Kenwood-KDC-306-YG-Service-Manual 电路图 维修手册.pdf
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1、 2001-12 PRINTED IN JAPAN B51-7872-00 (N) 1937 CD RECEIVER KDC-2092RYA/RYG KDC-3021A/G/YA/YG KDC-306A/G/YA/YG SERVICE MANUAL COMPACT DIGITAL AUDIO RDMLOUDREPSCAN OFF KDC-XXXX PTY VOL. ADJTIMENUCLK AUD 50Wx4 COMPACT DIGITAL AUDIO RDMLOUDREPSCAN OFF KDC-2092R PTY VOL. ADJTIMENUCLK AUD 50Wx4 Panel assy
2、 (A64-2563-02): KDC-2092RYA/RYG DC cord (E30-4790-05) Lever (D10-4589-04)x2 Escutcheon (B07-3054-02) The CD mechanism infomation is not in this sarvice manual. Please, refer to sarvice manual X92-4030-0 x (B51-7867-00). Panel assy (A64-2553-02): KDC-3021A/G/YA/YG (A64-2565-02): KDC-306A/G/YA/YG Escu
3、tcheon (B07-3054-02) Plastic cabinet assy (A02-1486-13) Mounting hardware assy (J21-9641-13) WIDE BAND Antenna adaptor (T90-0523-05) CD mechanism extension cord : W05-0618-00 RadioFans.CN 收音机爱 好者资料库 KDC-2092RYA/RYG,3021A/G/YA/YG, 306A/G/YA/YG 2 BLOCK DIAGRAM CD IC4 IC12 IC1 POWER IC TUNER FM+B AM+B
4、SW5V BU5V A8V SERVO CH BACK UP E-VOL & MPX u-COM BU5V TEL-MUTE ACC DET. BU DET. BUFF DECODER RDS IC6 (E) IC2 SW5V SW5V E2PROM SW5V SERVOSW14V IC7 IC2 IC1 PRE OUT SP-OUT ACC TEL-MUTE BACK-UP P-CON ANT-CONT POWER SUPPLY MUTE PRE MUTE DSIBU5V REMOTE SW5V PAN DET. PAN5V PAN5V LCD DRIVER KEY MATRIX With
5、ILLUM SW A8V CONTROL BU5V MARINE CN. ANT-CON DET. P-CON DET. FM DET OUT AM DET OUT REQUEST LO/DX PLL-CLK PLL-CE S-METER PLL-DATA SD MSDA MSCLK SW2 SW1 SW3 M MUTE RST STOP LO/EJ MO SW RST CH-CON MUTE DATA C REQ H DATA H CLK REQ C FM AM CD CH AFS NOISE DET LEVEL RDCK DATAS MUTE RDDA LO/DX QUAL PLL-DAT
6、A PLL-CLK AFS NOISE S-METER SCL SD SDA PLL-CE EN2 EN3 EN1 PC DET PA DET CLK DATAL CE REMO PANEL DSI RES SDA SCL P-CON P.ANT FM+B VP2 AM+B AUDIO ILLUM BU5V SW1 SW2 203mV 170mV 1200mV 1200mV 382mVK: E: 382mVJ: (K) FM (E) (K) (J) (J)AM (E) : 1605mV : 1276mV : 561mV : 1700mV : 561mV : 792mV : 3529mVCD.C
7、H LCD RadioFans.CN 收音机爱 好者资料库 KDC-2092RYA/RYG,3021A/G/YA/YG, 306A/G/YA/YG 3 MICROCOMPUTERS TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER PD780058GC-XXX (IC1 : X25) Pin No.Pin NameI/OPurposeProcessing in STBY Mode 1PANELIPanel detectionHi-Z 28EJE SW *1I8 cm disk eject end detection switchL, L when the 8
8、cm CD compatibility is not provided. 3NCONot usedL 4AVss-GND potential (for A/D and D/A)- 5L-RSTOLCD driver resetH, L when the panel is detached or with 7-segment output. 6L-CEOLCD driver chip enableL, L is output when the panel is detached. 7AVREF1I5V power supply (D/A converter reference voltage)-
9、 8NCINot usedHi-Z 9PLL-DATAI/OF/E (IC3) communication dataL 10PLL-CLKOF/R (IC3) communication clockL 11L-DATALILCD driver communication data (LCD)Hi-Z 12L-DATASOLCD driver communication data (SYSTEM)L, L is output when the panel is detached. 13L-CLKOLCD driver communication clockH, L is output when
10、the panel is detached. 14R-DATAIRDS DATAHi-Z, L when RDS is not available. 15R-QUALIRDS QUALHi-Z, L when RDS is not available. 16CH-DATACI5-wire communication data (CH)Hi-Z, L when CH is not available. 17CH-DATAHO5-wire communication data (HEAD)L, L when CH is not available. 18CH-CLKI/O5-wire commun
11、ication clockHi-Z, L when CH is not available. 19CH-REQHO5-wire CH request (HEAD)H, L when CH is not available. 20PLL-CEOF/E chip enableL 21AFSONoise detection time constant switchingL 22LO/DXOLocal seek switchingL 2326NCONot usedL 27SDIStation detectionHi-Z 28CH-CONTO5-wire communication CH ON outp
12、utL, L when CH is not available. 29TYPE REFODestination type and servicing setting 5V outputL 30TYPE2IDestination type settingHi-Z 31TYPE1IDestination type settingHi-Z 32TYPE0IDestination type settingHi-Z 33Vss1-GND potential (for other parts than ports and analog circuitry)- 34IC2TYPE1IServicing pi
