Standard Horizon HX370SAS Service Manual Download Page 19 | Manualshive

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19

MAIN Unit (Lot. 8~)

Parts Layout (Side A)

B

A

D

C

F

E

G

1

3

2

4

H

CD4094BPWR

(Q1053)

HD64F2266

(Q1066)

LM2904PWR

(Q1062, 1079)

2SA1774 (FR)

(Q1022)

FMMTL718

(Q1014)

AT24C128N

(Q1067)

M62364FP

(Q1033)

BD4845FVE

(Q1023)

DTA114TE (94)

(Q1003)

DTC143ZE (E23)

(Q1005)

S-812C30AMC

(Q1008)

RD07MVS1

(Q1045)

UMD2N (D2)

(Q1009)

DA221 (K)

(D1002, 1011)

1SS321 (F9)

(D1035)

2SC4617 (BR)

(Q1004, 1021,

1030, 1034,

1035, 1044)

2SC5374 (NA)

(Q1055)

FMMTL618

(Q1031)

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Summary of Contents for HX370SAS

Page 1: ...1 SERVICE MANUAL VHF FM Marine Handheld Transceiver HX370SAS EM008N95A ...

Page 2: ...ting 30 minutes 1 meter depth JIS 7 Case Size W x H x D 2 3 x 4 7 x 1 2 58 x 120 x 30 5 mm Weight Approx 13 4 oz 380g with FNB V57IS Transmitter RF output power 5 W 2 5 W 1 W 7 2 V Modulation Type Variable Reactance Max deviation 5 kHz Wide 2 5 kHz Narrow Spurious emissions At least 73 dB down Microphone impedance 2 k Ohm Receiver Circuit type Double conversion superheterodyne Intermediate Frequen...

Page 3: ...NG RA0577200 Lot 1 5 RA057720A Lot 6 LIGHT GUIDE RA0557900 SP NET M4090168 SPEAKER G6090158 LCD RA058900A LIGHT GUIDE RA0589100 REFLECTOR SHEET RA0589200 INTER CONNECTOR MAIN Unit RA0578200 MIC HOLDER RUBBER M3290029 MIC ELEMENT RA0337300 SHEET RA008890A O RING CP7937001 REAR CASE ASSY RA0434100 SHEET Description ANTENNA CAT460 NI Cd BATTERY FNB V57IS WALL CHARGER NC 88B CRADLE CD 26 BELT CLIP ASS...

Page 4: ...4 Exploded View Miscellaneous Parts Note ...

Page 5: ...5 Block Diagram ...

Page 6: ...6 Connection Diagram ...

Page 7: ...DA2822D providing up to 400 mW of audio power to the 4 ohm loudspeaker 3 Squelch Control The squelch circuitry consists of a noise amplifier and band pass filter and noise detector within Q1039 NJM2591V When no carrier received noise at the out put of the detector stage in Q1039 NJM2591V is ampli fied and band pass filtered by the noise amplifier section of Q1039 NJM2591V and the network between p...

Page 8: ... the data latch section of Q1017 MB15A01PFV1 before being sent to the programmable divider section of Q1017 MB15A01PFV1 The data latch section of Q1017 MB15A01PFV1 also re ceives serial dividing data from the microprocessor Q1066 HD64F2266 which causes the pre divided VCO signal to be further divided in the programmable divider sec tion depending upon the desired receive frequency so as to produce...

Page 9: ...d thorough famil iarity with its correct use is necessary for complete re alignment Correction of problems caused by misalign ment resulting from use of improper test equipment is not covered under the warranty policy While most steps do not require all of the equipment listed the interactions of some adjustments may require that more complex ad justments be performed afterwards Do not attempt to ...

Page 10: ...ltage at 8 4V DC for all steps Press the S key twice to set the display to tHL tHL tHL tHL tHL The transceiver now is in the Squelch Threshold Align ment Mode Set the RF signal generator output to 155 600 MHz at a level of 12 dBµ with 3 5 kHz deviation with a 1 kHz audio tone Press the PRESET key to read the Squelch Thresh old data Press the H L key twice Press the PRESET key to exit the Squelch T...

