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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

three cams 

(stocker U/D)

3

three screws 

(PTPWH2.6

 

×

 8)

boss

boss

rotary encoder
(S702)

Install the stocker assy 
fitting three bosses into the 
each groove of cam (stocker
U/D) 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
(stocker U/D), align each groove
of the cam (stocker U/D) 
with each 

f

 mark on the 

chassis as shown in the figure.

cam 
(stocker U/D)

22

* Either the 9 kHz step or 10 kHz step can be selected for the AM

channel step.

Procedure:
1.

Set the function to AM.

2.

Press the  ?/1  button to turn off the main power.

3.

While depressing the  TUNER/BAND  button, press the  ?/1
button to turn on the main power.

4.

Either the message “MW 9k STEP” or “MW10k STEP”
appears, and thus the channel step is changed over.

* 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.

Press the  N  (CD)  button and the  ?/1  button simultaneously.

3.

After the message “STANDBY” blinks, “LOCK” is displayed
on the fluorescent indicator tube, and the CD ship mode is set.

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  (DISC 1) 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  (DISC 1) simultaneously for
five seconds again.

2.

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

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

* 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 three buttons  DISPLAY ,  x  and  DISC 1
simultaneously.

2.

The fluorescent indicator tube displays the message “COLD
RESET” and the set is reset.

* The version or destination is displayed.
Procedure:
1.

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

2.

To enter the test mode, press the three buttons  DISPLAY ,  x
and  DISC 2  simultaneously.

3.

The model and destination is displayed. Example : “HP717
U”

4.

Press the  x  and  PRESET EQ  buttons simultaneously.

5.

The version is displayed. Example : “V1.09:2003:02.04”

6.

To exit from this mode, press the three buttons  DISPLAY ,  x
and  DISC 2  simultaneously, or press the  ?/1  button to turn
the set off.

* All fluorecent segments, LEDs, keys, volume and headphone

detection are tested.

Procedure:
1.

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

2.

To enter the test mode, press three buttons  DISPLAY ,  x  and
 DISC 3  simultaneously. All segments and LEDs are turned
on.

3.

Press the  x  and  PRESET EQ  buttons simultaneously. In this
key code display mode, the fluorecent indicator displays “KEY
0 0 0”. Each time a button is pressed, the key code is displayed.

4.

Press the  x  and  PRESET EQ  buttons simultaneously. In this
key count mode, the fluorecent indicator displays “KEYCNT
0 1”. Each time a button is pressed, “KEYCNT  0 X” value
increases. However, once a button is pressed, it is no longer
taken into account.

5.

Press the  x  and  PRESET EQ  buttons simultaneously. When
a headphone jack is not inserted, “ H_P RELEASE” is
displayed. When a headphone jack is inserted, “ H_P      IN” is
displayed.

6.

When the  VOLUME  knob is not rotated, “VOLUME FLAT”
is displayed. The message “VOLUME UP” is displayed, when
the  VOLUME  knob is rotated clockwise. The message
“VOLUME DOWN” is displayed, when the  VOLUME  knob
is rotated counterclockwise.

7.

To exit from this mode, press three buttons  DISPLAY ,  x
and  DISC 3  simultaneously.

* This mode is used to check the function of the amplifier.
Procedure:
1.

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

2.

To enter the test mode, press the three buttons  DISPLAY ,  x
and  DISC 4  simultaneously.

3.

The message “VOLUME MIN”, “VOLUME 16” or
 “VOLUME MAX” is displayed , when turning the  VOLUME
knob clockwise or conterclockwise.

4.

Each time the  DIMMER  button is pressed, the message “GEQ
MAX” or “GEQ MIN” is displayed. The function of the
equalizer is set to maximum or minimum.

5.

The message “GEQ FLAT” is displayed, when pressing the
 PRESET EQ  button. The function of the equalizer is set to
flat.

6.

Each time the  GROOVE  button is pressed, the message “VACS
OFF” or “VACS ON” is displayed.

7.

Automatic recording/playback : Press the  REC  button when a
tape is inserted, recording is started and the input source
function is selected to “MD” automatically.

8.

When the  .  button is pressed, tape is rewound , stops at
around the record-starting position and playback is started
automatically.

9.

To exit from this mode, press the  ?/1  button to turn the set
off.

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 – 0.6 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)

0.15 – 0.6 mN • m

2 to 6 g • cm

(0.03 – 0.08 oz • inch)

6.86 – 17.64 mN • m

(70 to 179 g • cm)

(0.98 – 2.49 oz • inch)

9.8 mN • m more

(100 • cm or more)

(1.4 oz • inch or more)

9.8 mN • m more

(100 • cm or more)

(1.4 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

Procedure:
1

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

2.

To enter the test mode, press the three buttons  x  ,
 PRESET EQ  and  DISC 4  simultaneously.

3.

The message “AMP TEST IN” is displayed.

4.

Press the  x  and  PRESET EQ  buttons simultaneously. The
VACS status and IC parameters are displayed. Example : “D:
S: +4. 0. +2”

5.

DBFB ON/OFF Function : Press the  GROOVE  button, “DBFB
ON” or “DBFB OFF” is displayed.

6.

SURROUND ON/OFF Function : Press the  PRESET EQ
button, “SURROUND ON” or “SURROUND OFF” is
displayed.

7.

To exit from this mode, press three buttons  x  ,  PRESET EQ
and  DISC 4  simultaneously.

Note: Perform the Cold Reset to initialize the equalizer parameters.

* This mode can run the CD sled motor freely. Use this mode, for

instance, when cleaning the pickup.

Procedure:
1.

Press  ?/1  button to turn the set on.

2.

Set the function to CD.

3.

Press three buttons  DISPLAY ,  x  and  DISC 5
simultaneously.

4.

The CD service mode is selected.

5.

Press  >    button to move the pickup to outside track, or
press  .  button to inside track.

6.

To exit from this mode, perform as follows:
1) Move the pickup to the most inside track.
2) Perform the Cold Reset.

Note: Do not run the sled motor excessively, otherwise the gear can

be chipped.

24

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.

0 dB=0.775 V

Confirm each contents of this section first of all. If the results are
not satisfied, do the adjustment.

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

Procedure:
1.

Mode:  Playback

set

PWR AMP board
SPEAKER terminals (JK501)
L-CH, R-CH

+
–

level meter

test tape
P-4-A63J
(10 kHz, –10 dB)

Screw
position

L-CH
peak

within
1 dB

Output
level

L-CH
peak

R-CH
peak

within
1 dB

Screw
position

R-CH
peak

Tape

Signal

Used for

P-4-A63J

10 kHz, –10 dB

Azimuth Adjustment

3.

Mode: Playback

4.

Repeat step 1 to 3 in playback (REV) mode.

5.

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

set

test tape
P-4-A63J
(10 kHz, –10 dB)

R-CH

oscilloscope

L-CH

R-CH

V

H

waveform of oscilloscope

in phase 45

°

90

°

135

°

180

°

good

wrong

PWR AMP board
SPEAKER terminals (JK501)
L-CH

adjustment screw