DOWNLOAD Sony SCD-XE800 Service Manual ↓ Size: 2.62 MB | Pages: 48 in PDF or view online for FREE

1 floating screw (DIA.12)

2 shaft

3 cam shaft

4 base unit

1 flat type (24 core) wire

2 insulator screw

4 insulator

4 insulator

4 insulator

4 insulator

3

2 insulator screw

2 two insulator screws

5 optical pick-up block

When the service mode is operated, the following, remote com-
mander is necessary. 
(The service mode cannot be operated by remote commander to 
which this machine is attached)
Remote commander (RM-ASP004): Part No. 1-479-272-21

Note: Above-mentioned remote commander is one example. If it is the 

one printed under a remote commander as “DVD”, any remote com-
mander can be operated.

COLD  RESET
The cold reset clears data stored in microcomputer’s RAM to ini-
tial conditions.
Procedure:
1.  Press three buttons of [

x

], [

Z

] and [

?/1

] on the set simultane-

ously.

2.  “COLD RESET” appears on the fl uorescent indicator tube. Af-

ter that, the fl uorescent indicator tube becomes blank then the 
system becomes standby states.

PANEL  TEST
Procedure:
1.  Press the [

?/1

] button to turn on.

2.  Press three buttons of [

x

], [

.

 AMS 

>

, PUSH ENTER] 

and [

?/1

] on the set simultaneously.

3.   All segments turned on.
4.   When [

x

] button on the set is pressed after half segments in 

fl uorescent indicator tube light up. If you press [

x

] button on 

the set again, another half segments in fl uorescent  indicator 
tube light up. Pressing [

x

] button on the set again would cause 

all segments in fl uorescent indicator tube light up.

5.  When the [

.

] button on the remote commander is pressed, 

“FY10SCD” and the model name are displayed on the fl uores-
cent indicator tube.

 

Note: Each time that the [

.] button on the remote commander is 

pressed, the information displayed on the fl uorescent indicator 
tube changes in the order of Destination, MC version, SYS ver-
sion, UI version, DVD version, TA version and DSP version. 
However, this cannot be used in service.

6. Press [

N

] button on the set, in the key check mode, the fl uo-

rescent indicator tube displays “K0 J0”. 

7.  Each time an another button is pressed, “KEY” value increas-

es. However, once a button is pressed, it is no longer taken into 
account. When all keys are pressed correctly, “K9” and “OK” 
are alternately displayed.

8. When the [

.

 AMS 

>

, PUSH ENTER] dial on the set is 

turned in the direction of right,“J0” is changed to “J1”, then ... 
“J9”. When the [

.

 AMS 

>

, PUSH ENTER] dial on the 

set is turned in the direction of left, “J0” is changed to “J9”, 
then ... “J0”.

9.  To release from this mode, press three buttons in the same 

manner as step 2.

Note 1: According to the following procedures when you ship it 

(Return it to the customer).

1.  SERVICE MODE (1) of step 6 and 7 

  

(EEPROM 

clearness) 

2. COLD 

RESET

CDM  TEST
Aging test mode of CDM. 
Procedure:
1.  Press three buttons of [

X

], [

Z

] and [

?/1

] on the set simultane-

ously.

2.  After the “Open” display blinks, “SINGLE LOADING” is dis-

played on the fl uorescent indicator tube.

3. Press 

[

.

 AMS 

>

, PUSH ENTER] and then aging starts.

4.  To stop aging, Press [

x

] button.

5.  To release from this mode, press three buttons of [

X

], [

Z

] and 

[

?/1

] on the set simultaneously.

SERVICE  MODE (1)
In this mode, a variety of information is displayed on the fl uo-
rescent indicator tube. Refer to the following table for displayed 
various information. 

EEPROM  CLEAR
Procedure:
1.  Press two buttons of [

x

] and [

Z

] on the set simultaneously for 

3 seconds.

2.  Various information is displayed on the fl uorescent indicator 

tube.

3. When 

[

R

] button is pressed of the remote commander. Reboot-

ing emergence factor appears of toggle article number on the 
fl uorescent indicator tube.

4. When [

t

] button is pressed of the remote commander. MTK 

communication error factor appears of toggle article number 
on the fl uorescent indicator tube. 

5. When [

r

] button is pressed of the remote commander. Power 

ON/OFF error factor appears of toggle article number on the 
fl uorescent indicator tube.

6.  Press the button in order of the [4] 

t

 [TIME/TEXT] 

t

 

[CLEAR] on the remote commander of attachment. 

