Components Description - Kenwood DPX-4020 Service Manual

G SYNTHESIZER UNIT (X14-6710-XX)
Ref.No. Component Name
IC1 MN101C15FCP
IC2 TDA7407
IC3 TC4066BF(N)
IC4 M65849BFP
IC5 BA3129F
IC7 TA8263BH
IC8 LB1641
IC9 PST9135NR
IC10 TC7W02FU
IC11 M5237ML
Q1 2SC4081
Q2 CPH3105
Q3 CPH3105
Q4 FMG1A
Q101 2SB1443
Q102 DTC144EK
Q201 DTC143TK
Q202 DTC143TK
Q301 DTC143TK
Q302 DTC143TK
Q401 DTC124EUA
Q402 FMC2A
Q403 DTC144EUA
Q404 DTC144EUA
Q405 DTA114EUA
Q406 DTA114EUA
Q407 DTA114EUA
Q601 DTC114YUA
Q602 DTA124EUA
Q701 DTC144EUA
Q702 FMW1
Q703 DTC144EUA
Q705 DTA124EUA
Q706 2SB1277(Q,R)
Q707 2SA1037K
Q708 DTA124EUA
Q709 DTC114YUA
Q710 2SB1277(Q,R)
Q711 DTC114YUA
Q712 2SB1548(P)
Q713 2SC4081
Q714 IMD16A
Q715 FMC2A
Q716 2SB1548(P)
Q717 2SD1766
Q718 FMC2A
Q719 2SB1548(P)
Q720 2SC4081
Q724 2SB1548(P)
Q901 FMC3A
Q902 2SB1446
Q903 2SC4081

COMPONENTS DESCRIPTION

Application/Function
System micom
Electronic volume
Analog SW
DSP IC
Switching ope-amplifier
PWR IC
Motor driver
Reset IC
Logic IC(OR)
Power source IC
Power source SW for F/E VDD 5V
Power source SW for FM
Power source SW for AM
Power source control SW for FM/AM
Power source SW for main motor
Power source control SW for main motor
MUTE SW
MUTE SW
MUTE SW
MUTE SW
SW for electronic volume mute
SW for analog switch control
SW for switching ope-amplifier control
SW for power IC mute terminal contorol
Control terminal for MUTE (preout)
Control terminal for MUTE (preout)
SW for electronic volume mute
SW for system micom reset
SW for RESET IC output
SW for BU serge detection
SW for BU/ACC detection
SMALL detection SW
SW for external amplifier control
SW for P-CON
SW for P-CON over-electric current protect ON:Stop P-CON output
Control SW for P-CON over-electric current protect ON:Stop P-CON output
Control switch for P-CON
SW for P-ANT
Control switch for P-ANT
Power source switch for BU 5V
Power source switch for BU 5V (Darling ton)
Power source switch for PON 5V
Power source control switch for analog+B
Power source switch for analog+B
Power source switch for DSP+B
Power source control switch for servo+B
Power source switch for servo+B
Power source switch for servo+B(Darling ton) ON:Servo+B 7.5V output
Power source switch for servo+B
Power source control switch for ILLUMI+B ON:ILLUMI+B 14.4V output
Power source switch for ILLUMI+B (Darling ton) ON:ILLUMI+B 14.4V output
Power source switch for ILLUMI+B
DPX-4020
Operation/Condition/Compatibility
Voice signal input switching (CD,.MD,CASSETTE)
Voice signal output switching (FRONT,.REAR)
For cassette mechanism sub-motor
Reset 3.5V voltages
Rogic circuit for MUTE
Reg for A8V
ON:F/E VDD 5V output
ON:FM+B 8V output
ON:AM+B 8V output
ON:FM+B/AM+B 8V output
ON:Main motor ON
ON:Main motor ON
ON:MUTE
ON:MUTE
ON:Temperature protection OFF (Test mode)
ON:MUTE
ON:MUTE
ON:MUTE
ON:REEST
ON:REEST
ON:Serge(power down)
ON:Power down
ON:SMALL ON
ON:P-CON output
ON:P-CON output
ON:P-ANT output
ON:P-ANT output
ON:PON 5V output
ON:Analog+B 8V output
ON:Analog+B 8V output
ON:DSP+B 5V output
ON:Servo+B 7.5V output
ON:Servo+B 7.5V output
ON:Servo+B 7.5V output
ON:ILLUMI+B 14.4V output
3