DPX-MP5070
3
●
MAIN PWB UNIT
Ref. No.
Application / Function
Operation / Condition
IC1
MAIN
µ
-COM
Main microcomputer
IC2
MUTE
IC3
RST
IC4
SECURITY ROM
IC5
ROM COL
IC151
PLL
TUNER PLL
IC201
CAS MO DRV
Cassette motor DRV
IC250
CAS EQ
Cassette audio EQ
IC301
E-VOL
Electronic volume
IC303
WOW
WOW
IC304
WOW FOCUS
IC306
AUDIO SEL
Cassette, MD and
TUNER audio switching
IC501
PWIC
Output amplifier
Q1
RST SW
Q101
FM_VCC SW
Q102
MONO SW
Q151
FM/AM_Vt DRV
Q304
EVOL MUTE SW
Q321
MUTE_SPEANA SW
Q322
SPEANA LEVEL AMP
Q323
WOW-FOCUS SW
Q551~554
PRE MUTE DRV
Pre-out mute SW
Q555,556
PRE MUTE SW
Q618,619
P_CON SW (P-ANT SW)
Q620
P-ANT SW
Q621
ACC-DET SW
Q640
A8V AVR
Audio 8V power supply
Q641,642
S7.5V AVR
CD, MD mechanism 7.5V
power supply
Ref. No.
Application / Function
Operation / Condition
Q643
BU5V AVR
Q644
MOTOR+B SW
Cassette motor power
supply (Main motor)
Q645
M SW
Cassette motor power
supply (Sub-motor)
Q646
PON SW
Q647
A8V AVR
Audio 8V power supply
Q648
S7.5V AVR
CD, MD mechanism 7.5V
power supply
Q649
BU5V AVR
Q650
D5V AVR
CD, MD mechanism 5V
power supply
Q651
SW5V DRV
Q652
PON SW
Q653
SW5V SW
Q654
D5V AVR
CD, MD mechanism 5V
power supply
Q655
MOTOR+B SW
Cassette motor power
supply (Main motor)
Q656
M SW
Cassette motor power
supply (Sub-motor)
Q660
PON-ILL SW
Q661,662
LED11V AVR
LED 11V power supply
Q670
B SW
Q671,672
FAC11V AVR
FAC 11V power supply
●
COMBI PWB UNIT
Ref. No.
Application / Function
Operation / Condition
IC901
LCD DRV
LCD driver
IC902
SPEANA
IC904
REMO
Remote controller light
receptor
Q901
BK
Q902,903
FL_VDD1 SW
Q904
LED_BLUE SW
Q905,906
FL_VDD2 SW
Q907,908
PANEL_SW5V
Q909
LED_BLUE SW
Q951
LED_RED SW
COMPONENTS DESCRIPTION
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