Kenwood KRC-21SA Service Manual

Also see for KRC-21SA: Instruction manual Instruction manual

Contents

parts list

P Q R S T1234567SWITCH UNIT (X16-149x-xx)A0V5V5.0V0V0V0V3.3V1.7V5V3.3V0V5V0V5V5V10.2V5.0V0V10K10K∗PL1∗PL2∗D1∗D4∗D6∗D5∗D8∗D7∗D9 ∗D11∗D12 ∗D13∗D14 ∗D15∗D10∗D2 ∗D3J1Q121CLK ATTAM65VOL+FMAUDIOJ3X14-1/2AUTO VOL-T.UP4 3T.DOWNSRCRSTD17KEY-MATRIXPERMISSIONSW121110987654321PANEL SWL DATA SL CLKL CEL DATA LN.C.u-GNDPAN 5VRSTILL-GNDILL+BESD-GND48474645441234565051525354565758596061626364KS5KS4KS3KS2KEYS4S5KI1KI2KI3KI4KI5VDDVDD2VDD1VSSOSCDATA LCECLKDATA SKI1KI2KI4KI3C4 0.047C5 1000PC1 0.047R19 56KC2 0.01R8 4.7R18 1K63646261626163R11 100R13 100R14 100R12 100641313R21R6470470R5330R4R3330R1470R2330KS1KS2KS3KS4KS5KI4KI3KI2KI1R20S2S3KS2KS3KS4KS549Q1KS655 TEST+B+B+5V +5V +5VCAUTION : For continued safety, replace safety critical components only with manufacturer'srecommended parts (refer to parts list).Indicates safety critical components. To reduce the risk of electric shock, leakage-current orresistance measurements shall be carried out (exposed parts are acceptably insulated from thesupply circuit) before the appliance is returned to the customer.• DC voltages are as measured with a high impedance voltmeter. Values may vary slightly dueto variations between individual instruments or/and units.!www . xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299