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Processor Unit (X32-5510-10) - Kenwood KTC-HR100 Service Manual

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KTC-HR100
Ref. No.
Application/Function
Q38
SW
Q39
SW
D1
Diode
D2,4,6,17,20,21
Zenner diode
D3,5
Diode
D7
Diode
D8
Rectifier diode
D9,10
OR gate
D11
Zenner diode
D13
OR gate
D14
Zenner diode
D15,16
Schottly barrier diode
D18,19
Diode
D22,23
Zenner diode
D25
Diode
D26,27,29,30
Zenner diode
D28
Diode
D31
Rectifier diode
D32
Diode
D34
OR gate
D35
Diode
D37
OR gate
D38
Diode

PROCESSOR UNIT (X32-5510-10)

Ref. No.
Application/Function
IC1
DSP
IC2
FPGA
IC4
Flash Memory
IC6
64M SDRAM
IC7
Demodulator
Q1
Voltage Regulator
D1
LED
D2
Diode
D3
LED
D4
LED
D6
Diode
4
COMPONENTS DESCRIPTION
For tuner I2C SDA signal
For DC-DC controller CS signal
Protect for a wrong connection
Protect for irregularly voltage input
Protect for irregularly voltage input
Divider for left and right mute circuit
For controller voltage
For mute
Protect for irregularly voltage input
For mute
Reference voltage for audio bias voltage
For DC/DC converter
Protect for B.U voltage detect circuit
For B.U voltage detect
Protect for a wrong voltage phenomenon
Protect for irregularly voltage input
Reference voltage for regulator
For B.U 5V
Protect for irregularly voltage input
For interrupt
Force for nomal voltage level
For mute
For Controller Power
Digital demodulator, Audio decoder
For interface between IC5 and DSP
Program data for DSP and FPGA
DSP work area
AM FM Analog demodulator and Digital Audio interface
Core voltage supply for IC7 (+2.5V)
This LED is toggled by the DSP software at a rate of approximately (200ms) to indicate
that it is operational.
Voltage converter for RESET signal
For DC+3.3 [V] power supply check
This LED will blink continuously if the FPGA is configured correctly.
Voltage protection for DSP
Operation/Condition/Compatibility
Operation/Condition/Compatibility

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