SCD-XE800 - Sony Audio Service Manual (repair manual). Page 12

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.