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[GC TEST MODE]
 •  This mode is used to check the fl uorescent  indicator  tube, 

LEDs, keys, JOG, VOLUME jog, model, destination and soft-
ware version.

Procedure:
1. Press [M] (iPod) button, [TUNING MODE] button and 

[DISC 2] button simultaneously.

2.  All segments in fl uorescent indicator tube and the LEDs are 

lighted up.

3.  When you want to enter to the model version and destination 

display mode, press [DISC 1] button. The model information 
appears on the fl uorescent indicator tube.

4.  Each time [DISC 1] button is pressed, the display changes 

to display software version of the software creation. The se-
quence is MC, GC, SYS, CD, CDDM, CDMA, CDMB, BDA, 
BDB, ST, TA, TM, and iPod in this order, and returns to the 
MC version display.

5.  When [DISC 3] button is pressed while the software version is 

being displayed, the date of the software creation appears.

  

When [DISC 3] button is pressed again, the display returns to 
the software version display. When [DISC 1] button is pressed 
while the date of the software creation is being displayed, the 
date of the software creation is displayed in the same order of 
software version display.

6.  Press [DISC 2] button, the key check mode is activated.
7.  In the key check mode, the fl uorescent indicator tube displays 

“K  0  J0  V0”.

   Turn the [JOG] clockwise; “J” value increases by one. Turn 

the [JOG] counterclockwise; “J” value decreases by one. Each 
time a button is pressed, “K” value increases. Press their keys 
on main unit to check whether the key is detected. However, 
once a button has been pressed, it is no longer taken into ac-
count.

   

“V” value increases in the manner of 0, 1, 2, 3 ... if [VOLUME] 
knob is turned clockwise, or it decreases in the manner of 0, 9, 
8, 7 ... if [VOLUME] knob is turned counterclockwise.

8.  When [EX-CHANGE] button is pressed after all segments 

in fl uorescent indicator tube and the LEDs light up, alternate 
segments in fl uorescent indicator tube would light up. If you 
press [EX-CHANGE] button again, another half of alternate 
segments in fl uorescent indicator tube would light up. Press 
[EX-CHANGE] button again would cause all segments lights 
up.

9.  To release from this mode, press three buttons in the same 

manner as step 1, or disconnect the power cord.

[MC TEST MODE]
 •  This mode is used to check operations of the respective sec-

tions of Amplifi er and Tuner.

Procedure:
 •  To enter MC Test Mode
1. Press [M] (iPod) button, [TUNING MODE] button and 

[DISC 3] button simultaneously.

2.  The CD ring indicators and speaker indicators fl ash on the fl u-

orescent indicator tube. The function is changed to PHONO.

 •  Check of Amplifi er
1. Press 

[v] button and a message “GEQ MAX” appears on the 

fl uorescent indicator tube. GEQ increases to its maximum.

2. Press 

[V] button and a message “GEQ MIN” appears on the 

fl uorescent indicator tube. GEQ decreases to its minimum.

3.  Press either [b] button or [B] button and a message “GEQ 

FLAT” appears on the fl uorescent indicator tube. GEQ is set to 
fl at.

4.  When the [VOLUME] knob is turned clockwise even slightly, 

the sound volume increases to its maximum and a message 
“VOLUME MAX” appears on the fl uorescent indicator tube.

5.  When the [VOLUME] knob is turned counterclockwise even 

slightly, the sound volume decreases to its minimum and a 
message “VOLUME MIN” appears on the fl uorescent indica-
tor tube.

 •  To release from MC Test mode
1.  To release from this mode, press [? / 1] button.
2.  The cold reset is enforced at the same time.

[COLD RESET]
  •  The cold reset clears all data including preset data stored in the 

RAM to initial conditions. Execute this mode when returning 
the set to the customer.

Procedure:
1. Press 

[M] (iPod) button, [TUNING MODE] button, and 

  

[? / 1] button simultaneously.

2. The 

fl uorescent indicator tube becomes blank for a while, and 

the set is reset.

[VACS ON/OFF]
 •  This mode is used to switch ON and OFF the VACS (Variable 

Attenuation Control System).

Procedure:
1. Press 

[? / 1] button to turn the set ON.

2.  Press [AMP MENU] button and [? / 1] button simultaneous-

ly. The message “VACS OFF” or “VACS ON” appears on the 
fl uorescent indicator tube.

[TUNER STEP CHANGE]
 •  The step interval of AM channels can be toggled between 9 

kHz and 10 kHz.

Procedure:
1. Press 

[? / 1] button to turn the set ON.

2.  Press [TUNER/BAND] button to select the “AM”.
3. Press 

[? / 1] button to turn the set OFF.

4.  Press [TUNING MODE] button and [? / 1] button simultane-

ously. The system will turn ON automatically. The message 
“AM 9k STEP” or “AM 10k STEP” appears on the fl uorescent 
indicator tube and thus the channel step is changed.

