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29

• Display the CD error code when an error occurred

1. Press  

@/1

  button to turn on the system.

2. Press  

x

    button,  [ENTER]  button and [DISC 1]  button

simultaneously to enter the error code display mode.

3. The fluorescent indicator tube displays the number of total

error.

4. Each time  

m/

–

 

  button or  

M/ 

 

+

  button is pressed,

display change as below.

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

“COLD RESET”)

6. To release from this mode, press the  

@/1

  button or disconnect

the power plug to turn off the system.

• Display of total error

Em** : The number of mechanical errors.
Ed** : The number of no disc errors after chucking the disc.

• Display of mechanical errors

M*

: The number of mechanical error (“0” is latest one)

(Press  

>

  button to display the 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 down.

03

: Time-out of EX-CHANGE open.

05

: Time-out of EX-CHANGE close.

##

: Not used

• Display of no disc errors

D*

: The number of no disc error (“0” is latest one)

(Press  

>

  button 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)

• To release from this mode, press  

@/1

  button.

• 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 system.

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”.

• 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 during the next AC-In. Use this
mode when returning the set to the customer after repair.

1. Press  

@/1

  button to turn on the system.

2. Select CD function.
3. Press  

x

    button,  [DISC 1]  button and  

@ / 1

    button

simultaneously. The system turns 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 OF

TOTAL ERROR

DISPLAY OF

MECHANICAL

ERRORS

BUTTON

DISPLAY OF

NO DISC

ERRORS

BUTTON

BUTTON

BUTTON

BUTTON

BUTTON

.

/TUNING –

>

/TUNING +

BUTTON

>

/TUNING +

M

/      +

.

/TUNING –

m

/–

BUTTON

m

/–

M

/      +

Em**Ed**

DISPLAY

M*$$%%&&##00

DISPLAY

D*$$%%&&##00

DISPLAY

30

• 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 system.

2. Select CD function.
3. Press [CD] button and  

@/1

  button simultaneously. The system

turns 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 CD

and USB block during TUNER function.

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

the CD and USB block is cut off during TUNER function. It
will increase the time taken to access CD or USB device when
the function change from TUNER to CD or USB but it will
improve tuner reception.

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

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

1. Press  

@/1

  button to turn on the system.

2. Select CD function.
3. Press  

@/1

  button to turn off the system.

4. Press  

x

  button and  

@/1

  button simultaneously. The system

turns on automatically.

5. The message “CD/USB POWER ON” or “CD/USB POWER

OFF” will be displayed on the fluorescent indicator tube.

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

activated, the disc tray will not open when  

Z

  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 system.

2. Select CD function.
3. Press  

x

  button and  

Z

  button simultaneously and hold down

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

• This mode prevents the system from turning off automatically

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

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

[CD-TAPE SYNC] button and  

@/1

  button simultaneously. The

system turns on automatically.

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

fluorescent indicator tube.

• This mode let you disable the remote commander reception.

When this mode is activated, the system will not response if
the button on the remote commander is pressed. The message
“Remote Disable” appears on the fluorescent indicator tube.
This mode is essential for conducting test and repairing when
no interruption from the other remote commander is expected.
This mode is cancelled automatically when the system is turned
off.

1. Press  

@/1

  button to turn on the system.

2. Press  

x

    button,  [FLANGER]  button and [DISC 2]  button

simultaneously until “Remote Disable” or “Remote Enable”
appears on the fluorescent indicator tube.

• This mode is use to load all the factory use preset frequencies

into FM 1-FM 20 and AM 1-AM 10. Originally, frequency of
FM 1-FM 20 and AM 1-AM10 are set to the minimum.

1. Press  

@/1

  button to turn on the system.

2. Press  

@/1

    button,  [TUNER/BAND]  button and  

Z

    button

simultaneously and the message “Factory” appears on the
fluorescent indicator tube. The function is changed to TUNER
automatically.

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

the “COLD RESET”).

• This mode is used to check the VACS level.

1. Press  

@/1

  button to turn on the system.

2. Press  

x

  button, [CD] button and [DISC SKIP/EX-CHANGE]

button simultaneously.

3. The fluorescent indicator tube displays “V$T% F AP#”.

“V” represents Conventional VACS (Triggered by signal level)
“T” represents Thermal VACS NEO (Triggered by
temperature)
“AP” represents APVACS (Abuse Protection VACS)
“$” is the Conventional VACS level.
“%” is the Thermal VACS NEO level.
“#” is the APVACS level.
“F” is shown if the fan is triggered by software to turn in high
speed.

• To release from VACS display mode, do the step (2) again.

• MP3 Booster is built-in features of this model. It turns on

automatically when the MP3 audio track is played back. By
using this mode, you can turn on or off the MP3 Booster
manually.

1. Press  

@/1

  button to turn on the system.

2. Select CD function and play back an MP3 audio track.
3. Press [RETURN] button, [FLANGER] button and [DISC 3] button

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

31

  Perform this adjustments for both decks

1. Mode:  Playback

2. Turn the adjustment screw and check output peaks. If the peaks

do not match for L-CH and R-CH, turn the adjustment screw
so that outputs match within 1dB of peak.

screw
position

L-CH
peak

within
1dB

output
level

L-CH
peak

R-CH
peak

within
1dB

screw
position

R-CH
peak

0 dB = 0.775 V

set

JACK board
PHONES jack
(J904)

+
–

level meter 

test tape
P-4-A100
(10 kHz, 

−

10 dB)

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.

•

P-4-A100

10 kHz, –10 dB

Azimuth Adjustment

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

swab :

record/playback heads

pinch roller

erase head

rubber belts

capstan

idlers

2. Demagnetize the record/playback head with a head

demagnetizer. (Do not bring the head magnetizer close to the
erase head.)

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

30 to 70 g • cm

(0.42 – 0.97 oz • inch)

0.15 mN • m to 0.59 mN • m

2 to 6 g • cm

(0.03 – 0.08 oz • inch)

4.8 mN • m to 16.7 mN • m

49 to 170 g • cm

(0.68 – 2.36 oz • inch)

CQ-102C

CQ-102C

CQ-201B

FWD

FWD
back tension

FF/REW

32

1. Turn the power on.
2. Input the following signal from Signal Generator to FM

antenna input directly.

* Carrier Freq : A = 87.5 MHz, B = 98 MHz, C = 108 MHz

Deviation

: 75 kHz

Modulation : 1 kHz
ANT input

: 35 dBu (EMF)

Please use 75 ohm “coaxial cable” to connect SG and the set. You
cannot use video cable for checking.
Please use SG whose output impedance is 75 ohm.

3. Set to FM tuner function and tune A, B and C signals.
4. Confirm “TUNED” is lit on the display for A, B and C signals.

The mark of “TUNED” means “The selected station signal is
received in good condition.”

3. Mode:  Playback

4. After the adjustments, apply suitable locking compound to

the pats adjusted.

Adjustment Location:  Playback Head (Deck A).

Record/Playback/Erase Head (Deck B).

set

test tape
P-4-A100
(10 kHz, 

−

10 dB)

oscilloscope

V

H

waveform of oscilloscope

in phase 45

°

90

°

135

°

180

°

good

wrong

JACK board
PHONES jack
(J904)

forward

DECK A

DECK B

FM signal generator

OUT (75 

Ω

)

SET

0 dB = 1 

µ

V