Page 11: ...ut power to 1 0 W 0 05 W Press the PRESET key to exit the Transmitter Low Power Output Alignment Mode Transmitter Modulation Press the S key to set the display to dEu dEu dEu dEu dEu The trans ceiver now is in the Transmitter Modulation Align ment Mode Set the AF generator output to 50 mV rms 1 kHz Press the PRESET key to enable adjustment of the Transmitter Modulation Press the PTT key to cause t...

Page 12: ...12 Alignment Note ...

Page 13: ... V TX 8 20 V RX 6 30 V TX 6 70 V RX 2 10 V TX 0 V 0 80 V 0 80 V RX 0 30 V TX 0 97 V RX 1 94 V TX 0 80 V RX 0 40 V TX 1 00 V RX 0 80 V TX 2 50 V 3 00 V RX 0 V TX 1 20 V RX 7 00 V TX 6 50 V RX 0 V TX 2 90 V RX 0 V TX 2 96 V 0 V 0 V 0 V 0 58 V RX 4 80 V TX 2 00 V RX 1 00 V TX 0 V RX 0 V TX 2 30 V RX 8 40 V TX 8 20 V RX 0 V TX 2 38 V RX 0 V TX 5 16 V RX 0 V TX 1 10 V RX 0 V TX 1 10 V RX 0 V TX 1 20 V ...

Page 14: ...14 MAIN Unit Lot 1 7 Note ...

Page 15: ...23 DTA114TE 94 Q1003 DTC143ZE E23 Q1005 S 812C30AMC Q1008 HD64F2266 Q1066 LM2904PWR Q1062 1079 RD07MVS1 Q1045 UMD2N D2 Q1009 DA221 K D1002 1011 1SS321 F9 D1035 2SA1774 FR Q1022 FMMTL718 Q1014 2SC4617 BR Q1004 1021 1030 1034 1035 1044 2SC5374 NA Q1055 FMMTL618 Q1031 AT24C128N Q1067 M62364FP Q1033 ...

Page 16: ...2SC5231 C9 Q1012 2SC5374 NA Q1013 1016 1024 DTA143XE 33 Q1029 DTC144EE 26 Q1041 1050 1059 1061 1063 1064 1080 TDA2822D013 1010 MB15A01PFV1 Q1017 NJM2591V Q1039 UMW1 W1 Q1020 1028 DA221 K D1013 1028 1039 1046 DAN222 N D1015 1026 1038 DAN235E D1012 2SJ347 KS Q1011 1048 2SJ364 4M Q1042 1043 1049 2SK3074 WA Q1036 3SK320 U7 Q1054 DTA114TE 94 Q1002 DTA144EE 16 Q1006 LM2904PWR Q1075 1078 LM2902PWR Q1074 ...

Page 17: ...17 MAIN Unit Lot 8 Circuit Diagram ...

Page 18: ...18 MAIN Unit Lot 8 Note ...

Page 19: ...6 LM2904PWR Q1062 1079 2SA1774 FR Q1022 FMMTL718 Q1014 AT24C128N Q1067 M62364FP Q1033 BD4845FVE Q1023 DTA114TE 94 Q1003 DTC143ZE E23 Q1005 S 812C30AMC Q1008 RD07MVS1 Q1045 UMD2N D2 Q1009 DA221 K D1002 1011 1SS321 F9 D1035 2SC4617 BR Q1004 1021 1030 1034 1035 1044 2SC5374 NA Q1055 FMMTL618 Q1031 ...