[CD SERVICE MODE]
 •  This mode let you move the CD sled motor freely. Use this 

mode when you want to clean the optical pick-up.

Procedure:
1. Press 

[? / 1] button to turn the set ON.

2.  Select CD function.
3. Press [M] (iPod) button, [TUNING MODE] button, and 

[DISC 5] button simultaneously.

4.  The CD service mode is activated. The message “SERVICE 

MODE” appears on the fl uorescent indicator tube.

5.  With the CD in stop status, press [M] (CD) to move the opti-

cal pick-up to outside track, or turn [m] (CD) to move to in-
side track. The message “SLED OUT” or “SLED IN” appears 
on the fl uorescent indicator tube.

6.  To turn on or off the laser, press [PLAY MODE] button. The 

message “LD ON” or “LD OFF” appears on the fl uorescent 
indicator tube.

7.  To release from this mode, press [? / 1] button.

[CD AGING MODE]
 •  This mode can be used for operation check of CD section.
  

If an error occurs, the aging operation would stops and the sta-
tus is displayed.

  

If there were no error occurs, the aging operation would con-
tinue repeatedly.

Procedure:
1. Press 

[? / 1] button to turn the set ON.

2.  Select CD function.
3.  Load 5 discs on the disc tray.
4.  Press [PLAY MODE] button repeatedly to select the “ALL 

DISCS” mode, and press the [REPEAT] button on the remote 
repeatedly to select repeat mode off.

5. Press [M] (iPod) button, [TUNING MODE] button and 

[DISC 4] button simultaneously.

6.  Aging operation is started.
7.  To release from this mode, press [? / 1] button or disconnect 

the power cord to turn the power OFF.

 

START 

(from Disc 1)

TOC Reading

Play first track for 2

seconds

Play last track for 2

seconds

EX-CHANGE open/

close

Open the disc tray

Disc skip

Close the disc tray

Change the next disc

Disc Chucking

[CD ERROR CODE MODE]
1.  Display the CD error code when an error occurred 

Procedure:
1. Press [M] (iPod) button, [TUNING MODE] button and 

[DISC SKIP] button simultaneously to enter the error code 
display mode.

2. The 

fl uorescent indicator tube displays the number of total er-

ror.

3.  Each time CD buttons is pressed, display change as below.

Display of

Total Error

FR button

FF button

Display of

Mechanical

 Errors

AMS (+)

button

FR button

FF button

AMS (–)

button

Display of

No Disc

 Errors

AMS (+)

button

AMS (–)

button

4.  To clear the error record, operate the cold reset. (Refer to the 

“MC COLD RESET”)

5.  To release from this mode, press the [? / 1] button or discon-

nect the power plug to turn the power OFF.

2.  Display of total error

Em**Ed**

  

Em**: The number of times for CDM (mechanical) errors.

  

Ed**:  The number of times for BD error (after chucking the 

disc).

 •  Display of CDM (mechanical) errors. It is show with “M” and 

11 digit number.

M*$$%%&&##00

  

M*:  The number of history error for mechanical (“0” is latest 

one)

  

 

(Press [>] (CD) button to display next error)

  

$$: Not used

  

%%: Loading related error (Second fi gure is not used)

    

D: Stop by the problem other than mechanical problem 

while closing.

    

E:  Stop by the problem other than mechanical problem 

while opening.

    

C: Stop by the problem other than mechanical problem 

while chucking up.

    

F:  Stop by the problem other than mechanical problem 

while chucking down.

  

&&: Emerging error

  

 

01: Stop while chucking up.

  

 

02: Stop while chucking up.

  

 

03: Time-out of EX-CHANGE open.

  

 

05: Time-out of EX-CHANGE close.

  

##: Not used (value is fi xed to 00)

  

00: Not used (value is fi xed to 00)

 •  Display of BD errors. It is shown with “D” and 11 digits num-

ber.

D*$$%%&&##00

  

D*: The number of error history (“0” is latest one)

  

 

(Press [>] (CD) button to display next error)

  

$$: The detail of trouble

  

 

01: Focus error

  

 

02: GFS error

  

 

03: Setup error

  

%%: Not Used

  

&&: Processing operation when trouble occurs

  

 

00: No disc judgment without chucking retry.

  

 

01: No disc judgment after chucking retry.

  

##: The state when judged as no disc

  

 

01: Stop

  

 

02: Setup

  

 

03: TOC reading

  

 

04: Access

  

 

05: Playback

  

 

06: Pause

  

 

07: Manual search (Play)

  

 

08: Manual search (Pause)

  

00: Not used (value is fi xed to 00)

[CD REPEAT 5 LIMIT OFF MODE]
 •  The number of repeat for CD playback is 5 times when the re-

peat mode is “REPEAT ALL”. This mode enables CD to repeat 
playback for limitless times.

Procedure:
1. Press 

[? / 1] button to turn the set ON.

