Sony KP-FX43M31 / KP-FX43M61 / KP-FX43M91 / KP-FX53M31 / KP-FX53M61 / KP-FX53M91 Service Manual ▷ View online
– 17 –
KP-FX43M31/M61/M91
KP-FX53M31/M61/M91
KP-FX53M31/M61/M91
RM-998
SECTION 3
SET-UP ADJUSTMENTS
3-1. SCREEN VOLTAGE ADJUSTMENT
(ROUGH ALIGNMENT)
1. Receive the Monoscope signal.
2. Set 50% BRIGHTNESS and minimum PICTURE.
3. Turn the red VR on the focus pack all the way to the left and
2. Set 50% BRIGHTNESS and minimum PICTURE.
3. Turn the red VR on the focus pack all the way to the left and
then gradually turn it to the right until the point where you
can see the retrace line.
can see the retrace line.
4. Next gradually turn it to the left to the position where the
retrace line disappears.
Fig. 3-1
3-2. SCREEN (G2) ADJUSTMENT
(FINE ADJUSTMENT)
1. Turn on the power of the set.
2. Select VIDEO1 mode without signal.
3. Supply DC 175 ± 0.5 V from external power supply to KR,
2. Select VIDEO1 mode without signal.
3. Supply DC 175 ± 0.5 V from external power supply to KR,
KG or KB of CR board, CG board and CB board.(Fig.3-2)
4. Adjust red, green and blue screen voltage to until retrace
line disappears with screen VR on the focus pack.
5. Confirm if retrance can be seen.
3-4. DEFLECTION YOKE TILT ADJUSTMENT
1. Receive the Monoscope signal.
2. Place the caps on the red and blue lens so that only the green
2. Place the caps on the red and blue lens so that only the green
color.
3. Loosen the deflection yoke setscrew and align the tilt of the
Deflection yoke so that the bars at the center of the
monoscope pattern are horizontal.
monoscope pattern are horizontal.
4. After aligning the deflection yoke, fasten it securely to the
funnel-shaped portion of the CRT.
5. The tilt of the deflection yoke for red and blue is aligned the
same as was done for green.
Fig. 3-6
4 Pole Magnet
Make sure deflection yoke is
touching CRT closely.
touching CRT closely.
Anode cap
2 Pole Magnet
Deflection Yoke
Holder
SCREEN
B
R
G
FOCUS
Focus Pack
B
R
G
Fig. 3-5
Lens
Fig. 3-4
Minimize both A and B.
A
B
Scanning line visible.
3-3. FOCUS ROUGH ADJUSTMENT
1. Loose the lens screw.
2. Set in the service mode.
3. Place the caps on the red and blue lens so that only the green
2. Set in the service mode.
3. Place the caps on the red and blue lens so that only the green
color is shown.
4. Press “1” or “4” button on the commander and select
“PJE”, press “6” three times on the Commander to display
the test signal (crosshatch) on the screen.
the test signal (crosshatch) on the screen.
5. Rotate the green lens and align to obtain the best lens focus
at the center area.
6. Rotate the green focus VR on the focus pack and align to
obtain the best electrical focus in the center area.
7. Perform the same alignment for red and blue lenses and elec-
tric focus.
8. Fix lens screw.
Fig. 3-3
+
–
Power
Supply
Supply
Dummy Resister
3k ohm 20W
Fig. 3-2
Test signal
– 18 –
KP-FX43M31/M61/M91
KP-FX53M31/M61/M91
KP-FX53M31/M61/M91
RM-998
3-5. 2-POLE MAGNET ADJUSTMENT
1. Receive the Dot signal.
2. Place the caps on the red and blue lens so that only the green
2. Place the caps on the red and blue lens so that only the green
color is shown.
3. Turn the green focus VR on the focus pack to the left and set
to under focus to enlarge the spot.
4. Adjust the 2-Pole Magnet so that the bright spot should be
centerd.
(center of the dot doesn't move)
(center of the dot doesn't move)
5. Align the green focus VR and set for just (precise) focus.
Fig. 3-8
3-7.
4-POLE MAGNET ADJUSTMENT
1. Receive the Dot signal.
2. Place the caps on the red and blue lens so that only the green
2. Place the caps on the red and blue lens so that only the green
color is shown.