Page 20: ...SC5231 C9 Q1012 2SC5374 NA Q1013 1016 1024 DTA143XE 33 Q1029 DTC144EE 26 Q1041 1050 1059 1061 1063 1064 1080 TDA2822D013 1010 MB15A01PFV1 Q1017 NJM2591V Q1039 UMW1 W1 Q1020 1028 DA221 K D1013 1028 1039 1046 DAN222 N D1015 1026 1038 DAN235E D1012 2SJ347 KS Q1011 1048 2SJ364 4M Q1042 1043 1049 2SK3074 WA Q1036 3SK320 U7 Q1054 DTA114TE 94 Q1002 DTA144EE 16 Q1006 LM2904PWR Q1075 1078 LM2902PWR Q1074 1...

Page 21: ...ECEV1HA220WP K48170018 1 B h2 C 1033 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 B g2 C 1034 AL ELECTRO CAP 100uF RVZ 10V101MF55U R2 K48100008 1 B g2 C 1035 AL ELECTRO CAP 100uF RVZ 10V101MF55U R2 K48100008 1 B g1 C 1036 CHIP CAP 0 1uF 10V B GRM36B104K10PT K22108802 1 B g2 C 1037 CHIP CAP 0 1uF 10V B GRM36B104K10PT K22108802 1 B f2 C 1038 CHIP CAP 0 1uF 10V B GRM36B104K10PT K22108802 1 A A1 ...

Page 22: ...1105 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 A B1 C 1106 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 B f2 C 1107 CHIP CAP 0 0033uF 50V B GRM36B332K50PT K22178815 1 B f2 C 1108 CHIP CAP 120pF 50V CH GRM36CH121J50PT K22178238 1 B f2 C 1109 CHIP CAP 1uF 6 3V B GRM39B105K6 3PT K22084801 1 B e2 C 1110 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 B d4 C 1111 CHIP CAP 0 001uF 50V B G...

Page 23: ...AP 0 001uF 50V B GRM36B102K50PT K22178809 5 B b2 C 1181 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 B c2 C 1182 CHIP CAP 0 1uF 10V B GRP155B11A104JA01E K22108807 1 B c3 C 1183 CHIP CAP 0 1uF 10V B GRP155B11A104JA01E K22108807 1 B c3 C 1184 CHIP CAP 0 01uF 16V B GRP155B11C103JA01E K22128814 1 B c3 C 1186 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 B b1 C 1188 CHIP CAP 0 001uF 50V B GRM3...

Page 24: ... A3 C 1269 CHIP CAP 1pF 50V CK GRM36CK010B50PT K22178287 1 B g3 C 1270 CHIP CAP 4pF 50V CH GRM39CH040C50PT K22174205 1 B g4 C 1271 CHIP CAP 1pF 50V CK GRM36CK010B50PT K22178287 1 B g4 C 1272 CHIP CAP 1pF 50V CK UMK105CK010CW F K22178248 1 A A4 C 1273 CHIP CAP 5pF 50V CH GRM39CH050C50PT K22174206 1 B g4 C 1276 CHIP CAP 27pF 50V CH UMK105CH270JW F K22178268 1 B g4 C 1277 CHIP CAP 15pF 50V CH UMK105C...

Page 25: ... A A2 D 1045 DIODE 1SS400 TE61 G2070634 1 A F1 D 1046 DIODE DA221 TL G2070178 1 B a2 D 1047 DIODE EDZ TE61 3 9B G2071004 1 B a1 D 1048 DIODE 1SV323 TPH3 G2071006 1 B f2 D 1049 DIODE 1SS400 TE61 G2070634 1 A C3 D 1050 SURGE ABSORBER TVSF0805 Q9000807 1 A A3 D 1051 SURGE ABSORBER TVSF0805 Q9000807 1 A B3 D 1052 DIODE 1SS400 TE61 G2070634 1 A B3 DS1001 LCD AM008N G6090158 1 A D2 F 1001 CHIP FUSE 3 15...

