11
FZDA07ELEF2/EREF2/MRHF2
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC611
Power supply IC for VFD
SW8V input, 16V output
IC612
Buffer power supply IC for SPDIF
ND3.3V input, 1.2V output
Q2
For LED9V power supply drive
ON when ILL+ is Hi and ILL- is Lo
Q3
Switch for ILL_DET-
ON when Q2 is ON
Q6
For IGN detection
ON when Hi input, open collector
Q8
For navigation RST
ON when Hi input (RST)
Q9,10
For watch dog drive
OFF when the watch dog pulse is stopped
Q341
For FAN10.5V power supply drive
ON when P-ON is Hi
Q342
Transistor for FAN10.5V power supply
Input: SW_BU, Output FAN10.5V power supply
Q343
Transistor for FAN10.5V power supply
ON when Q341 is ON
Q344
For FAN10.5V power supply shortage protection circuit Q608 ON, ON when FAN10.5V output shortage
Q451
For LED9V power supply drive
On when Q2 is ON or when FAULT is Hi
Q452,453 Transistor for LED9V power supply
Input: N_BTT, Output LED9V power supply
Q454
Transistor for LED9V power supply
ON when Q451 is ON
Q501
FET for P-ON5 switching regulator (Two FETs)
Q502
FET for P-ON3.3 switching regulator (Two FETs)
Q504
For N_D3.3V output over voltage protection
On when N_D3.3V output is over voltage
Q505
For N_D5V output over voltage protection
On when N_D5V output is over voltage
Q601
P-ON2 SW (For P-ON8V)
SW of Q602
Q602
P-ON2 SW (For P-ON8V)
Turn ON P-ON8V
Q603
Transistor for P-ON8V switching
Q604
FET for P-ON8V switching
Q605
For SW8V output over voltage protection
On when SW8V output is over voltage
Q606
Switch for
On when ILL+ is Hi
Q607
For FAN10.5V power supply shortage protection circuit On when PON_FAN is Hi
Q608
For FAN10.5V power supply shortage protection circuit ON when Q607 is ON
Q609
For video µ-com RST
Q610
For stopping the watch dog function (while writing software) ON while writing software
Q611
For stopping the watch dog function (while resetting)
ON while resetting
Q615
SW for parking
PKG: Low ON
Q616
SW for vehicle speed sensor
SPD: Low ON
Q617
SW for parking
PKG: Low ON
Q618
SW for vehicle speed sensor
SPD: Low ON
Q621
SW for reverse signal
REV: Hi ON
Q622
For V-MUTE
VMUTE: Hi ON (MUTE)
Q624
Reset SW for A07
SMRST: Hi, Reset: ON
Q626,627 SW for ND5V and ND3.3V
P-ON2: Hi OFF (P-ON)
Q628
SW for ND5V and ND3.3V
P-ON2: Hi ON
Q629
SW for reverse signal
REV: Hi ON
Q630
For LED9V power supply drive
ILLPWM: Hi ON or FULT: Hi ON
Q634
For rear camera power supply switching
REV: Hi ON
Q636
SW8VIC frequency switching
F0SC: Hi ON 340kHz, Low 248kHz
COMPONENTS DESCRIPTION