Circuit Adjustments; Adjustment With Commander; Adjustment Method - Sony TRINITRON KV-XJ29M31 Service Manual

4-1. 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
n [DISPLAY] n 5 n
VOL (+)
This operation sequence puts the unit into service mode.
The screen display is :
Device
Item
Name Name
Item No
Data
GEO 00 HPS 1C
637S 1.0C 59 7F
(KV-XJ29M31/
XJ29M80(E))
638S
(KV-XJ29M50/M80(India)/
XJ29M80(ME)/XJ29M81)
642S
(KV-XJ29M50/M60(Thailand))
Software version
Total Power-On time (hours)
Suffix No
(OEM Code)
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.
1, 4
Select the adjustment item.
↓
3, 6
Raise/lower the data value.
↓
[MUTING]
Writes.
↓
-
Executes the writing.
SECTION 4

CIRCUIT ADJUSTMENTS

n [POWER]
Marking of new NVM
Mode
p
SERVICE 50
0 000A
PAL,SECAM:50
NTSC :60
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.

4-2. 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.)
[MUTING]
4. Write with the
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 :-
GEO 00 HPS 1F
637S 1.0C 59 7F
638S
642S
GEO 00 HPS 1F
637S 1.0C 59 7F
638S
642S
Write with [MUTING]
GEO 00 HPS 1F
637S 1.0C 59 7F
638S
642S
Write executed with [0]
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.
– 31 –
KV-XJ29M31/XJ29M50/XJ29M60/
XJ29M80/XJ29M81
button. (The display changes to
GREEN
SERVICE 50
0 000A Adjusted with [3]
and [6] buttons.
GREEN
WRITE 50
0 000A
SERVICE 50 RED
The WRITE display
0 000A
then the display
returns to green
SERVICE
RM-952