Denon AVR-1908 Service Manual

53
AVR-1908 / AVR-788
BA7626 (IC2002,2011,2012)
BA4510F (IC1035,1036)
BU4094BCF (IC110,111,2003,2004)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Monitor OUT
GND
IN5
GND
IN4
CTL E
IN3
CTL D
IN1
CTL A
V OUT1
Vcc
IN2
CTL B
V OUT2
CTL C
6dB
6dB
LOGIC
LOGIC
ABE
MONITOR OUT
C D E V OUT 1 C D E V OUT 2
LL* IN 1 LL*
⎯
LL* IN 1
H L * IN 2 H L * IN 2 H L *
⎯
L H * IN 3 L H * IN 3 L H * IN 3
H H L IN 4 H H L IN 4 H H L IN 4
HHH IN 5 HHH IN 5 HHH IN 5
Note 1: * mark means that feasible for either H or L.
Note 2: Each input terminal is provided with sink chip clamp (BA7625).
Each input terminal takes 20kohm at the end (BA7626).
+
+
1
2
3
4
8
7
6
5
OUT1
Ð IN1
+ IN1
V
EE
VCC
OUT2
Ð IN2
+ IN2
1ch
2ch
Ð
Ð
2
SERIAL
IN
STROBE
Q
1
Q2
Q3
Q4
CLOCK
3
4
5
6
7
8
15
14
13
12
11
10
9
V
SS
1
OUTPUT
ENABLE
V
DD
Q6
Q7
Q8
Q'S
Q5
QS
16

Denon AVR-1908 Specifications

General

Channels	7.1
Power Output	90W per channel (8 ohms, 20Hz-20kHz, 0.08% THD)
HDMI Inputs	2
HDMI Outputs	1
Dolby Digital	Yes
DTS	Yes
Type	AV Receiver
Component Video Inputs	3
Component Video Outputs	1
Digital Audio Inputs	2 Optical, 2 Coaxial
Tuner	AM/FM
Frequency Response	10Hz-100kHz (+1, -3dB)
Input Sensitivity/Impedance	200mV/47k ohms
Signal-to-Noise Ratio	98 dB
Power Consumption	460W
Surround Sound Formats	Dolby Digital, DTS
Total Harmonic Distortion	0.08%
Tuner Frequency Range	AM: 522-1611 kHz, FM: 87.5-108.0 MHz
Standby Power Consumption	Less than 1W