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– 25 –

• When installing, take note of the positions
  arm (roller) and washers. (Fig. 1)

3

 PS 2x5

4

 heat sink

8

 CN2

!™

 SERVO board

!¡

 PS 2x4

6

 P 2x3

7

 loading motor assy

1

 PS 2x4

2

 PS 2x5

9

 CN5

!º

 CN4

5

 CN6

5

 LOAD SW board

4

 PS 2x3

1

 tension spring (RA)

2

 arm (roller)

3

 roller assy

washer

arm

washer

Fig. 1

arm

washers

– 26 –

1

 P 2x3

2

 sled motor assy

3

 optical pick-up block

6

 chassis (OP) (O/S) assy

7

 compression spring (FL)

4

 Fit lever (D) in the

     direction of the arrow.

3

 damper (T)

2

 damper (T)

5

 Turn loading ring in the

     direction of the arrow.

1

 tension spring (angle)

8

 compression spring (FL)

– 27 –

Carrier frequency : 97.9 MHz
Output level

: 22 dB (12.6 

µ

V)

Mode

: mono

Modulation

: 1 kHz, 22.5 kHz deviation (30%)

Procedure :
1. Set to the test mode.
2. Push the  SOURCE  button and set to FM.

Display

SOURCE button : FM

3. Push the preset  3  button.

Display

4. Adjust with the volume RV2 on TU10 so that the “FM”

indication turns to “FM0” indication on the display window.
But, in case of already indicated “FM0”, turn the RV2 so that
put out light “0” indication and adjustment.

Display

CD section adjustments are done automatically in this set.

When the tuner unit is defective, replace it by a new one
because its internal block is difficult to repair.

This set have the test mode function. In the test mode, FM Auto
Scan/Stop Level and AM Auto Scan/Stop Level adjustments can be
performed easier than it in ordinary procedure.

<Set the Test Mode>
1. Set the “OFF” mode.
2. Push the preset  4  button.
3. Push the preset  5  button.
4. Press the preset  1  button for more than two seconds.
5. Then the display indicates all lights, the test mode is set.

<Release the Test Mode>
1. Push the  OFF  button.

The adjustments of tuner section, should be performed according
to the following sequence.
1. FM Auto Scan/Stop Level Adjustment
2. FM Stereo Separation Adjustment
3. AM Auto Scan/Stop Level Adjustment

µ

FM RF signal
generator

antenna
terminal

0.01 

µ

F

set

Adjustment Location : See page 29.

– 28 –

SOURCE button : FM

Carrier frequency : 97.9 MHz
Output level

: 70 dB (3.2 mV)

Mode

: stereo

Modulation

: main : 1 kHz, 33.75 kHz deviation (45%)
  sub

: 1 kHz, 33.75 kHz deviation (45%)

  19 kHz pilot : 7.5 kHz deviation (10%)

L-CH

L-CH

A

B

R-CH

L-CH

Adjust RV3 on TU10 for
minimum reading.

R-CH

R-CH

C

D

L-CH

R-CH

Adjust RV3 on TU10 for
minimum reading.

L-CH stereo separation : A – B
R-CH stereo separation : C – D
The separations of both channels should be equal.

Specification : Separation more than 24 dB

Adjustment Location : See page 29.

FM RF signal
generator

antenna
terminal

set

level meter

10 k 

Ω

LINE OUT REAR

0.01 

µ

F

SOURCE button : FM

Carrier frequency : 97.9 MHz
Output level

: 70 dB (3.2 mV)

Mode

: stereo

Modulation

: main : 1 kHz, 33.75 kHz deviation (45%)
  sub

: 1 kHz, 33.75 kHz deviation (45%)

  19 kHz pilot : 7.5 kHz deviation (10%)

L-CH

L-CH

A

B

R-CH

L-CH

Adjust RV4 on TU10 for
minimum reading.

R-CH

R-CH

C

D

L-CH

R-CH

Adjust RV4 on TU10 for
minimum reading.

L-CH stereo separation : A – B
R-CH stereo separation : C – D
The separations of both channels should be equal.

Specification : Separation more than 18 dB

Adjustment Location : See page 29.

Procedure :
1. Push the  SHIFT  button.
2. Push the  4  button three times.
3. Push the  5  button twice and set to NARROW mode.

FM RF signal
generator

antenna
terminal

set

level meter

10 k 

Ω

LINE OUT REAR

0.01 

µ

F