER COLLECTOR Ma r ked Su rface Marked Surface. I M H 5 (H5) 2SC2538 ( 0 1 006, 0 1 02 1 ) IMX3 CIRCUIT D I AGRAM (01 0 1 0) IMX3 (X3)
  • Page 39 MAIN UNIT CIRCUIT DIAGRAM F3225000A DRAIN ---.._ L1004 LOl90166 ;:; c Marked Surface ::;� e�mre�r ��l OV/0.97V/ 3SK 1 3 1 (V1 2) u� 0 .36Vr.m.s. 5.05V/OV (0 1 001 ) OV/8.3V -8.5d8)J OV/1 .3V OV/0.5 1 V CATHODE(Di2) '...
  • Page 41 MIC UNIT PARTS LIST YAESU P/N D ESCR I PT I ON MFGR ' S DES I G . VALUE T O L . VERS. ---- -------- ---- ----- --------------- M I C - UN I T C A 0 5 1 0 0 0 1 P.
  • Page 42 NOTES 4-21...

  • Page 43: Circuit Diagram

    M IC U N IT PARTS LAYOUT /CI RCU IT DIAGRAM :::> _J I- <{ � > <{ :::> Q. Cl: "' J P 1 501 (.!) Obverse View of Chip Side Obverse View of Connector Side F3227102A r - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 J 1 50 1 P 1 090677 C 1 50 1...
  • Page 46 CNTL UNIT PA RTS LIST R E F Y A ESU P/N DESCR I PT I ON MFGR ' S DES I G . VALUE T OL. VERS. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 47 CNTL UNIT PARTS LIST TOL. VERS. MFGR ' S DES I G. VALUE R E F Y A ESU P/N DESCR I PT I ON ------- ----- ----- ---- - - - - - - -· - - - 1 / 1 6 W RMC l / 1 6 222JATP 2.
  • Page 48 CNTL UNIT PARTS LIST YAESU P/N DESCR I PT I ON MFGR ' S DES I G. VALUE T O L . VERS. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - �...
  • Page 49 CNTL UNIT PARTS LAYOUT Obverse View of Leaded Component Side COLLECTOR(Tr2) EMITTER(Tr , ) '>o..._ � 4 1 ' EMITTER(Tr2) � BASE(Tr2) + Vss Marked Su rface Marked Surface �o NJ M 2904 NJU720 1 U50 (J 1 ) I M D2 (D2) (02009) (02003, 0201 3 ) (02006)
  • Page 53 CNTL UNIT CIRCUIT DIAGRAM J1501 T9206083 F3227101 B -------------------------------------------------------------------- J2001 R2022 IOOK � :;� R2072 IOOK R2021 � R2023 � C2010 � 10< Q.001 R2025 Q2009-2 NJM2904M S20 1 1 NS090024 A / N 101( 6.8< DS2001 FT0-1 0262 <SP-2ffi Q2010 2SB1301-ZQ CENTER STOP a...
  • Page 55 INTERF ACE UNIT PARTS LIST YAESU P}N DESCRI PT I ON MFG!f' S DES I G . VALUE T O L . VERS. - - - - - - - - - - - - - - - - - - - -...
  • Page 56 INTERF ACE UNIT PARTS LIST YAESU P/N DESC R I PT I ON MFGR ' S DES I G . VALUE TOL. VERS. - - - - - - - - - - - - - - - - - - -...
  • Page 57 INTERFACE UNIT PARTS LIST YAESU P/N DESC R I PT I ON M F G R ' S DES I G . VALUE T O L . VERS. - - - - - - - - - - - - - - -...
  • Page 58 INTERFACE UNIT PARTS LISf Y A ESU P/N DESCR I PT I ON MFGR ' S DES I G . VALUE TOL. VERS. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 61 INTERFACE UNIT CIRCUIT DIAGRAM Component Notes: Unless otherwise noted, resistor values are in Marked S u rface ohms, 1;1 0-watt; capacitor values are in µF, 50-WV; {T)-marked capacitors are tantalum DTC 1 44EK (26) and inductor values are in Henries. F3226100 (0301 1 ) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 63 ID code plus those of six frequently-called stations or groups. Control is Alignment provided through the front panel of the transcei­ FT-2400H Operating Manual ver. See the for opera­ 0 Select 20-kHz tuning steps on the transceiver N: P ' tional details.
  • Page 64 INSTALLATION OF OPTIONS (FRC-6) Figure 3 VR 1 0 1 Figure 4 5- 2...

  • Page 65: Parts List

    FRC-6 PARTS LIST YAESU P/N DESCR I PT I ON MFGR ' S DES I G . VALUE T O L . - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 66 NOTES...

  • Page 67: Circuit Diagram

    FRC-6 PARTS LAYOUT/CIRCUIT DIAGRAM 6 . IRQ/CP F3228101A r � - - - - - - - - - - - - - - - - - - - - - - - - - - 1 0 . - - - 1 1 4 .
  • Page 69 INSTA LLATION OF OPTIONS (FTS-1 7 A) D The factory adjusts the output tone level (the FTS-17A CTCSS Encoder/Decoder small trimmer accessible through the FTS-17 A & Installation Alignment board) for the proper deviation, so it should The FT$-17A includes a decoder for 38 EIA require no further adjustment.
  • Page 70 INSTAL LATION OF OPTIONS (FTS-1 7 A ) Figure 6...

  • Page 71: Parts List

    FTS-1 7 A PARTS LIST YAESU P/N DESCR I PT I ON MFGR ' S DES I G . VALUE T O L . VERS. - - - - - - - - - - - - - - -...
  • Page 72 NOTES...
  • Page 73 FTS-1 7 A PARTS LAYOUT /CIRCUIT DIAGRAM F3220100 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - C 1 05 0.
  • Page 76 YA E SU Copyright © 1 9 9 1 No port i on of thi s manual Yaesu M osen C o . , Ltd . may be reproduced w i thout the perm i s s ion of All rights reserved.

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