Denon AVR-X250BT Service Manual

POWER DIAGRAM
AVR-S540BT/X550BT/X250BT VCC DIAGRAM
MAIN+B
MAIN-B
AC CORD
RELAY
!
!
!
MAIN TRANS
S2 TOTAL : 415.6mA(AVR-S540BT/X550BT)
!
S5(FILAMENT)
S4(FL+Vdisp)
S2(+12V,-12V)
S1(AMP+B,-B)
KIA7812BPI
KIA7912PI
FILAMENT AC
A+12V
A-12V
Vdisp(+37V)
KIA7805BPI
+5.2V
MAIN PWR ON
TUNER+5V
FILAMENT AC
V-5V
V+5V
TFZV7.5B
VOLUME IC
(NJU72340A)
VOLUME IC
(NJU72340A)
MCU_3V3/MICOM
+3V3D/DIR,DSP
TPS563200R(+1.1V)
TPS563200I(+3.3V)
AP7361-Y-13
CEC3V3/HDMI
D1V8H/HDMI
D5V/VBUS : Only AVR-S540BT/X550BT USED
CEC5V/HDMI & DSP
(ADV7623)
(MN864788,EN25QH32B104HIP2B)
(STM32F101ZG,M24C32WMN6TP,PST8425NR,VFD)
(NJM8080 X 4)
(NJM2595)
25mA
37mA(28mA)
22mA
50mA
68mA
163mA
357.5mA
410mA
982mA
158mA
* TOTAL (5V): 1153.005mA(AVR-S540BT/X550BT)
TPS563200(+1.8V)
1000mA
(NJM2595)
MCU+5V
FRONT LED(CVDBLBJEGJ204L)
20mA
SMPS Total Current : About 3607.786mA(AVR-S540BT/X550BT)
BU33TD3WG
45mA
DA+3.3V (USB DAC:PCM5100A)
MM1Z525V1B
MM1Z525V1B
TFZV7.5B
589.95mA
INPUT CURRENT (Ref Volage:5.2V)
(CS497024,CS42528,M12L16161A5TG2Q,EN25Q80B104HIP,SN74AHC157PWR)
CEC1V1/HDMI TX
(MN864788)
*DC-DC Effieciency:85%
158.02mA
291.92mA
(5.2V)
(5.2V)
(5.2V)
(5.2V)
DV3.3V/ADV7623,EN25QH32B104HIP2B
339mA
1200mA
USB3V3/BX8804,W9864G6JH-6, EN25QH16B104HIP2A, BT MODULE, IPOD CP : (Only AVR-S540BT/X540BT)
+5VA (NJM2740V X 2)
60mA
178mA
RELAY*5
10mA
CS42528(VA)
75mA
CS42528(VD), OPTICAL JACK X 2
113mA
650mA(50mA)
+1V8/DSP
(CS497024)
500mA
SWM3V3/DETECT PULLUP
1281.91mA(AVR-S540BT/X550BT)
HI+B
LOW-B
HI-B
LOW+B
BU12TD3WG
(5.2V)
USB1V2/USB(Only AVR-S540BT/X550BT USED)
(BX8804)
20mA
25mA
60mA
0.005mA
(HDMI CEC CONTROL/SN74CBT3251PWR) SWM5V
(USB3V3/BT MODULE: Only AVR-X250BT)
0.02mA
* TOTAL (5V): 153.005mA(AVR-X250BT)
S2 TOTAL : 406.6mA(AVR-X250BT)
844.02mA(AVR-X250BT)
SMPS Total Current : About 2109.901mA(AVR-X250BT)
D
G
S
4
3 2
1
OPEN
2
4
3
1
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
32

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