Sony KV-DA292M86 Service Manual ▷ View online
KV-DA292M86
RM-W105
– 20 –
6-3. FOCUS ADJUSTMENT
Note
Focus adjustment should be completed before W/B
Focus adjustment should be completed before W/B
adjustment.
1. Receive digital monoscope pattern.
2. Set PIC MODE to "STANDARD".
3. Adjust FOCUS VR so that the center of the screen
2. Set PIC MODE to "STANDARD".
3. Adjust FOCUS VR so that the center of the screen
becomes just focus.
4. Change the receiving signal to white pattern and blue
back.
5. Confirm MAGENTA RING is not noticeable. In case
MAGENTA RING is obvious, adjust FOCUS VR to
balance between MAGENTA RING and FOCUS
adjustment.
balance between MAGENTA RING and FOCUS
adjustment.
6-4. NECK ASSY TWIST ADJUSTMENT
1. Receive dot/hatch pattern DRC-MF, DRC1250,
DYNAMIC.
2. Turn FOCUS VR fully counter-clockwise.
3. Confirm the dot shape at the screen center. (Fig. 6-4)
4. Resume FOCUS VR.
3. Confirm the dot shape at the screen center. (Fig. 6-4)
4. Resume FOCUS VR.
Note
In case of turning NECK ASSY, loosen the screw 3 turns.
Do not move the position.
In case of turning NECK ASSY, loosen the screw 3 turns.
Do not move the position.
6-5. G2 (SCREEN) AND WHITE BALANCE
ADJUSTMENT
1. G2 (SCREEN) ADJUSTMENT
1. Set the PICTURE and BRIGHTNESS to normal.
2. Put to any signal input mode without signals.
1. Set the PICTURE and BRIGHTNESS to normal.
2. Put to any signal input mode without signals.
MCP : 001 RON
3. Connect R, G and B of the C board cathode to the
oscilloscope.
4. Adjust BRIGHTNESS to obtain the cathode voltage to
the value below.
5. Whilst watching the picture, adjust the screen VR
[RV9002] located on the flyback transformer to the point
just before the retrace lines disappear (to the point
before cut-off).
just before the retrace lines disappear (to the point
before cut-off).
2. WHITE BALANCE ADJUSTMENT
1. Set picture to Dynamic Mode.
2. [SADJ]
1. Set picture to Dynamic Mode.
2. [SADJ]
COL 60 t 00.
3. Fixed RDRV t 41.
4. Fixed RCUT t 31.
5. Adjust for highlight GDRV & BDRV.
6. Adjust for cut-off GCUT & BCUT.
4. Fixed RCUT t 31.
5. Adjust for highlight GDRV & BDRV.
6. Adjust for cut-off GCUT & BCUT.
1. Set picture to Dynamic Mode.
2. SADJ COL 00 t 100.
3. Adjust for cut-off CBOF & CROF.
2. SADJ COL 00 t 100.
3. Adjust for cut-off CBOF & CROF.
Set back SADJ COL t 60 (original condition).
FLYBACK TRANSFORMER (T6803)
Focus
G2 Adjustment
Lead Assy,
Focus
Focus
0 V
170v
± 2 (VDC)
Fix a Permaloy Assy Correction
to the misconverged areas
to the misconverged areas
a to d : Permaloy Assy Correction
Fig. 6-4
a
b
c
d
Permalloy assembly
OK
Turn NECK ASSY clockwise.
Turn NECK ASSY counter clockwise.
KV-DA292M86
RM-W105
– 21 –
SECTION 7
CIRCUIT ADJUSTMENTS
7-1.
ADJUSTMENTS WITH COMMANDER
Service adjustments to this model can be performed using the supplied remote commander RM-W105.
a. ENTERING SERVICE MODE
With the unit on standby
This operation sequence puts the unit into service mode.
This screen display is:
This screen display is:
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.
