Circuit Adjustments; Adjustment With Commander - Sony TRINITRON KV-ES38M31 Service Manual

KV-ES38M31/ES38M61/ES38M90/ES38M91
6-1. ADJUSTMENTS WITH COMMANDER
Service adjustments are made with the RM-916 that comes with
this unit.
a. ENTERING SERVICE MODE
This operation sequence puts the unit into service mode.
n [DISPLAY] n 5 n
The screen display is :
Device Name Item Name
Item No
GEO 00
0 035Q
Suffix No
(OEM Code)
Software version
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 :
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.)
[DISPLAY], - Write 50Hz adjustment data to 60Hz, or vice
versa.
2, -
Write 50Hz adjustment data to 60Hz, or vice
versa.
Cursor +/- Copy and write all data.
example:
GEO
↕
DAC
RM-916

CIRCUIT ADJUSTMENTS

n [POWER]
VOL (+)
Marking of virgin NVM
Mode
Data
VSZ 29 p SERVICE
5.8M 59 FF 000A
PAL,SECAM :50
NTSC
Total Power-On time (hours)
00 VSZ
00 HCT
SECTION 6
6-2. 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.)
4. Write with the
WRITE.)
5. Execute the writing with the - button. (The WRITE
display will be changed to red color while excuting, and
back to SERVICE.)
50
GEO 00 HPS
0 035Q 5.8M
:60
GEO 00 HPS
0 035Q 5.8M
Write with [MUTING]
GEO 00 HPS
0 035Q 5.8M
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
then execute the write with -.
[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.
3. Additional function to skip category (device) to
category (device).
example:
GEO
↕
DAC
The buttons for the function above should be > and ..
– 46 –
[MUTING]
button. (The display changes to
GREEN
29 SERVICE 50
59 FF 0 000A
Adjusted with [3]
and [6] buttons.
GREEN
1F WRITE 50
59 FF 0 000A
1F SERVICE 50 RED
The WRITE display
59 FF 0 000A
then the display
returns to green
SERVICE
, the data for all items are written into
00 VSZ
00 XXX
[MUTING]
,