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– 7 –

PLAY: TW-2412

Over 120 g

Play: TW-2111

25 to 65 g.cm

Fast Forward: TW-2231

60 to 130 g.cm

Rewind: TW-2231

60 to 130 g.cm

MTT-111 In motor

3,000 

±

 90 Hz

Output: Speaker
Teaminal
(CNP201 Load
resistance: 8 ohms)

Volume control

Max

Function switch

Tape/Power Off

X-BASS

On

MTT-118

1.8 V 

±

 3 dB

Speaker Terminal
(Load resistance: 8 ohms)

fL: Low-range frequency
fH: High-range frequency

IF

T1

Detection

T2

Band Coverage

fL: L2
fH: TC2

Tracking

88.0 MHz: L1
108.0 MHz: TC1

Input: Pin 1 of IC1
Output: Pin 17 of IC2

Iuput: Antenna
Output: Speaker
Terminal (CNP201
Load resistance: 8
ohms)

IF

T3

Input: Antenna
Output: Pin 19 of IC2

Band Coverage

fL: L4

Input: Antenna

fH: TC4

Output: Speaker

Tracking

600 kHz: L3

Terminal (CNP201

1,400 kHz: TC3

Load resistance: 8
ohms)

VR1

76 kHz 

±

 200 Hz

Pin 13, pin 21 and
ground of IC2

Note:
After preparing the test circuit shown in Fig. 7-1, connect the
Pin 13, Pin 21 and ground of the IC2 with the test circuit, and
measure the value. At  this time, apply a standard unmodulated
signal input and adjust the VCO.

Pin 13 of IC2

Pin 21 of IC2

D

G

S

10 kohm

TO FREQUENCY
        COUNTER

FET : 2SK19 or 2SK54

MTT-114

Output: Speaker Terminal
(CNP201 Load resistance: 8 ohms)

L301

82 kHz 

±

 6 kHz

Pin 2 of CNP201

– 6 kHz

AM
TRACKING
fL

FM
DETECTION

T2

VCO

VR1

IC2

IC1

T1

FM IF

AM IF

L4

TC4

TC2

TC1

TC3

AM
TRACKING
fH

L1

L2

AM BAND
COVERAGE

FM
TRACKING

FM BAND
COVERAGE

fH

fL

fH

fL

fH

fL

T3

L3

AM BAR ANTENNA

FM ROD ATENNA

MAIN PWB

1

1

13

17
19

21

– 8 –

While holding down the "STOP" button, move the FUNCTION/POWER switch to "CD".
Then, release the "STOP" button and, within 0.5 second, connect the TEST POINT to GND (within 0.5 second).
(See Fig. 8)

Start

Note

1. When the CD LID switch is in the OFF position, the unit will be able to enter the test mode.

However, playback cannot be performed in this mode.

2. You can only move the pickup.
3. The LCD display should be the same as it is for normal CD operations.

1

2

When the "PLAY" button is pressed, the laser will be lit, and when the "STOP" button is pressed, it will be
turned off. Playback will also start and stop when these buttons are pressed.

Turning the tracking servo on or off.

3

a. If the "PLAY" button is pressed while in the stop mode, the laser will simply be turned on at first.
b. If the laser is lit and the "PLAY" button is pressed again, playback will start from the current pickup position.
c. If the "STOP" button is pressed, playback will stop. When pressed again, the laser will be turned off.

a. Each time the PAUSE button is pressed during playback, the tracking servo will be turned on or off.
(Note: If the PLAY button is pressed while in the stop mode, the tracking servo will automatically be
turned on.)

Operation

The use of the "UP/CUE" button will move the pickup to the outermost position.
The use of the "DOWN/REVIEW" button will move the pickup to the innermost position.

While holding down the "STOP" button, move the FUNCTION/POWER switch to "CD".
Then, release the "STOP" button and, within 0.5 second, press the REVIEW/DOWN button.

Start

Display

1

2

3

* After the number 

3

 has appeared in the display, each time the "UP/CUE" button is pressed, the display will switch

in the following order: 

1

, 

2

, and then 

3

.

1 second

1 second

SW774

TRACK DOWN/

REVIEW

R771

3.9K

TEST

POINT

R772

2.7K

R773

1.8K

R774

1.5K

R776

10K

SW773

TRACK UP/

CUE

SW771

PLAY

SW7712

STOP

TO CD SECTION

+B

3

1

SWITCH PWB – A2