7.  The message “Complete” is displayed on the fl uorescent indi-

cator tube, and EEPROM is cleared. 

Note: Don't press the [

?/1

] button when to release from this mode. Nec-

essarily disconnect the power cord. The set doesn't operate when 
turning off power with [

?/1

] button of the set. 

Note: “nnn” of toggle article number is a generation frequency of the error.

Rebooting emergence 
(Rebooting emergence 
factor)

Test key2 (

R)

2Annn

It was not possible to communicate with MTK fi ve seconds more continu-
ously

2Bnnn

Compulsion power off demand was received from MTK

2Cnnn

Only MTK reset it 
(Destination, model and region for are the disagreements)

2Dnnn

Fails in the start of MTK

2Ennn

Fails in the switch of the input mode of MTK

2Fnnn

Input mode of MTK changed without permission

2Gnnn

Reacts to the key notifi cation no though the communication with MTK is 
alive

Serial communications 
(MTK communication 
error factor)

Test key3 (

t)

3Annn

It was not possible to communicate with MTK with 48ms

3Bnnn

A non-standard packet length was received (Excluding 16 bytes)

3Cnnn

Checksum NG

3Dnnn

Type of the communication header is NG

MTK power control 
(Power ON/OFF error 
factor)

Test key4 (

r)

4Annn

Fails in AC ON Initial

4Bnnn

Fails in power on of MTK

4Cnnn

Initialization response of CDM is abnormal

4Dnnn

CDM mechanism error notifi cation is received

4Ennn

Input mode is NG MTK is started

4Fnnn

MTK input mode switch at time fails usually

4Gnnn

Fails in power off of MTK

4Hnnn

Fails in power off of CDM

1.  Service Mode (2) General Description
This mode let you make diagnosis and adjustment easily by us-
ing the remote commander and the TV screen for Composite in-
put. The instructions, diagnostic results, etc. are given on the TV 
screen.
Be sure to execute the IOP measurement when a base unit is re-
placed.
Preparations:
Prepare a TV monitor that has a Composite input.
Connection Procedures:
Connect the TV monitor to CN1801 on the MAIN board as shown 
in the diagram.

VBOUT

GND

TV monitor

2.  Entering Service Mode (2)
Procedure:
1.  Press the [

?/1

] button to turn the power on. 

2.  Press two buttons of [

x

] and [

Z

] on the set simultaneously for 

3 seconds

3.  The message “SERVICE IN” appears on the fl uorescent indi-

cator tube and top menu of the Remocon Diagnosis Menu ap-
pears on the on-screen display on the TV screen for Composite 
input as follows. The model name, IF-con version and Syscon 
version are displayed at the bottom of the on-screen display.

 

Remocon Diagnosis Menu

0. External Chip Check

1. Servo Parameter Check

2. Drive Manual Operation

3. Emergency History

4. Version Information

Model Name :xxx-xxxxx

IF-con:Ver.xx.xx(xxxx)

Syscon:Ver.x.xxx

4.  To execute each function, press its number by using numeric 

button on the remote commander.

5.  To release from this mode, disconnect the power cord.

Note: Don't press the [

?/1

] button when to release from this mode. Nec-

essarily disconnect the power cord. The set doesn't operate when 
turning off power with [

?/1

] button of the set.

3.  Executing IOP Measurement
In order to execute IOP measurement, the following standard pro-
cedures must be followed.
Procedure:
1.  From the top menu of Remocon Diagnosis Menu, select “2 

Drive Manual Operation” by pressing the [2] button on the 
remote commander. The following screen appears on the on-
screen display

 

Drive Manual Operation

1. Servo Control

2. Track/Layer Jump

3. Manual Adjustment

4. Mecha test mode

5. MIRR time Adjust

0. Return to Top Menu

2.  Select “3. Manual Adjustment” by pressing the [3] button on 

the remote commander. The following screen appears on the 
on-screen display.

 

Manual Adjust

1. Track Balance Adjust:

2. Track Gain Adjust:

3. Focus Balance Adjust:

4. Focus Gain Adjust:

5. Eq Boost Adjust:

6. Iop:

7. TRV. Level:

8. S curve(FE) Level:

9. RFL(PI) Level:

0. MIRR Time:

[

V][v]  Change Value

[RETURN]Return to previous menu

3.  Select “6. Iop:” by pressing [6] button on the remote com-

mander.

4.  Wait until a hexadecimal number appear in the on-screen dis-

play as below.

Note: SERVICE MODE (2) is a service mode of Super Audio CD.