Service
HTX-400
MINI HANDHELD 70cm FM
AMATEUR TRANSCEIVER
Catalog Number : 19-1104
CONTENTS
page
Specifications ----------------------------------------------------------------------------------------------- 1
Theory of Operation --------------------------------------------------------------------------------------- 2
Block Diagram ---------------------------------------------------------------------------------------------- 8
Alignment Instructions ------------------------------------------------------------------------------------ 9
Test Equipment Set-Up --------------------------------------------------------------------------------- 12
Semiconductor Lead Identification and IC Internal Diagram ---------------------------------- 15
PCB Views ------------------------------------------------------------------------------------------------- 25
Wiring Diagram ------------------------------------------------------------------------------------------- 29
Troubleshooting Chart ---------------------------------------------------------------------------------- 30
Exploded View of Unit ---------------------------------------------------------------------------------- 31
Whole Parts List ------------------------------------------------------------------------------------------ 32
Schematic Diagrams ------------------------------------------------------------------------------------ 40
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1999 Tandy Corporation
All Rights Reserved.
RadioShack is a registered trademark used by Tandy Corporation
Содержание HTX-400
Страница 9: ...8 BLOCK DIAGRAM...
Страница 13: ...12 TEST EQUIPMENT SET UP FIGURE 1 FIGURE 2...
Страница 14: ...13 FIGURE 3 FIGURE 4 45dBc...
Страница 15: ...14 FIGURE 5 FIGURE 6...
Страница 16: ...15 SEMICONDUCTOR LEAD IDENTIFICATION AND IC INTERNAL DIAGRAM 1 INTERGRATED CIRCUITS A IC801 TMP87CH21DF...
Страница 20: ...19 B IC805 FX465 C IC601 IC803 TK11230 D IC3 NJM 2073 FX465...
Страница 21: ...20 E IC501 LV2105 F IC802 24LC16...
Страница 22: ...21 G IC806 NJM2902V H IC401 TA31136FN...
Страница 23: ...22 I IC804 XC6371 J IC807 NJM2904 K IC808 AS2810 ADJ GND VOUT VIN...
Страница 30: ...29 WIRING DIAGRAM _ _ YELLOW GREEN BLACK RED MIC SPEAKER...
Страница 32: ...31 EXPLODED VIEW OF UNIT...
Страница 41: ...40 SCHEMATIC DIAGRAM...
Страница 42: ...41...