Components Description - Kenwood DDX3028 Service Manual

DDX3028/3048/3058/318/4038/4038M
DDX4028BT/4038BT/4038BTM/4048BT/4058BT/418
● MAIN UNIT
Ref. No
IC11 Tuner IC
IC101 Power IC
IC141 Electric Vol IC
IC151 NOR Logic IC
IC191 OP-AMP X 2
IC261 Vdeo selector IC
IC701 MCU IC
IC721 EEPROM
IC731 Voltage detect IC
IC751 AND Logic IC
IC761 AND Logic IC
IC762 AND Logic IC
IC801 Regulator
IC802 Regulator
IC803 DCDC control IC
IC821 Regulator
IC831 Regulator
IC851 Regulator
Q717 Transistor
Q731 Transistor
Q791 Transistor
Q801~805 Transistor
Q821,822 Transistor
Q871 SW FET
Q872~875 Transistor
Q921,922 Transistor
Q971,972 Transistor
Q1121 Transistor
Q1221 Transistor
Q1301,1302 Transistor
Q1341 Transistor
Q1501~1505 Transistor
Q1507,1508 Transistor
Q1941 Transistor
Q1951 Transistor
Q1961 Transistor
Q6221~6224 Transistor
Q8021,8022 Transistor
Q8101 SW FET
Q8102,8103 Transistor
Q8104 Transistor
Q8201 SW FET
Q8202,8203 Transistor
Q8301 Transistor
4

COMPONENTS DESCRIPTION

Application / Function Operation / Condition / Compatibility
FM/AM Tuner
Power AMP
Audio Vol Control, Audio Signal Select
AMUTE control
DVD Audio LPF
RGB or YCbCr selector
System control IC
Memory
Reset signal generate at 2.4V
REMOCON signal MIX circuit
Navi RX 3.3V→5.0V convert
Navi TX 5.0V→3.3V convert
System DC Regulator IC
D5V DCDC convertor IC
D3.3V/24.5V/-20V DCDC convertor IC
For BU3.3V Regulator IC
USB5V DCDC convertor IC
15V Regulator IC
SI control
AMUTE control
TOUCH control
System DC control
3.3V Power Supply control
SW14V ON/OFF
SW14V control
FAN control
BU_DET control
PRE_OUT_Mute
PRE_OUT_Mute
PWIC control
AV_OUT_Mute
AMUTE control
AMUTE control
PARKING control
ILLUMI control
REVERSE control
TOUCH control
DCDC ERROR_DET
DCDC SW FET (D3.3V)
DCDC control
DCDC ERROR_DET
DCDC SW FET (24.5V, -20V)
DCDC control
DCDC control