Monday, January 18, 2016

DENON AVR X3100W Idle current adjustment - Special mode - Firmware update - DPMS update - Power amplifier circuit diagram - AV Receiver repair and service - Manual Service

                                                    Category: AV receiver repair and Service  

Contents of this article 
  • Idle current Adjustment 
  • Firmware Update 
  • Special mode 


DENON AVR X3100

Adjusting Idling Current
1. Preparation
(1) Prepare a DV voltmeter.
(2) Place the unit in normal usage conditions, away from highly ventilated areas such as next to an air conditioning machine or electric fan.
The set requires an ambient temperature of 15
~30 and standard humidity.
(3) Settings of This Unit
# POWER (Power source switch) STANDBY
# SPEAKER (Speaker terminal) No load
( Do not connect equipment such as speakers or dummy resistors. )
2. Adjustment Procedure
(1) Remove the top cover and turn VR714, VR724, VR734, VR744, VR754, VR764, VR774 of the AMP PCB as far anticlockwise(c) as possible.
(2) Connect the DC Voltmeter test points.
FRONT-Lch
CN715
FRONT-Rch
CN725
CENTER ch
CN735
SURROUND-Lch
CN745
SURROUND-Rch
CN755
SURROUND-BACK Lch
CN765
SURROUND-BACK Rch
CN775
(3) Connect the power cord to an outlet. Next, press the power button to turn on the power.
(4) Set this unit as follows.
MASTER VOLUME
"---" anticlockwise (c min.)
SPEAKER (Speaker terminal)
No load
( Do not connect equipment such as speakers or dummy resistors. )
MODE
MCH STEREO
FUNCTION
DVD
(5) Turn VR714 clockwise (x) and adjust the voltage of the test point to "6.5mV ± 0.5mV DC" within 2 minutes.
(6) 10 minutes after the preliminary adjustment, turn VR714 and set the voltage as "8.0mV ± 0.5mV DC".
(7) Adjust the variable resistance of each channel using the same method.
SPECIAL MODE
Special Mode Configuration Buttons
# No. 1 - 12, 15 : Hold down buttons"A", "B" and "C" at the same time and press the power button to turn on the power.
# No. 13, 14 : Hold down buttons "A" and "B" for at least 3 seconds while the power is on.
# No. 16
Press the "A" and "B" buttons simultaneously while inserting the AC plug to turn the power on.
No
Mode
Button A
Button B
Button C
Contents
1


Version Display
(u-COM / DSP Error Display)

SETUP


OPTION


-


Displays the version of firmware such as the main firmware or DSP,
etc. Errors that have occurred are displayed.


2



User Initialization Mode
(Settings for the Installer Setup are not
initialized.)

BACK



INFO


-



Initializes backup data.
(Settings for the Installer Setup are not initialized.)


3


Factory Initialization Mode
(Initialization includes settings for the Installer Setup.)

CURSOR UP


CURSOR down


-


Initializes backup data.
(Initialization includes settings for the Installer Setup.)


4


PANEL / REMOTE LOCK Selection Mode


STATUS


INFO

-


Start this unit in the PANEL/REMOTE LOCK selection mode so that
PANEL LOCK and Remote Lock can be selected as ON or OFF.

5

Check the Video/Audio pass
Mode
STATUS

SOURCE ZONE3

-

This is a special mode for service confirmation used during repair work to simplify the confirmation work for the Audio channel/vid eo channel.

6

Protection History Display Mode





-

Displays the protection occurrence history.

7

232C Standby Clear Mode :





-

Switches from 232C standby mode to normal standby mode.

8

Operation Info Mode





-

Displays the total operating time of the set, number of times the
power was switched on, and number of occurrences of each protection

9


TUNER STEP mode (E3 and E2 model only)








-


Enables reception STEP of the ANALOG TUNER to be changed.

10



Remote ID Setup Mode








-

If there are multiple DENON AV receivers in the same area, this
mode stops the other AV receivers from being operated concur rently with this device.


11



Installer Setup Mode



CURSOR <



BACK


-



Access the Remote Maintenance mode via the internet. Installer
Setup is displayed on Setup menu / Network.


12


Protection Pass Mode


CURSOR <


STATUS


SOURCE ZONE3


Enables the power to be turned on when protection detection is in the stopped state.


