Read Harman Kardon HS 300 Service Manual online
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
AML3278
Loader
DV342
Motor Driver
BA5954FP
or
BA5888FP
or
BA5888FP
SDRAM
4*16Mb
SDRAM
4*16Mb
EEPROM
24C64
Flash
16Mb
OTG242
Front
USB plug
USB plug
Rear
Tuner
ALPS
EU/US
ALPS
EU/US
(not connected)
.
.
.
MPEG
.
RDS
BU1924F
BU1924F
VFD Driver
Display
VFD
74H
C
158
MCU
PIC16C56A
Functional
buttons
buttons
IR
receiver
receiver
Power
indicator
indicator
SMPS Board
Standby control
Video
Output
Block
ADA4410-6
Output
Block
ADA4410-6
Scart out/in
YPbPr output
CVBS output
S-Video output
Downmix line output
Headphone
Aux input
Audio
Block
Block
not used.
Audio
Input
ADC
Input
ADC
Tuner audio
input
input
Subwoofer line output
Front Panel Board
Digital
input
input
Coaxial In
Optical In
5 channels output
Audio
output
DAC
output
DAC
Amplifier
output
output
HDMI Block
HDMI output
WM8776
DDX8001
DDX2100
DDX2160HS
HS300 - HS500 BLOCK DIAGRAM
Supply power
for all boards
for all boards
SiI9030
Scart audio input
TV input
IR in
IR In/Out Block
IR out
.
M1
M2
.
Sub trigger control
Sub Trigger output
NJM2561
(EU version only)
Coaxial
output
output
Digital
output
output
RF
AML3501
(Not connected )
BLOCK DIAGRAM
1.6
DIAGRAM
A3
1
20
Title
Size
Document Number
Rev
Date:
Sheet
of
AC Power cord
harman/kardon
service manual
Page 93 of 109
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