SOURCE SELECTOR PART OSCILLATOR & PRE-AMPLIFIER PART AMPLIFIER PART LEFT CHANNEL
AMPLIFIER PART RIGHT CHANNEL
AUDIO FREQUENCY & LOGIC PART
Inputs:
AUX
Tape
Tuner
CD
Source Selector IC + sound processing
Data generation for spectrum analyzer
Digital Out
Overvoltage protection for:
+AMP
-AMP
+5V6
+12V_A
Control Lines
Generation of following supplies:
+12V
+5V6
+5V_AMP
+5V6_AMP
Pre-Amplifier + mute circuit
Adjustment of offset
Square wave Oscillator
Headphone Amplifier
Subwoofer out
Port Expander (shift register)
Generation of +5V_CD
Fan control
Modulator
Driver + Level shifter
Power FETs
Protection circuits
Modulator
Driver + Level shifter
Power FETs
Protection circuits
Speaker relay
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Chapter 11-8
Signal flow
Chapter 11-10
Chapter 11-11
Chapter 11-12
Chapter 11-9
Power 2002 70W Class D
Combi Board Circuit Diagram Overview
P2002 Class D Drawing Overview 2002 04 05
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4
5
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