Components Description; Main Unit - Kenwood KNA-DV2200 Service Manual

KNA-DV2200

MAIN UNIT

Ref.No. Component Name
IC101 BA9743AFV
IC103 SCI7810YTA
IC104 BA05FP
IC105 TC75W56FU
IC106 PQ07VZ012ZP
IC107 SCI7720YFA
IC110 KKQ32F
IC201 HD6417750F167I
IC202 KKQ28F
IC301 CXA2106R
IC302 TC7SH00F
IC303 KKQ22F
IC352 UPC842G2
IC353 TC7W53FU
IC357 TC7SET08F
IC402 SN65C1168NS
IC403 TC74VHC00FT
IC433 TC7SU04F
IC435 TC7SU04F
IC437 TC7SU04F
IC438 UPC29L03T
IC451 TD62604F
IC452 TC7WU04FU
IC606 TC7SET00F
IC701 PQ1R52
IC801 KKQ27F
IC802 TC7SU04F
IC809 TC7SU04F
IC810 TC7SU04F
IC901 MB81F121642102
IC902 MB81F121642102
IC903 TC7SH08F
IC904 TC7SH00F
IC905 KKQ31F
IC906 TC55V400FT-85
IC951 TC74LCX16245AF
IC952 TC74LCX32F
IC953 TC74LCX16244AF
IC954 TC7WH125FU
IC955 TC74LCX138F
T101 2SJ327Z
T102 RN1404
4

COMPONENTS DESCRIPTION

Application/Function
Switching regulator IC DC/DC Converter voltage controller for 6.8V and 3.3V power lines
AVR IC 3.3V output
AVR IC 5V output
Comparator ACC & BU voltage detector
AVR IC 1.8V output
Reset IC When momentary power down has detected, IC outputs "Lo".
Reset MI-COM Reset controller for Main CPU and peripheral circuits
Main CPU (SH4)
Data controller Data selector of data bus
Video DAC+NTSC encoder
NAND
Graphics controller Graphics data generator (FMU III)
Op. Amp. Audio and beep signal adder and buffer
Analogue SW
AND Audio mute control signal generator
Line transceiver
NAND Data buffer
Inverter
Inverter
Inverter
AVR IC 3V output
Variable threshold driver
Inverter Vehicle speed pulse waveform shaping
NAND
AVR IC 5.2V output
IO PULS Extended IO
Inverter
Inverter
Inverter
SDRAM 128M
SDRAM 128M
AND SH-CKE buffer
NAND CSRAM buffer
BOOT ROM 2M
SRAM 256K
Bus transceiver PCMCIA I/F (Data input/output buffer)
OR PCMCIA I/F (CF card detector)
Bus buffer PCMCIA I/F (Address and control signals buffer)
Bus buffer PCMCIA I/F (CF card CE control)
Data decoder PCMCIA I/F (CF card input/output control decoder)
PON SW While ACC is applied and IC110's P37 is "Hi", BU is supplied throu T101.
PON SW While ACC is applied, T102 is turned on.
Operation/Condition/Compatibility
Clock buffer
RS422 transceiver
Vehicle signals waveform shaping
DVD interrupt signal buffer (3V→5V level converter)