Harman Kardon AVR245 Service Manual

HY57V161610E
Rev. 0.2 / Aug. 2003 3
FUNCTIONAL BLOCK DIAGRAM
1Mx16 Synchronous DRAM
Column Addr.
Latch & Counter
Burst Length
Counter
Refresh
Interval Timer
Refresh
Counter
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
Address
Register
I/O ControlTest ModeMode Register
Self Refresh Counter
Column Decoder
Sense AMP & I/O gates
512Kx16
Bank 0
Column Decoder
Sense AMP & I/O gates
512Kx16
Bank 1
RAS
CAS
CS
WE
UDQM
LDQM
CKE
Precharge
Overflow
Column Active
Row Active
Address[0:10]
CLK
BA(A11)
State Machine
Row Decoder
Row Addr. Latch/Predecoder
Auto/Self Refresh
Ref. Addr.[0:11]
Data Input/Output Buffers
Row Addr. Latch/Predecoder
108
AVR245 harman/kardon

Harman Kardon AVR245 Specifications

General

Number of Channels	7.1
HDMI Inputs	2
HDMI Outputs	1
Dolby Digital	Yes
DTS	Yes
Weight	12.7 kg
Type	AV Receiver
Input Sensitivity	200mV
Tone control	Bass, Treble
Headphone output	Yes
Decoder	Dolby Digital, DTS
DSP	Yes
Tuner type	AM/FM
Number of preset stations	30
Remote control	Yes
Width	440 mm
Height	165 mm
Depth	382 mm
Total Harmonic Distortion	0.07%
Dimensions	440 x 165 x 382 mm
Power Output	50 watts per channel
Input Impedance	47kohm
Digital inputs	Optical, Coaxial
Digital outputs	1 Optical
Frequency Response	10Hz - 100kHz
Video Inputs	Composite, S-Video, Component
Video Outputs	Composite, S-Video, Component
Audio Outputs	7.1 channel
Audio Inputs	Analog