3
KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046
/MP245/MP246AM/MP246G/MP246S/MP3046
COMPONENTS DESCRIPTION
●
SWITCH UNIT (X16-674x-xx)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC1
VFD Driver
IC3
Remote Control Sensor
●
ELECTRIC UNIT (X34-659x-xx)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC1
System
μ
-COM
Controls FM/AM tuner, CD mechanism, panel, volume and tone.
IC2
E-VOL
Controls the source, volume and tone.
IC4
Power Supply IC
Outputs 5Vx2, 8.3V, 10.2V, P-CON, P-ANT.
IC6
Power IC
Ampli
fi
es the front L/R and the rear L/R to 50W maximum.
IC7
RDS IC
RDS decoder.
IC8
Reset IC
Lo when detection voltage goes below 3.6V.
IC501
Tuner IC (ATomIC)
Tuner IC.
IC900
Bolero
μ
-COM
CD mechanism control.
IC902
3.3V/1.5V AVR
Power supply for D+3.3V/1.5V.
Q2,3
Servo+B AVR
When Q3's base goes Hi, AVR outputs 7.5V.
Q7
CONT SW for ILLUMI&VFD+B
ON when the base goes Hi.
Q8,9
ILLUMI&VFD+B
When Q9's base goes Hi, ILLUMI&VFD+B AVR outputs 11V.
Q10
CONT SW for ILLUMI&VFD+B
ON when the Q7's base goes Hi.
Q11,12
CONT SW for Servo+B
ON when the base goes Hi.
Q13
CONT SW for IC4
ON when the base goes Hi.
Q14
CONT SW for IC4
ON when the base goes Lo.
Q101
ACC DET
ON when the base goes Hi during ACC is applied.
Q102
Surge DET
When the base goes Hi, surge voltage is detected.
Q103
BU DET
ON when the base goes Hi during BU is applied.
Q104,105
Mute CONT
ON when the base goes Hi.
Q301
Panel 5V SW
ON when the base goes Lo.
Q701~704
Pre-out Mute SW
When a base goes Hi, pre-out is muted.
Q705
Mute Driver for Pre-out
ON when the base goes Lo.
Q900
3.3V SW for MECHA
When the base is Lo, 3.3V is ON.
Q901~903
Level Shift
System
μ
-COM (5V)
↔
Bolero
μ
-COM (3.3V).
Q904
1.5V SW for IC900
When the gate is Hi,1.5V is ON.
Q905
CD Mute SW
When the base is Hi, CD is muted.
●
CD PLAYER UNIT
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC1
CD Driver
Driver for loading/eject motor, feed motor, spindle motor, focus coil and tracking coil.
Q101
SW Control
For SW1.
Q111,112
SW Power Supply Control
Q201
SW Control
For SW2.
Q301
Photo TR
For SW1.
Q302
Photo TR
For SW2.
