4
KAC-PS4D/X4R
COMPONENTS DESCRIPTION
Pin No.
Application / Function
Operation / Condition / Compatibility
Q113,116,213,216
SP Mute driver
Q301,401
Mute circuit of Line out
Q302
Mete driver of Line out
Q303
AND circuit of SW5V & Preout Mute
Q503~508
Driver of SW power supply
Q509~516
SW transistor for SW regulator
Q517
AVR of +16V
Q520
AVR of -16V
Q521~523
AVR on/off control (1.8V
→
3.3V on)
Q524
Interception circuit of VFL
Q525
Secondarily stage of Darlington AVR of VFL and FIL+
Q526
primary stage of Darlington AVR of VFL and FIL+
Q527~529
Secondarily stage of Darlington AVR of FIL+
Q530
primary stage of Darlington AVR of FIL+
Q531
Interception circuit of VFL
Q533
fi xed current supply of +/-16V
Q601,602
SW transistor for Anti-pump circuit
Q603,604
current detect for Anti-Pump circuit
Q605
on/off SW of N_PSCURR (Anti-pump over current det.)
Q901
On/off SW of SW5V
Q902
Logo LED driver
Q903
inverter of +40V detect circuit
Q904
Interception circuit of B14V
Q905
On/off SW of Q904
Q906,907
SP DC detect circuit
Q908
Interception circuit of SW5V
Q909
Protect circuit for Vdd5V
Q910
NF control for Vdd5V
Q911
Interception circuit of BU5V
Q912
On/off SW of SW14V
Q913
Interception circuit of SW14V
Q914,915
P-con detector
Q916
BATT14V down detector
Q917
Inverter of FAN CTRL line from µ-con
Q918
On/off SW of FAN+B
Q920
Secondarily stage of Darlington AVR of FAN+B
Q922,923
On/off SW of SP MUTE
Q924
Inverter of OUT_OF_BOOT line
