Circuit Adjustments; Adjustments With Commander; Adjustment Method - Sony TRINITRON KV-EX29K94 Service Manual

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7-1.

ADJUSTMENTS WITH COMMANDER

Service adjustments to this model can be performed using the
supplied Remote Commander RM-965.
a. ENTERING SERVICE MODE
With the unit on standby
n [DISPLAY] n 5 n
VOL (+)
The screen display is :
Device
Item
Name
Name
Item No
Data
GEO
00
VSZ
29
0
043Q
1.5N
59
Suffix No
(OEM Code)
Software version
Total Power-On time (hours)
b. CANCELLATION OF 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
item Name.
3) Press [3] or [6] to raise/lower the data value.
4) Press [MUTING] button to indicate WRITE on the screen.
5) Press [0] button to write into memory.
d. OTHER FUNCTION VIA REMOTE COMMANDER
7, -
All the data becomes the values in memory.
8, -
All goes to the standard state.
5, -
Service data initialization (Be sure not to
use usually.)
[DISPLAY], - Write 50Hz adjustment data to 60Hz, or
vice versa.
2, -
Copy and write all data.
Skip category (device) to caategory (device)
Cursor +/–
example : GEO
e. 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.
SECTION 7

CIRCUIT ADJUSTMENTS

n [POWER]
Marking of new NVM
Mode
p
SERVICE
50
FF 0
000A
PAL,SECAM:50
NTSC
:60
00
VSZ
DAC
00
HCT
7-2.

ADJUSTMENT METHOD

Item Number 00 of device GEO
This explanation uses V-size as an example.
1. Select "GEO 00 VSZ" 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. Press
button to indicateWRITE on screen. (The
display from SERVICE (green display) to WRITE (green
display).
5. Execute the writing with the - button. (The WRITE
display changes to red color while executing and then back
to SERVICE (green display).
6. The WRITE execution is completed.
Example on screen display :-
GEO
00
VSZ
29
0
043Q
1.5N
59 FF
GEO
00
VSZ
1F
0
043Q
1.5N
59
Write with [MUTING]
GEO
00
VSZ
1F
0
043Q
1.5N
59 FF
Write executed with [0]
Use the same method for all Items.
[WRITE]
Note : 1. In
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.
– 37 –
KV-EX29K94/EX34K94
GREEN
SERVICE 50
0
000A
Adjusted with [3]
and [6] buttons.
GREEN
WRITE
50
FF
0
000A
RED
The WRITE
(red display)
WRITE
50
return to SERVICE
0
000A
(green display)
shows write is
executed.
, the data for all items are written into
RM-965

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