3. Turn the green focus VR on the focus pack to the right and
set to over focus to enlarge the spot.
4. Now align the 4-Pole Magnet so that the enlarged spot be-
comes a perfect circle.
5. Perform the same alignment for red.
Fig. 3-9
3-9. GREEN, RED AND BLUE FOCUS
ADJUSTMENT
3-9-1. Green, Red and Blue Lens Focus Adjustment
1. Receive the cross hatch signal.
2. Place the caps on the red and blue lens so that only the green
2. Place the caps on the red and blue lens so that only the green
color is shown.
3. Rotate the green lens and adjust to obtain the best lens focus
at the center area.
4. Fix lens screw.
5. Repeat above process for red and blue.
6. Rotate the blue lens and adjust to obtain the best lens focus at
5. Repeat above process for red and blue.
6. Rotate the blue lens and adjust to obtain the best lens focus at
the both side area.
7. Fix blue lens screw.
3-9-2. Green and Red Dot/Hatch Electrical Focus
Adjustment
1. Receive the signal.
2. Place the caps on the red and blue lens so that only the green
2. Place the caps on the red and blue lens so that only the green
color is shown.
3. Rotate the green focus VR on the focus pack and adjust to
obtain the best electrical focus in the adjust point.
4. Repeat above process for red and blue.
Adjust Point of Blue
Use the center dot
Use the center dot
OK
NG
NG
Adjust Point of Green and Red
Fig. 3-12
3-6. CENTERRING MAGNET ADJUSTMENT
1. Receive the SPCB signal.
2. Cover the both red and blue picture lenses with the lens caps
2. Cover the both red and blue picture lenses with the lens caps
to show only the color.
3. Adjust the green centering magnet to put the center of the
SPCB signal to the center of the screen.
4. Adjust red centering magnet in the same way.
5. Adjust blue centering magnet in the same way.
5. Adjust blue centering magnet in the same way.
3-8.
DEFOCUS ADJUSTMENT (BLUE)
1. Receive the Dot signal.
2. Cover the both red and green picture lenses with the lens
2. Cover the both red and green picture lenses with the lens
caps to show only the color.
3. Turn the blue focus VR on the focus pack to the right to
make the round dot elipical.
4. Set 4 pole magnet tab angle 12°.
5. Rotate 4 pole magnet keeping Tab angle 90° make the spot
5. Rotate 4 pole magnet keeping Tab angle 90° make the spot
shape vertical ellipse.
Fig. 3-10
OK
12
°
Fix
Rotate
Fig. 3-11
– 19 –
KP-FX43M31/M61/M91
KP-FX53M31/M61/M91
KP-FX53M31/M61/M91
RM-998
3-10-1. How to Select Each Mode
50 Hz
60 Hz WIDE 60 Hz WIDE 50 Hz
(PAL) (NTSC)
(NTSC)
(PAL)
DRC1250
a
a
a
a
DRC100
a
a
a
a
TWIN
a
a
X
X
INDEX
a
a
X
X
1. Selection of Mode Between 50 Hz and 60 Hz
50 Hz
: Enter the PAL signal.
60 Hz
: Enter the NTSC signal.
WIDE 60 Hz : Enter the NTSC signal MENU WIDE ON.
WIDE 50 Hz : Enter the PAL signal MENU WIDE ON.
2. Selection of DRC Mode
1) Press “DRC-MF (blue)” button on the commander, repeat-
edly until displays the mode that you want to select on the
screen.
→
DRC1250
→
DRC100
→
PROGRESSIV
Note : The DRC-MF mode is not selectable when using the
“PROGRAM INDEX” or “TWIN” mode is turned “ON”.
3. Selection of WIDE mode
1) Press “MENU” button on the commander and move “
” up
or down to enter the “FEATURE”
b “WIDE MODE”.
2) Move “
” up or down to select “ON” or “OFF”, and push
“
(ENTER)” button.
3) Press “MENU” button to return to normal screen.
4. Selection of TWIN mode
1) Press “
(TWIN)” button on the commander.
2) Press “
(TWIN)” button again to return to normal screen.
