5
DPX-MP3110/MP3110S
DPX-MP5110U/MP5110US
COMPONENTS DESCRIPTION
●
ELECTRIC UNIT (X34-573x-xx)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC10
AUD8V REF Power Supply
Outputs 1.27V.
IC70
USB5V
Switching regulator.
IC200
Audio Processor
Sound enhancer.
IC201
Level SW
Sound enhancer level control.
IC320
Buffer AMP & AGC
Buffer and auto gain control for spectrum analyzer.
IC450
Power IC
Ampli
fi
es front L/R and rear L/R to 50W maximum.
IC470
Source Selector & E-VOL
Select source & Full source volume. Speaker out “DC-Offset” detection and protection.
(This function consists of IC450 and IC470)
IC500
System
μ
-COM
System control & Power management.
(Panel, AM/FM, Changer, External product, CD mechanism, X17 unit)
IC501
System
μ
-COM Reset Control
Outputs Lo (system
μ
-com reset) when detection voltage goes below 3.6V or less.
IC502
Mute Logic
Controls mute logic.
IC690
Level Shift (MP3110/S)
From system
μ
-com to CD mechanism.
IC690
Level Shift (MP5110U/US)
From system
μ
-com to X17 unit.
IC691
Level Shift (MP3110/S)
From CD mechanism to system
μ
-com.
IC691
Level Shift (MP5110U/US)
From X17 unit to system
μ
-com.
Q10
AUD8V AVR
Outputs 8V when system power supply is ON.
Q11
SW14V
POWER ON in active time.
Q20,21
BU5V AVR
Always outputs 5V.
Q22,23
SW5V
POWER ON in active time.
Q30,31
Servo AVR
CD mechanism servo
Q45,46
SW20V (MP5110U/US)
For IC70.
Q50-52
ILLUMI AVR
Outputs 10V when system power supply is ON.
Q120
BU DET SW
Detects backup voltage. ON if BU is good.
Q122
ACC DET SW
Detects ACC voltage. ON if ACC is good.
Q123
Surge DET SW
Detects over-input voltage when this transistor is ON.
Q140-143
Power Control SW
POWER ON in active time.
Q150,151
Power Antenna SW
AM/FM source in active time.
Q180
Small Lamp DET SW
Detects small lamp when this transistor is ON.
Q200,201
Sound Enhancer Level Control SW
SE Hi: Q200 is active. Bass Hi: Q201 is active.
Q320
Spectrum Analyzer AGC
When this circuit has an excessive input, a return is stopped and an output is reduced.
Q340,341
AM+B SW
AM source in active time.
Q400
Preout Mute SW
Front Lch
Q401
Preout Mute SW
Front Rch
Q402
Preout Mute SW
SW/Rear Lch
Q403
Preout Mute SW
SW/Rear Rch
Q404
Preout Mute Driver
(Front/Rear) When this transistor is ON, mute works.
Q405
Preout Mute Driver
(SW) When this transistor is ON, mute works.
Q550
DSI Driver
POWER ON and DSI ON in active time.
Q551
PANEL5V SW
POWER ON in active time.
