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Note: In reassembling, use new binding band (taiton) 
 

to fasten the clamp same as before.

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MEMORY  CLEAR  MODE
All preset contents are cleared when this mode is activated. Use 
this mode before returning the product to clients upon completion 
of repair.
Procedure:
1.  While pressing the [TONE MODE] and [HDMI IN] buttons, 

press the [

?/1

] button to turn on the main power.

2.  The message “MEMORY CLEARING***” appears and the 

memories are reset to the default values.

3.  When done, the message “MEMORY CLEARED *” appears.

FACTORY  PRESET  MODE
The tuner preset are initialized.
Procedure:
1.  While pressing the [TUNING MODE] and [2CH/A.DIRECT] 

buttons, press the [

?/1

] button to turn on the main power.

2.  The message “Factory Preset” appears and tuner preset are ini-

tialization is preformed.

TUNER  AM  STEP  CHANGE  MODE 
(US and Canadian models)
Either the 9 kHz step or 10 kHz step can be selected for the AM 
channel step.
Procedure:
1.  Press the [

?/1

] button to turn on the main power.

2.  Turn the [INPUT SELECTOR] dial to select the “AM TUN-

ER”.

3.  Press the [

?/1

] button to turn off the main power.

4.  While pressing the [TUNING MODE] button, press the  [

?/1

] 

button to turn on the main power.

5.  Either the message “AM9k Step” or “AM10k Step” appears, 

select the desired step.

SOUND  FIELD  CLEAR  MODE
The preset sound fi eld is cleared when this mode is activated. Use 
this mode before returning the product to clients upon completion 
of repair.
Procedure:
1.  While pressing the [MUSIC] button, press the [

?/1

] button to 

turn on the main power.

2.  The message “S.F. Initialize” appears and initialization is per-

formed.

FLUORESCENT  INDICATOR  TUBE  DISPLAY  TEST
All fl uorescent segments are tested. When this test is activated, all 
segments turn on at the same time, then each segment turns on one 
after another.
Procedure:
1.  While pressing the [HDMI IN] and [MOVIE/HD-D.C.S.] but-

tons, press the [

?/1

] button to turn on the main power.

2.  All segments and all LEDs turn on.
3.  Each time [DISPLAY] button to change as follows all on, test 

pattern 1, test pattern 2, all off, all on in this order.

SWAP  MODE
The signal will be swap to all channel so that all speaker will have 
sound output.
Procedure:
1.  While pressing the [MEMORY/ENTER] and [2CH/A. DI-

RECT] buttons, press the [

?/1

] button to turn on the main 

power.

2.  The message “SWAP MODE !” appears (No change while dis-

played).

SOUND  FIELD  LOCK  ON/OFF  CHANGE  MODE
All buttons operation on/off of the front panel is changed.
Procedure:
1.  While pressing the [HDMI IN] and [MUSIC] buttons, press 

the [

?/1

] button to turn on the main power.

2.  Either the message “SETTINGS LOCK [OFF]” or “SET-

TINGS LOCK [ ON]” appears.

COMMAND  MODE  CHANGE  MODE
The command mode of the remote-commander which this set re-

ceives can be changed.

Procedure:
1.  While pressing the [2CH/A. DIRECT] button, press the [

?/1

] 

button to turn on the main power.

2.  Either the message “COMMAND MODE [AV1]” or “COM-

MAND MODE [AV2]” appears. Select the desired mode.

SOFTWARE  VERSION  DISPLAY  MODE
The software version is displayed.

Note: In this mode, never press the [

M] and [m] buttons on the remote 

commander.

Procedure:
1.  While pressing the [2CH/A.DIRECT] and [HDMI IN] buttons, 

press the [

?/1

] button to turn on the main power.

2.  The message “MAIN A56ES 

∗∗∗ vX.XX” appears.

 

Each time the [DISPLAY] button is pressed, “SUB COMMON 
C vX. XX”, “Video Ucom Ver X. XX”, “FAROUDJA Ver X. 
XX”, “FAROUDJA2nd Ver X. XX”, “GUI CGROM Ver X. 
XX”, “DSP Ucom Ver X. XX”, “DSP SFLASH Ver X.XX” 
and “DSP PFLASH Ver X. XX” this order, and returns to the 
“MAIN A56ES 

∗∗∗ vX.XX” displayed.

SHIPMENT  MODE
Initialize backup of EEPROM and Network and return to state of 
the shipment.
Procedure:
1.  While pressing the [HDMI IN], [TONE MODE] and [A.F.D.] 

buttons, press the [

?/1

] button to turn on the main power.

2.  The message “MEMORY CLEARING***” appears and return 

to state of the shipment.

3.  When done, the message “STANDBY” appears and turn off 

the main power.

