Kenwood DDX3021, Service Manual

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