Sony TRINITRON KV-XA25M30A, Руководство по обслуживанию

Страница: 30 / 78

– 28 –
KV-XA25M30A/XA29M30A
RM-952
SECTION 5
CIRCUIT ADJUSTMENTS
5-1. ADJUSTMENTS WITH COMMANDER
Service adjustments to this model can be performed using the
supplied Remote Commander RM-952.
a. ENTERING SERVICE MODE
With the unit on standby
This operation sequence puts the unit into service mode.
The screen display is :
b. METHOD OF CANCELLATION FROM SERVICE
MODE
Set the standby condition (Press
[POWER]
button on the com-
mander), 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), to select the adjustment.
4) Press
[MUTING]
button to indicate WRITE on the screen.
5) 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.
n [DISPLAY] n
5
n
VOL (+)
n [POWER]
5-2. ADJUSTMENT METHOD
Item Number 00 of device GEO
This explanation uses H-Position as an example.
1. Select “GEO 00 HPS” with the
1
and
4
buttons.
2. Raise/lower the data with the
3
and
6
buttons.
3. Select the optimum state. (The standard is 1F for PAL
reception.)
4. Write with the
[MUTING]
button. (The display changes to
WRITE.)
5. Execute the writing with the
-
button. (The WRITE
display will be changed to red color while excuting, and
back to SERVICE.)
Example on screen display :-
1
,
4
Select the adjustment item.
↓
3
,
6
Raise/lower the data value.
↓
[MUTING]
Writes.
↓
-
Executes the writing.
7
,
-
All the data becomes the values in memory.
8
,
-
All user control goes to the standard state.
5
,
-
Service data initialization (Be sure not to use
usually.)
[MUTING]
+
-
Write 50Hz adjustment data to 60Hz, or vice
versa.
2
,
-
Copy the data.
Use the same method for all Items. Use
1
and
4
to select the
adjustment item, use
3
and
6
to adjust, write with
[MUTING]
,
then execute the write with
-
.
Note : 1. In
[WRITE]
, the data for all items are written into
memory together.
2. For adjustment items that have different standard
data between 50Hz or 60Hz, be sure to use the
respective input signal after adjustment.
PAL,SECAM:50
NTSC :60
00 HPS 1C SERVICE
Data Mode
Item
Name
Item No
Software version
Suffix No
(OEM Code)
Total Power-On time (hours)
p
Marking of new NVM
GEO
1.0C 59 7F 000A 0 638S
Device
Name
50
1F SERVICE 50 HPS
Adjusted with [3]
and
[6]
buttons.
GREEN
Write with [MUTING]
Write executed with [0]
GEO 00
7F 0 000A 59 638S 1.0C
GREEN
1F WRITE 50 HPS GEO 00
7F 0 000A 59 638S 1.0C
1F SERVICE 50 HPS RED
The WRITE display
then the display
returns to green
SERVICE GEO 00
7F 0 000A 59 638S 1.0C