Sunday, February 22, 2015

DENON AVR-1910 - AVR-1620 - AVR-1610 - AVR-790 - AVR-590 AV RECEIVER INITIALIZATION AN POWER AMP CIRCUIT

 DENON AVR-1910 / AVR-1620 / AVR-1610 AVR-790 / AVR-590

AV RECEIVER 


 INITIALIZATION AN POWER AMP CIRCUIT   

Initializing AV SURROUND RECEIVER
AV SURROUND RECEIVER initialization should be performed when the µcom, peripheral parts of µcom, and Digital P.W.B. are replaced.
1. Switch off the unit.
2. With the "SURROUND MODE LEFT ARROW " and "SURROUND MODE RIGHT ARROW" buttons pressed, press the "ON/OFF" button to turn the power on.
3. Check that the entire display is flashing with an interval of about 1 second, and release your fingers from the 2 buttons and the microprocessor will be initialized. 
Special mode setting button
** Press the ON/OFF button to turn on while pressing both buttons A and B at the same time.
Mode
Button A
Button B
Contents
µcom/DSP Version display mode





STATUS





DIMMER





Serial No. and firmware versions such as Main, Sub, DSP are
displayed in the FL manager. Errors are displayed when they
occur.

Errors checking mode
(Displaying the protection history)


STATUS




MULT EQ




Displaying the protection history



Initialization mode

SURROUND
MODE LEFT ARROW
SURROUND
MODE RIGHT ARROW
Backup data initialization is carried out.
Mode for switching tuner frequency step





SOURCE






(non)






---E2 model only---
Select with the SOURCE LEFT,RIGHT,UP ,DOWN  button.
Change tuner frequency step to AM9k/FM50kHz STEP or AM:10k/
FM:200kHz.


Mode for preventing remote control acceptance





CURSOR LEFT






RESTORER




Operations using remote control are rejected.
(Mode cancellation: Turn off power and execute the same button
operations as when performing setup.)
Panel lock mode


SURROUND MODE  LFET ARROW

RESTORER


Operations using main unit panel buttons or master volume are rejected.
Panel lock mode
(Remove Master volume)

SURROUND
MODE RIGHT ARROW

RESTORER


Operations using main unit panel buttons are rejected.



Cancellation of panel lock mode


MENU


RESTORER

Panel lock mode is cancelled.


POWER AMP CIRCUIT 
POWER SUPPLY