Kenwood TH-25A Service Manual

Also see for TH-25A Series: Instruction manual Instruction manual Instruction manual Service manual Instruction manual

KENWOODSERVICE MANUAL ©1987-12 PRINTED IN JAPANB51-3253-00(0)1573+——_—— CONTENTS!DISASSEMBLY FOR REPAIR .... 2... 00000 2CIRCUIT DESCRIPTION 1.0.2... cc cece ccc cenceeens 4SEMICONDUCTOR DATA .......-.000ccceeeeeecee eeeeee 10DESCRIPTION OF COMPONENTS ..........200000-00020002 14PARTS UIST: fos i0 bale ace dencivy Ba cee ceetrgtid etl bien obenub 15DISASSEBLY ......... 00sec ees c eee e cee et enneeeueeees 28PACKING: 95-35 sets cece wate dade Bala idaihs auch.Gide eats 29ADJUSTMENT «io eis ei etait ean ere ace eat ee, Ra eS Bue gs 30PC BOARD VIEWS/CIRCUIT DIAGRAMAVR UNIT (X58-3200-10) oe cee ceceeeens 34IF UNIT (X58-3210-11) 2.00.2.0eeStes Sateen ite teneehaeresd 35APC UNIT (X59-3220-10) .. cece cece ee tees een e ee neeees 36PLILUNIT: (X58°3230210):~ cies i rece ecees ceelekrats Phvoreck eters 37MIC AMP UNIT (X59-3300-XX) 0. cee eee eee eee eee es 38AF AMP UNIT (X59-3310-10) oo eve cece eee erence ees 39FRONT-END UNIT (X59-3320-10) .. cece cee eee renee 40DRIVE UNIT (X50-3330-10) . 2... cee ee eee ees 41SIGNALING UNIT (X52-3090-10) cc. ee cece cece eee eees 42CONTROL UNIT (X53-3080-XX) oo. eee eee eee 43TX-RX UNIT (X57-3160-XX) vec cece eee e eee e eee neeeee 45SCHEMATIC DIAGRAM ........00-0-0002 eeee eee eeeee 47BLOCK DIAGRAM ........ 0000 cece cence eee eeee 49LEVEL DIAGRAM 2.0... cece ccc eee ete eet teens 50TERMINAL FUNCTIONS 0.00... ce ccc eeu eee eee e eens 51BC-9 (BATTERY CHARGER) ........---.-200ecceeeeeeeee - 51BC-10 (COMPACT CHARGER) .......---0-.0-000 ee eee eee 52BC-11 (RAPID CHARGER) ........-.000 -cc cece eee ee eeee 53BT-6 (AAA MANGANESE/ALKALINE BATTERY CASE) ......... 63DOITA(DG:ADAPTER) 4.6 oie 5.2 28 Se es 8 a ol ete 63HMC-2 (HEAD SET WITH VOX & PTT) «0... ee eee eeeees 64PB-5/6/7/8/9 (Ni-Cd BATTERY) «2.02.0000 0000 cece eeceeeee 66SC-14/15/16 (SOFT CASE) 22... eee eens 68SMC-31 (SPEAKER MICROPHONE) ...................00000 68TSU-6:(CTCSS UNIT) 22:2. cee ee a ae ee Eee 69MB-5 (MOBILE BRACKET)... 000 ccc eee e eee nee e eens 71WR-1 (WATERPROOF CASE) ..........-000sec ee eeceeees "1SPECIFICATIONS 1... 0.0000 cece eee eee e eee ee BACK COVERPhoto is TH-25AT.71