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Daughter Unit (X89-2690-10) - Kenwood KDC-MP2028 Service Manual

Cd receiver
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KDC-MP2028/MP228/MP3029
KDC-MP4029/MP4029G
Ref. No.
Application / Function
IC8
SELECTOR (SERIAL DATA)
IC9
DAC 3.3V AVR
Q1
LEVEL SHIFT
Q3~7
LEVEL SHIFT
Q8
AUTOMATIC POWER CONTROL
Q9,10
SWITCH
SWITCH UNIT (X16-2930-xx)
Ref. No.
Application / Function
IC1
VFD DRIVER
IC3
REMOTE SENSOR
Q1
GREEN LED SW
Q2
RED LED SW
Q21
PAN SW5V

DAUGHTER UNIT (X89-2690-10)

Ref. No.
Application / Function
Q221,222
2-PREOUT MUTE
Q225
2-PREOUT MUTE
4
COMPONENTS DESCRIPTION
Serial audio data switch.
3.3V power supply for IC2.
3.3V to 5.0V.
3.3V to 5.0V.
LD driver.
Switch for anticipation sub-beam delay.
"ON" when the base goes "H".
"ON" when the base goes "H".
"ON" when the base goes "H".
"ON" when the base goes "H".
"ON" when the base goes "H".
Operation / Condition
Operation / Condition
Operation / Condition

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