Denon AVR-791 Service Manual

36
Check FRONT CONNECTOR B'D
aw, and connection of FRONT
CONNECTOR B'D or HDMI B'D and
VIDEO B'D.
Check FRONT CONNECTOR B'D
aw, and connection of FRONT
CONNECTOR B'D or HDMI B'D and
VIDEO B'D.
HDMI B'D aw
OK
OK
Input
CVBS/S/COMPONENT
C
Check input signal of VIDEO DECODER
HDMI B'D
V : L2718
S-Y : L2718
S-C : L2719
COMPONENT-Y : L2717
COMPONENT-Cb : L2716
COMPONENT-Cr : L2715
Check signal DET
V/S_L2704 : H(+3.3V)
COMPONENT_L2703 : H(+3.3V)
Input CVBS : to A
Input S : to B
Input COPONENT : to D
NG NG
Input
COMPONENT
D
Check of power supply voltage
FRONT CONNECTOR B'D
V+5V : CP13B-4pin
V-5V : CP13B-1pin
Check on set value of each IC
HDMI B'D
L2701 : H(3.3V)
L2702 : H(3.3V)
Check of power supply voltage
V+5V : IC811-21pin
V-5V : IC811-16pin
Check output of video amplier.
COMP-Y : IC811-24pin
COMP-CB : IC811-22pin
COMP-CR : IC811-20pin
Extend HDMI B'D using a jig.
REGULATOR B'D aw
HDMI B'D aw
Check connection of FRONT
CONNECTOR B'D and AV B'D
NG
NG
NG
NG
OK
OK
OK
OK
b
Unless specied, AV B'D part.
Check power supply voltage of
IC811, and surrounding circuitry
soldering.

Denon AVR-791 Specifications

General

Number of Channels	7.1
HDMI Inputs	4
HDMI Outputs	1
Audyssey Technologies	Audyssey MultEQ, Audyssey Dynamic Volume, Audyssey Dynamic EQ
4K Pass-Through	No
Signal-To-Noise Ratio	100 dB
HDMI Switching	Yes
Input Sensitivity	200 mV
THD	0.08%
Surround Sound Effects	Yes
Digital Sound Processor (DSP)	Yes
DSP Preset Qty	7
Tuner Bands	AM/FM
Preset Station Qty	56
Auto Preset Memory	Yes
HDMI Pass-Through	Yes
Frequency Response	10Hz-100kHz
Power Output	90 W per channel (8 ohms, 20Hz-20kHz, 0.08% THD)
Dolby Technologies	Dolby Digital Plus, Dolby TrueHD
DTS Technologies	DTS, DTS-HD Master Audio, DTS-HD High Resolution Audio, DTS Neo:6
Response Bandwidth	10 - 100000 Hz
Input Impedance	47 kΩ
Audio D/A Converter	24-bit / 192kHz
DSP Presets	Rock Arena, Jazz Club, Mono Movie, Matrix, Virtual, Game
Tuning Range	AM: 520 - 1710 kHz, FM: 87.5 - 108 MHz
Connector Type	HDMI
Amplifier Output Details	90W x 7 (8 ohms, 20Hz-20kHz, 0.08% THD)
Video Conversion	Yes (Composite to HDMI)