Denon AVR-1905 Service Manual

14
AVR-1905/785 AVC-1590
78 RDS_CLK I RDS(TDA7330) CLOCK
79 FLAG3 I Special flag for ROM update
80 FLAG2 I DSP operation check flag
81 FLAG1 I NON USE
82 FLAG0 I EPROM chip select control for DSP
83 LC74781 SCLK O LC74781 SCLK
84 LC74781 CS O LC74781 CS
85 REMOCON REMOTE CONTROL SIGNAL INPUT
86 S-MONI DET I VIDEO S-SIGNAL MONITOR DETECT
87 GND GND
88 V
SS VSS
89 V
DD(BACK UP) VDD FOR BACK UP
90 NC - -
91 2090 DATA2 O BU2090 DATA2(VIDEO)
92 PLL_DATA O PLL CONTROL (LC72131)
93 PLL_CLK O PLL CONTROL (LC72131)
94 PLL_DT_IN I PLL CONTROL (LC72131)
95 TU_MUTE O TUNER MUTE
96 ST I STEREO DETECT
97 TUNED I TUNE DETECT
98 PLL_CE O PLL CONTROL (LC72131)
99 2090_CLK(VIDEO) O BU2090 CLK (VIDEO)
100 2090_DATA(VIDEO) O BU2090 DATA (VIDEO)
Pin
No.
Pin Name I/O Function

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