Denon AVR-X2500H Service Manual

Block diagram
W9864G6KH
Publication Release Date: Nov. 12, 2013
- 6 - Revision A02
6. BLOCK DIAGRAM
CLK
CKE
A10
CLO CK
BUFF ER
COMMA ND
DECO DER
ADDRESS
BUFF ER
REFRESH
CO UNT E R
CO LUM N
CO UNT E R
CONTROL
SIGN AL
GENER ATOR
MO DE
REGI ST ER
COLUMN DECO DE R
SENSE AMPLIFIER
CELL ARRAY
BANK #2
COLUMN DECO DE R
SENSE AMPLIFIER
CELL ARRAY
BANK #0
COLUMN DECO DE R
SENSE AMPLIFIER
CELL ARRAY
BANK #3
DATA CONTRO L
CI RCUI T
DQ
BUFF ER
COLUMN DECO DE R
SENSE AMPLIFIER
CELL ARRAY
BANK #1
NOT E:
The cell array configuration is 4096 * 256 * 16
A0
A9
BS0
BS1
CS
RAS
CAS
WE
A11
AK4458VN (DIGITAL : U1051)
Pin Function
No. Pin Name I/O Function PD State
1 MCLK I External Master Clock Input Pin Hi-Z
2
BICK I Audio Serial Data Clock Pin in PCM mode
Hi-z
DCLK I DSD Clock Pin in DSD mode
3
LRCK I Input Channel Clock Pin in PCM mode
Hi-Z
DSDL1 I Audio Serial Data Input in DSD mode
4
SDTI1 I Audio Serial Data Input in PCM mode
Hi-Z
DSDR1 I Audio Serial Data Input in DSD mode
5
SDTI2 I Audio Serial Data Input in PCM mode
Hi-Z
DSDL2 I Audio Serial Data Input in DSD mode
6
SDTI3 I Audio Serial Data Input in PCM mode
100k Ω
Pull down
DSDR2 I Audio Serial Data Input in DSD mode
TDMO1 O Audio Serial Data Output in Daisy Chain mode
7
SDTI4 I Audio Serial Data Input in PCM mode
100k Ω
Pull down
DSDL3 I Audio Serial Data Input in DSD mode
TDMO2 O Audio Serial Data Output in Daisy Chain mode
8 DSDR3 I Audio Serial Data Input in DSD mode Hi-Z
9 DSDL4 I Audio Serial Data Input in DSD mode Hi-Z
10 DSDR4 I Audio Serial Data Input in DSD mode Hi-Z
11
DZF O Zero Input Detect in I2C Bus or 3-wire serial control mode
100k Ω
Pull down
SMUTE I
Soft Mute Pin in Parallel control mode.
When this pin is changed to "H", soft mute cycle is initiated. When it is returning to "L", the
output mute is released.
12
CAD1 I Chip Address 0 Pin in I C Bus or 3-wire serial control mode
Hi-Z
DCHAIN I Daisy Chain Mode select pin in Parallel control mode.
13
SDA I/O Control Data Pin in I2C Bus serial control mode
Hi-ZCDTI I Control Data Input Pin in 3-wire serial control mode
TDM0 I TDM Mode select pin in Parallel control mode.
14
SCL I Control Data Clock Pin in I2C Bus serial control mode
Hi-ZCCLK I Control Data Clock Pin in 3-wire serial control mode
TDM1 I TDM Mode select pin in Parallel control mode.
[AK4458]
014011794-E-00 2015/01
- 7 -
5. Pin Configurations and Functions
Ordering Guide
AK4458VN 40
+105 C (Exposed pad is connected to ground)
40 +85 C (Exposed pad is open)
48-pin QFN (0.5mm pitch)
AKD4458 Evaluation Board for AK4458
Pin Configurations
Note 1. The exposed pad at back face of the package must be open or connected to the ground of the board.
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
59

Denon AVR-X2500H Specifications

General

HDMI in	8
Composite video in	2
Ethernet LAN (RJ-45) ports	1
AirPlay	No
Display	-
Sample rate	196 kHz
HDCP version	2.2
Product color	Black
Audio decoders	DSD, DTS-HD, DTS:X, Dolby Atmos, Dolby Surround, Dolby TrueHD
Volume control	Rotary
RS-232 interface	Yes
Connectivity technology	Wired & Wireless
Receiver type	Surround
Frequency range	20 - 20000 Hz
Output impedance	8 Ω
Input sensitivity	200 mV
Audio output channels	7.1 channels
Signal-to-Noise Ratio (SNR)	100 dB
Total Harmonic Distortion (THD)	0.08 %
Power output per channel (1KHz@6 Ohm)	185 W
Power output per channel (20-20KHz@8 Ohm)	95 W
AC input voltage	230 V
AC input frequency	50 Hz
Power consumption (standby)	0.5 W
Power consumption (typical)	500 W
Audio formats supported	AAC, ALAC, DSD, FLAC, MP3, WAV, WMA
AM band range	520 - 1611 kHz
FM band range	87.5 - 108 MHz
Supported radio bands	AM, FM
Internet radio services supported	Deezer, Napster, Pandora, SIRIUS Internet Radio, Spotify, Tidal, TuneIn, iHeartRadio
Supported graphics resolutions	3840 x 2160

Weight and Dimensions

Depth	340.3 mm
Width	434.3 mm
Height	167.6 mm
Weight	9389 g