Circuit Adjustment; Adjustments With Commander - Sony KV-XF25M50 Service Manual

4-1. ADJUSTMENTS WITH COMMANDER

Service adjustments are made with the RM-954 that comes with
these units.
a. ENTERING SERVICE MODE
With the unit on standby
↓
[DISPLAY]
↓
5
↓
VOL (+)
↓
[POWER]
This operation sequence puts the unit into service mode.
b. METHOD OF CANCELLATION FROM SERVICE
MODE
Set the standby condition (Press [POWER] button on the commander),
then press [POWER] button again, hereupon it becomes TV mode.
c. METHOD OF WRITE INTO MEMORY
1) Set to Service Mode.
2) Press [1] (UP) and [4] (DOWN), select an item of adjustment.
3) Press [MUTING] button and it will indicate WRITE on the screen.
4) Press [0] button to write into memory.
d. MEMORY WRITE CONFIRMATION METHOD
1) After adjustment, pull out the plug from AC outlet, and then
plug into AC outlet again.
2) Turn the power switch ON and set to Service Mode.
3) Call the adjusted items again to confirm adjustments were made.
The screen display is :
Device Name Item Name
Item No Data
GEO 00 HPS 1C
621S 1.0C 59
Suffix No
(OEM Code)
Software version
CIRCUIT ADJUSTMENTS
Marking of virgin NVM
Mode
p
SERVICE 50
7F 0 000A
Total Power-On time (hours)
SECTION 4
1, 4
↓
3, 6
↓
[MUTING]
↓
-
7, -
8, -
5, -
2, -
PAL, SECAM : 50
NTSC : 60
– 31 –
KV-XF25M50/XF25M80
Select the adjustment item.
Raise/lower the data value.
Writes.
Executes the writing.
All the data becomes the values in memory.
All user control goes to the standard state.
Service data initialization (Be sure not to use
usually.)
Write 50Hz adjustment data to 60Hz, or vice
versa.
1 2 3
4 5 6
7 8 9
-/-- 0
SOUND
MODE SURROUND FAVORITE
PIC MODE MENU
A/B ENTER
RM-954
RM-954