13

CX870 / CY920 Reboot mode

DIMMER

SETUP
-

CX870 / CY920


14


CX870 / CY920 Initialization mode


DIMMER


CURSOR >

-


Enter this mode only after replacing Flash for CX870 / CY920 and
rewriting the firmware.


15


USB Update Mode


STATUS


OPTION

-


Switches this unit to USB Update mode.



16

Forced USB All Device Write Mode

STATUS

OPTION
-
Mode used when this unit cannot be recovered.
Forcibly switches this unit to USB update mode.


To cancel this special mode, press and hold the "CURSOR DOWN"and "STATUS" buttons for 3 seconds and longer. When the volume indicator returns to the normal display, RS-232C communication can be used.
Selection Modes for Service-related Operations
Actions
Select diagnostic mode (service path check mode), protection history display mode, or 232C standby clear mode.
Starting up
Hold down buttons "STATUS" and "ZONE3 SOURCE" at the same time and press the power button to turn on the power. Select the mode using the button "CURSOR UP/DOWN", and press the button "ENTER" to commit the selection.
Displaying and Selecting Each Mode
The information shown on the display changes each time the button "CURSOR UP/DOWN" is pressed. Press the button "ENTER" to set the currently displayed mode and restart the device.
FIRMWARE UPDATE PROCEDURE
Updating by USB
The latest firmware can be downloaded to a USB memory for updates.
Connecting to the USB Memory
(1) Preparation
# USB format : Prepare a USB memory formatted in FAT16 or FAT32.
# Do not run the USB memory through a hub.
# Do not connect a computer to the USB port of this unit using a USB cable.
# Do not use an extension cable when connecting the USB unit.
 Unzip Download File
Unzip the downloaded file on your computer.
You can find "firmwares" folder after unzipped.
Copy that folder to USB flash drive.
You have to put "firmwares" folder on root directly on USB flash drive(memory).
Insert the USB memory in the USB port.
NOTE
Remove the LAN cable from this unit when performing updates.
Start the update.
Hold down buttons "STATUS" and "OPTION" at the same time and press the power button to turn on the power.
Press the "ENTER" key on the remote control unit or this unit.
Then start Firmware Update.
Precautions for Updates
# Never remove the USB memory before the update is finished.
# Never turn off the power before an update is completed.
# It takes around 1 hour to complete the update.
Once an update is started, normal operations cannot be performed until it is completed. The GUI menu settings and image adjustment settings of this unit may be initialized. Take note of your settings beforehand and reconfigure them after the update.
Forced USB All Device Write Mode
Actions
Mode used when this unit cannot be recovered.
Forcibly switches this unit to USB update mode.
Operations
Press the "STATUS" and "OPTION" buttons simultaneously while inserting the AC plug to turn the power on.
The firmware update finishes.
The update after the restart, all devices will be updated.
Updating by DPMS
Download the latest firmware from the internet and update the firmware.
Network Connection
(1) System Requirements
# A broadband internet connection
# Modem
# Router
# Ethernet cable (CAT-5 or greater recommended)
Check and update the firmware
Check whether new firmware is available. It is also possible to check approximately how long the update will take.
(1) Press the button "SETUP" on the remote control to display the GUI menu.
(2) Press the cursor button to select "General" > "Firmware" > "Update" > "Check Update".
(3) Press the button "ENTER".
# The latest firmware version uploaded to our website is displayed.
# Proceed to (4) if new firmware is available on our website.
# If the latest firmware is already installed, press the button "SETUP" to exit the menu.
(4) Select "Start" using the cursor buttons and then press "ENTER".
3 The power display lights in red and the GUI screen display disappears during the update.
The remaining time of the update is shown on the display of the unit.
# The normal status resumes after the update is completed.
Precautions for Updates
# The environment and settings must allow connection to broadband Internet for updates.
# Never turn off the power before an update is completed.
# It takes around 1 hour to complete the update.
Once an update is started, normal operations cannot be performed until it is completed.
The GUI menu settings and image adjustment settings of this unit may be initialized.
Take note of your settings beforehand and reconfigure them after the update.

POWER AMPLIFIER CIRCUIT 
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