Components Description; Synthesizer Unit (X14-912X-Xx) - Kenwood FGZ80EF2 Instructions For Use Manual

7-inch multi display

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SYNTHESIZER UNIT (X14-912x-xx)

Ref. No.

IC1

Reset IC (when resets at the time of backup power supply is OFF)

IC2

Inverter IC (audio unit control and microprocessor program writing)

CAN microprocessor (control of a setup and ADA voice synthesis of the connection existence distinction quality of image of

IC3

a communication rear camera and an AUX terminal with a car unit and TV tuner)

System microprocessor (surveillance of communication internal electrical power source control and a power supply with the

IC5

setting audio unit and NAVI unit of the control video sauce, the screen zoom, and the brightness of the control and the

graphic microprocessor of a CAN microprocessor, and the abnormalities in temperature)

IC7

EEP-ROM (memory of a receiving TV station name and touch-panel compensation data for memory)

IC8

CAN transceiver (communication with a car unit)

IC9

Reset IC (detection of the 5V power supply )

IC10

OP AMP IC (LR sound MIX of NAVI audio and bias of power supply an internal audio circuit)

IC12

Analog SW (port SW at the time of microprocessor program writing)

IC13

OP AMP with SW (change of a NAVI sound and an ADA sound)

IC16

Buffer IC (the microprocessor is protected from a communication line with a NAVI unit)

IC17

BUS transceiver (communication with an audio unit)

IC18

Regulator IC (5V power supply of a system microprocessor)

IC19

Regulator IC (analog system 7.5V power supply)

L 13942296513

IC20

DC/DC controller IC (power supply of without system microprocessor and key illumination circuit)

IC21

Reset IC (it resets at the time of the abnormal of function for system microprocessor)

IC800

Isolation AMP (noise removal of a NAVI audio sound)

Audio MUTE SW

DC/DC controller power supply

Microprocessor reset SW (at the time of power-supply ON/OFF is ON : CAN microprocessor is reset mode)

Key illumination tone light detection (it turns on at the time of a illumination PWM input)

Temperature detection SW (at the time of ACC → ON is ON : temperature detection mode start)

Q7~11

Video setup SW (it is ON/OFF by screen mode and adjustment)

Q12,15,16

Audio control SW (at the time of the audio communication is ON : Q16 is ON, at the time of OFF : Q15 is ON)

Q17

Audio MUTE (at the time of power supply ON/OFF MUTE is ON)

Q18

Audio control SW (at the time of the audio communication is ON : Q16 is ON, at the time of OFF : Q15 is ON)

Q19

Microprocessor power supply SW (at the time of CAN microprocessor program writing is OFF)

Q20

Audio SW (at the time of ADA audio out is ON)

Q24

Power supply voltage dropout detection (when turns off at the time of backup power supply voltage dropout)

Q25

Microprocessor power supply SW (at the time of CAN microprocessor program writing is OFF)

Q26

Voltage detection (at the time of Q26 : ON backup power supply voltage detection)

Q28

Voltage detection (at the time of Q26 : ON backup power supply voltage detection)

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Q29,30

Constant voltage power supply (backup 5V power regulator)

Q31

Constant voltage power supply (at the time of Q61 is ON : +18.5V output)

Q32

DC/DC controller power supply

Q33

Over-current detection (at the time of 18.5V over-current detection the controller power supply is OFF)