Standard Horizon HX290 Service Manual
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Standard Horizon HX290 Service Manual

Standard Horizon HX290 Service Manual

Vhf fm marine transceiver
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VHF FM Marine Transceiver
HX290
SERVICE MANUAL
EM045N90A
HX290 Service Manual
1

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Summary of Contents for Standard Horizon HX290

  • Page 1 VHF FM Marine Transceiver HX290 SERVICE MANUAL EM045N90A HX290 Service Manual...

  • Page 2: Specifications

    Measured in accordance with TIA/EIA-603. Important Note The HX290 was assembled using Pb (lead) free solder, based on the RoHS specification. Only lead-free solder (Alloy Composition: Sn-3.0Ag-0.5Cu) should be used for repairs performed on this appara- tus. The solder stated above utilizes the alloy composition required for compliance with the lead-free specification, and any solder with the above alloy composition may be used.

  • Page 3: Exploded View & Miscellaneous Parts

    PA-44B 120VAC Wall Charger (Type-A plug) AAG85X003 PA-44C 230VAC Wall Charger (Type-C plug) VXSTD P/N U24108020 BIND HEAD TAPTITE-B M2X8SUS AAH68X001 CD-52 Charger Cradle AAH97X001 CLIP-22 Belt Clip U44105001 PAN HEAD TAPTITE-B M2X5 U9900068 PAN HEAD TAPTITE-B M2X4NI#3 S6000418 HAND STRAP HX290 Service Manual...
  • Page 4 Note HX290 Service Manual...
  • Page 5 Block Diagram HX290 Service Manual...
  • Page 6 Note HX290 Service Manual...

  • Page 7: Circuit Description

    Q1033 antenna. (TC7S66FU), the audio volume VR1006 and the audio power amplifier Q1035 (TDA2822L) pin 7, providing up to 700 mW of audio power to the 16-ohm loudspeaker. HX290 Service Manual...

  • Page 8: Pll Frequency Synthesizer

    Meanwhile, the reference divider sections of Q1022 V supply line to enable the transmitter. (LV2105V) divides the 21.25 MHz crystal reference from the reference oscillator section of Q1022 (LV2105V), by 850 to produce the 25.0 kHz loops reference. HX290 Service Manual...

  • Page 9: Required Test Equipment

    Alignment The HX290 has been carefully aligned at the factory for Required Test Equipment the specified performance across the marine band. RF Signal Generator with calibrated output level at 200 MHz Realignment should therefore not be necessary except in Frequency Counter: >0.1 ppm accuracy at 200 MHz the event of a component failure.
  • Page 10 4.2 kHz ± 0.1 kHz. Release the PTT switch. Turn the transceiver off. Ω Inline RF Sampling AF Signal Dummy Load Wattmeter Coupler Generator Deviation Meter AF Signal Generator Frequency Counter Regulated VR1003 Power Supply VR1001 VR1004 VR1002 TX S HX290 Service Manual...

  • Page 11: After Alignment

    Install the HX290 Service Flag Controller Program to Connect the CT-111 (or CT-29 + CT-97) Clone Cable your computer. between the MIC/SP jack of the HX290 and the Serial Connect the CT-111 (or CT-29 + CT-97) Clone Cable Port of your computer.
  • Page 12 Note HX290 Service Manual...
  • Page 13 TX: 1.04 V BACKLIGHT "ON": 3.29 V RX: 3.00 V TX: 3.00 V RX: 1.47 V TX: 1.47 V BACKLIGHT "ON": 1.21 V BACKLIGHT "ON": 1.09 V BACKLIGHT "ON": 2.97 V RX: 1.79 V TX: 1.79 V HX290 Service Manual...
  • Page 14 MAIN Unit Note HX290 Service Manual...
  • Page 15 MAIN Unit Parts Layout (Side A) µPD78F0484GK TDA2822L LM2904PWR 2SC4617 (BR) DTC144EE (26) TC7S66FU (E9) RB715F (3D) (Q1028) (Q1035) (Q1014) (Q1039) (Q1005, 1020) (Q1033) (D1024) HX290 Service Manual...
  • Page 16 1021, 1024, 1029, 1010, 1031, 2SC4915 (QY) 3SK318 (YB) 1034, 1038) 1037) (Q1025) (Q1023) 2SC5006 (24) (Q1004, 1006) 2SC5226 (R22) (Q1018) R1EX24008ATAS0I LM2902PWR 2SB1132 (BA) RQA0011DNS TAR5S33U DAN235E (Q1019) (Q1030) (Q1036) (Q1012) (Q1002) (D1016, 1018) NJM12902V TAR5S50U (Q1027) (Q1001) HX290 Service Manual...