2.  Select CD function.
3. Press [M] (iPod) button, [TUNING MODE] button and 

[EX-CHANGE] button simultaneously to enter the CD repeat 
5 limit off mode and the fl uorescent indicator tube displays 
“LIMIT OFF”.

4.  To release from this mode, operate the cold reset. (Refer to the 

“MC COLD RESET”)

[CD SHIP MODE (WITH MEMORY CLEAR)]
 •  This mode moves the optical pick-up to the position durable to 

vibration and clears all data including preset data stored in the 
RAM to initial conditions. Use this mode when returning the 
set to the customer after repair.

Procedure:
1. Press 

[? / 1] button to turn the set ON.

2.  Select CD function.
3.  Press [EX-CHANGE] button and [? / 1] button simultane-

ously. The set will power off automatically.

4.  After the “STANDBY” blinking display fi nishes, a message 

“MECHA LOCK” is displayed on the fl uorescent  indicator 

tube and the CD ship mode is set.

5.  Then AC power OFF.

[CD SHIP MODE (WITHOUT MEMORY CLEAR)]
 •  This mode moves the optical pick-up to the position durable 

to vibration. Use this mode when returning the set to the cus-
tomer after repair.

Procedure:
1. Press 

[? / 1] button to turn the set ON.

2.  Select CD function.
3.  Press [DISC SKIP] button and [? / 1] button simultaneously. 

The set will power off automatically.

4.  After the “STANDBY” blinking display fi nishes, a message 

“MECHA LOCK” is displayed on the fl uorescent  indicator 
tube and the CD ship mode is set.

5.  The AC power OFF.

[CD POWER MANAGE]
 •  This mode let you switch on or off power supply to the BU 

during TUNER function. 

  •  When CD POWER is set to OFF, the power supply to the BU is 

cut off during TUNER function. It will increase the time taken 
to access CD when function change from TUNER to CD but it 
will improve tuner reception.

 •  When CD POWER is set to ON, the power supply to the BU 

is not cut off during TUNER function. It will reduce the time 
taken to access CD when function change from TUNER to CD 
but it will decrease tuner reception performance.

Procedure:
1. Press 

[? / 1] button to turn the set ON.

2.  Select CD function.
3. Press 

[? / 1] button to turn the set OFF.

4.  When demonstration appear, press [x] (CD) button and 
  

[? / 1] button simultaneously. The set will power on automati-
cally.

5.  The message “CD POWER ON” or “CD POWER OFF” will 

be displayed on the fl uorescent indicator tube.

[CD TRAY LOCK MODE]
  •  This mode let you lock the disc tray. When this mode is activat-

ed, the disc tray will not open when [OPEN/CLOSE] button or 
[EX-CHANGE] button is pressed. The message “LOCKED” 
will be displayed on the fl uorescent indicator tube.

Procedure:
1. Press 

[? / 1] button to turn the set ON.

2.  Select CD function.
3.  Press and hold [x] (CD) button and [Z OPEN/CLOSE] but-

ton simultaneously until “LOCKED” or “UNLOCKED” dis-
played on the fl uorescent indicator tube (around 5 seconds).

[VACS DISPLAY]
 •  This mode is used to check the VACS level.

Procedure:
1. Press 

[? / 1] button to turn on the system.

2. Press [M] (iPod) button, [TUNER MEMORY] button and 

[DISC 3] button simultaneously.

3.  During the VACS Level Display Mode, the fl uorescent indi-

cator tube displays “VACSx APy”. “x” represent VACS level 
which is triggered by signal level, and “y” represent APVACS 
(Abuse Protection VACS) level which is triggered.

Note:
1.  CD Block is basically designed to operate without adjustment. 

Therefore, check each item in order given.

2.  Use YEDS-18 (3-702-101-01) unless otherwise indicated.
3.  Use an oscilloscope with more than 10M

Ω impedance.

4.  Clean the object lens by an applicator with neutral detergent 

when the signal level is low than specifi ed value with the fol-
lowing checks.

Procedure:
1.  Connect oscilloscope to JPO102 (FEI) and TP177 (VC).
2.  Press the [\ / 1] button to turn the power ON.
3.  Load a disc (YEDS-18) and actuate the focus search. (In con-

sequence of open and close the disc tray, actuate the focus 
search)

4. Confi rm that the oscilloscope waveform (S-curve) is symmet-

rical between A and B. And confi rm peak to peak level within 
3 ±0.5 Vp-p.

Note:  •  Try to measure several times to make sure than the ratio 

of A : B or B : A is more than 10 : 7.

 

•  Take sweep time as long as possible and light up the 

brightness to obtain best waveform.

Procedure:
1.  Connect oscilloscope to TP124 (RFACO) and TP177 (VC).
2.  Press the [\ / 1] button to turn the power ON.
3.  Load a disc (YEDS-18) and playback.
4. Confi rm that oscilloscope waveform is clear and check RFAC 

signal level is correct or not.

Note: Clear RF signal waveform means that the shape “◊” can be 

clearly distinguished at the center of the waveform.