Denon AVR-X1100W Service Manual

4.2. Power AMP (AMP PCB)
No audio output.
Protection is activated.
Is the power transistor open or short
circuited?
2SB1560/2SD2390
Is the emitter resistor of the power transistor
open?
0.47Ω
Is the base resistor of the power transistor
open?
22Ω
Is the trimmer potentiometer between the
base of the power transistor open?
1kΩ
Are any other transistors faulty?
Are any other resistors faulty?
Turn on the power and check that the voltage of each part is correct and that there is an idling
current.
Replace the power transistor.
Replace the transistor.
Replace the resistor.
Replace the emitter resistor.
Replace the base resistor.
Replace the trimmer potentiometers.
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
YES
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Denon AVR-X1100W Specifications

General

Receiver type	Surround
Audio output channels	7.1 channels
Power output per channel (1KHz@6 Ohm)	145 W
Power output per channel (20-20KHz@8 Ohm)	80 W
HDMI in	5
Digital audio optical in	2
Ethernet LAN (RJ-45) ports	1
Headphone connectivity	6.3 mm
Connectivity technology	Wired
Speakers connectivity type	Banana connector/Binding posts
Audio formats supported	AAC, AIFF, FLAC, MP3, WAV, WMA
Ethernet LAN	Yes
AM band range	522 - 1611 kHz
Supported radio bands	AM, FM
Optical drive included	No
Display	VFL
Product color	Black
Audio decoders	Dolby Digital 5.1, Dolby Digital EX, Dolby Pro Logic IIz, Dolby TrueHD, DTS 96/24, DTS Digital Plus, DTS-ES, DTS-HD Master Audio
Apple docking compatibility	iPhone, iPod
AC input voltage	230 V
AC input frequency	50 Hz
Power consumption (standby)	0.1 W
Power consumption (typical)	430 W

Weight and Dimensions

Depth	339 mm
Width	434 mm
Height	151 mm
Weight	8600 g