Circuit Adjustments; Adjustments With Commander; Adjustment Method - Sony KV-XA29M31 Service Manual

5-1. ADJUSTMENTS WITH COMMANDER

Service adjustments to this model can be performed using the sup-
plied Remote Commander RM-954
a. ENTERING SERVICE MODE
With the unit on standby
n [DISPLAY] n 5 n
This operation sequence puts the unit into service mode.
The screen display is :
Device
Name
Item No
GEO
032S 1.0C
Suffix No
(OEM Code)
Software version
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), 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
↓
3, 6
↓
[MUTING]
↓
-
7, -
8, -
5, -
2, -
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n [POWER]
VOL (+)
Item
Name Marking of new NVM
Data Mode
p
00 HPS 1C SERVICE
59 7F 0 000A
PAL,SECAM:50
NTSC
Total Power-On time (hours)
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.
SECTION 5

CIRCUIT ADJUSTMENTS

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
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 :-
50
GEO
630S 1.0C
:60
GEO
630S 1.0C
GEO
630S 1.0C
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
– 35 –
[MUTING]
button. (The display changes to
00 HPS 1F SERVICE 50
59 7F 0 000A
00 HPS 1F WRITE
59 7F 0 000A
Write with [MUTING]
00 HPS 1F SERVICE 50
59 7F 0 000A
Write executed with [0]
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.
KV-XA29M31/XA29M50/
XA29M61/XA34M31
RM-954
GREEN
Adjusted with [3]
and [6] buttons.
50 GREEN
RED
The WRITE display
then the display
returns to green
SERVICE