REBOX  TEST  MODE
Displayed the number of times of the power on after the shipment.
Procedure:
1.  While pressing the [HDMI IN], [TONE MODE] and [MUSIC] 

buttons, press the [

?/1

] button to turn on the main power.

2.  The message “REBOX- XX” appears.

KEY  CHECK  MODE
Button check.
Procedure:
1.  While pressing the [HDMI IN], [TONE MODE] and [MOVIE/

HD-D.C.S.] buttons, press the [

?/1

] button to turn on the main 

power.

2.  Either the message “REST 15” appears.
 

Every pressing of any button other than the [

?/1

] counts down 

the buttons. The buttons which are already counted once are 
not counted again. When all buttons are pressed “REST 00” 
appears.

HISTORY  MODE
The state that the set is used is memorized.
Procedure:
1.  While pressing the [MEMORY/ENTER] and [MUSIC] but-

tons, press the [

?/1

] button to turn on the power and “HIS-

TORY” is displayed.

2.  Each time the [

M] and [m] buttons of remote commander is 

pressed, the item is switched in order as follows.

Protector generation total count

PRCT_COUNT: xxxx

Operating time until generating fi rst 
time protector (active standby is 
contained)

TTL_TIME:xxxxH xxM

Main on time until generating fi rst 
time protector

TTL_MAIN:xxxxH xxM

Factor of generating fi rst time protec-
tor

PROTECT:xxxx

Sound fi eld in fi rst time protector

SF xxxx

Input selector in fi rst time protector

INPUT:xxxx

Input mode in fi rst time protector

INMODE:xxxx

Input under lock in fi rst time protector

DSEL:xxxx

Stream under input in fi rst time 
protector

STREAM:xxxx

Channel information in fi rst time 
protector

CONFIG:xxxx

State of headphone in fi rst time 
protector

HEADPHONE:xxxx

Volume in fi rst time protector

VOL:xxxx.xxdB

Muting in fi rst time protector

MUTING:xxxx

EQ setting value in fi rst time protector

FRT BASS:xxxx.xxdB
FRT TREB:xxxx.xxdB

CNT BASS:xxxx.xxdB
CNT TREB:xxxx.xxdB

SUR BASS:xxxx.xxdB
SUR TREB:xxxx.xxdB

FH BASS:xxxx.xxdB
FH TREB:xxxx.xxdB

Level collection value each channel 
in fi rst time protector

Lv FL/FR:xx.xx/xx.xx

Lv CT/SW:xx.xx/xx.xx

Lv SL/SR:xx.xx/xx.xx
Lv BL/BR:xx.xx/xx.xx
Lv LF/RH:xx.xx/xx.xx

Total operation time after the ship-
ment

TTL_P_ON:xxxxHxxM

Main zone power on time after the 
shipment

TTL_M_ON:xxxxHxxM

Number of times of the power on 
after the shipment

REBOX: xxxx

3.  The backup data of the history mode are not initialized with 

the “MEMORY CLEAR MODE”. Initialize it with a “SHIP 
MODE”.

DMPORT  TEST  MODE
Procedure:
1.  Connect the DMPORT check jig (Part No. J-2501-309-A) with 

the DMPORT jack (CN6701) on the NETWORK board.

2.  While pressing the [HDMI IN] and [A.F.D.] buttons, press the 

[

?/1

] button to turn on the main power.

3.  The message “DMPORT OK”appears on the fl uorescent indi-

cator tube and enter the DMPORT test mode (Confi rmation of 
communication line).

 

When “NO DETECT”, “UART NG” and “UART TO” are dis-
played on the fl uorescent indicator tube, confi rm the connec-
tion of the DMPORT check jig, and enter the mode again.

  Each time the [

>] button on the remote commander is 

pressed, the connect check and adaptor version check are 
switched.

 

Press the [

.] button on the remote commander, connected 

confi rmation of the DMPORT check jig is done again.

4.  To a pin-jack of the DMPORT check jig input information 

relevant to audio signal (sine-wave 1.0 Vrms) and composite 
video signal (white 100% 1.0 Vp-p, color bar, etc.).

5. Confi rm the output of speakers and monitor TV (Confi rmation 

of analog signal).

6.  To release from this mode, press the [

x] button on the remote 

commander. 

SIRIUS  FACTORY  TEST  MODE
(US and Canadian models)
Mode to confi rm operation of SIRIUS. Doing display of ID of 
SIRIUS antenna and output of audio signal that SIRIUS antenna 
generates, it is confi rmed that there are no problems in the commu-
nication of the SIRIUS antenna and the transmission of the audio 
signal.
Procedure:
1.  The SIRIUS antenna was connected, while pressing the 
 

[TUNING MODE] and [A.F.D.] buttons, press the [

?/1

] but-

ton to turn on the main power.

