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– 14 –

Procedure :
1. Mode : playback

test tape
P-4-A063
(6.3 kHz, –10 dB)

phones jack

2. Turn the adjustment screw for the maximum output levels. If these

levels do not match. Turn the adjustment screw until both of output
levels match together within 3 dB.

angle

within
3 dB

L-CH
peak

R-CH
peak

within
3 dB

Output
level

R-CH
peak

screw
position

L-CH
peak

3. Phase Check

Mode : playback

test tape
P-4-A063
(6.3 kHz, –10 dB)

L-CH

set

R-CH

L-CH
32 

Ω

oscilloscope

V

H

Screen pattern

in phase

45°

90°

180°

135°

good

wrong

Finish the screw adjustment with a turn in the clockwise
direction.
After the adjustment, lock the adjustment screw.

Adjustment Location : record/playback head

adjustment
screw

set

32 

Ω

phones jack

32 

Ω

R-CH

level meter

– 15 –

Adjust for a maximum reading on level meter.

L2

CT2

86.5 MHz (87.0 MHz)

109.5 MHz (108.3 MHz)

<87.35 MHz> [87.35 MHz]

<108.25 MHz> [107.8 MHz]

Adjust for a maximum reading on level meter.

L1

CT1

86.5 MHz (87.0 MHz)

109.5 MHz (108.3 MHz)

<87.35 MHz> [87.35 MHz]

<108.25 MHz> [107.8 MHz]

Adjust for a maximum reading on level meter.

L4

CT4

520 kHz <516 kHz>

1,780 kHz <1,630 kHz>

((1,680 kHz))

Adjust for a maximum reading on level meter.

L3

CT3

620 kHz

1,400 kHz

Adjust for a maximum reading on level meter.

CFT1

455kHz

(          ) : AEP, German model

<        > : Italian model

[         ] : Saudi Arabia model

((       )) : Except US, Canadian, Central and South American,

  Italian model

Adjustment Location : See page 16.

telescopic antenna
input terminal

set

0.01 

µ

F

FM RF signal
generator

22.5 kHz frequency
deviation by 400 Hz signal
Output level : as low as possible

AM RF signal
generator

30 % amplitude
modulation by 400 Hz signal
Output level : as low as possible

Put the lead-wire
antenna close to
the set.

set

phones jack

32 

Ω

Setting :
FUNCTION switch : FM

Setting :
FUNCTION switch : AM

• Repeat the procedures in each adjustment several times, and the

frequency coverage and tracking adjustments should be finally done
by the trimmer capacitors.

level meter
(range: 0.5-5 V ac)

– 16 –

Adjustment Location : tuner board (component side)

telescopic antenna
input terminal

set

0.01 

µ

F

Setting :
FUNCTION switch : FM

Carrier frequency : 98.0 MHz
Output level

: 100 dB (0.1 V)

Mode

: mono

Modulation

: 400 Hz, 22.5 kHz deviation (30 %)

RV1

FM VCO

ADJ

1

15

30

CT4    L4

AM

FREQUENCY

COVERAGE

ADJ

L3    CT3

AM

TRACKING

ADJ

FM RF signal
generator

frequency

counter

tuner

board

33 k 

Ω

1 µF/50 V

Procedure :
1. Connect frequency counter between IC1 pin 7 and pin 4.
2. Tune the set to 98.0 MHz .
3. Adjust RV1 for 76.0 kHz ±500 Hz reading on the frequency counter.

IC1 pin 

7

IC1 pin 

4

IC1

L1    CT1

FM

TRACKING

ADJ

L2    CT2

FM

FREQUENCY

COVERAGE

ADJ

AM IF

ADJ

CFT1

16

– 17 –

1. Perform Traverse adjustment in test mode.

After adjustment, be sure to release test mode.

2. Perform adjustments in the order given.
3. Use the disc (YEDS-18, Part No. 3-702-101-01) only when so

indicated.

4. Short the both sides of R720 on the CD board for stop operation of

anti-shock circuit. (See page 20.)

• Switch position
FUNCTION switch : CD

1. Short the solder bridge the TP (TEST) on the CONTROL board.
2. Insert the AC power plug.

  Release the shorted solder bridge the TP (TEST), the test mode is
  released.

Put the set into test mode and perform the following checks. Repair
if there are any problems.

Press the 

±, ≠ buttons and confirm that the optical pick-up

moves smoothly from the innermost to outermost circumference and
back smoothly and with no catching or abnormal noises.

± : Optical pick-up moves to the outer circumference
≠ : Optical pick-up moves to the inner circumference

1. Push the 

fl button. (Focus search operation is performed

continuously.)

2. Look at the optical pick-up objective lens and confirm the it moves

up and down smoothly, with no catching or abnormal noises.

3. Push the 

π button.

Confirm that focus search operation stops. If it does not, push the
π button again longer.

This adjustment is to be done when the optical pick-up block is
replaced.

1. Connect the oscilloscope between TP (TE) and TP (VC).
2. Put the set into test mode.
3. Push the CD lid to open and insert disc (YEDS-18).
4. Close the CD lid.
5. Press the 

± and ≠ buttons to move the optical pick-up to

the center.

6. Push the 

fl button.

7. Push the 

π button.

8. Push the 

fl button.

9. Adjust RV703 so that the oscilloscope traverse waveform is

symmetrical, as shown in the figure below.

10. Release test mode after adjustment is completed.

– control board (conductor side) –

IC801

25

24

TP

(TEST)

oscilloscope

(DC range)

CD board

TP (TE)(IC701 

$¢

)

TP (VC)(IC701 

$•

)

Adjustment Location : See page 20.

0V

A=B

A

B