Denon AVR-X250BT Service Manual

DISASSEMBLY
Flowchart
• Remove each part following the ow below.
• Reassemble the removed parts in the reverse order.
• Read "SAFETY PRECAUTIONS" before reassembling the removed parts.
• If wire bundles are removed or moved during adjustment or part replacement, reshape the wires after completing the work. Failure to shape the wires correctly may cause problems such as noise.
• See "EXPLODED VIEW"
FRONT PANEL ASSY
DISASSEMBLY
1. FRONT PANEL ASSY
and "EXPLODED VIEW"
FRONT PCB
Ref. No. of EXPLODED VIEW : P 1
BT PCB
Ref. No. of EXPLODED VIEW : P 4
STNDBY PCB
Ref. No. of EXPLODED VIEW : P 2
PHONE PCB
Ref. No. of EXPLODED VIEW : P 3
TOP COVER
TRANS
DISASSEMBLY
7. TRANS
and "EXPLODED VIEW"
POWER TRANS
Ref. No. of EXPLODED VIEW : P 14
VIDEO PCB
DISASSEMBLY
2. VIDEO PCB
and "EXPLODED VIEW"
VIDEO PCB
Ref. No. of EXPLODED VIEW : P 9
REGULATOR PCB
DISASSEMBLY
6. REGULATOR PCB
and "EXPLODED VIEW"
REGULATOR PCB
Ref. No. of EXPLODED VIEW : P 10
DIGITAL PCB
DISASSEMBLY
3. DIGITAL PCB
and "EXPLODED VIEW"
DIGITAL PCB
Ref. No. of EXPLODED VIEW : P 7
TUNER PCB
Ref. No. of EXPLODED VIEW : P 8
MAIN PCB
DISASSEMBLY
4. MAIN PCB
and "EXPLODED VIEW"
MAIN PCB
Ref. No. of EXPLODED VIEW : P 5
SMPS PCB
DISASSEMBLY
5. SMPS PCB
and "EXPLODED VIEW"
SMPS PCB
Ref. No. of EXPLODED VIEW : P 11
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
51

Denon AVR-X250BT Specifications

General

Impedance	16 Ω
Receiver type	Surround
Frequency range	10 - 100000 Hz
Pre-out connectivity	Yes
Audio output channels	5.1 channels
Signal-to-Noise Ratio (SNR)	98 dB
Total Harmonic Distortion (THD)	1 %
Power output per channel (1KHz@6 Ohm)	90 W
Power output per channel (1KHz@8 Ohm)	70 W
Power output per channel (20-20KHz@8 Ohm)	130 W
AirPlay	No
Display	VFD
HDCP version	2.2
Product color	Black
Audio decoders	DTS-HD, DTS-HD Master Audio, Dolby Pro Logic II, Dolby TrueHD
HDMI in	5
Composite video in	2
Digital audio coaxial in	-
Supported graphics resolutions	3840 x 2160
AM band range	522 - 1611 kHz
FM band range	87.5 - 108 MHz
Supported radio bands	AM, FM
AC input voltage	230 V
AC input frequency	50 Hz
Power consumption (standby)	0.5 W
Power consumption (typical)	330 W
Number of HDMI outputs	1
Connectivity technology	Wired & Wireless
Speakers connectivity type	Clamp terminals

Weight and Dimensions

Depth	319 mm
Width	434 mm
Height	151 mm
Weight	7500 g