Components Description - Kenwood KNA-DV3100 Service Manual

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NAVI BOARD (W02-3395-15)
Ref. No. Application/Function
IC101 Comparator
IC102 IC
IC103 SW regulator
IC104 SW regulator
IC105 3 terminal regulator
IC106 Microcomputer
IC107 3 terminal regulator
IC108 3 terminal regulator
IC109 General purpose logic
IC111 General purpose logic
IC212 Point regulator
IC251 Non-inverter driver
IC254 General purpose logic
IC255 Analog multiplexer
IC256 General purpose logic
IC301 Ope-amp
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IC306 Ope-amp
L 13942296513
IC309 General purpose logic
IC310 Ope-amp
IC502 General purpose logic
IC521 RF-IC
IC522 Crystal oscillator
IC523 Comparator
IC524~526 General purpose logic
IC551 General purpose logic
IC561 General purpose logic
IC641 D/A converter
IC642 General purpose logic
IC684 Ope-amp
IC701 Microcomputer
IC731 3 terminal regulator
IC732,733 Point regulator
IC734 3 terminal regulator
IC751 Analog switch
IC752~755 128M-SDRAM
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IC781 4M-SRAM
IC782,783 General purpose logic
.
IC784 16M-FLASH
IC951 Line transceiver

COMPONENTS DESCRIPTION

Voltage detected
Voltage detected
8.3V power supply, 5V power source control
3.3V power supply, 1.5V power source control
Backup 3.3V power supply
Power supply, reset control
9V power supply
5V power supply
For voltage conversion from 3.3V to 5V
For mute signal generation
3V power supply
Vehicle-related signal generation
For SPD signal generation
For switching vehicle speed signal
For voltage conversion from 3.3V to 5V
For synthesizing voice signal
For voice signal for navigation system generation
For voltage conversion from 3.3V to 5V
For synthesizing voice signal
For voltage conversion from 3.3V to 5V
GPS signal
For GPS signal
For GPS antenna detection
For GPS signal
For HDD/DVD control signal generation
For EJECT signal generation
For video signal generation
For dot clock generation
For gyro sensor signal generation
CORE1
Backup 1.5V power supply
2.5V power supply
1.5V power supply
For CKE signal generation
16MB
512MB
x ao u163
y
For generating CS signal
i
2MB
RS422/TMC transceiver
KNA-DV3100/DV3200
2 9
8
Operation/Condition/Compatibility
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3 6 7 1 3 1 5
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9 4 2 8
0 5 8 2 9 9 4 2 8
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9 9
9 9
3