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21

Doctor Mode

To enter into Doctor Mode 
for checking of various 
items and displaying 
EEPROM and firmware ver-
sion.

Note: The micro-processor 
version as shown is an 
example. It will be revise 
when there is an updates.

FL Display sequence Dis-
play 1 

¡  2

(Display 1)

Checksum : (Condition 1)

Checksum : (Condition 2)

Checksum : (Condition 3)

(Display 2)

The Checksum of EEPROM and firmware 
version will be display for 2 sec.

In any mode:
Press

 [    ] 

button on main unit follow by 

[4] & then [7] on remote control.

To exit Doctor Mode, press

 [

TA

]

button 

on main unit or remote control.

Version Display
(DEC)

Check sum
(HEX)

Version Display
(DEC)

No Rom correction

When EEPROM is not detected, it shall 
display only firmware version

When EEPROM is detected the version 
of the EEPROM does not match or not 
working properly [NG] is display.

When EEPROM is detected, it shall
display the [YYYY].

22

FL Display Test

To check the FL segments 
display (All segments will 
light up)

In Doctor Mode:
Press [1] button on remote control.

To cancel, press [0] button on remote 
control. It returns Doctor Mode.

To cancel, press [0] button on remote 
control. It returns Doctor Mode.

To cancel, press [0] button on remote 
control. It returns Doctor Mode.

To cancel, press [0] button on remote 
control. It returns Doctor Mode.

To exit Doctor Mode, press 

 but-

ton on main unit or remote control.

Volume Setting

 

In Doctor Mode:
Press [7] button on remote control.

In Doctor Mode:
Press [8] button on remote control.

In Doctor Mode:
Press [9] button on remote control.

Mecha Sliding Panel
Reliability 

In Doctor Mode:

Press [

] follow by [2] & then [1] 

button on remote control. 

To cancel, press [0] button on remote 
control. It returns Doctor Mode.

To exit Doctor Mode, press 

 but-

ton on main unit or remote control.

CD Traverse Test 
Mode

To check for the traverse unit 
operation. In this mode, the 
first & last track is access & 
read. (TOC). It fails when 
TOC is not completed by 10s 
or the traverse is out of 
focus. for more than 2s

Refer to 6.3.6 for more 
information

In Doctor Mode:
Press [

] follow by [1] & 

then [2] 

button on remote control. 
To cancel, press [0] button on remote 
control. It returns Doctor Mode.

To exit Doctor Mode, press 

 but-

ton on main unit or remote control.

To exit Doctor Mode, press 

 but-

ton on main unit or remote control.

To exit Doctor Mode, press 

 but-

ton on main unit or remote control.

To exit Doctor Mode, press 

 but-

ton on main unit or remote control.

To check the operation of 
sliding Panel.
Sequence as follow :
1. CD Door set to CLOSE 
position.
2. CD Door move to the left 
(CD Open direction) and 
stop at LEFT position for 1 
sec.
3. CD Door move to the 
right (CD Close direction) 
and stop at CLOSE position 
for 1 sec.
4. All the process above is 
considered as 1 cycle. Step 
(2) ~ (3) will repeat; Cycle 
Counter display increase 
every 1 cycle completed.
Refer to 

6.3.5 for more 

information

To check for preset volume 
setting
Note : In tuner mode this 
function is not possible

The counter will increment by 1 until reach 

99999999

23

Version Display
(DEC)

Check sum
(HEX)

Cold Start

The [NO DISC] display will appear after 3s,

EEPROM not detected only firmware is display

To display result of self
adjustment for CD.

The [NO DISC] display will appear after 3s,

In Doctor Mode:
Press [

] follow by [1] & then [4] 

button on remote control. 
To cancel, press [0] button on remote 
control. It returns Doctor Mode.

To exit Doctor Mode, press 

 but-

ton on main unit or remote control.

In Doctor Mode:
Press [

] follow by [1] & then [5] 

button on remote control. 
To cancel, press [0] button on remote 
control. It returns Doctor Mode.

To exit Doctor Mode, press 

 but-

ton on main unit or remote control.

In Doctor Mode:
Press [SLEEP] button on remote
control. 
To cancel, press [0] button on remote 
control. It returns Doctor Mode.

