KENWOOD KMD6527
Manual de Servicio

KMD-6527
COMPONENTS DESCRIPTION
� SUB-CIRCUIT UNIT (X16-2510-10)
Ref. No. IC1 IC2 IC3 IC4 Q1 Q2,3 Q4 Q6 Q7,9 Q8,10 Q11,12 Application / Function Panel µcom 3.3V Regulater Remote Control IC Buffer IC FL BLK SW FL+B SW SW5V � LED SW Red LED SW Green LED SW Blue LED SW It is change into 3.3V from 5V VFD is turned on when Q1�s base level goes �H� FL+B (VDD2) is turned on when Q2�s base level goes �H� The power supply of IC3 is turned on when Q4�s base level goes �L� � LED is turned on when Q6�s base level goes �H� RED LED is turned on when Q7�s base level goes �L� GREEN LED is turned on when Q8�s base level goes �L� BLUE LED is turned on when Q11�s base level goes �L� The power supply of IC and VFD (Logic) which are driven by 3.3V Operation / Condition / Compatibility

� SUB-CIRCUIT UNIT (X16-2520-00)
Ref. No. PH1 Application / Function MD Disk Det Operation / Condition / Compatibility When base voltage is set to �L�, they are those with a disk.

� ELECTRIC UNIT (X34-3012-72)
Ref. No. IC1 IC2 IC3 IC4 IC7 IC10 IC11 IC12 Application / Function System µCOM E.Vol & N.C.MPX A8V Ref Power Supply Power IC SW Regulator Muting logic IC Reset IC RDS decoder IN Panel mecha IN1 L IC13 Panel mecha motor driver Panel mecha control L H H IC14 IC20 Q1,2 Q3,4 Level meter Buffer SW Regulator B.U.5V AVR SW5V H L H OPEN CLOSE STOP IN2 L WAIT Operation / Condition / Compatibility Controls FM/AM tuner, the changer, CD/MD mechanism, Panel, volume and tone. Controls the source, volume, tone and FM multiplex detector Output 1.27V Amplifies the front L/R and the rear L/R to 50W or 47W maximum. Power Supply for mp3 Controls logic for muting. �L� when detection voltage goes below 3.6V or less.

The signal of IC2 is sent to Panel µcom Power Supply for VFD While BU is applied, BU5V AVR outputs +5V. When Q4�base goes Hi, SW5V outputs +5V.

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