Lcd Projecter Engine; Sub Colour Adjustment - Sony KF-50SX100 Service Manual

KF-50SX100/50SX100K/50SX100U
RM-903
3-2. LCD PROJECTOR ENGINE
3-2-1. Operation Method for Projector Engine Mode
MUTE
Write data to NVM
TV MODE
Copy data to all
mode
Adjustment item
up
Adjustment item
down
Read data from
NVM
JOYSTICK
VOLUME +
MENU
1. Functions of Keys on Commander
• 1
: Changes adjustment item. (item No. moves up)
• 4
: Changes adjustment item.
(item No. moves down)
• 3
: Changes data value. (up)
• 6
: Changes data value. (down)
• 2
: Changes adjustment device. (up)
• 5
: Changes adjustment device. (down)
• (MUTE)+- : Writes data to NVM.
• 7+-
: Reads data from NVM.
• 8+-
: Initialize NVM data.
RM-903 RM-903
TV STANDBY
VIDEO TV
ON SCREEN
DISPLAY
Copy PAL data
to NTSC
1 2 3
4 5 6
Color change
7 8 9
0
Internal test signal
Mode select
OK
PROGR
SCREEN
MENU
FORMAT
4:3/16:9
RM 903
SONY
TV
RM-903
2. How to Enter Projector Engine Mode
1) "Projector Engine".
2) Press "1" or "4" button on the commander to select the item,
and press "3" or "6" on the commander to change the data.
Category
D 9 5 1 2 T G
I N V C T L
T E M P 2 8 D E G
L C D P J E N G I N
Adjustment Item
3) Before returning to the Service menu, press "
+"-" buttons on the commander to write the data.
(Omission of this operation causes the set data to be returned to
the data before adjustment)
4) Press "MENU" button on the commander to return to the
Service menu.

3-3. SUB COLOUR ADJUSTMENT

1. Input the colour bar (100% white) signal to AV4 and select
AV4.
2. Setting
MCP 4 Colour
MCP 8 D-Col
MCP 26 Gamma
MCP 33 DC Tran
MCP 34 DPIC-Level
Initialising b Feature setting
6 Pict Boost Bypass ON
3. Connect an oscilloscope to pin 1 of CN702 on BB board.
4. Adjust by changing data of "MCP 19 Sub-Colour" as shown
in the figure.
5. Write the data into memory.
Before adjustment
After adjustment
– 42 –
Item Number
Data
0 0 G
E V E R . 3 0 3
9 / 7
C A B O
23
OFF
0
0
0
Fig. 3-1
(MUTE)"