Standard Horizon HX400 Service Manual Download Page 17 | Manualshive

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Parts Layout (Side A)

MAIN Unit (Lot. 43-)

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HX400 Service Manual

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Summary of Contents for HX400

Page 1: ...s one 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 leaded components only While we believe the information in this manual to be correct YAESU assumes no liability for damage that may occur as a result of typo graphical or other errors that may be present Your cooperation in pointing out any inc...

Page 2: ...oz 350 g w FNB 115LI or SBR 29LI Belt Clip Antenna Transmitter RF Power Output 5 W 1 W 7 4 V Modulation Type Variable Reactance Maximum Deviation 5 0 kHz Wide 2 5 kHz Narrow Spurious Emission 36 dBm 1 GHz 30 dBm 1 GHz Microphone Impedance 2 kΩ Receiver Circuit Type Double Conversion Superheterodyne Intermediate Frequencies 1st 67 65 MHz 2nd 450 kHz Adjacent Channel Selectivity 80 dB typical Wide 7...

Page 3: ...UBBER KNOB PTT RA1310000 RUBBER KNOB RA1193900 VOLUME KNOB G6090202 Lot 1 54 G6090238 Lot 55 LCD RA125280B SPONGE RUBBER WINDOW RA107890A LIGHT GUIDE LCD RA1089600 Lot 1 41 RA108960A Lot 42 45 RA108960B Lot 46 REFLECTOR SHEET RA1081000 INTERCONNECTOR LCD RA1079400 RING NUT VOL RA1194200 RUBBER CAP MIC RA057790A KNOB SCREW SP MIC RA1238000 SHEET HEAT 6X5 t0 5 RA1222500 MIC HOLDER RUBBER L NOTE The ...

Page 4: ...Block Diagram HX400 Service Manual Block Diagram ...

Page 5: ...ARD HORIZON service technicians realign all circuits and make complete performance checks to ensure compliance with factory specifications after replacing any faulty components Those who do undertake any of the following alignments are cautioned to proceed at their own risk Problems caused by unauthorized attempts at realignment are not covered by the warranty poli cy Also STANDARD HORIZON must re...

Page 6: ... transceiver and test equipment and that this temperature be held constant between 68 86 F 20 30 C When the transceiver is brought into the shop from hot or cold air it should be allowed some time to come to room temperature before alignment Whenever possible alignments should be made with oscillator shields and circuit boards firmly af fixed in place Also the test equipment must be thoroughly war...

Page 7: ... the RF Signal Generator output level 0 dBμV with a standard FM modulation 3 0 kHz deviation 1 kHz at 156 800 MHz 6 Press the H L key then press the p or q key so that the DC voltmeter reading is 0 3 V 0 05 V 7 Press and hold the H L key for 2 seconds to save the new setting at the band center 8 Press the p key to change the C character to H at the lower right corner of the display 9 Change the RF...

Page 8: ...ss and hold the H L key for 2 seconds to save the Squelch Threshold level at the low band edge 12 Press the CLR WX key to exit from this align ment item Squelch Threshold Adjustment Narrow Band width 1 Press the p or q key to select the display to N TH N 2 Press the SQL key to enable adjustment of the Squelch Threshold level 3 Press the p or q key to select a small character of lower right corner ...

Page 9: ... 2 seconds to read the Squelch Tight level at the low band edge 12 Press the CLR WX key to exit from this align ment item Squelch Tight Adjustment Narrow Bandwidth 1 Press the p or q key to select the display to N TI N 2 Press the SQL key to enable adjustment of the Squelch Tight level 3 Press the p or q key to select asmall character of lower right corner of the dis play to C 4 Set the RF Signal ...

Page 10: ...nable the transmitter press the p or q key to adjust the output power to 5 0 W 0 1W 10 Press and hold the H L key for 2 seconds to save the new setting at the high band edge 11 Press the q key twice to change the H character to L at the lowerright corner of the display 12 Press the H L key to enable adjust ment of the TX Output Power at the low band edge 13 Press the PTT key to enable the transmit...

