File name KENWOOD KDC-2018.pdfCD RECEIVER
KDC-216S/2018
SERVICE MANUAL
© 2000-12 PRINTED IN JAPAN B51-7701-00(S) 1752
q KDC-216S
Knob(RELEASE) (K24-3665-04) Knob(EJ) (K24-3653-04) Front glass (B10-3294-01:216S) (B10-3297-01:2018) Panel assy (A64-2202-02:216S) (A64-2209-02:2018) Knob (Q) (K24-3652-04)
KDC-216S
45Wx4
AUD
COMPACT
CRSC
DIGITAL AUDIO
LOUD
SCAN
RDM
REP
PWR OFF
AUTO AME
ADJ
Knob(VOL) (K25-1256-03)
Knob(1-6) (K25-1253-03)
Knob(FM/AM) (K25-1255-03)
Knob(CLK) (K25-1254-03)
Mounting hardware assy (J21-9641-03)
Plastic cabinet assy (A02-1486-13)
DC cord (E30-4783-05:216S) (E30-4784-05:2018)
Screw set (N99-1632-05)
Screw set (N99-1610-15)
Lever (D10-4589-04)
Stay (J54-0606-04)
KDC-216S/2018
BLOCK DIAGRAM
2
KDC-216S/2018
COMPONENT DESCRIPTION
qSWITCH UNIT(X13-9880-13)
Ref.No. Component Name IC1 LC75853NE Q1 DTA114EK or KRA102S or UN2111 Application/Function LCD driver key-matrix permission SW Operation/Condition/Compatibility Ready on key-matrix Ready on key-matrix, ON when the base goes "Lo"
qELECTRIC UNIT(X25-8690-XX)
Ref.No. IC1 IC2 IC4 IC7 IC8 IC11 IC12 Q10 Q20 Q40 Q50 Q51 Q53 Q55 Q70 Q101 Q102 Q223,224 Q251 Component Name UPD780058GC231 TDA7407D TDA7386 BA4911-V4 HD74HC27FP S-80830ANNP BR24C01AF or BR24C01AF-W M24C01-WMN6T or S-24C01B 2SC4081 or 2SD1819A 2SC4081 or 2SD1819A DTA124EUA or UN5112 2SA1036K UMC2N UMC2N 2SD2375 or 2SD2396 2SC4081 or 2SD1819A 2SC4081 or 2SD1819A DTA114YUA or UN5114 DTC143TUA or UN5216 DTC114YUA or UN5214 Application/Function System µ-COM. E-VOL. & N.C. MPX Power IC Power supply IC Mute gate IC RESET IC E2PROM B.U. detection ACC detection PREOUT mute driver SW 5V SW 14V Switch for power supply IC AVR for SERBO +B SURGE detection DSI SW PANEL 5V SW PREOUT MUTE Power IC SVR SW Operation/Condition/Compatibility
3 input NOR gate x3 Detection voltage 3.0V
Detect BU voltage Detect ACC voltage Mutes when base is "Lo" (controls Q221-224) ON when the base is "Lo". ON when the base is "Hi" (controls Q55) ON when the base is "Hi" (controls SW1 pin of power supply IC) Output issued when SW14V is on (base is "Hi") Detect SURGE voltage DSI LED turns ON when base is "Hi" ON when the base is "Lo" Mute applied to PREOUT (output) when base is "Lo" Turns ON when base is "Hi" and capacitor on SVR pin discharges
3
KDC-216S/2018
MICROCOMPUTER'S TERMINAL DESCRIPTION
qTerminal Description
Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Function AV CONT IC2 TYPE0 IC2 TYPE1 AVSS M MUTEL N.C AVREF1 ILLUMI L RES PANEL L DATAL L DATAS L CLK N.C N.C CH-DATAC CH-DATAH CH-CLK L CE N.C M RST M STOP MOSW PLL SCL AM+B FM+B M-SCL DSI LO/EJ SW3 R DATA R QUAL VSS1 SD IC2 SCL M-SDA PLL SDA IC2 SDA MUTE N.C AFC CH-REQH CH-CON N.C P MUTE SVR I/O O I I I O I O O I I O O O O I O I/O O O O O O O O O I/O O I/O I I I I O I/O I/O I/O O O O O O O O O Description A/D converter reference voltage control output IC2 setting terminal IC2 setting terminal Ground connection termin |