13、n (SEL1), normally “L”Hi-Z 35IC2TYPE0IServicing pin (SEL0), normally “L”Hi-Z 36DATAI/OIC2, CD mechanism and F/E communication dataL 37CLKOIC2, CD mechanism and F/E communication clockL 38MUTEOMuting control outputL, 15 sec. after power OFF. 39P-MUTEOPWR IC muting outputH, 15 sec. after power OFF. 40
14、SVROSVR control outputL 41P-STBYOPWR IC standby outputL 42SW5VOSW5 control output“H” in 10 sec. after power OFF. 43B.U-DETIB.U. detectionHi-Z 44ACC-DETIACC detectionHi-Z 45,46NCONot usedL 4749PS1-0PS1-2OPower supply IC AUD/P.CON/P.ANT SWL 50BEEPOBuzzer outputL 51,52PS2-0,PS2-1OPower supply IC ILL/AM
15、/FM SWL 53DSIODSI control outputL, H/L when panel is detached. FIX output is L. RadioFans.CN 收音机爱 好者资料库 KDC-2092RYA/RYG,3021A/G/YA/YG, 306A/G/YA/YG 4 MICROCOMPUTERS TERMINAL DESCRIPTION / ADJUSTMENT Pin No.Pin NameI/OPurposeProcessing in STBY Mode 54LOE/LIM SWICD mechanism Down & Limit detectionHi-Z
16、 55MOSWOCD mechanism motor switchingL 56LO/EJI/OLo/Ej switchingHi-Z 57M-STOPOMechanism COM stop outputL 58M-RSTOMechanism COM reset outputH 59M-MUTEIMechanism COM mute inputHi-Z 60RESETISystem reset inputHi-Z 61REMOIRemote control inputHi-Z 62R-CLKIRDS CLOCKHi-Z, L when RDS is not available. 63CH-RE
17、QCI5-wire CH request (CH)Hi-Z, L when CH is not available. 64LOS SWILoading SW detectionHi-Z 65KEY-REQIKey input detectionHi-Z 6612EJE SWI12 cm disc detectionHi-Z 67Vss0-GND potential (for ports)- 68VDD1-Positive power supply (for other parts than ports and analog circuitry)- 69X2-Main system clock
18、oscillation- 70X1IMain system clock oscillation- 71IC-Flash uCOM write- 72XT2-Not used- 73XT1-Not used (Connected to 5V power supply)- 74VDD0-Positive power supply (for ports)- 75AVREF0I5V power supply (A/D converter reference voltage)- 76S-METERIS-meter inputHi-Z 77PHONEINavigation muting 2.5V or m
19、ore, Telephone muting 1V or less.Hi-Z, L when TEL is not available. 78NOISEIFM noise detectionHi-Z, L when RDS is not available. 79NCONot usedL 80AVCONTOA/D reference voltage controlL No.ITEMINPUT SETTINGS TUNER (RECEIVER)ALIGNMENT ALIGN FOR SETTINGSPOINTS FM SECTION 98.1MHzTEST MODE : ON While hold
20、ing preset “1” key, press and 1SD0 devFM Preset “1” key, andhold preset “6” key for a few seconds. 35dB (ANT input)98.1MHz preset “6” key“ADJ OK” is good. “ADJ NG” is not good. AM SECTION 990kHzTEST MODE : ON While holding preset “1” key, press and (1)SD0% modAM Preset “1” key, andhold preset “6” ke
21、y for a few seconds. 35dB (ANT input)990kHz preset “6” key“ADJ OK” is good. “ADJ NG” is not good. TEST MODE : ONWhile holding the FM key and preset “6” key, reset the unit. TEST MODE : OFFReset the unit. ADJUSTMENT ABCDEFGHIJ 1 2 3 4 5 6 7 65 PC BOARD (COMPONENT SIDE VIEW) Refer to the schematic dia
22、gram for the values of resistors and capacitors. IC1 D267 D264 D268 D13 D11 Q20 Q201 IC2 IC6 Q102 Q224Q223 Q222 Q251 Q51 Q50 Q221 Q101 Q53 IC8 IC11 IC12 D102 Q40 Q10 Q70 J1 X25-9142-7x (J74-1368-12) CN3 CN1 CN2 J2 J3 A1 D108 Q55 D1 D403 D265 D266 D263 D261 D262 D14 D12 D110 D251 D101 D103 D104 D253
23、D252 D109 D106 D107 J5 P1 D30 D202 D201 D10 D50 D20 D404 D402 D401 D407 D411 D410 D409 IC4 J4 D111 D70 D51 IC7 D40 X25-9120-xx/913x-xx (J74-1290-12) R56 W157 R123 C211 W160 C208 C104 C62 W156 C225 R139 C307 W163 W164 C226 W167 W168 C59 R57 W166 C356C355 TH1 R127 R126 R128 R130 R129 R125 R122 R138 R1
24、37 R143 R144 R132 R131 R133 R140 R134 R119 R104 R103 R105 R107 R106 R102 R136 R135 C207 R67 R115 R114 R116 R118 R117 R113 R108 R110 R112 R111 R261 R260/W178 R263 R255 R254/W176 R256 R258 R257 R413 R412 R414 R415 C30 C21 R202 R201 R203 R205 R204 C103 C202 C206 C142 C106 C102 R251/W177 R222 R221 R223
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