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Ref. No.
Application / Function
Q202
Acc Detect SW
Q204
Surge Detect SW
Q205
B.U Detected SW
Q207
Small-lamp Detect SW
Q208,209
Power Antenna SW
Q210
Pre-out mute driver
Q402,403
AM+B SW
Q450
DSI Driver
Q600~602
Pre-Amp +9V AVR
Q603~605
Pre-Amp -9V AVR
Q606,607
AUDIO 10.5V AVR
Q608~615
Pre-out mute SW
Q800,802
REF+B AVR
Q801
SVR6.8V Ref Supply AGC Controller
Q901
VFD&USB5V AVR SW
Q902
Mecha digital AVR SW
Switching Regulator frequency control SW
Q903
(IC901)
Q981~983
SW16V (Surge Protection)
SWITCH UNIT (X16-3540-14)
Ref. No.
Application / Function
ROM IC
IC1
FLASH ROM IC
PANEL µ-COM
IC4
IC5
RESET IC
IC6
REMOTE CONTROL IC
IC7
BUFFER IC
IC8
BUFFER IC
IC9
BUFFER IC
IC10
2.5V REGULATOR
IC11
3.3V REGULATOR
TRIANGLE GREEN
Q1
LED SW
COMPONENTS DESCRIPTION
When Q202'base gose Hi, Acc voltage is detected.
When Q204'base goes Hi, Surge voltage is detected.
When Q35'base gose Hi, B.U voltage is detected.
When Q207'base goes Hi, Small-lamp is detected.
When Q206'base goes Hi, power antenna switch outputs 14V.
When a base gose Lo, mute driver is turned on.
When Q403'base gose Hi, AM+B is outputs.
DSI lights when the base is "L".
DSI turns off when the base is "H".
DSI turns on and off when panel is taken off.
Q600 and 602 works as a differential amplifier, Q601 works as a driver and
+9.4V is supplied to OP Amp for Pre-out.
Q603 and 605 works as a differential amplifier, Q604 works as a driver and
-9.1V is supplied to OP Amp for Pre-out.
When Q606'base goes Hi,AVR outputs 10.5V.
When a base gose Hi, Pre-out is set to mute.
When Q800'base goes Hi, AVR outputs 13V.
When the voltage of B.U voltage falls, a return is hung and an output is reduced.
When base goes Hi, VFD & USB5V AVR on.
When base goes Hi, Mecha digital AVR on.
∗ DXM-680∗ : 5V
2pin
1pin
L
H
When Q983'2 pin goes Hi, SW16V outputs (BU-0.6) V.
Graphics data included
When panel is attached, IC5 active
Remote control receiver
It is change into 3.3V from 5V
It is change into 5V from 3.3V
For Control ED1
The power supply For 2.5V
The power supply For 3.3V
Triangle green LED is lighting when Q1's base level goes "H"
KDC-MP832U
Operation / Condition / Compatibility
L
H
430kHz
600kHz
650kHz
820kHz
Operation / Condition / Compatibility
5
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