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CKDC-MP572V
5
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC6
Muting control IC
Control for timing for mute
IC8
Reset IC
When detection voltage goes below 3.5V or less Reset IC output change to “L” signal
IC9
Switching regulator
Power supply for CD mecanism unit
Q1
Surge detection
When backup voltage become more than 24V output is “L” (momentary power down) /
When backup voltage become less than 24V output is “H”
Q2
Backup detection
When BU voltage supplied output is “L” /
When BU voltage not supplied or momentary power down is detected output is “H”
Q3
ACC detection
When ACC voltage supplied output is “L”
Q4
SW 5V
When base voltage is “L” Q4 is ON
Q21,24
AVR
Servo regulator
Q22
SW
Servo SW
Q41
SW
Switching regulator control SW
Q151
DSI driver
When base voltage level is “L” DSI LED is light up / When base voltage level is “H” DSI LED
turns off / When panel assy is pull off, cut off the supply to panel 5V AVR.
Q201
Buffer amp
Noise buffer amp
Q252
For surge measure of audio power IC
When base voltage to “L”, for control to power IC function (STAND BY)
Q350
Pre & NF mute SW
When base voltage to “L”, drive to pre & NF mute SW (Q351)
Q351
Pre mute SW
When base voltage to “H”, muting to the pre Lch or NF Lch line
Q352
Pre mute SW
When base voltage to “H”, muting to the pre Rch or NF Rch line
Q401
DSI illumination SW
When base voltage to “H”, DSI illumination is light up.
COMPONENTS DESCRIPTION
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