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21

An error code automatically appears on the display (LCD) when faulty operation is detected. Refer to Fig 7.1

Fig 7.1

Refer to the following table.

LCD Display

Symptom

Cause and Remedy

OVERLOAD (F61)

Speaker short, amplifier failure, electrical 
overload etc.

Speaker short and failure in power amplifier, pre-
amplifier circuits.  Check for faulty parts and replace 
with new parts if necessary.

Humidity protection activated

FANLOCK

Fan stopped

Failure fan and fan control circuits. Check for faulty 
parts and replace with new parts if necessary.

F70

Communication error between sub micro- pro-
cessor and its peripheral LSI

Failure sub-micro processor and its peripherals LSI.  
Check for faulty parts and replace with new parts if 
necessary.

F76

When the power is turned on, the unit power 
automatically turns off; the power cannot be 
turned on.

Failure in the power circuit system of the unit.  This 
may happen when the direct current electricity is sup-
plied to speaker terminals.  Check that the speaker 
wires are not shorted (bare wire touching each other) 
or that the unit is in a hot enviroment without proper 
ventillation.

U30 REM1
U30 REM2

The main unit has a different code setting 
from the remote control

Set the same remote control code for this system and 
remote control.

• If “REMOTE 2” is displayed, set remote control 

code to “2”.

• If “REMOTE 1” is displayed, set remote control 

code to “1”.

U701

The equipment connected by the HDMI cable 
is not compatible with this system’s copyright 
protection technology.

Connect equipment that is compatible with this sys-
tem’s copyright protection technology.

U704

The system is receiving video signals that are 
incompatible with it through HDMI connection.

Check the settings of the connected equipment.

U703

A problem has occurred with the HDMI con-
nection.

 Try the following to correct the problem. Consult your 
dealer if the error code remains on the display.

• Turn the connected equipment off and on again.
• Disconnect the HDMI cable then reconnect it.
• Do not connect more than 2 equipment in series to 

the output of this system.

NOT POSSIBLE FOR THIS INPUT 
SOURCE
(Scrolling)

Dolby Virtual Speaker, Dobly Pro Logic II and 
SFC are used for dual sounds.

You cannot use Dolby Virtual Speaker, Dolby Pro Logic 
II and SFC for dual sounds.

NOT POSSIBLE FOR THIS PCM 
SOURCE
(Scrolling)

Dolby Virtual Speaker, Dolby Pro Logic  and 
SFC effect with PCM signals are use with 
sampling frequency over 48 kHz.
SFC  is used for multi-channel LPCM signal.

You cannot use Dolby Virtual Speaker, Dolby Pro Logic  
and SFC effect with PCM signals with sampling fre-
quency over 48 kHz.
SFC is not available for multi-channel LPCM signal.

22

This mode can be used during servicing.

1. Plug the AC cord to the power source.  Press and hold down the [VOL +] button and the [VOL -] button, and then press the

[POWER] button at the same time.

2. The message, [SERVICE] appears on the display for three seconds, and then it will display the following. Refer to Fig 7.2  

Fig 7.2

3. To confirm the mP software version: When [VOL +] button is pressed, [M--- ****] is displayed [---] is current main micon ver-

sion; [****] is current checksum. If no ROM correction, [NO] is displayed.

When [VOL -] is pressed, display [H***], [***] is current version of HDMI micon.

Ruturning to Normal Display
Press the [POWER] button on the unit to exit the function.  The power is turned off.

This function can be used to specify which channel is faulty if the speaker output malfunction is found.
This is also useful to analyze the faulty channels on the circuits.

When [TEST] button on the remote control is pressed in the Doctor Mode, All CH Output Mode is turned on.
In this mode, analog signal input to the L channel of VCR is output to all the channels.

Ruturning to Normal Display
Press the [POWER] button on the unit to exit the function.  The power is turned off.

This mode can be used during servicing.

1. Plug the AC adapter to the power source.  Press and hold down the [INPUT SELECTOR] button and the [VOL +] button, and

then press the [POWER] button at the same time.

2. The message, “_DOCTOR_” appears on the display for three seconds, and then it will display the following. Refer to Fig 7.3  

23

Fig 7.3

Ruturning to Normal Display
Press the [POWER] button on the unit to exit the function.  The power is turned off.

Test mode function at some remote control codes as below table.

Fig 7.4

Ruturning to Normal Display
Press the [POWER] button on the unit to exit the function.  The power is turned off.

Remote Control

Test Mode Function and settings

Selector

Sound Mode

other settings

Vol/Tone

SPEAKER LEVEL

-

AUX 4

STEREO

ANALOG

-18dB/0dB

SPEAKER LEVEL

CH

AUX 3

STEREO

E2: OPT 2

Others: ANALOG

-18dB/0dB

OK

TV

STEREO

DIGITAL (OPT 1)

-48dB/0dB

SFC MUSIC

AUX 2

STEREO

DIGITAL (E2: COAX

Others: OPT 2)

-48dB/0dB

MUTE

All indicators of FL are displayed. All LED are off. Refer to Fig 7.4 
Note : After this setting, only ‘POWER’ button can be activated.

Volume Up

Check Main mP software version.
Display [M---- ****], [----] is current version; **** is current checksum. If no ROM correction, [NO] is displayed.
Volume is still increased but not displayed.

Volume Down

Check Main mP software version.
Display [H ****], [***] is current version.
Volume is still increased but not displayed.

TEST

AUX 4 (ANALOG)

VS

All CH Output Mode

-18dB/0dB

TV (OPT 1)

STEREO

Balance is set to leftmost.

-18dB/0dB

TV (OPT 1)

STEREO

Balance is set to rightmost.

-18dB/0dB

24

1. Connection of HDMI system.

2. Check of HDMI Sound (Dolby Digital Signal)

• Play back a track with signal 96kHz, 5.1ch. Check the Level and Noise output from L / R / SUBW speaker or pin..
• Play back a track with signal 192kHz, 2ch), If this source can be reproduced, it is OK.

3. Check of HDMI Picture

• The picture quality of TV is checked using DVD disc with the colour bar signal.
• [DVD TEST DISC S-20] - Track No. 2 (Flag of the rising sun)

[Colour bar disc] - Colour bar signal.

• Make on DVD Setup Picture

Comfirmed that there are neither distortion nor noise on the screen.

• If it is a picture quality equal when DVD was connected directly to TV, it is OK

1. Connect directly DVD player to TV.
2. Connect DVD player to set then connect it to TV.
3. Do the comparison for (1) and (2) if same, it is OK.