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– 21 –

6

front panel desorption machinery

tuner control section

4

two connectors
(CN52, 54)

1

two screws
(P 2.6 

×

 6)

2

two screws
(PTT 2.6 

×

 10)

3

connector
(CN53)

5

sub panel ass’y

1

two screws
(P 2.6 

×

 6)

4

three screws
(P 2 

×

 2.0)

5

bracket (motor),
open/close 2 board

6

connector
(CN13)

3

flexible 2 board
(CN14)

8

motor ass’y (from panel desorption)
(M1)

2

two screws
(B 2 

×

 4)

1

flexible 1 board
(CN15)

7

two screws
(P 2 

×

 3.0)

2

two screws
(PTT 2.6 

×

 10)

– 22 –

2

chassis (main upper)

4

connector
(CN505)

1

four screws
(PTT 2.6 

×

 6)

5

two screws
(B 2.6 

×

 10)

6

two spacers

7

tuner ass’y

6

two spacers

5

two screws
(B 2.6 

×

 10)

3

screw (PTT)
(ground point)

1

two screws
(PTT 2.6 

×

 6)

8

two connectors
(CN506, 507)

8

connector
(CN509)

– 23 –

This adjustment should be done when replacing the rack assem-
bly on the parts related to it.

Procedure:
1. Fit the EV gear assembly after adjusting its slit position as

shown in the figure. (When the slit position is out of order
after fitting, it can be adjusted finely turning the worm gear of
the ELV motor.)

2. Fit the rack assembly putting it in the arrow A direction. At

this time insert a spacer (approx. 1 mm thickness) or fit the
rack assembly while pushing the EV chassis assembly in the
arrow B direction.

slit

(slit position)

two screws
PTT 2 

×

 4

EV gear ass’y

ELV motor

When this adjustment is out of order, it doesn’t operate normally
and the roaring of the motor can be heard. In this case adjust again.

rack (110) ass’y

screw
PTT 2 

×

 4

EV chassis ass’y

A

B

– 24 –

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.

Setting the Test Mode
1. Press the 

[OFF]

 button on the remote commander to turn off

the set.

2. Press the following buttons on the wireless remote commander

in the given order.

3. Press the 

[BACK]

 button on the wireless remote commander

until a beep sounds (for more than 2 seconds).

4. At the same time as a beep, “Test” is displayed at the upper

left of display, and the test mode is activated.

Releasing the Test Mode
1. Press the 

[OFF]

 button on the control unit.

→

→

[LIST]

0 dB=1 µV

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

 Adjust the tuner section in the sequence shown below.

1. FM Auto Scan/Stop Level Adjustment
2. FM Stereo Separation Adjustment (WIDE)
3. FM Stereo Separation Adjustment (NARROW)
4. FM RDS S-Meter Adjustment
5. MW Auto Scan/Stop Level Adjustment

• In making adjustment, connect the control unit and changer unit.

[SOURCE]

 button: FM

Adjustment Procedure:
1. Set to the test mode.
2. Press the 

[SOURCE]

 button on the wireless remote commander

to select FM.

Display

3. Press the 

[LIST]

 button on the wireless remote commander to

display “PRESET NAME LIST”.

4. Using cursor buttons on the wireless remote commander, se-

lect preset No.3, and press the 

[ENTER]

 button.

Display

5. Adjust with the volume RV2 on Tuner unit (TU101) 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

Adjustment Location: Control Unit (Tuner unit (TU101))

(See page 29.)

FM RF signal

generator

Carrier frequency : 98.0 MHz
Output level

: 22 dB (12.6 

µ

V)

Mode

: mono

Modulation

: 1 kHz, 22.5 kHz deviation (30%)

0.01 

µ

F

set

antenna terminal

Test

STATION

Test

STATION

Test

STATION