AUDIO UNIT (X09-8612-70)
Ref. No.
Application / Function
IC1,2
Input Isolation AMP
IC3
Pin 1-3: LPF, Pin 5-7: Inverter
IC4
DC-DC Comparator
IC5
Attenuator Driver
Q3-6
FET Driver
Q7,8
For DC-DC Comparator
Q201~204
Difference AMP 1st Stage
Q205,206
Current Mirror
Q207~210
Difference AMP 2nd Stage
Q211,212
Temperature Compensation
Q213~216
Darlington 1st Stage
Q217~220
Final Stage
Q601
Voltage Supply
Q602
Over-voltage Protection
Q603
P.CON
Q604,605
Mute Driver
Q606~609
DC Protection
Q610~614
Shock Noise Mute
Q615,616
Mute
Q617~621
Over-current DET
Q622,623
Attenuator
D1
BATT Reverse Connection Protection
D2,3
IC4 Reverse Breakdown Voltage Protection
D4
Mute Driver
D6,7
DC-DC Rectifier
D8,9
15V AVR
D101~104
Static Electricity Countermeasure
D201,202
Difference AMP 2nd Stage
D203,204
Current Mirror
D601
Voltage Supply
D602
Over-voltage DET
D603
Voltage Supply
D604
Shock Noise Mute
D605,606
Mute Driver
D607
LED Control
D609,610
DC Protection
D611~613
Shock Noise Mute
D614~617
Over-current DET
D650
P.CON-ON DET
COMPONENTS DESCRIPTION
When turning power ON/OFF, the protection functions.
When turning power ON/OFF, the protection functions.
When turning power ON/OFF, the protection functions.
When P.CON is ON, the LED lights.
When DC protection functions, the LED goes out.
KAC-5203
Operation / Condition / Compatibility
3