Page 11: ...e new setting at the low band edge 16 Press the H L key to exit from this alignment item TX Deviation Adjustment Modulation Balance 1 Connect the wattmeter and dummy load to the antenna jack then connect the deviation meter to the antenna jack through the VHF sampling coupler 2 Connect the AF Generator to the MIC SP jack then adjust the AF Generator output to 300 mV at 350 Hz 3 Press the p or q ke...

Page 12: ... key for 2 seconds to save the new setting 6 Press the H L key to exit from this alignment item TX Deviation Adjustment CTCSS 1 Connect the wattmeter and dummy load to the antenna jack then connect the deviation meter to the antenna jack through the VHF sampling coupler 2 Press the p or q key to s e l e c t t h e d i s p l a y t o CTCSS 3 Press the SQL key then press the H L key to enable adjustme...

Page 13: ...MAIN Unit Lot 42 Circuit Diagram HX400 Service Manual MAIN 1 ...

Page 14: ...Parts Layout Side A MAIN Unit Lot 42 1 2 3 A B C D E F HX400 Service Manual MAIN 2 ...

Page 15: ...Parts Layout Side B MAIN Unit Lot 42 1 2 3 a b c d e f HX400 Service Manual MAIN 3 ...

Page 16: ...MAIN Unit Lot 43 Circuit Diagram HX400 Service Manual MAIN 4 ...

Page 17: ...Parts Layout Side A MAIN Unit Lot 43 1 2 3 4 A B C D E F G H i HX400 Service Manual MAIN 5 ...

Page 18: ...Parts Layout Side B MAIN Unit Lot 43 1 2 3 4 a b c d e f g h i HX400 Service Manual MAIN 6 ...

Page 19: ... GRM155B11H472KA01D K22178838 1 C 4035 CHIP CAP 150pF 50V CH GRM1552C1H151JA01D K22178240 1 C 4036 CHIP CAP 12pF 50V CH GRM1552C1H120JA01D K22178214 1 C 4037 CHIP CAP 1uF 10V B GRM155B31A105KE15D K22108809 1 C 4038 CHIP CAP 0 01uF 25V B GRM155B11E103KA01D K22148834 1 C 4039 CHIP CAP 330pF 50V B GRM155B11H331KA01D K22178803 1 C 4041 CHIP CAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 C 4042 CHIP ...

Page 20: ...A01D K22148834 1 C 4117 CHIP CAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 C 4118 CHIP CAP 0 0033uF 50V B GRM155B11H332KA01D K22178815 1 C 4119 CHIP CAP 0 01uF 25V B GRM155B11E103KA01D K22148834 1 C 4120 CHIP CAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 C 4121 CHIP CAP 0 1uF 10V B GRM155B11A104KA01D K22108802 1 C 4122 CHIP CAP 0 01uF 25V B GRM155B11E103KA01D K22148834 1 C 4124 CHIP CAP 0 01...

Page 21: ...A105KE15D K22108809 1 C 4199 CHIP CAP 1pF 50V CK GRM1554C1H1R0BA01D K22178287 1 C 4200 CHIP CAP 330pF 50V B GRM155B11H331KA01D K22178803 1 C 4201 CHIP CAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 C 4202 CHIP CAP 1pF 50V CK GRM1554C1H1R0BA01D K22178287 1 C 4204 CHIP CAP 15pF 50V CH GRM1552C1H150JA01D K22178216 1 C 4205 CHIP CAP 1uF 10V B GRM155B31A105KE15D K22108809 1 C 4206 CHIP CAP 4pF 50V CH...

Page 22: ...1 C 4275 CHIP CAP 0 0047uF 50V B GRM155B11H472KA01D K22178838 1 C 4276 CHIP CAP 33pF 50V CH GRM1552C1H330JA01D K22178224 1 C 4277 CHIP CAP 0 0047uF 50V B GRM155B11H472KA01D K22178838 1 C 4278 CHIP CAP 1uF 10V B GRM155B31A105KE15D K22108809 1 C 4279 CHIP CAP 0 1uF 10V B GRM155B11A104KA01D K22108802 1 C 4280 CHIP CAP 0 022uF 16V B GRM155B11C223KA01D K22128806 1 C 4281 CHIP CAP 33pF 50V CH GRM1552C1H...

