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– 29 –

2

 Move the arm (suction) in the arrow

     direction and fit on projection.

projection

1

 Fit the arm (suction) on the shaft.

1

 Fit the lever (LDG-A) on

     shafts 

A

 – 

C

 and install it.

shaft 

A

shaft 

B

shaft 

C

2

 Fit the lever (LDG-B) on

     shafts 

A

 – 

E

 and install it.

3

 two type-E stop ring 2.0

shaft 

D

shaft 

E

shaft 

C

shaft 

A

– 30 –

3

 guide

2

 guide (C)

1

 claws

4

 Align hole in the gear (LDG-D) with

     

∆

 mark on the lever (LDG-A).

3

 Move the lever (LDG-B)

     in the arrow direction.

2

 tension spring (lever LDG)

5

 gear (LDG-FT)

1

 gear (LDG-A)

6

 polyethylene washer

gear (LDG-FB)

gear (LDG-FB)

gear (LDG-D)

lever (LDG-A)

hole

– 31 –

1. Wipe the following components with an absorbent cotton cloth

moistened with alcohol before adjustment :

PB head

Pinch roller

Idler

Rubber belt

Capstan

2. Demagnetize the PB head using a head demagnetizer.
3. Be careful not to use a magnetized screwdriver.
4. After the adjustment is completed, lock the adjustment parts

using screws.

5. Unless otherwise specified, make adjustments at the specified

voltage (14.4 V).

30 – 65 g • cm

FWD

CQ-102C

(0.42 – 0.90 oz • inch)

FWD

0.5 – 4.5 g • cm

Back Tension

(0.01 – 0.06 oz • inch)

30 – 65 g • cm

REV

CQ-102RC

(0.42 – 0.90 oz • inch)

REV

0.5 – 4.5 g • cm

Back Tension

(0.01 – 0.06 oz • inch)

60 – 200 g • cm

FF, REW

CQ-201B

(0.83 – 2.78 oz • inch)

FWD

CQ-403A

more than 90 g

REV

CQ-403R

(more than 3.17 oz)

 See the adjustment location from on page 34 for the
 adjustment.

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

Specification : Constant speed

+ 0.3 to + 1.0 %

3,010 to 3,030 Hz

Adjustment Location : See page 34.

SHIFT button

: Light up the REP, SETUP and
  P MODE LEDs.

Preset  9  (P MODE) button : NR off (DOLBY OFF)

Procedure :
1. Put the set into the FWD PB mode.
2. Adjust RV100 (L-CH) and RV200 (R-CH) on main board so

that level meter reading is – 6 

±

 0.5 dB (0.37 to 0.41 V).

Adjustment Location : See page 34.

main board
TP (DOLBY)
L-CH
R-CH

test tape
P-4-D400
(400 Hz, 0 dB)

set

level meter

LINE OUT REAR

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

set

10 k 

Ω

speed checker

or

frequency counter

– 32 –

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

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

Display

TUNER button

: FM

FREQUENCY SELECT switch : FM 200 K

3. Push the preset  3  button.

Display

4. Adjust with the volume RV2 on TU1 to the position at which

the characters “FM” start to scroll from the right on the display
window.

Display

µ

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 “POWER SELECT” switch (S501) is “OFF” position.
2. Turn ON the regulated power supply. (All LEDs on the set lights

up, and the clock is 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.

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

Carrier frequency : 97.9 MHz
Output level

: 22 dB (12.6 

µ

V)

Mode

: mono

Modulation

: 1 kHz, 22.5 kHz deviation (30%)

antenna
terminal

FM RF signal

generator

0.01 

µ

F

set

Adjustment Location : See page 34.