TV mode.
c. METHOD OF WRITE INTO MEMORY
1. Set to Service Mode.
2. Press 1 (UP) and 4 (DOWN), to select the adjustment item.
3. Change item by pressing 3, 6.
4. Press [MUTING] button to indicate WRITE on the screen.
5. Press - button to write into memory.
2. Press 1 (UP) and 4 (DOWN), to select the adjustment item.
3. Change item by pressing 3, 6.
4. Press [MUTING] button to indicate WRITE on the screen.
5. Press - button to write into memory.
item no.
service data
NVM
service
field
channel no./
category
in decimal
item name
in decimal
NG
command
frequency
video input name
WHBL
000
BKOR
000
x
SERVICE
50
S VIDEO 1
software
service data
reserved
power on time
release ID
version
in binary
for factory
color system
(decimal)
CGA01
0.16M
0000 0000
FF FF
NTSC3
00100
S_ _
: for SONY
A_ _
: for AIWA
L_ _
: BX1L Full
B_ _
: BX1L Basic
D_ _
: DVD Combo
C_ _
: CX1
Z_ _
: Sound special
_ _ _01 : Serial no. of the M/P release for each
destination
_ _ _10 ~: use for FY04 BX1
_ _SB
_ _SB
: Sub Hercules
t [DISPLAY] t 5 t [VOL $+% ] t [POWER]
For BP Board Version; and PF Engine Version;
Category and release ID will be different.
The rest are the same.
The rest are the same.
BP Board Version
item no.
item
category
in decimal
name
SUBP
000
10XH
software
release ID
version
CBP01
0.06
PF Engine Version
item no.
item
category
in decimal
name
9090
000
software
release ID
version
PF 0018M
1
, 4
Select the adjustment item.
r
3
, 6
Raise/lower the data value.
r
[MUTING]
Writes.
r
-
Executes the writing.
KV-DA292M86
RM-W105
– 22 –
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.
2. Turn the power switch ON and set to Service Mode.
3. Call the adjusted items again to confirm adjustments were made.
e. OTHER FUNCTION VIA REMOTE COMMANDER
7
, -
All the data becomes the values in memory.
8
, -
All user control goes to the standard state.
Display, -
Service data initialization (Be sure not to use usually.)
2
, 5
Select Device or Category
7-2.
ADJUSTMENT METHOD
Item Number 000 HPOS
This explanation uses H POSITION as an example.
1. Select "000 HPOS" with the 1 and 4 buttons, or 2 and 5.
2. Raise/lower the data with the 3 and 6 buttons.
3. Select the optimum state. (The standard is IF for PAL reception.)
4. Write with the [MUTING] button. (The display changes to WRITE.)
5. Execute the writing with the - button. (The WRITE display will be changed to red color while executing, and back to
This explanation uses H POSITION as an example.
1. Select "000 HPOS" with the 1 and 4 buttons, or 2 and 5.
2. Raise/lower the data with the 3 and 6 buttons.
3. Select the optimum state. (The standard is IF for PAL reception.)
4. Write with the [MUTING] button. (The display changes to WRITE.)
5. Execute the writing with the - button. (The WRITE display will be changed to red color while executing, and back to
SERVICE.)
Example on screen display :-
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 -.
[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.
Adjusted with
[3] and [6] buttons.
GREEN
WHBL
000
BKOR
000
SERVICE
50 VIDEO 1
write with
[MUTING].
GREEN
WHBL
000
BKOR
000
WRITE
50
VIDEO
1
WHBL
000
BKOR
000
WRITE
50
VIDEO
1
Write executed with
[0].
RED
The WRITE display
then returns to green
SERVICE
then returns to green
SERVICE
KV
-D
A292M86
-D
A292M86
RM-W105
–
23
–
Adjustment Item Table (Main Micon)
NOTE
a) In the initial value (detailed) colomn, the data after the slash mark ("/") refers to NTSC model data.
a) In the initial value (detailed) colomn, the data after the slash mark ("/") refers to NTSC model data.
No ("/") means data is common for Multi and NTSC model.
b) Item remarked "*" and "**", please refer page 37 for the data.
c)
c)
shaded items are no data.
d) Standard data listed on the Adjustment Item Table are reference values, therefore it may be different for each model and for each mode.
e) Note for the Different Data those are the standard data values written on the microprocessor. Therefore, the data values of the models are stored respectively in the memory.
e) Note for the Different Data those are the standard data values written on the microprocessor. Therefore, the data values of the models are stored respectively in the memory.
In the case of a device replacement, adjustment by rewriting the data value is necessary for some items.
f) Multi ver v0.31.
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