Hk37Xx Block Diagram - Harman Kardon HK 3700 Service Manual

Harman Kardon
IR Input x 1
IR out x 1
Trigger out x 1
Optical
x 2
Coaxial
x 1
BT
Analog
Module
SW
NJM2753V
Chorus3
3in/1out
(FS1230)
Analog
x 6
Tuner Module
(AM/FM)
REC x 1

HK37xx Block Diagram

Serial Flash
Memory
DAI 2/DAO1
I2S In/Out
CS42528
Codec
DAC
FL/FR
DAC
Main
MCU
ADC
FL/FR
NJW1112V
(8 in/4 out)
Source
Selector
(Audio + MCU)
To USB/Network
I2S I/F
DA0 2
DSP/CODEC Control
CS495314
DSP
PCM only
Main
MCU
Main
MCU
NJW1194V
2-ch
Volume&Tone
Control
By Upgrade UART UART & GPIO
USB ? UART
GPIO
Main MCU
ST32F205
GPIO
Main MCU
Main MCU
SUB Preout
AB_Class AMP (2ch) with Speaker A&B
H/P
HK 3770 Service Manual
SMPS
2x16
Dot
Matrix
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