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17

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

Attenuation Control System).

1. Press 

?/1

 button to turn on the set.

2. Press x  button and [DIRECTION] button and [DISC 1] button

simultaneously. The message “VACS OFF” or “VACS ON”
appears on the fluorescent indicator tube.

• The step interval of AM channels can be toggled between 9

kHz and 10 kHz.

1. Press 

?/1

 button to turn  on the set.

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

3. Press 

?/1

 button to turn  off the set.

4. Press [ILLUMINATION/SUB WOOFER LEVEL] button and

?/1

  button simultaneously. The system will turn on

automatically. The message “AM 9K STEP” or AM 10K
STEP” appears on the fluorescent indicator tube and thus the
channel step is changed.

• This mode let you move the CD sled motor freely. Use this

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

1. Press 

?/1

 button to turn  on the set.

2. Select CD function.

3. Press   x   button, [ILLUMINATION/SUB WOOFER LEVEL]

button and 

Z

OPEN/CLOSE

 button simultaneously.

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

MODE” appears on the fluorescent indicator tube.

5. With the CD in stop status, press 

M

  button to move the

optical pick-up to outside track, or press 

m

  button to move

to inside track. The message “SLED OUT” or “SLED IN”
appears on the fluorescent indicator tube.

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

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

7. To release from this mode, press 

?/1

 button.

This mode can be used for operation check of CD section.

• If an error occurs, the aging operation would stops and the

status is displayed.

• If there were no error occurs, the aging operation would

continue repeatedly.

1. Press 

?/1

 button to turn on the set.

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

the “ALL DISCS” mode, and press the [REPEAT] button on
the remote repeatedly to select “REPEAT OFF” mode.

5. Press  x button, [ILLUMINATION/SUB WOOFER LEVEL]

button, and[DISC SKIP/EX-CHANGE]  button
simultaneously.The CD ring indicator and line below CD
ring indicator turn on afternately to indicate aging mode.

6. Aging operation is started.

7. To release from this mode, press 

?/1

 button or disconnect

the power plug.

Aging mode sequence:

Start (from disc 1)

Disc chucking

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 disk tray

Change to the next disc

18

1. Press x button, [ILLUMINATION/SUB WOOFER

LEVEL] button and [DISC 1] button simultaneously to
enter the error code display mode.

2. The fluorescent indicator tube displays the number of total

error.

3. Each time  m  or  M  button is pressed, display change as

below.

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

“COLD RESET”)

5. To  release from this mode, press the 

?/1

  button or

disconnect the power plug.

1) Display of total error

EM**: The number of mechanical errors.
ED**: The number of no disc errors after chucking the disc.

2) Display of mechanical errors

M*: The number of mechanical error (“00” is latest one)

(Rotate 

>

.

 knob in the direction of either to display next

error)
$$: Not used
%%: Loading related error (Second figure 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

Display

M*$$%%&&##00

3) Display of no disc errors

D*: The number of no disc error (“00” is latest one)

(Rotate 

>

.

 knob in the direction of either to display next

error)
$$: Error type

01:

Focus error

02:

GFS error

03:

Setup error

%%: Not used
&&:

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)

• The number of repeat for CD playback is 5 times when the

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

1. Press 

?/1

 button to turn on the set.

2. Select CD function.

3. Press x button, [CD] button and [DISC 1] button

simultaneously to enter the CD repeat 5 limit off mode and
the fluorescent indicator tube displays “LIMIT OFF”.

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

the “COLD RESET”)

• 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.

1. Press 

?/1

 button to turn on the set.

2. Select CD function.

3. Press  x  button,  [DIRECTION]  button and 

?/1

    button

simultaneously. The set will turn off automatically.

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

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

Display

D*$$%%&&##00

Display

EM**ED**

Display of total error

                                

M

 

  m

 >

Display of Mechanical errors

  

.

direction

direction

                  

M

   

   m

 >

Display of no disc errors

  

.

direction

direction

19

• This mode let you lock the disc tray. When this mode is

activated, the disc tray will not open when 

Z

OPEN/CLOSE

button or [DISC SKIP/EX-CHANGE]  button is pressed. The
message “LOCKED” will be displayed on the fluorescent
indicator tube.

1. Press 

?/1

 button to turn on the set.

2. Select CD function.

         

3. Press  x  button and 

Z

OPEN/CLOSE

 button

simultaneously and hold down until “LOCKED” or
“UNLOCKED” displayed on the fluorescent indicator tube
(around 5 seconds).

• This mode prevents set from power off automatically when

TCM is not connected.
Therefore, measurements can be done even when TCM is not
connected during production.

• Procedure:

1. When the set in turned off, press [EQ BAND/MEMORY]

button,   [TAPE A/B] button  and 

?/1

 button simultaneously.

The set will turn on automatically.
2. The message “TCM OFFLINE” will be displayed on the

fluorescent indicator tube.

• This mode moves the optical pick-up to the position durable

to vibration. Use this mode when returning the set to the
customer after repair.

1. Press 

?/1

 button to turn on the set.

2. Select CD function.

3. Press [CD] button and 

?/1

 button simultaneously. The set

will turn off automatically.

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

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

• 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.

1.  Press 

?/1

 button to turn on the set.

2. Select CD function.

3. Press 

?/1

 button to turn off the set.

               

4. Press  x  button and 

?/1

 button simultaneously. The set

will turn on automatically.

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

be displayed on the fluorescent indicator tube.

20

1. Clean the following parts with a denatured alcohol-moistened

swab:
record/playback heads pinch rollers
erase head

rubber belts

capstan

idlers

2. Demagnetize the record/playback head with a head

demagnetizer.

3. Do not use a magnetized screwdriver for the adjustments.
4. After the adjustments, apply suitable locking compound to

the parts adjusted.

5. The adjustments should be performed with the rated power

supply voltage unless otherwise noted.

2.9 mN • m to 6.9 mN • m

FWD

CQ-102C

30 to 70 g • cm

(0.42 – 0.97 oz • inch)

FWD

0.15 mN • m to 0.59 mN • m

back tension

CQ-102C

1.6 to 6 g • cm

(0.022 – 0.08 oz • inch)

4.8 mN • m to 16.7 mN • m

FF/REW

CQ-201B

49 to 170 g • cm

(0.69 – 2.36 oz • inch)

Mode

Torque meter

Meter reading

0 dB=0.775 V

1. Demagnetize the record/playback head with a head

demagnetizer.

2. Do not use a magnetized screwdriver for the adjustments.
3. After the adjustments, apply suitable locking compound to the

parts adjust.

4. The adjustments should be performed with the rated power

supply voltage unless otherwise noted.

5. The adjustments should be performed in the order given in

this service manual.  (As a general rule, playback circuit
adjustment should be completed before performing recording
circuit adjustment.)

6. The adjustments should be performed for both L-CH and R-

CH.

7. Switches and controls should be set as follows unless otherwise

specified.

• Test Tape

  Perform this adjustments for both decks

1. Mode:  Playback

P-4-A100

10 kHz, –10 dB

Azimuth Adjustment

set

MAIN board
CN121
Pin 

3

 (L-CH)

Pin 

1

 (R-CH)

MAIN board
CN121
Pin 

2

 (GND)

+
–

level meter

test tape
P-4-A100
(10 kHz, –10 dB)