Denon AVR-1905 Service Manual

21
AVR-1905/785 AVC-1590
LH28F800BJE (IC805)
SN74LV573APW (IC818,819)
SN74LVC139APWR (IC820)
1
2
3
4
5
6
7
8
10
9
20
19
18
17
16
15
14
13
12
11
OE
D0
D1
D2
D3
D4
D5
D6
D7
GND
Vcc
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
LE
D
Q
L
D
Q
L
D
Q
L
D
Q
L
D
Q
L
D
Q
L
D
Q
L
D
Q
L
D0
D1 D2
D3 D4 D5 D6
D7
L
E
OE
1
234
567
89
11
12131415
16
17
1819
Q0 Q1
Q2
Q3
Q4 Q5 Q6 Q7
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1G
1A
1B
1Y0
1Y1
1Y2
1Y3
GND
V
CC
2G
2A
2B
2Y0
2Y1
2Y2
2Y3
FUNCTION TABLE
(each decoder/demultiplexer)
INPUTS
OUTPUTS
G
SELECT
OUTPUTS
G
B A Y3 Y2 Y1 Y0
L L L H H H L
L L HHHLH
L H LHLHH
L H HLHHH
H X X H H H H

Denon AVR-1905 Specifications

General

Speakers connectivity type	-
Receiver type	Surround
Frequency range	10 - 100000 Hz
Audio output channels	7.1 channels
Signal-to-Noise Ratio (SNR)	100 dB
Power output per channel (1KHz@6 Ohm)	110 W
Power output per channel (20-20KHz@8 Ohm)	80 W
Product color	Black
Audio decoders	DTS 96/24, DTS Neo:6, DTS-ES (Discrete 6.1), DTS-ES (Matrix 6.1), Dolby Digital EX, Dolby Pro Logic IIx
Digital Signal Processing (DSP)	Yes
HDMI in	0
Composite video in	4
Digital audio coaxial in	1
Component video (YPbPr/YCbCr) in	3
S-Video outputs quantity	2
Ethernet LAN	No
AM band range	520 - 1710 kHz
FM band range	87.5 - 107.9 MHz
Supported radio bands	AM, FM
AC input voltage	120 V
AC input frequency	60 Hz

Weight and Dimensions

Depth	171 mm
Width	434 mm
Height	416 mm
Weight	11900 g