Page 23: ...DIODE 1SV325 TPH3 F G2070848 1 D 4029 DIODE DAN235E TL G2070612 1 D 4030 DIODE EDZV T2R 3 9B G2071004 1 D 4031 DIODE HVC383B TRF E G2070922 1 D 4031 DIODE 1SV305 TPH3 G2070942 36 D 4032 DIODE 1SS400 TE61 G2070634 1 D 4033 DIODE 1SS400 TE61 G2070634 1 D 4034 DIODE 1SS400 TE61 G2070634 1 D 4035 DIODE DA221 TL G2070178 1 D 4036 DIODE 1SS400 TE61 G2070634 1 D 4037 DIODE 1SV325 TPH3 F G2070848 1 D 4038...

Page 24: ...4006 TRANSISTOR DTA114TE TL G3070264 1 Q 4007 IC TAR5S50U TE85L F G1094097 1 Q 4008 IC S 812C35AUA C2P T2G G1093672 1 Q 4009 IC LM2902PWR G1094009 1 Q 4010 TRANSISTOR CPH6102 TL G3070223 1 Q 4011 TRANSISTOR DTC144EE TL G3070075 1 Q 4012 IC LM2904PWR G1094010 1 Q 4013 TRANSISTOR UMD5N TR G3070343 1 Q 4014 TRANSISTOR 2SA1774 TL R G3117748R 1 Q 4015 TRANSISTOR UMD5N TR G3070343 1 Q 4016 TRANSISTOR UM...

Page 25: ...6S 103JTH J24189037 1 R 4024 CHIP RES 0 1 8W 5 RMC1 8T 000J J24215000 1 R 4025 CHIP RES 0 1 8W 5 RMC1 8T 000J J24215000 1 R 4026 CHIP RES 2 2k 1 16W 5 RMC1 16S 222JTH J24189029 1 R 4026 CHIP RES 1 2k 1 16W 5 RMC1 16S 122JTH J24189026 5 R 4027 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 R 4028 CHIP RES 820k 1 16W 5 RMC1 16S 824JTH J24189060 1 R 4029 CHIP RES 68k 1 16W 0 5 MCR01MZPD6802 J241893...

Page 26: ...102JTH J24189025 1 R 4096 CHIP RES 220 1 16W 5 RMC1 16S 221JTH J24189017 1 R 4097 CHIP RES 180 1 16W 5 RMC1 16S 181JTH J24189016 1 R 4098 CHIP RES 100 1 16W 5 RMC1 16S 101JTH J24189013 1 R 4099 CHIP RES 560 1 16W 5 RMC1 16S 561JTH J24189022 1 R 4100 CHIP RES 3 3k 1 16W 5 RMC1 16S 332JTH J24189031 1 R 4101 CHIP RES 180 1 16W 5 RMC1 16S 181JTH J24189016 1 R 4102 CHIP RES 0 1 16W 5 RMC1 16S JPTH J241...

Page 27: ...1 16S 224JTH J24189053 1 R 4176 CHIP RES 150k 1 16W 5 RMC1 16S 154JTH J24189051 1 R 4176 CHIP RES 220k 1 16W 5 RMC1 16S 224JTH J24189053 36 R 4177 CHIP RES 390 1 16W 5 RMC1 16S 391JTH J24189020 1 R 4178 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 R 4179 CHIP RES 150 1 16W 0 5 MCR01MZPD1500 J24189352 1 R 4180 CHIP RES 6 8k 1 16W 5 RMC1 16S 682JTH J24189035 1 R 4181 CHIP RES 1 8M 1 16W 5 RMC1 16...

Page 28: ...MZPD5602 J24189383 1 R 4251 CHIP RES 47k 1 16W 0 5 MCR01MZPD4702 J24189382 1 R 4252 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 R 4253 CHIP RES 0 1 16W 5 RMC1 16S JPTH J24189070 1 R 4254 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 R 4255 CHIP RES 33k 1 16W 5 RMC1 16S 333JTH J24189043 1 R 4256 CHIP RES 100k 1 16W 0 5 MCR01MZPD1003 J24189386 1 R 4257 CHIP RES 560 1 16W 0 5 MCR01MZPD5600 ...

