KP-43T90, KP-48V90, KP-53V90, KP-61V90 - Sony TV Service Manual (repair manual). Page 16

By using Remote Commander (RM-Y906), all circuit adjustments can 
be made.

NOTE : The following test equipment is required: 

1. Pattern Generator (with RF, composite, and component outputs)

2. Digital multimeter

1. TV must be in Standby mode. (Power off)

2. Press “DISPLAY”, 5, “Volume +”, then “TV Power” on the Remote 

Commander. 

  (Press each button within 1 second of pressing the previous button.)

Category   Adjustment item

DATA

(SCREEN DISPLAY)

SERVICE VPNT VPOS 031
000000   00

3.  The screen displays the adjustment category and the item being 

adjusted within that category.

4.  Press 1 or 4 to select the adjustment item

5.  Press 3 or 6 to change the data

6.  Press 2 or 5 to select the adjustment category

7.  If you want to go back to the most recently saved value, press “0” then 

“ENTER” to read the memory.

8.  Press “MUTING” then “ENTER” to write the new adjustment data into 

memory.

9.  Turn power off when you want to exit the service mode.

Note: Press “8” then “ENTER” to restore the factory settings for user 

controls and channel memories (this will also turn set off and then on 
to exit the service mode).

1. After adjustment, remove the plug from the AC outlet, and then 

replace the plug in the AC outlet again.

2. Turn the power switch ON and enter the Service Mode.

3. Cycle through the adjusted items again and confi rm that the 

adjustments were saved.

Note: When the PJE mode (which displays an internally generated 
signal) is activated, several buttons on the remote commander will have 
different functions than the ones listed above. Therefore, when in the PJE 
mode, refer to section 2-10 for button functions.

 

    

ENTER

Adjustment
item up

Adjustment
item down

TV Power ON

Display

Data up

Data down

Category down

MUTING

Category up

    

 

 

         RM-Y906