DOWNLOAD Sony KP-FWS57M31 / KP-FWS57M91 Service Manual ↓ Size: 14.21 MB | Pages: 127 in PDF or view online for FREE

Model
KP-FWS57M31 KP-FWS57M91
Pages
127
Size
14.21 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kp-fws57m31-kp-fws57m91.pdf
Date

Sony KP-FWS57M31 / KP-FWS57M91 Service Manual ▷ View online

– 17 –
KP-FWS57M31/FWS57M91
RM-1007
3-6. BLUE DEFOCUS ADJUSTMENT
1. Receive 1080i/50Hz dot signal from HD/DVD 1 terminal.
2. Set  “Hi Fine” and PICTURE 100%, other 50% and white
balance “COOL” (VM OFF).
3. Blue 4 pole : make round in the center of screen.
4. Confirm that center dot focus is adjusted in focus (Fig.3-12a).
5. Adjust blue electrical focus to make the left side spot nearly
round by minimizing width and height (Slight overfocus is
OK) (Fig.3-12b).
6. Confirm that the green to blue spot size is within spec.
Blue center dot height shall be 
≤1.2 times the green dot heght.
7. Return making condition data to orignal data.
3-7. GREEN, RED AND  BLUE FOCUS
ADJUSTMENT
3-7-1. Green, Red and Blue lens focus
adjustment
1. Input a cross hatch signal into VIDEO 1 (composite video
input).
2. Place a lens cover over red and blue lenses and project only
green.
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.
3-7-2. Green and Red electrical focus adjustment
1. Input a cross-hatch signal into VIDEO 1.
2. Project only Green.
3. Rotate the green focus volume on the focus pack and adjust to
obtain the best focus at the center screen.
4. Repeat above process for red.
3-5. 2-POLE and 4-POLE MAGNET ADJUST-
MENT
3-5-1. Adjustment of 2-pole magnets
1. Receive the Dot signal (1080i/50Hz) from HD/DVD 1 termi-
nal.
2. Place the caps on the red and blue lens so that only the green
color is shown.
3. Turn the green focus volume of focus pack counter-clock-
wise, so that diameter of the dot become large.
4. Adjust the 2-pole magnet,  counter-clockwise and clockwise
center of the dot doesn't move (Use focus volume).
5. Center position is changed by 2-pole magnet adjustment.
So, center magnet adjustment and 2-pole magnet adjustment
are needed tracking adjustment.
6. Repeat same adjustment method for red and blue.
3-5-2. Green, Red, Blue adjustment of 4-pole
magnets
1. Turn Grenn focus volume of focus pack clockwise.
2. By using 4 pole magnets make the spot size round.
3. Repeat for red and blue.
4. Turn focus pack counter-clockwise and “Just Focus” red,
green and blue.
3-5-3. Blue left side dot adjustment of 2-pole
Magnets
1. Turn blue focus volume of focus pack counter-clockwise, so
that diameter of the dot becomes large, and can see bright
core position.
2. Pay attentio to left side dot of the screen (Fig.3-10).
3. Adjustment 2 pole magnet, so that bright core position of dot
become center position of dot (Fig.3-11).
Use the center dot
NG
OK
Left-end dot
   (BLUE)
Right-end dot
   (BLUE)
Fig. 3-7
Fig. 3-8
Fig. 3-12a
Fig. 3-12b
Blue 2 Defocus
Adjustment Position
OK
Fig. 3-13
Adjust Point center 
Fig. 3-14
Adjust Point 
Fig. 3-9
OK
NG
NG
Use the center dot
Bright Core 
Fig. 3-10
Blue 2 Pole magnet
Adjustment Position
Fig. 3-11
– 18 –
KP-FWS57M31/FWS57M91
RM-1007
3-8-1. How to Select Each Mode
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.
3-8-2. 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. After entering service mode, reset current aadjustment data.
