TM-281A_serv维修手册含电器原理图

144MHz FM TRANSCEIVERTM-281AKENWOODKenwood CorporationSERVICE MANUAL2011-8 PRINTED IN JAPANB51-8988-00(N)217Knob (VOL)Knob (ENC)Panel assy(K29-9498-03】(K29-9499-03)(A62-1187-131TM-281KENWOODMENUCTCS+=日I WX”88吧☑丽丽丽@s强远强强.强ǔ务*★A日6sM//⑦I@1国1四回TONEM-VM.INSQLCALLVFOMRREVModular jack (MIC)Key top(E58-0535-05)(K29-9497-01)CONTENTSDISASSEMBLY FOR REPAIR ..................2TERMINAL FUNCTION.......29CIRCUIT DESCRIPTION ........................5PC BOARDCOMPONENTS DESCRIPTION...............TX-RX UNIT (X57-8130-XX)................30SEMICONDUCTOR DATA........................11SCHEMATIC DIAGRAM.........................36PARTS LIST...2BLOCK DIAGRAM...4oEXPLODED VIEW......................18LEVEL DIAGRAM.42PACKING..9SPECIFICATIONS.................BACK COVERADJUSTMENT.........20LFThis product complies with the RoHS directive for the European market.This product uses Lead Free solder.