Circuit Adjustments; Adjustment With Commander; Adjustment Method - Sony KV-XA29K90 Service Manual

KV-XA29K90
RM-914

5-1. ADJUSTMENT WITH COMMANDER

Service adjustments to this model can be performed using the
supplied Remote Commander RM-914
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 Item
Name Name
Item No
GEO 00 HPS
041S 1.0C 59
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
Select the adjustment item.
↓
3, 6
Raise/lower the data value.
↓
[MUTING]
Writes.
↓
-
Executes the writing.
7, -
8, -
5, -
+ -
[MUTING]
2, -

CIRCUIT ADJUSTMENTS

n [POWER]
VOL (+)
Marking of new NVM
Mode
Data
p
1C SERVICE 50
7F 0 000A
PAL,SECAM:50
NTSC
Total Power-On time (hours)
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.
Write 50Hz adjustment data to 60Hz,
or vice versa.
SECTION 5

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 [0] button. (The WRITE
display will be changed to red color while excuting, and
back to SERVICE.)
Example on screen display :-
GEO 00 HPS
041S 1.0C 59
:60
GEO 00 HPS
041S 1.0C 59
Write with [MUTING]
GEO 00 HPS
041S 1.0C 59
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 [0].
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.
– 32 –
GREEN
1F SERVICE 50
7F 0 000A
Adjusted with [3]
and [6] buttons.
GREEN
1F WRITE 50
7F 0 000A
1F SERVICE 50
RED
The WRITE display
7F 0 000A
then the display
returns to green
SERVICE