Kenwood GX-201KEF2, Руководство по обслуживанию

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GX-201KEF2/LEF2/REF2/SEF2
Ref. No. Application / Function Operation / Condition / Compatibility
Q802 Illumi detection For illumi detection
Q803 Reset output switch for F-BUS When resetting F-BUS, Hi output
Q804 NAVI mute switch When muting NAVI, Hi output
Q805 IF count detection When detecting IF count, Lo output
Q806 P-ANT circuit control switch When tuner, GND electric potential output
Q807 ACC detection When ACC ON detection, Lo output
Q808 IGN detection When IGN ON detection, Lo output
Q809 SYS_ON current buffer When SYS_ON Hi, Lo output
Q810 Hard reset switch When HARD_RESET ON, Lo output
Q812 BUS_OFF switch When F-BUS system OFF, Hi output
Q813 P-ON5V power supply switch For P-ON5V
Q815 BU detection When BU ON, Lo output
Q816 P-ANT circuit control switch When tuner, BU electric potential output
Q817,818 P-ANT circuit protection P-ANT short circuit protection
Q820 F-BUS mute output When mute ON, Hi output
Q821 BUS_ON detection When F-BUS system ON, Hi input
Q822 BUS_ON switch When F-BUS system ON, Hi output
Q850,852 Illumination - detection switch When detecting illumination -, Hi output
Q853 Illumination - detection switch When detecting illumination -, Lo output
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SWITCH UNIT (X25-929x-xx)
Ref. No. Application / Function Operation / Condition / Compatibility
IC1 Display control
µ
-com VFD control, Key intake
IC3 EEPROM For bug counter-measures
Q1 Audio VFD5V switch When audio VFD ON, 5V output
Q2 Audio VFD5V switch When audio DC/DC ON, Lo output
Q4 Heater VFD5V switch When heater VFD ON, 5V output
Q5 Heater VFD5V switch When heater DC/DC ON, Lo output
Q11 F differential indicator power supply switch When F-differential indicator ON, 5V output
Q12 R differential indicator power supply switch When R-differential indicator ON, 5V output
Q21 Multiple-push reset circuit detection When detecting REP/RDM, DWN_SEEK, Hi output
Q22 Multiple-push reset circuit detection When resetting by multiple push, Lo output
Q23 Multiple-push reset circuit detection When TONE (BAL/FAD) detected, Lo output
Q24 Heater UART communication control Heater UART communication control (TX)
Q25 Heater UART communication control Heater UART communication control (RX)
Q26 SW5V power supply switch When IGN ON, 5V output
Q27 Panel illumination switch When panel illumination ON, 10V output
COMPONENTS DESCRIPTION
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