DOWNLOAD Sony KV-BM212M10 Service Manual ↓ Size: 5.67 MB | Pages: 59 in PDF or view online for FREE

Model
KV-BM212M10
Pages
59
Size
5.67 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-bm212m10.pdf
Date

Sony KV-BM212M10 Service Manual ▷ View online

– 9 –
KV-BM212M10/BM212P42
RM-W101
R G
B
R
G
B
R
G B
R
B
R
G
G
G
B
R
B
2-2. CONVERGENCE
• Before starting this adjustment, adjust the focus,
horizontal size and vertical size.
• Receive dot/hatch signal.
• Pic mode: Standard.
(1) Horizontal and Vertical Static Convergence
1. (Moving vertically), adjust the V.STAT magnet so that
the red, green and blue dots are on top of each other
at the center of the screen.
2. (Moving horizontally), adjust the H.STAT control so
that the red, green and blue dots are on top of each
other at the center of the screen.
3. If the H.STAT variable resistor cannot bring the red,
green and blue dots together at the center of the
screen, adjust the horizontal convergence with the
H.STAT variable resistor and the V.STAT magnet in
the manner given below.
(In this case, the H.STAT variable resistor and the
V.STAT magnet influence each other, so be sure to
perform adjustments while tracking.)
Center dot
R    G    B
R
G
B
H. STAT VR
V. STAT
Magnet
RV750
H. STAT
C Board
BMC (Hexapole)
V.STAT
DY pocket
Purity
V.STAT
BMC
Purity
Operation of V.STAT magnet
If the V.Stat magnet is moved in the “A” and “B” arrows,
the red, green and blue dots moves as shown below.
Moved RV750 H.STAT.
the red, green and blue dots move as shown below.
4. BMC (Hexapole) Magnet.
If the red, green and blue dots are not balanced or
aligned, then use the BMC magnet to adjust in the
manner described below.
R
R
G
G
B
B
A
B
B
A
R
R
G
G
B
B
A
B
– 10 –
KV-BM212M10/BM212P42
RM-W101
(2) Convergence Rough Adjustment
Preparation:
• Before starting this adjustment, adjust the horizontal
static convergence and the vertical static
convergence
TLV
R B
YCH
R
B
XCV
B
R
TLH
B
R
Piece A (90), conv. correct
a
b
c
d
TLH
Insert
TLH
Correction Plate to DY Pocket
(Left or Right)
YCH
Insert
YCH
VOL on DY
TLV
Rotate TLV
VOL on DY
XCV
Rotate XCV
Adj core on DY
(3) Screen corner Convergence
1. Affix a Piece A (90), conv. correct corresponding to
the misconverged areas.
b
a
c
d
a-d : screen-corner
        misconvergence
ON DY:
TLV
TLV
XCV
YCH
DY pocket
DY pocket
TLH Plate
XCV
– 11 –
KV-BM212M10/BM212P42
RM-W101
2-5. WHITE BALANCE ADJUSTMENT
1. Set to Service Mode (Refer Section 3-1:
ADJUSTMENTS WITH COMMANDER)
2. Input white raster signal.
3. Set Picture to <DYNAMIC mode>.
4. Select RDRV (002) with 
1
 and 
4
 and fixed the
value to 37 (Dec) with 
3
 and 
6
.
5. Adjust WHBL GDRV (003) and BDRV (004) with 
1
and 
4
 and adjust the data with 
3
 and 
6
 for best
white balance in Highlight condition.
6. Write into the memory by pressing [MUTING] then 
-
.
7. Adjust WHBL BKOR (000) and BKOG (001) with 
1
and 
4
 and adjust the level with 
3
 and 
6
 for best
white balance cut-off condition.
8. Write into memory by pressing [MUTING] then 
-
.
9. US model need to apply only for colour temperature
in Neutral.
2-6. SUB BRIGHT ADJUSTMENT
1. Set to service mode.
2. Brightness set to 50%, Picture....Minimum
3. Select WHBL SBRT (010) with 
1
 and 
4
 and adjust
SBRT (010) data with 
3
 and 
6
 so that the third
stripe from right dimly lit.
4. Write into the memory by pressing [MUTING] then 
-
.
5. GA models C/O: 20 IRE
S/G: 30 IRE
165 
± 2VDC
2-3. FOCUS ADJUSTMENT
FOCUS adjustment should be completed before the W/B
adjustment:
1. Receive digital monoscope pattern.
2. Set picture mode: DYNAMIC.
3. Adjust focus VR to obtain a just focus at the center of
the screen.
4. Change receiving signal to white pattern and blue
back.
5. Confirm MAGENTA RING is not noticeable. Incase
magenta ring is obvious, then adjust FOCUS VR to
balance magenta ring and FOCUS.
2-4. G2 (SCREEN) ADJUSTMENTS
1. Set the PICTURE & BRIGHTNESS to STANDARD.
2. Put the Video input mode signal.
3. Connect R,G,B of the C board cathode to
oscilloscope.
4. Adjust Brightness to obtain the cathode value to
value below.
5. Adjust G2 (screen) on the FBT until picture shows
the point before cut off.
FLYBACK TRANSFORMER  (T802-14")
FLYBACK TRANSFORMER  (T801-21")
SCREEN
FOCUS
– 12 –
KV-BM212M10/BM212P42
RM-W101
SECTION 3
CIRCUIT ADJUSTMENTS
3-1.
ADJUSTMENTS WITH COMMANDER
Service adjustments to this model can be performed using the supplied remote commander RM-W101.
a. ENTERING SERVICE MODE
With the unit on standby
This operation sequence puts the unit into service mode.
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.
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.
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.
  
t [DISPLAY] t 5 t [VOL $+% ] t [POWER]
item no.
service data
NVM
field
channel no./
category
in decimal
item name
in decimal
NG
service command
frequency
video input name
GEOM
006
HSIZ
031
x
SERVICE
60
S VIDEO 1
software
service data
reserved
power on time
release ID
version
in binary
for factory
color system
(decimal)
SUS01
0.69U
0001 1111
FF FF
NTSC3
65535
Status Byte
Status Byte
Flash DCXO
#1 SSD
#2 SSD
111 11 11 1 7 11
FG
xy 111
000000
000000
VDSP_C Flag
CO_LOCKED
VDSP
Detected Stereo Type (Direct Value from CZ_ Stereo_Mode)
S : for Sony
A : Aiwa
U S
: US/Latin/Taiwan
E U
: Europe
G A
: General Area
J P
: Japan
0 1 : serial no. of the M/P release
for each destination
111
Needed for Nicam DCXO aligment Purpose
xy
Value of x = 0 - Unknown, 1 - BTSC, 2 - A2, 3 - NICAM,
4 - KOREAN, 5 - Japan, 6 - AV Stereo
Value of y = 0 - Mono, 1 - Stereo, 2 - Bilingual, 4 - SAP/Single
1, 4
Select the adjustment item.
r
3, 6
Raise/lower the data value.
r
[MUTING]
Writes.
r
-
Executes the writing.
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