Kenwood DPX-3030, Service Manual

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COMPONENTS DESCRIPTION
Ref.No. Component Name Application/Function Operation/Condition/Compatibility
Q301 DTC144EUA E-VOL MUTE SW Muting transistor for electronic volume
Q351 DTC343TK SA MUTE Muting transistor for spectrum analyzer (from IC352)
Q352 2SC4081 SA AGC AGC transistor for spectrum analyzer
Q502 DTC114YUA AMP SVR SW SVR controlled for IC151 (from IC1: 77PIN)
Q601 2SA1703-AN P-ANT AVR AVR for P-ANT circuit
Q602 DTC114YUA P-ANT SW P-ANT control sw (from IC1: 90PIN)
Q603 2SA1703-AN P-CONT AVR AVR for P-CONT circuit
Q604 2SA1576A P-CONT PROTECTION Protection of P-CONT circuit
Q605 DTA124EUA P-CONT PROTECTION Protection of P-CONT circuit
Q606 DTC114EUA P-CONT SW Control sw for P-CONT (from IC1 : 91PIN)
Q611 2SC4081 BU ON/OFF DETECTION SW BU detection sw (to IC1: 26PIN)
Q612 2SC4081 ACC ON/OFF DETECTION SW ACC detection sw (to IC1: 89PIN)
Q613 DTC144EUA DIMMER DETECTION SW Dimmer detection sw (to IC1: 88PIN)
Q650 2SA1703-AN SERVO C AVR AVR for CD servo circuit (13.6V)
Q651 2SC4081 BU5V AVR AVR for BU5V line (5V)
Q652 2SB1565 (E,F) BU5V AVR AVR for BU5V line (5V)
Q653 2SC4081 SERVO C AVR AVR for CD servo circuit (13.6V)
Q654 IMD3AL 14V SW Control sw for SW14 circuit (from IC1: 96PIN)
Q655 2SD1760 DSP 5V AVR AVR for DSP 5V line (5V)
Q656 2SB1565 (E,F) AUDIO 8V AVR AVR for AUDIO 8V (8V)
Q657 2SC4081 AUDIO 8V AVR AVR for AUDIO 8V (8V)
Q658 DTA123JK 5V SW Control sw for SW5V circuit (from IC1: 97pin)
Q659 2SC4081 LED 11V AVR AVR for 3color LED (12V)
Q660 2SB1184 LED 11V AVR AVR for 3color LED (12V)
Q663 2SA1703-AN MOTOR+B AVR AVR for cassette mechanism motor (14V)
Q664 DTC114YUA MOTOR+B CONTROL SW Control sw for cassette mechanism AVR (from IC1: 99PIN)
Q665 IMD2A LED ON SW Control sw for 3coler LED AVR (from IC1: 98PIN)
SUB PWB UNIT
Ref.No. Component Name Application/Function Operation/Condition/Compatibility
IC850 BA3129F REAR/NON FADER SELECTOR SW Select for pre output
Q800 2SB1565 (E,F) SERVO 7.5V AVR AVR for CD mechanism unit (for servo circuit)
Q801 2SB1184 SERVO 7.5V AVR AVR for CD mechanism unit (for servo circuit)
Q802 2SC4081 SERVO 7.5V AVR AVR for CD mechanism unit (for servo circuit)
Q803 2SB1565 (E,F) MP3 5V AVR AVR for CD mechanism unit (for MP3 circuit)
Q804 2SC4081 MP3 5V AVR AVR for CD mechanism unit for MP3 circuit)
Q852 DTC124EUA N/F SEL SW Control sw for N/F (from IC1: 85PIN)
Q853A DTC343TK PRE MUTE Muting sw of pre out line (RL/NFL)
Q853B DTC343TK PRE MUTE Muting sw of pre out line (RR/NFR)
Q854A DTC343TK PRE MUTE Muting sw of pre out line (L)
Q854B DTC343TK PRE MUTE Muting sw of pre out line (R)
CONTROL PWB UNIT
Ref.No. Component Name Application/Function Operation/Condition/Compatibility
IC900 LC75808W LCD DRIVER LCD driver, key input signal to system microprocessor
IC901 RS-171 REMOTE CONTROL SENSOR Remote control sensor
Q900 DTA124EUA REMO. CONTROL SW AVR control for remote control sensor
Q902 DTA124EUA KEY CONTROL SW Control sw for key matrix line
Q903 2SC4081 LED GREEN CONTROL SW Green LED driver
Q904 2SC4081 LED BLUE CONTROL SW Blue LED driver
Q905 2SC4081 LED RED CONTROL SW Red LED driver
DPX-3030/MP4030
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