  • Page 17: Main Unit

    GRM155B11H102KA01D K22178809 C 1074 CHIP CAP. 15pF GRM1552C1H150JZ01D K22178216 C 1075 CHIP CAP. 0.22uF GRM155B31A224KE18D K22108808 C 1076 CHIP TA.CAP. 10uF TEESVA1C106M8R K78120077 C 1077 CHIP CAP. 10pF GRM1552C1H100BZ01D K22178297 C 1079 CHIP CAP. 0.001uF GRM155B11H102KA01D K22178809 HX290 Service Manual...
  • Page 18 K22080802 C 1154 CHIP CAP. 0.001uF GRM155B11H102KA01D K22178809 C 1155 CHIP CAP. 0.47uF 6.3V GRM155B30J474KE18D K22088802 C 1156 CHIP CAP. 0.01uF GRM155B11E103KA01D K22148834 C 1157 CHIP CAP. 0.01uF GRM155B11E103KA01D K22148834 C 1158 CHIP CAP. 6.3V GRM155B30J105KE18D K22088803 HX290 Service Manual...
  • Page 19 G2071096 D 1013 19-213/S2C-AN1P2B/3T G2071096 D 1014 19-213/S2C-AN1P2B/3T G2071096 D 1015 19-213/S2C-AN1P2B/3T G2071096 D 1016 DIODE DAN235E TL G2070612 D 1017 DIODE HVC306B TRU-E G2070918 D 1018 DIODE DAN235E TL G2070612 D 1019 DIODE 1SS400 TE61 G2070634 HX290 Service Manual...
  • Page 20 G3070075 Q 1022 LV2105V-TLM G1093191 Q 1023 3SK318 TL G4803188 Q 1024 TRANSISTOR DTC144EE TL G3070075 Q 1025 TRANSISTOR 2SC4915-O(TE85L.F) G3349158O Q 1026 NJM2591V-TE1 G1094024 Q 1027 NJM12902V-TE1 G1093592 Q 1028 UPD78F0484GK(S)-GAK-AX : Please contact Vertex Standard HX290 Service Manual...
  • Page 21 R 1058 CHIP RES. 1/16W RMC1/16SK103FTH J24189489 R 1059 CHIP RES. 1.8k 1/16W RMC1/16SK182FTH J24189516 R 1060 CHIP RES. 1/16W RMC1/16SK333FTH J24189494 R 1061 CHIP RES. 4.7k 1/16W RMC1/16SK472FTH J24189488 R 1062 CHIP RES. 1/16W RMC1/16SK221FTH J24189508 HX290 Service Manual...
  • Page 22 R 1136 CHIP RES. 1/16W RMC1/16S JPTH J24189070 R 1137 CHIP RES. 1/16W RMC1/16SK105FTH J24189541 R 1138 CHIP RES. 1/16W RMC1/16SK101FTH J24189504 R 1139 CHIP RES. 180k 1/16W RMC1/16SK184FTH J24189532 R 1140 CHIP RES. 470k 1/16W RMC1/16SK474FTH J24189537 HX290 Service Manual...
  • Page 23 XTAL NX6035SA 21.25MHz 21.25MHZ H0103391 X 1002 XTAL SMD-49TA 9.8304MHz 9.8304MHZ H0103393 XF1001 XTAL FILTER 21.700MHZ H1102395 XF1002 XTAL FILTER 21.700MHZ H1102395 INTER CONNECTOR (LCD) RA1081000 LIGHT GUIDE (LCD) RA107890A REFLECTOR SHEET RA1089600 MIC HOLDER RUBBER (HX290) RA1312800 HX290 Service Manual...
  • Page 24 MAIN Unit Note HX290 Service Manual...

  • Page 25: Charger Cradle

    Πcharging terminals from the outside of the case. ΠRA1236500 (x 2 pcs) SHEET (HEAT6X6) RA1294200 BOTTOM PLATE (CD-52) ΠΠRef. VXSTD P/N Description Qty. ΠU24208020 BIND HEAD TAPTITE-P 2.6X8SUS Circuit Diagram HX290 Service Manual...

  • Page 26: Parts Layout

    CD-52 Charger Cradle Parts Layout (Side A) (Side B) NJW4100V BA09CC0FP 2SB1201S (Q2003) (Q2001) (Q2002) HX290 Service Manual...
  • Page 27 RGC1/16C332DTP J24189415 R 2019 CHIP RES. 1/16W RMC1/16 103JATP J24185103 R 2020 CHIP RES. 1/16W RMC1/16 103JATP J24185103 R 2021 CHIP RES. 1/16W RMC1/16 000JATP J24185000 R 2022 CHIP RES. 1/16W RMC1/16 391JATP J24185391 TERMINAL (CHRG) RA0769800 HX290 Service Manual...
  • Page 28 Note HX290 Service Manual...
  • Page 29 1 2 3 HX290 Main Unit Circuit Diagram 5 6 7...
  • Page 30 1 2 3 HX290 Main Unit Circuit Diagram 5 6 7...
  • Page 31 1 2 3 HX290 Main Unit Circuit Diagram 5 6 7...
  • Page 32 1 2 3 HX290 Main Unit Circuit Diagram 5 6 7...
  • Page 33 1 2 3 HX290 Main Unit Circuit Diagram 5 6 7...
  • Page 34 1 2 3 HX290 Main Unit Circuit Diagram 5 6 7...
  • Page 35 1 2 3 HX290 Main Unit Circuit Diagram 5 6 7...
  • Page 36 1 2 3 HX290 Main Unit Circuit Diagram 5 6 7...
  • Page 37 HX290 Main Unit (Side “A”) Parts Layout...
  • Page 38 HX290 Main Unit (Side “A”) Parts Layout...
  • Page 39 HX290 Main Unit (Side “B”) Parts Layout...
  • Page 40 HX290 Main Unit (Side “B”) Parts Layout...
  • Page 41 Note HX290 Service Manual...
  • Page 42 2011 VERTEX STANDARD CO., LTD. All rights reserved. Marine Division of VERTEX STANDARD No portion of this manual US Headquarters may be reproduced 10900 Walker Street, Cypress, CA 90630, U.S.A. without the permission of VERTEX STANDARD CO., LTD. HX290 Service Manual...

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