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5

Note : This set can be disassemble according to the following sequence.

Note : Follow the disassembly procedure in the numerical order given.

3-1.

COVER ASSY
(Page 5)

3-3.

CABINET (UPPER) ASSY
(Page 6)

3-2.

TUNER BOARD
(Page 6)

SET

3-4.

MICROCOMPUTER BOARD,
KEY (LEFT) BOARD,
KEY (RIGHT) BOARD
(Page 7)

1

 two screws

    (+P3 x 20)

4

 CN2

red

5

 CN1

6

 cover assy

7

 cabinet (lower) section

3

2

 two screws

    (+P3 x 20)

6

1

 screw

    (+P2.6 x 8)

2

 TUNER board

3

 Removal the two solders.

red

black

1

 two screws

    (+P2.6 x 8)

4

 cover sub assy

5

 cabinet (upper) assy

3

2

 two screws

    (+P2.6 x 8)

7

1

 two screws

    (+P2.6 x 8)

3

 MICROCOMPUTER board

4

 claw

7

 claw

6

 KEY (LEFT) board

9

 KEY (RIGHT) board

2

5

8

8

Adjust for a maximum reading on level meter.

L3

CT3

86.5 MHz

109.5 MHz

Adjust for a maximum reading on level meter.

L2

CT2

86.5 MHz

109.5 MHz

Adjust for a maximum reading on level meter.

T1

455 kHz

Adjust for a maximum reading on level meter.

L4

CT4

520 kHz

1,750 kHz

Adjust for a maximum reading on level meter.

L1

CT1

600 kHz

1,400 kHz

Setting:
RADIO ON/OFF switch: ON
BAND switch: FM
VOL control: MIN

Setting:
RADIO ON/OFF switch: ON
BAND switch: AM
VOL control: MIN

Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally done
by the trimmer capacitors.

speaker terminal

set

4 

Ω

level meter
(range: 0.5–5 V ac)

Adjustment Location: See page 9.

FM lead wire
antenna terminal

0.01 

µ

F

FM RF signal
generator

400 Hz, 30% FM modulation
frequency deviation 

±

22.5 kHz

Output level: as low as possible

set

Put the lead-wire
antenna close to
the set.

AM RF signal
generator

400 Hz, 30%
AM modulation
Output level: as low as possible