Denon AVR-3805 Service Manual

23
23
AVR-3805 / AVC-3890
M30620FC Terminal Function
75
76
100
1
25
26
50
51
M30620FC (AD: IC825)
Pin Pin Name Symbol I/O Type Det
Op
(Int.)
Op
(Ext.) Res Function
1 P94/TB4 DSP MS O C - - - Z DSP control pin
2 P93/TB3 DACCS O C - - - Z DAC control pin (AD1854: Chip select)
3 P92/SOUT3 DACMDI O C - - - Z DAC control pin (AD1854)
4 P91/SIN3 DIGITAL REC INH O C - - - Z DIGITAL INH: Control
5 P90/CLK3 DACMC O C - - - Z DAC control pin (AD1854)
6 BYTE BYTE - - - - - - GND (Ext. data bus bit width switching, 16bit: L)
7 CNVCS CNVSS - - - - - -
Single-chip/Micro-processor mode switching
(Normal single-chip: L, Rewrite boot program start:
H input set)
8 P87 DAC-RESET1 O C - - - Z
DAC
con
t
ro
l
p
i
n
("L"
:
P
ower
D
own mo
d
e,
"
↑
(rising edge)": Reset, "H": Normal)
9 P86 NC O C - - - Z Not used
10 RESET RESET I - - - - L Reset input (Reset: L)
11 XOUT X1 O - - - - - Oscillator connection
12 VSS VSS - - - - - - GND
13 XIN X2 I - - - - - Oscillator connection
14 VCC VCC - - - - - - +5V
15 P85/NMI _NMI I - - - - - Not used (Fixed to H)
16 P84/INT2 INT1 I - E
↓
&L - Eu Z DIR control pin (LC89057W-E)
17 P83/INT1 ACK I - E
↓
&L - Ed Z
M
a
i
n
/S
u
b
-
μ
com comm. con
t
ro
l
i
npu
t
(ACK from MAIN
μ
com L return)
18 P82/INT0 B.DOWN I - Lv - Eu Z Power down detect (Power down: L)
19 P81 ADC RESET O C - - Eu Z A/D control pin (Reset: L)
20 P80 OSR O C - - Eu Z A/D control pin (PCM1804) 96kHz: H
21 P77 DIGITAL POWER O C - - Ed Z DIGITAL power on/off switching (H: ON)
22 P76 FGAIN O C - - Ed Z IV AMP GAIN switching control output (Subwoofer YES: L)
23 P75 AD OVER L I - Lv - Eu Z AD OVERLOAD detect control (For L ch OVERLOAD: H)
24 P74 AD OVER R I - Lv - Eu Z AD OVERLOAD detect control (For R ch OVERLOAD: H)
25 P73/CTS2 MIC ON O C - - - Z MIC input used: H Others: L
26 P72/CLK2 P.D MUTE O C - - - Z
MIC/AD input switching control pin
MIC pin input, DIGITAL POWER OFF: L Others: H
27 P71/RXD2 VPP O C - - - - Normal: H Writing flash ROM for DSP: L
28 P70/TXD2 RSVDSP O C - - - - Not used

Denon AVR-3805 Specifications

General

Receiver type	Surround
Frequency range	10 - 100000 Hz
Speaker selector	A / B
Input sensitivity	200 mV
Pre-out connectivity	Yes
Audio output channels	7.1 channels
Signal-to-Noise Ratio (SNR)	102 dB
Total Harmonic Distortion (THD)	0.05 %
Power output per channel (1KHz@6 Ohm)	160 W
Power output per channel (20-20KHz@8 Ohm)	120 W
AC input voltage	120 V
AC input frequency	60 Hz
AM band range	520 - 1710 kHz
FM band range	87.5 - 107.9 MHz
Supported radio bands	AM, FM
Preset stations quantity	56
HDMI in	0
Audio (L/R) in	11
Remote control in	1
Composite video in	7
Digital audio coaxial in	2
Digital audio optical in	5
Component video (YPbPr/YCbCr) in	3
AirPlay	No
Display	-
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
Apple docking compatibility	Not supported
Speakers connectivity type	RCA

Weight and Dimensions

Depth	429 mm
Width	434 mm
Height	171 mm
Weight	17000 g