Then turn off the power switch.
4. Turn on the main power switch and enter mode again as step 2
above.
TV
MEMO
RY STICK
CENTER SP
VIDEO
DRC-MF
HD/DVD
1
2
3
4
5
6
7
8
0
9
JUMP
PROG
OPTION
RESET
A/B
PROG
INDEX
MENU
V CENTER
PALETTE
TW
IN
PRO
G+
TW
IN
PRO
G–
Copy PAL data
to NTSC
blue
Adjustment item
up
Adjustment item
down
User control goes 
to the standard state
Write data to NVM
Read data from
NVM     
Change 
the PICTUER MODE
Initialize data
(Not stored)
Data down
Data up
Copy data to all
mode
Up : Category up
Down : Category down
Push : Enter
Enter the
“Service mode”
5
(DIGIT 5)
(VOLUME +)
ON SCREEN
DISPLAY
(         )
TV 
STANDBY
(       )
Enter the
“Reset”
8
(DIGIT 8)
(ENTER)
RM-1007
3-8. ADJUSTMENTS WITH COMMANDER
Service adjustment to this model can performed with the supplied
remote commander RM-1007.
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
– 19 –
KP-FWS57M31/FWS57M91
RM-1007
PIC
SOU
DRCV
LUMA
YCTM
YCTS
YCTC
MCP
MID1
VSW
MID3
MID2
PFOP
* : When it moves from PJE to other categrys, 
repeat 1 or 4 button and press it. 
PFID
AP
GRN
PJE*
DDEV
COLR
CLTY
DEF1
DEF2
CRNR
RNR
MSMO
3CM
POWR
GUID
MIDE
CCPM
COMB
DEF3
DEF4
DEF5
BNR
SNNR
AWID
OSDP
ASEL
VSEL
OPM
OPB
SRV
OSD
MSP
TEXT
3-8-5. How to Write the Data
1. Set in the service mode.
2. Press “1” or “1” 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”.).
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.
3-8-6. 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.
3-8-3. 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.
3-8-4. 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.
OSD 0 OSV
32
SERVICE       60 480IL
000Q 3.1M 0010 0000 20 00 00 0000
Category Name Item Name
Mode
Item No.
Suffix No.
Total Power On time
(Hours)
Software
Version
Data
50 : PAL, SECAM
60 : NTSC
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.)
Commander Function (Except PJE mode)
 20 
KP-FWS57M31/FWS57M91
RM-1007
3-9. SERVICE LIST
Category
Item
Function
Standard Data
Device Name
No.
Name
(Slave Address)
OSD
0
OSV
OSD V Position
32
CXP961F064(60H)
1
OSH
OSD H Position
13
2
FW1
OSD ODD/EVEN Field Window Setup #1
7
3
FW2
OSD ODD/EVEN Field Window Setup #2
20
4
VOF
OSD V Position (Offset)
*1
OSD: Standard Data *1
Item
Standard Data
No.
Name
OSD V OFFSET
INDEX60
FAVORITE50
FAVORITE60
TWIN50
TWIN60
HD50
HD60
MS
VCOMP
VCOMP60
VCOMP100
VCOMP120
4
VOF
32
32
32
32
32
32
32
32
32
32
32
32
OSD: Standard Data *1
Item
Standard Data
No.
Name
OSD V OFFSET
FULL51
FULL61
FULL101
FULL120
WDZM50
WDZM60
WDZM100
WDZM120
ZOOM50
ZOOM60
ZOOM100
ZOOM120
INDEX50
4
VOF
32
32
16
16
32
32
16
16
32
32
16
16
32
Note
  : The data value of each mode. Other are set up by each mode.
  : Shaded items are fixed data.
  : Though data value is indicated on the screen, it is not used.
• Standard data listed on the Adjustment Item Table are reference valies, therefore it may be different for each model and each mode.
• Note for Different Data :
Those are the standard data values written on the microprocessor. Therefore , the data values of the modes and stored respectively in the memory.
In case of a device replacement, adjustment by rewriting the data value is necessary for some items.
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