Denon AVR-S750H Service Manual

NJU72343 (DIGITAL_ANALOG : IC822)
No. Symbol Function No. Symbol Function
1 AREF Analog reference potential 17 DATA IC control data input
2 ADR Address selection 18 CLOCK IC control clock input
3 InA2 Ach input2 19 VDDOUT Digital power supply output
4 InB2 Bch input2 20 AREF Analog reference potential
5 InA1 Ach input1 21 OutH Hch output
6 InB1 Bch input1 22 OutG Gch output
7 InC Cch input 23 OutF Fch output
8 InD Dch input 24 OutE Ech output
9 InE Ech input 25 OutD Dch output
10 InF Fch input 26 OutC Cch output
11 InG1 Gch input1 27 OutB Bch output
12 InH1 Hch input1 28 OutA Ach output
13 InG2 Cch input2 29 AREF Analog reference potential
14 InH2 Dch input2 30 V- Power supply(-)
15 MUTE External mute control 31 AREF Analog reference potential
16 REF Digital reference potential 32 V+ Power supply(+)
NJU72750A (DIGITAL_ANALOG : IC821, IC825)
No. Symbol Function No. Symbol Function
1 V+ Power supply(+) 17 DATA IC control data input
2 InA1 Ach input1 18 CLOCK IC control clock input
3 InB1 Bch input1 19 NC -
4 InA2 Ach input2 20 NC -
5 InB2 Bch input2 21 OutB3 Bch output3
6 InA3 Ach input3 22 OutA3 Ach output3
7 InB3 Bch input3 23 REF_B Bch reference potential
8 InA4 Ach input4 24 OutB2 Bch output2
9 InB4 Bch input4 25 OutA2 Ach output2
10 InA5 Ach input5 26 REF_A Ach reference potential
11 InB5 Bch input5 27 OutB1 Bch output1
12 InA6 Ach input6 28 OutA1 Ach output1
13 InB6 Bch input6 29 NC -
14 InA7 Ach input7 30 ADR0 Address selection pin 0
15 InB7 Bch input7 31 ADR1 Address selection pin 1
16 REF BIAS reference potential 32 V- Power supply(-)
61 1
17
32
61 1
17
32
BD3812F (DIGITAL_ANALOG : IC911 X1600 E3 only)
NJM41050V (DIGITAL_ANALOG : IC881)
8IGLRMGEP2SXI
6/9
www.rohm.com
2010.06 - Rev.A
© 2010 ROHM Co., Ltd. All rights reserved.
BD3812F
-10
-8
-6
-4
-2
0
2
4
6
8
10
10 100 1000 10000 100000
FREQUENCY (Hz)
0.001
0.01
0.1
1
10
0.001 0.01 0.1 1 10
INPUT VOLTAGE (Vrms)
-5
0
5
10
15
20
10 100 1000 10000 100000
FREQUENCY (Hz)
0.0001
0.001
0.01
0.1
1
10
0.001 0.01 0.1 1 10
INPUT VOLTAGE (Vrms)
-2. 5
-2
-1. 5
-1
-0. 5
0
0.5
1
1.5
2
2.5
024 6810
POWER SUPPLY (V)
Application circuit
UNIT
RESISTOR :
CAPACITOR : F
Fig.2
Reference data
LOGIC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CL
DA
MUTE
SEL
DGND
OUT1
OUT2
10µ
10
VEE
AGND
VCC
IN1
IN2
47
47µ
AGND
AGND
Fig.3 Circuit current - Power supply
Fig.4 Voltage gain - Frequency
Fig.5 Output voltage - Input voltage
Fig.6 THD+N - Input voltage
Fig.7 Output gain - Frequency
VCC
VEE
0, 6 18dB
2dB/step
MUTE
VIN1
VOUT
75
DRV
C LAMP
6.75MHz
LPF
6dB
VSAG
SSIGV
0.1µF
+
47µF
75
75
68k
0.1µF
SR EFV
68k
1µF
V+
GND
ASC
C LAMP
C LAMP
0.1µF
VIN2
0.1µF
VIN3
SW1 SW2
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
57

Denon AVR-S750H Specifications

General

Receiver type	stereo
Frequency range	10 - 100000 Hz
Input sensitivity	200 mV
Audio output channels	7.2 channels
Signal-to-Noise Ratio (SNR)	98 dB
Total Harmonic Distortion (THD)	10 %
Power output per channel (1KHz@6 Ohm)	165 W
Power output per channel (20-20KHz@8 Ohm)	75 W
AirPlay	Yes
Display	VFL
HDCP version	2.3
Apple docking	No
Product color	Black
Audio decoders	DTS-HD Master Audio, Dolby TrueHD
Volume control	Rotary
HDMI in	6
Composite video in	2
Digital audio optical in	1
Package depth	432 mm
Package width	523 mm
Package height	229 mm
Package weight	10614 g
AC input voltage	120 V
AC input frequency	60 Hz
Power consumption (standby)	0.5 W
Power consumption (typical)	400 W
AM band range	520 - 1710 kHz
FM band range	87.5 - 107.9 MHz
Supported radio bands	AM, FM
Audio formats supported	AAC, ALAC, DSD, FLAC, MP3, WAV, WMA
Image formats supported	JPEG
Speakers connectivity type	RCA

Weight and Dimensions

Depth	330 mm
Height	152 mm
Weight	8618 g