4
KNA-DV
2200
MAIN UNIT
Ref.No.
Component Name
Application/Function
Operation/Condition/Compatibility
IC101
BA9743AFV
Switching regulator IC
DC/DC Converter voltage controller for 6.8V and 3.3V power lines
IC103
SCI7810YTA
AVR IC
3.3V output
IC104
BA05FP
AVR IC
5V output
IC105
TC75W56FU
Comparator
ACC & BU voltage detector
IC106
PQ07VZ012ZP
AVR IC
1.8V output
IC107
SCI7720YFA
Reset IC
When momentary power down has detected, IC outputs “Lo”.
IC110
KKQ32F
Reset MI-COM
Reset controller for Main CPU and peripheral circuits
IC201
HD6417750F167I
Main CPU (SH4)
IC202
KKQ28F
Data controller
Data selector of data bus
IC301
CXA2106R
Video DAC+NTSC encoder
IC302
TC7SH00F
NAND
Clock buffer
IC303
KKQ22F
Graphics controller
Graphics data generator (FMU III)
IC352
UPC842G2
Op. Amp.
Audio and beep signal adder and buffer
IC353
TC7W53FU
Analogue SW
IC357
TC7SET08F
AND
Audio mute control signal generator
IC402
SN65C1168NS
Line transceiver
RS422 transceiver
IC403
TC74VHC00FT
NAND
Data buffer
IC433
TC7SU04F
Inverter
IC435
TC7SU04F
Inverter
IC437
TC7SU04F
Inverter
IC438
UPC29L03T
AVR IC
3V output
IC451
TD62604F
Variable threshold driver
Vehicle signals waveform shaping
IC452
TC7WU04FU
Inverter
Vehicle speed pulse waveform shaping
IC606
TC7SET00F
NAND
DVD interrupt signal buffer (3V
→
5V level converter)
IC701
PQ1R52
AVR IC
5.2V output
IC801
KKQ27F
IO PULS
Extended IO
IC802
TC7SU04F
Inverter
IC809
TC7SU04F
Inverter
IC810
TC7SU04F
Inverter
IC901
MB81F121642102
SDRAM
128M
IC902
MB81F121642102
SDRAM
128M
IC903
TC7SH08F
AND
SH-CKE buffer
IC904
TC7SH00F
NAND
CSRAM buffer
IC905
KKQ31F
BOOT ROM
2M
IC906
TC55V400FT-85
SRAM
256K
IC951
TC74LCX16245AF
Bus transceiver
PCMCIA I/F (Data input/output buffer)
IC952
TC74LCX32F
OR
PCMCIA I/F (CF card detector)
IC953
TC74LCX16244AF
Bus buffer
PCMCIA I/F (Address and control signals buffer)
IC954
TC7WH125FU
Bus buffer
PCMCIA I/F (CF card CE control)
IC955
TC74LCX138F
Data decoder
PCMCIA I/F (CF card input/output control decoder)
T101
2SJ327Z
PON SW
While ACC is applied and IC110’s P37 is “Hi”, BU is supplied throu T101.
T102
RN1404
PON SW
While ACC is applied, T102 is turned on.
COMPONENTS DESCRIPTION