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21

2

five solders

6

two gears
(stocker communication)

4

gear
(stocker communication)

CONNECTOR board

7

two screws 

(PTPWH2.6

 

×

 8)

5

screw 

(PTPWH2.6

 

×

 8)

3

screw 

(PWH2

 

×

 6)

rotary encoder
(S702)

gear
(stocker 
communication)

– rear –

1

rotary encoder
(S702)

Engage the rotary encoder (S702)
and the gear (stocker communication)
as shown below in the figure.

2

cam 

(stocker V)

3

screw 

(PTPWH2.6

 

×

 8)

4

two cams 

(stocker U/D)

5

two screws 

(PTPWH2.6

 

×

 8)

boss

boss

rotary encoder
(S702)

Install the stocker assy 
fitting three bosses into the 
each groove of cam 
then fix by rotating the cams 
in the direction of arrow.

hole

gear
(stocker communication)

– rear –

screw

1

Position the hole on the gear 
(stocker communication) on the
screw of the rotary encoder (S702).

To install three cams, align each groove
of the cam with each 

f

 mark on the 

chassis as shown in the figure.

cam 

22

*

Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step. (EXCEPT AEP,UK)

Procedure:
1. Set the FUNCTION to AM.
2. While depressing the  >  button, press the  ?/1  button.
3. The channel step is changed over.

*

This mode can run the CD sled motor freely. Use this mode, for
instance, when cleaning the pickup.

Procedure:
1. Press the  ?/1  button to turn the set on.
2. While depressing the  CD u  button, Press the  DIRECTION

button. The message “CD TEST” is displayed.

3. With the CD in stop status, press the  >  button to move the

pickup to outside track, or press the  .    button to inside
track.

4. When press the  CD u  button, normal playback is performed.
5. Each time the  CD u    button is pressed during normal

playback, the tracking servo is switched on or off.

6. To exit this mode, either change to other functions or extract

an AC plug.

Procedure:
1. Press the  ?/1  button to turn the set on.
2. Select the FUNCTION to CD.
3. Press two buttons of  >  and  DIRECTION  simultaneously.
4. The repeat all mark blinks and then repeat 5 times limit is

released.

*

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 the  ?/1  button to turn off the main power.
2. While depressing the  i-Bass  button, press the  ?/1  button.
3. The fluorescent indicator tube does not display any message

and the set is reset.

*

The version of the microcomputer is displayed.

Procedure:
1. Press the  ?/1  button to turn the set on.
2. To  enter the test mode, press three buttons  FUNCTION ,

DISPLAY and  i-Bass  simultaneously. The version of the
microcomputer is displayed.

*

All fluorecent segments are tested.

Procedure:
1. Press the  ?/1  button to the set on.
2. While depressing the  FUNCTION  button, Press the  DISPLAY

button.

3. The message “CD TEST” is displayed, the initialization is

performed.

Then all segments of the fluorecent indicator tube are turned on.

*

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 set on.
2. Set the FUNCTION to CD.
3. Press two buttons of  Z CD  and  >  simultaneously for more

than two seconds.

4. After a message “MECHA LOCK” is displayed on the

fluorescent indicator tube, the CD ship mode is set and the power
is turned off.

The disc tray lock function for the antitheft of an demonstration
disc in the store is equipped.
Setting Procedure :
1. Press the  ?/1   button to turn the set on.
2. Press two buttons of  x  and  Z CD  simultaneously for five

seconds.

3. The message “LOCKED” is displayed and the tray is locked.
Releasing Procedure :
1. Press two buttons of  x  and  Z CD  simultaneously for five

seconds again.

2. The message “UNLOCKED” is displayed and the tray is

unlocked.

When “LOCKED” is displayed, the tray lock is not released
by turning power on/off with the  ?/1  button.

*

This mode is used to check the function of the amplifier.

Procedure:
1. Press the  ?/1   button to turn the set on.
2. While depressing the  x  button, Press the  DISPLAY  button.
3. The message “Volume MAX” is displayed, when the  VOLUME

knob is rotated clockwise. The message “Volume MIN” is
displayed, when the  VOLUME  knob is rotated counterclockwise.

4. Each time the  BASS  or  TREBLE  knob is turned, the message

“EQ MAX”, “EQ MIN” or  “EQ FLAT” is displayed in this
order.

23

•

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.

2.94 – 7.84 mN • m

(30 to 79 g • cm)

(0.42 – 1.11 oz • inch)

0.15 – 0.59 mN • m

2 to 6 g • cm

(0.03 – 0.08 oz • inch)

2.94 – 7.84 mN • m

(30 to 79 g • cm)

(0.42 – 1.11 oz • inch)

2.94 – 7.84 mN • m

(30 to 79 g • cm)

(0.42 – 1.11 oz • inch)

6.86 – 17.64 mN • m

(70 to 179 g • cm)

(0.98 – 2.49 oz • inch)

0.98 mN • m

(10 • cm or more)

(0.14 oz • inch or more)

0.98 mN • m

(10 • cm or more)

(0.14 oz • inch 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/REV

FWD tension

REV tension

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

Tape

Signal

Used for

P-4-A100

10 kHz, – 10 dB

Azimuth Adjustment

WS-48B

3 kHz, 0 dB

Tape Speed Check

0 dB = 0.775 V

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

Procedure:
1. Mode: Playback

set

MAIN board
SPEAKER terminal (J201)
L-CH, R-CH

+
–

level meter

test tape
P-4-A100
(10 kHz, – 10 dB)

24

3. Mode: Playback

4. After the adjustments, apply suitable locking compound to the

parts adjusted.

Adjustment Location: Record/Playback/Erase Head

set

test tape
P-4-A100
(10 kHz, – 10 dB)

R-CH

oscilloscope

L-CH

R-CH

V

H

waveform of oscilloscope

in phase 45

°

90

°

135

°

180

°

good

wrong

MAIN board
SPEAKER terminal (J201)
L-CH

Procedure:
1.

Record mode

2.

Mode:  Playback
i-Bass OFF
BASS 0
TREBLE 0

3.

Confirm playback the signal recorded in step 1 become
adjustment level as follows.

Adjustment level: Playback output of 315 Hz to playback output

of 10 kHz:  0 ± 1.0 dB (0 ± 4.5mV).

+
–

set

recorded
portion

MAIN board speaker terminal (J201)

level meter

attenuator

set

MAIN board
AUX IN (J602)

1) 315 Hz
2) 10 kHz

50 mV (–23.8 dB)







600 

Ω

blank tape
CN-123

AF OSC

Mode: Playback

1. Insert the WS-48B into the deck.
2. Press the  TAPE nN button on the deck.
3. Confirm that the frequency counter reads 3,000 ± 90 Hz.

Sample value of Wow and Flutter: 0.3% or less W.RMS (JIS)

(WS-48B)

+
–

set

test tape
WS-48B 
(3 kHz, 0 dB)

MAIN board
SPEAKER terminal (J201)
L-CH, R-CH

frequency counter

Note: Refer to “3-6. Cassette Panel” (see page 10)

adjustment screw