Circuit Adjustments; Adjustments With Commander - Sony KV-PF21M70 Service Manual

4-1. ADJUSTMENTS WITH COMMANDER

Service adjustments are made with the RM-952 that comes with
this unit.
a. ENTERING SERVICE MODE
With the unit on standby
[DISPLAY]
[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 No
GEO
623S
Suffix No
(OEM Code)
Software version
More user manuals on
↓
↓
5
↓
VOL (+)
↓
Item Name Marking of virgin NVM
Mode
Data
p
00 HPS 1C SERVICE
1.0C 59 7F 0 000A
Total Power-On time (hours)
ManualsBase.com
SECTION 4

CIRCUIT ADJUSTMENTS

1, 4
↓
3, 6
↓
[MUTING]
↓
-
7, -
8, -
5, -
2, -
50
PAL, SECAM : 50
NTSC : 60
– 51 –
KV-PF21M70/TF21M61/TF21M90/TF21P11
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.
1 2 3
4 6
5
7 8 9
÷
0
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MODE
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TV
RM-952
RM-952