DAV-FZ900KW, DAV-FZ900M, HCD-FZ900KW - Sony Audio Service Manual (repair manual). Page 16

•  The IOP measurement allows you to make diagnosis and ad-

justment simply by using the remote commander and moni-
tor TV. The instructions, diagnosis results, etc. are given on 
the on-screen display (OSD).

  Be sure to execute the IOP measurement when a BU (Base 

Unit) is replaced.

7-2.  HOW  TO  ENTER  TEST  MODE
While pressing the [

x

] and [

Z

] buttons simultaneously, turn 

[VOLUME] control in the direction of (+) with the DVD player 
in power on.
The Test Mode starts, displayed “SERVICE IN” on this model 
display then the menu shown below will be displayed on the TV 
screen.
*  The display of the “Model Name” of the “Remocon Diagnosis 

Menu” change with the model and the destination. Refer to 
below on the model name.

 FZ900KW 

: 

DSY9GKW

 FZ900M : 

DSY9GKD

The menu above is the Remocon Diagnosis Menu screen which 
consists of fi ve main functions. At the bottom of the menu screen, 
the model name and IF-con version. To exit from the Test Mode, 
press the [

?/1

] button on the remote commander.

7-3.  EXECUTING  IOP  MEASUREMENT
In order to execute IOP measurement, the following standard pro-
cedures must be followed.

(1)  In power on, while pressing the [

x

] and [

Z

] buttons simultane-

ously, turn the [VOLUME] control in the direction of (+).

Remocon Diagnosis Menu

0. External Chip Check
1. Servo Parameter Check
2. Drive Manual Operation
3. Emergency History
4. Version Information

Model Name
IF-con

: Ver. XX.XX (XXXX)

Syscon

: Ver. X.XXX

: DSY9GKW_XX

*

1

*1: Changes depending on destination 

Remocon Diagnosis Menu

0. External Chip Check
1. Servo Parameter Check
2. Drive Manual Operation
3. Emergency History
4. Version Information

Model Name
IF-con

: Ver. XX.XX (XXXX)

Syscon

: Ver. X.XXX

: DSY9GKW_XX

*

1

*1: Changes depending on destination 

•  This mode moves the optical pick-up to the position durable 

to vibration and clears all data including preset data stored in 
the RAM to initial conditions. Use this mode when returning 
the set to the customer after repair.

Procedure:
1.  Press the [

?/1

] button to turn the power on.

2.  Press the [FUNCTION] button to set the function “DVD”.
3.  Remove all discs, and then press three buttons [

x

], [

Z

] and 

[VOLUME+] simultaneously.

4.  Displayed to message “SERVICE IN” on the fluorescent 

indicator tube when pressing in turn the [4] t [DVD MENU] 
t [CLEAR] buttons on the remote commander.

5.  After the “STANDBY” blinking display fi nishes, the message  

“MECHA LOCK” h “UNPLUG” is displayed on the 
fl uorescent indicator tube disconnect the AC power plug, then 
the product out mode is set.

•  Color system change to video signal format (NTSC/PAL).

Procedure:
1.  Press the [

?/1

] button to turn the set on.

2.  Press the [FUNCTION] button to set the function “DVD”.
3.  Press the [

?/1

] button to turn the set OFF. 

4.  Press two buttons [

.

] and [

?/1

] simultaneously, and the 

display of fl uorescent indicator tube changes to “COLOR 
PAL” or “COLOR NTSC”.