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– 13 –

fL: Low-range frequency
fH: High-renge frequency
•  AM IF/RF
Signal generator: 400 Hz, 30%, AM modulated

IF

450 kHz

1,620 kHz

T351

*1

MW Band

—

522 kHz

(fL): T306

*2

Coverage

1.1 

±

 0.1 V

MW

990 kHz

990 kHz

(fL): T302

*1

Tracking
LW Band

—

153 kHz

(fL): T305

*2

Coverage

1.5 

±

 0.1 V

LW

225 kHz

225 kHz

(fL): T301

*1

Tracking

•  FM
Notes:
1: Description of the "FM IF Adjustment" is not carried on this

Manual. It is because the IF coil in the FM front end section
has been best adjusted in the factory so that its further
adjustment is not needed at the field. When replacing the
FM front end assembly, no adjustment is needed either.

2: The parts in the FM front end section are prepared in a

complete unit, so you can't obtain each part individually

•  FM Mute Level
Signal generator: 1 kHz, 40 kHz dev., FM modulated

98.00 MHz

98.00 MHz

VR351*

Input: Antenna

(25 dB

µ

V)

Output: Speaker
Terminal

*1. Input: Antenna,

Output: TP302

*2. Input: Antenna,

Output: TP301

TP302

TP301

R336

R357

T351

VR351

T306

T305

T302

T301

AM IF

IC303

FE301

FM MUTE
LEVEL

MW BAND
COVERAGE

LW BAND
COVERAGE

MW
TRACKING

LW
TRACKING

CNP303

TUNER PWB

SO301
FM ANTENNA
TERMINAL

CNP301
MW/LW
LOOP ANTENNA
TERMINAL

– 14 –

Since this CD system incorporates the following automatic adjustment function, when the pickup is replaced, it is not necessary
to readjust it.
Since this CD unit does not need adjustment, the combination of PWB and laser pickup unit is not restricted.

• Automatic adjustment item
1. Focus offset (Fig. 14-2)
2. Tracking offset (Fig. 14-3)
3. E/F balance (tracking error balance) (Fig. 14-4)
4. RF level AGC function (HF level: constant)
5. RF level automatic follow-up of the tracking gain

This automatic adjustment is performed each time a disc is changed.
Therefore, each disc is played back using the optimal settings.

• Setting the test mode
Any one of test mode can be set by pressing several keys as follows.
Hold down the EQ and CD buttons, and press the POWER switch.

TEST: CD operation test

<PLAY> key input

• TEST mode
Function — CD test mode

Setting of TEST mode

Indication of CD TEST mode (Fig. 14-1)

OPEN/CLOSE operation is manual operation.

The pickup can be moved by using the (

) or (

) key.

When the track-
ing servo is acti-
vated, playback
will begin at the
current position.

Press the
STOP button.

The pickup
willreturn to
the STOP
position.

<MEMORY>
key input

When the track-
ing servo is acti-
vated, playback
will begin at the
current position.

<STOP>
key input

The pickup nor-
mally returns to
the STOP posi-
tion.

<MEMORY>
key input

IL is not performed.

Press <STOP> key.

Stop

TOC. IL is performed, and the ordinary PLAY is performed.
If the following key is pressed during PLAY, it is possible
to specify directly any Track No.
<Disc Number 1> key: Track 4
<Disc Number 2> key: Track 9
<Disc Number 3> key: Track 15

Note:
Only in STOP state it is possible to slide the pickup with the
(

) or (

) key.

VOL. --- Last memory
BAL. --- CENTER
R.GEQ. --- FLAT
X-BAS --- OFF
Canceling method -  POWER OFF

