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– 13 –

1

Fit the lever (LDG-A) on
shafts 

A

 – 

C

 and install it.

shaft 

A

shaft 

C

4

type-E stop ring 2.0

shaft 

A

shaft 

C

3

Align hole in the gear (LDG-D)
with hole in the lever (LDG-A).

gear (LDG-FB)

hole

gear (LDG-D)

lever (LDG-A)

2

Move the lever (LDG-B)
in the arrow direction.

1

tension spring (lever LDG)

4

gear (LDG-FT)

5

polyethylene washer

hole

shaft 

B

3

Fit the lever (LDG-B) on
shafts 

A

 and 

C

 and

install it.

2

Pull the lever in the
arrow direction.

– 14 –

2

guide (C)

1

three claws

– 15 –

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

<Set the Test Mode>
1. Set the “power select” switch (S801) is “A” position.
2. Turn ON the regulated power supply. (All LEDs on the set lights

up, and the clock is displayed.)
Note: Press the OFF button, if the clock is not displayed.

3. Push the preset 4 button.
4. Push the preset 5 button.
5. Press the preset 1 button for more than two seconds.
6. Then the display indicates all lights, the test mode is set.

<Release the Test mode>
1. Push the OFF button.
2. Set the power select switch (S801) is “B” position.

•

1. Clean the following parts with a denatured-alcohol-moistened

swab:

playback head

pinch roller

rubber belt

capstan

idlers

2. Demagnetize the playback head with a head damagnetizer.
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 sup-

ply voltage unless otherwise noted.

•

Foward

CQ-102C

30 – 65 g•cm

(0.42 – 0.90 oz•inch)

Forward

CQ-102C

0.5 – 4.5 g•cm

Back Tension

(0.01 – 0.06 oz•inch)

Reverse

CQ-102RC

30 – 65 g•cm

(0.42 – 0.90 oz•inch)

Reverse

CQ-102RC

0.5 – 4.5 g•cm

Back Tension

(0.01 – 0.06 oz•inch)

FF, REW

CQ-201B

60 – 200 g•cm

(0.83 – 2.78 oz•inch)

Forward

CQ-403A

more than 90 g

(more than 3.18 oz)

Reverse

CQ-403R

more than 90 g

(more than 3.18 oz)

See the adjustment location from on page 18 for the ad-
justment.

Procedure:
1. Put the set into the FWD PB mode.

–1.5 to +2.5%

2,955 to 3,075 Hz

Specification: Constant speed

Adjustment Location: See page 18.

set

+

–

test tape
WS-48A
(3 kHz, 0 dB)

speaker out terminal

4 

Ω

speed checker

or

frequency counter

– 16 –

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

[Note]
Adjust the tuner section in the sequence shown below.
1. FM Auto Scan/Stop Level Adjustment
2. FM Stereo Separation Adjustment
3. FM Noise Focus Adjustment
4. FM Signal Meter Adjustment
5. AM (MW) Auto Scan/Stop Level Adjustment

SOURCE button: FM

Procedure:
1. Set to the test mode. (See page 15).
2. Push the SOURCE button and set to FM.

Display

FM

INTRO

REG

3. Push the preset 3 button.

Display

4. Adjust with the volume RV2 on TU1 so that the “FM” indica-

tion 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

INTRO

REG

FM

INTRO

REG

Adjustment Location: See page 18.

SOURCE button: FM

FM RF signal

generator

Carrier frequency : 98.0 MHz
Output level

: 70 dB (3.2 mV)

Mode

: stereo

Modulation

: main: 1 kHz, 20 kHz deviation (26.7%)
  sub: 1 kHz, 20 kHz deviation (26.7%)

:

 19 kHz pilot: 7.5 kHz deviation (10%)

0.01 

µ

F

set

antenna jack (J1)

+
–

speaker out terminal

level meter

4 

Ω

L-CH

L-CH

A

B

R-CH

L-CH

Adjust RV4 on TU1

for minimum reading.

R-CH

R-CH

C

D

L-CH

R-CH

Adjust RV4 on TU1

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 30 dB

Adjustment Location: See page 18.

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 jack (J1)

SOURCE button: FM

Procedure:
1. Tuner the 98.00 MHz.
2. The then output level is supposing that (A) dB.
3. Adjust with the volume RV3 on TU1 so that the output level is

(A) –32 ± 2 dB then signal generator input set to –20 dB.

Adjustment Location: See page 18.

FM RF signal

generator

Carrier frequency : 98.00 MHz
Output level

: 60 dB (1 mV)

Mode

: stereo

Modulation

: 1 kHz, 75 kHz deviation (100%)

0.01 

µ

F

set

antenna jack (J1)

+
–

speaker out terminal

level meter

4 

Ω