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● ELECTRIC UNIT (X34-3xxx-xx)
Ref. No.
IC1
DSP ANALOG POWER SUPPLY
IC3
DAC DIGITAL POWER SUPPLY
IC4
DAC ANALOG POWER SUPPLY
IC5
DSP DIGITAL POWER SUPPLY
IC10
AUDIO8V REF POWER SUPPLY
IC60
SWITCHING REGULATOR CONTROLLER
IC80
FL+B
IC100
RESET IC
SYSTEM µ-COM
IC102
IC103
MUTE DRIVER
IC104
E2PROM
IC200
POWER CONTROL IC
IC300
E-VOL & SOURCE SELECTOR
IC301,302
AUDIO BUFFER AMP
IC303
DSP
IC304
LEVEL SHIFT
IC305
DAC
TE
L 13942296513
IC306~308
AUDIO BUFFER AMP
IC400
RDS DECODER
IC450
PANEL MECHA MOTOR DRIVER
IC451
G-ANALYZER
IC500
SPECTRUM ANALYZER BUFFER AMP & AGC
±9V AVR
IC600
IC601~603
5V PREOUT AMP
IC750
POWER IC
IC800
AUDIO3.3V REF SUPPLY / SVR6.8V REF SUPPLY
Q10,11
AUDIO8V AVR
Q12
SW14V
Q20,21
B.U.5V AVR
Q22,23
SW5V
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Q30,32
MOTOR+B AVR (PANEL MECHA)
Q31,33
SERVO+B AVR
Q40,42,45 PANEL5V AVR
.
Q41,43,44 ILLUMINATION AVR
Q50~52
SW16W (SERGE PROTECTION)
COMPONENTS DESCRIPTION
Application / Function
x
ao
u163
y
i
KDC-MP828/W7531/W7531Y/W8531
2 9
8
Operation / Condition
3.3V output
5.0V output
5.0V output
3.3V output
1.27V output
VFD / Mechanism digital power supply.
OUT1 : VFD (4.7V), OUT2 : Mechanism digital (5V)
VFD power supply (57V)
"L" when detection voltage is 3.6V or less
FM/AM tuner / Changer / CD mechanism / Panel / Volume / Tone control
Mute control
Installer memory
Power control switching
Source / Volume / Tone control
DSP input LPF
Digital signal processing
Conversion from 3.3V to 5.0V
D/A Converter
Q Q
3
6 7
1 3
1 5
DAC output LPF
IN1
IN2
PANEL MECHA
L
L
WAIT
L
H
OPEN
H
L
CLOSE
H
H
STOP
Analog gravity sensor
Spectrum analyzer buffer / Auto gain control
5V pre-out power supply
Buffer/Gained control
Front L/R and a rear L/R signal amplification
Supplying audio 3.3V reference voltage to E-VOL/LPF
Supplying SVR6.8V reference voltage to IC750 (POWER IC)
When Q11 base is "H", A8V is output
When base is "H", SW14V is output
When backup is "ON", BU5V is output
When Q23 base is "H", SW5V is output
When Q9 base is "H", 7.5V MOTOR+B is output
co
When Q33 base is "H", 8V SERVO+B is output
When Q42 base is "H", PANEL5V is output
.
When Q43 base is "H", 10.5V ILLUMI voltage is output
When Q51 base is "H", SW16V (13V) is output
/W8531Y/X789/X8529/X889
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
3
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