Kenwood KRF-V7771D Service Manual

Also see for KRF-V7771D: Instruction manual Instruction manual Setup Instruction manual Service manual

Contents

KRF-V7771D/V7771DE2CONTENTS / ACCESSORIES / CAUTIONSCONTENTS / ACCESSORIES / CAUTIONS...............2CONTROLS .................................................................3DISASSEMBLY FOR REPAIR.....................................5BLOCK DIAGRAM .......................................................6CIRCUIT DESCRIPTION .............................................7ADJUSTMENT .......................................................... 13WIRING DIAGRAM ....................................................14PC BOARD ................................................................15SCHEMATIC DIAGRAM ............................................23EXPLODED VIEW .....................................................51PARTS LIST...............................................................52SPECIFICATIONS .....................................................67ContentsFM(T90-0836-05)indoor antenna (1)Remote(A70-1269-05)(RC-R0807)Battery cover(A09-1115-08)control unit (1)Loop antenna stand (1)Batteries(R6/AA) (4)AM loop antenna (1) (T90-0833-05)(J19-3645-05)How to reset the microcomputerThe microcomputer may malfunction (impossibility of operation,erroneous display, etc.) when the power cord is unplugged andplugged in again while the unit is in ON mode or due to otherexternal causes. In this case, execute the procedure on the right toreset the microcomputer and return the unit to the normal condi-tion.÷ Resetting the microcomputer clears the memory you entered andreturns it to the initial condition when the unit left the factory.1 With the power cord plugged in, turn the POWER key toOFF.2 While holding down the (ON/STANDBY) key, pressthe POWER key.Please note that the following items will be deleted fromthis unit’s memory if the power cord is disconnectedfrom the AC outlet for approximately three days.Memory backup function÷ The frequency setting is cleared and 87.5 MHz is selected.÷ The preset station memory is cleared.÷ The surround setting is cleared and reset to the initial condition.÷ The input selection is cleared and the “Tuner” input is selected.÷ The volume setting is cleared and the volume is set to “-66 dB”.÷ The receiving band setting is cleared and the “FM” band isselected.AccessoriesCautions