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13

• Display when ended abnormally
When the tape deck is abnormal:

The state when ended abnormally is displayed.
The contents of display are the same as that during aging.

A message indicating that errors such as “CD MEC ERR” have occurred.
Check the error contents in the following error history display mode.

Mode which enables the history of error occurring in the CD player to be checked.
Execute this mode after ending the aging mode.

Procedure:
1.

Press the  ?/1  button to turn the set ON.

2.

Press the three buttons   c/CLOCK SET  ,  ENTER  , and  CD SYNCHRO  simultaneously.

3.

A message such as “EMC@@EDC**” is displayed.

@@ : Number of mechanical errors (Up to three past errors)
**

: Number of errors (NO DISC ERROR) which occurs after chucking (Up to three past errors)

4.

When checking the history of mechanical errors, press the  PLAY MODE  button. When checking errors after chucking, press the
REPEAT  button to switch the display.

5.

Press the  ?/1  button to end and turn the set OFF.

6.

To erase the error history, perform COLD reset.
(Press the three buttons   c/CLOCK SET  ,  ENTER  , and  DISC 1  simultaneously.

• Viewing the mechanical error history display

(Switch the history by pressing the  PLAY MODE  button.)

Display
  E@@M#*****

@@ : Error number. 00 is the newest.

#

: Operating state of table

0

: Currently in the INITIAL mode

7

: Currently rotating to the right

8

: Currently rotating to the left

A

: Currently chucking down

B

: Currently chucking up

*

: Invalid

• Viewing the NO DISC ERROR history display

(Switch the history by pressing the  REPEAT  button.)

Display
  E@@D##$$%*

@@ : Error number. 00 is the newest

##

: Error contents

01: Focus error
02: GFS error
03: Setup error

$$

: Retries

00: NO DISC is determined without attempting chucking

retry

02: NO DISC is determined after chucking retry.

%

: State when determined as NO DISC

1

: When stopped

2

: At setup

3

: At TOC READ

4

: When accessing

5

: When playing

6

: When pausing

7

: When manual searching (during play)

8

: When manual searching (during pausing)

*

: Invalid

14

[VIDEO CD Color-bars Mode]
On this mode, the data of the color-bars signal as a picture signal
and the 1 kHz sine wave signal as a sound signal are output by the
mechanism controller (IC502) for the video CD signal check.  When
measurement of the voltage and waveform on the VIDEO board,
perform it in this mode.
For reference, the color-bars signal can be observed at J302 (VIDEO
OUT) and the sound signal can be observed at J101 (VIDEO/MD
(AUDIO) OUT) using an oscilloscope.
Procedure:
1. Short the both ends of the land of SL503 of the VIDEO board.
2. Turn the power on. Press the 

[FUNCTION]

 button to select CD.

3. The color-bars appears when the CD is in stop status, and it

disappears when the CD goes in play status.

4. After measuring, remove the lead wire connected.

15

Precaution
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.

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 1 dB of peak.

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 adjusted.

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.

Note: Perform this adjustments for both decks.

Procedure:
1.

Mode : Playback

P-4-A100

WS-48B

P-4-L300

10 kHz, –10 dB

3 kHz, 0 dB

315 Hz, 0 dB

Azimuth Adjustment

Tape Speed Adjustment

Level Adjustment

3.06 N • m to 6.96 N • m

31 to 71 g • cm

(0.43 – 0.98 oz • inch)

0.19 N • m to 0.58 N • m

2 to 6 g • cm

(0.02 – 0.08 oz • inch)

3.06 N • m to 6.96 N • m

31 to 71 g • cm

(0.43 – 0.98 oz • inch)

0.19 N • m to 0.58 N • m

2 to 6 g • cm

(0.02 – 0.08 oz • inch)

6.96 N • m to 14.02 N • m

71 to 143 g • cm

(0.98 – 1.99 oz • inch)

9.80 N • m

100 g or more

(3.53 oz or more)

9.80 N • m

100 g or more

(3.53 oz or more)

CQ-102C

CQ-102C

CQ-102RC

CQ-102RC

CQ-201B

CQ-403A

CQ-403R

FWD

FWD

back tension

REV

REV

back tension

FF/REW

FWD tension

REV tension

16

4.

After the adjustments, apply suitable locking compound to the
parts adjusted.

Adjustment Location: Playback Head (Deck A)

Record/Playback/Erase Head (Deck B)

3.

Mode: Playback

Note: Set the test mode using the following method and begin tape

speed adjustment.
In the test mode, the speed will switch to double speed or
normal speed each time the  HI-SPEED DUB  button is pressed.

Procedure:
With the power turned ON, press the c/CLOCK SET  button,
ENTER  button, and  DISC 3  button simultaneously.
(The “VOLUME” on the fluorescent display tube will blink while
in the test mode.)
To exit the test mode, press the  ?/1  button.

1.

Insert the WS-48B into deck B.

2.

Press the  H  button of deck B.

3.

Press the  HI-SPEED DUB  button and play the tape at double speed.

4.

Adjust RV1001 of the LEAF SW board so that the reading of
the frequency counter becomes 6000 ± 180 Hz.

5.

Press the  HI-SPEED DUB  button and play the tape at normal speed.

6.

Adjust RV1002 of the LEAF SW board so that the reading of
the frequency counter becomes 3000 ± 90 Hz.

Adjustment Location: LEAF SW board

W.RMS (JIS) less than 0.3%
(test tape: WS-48B)

Procedure:
Mode: Playback

Deck A is RV311 (L-CH) and RV411 (R-CH), deck B is RV301
(L-CH) and RV401 (R-CH)
so that adjustment within the following adjustment level.

Adjustment level:
CN301 playback level: 301.5 to 338.3 mV (–8.2 to –7.2 dB)
level difference between the channels: within ± 0.5 dB
Adjustment Location: AUDIO board

°

°

°

°