Kenwood DDX3028 Service Manual page 5

SUB UNIT
●
Ref. No Application / Function
IC201 Video buffer
IC211 Video selector IC
IC231 Video selector IC
IC241 Analogue IC
PANEL-A UNIT
●
Ref. No Application / Function
IC401 Croma γ T/C Scaller, APP MICOM
IC404 Logic IC
IC405 Regulator
IC406 Logic IC
IC431 128Mbit SDRAM IC
IC441 64Mbit FLASH ROM
IC501 Regulator
IC511 OP-AMP X 2
Q4001,4002 Transistor
Q4601 Transistor
Q4611 Transistor
Q4621 Transistor
Q4631 Transistor
Q5201~5203 Transistor
Q5301,5302 Transistor
PANEL-B UNIT
●
Ref. No Application / Function
IC651 Remote control module
Q6001~6004 Transistor
Q6005 Transistor
Q6006~6009 Transistor
Q6010,6011 Transistor
Q6201 Transistor
Q6202 Transistor
Q6203 Transistor
BT UNIT
●
Ref. No Application / Function
IC301 BLUETOOTH MCU IC
IC302 16Mbit FLASH ROM
IC303 128Mbit SDRAM IC
IC304 Fixed Current Limit Power Distribution Switch High side Switch For BLUETOOTH DONGL
IC311 EEPROM
IC331 DAC IC
IC332 OP-AMP X 2
IC341 OP-AMP X 2
COMPONENTS DESCRIPTION
AVOUT Video driver with LPF
Video selector to AVOUT
Video selector to LCD
VIDEO ISO AMP
Croma γ T/C Scaller, APP MICOM
APPCLK buffer
1.2V Regulator IC
Vsync 1.0V→3.3V convert
SDRAM for Image signal preservation
FLASH ROM for MN103SH23
9.2V Regulator IC
VCOM AMP
Vsync control
VIDEO buffer
VIDEO buffer
VIDEO buffer
VIDEO buffer
18V Regulator
-6V Regulator
Remote control sensor
LCD Constant current circuit
18V Regulator
LCD Constant current circuit
18V Regulator controller
LED B Constant current circuit
LED G Constant current circuit
LED R Constant current circuit
BLUETOOTH controller
FLASH ROM for BLUETOOTH MCU IC
SDRAM for BLUETOOTH MCU IC
Memory
DAC for BLUETOOTH Audio
LPF for BLUETOOTH Audio
AMP for BLUETOOTH MIC
DDX3028/3048/3058/318/4038/4038M
DDX4028BT/4038BT/4038BTM/4048BT/4058BT/418
Operation / Condition / Compatibility
Operation / Condition / Compatibility
Operation / Condition / Compatibility
Operation / Condition / Compatibility
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