5
KDC-MP928/PSW9531
/PSW9531Y, XXV-01D
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC451
G-Analyzer
Analog gravity sensor
IC500
Spectrum analyzer Buffer AMP & AGC
It is buffer and auto gain control for spectrum analyzer
IC600
±
9V AVR
Power supply for 5V Pre Out OP-AMP
IC601~603
5V Pre-out AMP
Output buffer and gain control
IC750
Power IC
Amplifies the front L/R and the rear L/R to 50W maximum
IC800
Audio3.3V Ref Supply
Audio3.3V Ref supply to electrical volume and all low pass filters
SVR6.8V Ref Supply
SVR6.8V Ref supply to power IC
IC901
Switching Regulator
Mecha digital (DXM-680x : 4V)
IC902
Switching Regulator Controller
Power Supply for OEL & PANEL ROM
CH1 : ROM (3.3V), CH2 : OEL (7.1V)
Q10,11
Audio8V AVR
When Q11’s 2pin goes Hi, A8V AVR outputs 8.0V
Q12
SW14V
When Q12’s 2pin goes Hi, SW14V outputs 14V
Q20,21
B.U.5V AVR
While BU is applied, BU5V AVR o5V
Q22,23
SW5V
When Q23’s base goes Hi, SW5V o5V
Q30,32
Moter+B AVR (Panel Mecha)
When Q9’s base goes Hi, Moter+B AVR outputs 7.5V
Q31,33
Servo+B AVR
When Q33’s base goes Hi, Servo+B AVR outputs 8.5V
Q40,42,45
Panel5V AVR
When Q42’s 2pin goes Hi, Panel5V AVR outputs 5V
Q41,43,44
Illumination AVR
When Q43’s 2pin goes Hi, Ill AVR outputs 10.5V
Q51,901~904
SW16V (Surge Protection)
When Q51’s 2pin goes Hi, SW16V outputs 13V
Q91
Panel5V Discharge SW
When Q91’s base goes Hi, Panel5V is discharged
Q100,101
Panel Detect SW
When Q100’s base goes Lo, panel is detected
Q200,201
Pre-out mute driver
When a base gose Lo, mute driver is turned on
Q202
Acc Detect SW
When Q202’s base gose Hi, Acc voltage is detected
Q203,204
Surge Detect SW
When Q204’s base goes Hi, IC750 is changed into a standby state
Q205
B.U Detected SW
When Q35’s base gose Hi, B.U voltage is detected
It is buffer for IC102 output
When Q207’s base goes Hi, Small-lamp is detected
When Q206’s base goes Hi, power antenna switch outputs 14V
When base goes Lo, DSP is set to mute
When Q403’s 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
Spectrum analyzer AGC Controller
When this circuit has an excessive input, a return is hung and an output is reduced
Q600~602
Pre-Amp +9V AVR
Q600 and 602 works as a differential amplifier, Q601 works as a driver
and +9.4V is supplied to OP Amp for Pre-out
Q603~605
Pre-Amp -9V AVR
Q603 and 605 works as a differential amplifier, Q604 works as a driver
and -9.1V is supplied to OP Amp for Pre-out
Q606,607
AUDIO 10.5V AVR
When Q606’s base goes Hi, AVR outputs 10.5V
Q608~613
Pre-out mute SW
When a base gose Hi, Pre-out is set to mute
Q800,802
REF+B AVR
When Q800'base goes Hi, AVR outputs 13V
COMPONENTS DESCRIPTION
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