Circuit Adjustments; Adjustment With Commander; Adjustment Method - Sony TRINITRON KV-HA21M80 Service Manual

KV-HA21M80/HA21N70/HA21N80
RM-969

4-1. ADJUSTMENT WITH COMMANDER

Service adjustments to this model can be performed using the
supplied Remote Commander RM-968 and RM-969.
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 :
Item
Adjustment
Item No
00 HPS
080S 1.6C
(KV-HA21M80)
083S
(KV-HA21N70/
HA21N80)
Software version
Suffix No
(OEM Code)
b. METHOD OF CANCELLATION FROM SERVICE
MODE
Set the standby condition (Press [POWER] button on the com-
mander), 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.
RM-968

CIRCUIT ADJUSTMENTS

n [POWER]
VOL (+)
Data Mode Depends on signal
33 SERVICE
50
00 000A
PAL,SECAM:50
NTSC
Total Power-On time (hours)
SECTION 4
e. OTHER FUNCTION VIA REMOTE COMMANDER
7, -
8, -
5, -
2, -
, -
[MUTE]

4-2. ADJUSTMENT METHOD

Item Number 00 HPS
This explanation uses H Shift as an example.
1. Select "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
:60
WRITE.)
5. Execute the writing with the - button. (The WRITE
display will be changed to red color while excuting, and
back to SERVICE.)
Example on screen display :-
00 HPS 33
Adjusted with [3] and [6] buttons.
00 HPS 33
Write with [MUTING]
00 HPS 33
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 -.
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.
– 18 –
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.)
Copy and write all data.
Write 50Hz adjustment data to 60Hz or vice
versa.
[MUTING]
button. (The display changes to
SERVICE 50
GREEN
WRITE 50 GREEN
WRITE 50
RED
The WRITE display
then the display
returns to green
SERVICE