TK-378G(M)维修维护电器原理图册_B51-8640-00

UHF FM TRANSCEIVER/UHF FM手S持机KENWOODTK-378GSERVICE MANUAL/维修手册M VERSIONS2002-10 PRINTED IN JAPANB51-8640-00(S)607SUPPLEMENT/追补版This service manual is aimed to revise and update theinformation on the PC Board that is used in the TK-378Gtransceiver having the serial number 4700201 and thelater serial numbers.Refer to the original TK-378G(M,M4)service manual (B51-8517-00)for anyinformation which are not contained in this manual.Knob此维修手册的目的是修改和更新印刷电路板的资料，它(CHANNEL SELECTOR)用于序号4700201以后的TK-378G对讲机。关于未包Helical Antenna(K29-5434-03)含于此手册的资料请参照TK-378G(M,M4)初版维修手(T90-0743-05):M(T90-0744-05):M4册(B51-8517-00).Knob (VOLUME)(K29-5332-03)Cabinet assy(A023508-33)Button knob (PTT)(K29-5334-23)Button knob.(MONI/LAMP)K29-5333-13)CONTENTS目录PARTS LIST............2零件表..2EXPLODED VIEW.......9部件分解图.9PACKING.10包装10ADJUSTMENT....11调整.11PC BOARD VIEWSPC板视图TX-RX UNIT (X57-617X-XX)....................3TX-RX单元(X57-617X-XX).23SCHEMATIC DIAGRAM..29原理图.29BLOCK DIAGRAM.33方块图.33LEVEL DIAGRAM........35电平图..35KNB-14/KNB-15A (Ni-Cd BATTERY)...............36KNB-14/KNB-15A(镍-铬电池).36KMC-17/KMC-21 (SPEAKER MICROPHONE)..37KMC-17/KMC-21(扬声器话筒)37SPECIFICATIONS.BACK COVER规格.39