G9

G9

G9

G6

G6

G8

G8

G5

G5

G4

G4

G10

G3

G10

G3

G2

G2

G1

G1~G8

G7

G7

S40

S39

S38

S30

S33

S35

S37

S36

S34

S31

S29

S27

S25

S23

S32

S24

S26

S28

S22

S41

S10

S1

S2

S7

S6 S5

S4

S3

S9

S8

S16

S15

S14

S13

S12

S17

S19

S21

S20

S18

2

 0.1s
0.50 V
IC1  16   FD

 FOCUS
OFF-SET
ADJUST

 TRACKING
OFF-SET
ADJUST

 0.1s
0.50 V
IC1   7   TE

1

2

1

10ms
0.50 V
IC1  16   FD

10ms
0.50 V
IC1  7   TE

Enlarged
View

TRACKING
OFF-SET
ADJUST

2

1

TO

TE

200 ms
1V/diV
IC 1   15

200 ms
1V/diV
IC 1    7

TRACKING/
ERROR
BARANCE
ADJUST

– 15 –

1. Outline

The recent trend is toward rise of CD record level in the world, for example rock, dancing music, etc. In case of continuous high
level playback G-EQ (graphic equalizer) and VOL (Volume) are controlled (lowered) automatically after a lapse of specific time
(10 minutes) so as to get the easy-to-listen sound level.

2. Explanation of operation

The CD playback operation is explained below.

  

X

  : Threshold value of control circuit operation

  A  : Hight energy (hatched area) exceeding  

X

  is detecated, and the control mode is set.

  B  : After a lapse of 10 minutes the control is started.

Data is fetched every 4
seconds to control.

Initial frequency
characteristics.

Hand L frequency char-
acteristics are lowered.

VOL (Volume) is lowered.

At first, the  H and  L frequency characteristics are lowered as shown above so  thet the distortion
and disturbance are reduced. However, if hight energy exceeding  

X

  is detected, VOL is lowered

to get sound easy to listen.

Stable control
Continued control

The output data is fetched every  4 seconds  to  control. When quiet music is played back, the
control is performed so as to restore the initial frequency characteristics and initial VOL values.

Control mode cancel conditions

When output exceeding   

X

   is not given

continuously for 10 minutes.

When quiet music is played back.
When VOL is lowered.

When the power is turned off or on.

B  ~  C  :

C  ~  D  :

A

X

B

C

D

0w

10 minutes

Distortion clip point

SP output
level

– 16 –

8 character can display E1 table of EBU.

Lights up when RDS with EON station is received.

Lights up when RDS station is received.

Lights up when TA station is received.

Lights up when TP station is received.

Lights up when stand-by mode and blinks during staying other network station.

 DISPLAY

G9

G9

G6

G8

G5

G4

G10

G3

G2

G7

DISPLAY
MODE          

■

RDS is a broadcasting service which a growing number of FM stations are now providing. It allows these FM stations to
send additional signals along with their regular programme signals. For example, the stations send their station names, and
information about what type of programme they broadcast, such as sports or music, etc.
When tuned to an FM station which provide the RDS service, the RDS will appear, the station frequency (and then the
station name if sent) is displayed.
The TP (Traffic Programme) will appear on the display when the received broadcast carries traffic announcements, and the
TA (Traffic Announcement) will appear whilst a traffic announcement is being received.
EON will appear whilst the EON (Enhanced Other Networks information) data is being broadcast.

Note:
When the TP and TA appear at the same time, an announcement is being made.
When only the TA appears, an announcement is not being made.

■

With the CD-C5H, you can display two types of RDS service. To
show them in the display, press the DISPLAY MODE button.
Each time you press the DISPLAY MODE button, the display will
change to show the following information.

PS (Programme Service):

St a t i o n   n a m e s   c o m m o n l y
known will be displayed. "NO
PS" appears if no signal is
being sent.

PTY (Programme Type):

Programme type will be dis-
played.
"NO PTY" appears if no signal
is being sent.

Station Frequency:

Station frequencies.

Descriptions of the PTY (Programme Type) codes, TP (Traffic Programme) and TA (Traffic Announcement)
With the CD-C5H, you can search for and receive the following PTY, TP and TA signals.

News

Topical programme expanding on the
current news or affairs

Pr o g ra m m e s  o n   m e d i c a l  se rv i ce ,
weather forecast, etc.

Sports events

Educational programmes

Radio plays

Programmes on national or regional cul-
ture.

Programmes on national sciences and
technology

Other programmes like comedies or
ceremonies

Pop music

Rock music

Middle-of-the-road music (usually called
"easy listening")

Light music

Classics

Other music

Emergency broadcasts

No programme type (receive only)

B ro ad ca st s  whic h  ca rry  tra ffic  a n-
nouncements

Traffic announcements are being broad-
cast at present.

●

When the unit is in the EON stand-by mode and a pro-
gramme is selected, the unit will display "TI" instead of
"TA".