Circuit Adjustments; Adjustments With Commander - Sony KV-EF34N90 Service Manual

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4-1. ADJUSTMENTS WITH COMMANDER

Service adjustments are made with the RM-951 that comes with
this unit.
a. ENTERING SERVICE MODE
With the unit on standby
[DISPLAY]
5
VOL (+)
[POWER]
This operation sequence puts the unit into service mode.
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), select an item of adjustment.
3) Press [MUTING] button and it will indicate WRITE on the screen.
4) 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.
The screen display is :
Device Name
Item Name
Item No
Data
GEO
00
HPS
008S
1.0C
59
Suffix No
(OEM Code)
Software version
SECTION 4

CIRCUIT ADJUSTMENTS

Marking of virgin NVM
Mode
p
1C
SERVICE
50
7F
0
000A
Total Power-On time (hours)
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.)
2, -
Write 50Hz adjustment data to 60Hz, or vice
versa.
TV/VIDEO FREEZE
ZOOM
LEFT
FAVORITE
PAL, SECAM : 50
NTSC
: 60
– 37 –
PIC
MUTING DISPLAY
POWER
MODE
MTS
VIDEO
TV
1
2
3
4
5
6
7
8
9
0
JUMP
ENTER
SWAP
PIP
TWIN
MENU
PIP CH
ZOOM
IN
IN
RIGHT
CH
INDEX
PIP CH
SOUND
SURROUND WAKE UP SLEEP
MODE
VOL
CH
VIDEO
POWER
TITLE
TV
RM-913
KV-EF34N90
RM-913

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