Page 26: ...4 TL R G3117748R 1 B g1 Q 1028 TRANSISTOR UMW1 TR G3070078 1 B g1 Q 1029 TRANSISTOR DTA143XE TL G3070093 1 B g1 Q 1030 TRANSISTOR 2SC4617 TL R G3346178R 1 A A1 Q 1031 TRANSISTOR FMMTL618TA G3070334 1 A F1 Q 1032 TRANSISTOR 2SC5226 5 TL G3352268E 1 B d4 Q 1033 IC M62364FP 600D G1093033 1 A B2 Q 1034 TRANSISTOR 2SC4617 TL R G3346178R 1 A C3 Q 1035 TRANSISTOR 2SC4617 TL R G3346178R 1 A B3 Q 1036 FET ...

Page 27: ... RMC1 16S JPTH J24189070 1 B f1 R 1034 CHIP RES 470k 1 16W 5 RMC1 16S 474JTH J24189057 1 B f1 R 1035 CHIP RES 47k 1 16W 5 RMC1 16S 473JTH J24189045 1 B f1 R 1036 CHIP RES 39k 1 16W 5 RMC1 16S 393JTH J24189044 1 B e1 R 1037 CHIP RES 180k 1 16W 5 RMC1 16S 184JTH J24189052 1 B f1 R 1038 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 B f1 R 1039 CHIP RES 100 1 16W 5 RMC1 16S 101JTH J24189013 1 B c3...

Page 28: ...14 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 B g1 R 1115 CHIP RES 47k 1 16W 5 RMC1 16S 473JTH J24189045 1 B g1 R 1116 CHIP RES 47k 1 16W 5 RMC1 16S 473JTH J24189045 1 B g1 R 1117 CHIP RES 2 2k 1 16W 5 RMC1 16S 222JTH J24189029 1 B a2 R 1121 CHIP RES 220k 1 16W 5 RMC1 16S 224JTH J24189053 1 A A1 R 1122 CHIP RES 470k 1 16W 5 RMC1 16S 474JTH J24189057 1 A A1 R 1123 CHIP RES 470k 1 16W 5 RMC1 16...

Page 29: ...8 CHIP RES 2 7k 1 16W 5 RMC1 16S 272JTH J24189030 1 B b2 R 1199 CHIP RES 330 1 16W 5 RMC1 16S 331JTH J24189019 1 B b2 R 1200 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 B b2 R 1200 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 5 B b2 R 1201 CHIP RES 33k 1 16W 5 RMC1 16S 333JTH J24189043 1 B d3 R 1202 CHIP RES 33k 1 16W 5 RMC1 16S 333JTH J24189043 1 B d3 R 1203 CHIP RES 330k 1 16W 5 RMC1 16S ...

Page 30: ... 1277 CHIP RES 560 1 16W 5 RMC1 16S 561JTH J24189022 1 B f3 R 1278 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 B f3 R 1279 CHIP RES 68k 1 16W 5 RMC1 16S 683JTH J24189047 1 B d2 R 1280 CHIP RES 47k 1 16W 5 RMC1 16S 473JTH J24189045 1 B d3 R 1281 CHIP RES 390k 1 16W 5 RMC1 16S 394JTH J24189056 1 B d2 R 1282 CHIP RES 390k 1 16W 5 RMC1 16S 394JTH J24189056 1 B d2 R 1283 CHIP RES 10k 1 16W 5 RMC1...

Page 31: ...3 1 B f2 R 1347 CHIP RES 1M 1 16W 5 RMC1 16S 105JTH J24189061 1 A D1 R 1348 CHIP RES 47k 1 16W 5 RMC1 16S 473JTH J24189045 1 A A2 R 1349 CHIP RES 2 2k 1 16W 5 RMC1 16S 222JTH J24189029 1 B b4 R 1350 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 A C3 R 1351 CHIP RES 330k 1 16W 5 RMC1 16S 334JTH J24189055 1 B d3 R 1352 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 A C3 R 1353 CHIP RES 47k 1 16...

Page 32: ...32 Note MAIN Unit ...

Page 33: ...RTEX STANDARD US Headquarters 10900 Walker Street Cypress CA 90630 U S A Copyright 2005 VERTEX STANDARD CO LTD All rights reserved No portion of this manual may be reproduced without the permission of VERTEX STANDARD CO LTD ...

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