Denon AVR-2105 Service Manual

22
AVR-2105/885 / AVC-1890
LC74781 (IC1006)
PinNo. Symbol Name
1VSS1GND
2 XtalIN Xtaloscillation
3 XtalOUT Xtaloscillation
4 CTRL1 Xtaloscillationinputswitching
5BLANKBlankoutput
6 OSCIN LCoscillation
7 OSCOUT LCoscillation
8 CHARA Characteroutput
9 CS Enableinput
10 SCLK Clockinput
11 SIN Datainput
12 VDD2 Power
13 CVOUT VIDEOsignaloutput
14 NC
15 CVIN VIDEOsignalinput
16 VDD1 Power
17 SYNIN Sync.separatecircuitinput
18 SEPC Sync.separatecircuitbiasvoltage
19 SEPOUT Complexsync.signaloutput
20 SEPIN Verticalsync.signalinput
21 CTRL2 NTSC/PAL-Mswitchinginput
22 CTRL3 SEPINinputcontrol
23 RST Resetinput
24 VDD1 Power(+5V)
CS
9
RST
23
VSS1
1
SIN
11
SCLK
10
OSCIN
6
OSCOUT
7
SYNIN
17
SEPC
18
SEPOUT
19
CHARA
8
VDD2
12
SEPIN
20
CTRL3
22
4
CTRL1 XtalIN XtalOUT BLANK CVIN CVOUTCTRL2
21 2 3 5 15 13
VDD1
24
Serial
parallel
converter
8-bits
latch
+
command
decoder
Horizontal
character
size
register
Horizontal
size
counter
Horizontal
display
position
register
Horizontal
dot
counter
Vertical
display
position
register
Vertical
dot
counter
Blinking
and inversion
control
register
Blinking
and inversion
control
circuit
Blinking
and inversion
control
register
Blinking
and inversion
control
register
Character
control
counter
Line
control
counter
Timing generator
Synchronization
signal generator
Character output control
Background control
Video output control
Display
control
register
RAM
write
adress
counter
Display
RAM
Vertical
character
size
register
Vertical
size
counter
Decoder
Font
RAM
Shift
register
Decoder
Horizontal
character
size
register
Horizontal
character
size
register
Horizontal
character
size
register
Horizontal
character
size
register
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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Denon AVR-2105 Specifications

General

Power Output	90 W per channel (8 ohms, 20 Hz - 20 kHz, 0.08% THD)
Number of Channels	7.1
Component Video Inputs	3
AM/FM Tuner	Yes
Response Bandwidth	10 Hz - 100 kHz
Signal-To-Noise Ratio	102 dB
THD	0.08%
Input Impedance	47 kOhm
Input Sensitivity	200 mV
Tuner Bands	AM/FM
Digital Sound Processor (DSP)	Yes
HDMI Switching	No
Video Conversion/Scaling	No
Output Impedance / Channel	8 ohm
Frequency Response	10 Hz - 100 kHz
Total Harmonic Distortion	0.08%
Dolby Decoding	Dolby Digital, Dolby Pro Logic II
DTS Decoding	DTS, DTS Neo:6
Digital Audio Inputs	2 coaxial, 5 optical
Audio D/A Converter	24bit / 192kHz
Tuner Frequency Range	AM: 522 - 1611kHz, FM: 87.5 - 108MHz
Dimensions (W x H x D)	434 x 171 x 377 mm
Output Power / Channel	90W (8 ohms, 20Hz-20kHz, 0.08% THD)