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 Amplifies 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.
