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11

3

1

2

Note: When the disc table is installed, adjust the positions of  roller cam

and mark 

B

 as shown in the figure, then set to the groove of disc

table.

1

×

A

2

3

4

A

12

• 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.

Procedure:
1. Press the

?

/

1

button to turn the power ON.

2. Press the 

[LOOP]

 and

?

/

1

buttons simultaneously.

3. A message “LOCK” is displayed on the fluorescent indicator

tube, and the CD delivery mode is set.

Procedure:
1. Press three buttons of 

[    /CLOCK SET]

, 

[ENTER/NEXT]

,

and 

[DISC 2]

 simultaneously.

2. LEDs and fluorescent indicator tube are all turned on.

Press the 

[DISC 2]

 button, and the key check mode is acti-

vated.

3. In the key check mode, the fluorescent indicator tube displays

“K 0 J0 V0”. Each time a button is pressed, “K” value in-
creases. However, once a button is pressed, it is no longer taken
into account.
“J” value increases like 1, 2, 3 ... if turn the JOG dial clock-
wise, or it decreases like 0, 9, 8 ... if turn the JOG dial counter-
clockwise.
“V” value increases like 1, 2, 3 ... if turn the 

[VOLUME]

 dial

clockwise, or it decreases like 0, 9, 8 ... if turn the JOG dial
counterclockwise.

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

manner as step 1, or disconnect the power cord.

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• 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. Turn the power ON or set to the DEMO mode.
2. Press three buttons of 

[    /CLOCK SET]

, 

[ENTER/NEXT]

, and

?

/

1

simultaneously.

3. The set is reset, and displays “COLD RESET”, then becomes

DEMO mode.

• This mode resets the set with the preset data kept stored in the

memory. The hot reset mode functions same as if the power
cord is plugged in and out.

Procedure:
1. Turn the power ON or set to the DEMO mode.
2. Press three buttons of 

[    /CLOCK SET]

, 

[ENTER/NEXT]

,

and 

[DISC 1]

 simultaneously.

3. The set is reset, and becomes standby state.

• The AM tuning interval can be changed over 9 kHz or 10 kHz.
Procedure:
1. Press the

?

/

1

button to turn the power ON.

2. Select the function “TUNER”, and press the 

[TUNER/BAND]

button to select the BAND “AM”.

3. Press the

?

/

1

button to turn the power OFF.

4. Press the 

[ENTER/NEXT]

 and

?

/

1

buttons simultaneously,

and the display on the fluorescent indicator tube changes to
“AM 9 K STEP” or “AM 10 K STEP”, and thus the tuning
interval is changed over.

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13

This mode can be used for operation check of tape deck section.
Tape deck section work in parallel.
• If an error occurred:

The aging operation stops and display then status.

• If no error occurs:

The aging operation continues repeatedly.

Procedure:
1. Load the tapes into the decks A and B respectively.
2. Press the 

[FUNCTION]

 button to select the function “CD”.

3. Press the 

[PLAY MODE]

 button to set the “ALL DISCS” mode,

and press the 

[REPEAT]

 button to “REPEAT” off.

4. Press three buttons of 

[    /CLOCK SET]

, 

[ENTER/NEXT]

,

and 

[DISC 4]

 simultaneously.

5. The aging mode is activated, if the indicator of disc tray num-

ber on the fluorescent indicator tube is blinking.

6. To release from the aging mode, press the

?

/

1

button to turn

the power OFF and operate the cold reset. (Refer to the “MC
Cold Reset”)

1. Display at the Aging Mode

• Display operating state of tape deck section alternately.
• If an error occurred, stop display.

2. Tape Deck Section

• The sequence during the aging mode is following as below.
• If an error occurred, stop display that step.

Rewind the tape A and B

“TAPE A AG-1”

Shut off

FWD play the tape A

“TAPE A AG-2”

2 minutes

Fast forward the tape A

“TAPE A AG-3”

Shut off or 20 seconds

REV play the tape A

“TAPE A AG-4”

2 minutes

Rewind the tape A

“TAPE A AG-5”

Shut off

FWD play the tape B

“TAPE B AG-2”

2 minutes

Fast forward the tape B

“TAPE B AG-3”

Shut off or 20 seconds

REV play the tape B

“TAPE B AG-4”

2 minutes

Rewind the tape B

“TAPE B AG-5”

Shut off

 “TAPE 

*

 AG-

*

” is display of each step.

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14

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 demagne-

tizer.

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 sup-

ply voltage unless otherwise noted.

Mode

Torque Meter

Meter Reading

3.1 to 6.96 mN•m

FWD

CQ-102C

(31 to 71 g•cm)

(0.43 – 0.98 oz•inch)

FWD

0.20 to 0.58 mN•m

back tension

CQ-102C

(2 to 6 g•cm)

(0.03 – 0.08 oz•inch)

3.1 to 6.96 mN•m

REV

CQ-102RC

(31 to 71 g•cm)

(0.43 – 0.98 oz • inch)

REV

0.20 to 0.58 mN•m

back tension

CQ-102RC

(2 to 6 g•cm)

(0.03 – 0.08 oz • inch)

6.97 to 14.02 mN•m

FF/REW

CQ-201B

(71 to 143 g•cm)

(0.99 – 1.99 oz • inch)

9.80 mN•m

FWD tension

CQ-403A

(100 g or more)

(3.53 oz or more)

9.80 mN•m

REV tension

CQ-403A

(100 g or more)

(3.53 oz or more)

1. Demagnetize the record/playback head with a head demagne-

tizer.

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 ad-
justment 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 other-

wise specified.

8. Set to  the DOLBY NR OFF.
9. Set to the test mode.

(1) Press the

?

/

1

button to turn the power ON.

(2) Select the function “TAPE A or B”.
(3) Press the button of 

[    /CLOCK SET]

, 

[ENTER/NEXT]

,

and 

[DISC 3]

 simultaneously, to set the tape deck test mode

and displays “TEST MODE”  on the fluorescent indicator
tube.

(4) To release from the test mode, press the

?

/

1

button.

• Test Tape

Tape

Signal

Used for

P-4-A100

10 kHz, – 10 dB

Azimuth Adjustment

WS-48B

3 kHz, 0 dB

Tape Speed Adjustment

P-4-L300

315 Hz, 0 dB

Playback Level Adjustment

0 dB = 0.775 V

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