Page 29: ...AIN 16 Parts List HX400 Service Manual REF DESCRIPTION VALUE V W TOL MFR S DESIG YAESU P N VERS LOT SIDE LAY ADR MAIN Unit Lot 1 42 MIC HOLDER RUBBER S RA1194900 1 PAN HEAD TAPTITE B M2X4NI 3 U9900068 4 ...

Page 30: ... B f2 C 5036 CHIP CAP 12pF 50V CH GRM1552C1H120JA01D K22178214 43 B e3 C 5037 CHIP CAP 1uF 10V B GRM155B31A105KE15D K22108809 43 B e1 C 5038 CHIP CAP 0 01uF 25V B GRM155B11E103KA01D K22148834 43 B e3 C 5039 CHIP CAP 330pF 50V B GRM155B11H331KA01D K22178803 43 B e1 C 5041 CHIP CAP 0 001uF 50V B GRM155B11H102KA01D K22178809 43 A B2 C 5042 CHIP TA CAP 22uF 16V TMCMB1C226MTRF K78120028 43 B f2 C 5043 ...

Page 31: ... C 5119 CHIP CAP 0 01uF 25V B GRM155B11E103KA01D K22148834 43 B d1 C 5120 CHIP CAP 0 001uF 50V B GRM155B11H102KA01D K22178809 43 B d3 C 5121 CHIP CAP 0 1uF 10V B GRM155B11A104KA01D K22108802 43 B e2 C 5122 CHIP CAP 0 01uF 25V B GRM155B11E103KA01D K22148834 43 B d2 C 5124 CHIP CAP 0 01uF 25V B GRM155B11E103KA01D K22148834 43 B d3 C 5125 CHIP CAP 0 001uF 50V B GRM155B11H102KA01D K22178809 43 A B1 C ...

Page 32: ...43 B b2 C 5205 CHIP CAP 1uF 10V B GRM155B31A105KE15D K22108809 43 B b3 C 5206 CHIP CAP 4pF 50V CH GRM1552C1H4R0BA01D K22178291 43 B e1 C 5207 CHIP CAP 12pF 50V CH GRM1552C1H120JA01D K22178214 43 B b2 C 5208 CHIP CAP 0 01uF 25V B GRM155B11E103KA01D K22148834 43 B b3 C 5209 CHIP CAP 22pF 50V CH GRM1552C1H220JA01D K22178220 43 B b2 C 5210 CHIP CAP 12pF 50V CH GRM1552C1H120JA01D K22178214 43 B b2 C 52...

Page 33: ...01D K22178838 43 B a1 C 5283 CHIP CAP 1uF 10V B GRM155B31A105KE15D K22108809 43 B a3 C 5284 CHIP CAP 1uF 10V B GRM155B31A105KE15D K22108809 43 B a3 C 5285 CHIP CAP 1uF 10V B GRM155B31A105KE15D K22108809 43 B a1 C 5287 CHIP CAP 100pF 50V CH GRM1552C1H101JA01D K22178236 43 B b2 C 5288 CHIP CAP 0 1uF 10V B GRM155B11A104KA01D K22108802 43 B b1 C 5289 CHIP CAP 0 01uF 25V B GRM155B11E103KA01D K22148834 ...

Page 34: ...00 TE61 G2070634 43 B a1 D 5045 DIODE DA221 TL G2070178 43 B a1 D 5046 DIODE 1SS400 TE61 G2070634 43 A E1 D 5047 DIODE 1SS400 TE61 G2070634 43 A E1 DS5001 LCD GTO4993SY02 G6090202 43 A C2 DS5001 LCD GTA4613SY01 G6090238 55 A C2 F 5002 CHIP FUSE 3 15A FHC16 322ADTP Q0000118 43 A B1 FB5001 FERRITE BEADS BLM18PG330SN1D L9190141 43 A B1 FB5002 FERRITE BEADS BLM18PG330SN1D L9190141 43 B f2 FB5003 FERRI...