To exit Doctor Mode, press 

 but-

ton on main unit or remote control.

To cancel, press [0] button on remote 
control. It returns Doctor Mode.

To exit Doctor Mode, press 

 but-

ton on main unit or remote control.

In Doctor Mode:
Press [

] follow by [2] & then [2] 

button on remote control. 
To cancel, press [0] button on remote 
control. It returns Doctor Mode.

To exit Doctor Mode, press 

 but-

ton on main unit or remote control.

CD Self-Adjusment 
Display

CD Combination Test

To check the open/close 
operation & inner outer disc 
access operation.
1. It fails when CD 
open/close is not completed 
by 4s.
2. The disc access fails in 
10s.
3. The traverse is out of 
focus for more than 2s.

Refer to 

6.3.7 for more 

information

To activate cold start upon 
next power up.
(Backup data are initialized)

EEPROM Checksum

To check sum of EEPROM 
for a simplifield ROM 
correction.
1. When EEPROM is not 
detected, the only micro-p’s 
version shall be displayed 
without an EEPROM’s 
check sum

Auto Power down 
Detect (APD) Test

To check for the auto power 
down operation

Condition 1 (when APD is OK)

Condition 2 (when APD is abnormal operation)

In any mode:
Press

 [    ] 

button on main unit follow by 

[4] & then [7] on remote control.

24

In Doctor Mode:
Press [

] follow by [1] & then [6] 

button on remote control. 
To cancel, press [0] button on remote 
control. It returns Doctor Mode.

To exit Doctor Mode, press 

 but-

ton on main unit or remote control.

In Doctor Mode:
Press [4] button on remote control. 

To cancel, press [0] button on remote 
control. It returns Doctor Mode.

To exit Doctor Mode, press 

 but-

ton on main unit or remote control.

In Doctor Mode:
Press [5] button on remote control. 

To cancel, press [0] button on remote 
control. It returns Doctor Mode.

To exit Doctor Mode, press 

 but-

ton on main unit or remote control.

Region Setting Check

To check Region setting of 
unit.

Refer to 

6.3.8 for the Region

Setting destination

Region Setting destination

CD LSI Version No 
Check

To check CD LSI Version 
No. & checksum correction 

Bluetooth Version No. 
Check

To check Bluetooth 
Firmware Version.

DSP IC Version Check To check DSP Firmware 

mode & Version No.

Motion Sensor Check

To check Motion Sensor 
Operation.

Refer to 

6.3.9 for more 

information

MN947 Model setting

To check Model Setting.

Refer to 

6.3.10 for the Model 

Setting

L : Left side sensor
xx : “OK” or “NG”
yyy : 0 ~ 255
yyy = Min 8, Max 18 

In Doctor Mode:
Press [6] button on remote control. 

To cancel, press [0] button on remote 
control. It returns Doctor Mode.

To exit Doctor Mode, press 

 but-

ton on main unit or remote control.

To cancel, press [0] button on remote 
control. It returns Doctor Mode.

To exit Doctor Mode, press 

 but-

ton on main unit or remote control.

R : Right side sensor
xx : “OK” or “NG”
yyy : 0 ~ 255
yyy = Min 8, Max 18 

Version (decimal)

Checksum (hex)

Firmware Version No (0001~9999)

Firmware Version No 
(00~FF)

Firmware Mode 
(00~FF)

In Doctor Mode:
Press [SENSOR] key to enter “Motion 
Sensor” test mode.
Press [SENSOR] key, IR LED located at 
left side, reading measurement of PS 
Irradiance value set display as show. 

To cancel, press [0] button on remote 
control. It returns Doctor Mode.

To exit Doctor Mode, press 

 but-

ton on main unit or remote control.

In Doctor Mode:
Press [SENSOR] key to enter “Motion 
Sensor” test mode.
Press [SENSOR] key, IR LED located at 
Right side, reading measurement of PS 
Irradiance value set display as show.

In Doctor Mode:
Press [

] follow by [1] & then [8] 

button on remote control. 
To cancel, press [0] button on remote 
control. It returns Doctor Mode.

To exit Doctor Mode, press 

 but-

ton on main unit or remote control.

Model Setting