Circuit Adjustments; Adjustments With Commander - Sony TRINITRON KV-PF21DK7 Service Manual

KV-PF21N70/PF51P40/PF21P70/PF21Q40
RM-915 RM-952
KV-PF21Q70/PF21M70/PF21DK7
RM-952 RM-952

4-1. ADJUSTMENTS WITH COMMANDER

Service adjustments are made with the RM-915 or RM-952 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
GEO 00 HPS
623S or 1.0C 59
622S
Suffix No
(OEM Code)
Software version
RM-952 RM-952
RM-952

CIRCUIT ADJUSTMENTS

Marking of virgin NVM
Mode
Data
p
1C SERVICE 50
PAL, SECAM : 50
7F 0 000A NTSC
Total Power-On time (hours)
SECTION 4
1, 4
↓
3, 6
↓
[MUTING]
↓
-
7, -
8, -
5, -
2, -
MUTING DISPLAY POWER
MTS VIDEO
1 2
4
5
7
8
0
JUMP
VOL
SOUND
MODE
FAVORITE
WAKE UP
PIC MODE
SLEEP
AUTO
CABLE PROGRAM
TV
: 60
RM-915
– 42 –
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.
TV
1
3
4
6
7
9
÷
ENT
SOUND
CH
MODE
SELECT
ADD/
FAVORITE
ERASE
RM-952
3
2
5 6
9
8
0
JUMP
Á
PROGR
TV