Kenwood DDX3021 Service Manual page 12

2.2 COMPONENTS DESCRIPTION
2.2.1 MAIN UNIT
Ref. No. Application / Function Operation / Condition / Compatibility
IC11 Tuner IC
IC101 Power IC
IC141 Electoric Vol IC
IC152 AND Logic IC
IC153 AND Logic IC
IC181 Analogue IC
IC191 OP-AMP X 2
IC261 Vdeo selector IC
IC701 MCU IC
IC721 EEPROM
IC731 Voltage detect IC
IC751 AND Logic IC
IC801 Regulator
IC802 Regulator
IC803 DCDCcontrol IC
IC821 Regulator
IC831 Regulator
IC851 Regulator
IC931 SW FET
Q717 Transistor
Q731 Transistor
Q791 Transistor
Q801 Transistor
Q802 Transistor
Q803 Transistor
Q804 Transistor
Q805 Transistor
Q821 Transistor
Q822 Transistor
Q871 SW FET
Q872 Transistor
Q873 Transistor
Q874 Transistor
Q875 Transistor
Q931 Transistor
Q971 Transistor
Q972 Transistor
Q1121 Transistor
Q1221 Transistor
Q1301 Transistor
Q1302 Transistor
Q1341 Transistor
Q1401 Transistor
FM/AM Tuner
Power AMP
Audio Vol Control, Audio Signal
Select
Navi(SXI) TX 5.0V→3.3V convert
Navi(SXI) RX 3.3V→5.0V convert
Audio Isolation AMP
DVD Audio LPF
RGB or YCbCr selector
System control IC
Memory
Reset signal generate at 2.4V
REMOCON signal MIX curcuit
System DC Regulator IC
D5V DCDCconvertor IC
D3.3V/24.5V/-20V DCDC con-
vertor IC
For BU3.3V Regulator IC
USB5V DCDCconvertor IC
15V Regulator IC
STREMO control
SI control
AMUTE control
TOUCH control
System DC control
System DC control
System DC control
System DC control
System DC control
3.3V Power Supply control
3.3V Power Supply control
SW14V ON/OFF
SW14V control
SW14V control
SW14V control
SW14V control
Steering REMOCON control
BU_DET control
BU_DET control
PRE_OUT_Mute
PRE_OUT_Mute
PWIC control
PWIC control
AV_OUT_Mute
PRE_OUT_Mute
(No.WA022<Rev.001>)12/36
Ref. No. Application / Function Operation / Condition / Compatibility
Q1501 Transistor
Q1502 Transistor
Q1503 Transistor
Q1504 Transistor
Q1505 Transistor
Q1507 Transistor
Q1508 Transistor
Q1541 Transistor
Q1542 Transistor
Q1942 Transistor
Q1943 Transistor
Q1944 Transistor
Q1951 Transistor
Q1961 Transistor
Q8021 Transistor
Q8022 Transistor
Q8101 SW FET
Q8102 Transistor
Q8103 Transistor
Q8104 Transistor
Q8201 SW FET
Q8202 Transistor
Q8203 Transistor
Q8301 Transistor
2.2.2 SUB UNIT
Ref. No. Application / Function Operation / Condition / Compatibility
IC201 Video buffer
IC211 Video selector IC
IC231 Video selector IC
IC241 Analogue IC
AMUTE control
AMUTE control
AMUTE control
AMUTE control
AMUTE control
AMUTE control
AMUTE control
SXI PWREN cntrol
SXI PWREN cntrol
PARKING control
PARKING control
PARKING control
ILUMI control
REVERSE control
DCDC ERROR_DET
DCDC ERROR_DET
DCDC SW FET (D3.3V)
DCDC control
DCDC control
DCDC ERROR_DET
DCDC SW FET (24.5V-20V)
DCDC control
DCDC control
DCDC control
AVOUT Video driver with LPF
Video selector to AVOUT
Video selector to LCD
VIDEO Isolation AMP