5. Selection of INDEX mode
1) Press “PROGR INDEX” button on the commander.
2) Press “PROGR INDEX” button again to return to normal
screen.
3-10-2. How to Enter Service Mode
1. Turn on the main power switch to place this set in standby
mode. (LED will light in red.)
2. Press the buttons on the commander as follows, and enter ser-
vice mode.
3-10. ADJUSTMENTS WITH COMMANDER
Service adjustment to this model can performed with the supplied
remote commander RM-998
TV
VIDEO
DRC-MF
HD/DVD
1
2
3
4
5
6
7
8
0
9
JUMP
PROG
OPTION
RESET
A/B
PROG
INDEX
MENU
TW
IN
PRO
G+
TW
IN
PRO
G–
Copy PAL data
to NTSC
to NTSC
blue
Adjustment item
up
up
Adjustment item
down
User control goes
to the standard state
down
User control goes
to the standard state
Write data to NVM
Read data from
NVM
NVM
Change
the PICTUER MODE
the PICTUER MODE
Initialize data
(Not stored)
(Not stored)
Data down
Data up
Copy data to all
mode
mode
Up : Category up
Down : Category down
Push : Enter
Down : Category down
Push : Enter
Enter the
“Service mode”
5
(DIGIT 5)
(VOLUME +)
ON SCREEN
DISPLAY
( )
TV
STANDBY
( )
– 20 –
KP-FX43M31/M61/M91
KP-FX53M31/M61/M91
KP-FX53M31/M61/M91
RM-998
3-10-3. Method of Cancellation from Service
Mode
1. Set the standby mode (Press “
(TV STANDBY)” button on
the commander), then press “
(TV
STANDBY)” button again, hereupon it becomes TV mode.
3-10-4. How to Adjustments
1. Set in the service mode, the following screen will appear.
2. Press “1” or “4” button on the commander to select the ad-
justment item.
3. Press “3” or “6” button on the commander to change the
adjustment data.
4. Move “
” up or down to select the adjustment category.
When move “
” up (category up), service mode changes in
the order as shown below.
3-10-5. How to Write the Data
1. Set in the service mode.
2. Press “1” or “4” button on the commander, select the ad-
justment item, and press “3” or “6” button to change the
data.
3. Press “
(MUTE)” button on the commander and it will indi-
cate “WRITE” on the screen.
4. Press “-” button on the commander to write into memory.
(The “WRITE” display will be changed to red color while
executing, and back to “SERVICE”.)
Commander Function (Except PJE mode)
Button
Mode
Description
+
-
WRITE
Writes data to NVM.
7
+
-
READ
Reads data from NVM.
8
+
-
NORMAL
All user control goes to the standard.
5
+
-
INITIAL
Service data initialization.
Not stored.
(Be sure not to use usually)
2
+
-
COPY
Do not operate with a remote
commander.
+
-
WRT5060
(The data vary with among mode.)
Note : Before changing to other modes, press “
(MUTE)” +
“-” buttons on the commander to write the data.
(Omission of this operation causes the data to be returned
to the data before adjustment.)
: Confirm the adjustment mode before writing data for data
values because to vary in each adjustment mode.
: The adjustment item that there are no relations in the ad-
justment is not to change data values because all items are
written in each adjustment mode.
3-10-6. Memory Write Confirmation Method
1. After adjustment, turn off the AC main power switch off.
2. Turn the power switch ON and set in service mode.
3. Call the adjustment items again to confirm adjustments were
made.
GE1 00
VPS
1C
SERVICE
50
0 006Q
2.9M
00
00
01B7
Category Name
Item Name
Mode
Item No.
Suffix No.
Total Power On time
(Hours)
(Hours)
Software
Version
Data
50 : PAL, SECAM
60 : NTSC
60 : NTSC
GE1
GE2
GE3
GE4
DCN
LDG
JGL
YCT
AP
MD1
LTI
MSP
TXT
*
: When it moves from PJE to other categrys,
repeat
1
or
4
button and press it.
2CM
MD7
MD6
MD5
MD4
WHB
SAJ
SYC
SYN
MD2
MD3
3NR
3CM
PJE
*
WID
OSD
OPM
OPB
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