2.  Whenever the [DISPLAY] button is pressed, the Module ver-

sion, SSP version, Security processor version, Audio processor 
version, Firmware product ID, Firmware product sequence ID, 
Sirius ID are displayed, next the output of the audio signal of 
1 kHz L/R, 20 Hz L/R, 10 Hz L/R, noise L, noise R and stop 
tone are switched.

SPECIAL  MENU  MODE
Procedure:
1.  Press the [

?/1

] button to turn on the main power, then while pressing the [TONE MODE] button, press the [A.F.D.], [2CH/A. DIRECT], 

[MUSIC], [MOVIE/HD-D.C.S.] button in order, the message “MENU SPECIALIZED!” appears.

2.  Press the [

M

]/[

m

] buttons of the remote commander, the message “<<< SPECIAL >>>” appears.

3.  Press the [

,

] button of the remote commander, the item is appears.

4.  Each time the [

M

]/[

m

] buttons of the remote commander is pressed, the item is switched in order as follows.

 

Some items can change the content. Display the cursor by pressing the [

,

] button of the remote commander, and changing the content 

by pressing the [

M

]/[

m

] buttons of the remote commander, and fi x the content by pressing the [

<

] button of the remote commander 

when you want to change the content of the item.

5.  To release from this mode, while pressing the [TONE MODE] button, press the [A.F.D.], [2CH/A. DIRECT], [MUSIC], [MOVIE/HD-

D.C.S.] button in order again, the message “MENU SPECIALIZE OFF” appears.

SYSTEM version display

SYSTEM VERSION X.XXX

X.XXX: System software version

MAIN Ucom version display

MAIN A56ES 

∗∗∗ vX. XX

∗∗∗: Destination 
X.XX: Main system controller software version

SUB Ucom version display

SUB COMMON C vX.XX

X.XX: Sub system controller software version

Video Ucom version display

Video Ucom Ver X. XX

X.XX: Video system controller software version

FAROUDJA version display

FAROUDJA Ver X. XX

X.XX: Video processor software version (main)

FAROUDJA (2nd) version display

FAROUDJA2nd Ver X.XX

X.XX: Video processor software version (2nd)

GUI CG-ROM version display

GUI CGROM Ver X. XX

X.XX: CG-ROM software version

DSP Ucom version display

DSP Ucom Ver X. XX

X.XX: DSP controller version

DSP serial fl ash version display

DSP SFLASH Ver X. XX

X.XX: DSP serial fl ash software version

DSP parallel fl ash version display

DSP PFLASH Ver X. XX

X.XX: DSP parallel fl ash version

IR learning Ucom version display

IR LEARNING Ver X. XX

X.XX: IR learning fi rmware version

Network processor version

NET 10A56COM Ver X. XX

X.XX: Network processor fi rmware version

DSP debug menu

< DSP DEBUG MENU >

Not used for the servicing

Network debug menu

< NETWORK DEBUG MENU >

Menu mode to enter MAC address display. If the [ENTER] but-
ton of the remote commander is pressed, entering the menu, 
and operating the following menu become possible.

MAC address display 
(Network debug menu)

MACXX:XX:XX:XX:XX:XX

XX:XX:XX:XX:XX:XX: MAC address

Network update check
(Network debug menu)

NET UPDATE CHECK?

If the [Enter] button of the remote commander is pressed, the 
checking result is displayed without connecting to network. 
“NET UPDATE CHK OK”: OK, “NET UPDATE CHK NG D”: 
DSP Ucom NG, “NET UPDATE CHK NG F1”: Faroudja1 NG, 
“NET UPDATE CHK NG F2”: Faroudja2 NG, “NET UPDATE 
CHK NG V”: Video Ucom NG, “NET UPDATE CHK NG L”: 
Learning Ucom NG, “NET UPDATE CHK NG M”: Main Ucom 
NG, “NET UPDATE CHK NG S”: Sub Ucom NG

PNX JTAG Update mode (Network 
debug menu)

JTAG UPDATE: XXX

XXX: ON or OFF

PNX polling and reset function 
(Network debug menu)

PNX POLL&RESET XXX

XXX: ON or OFF
Send a command regularly, and it is a function to reset when 
there is not reaction.

DMS on/off (Network debug menu)

DMS(ZONE4) XXX

Not used for the servicing

ZONE4 power and input (Network 
debug menu)

ZONE4:XXX INPUT:##

Not used for the servicing

DMR on/off (Network debug menu)

DMR XXX

XXX: ON or OFF

External control on/off (Network 
debug menu)

EXTERNAL CTRL XXX

XXX: ON or OFF

Network standby on/off (Network 
debug menu)

NETWORK STANDBY XXX

XXX: ON or OFF