Page 35: ...d1 Q 5019 FET RQA0011DNS G3070392 43 B d3 Q 5020 IC LM2902PWR G1094009 43 B d1 Q 5021 FET RTM002P02 TAPE G3070347 43 A B2 Q 5022 TRANSISTOR DTC144EE TL G3070075 43 A B2 Q 5023 IC S 80835CNMC B8U T2 G G1093606 43 A B2 Q 5024 TRANSISTOR 2SC4617 TL R G3346178R 43 B d2 Q 5025 TRANSISTOR 2SC5006 T1 A YFB G3350068 43 B e2 Q 5025 TRANSISTOR 2SC5006 T1 A YFB G3350068 82 B e2 Q 5025 TRANSISTOR 2SC5086 O G3...

Page 36: ... B2 R 5037 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 43 B d1 R 5038 CHIP RES 47k 1 16W 0 5 MCR01MZPD4702 J24189382 43 B a2 R 5039 CHIP RES 120k 1 16W 5 RMC1 16S 124JTH J24189050 43 B a2 R 5040 CHIP RES 270k 1 16W 5 RMC1 16S 274JTH J24189054 43 B a2 R 5041 CHIP RES 0 33 1 8W 10 RMC1 8 R33KTP J24219001 43 A B2 R 5042 CHIP RES 27k 1 16W 5 RMC1 16S 273JTH J24189042 43 B f1 R 5043 CHIP RES 33k 1 ...

Page 37: ...19 43 B c3 R 5113 CHIP RES 22 1 16W 5 RMC1 16S 220JTH J24189005 43 B c2 R 5114 CHIP RES 22 1 16W 5 RMC1 16S 220JTH J24189005 43 B c2 R 5115 CHIP RES 18 1 16W 5 RMC1 16S 180JTH J24189004 43 B c3 R 5116 CHIP RES 100 1 16W 5 RMC1 16S 101JTH J24189013 43 B d2 R 5117 CHIP RES 100 1 16W 5 RMC1 16S 101JTH J24189013 43 B d2 R 5118 CHIP RES 100 1 16W 5 RMC1 16S 101JTH J24189013 43 B d2 R 5119 CHIP RES 10k ...

Page 38: ...1 43 B c2 R 5193 CHIP RES 3 3k 1 16W 0 5 MCR01MZPD3301 J24189368 43 B b2 R 5194 CHIP RES 100k 1 16W 0 5 MCR01MZPD1003 J24189386 43 B e1 R 5195 CHIP RES 2 2k 1 16W 5 RMC1 16S 222JTH J24189029 43 B b3 R 5196 CHIP RES 2 2k 1 16W 5 RMC1 16S 222JTH J24189029 43 B b3 R 5197 CHIP RES 22 1 16W 5 RMC1 16S 220JTH J24189005 43 B b1 R 5198 CHIP RES 100k 1 16W 0 5 MCR01MZPD1003 J24189386 43 B e1 R 5199 CHIP RE...

Page 39: ... 16S 563JTH J24189046 43 B a2 R 5261 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 43 B a2 R 5262 CHIP RES 10 1 16W 5 RMC1 16S 100JTH J24189001 43 B b2 R 5263 CHIP RES 100k 1 16W 0 5 MCR01MZPD1003 J24189386 43 B a1 R 5264 CHIP RES 100k 1 16W 0 5 MCR01MZPD1003 J24189386 43 B a1 R 5265 CHIP RES 82k 1 16W 0 5 MCR01MZPD8202 J24189385 43 B a1 R 5266 CHIP RES 68k 1 16W 5 RMC1 16S 683JTH J24189047 43 B...

Page 40: ...d without the permission of YAESU MUSEN CO LTD YAESU MUSEN CO LTD Tennozu Parkside Building 2 5 8 Higashi Shinagawa Shinagawa ku Tokyo 140 0002 Japan YAESU USA 6125 Phyllis Drive Cypress CA 90630 U S A YAESU UK Unit 12 Sun Valley Business Park Winnall Close Winchester Hampshire SO23 0LB U K 1802 D ...

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