Sony CDP-CE275, CDP-CE375 service manual Aging Mode, Mechanism Deck Check Mode

Page 4

CDP-CE275/CE375

Ver 1.1 2001.07

AGING MODE

For the aging mode, three modes of all mode, disc table mode, and loading mode are available.

This set has the Aging mode for operation check of the mechanism deck.

If a failure occurred

The aging operation stops and a faulty status is displayed on the fluorescent indicator tube.

If no failure occurs

The aging operation continues repeatedly.

Note: Do not use the test disc when performing aging.

Aging will not be performed properly if discs with tracks shorter than 4 seconds are used.

Procedure:

1.Press the [POWER] button and turn ON the power.

2.Set discs on all trays.

(More than two discs if five are not available)

3.All mode:

Press the [CHECK], [PLAY MODE] and x buttons at the same time. Disc table mode:

Press the [CHECK], [PLAY MODE] and [SKIP] buttons at the same time. Loading mode:

Press the [CHECK], [PLAY MODE] and [EX-CHANGE]buttons at the same time.

4.Aging starts, and the fluorescent indicator tube will display the following.

5.To exit the mode, press the [POWER] button to turn OFF the power.

Code No.

Status

All mode

Disc table

Loading

Display in

Display in

mode

 

mode

Normal operation

case of failure

 

 

 

 

 

 

 

 

 

 

 

 

0

CLOSE (Tray closed)

a

 

 

a

A-0

Err 0

1

TOC reading

a

a

 

a

A-1

Err 1

 

 

 

 

 

 

 

 

2

Access to last track

a

 

 

 

A-2

Err 2

 

 

 

 

 

 

 

 

3

Play of last track (3 sec)

a

 

 

 

Counter display

Err 3

4

EX OPEN (Tray opened while chucking)

a

 

 

a

A-4

Err 4

 

 

 

 

 

 

 

 

5

EX SKIP (Disc tray rotated)

a

 

 

 

A-5

Err 5

6

EX CLOSE (Tray closed)

a

 

 

a

A-6

Err 6

 

 

 

 

 

 

 

 

7

Access to first track

a

 

 

 

A-7

Err 7

 

 

 

 

 

 

 

 

8

Play of first track (3 sec)

a

 

 

 

Counter display

Err 8

9

OPEN (tray opened)

a

 

 

a

A-9

Err 9

 

 

 

 

 

 

 

 

A

DISC SKIP (Disc tray rotated,

a

a

 

 

A-A

Err A

and next disc was selected)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The discs are selectie in the order of DISC1 DISC2

DISC3

DISC4

DISC5 DISC1 .... Empty trays are skipped.

But the order is random in the disc table mode.

 

 

 

 

 

 

MECHANISM DECK CHECK MODE

For the mechanism deck check mode, two modes of disc table mode and loading mode are available.

In the mechanism deck check mode, the disc table turning time and the loading time in each section are measured and displayed.

Procedure:

Disc table mode:

Press the [POWER] switch while pressing Loading mode:

Press the [POWER] switch while pressing

Display contents

H

H

,[A OPEN/CLOSE] and [REPEAT] buttons simultaneously.

,[A OPEN/CLOSE] and [TIME] buttons simultaneously.

Mode

Check command

Display

Disc table mode

0: Right one turn

r 12.5

Table turning

1: Left one Turn

L 10.2

( time measurement )

2: Measurement end

r 12.5

 

3: Undefined

 

 

 

 

 

 

 

 

4: Star position

Sta

–.–

 

5: Open

Close

CLo

10.2

Table mode

6: Close

BU up

UP

0.7

7: BU up

EX open

EoP

6.2

Loading time

8: EX open

EX close

ECL

10.3

( measurement )

9: EX close

BU down

don

1.2

 

 

A: BU down

Open

oPn

9.3

 

FF: Measurement end

CLo

10.2

12

Image 4
Contents Specifications 873-822-12Test Mode ADJ ModeFluorescent Indicator Tube ALL LIT, and KEY Check Mode SectionButtons and Corresponding Button Numbers Button Button Number or DisplayAging Mode Mechanism Deck Check ModeElectrical Adjustments Curve CheckRfdc Level Check Rfac Level CheckBalance Check Section Diagrams Circuit Boards LocationIC BD To Main Board IC BD Schematic Diagram Main Board See page 24 for Waveform CDP-CE275/CE375