Chassis Picture Quality Adjustment; Sub Color/Sub Hue Adjustment - Sony KF-50XBR800 Service Manual

Lcd projection tv
Hide thumbs Also See for KF-50XBR800:
Table of Contents

Advertisement

3-2. CHASSIS PICTURE QUALITY ADJUSTMENT

3-2-1. Sub Color/Sub Hue Adjustment

1. Preparation
1) Before adjustment, set the following adjustment conditions in
each mode.
Note: After the adjustment in 3-2-2. Sub Color/Sub Hue Adjustment, restore
original data in each mode.
Adjustment conditions
PICTURE MODE: Vivid
Category
Item
Data
MCP-ADJ1
2
GDRV
50
3
GCUT
40
VID ADJ
1
GAM
0
2
DCTN
0
3
DPIC
0
USER STD
2
UCOL
31
3
UHUE
31
9
UCOF
31
10
UHOF
31
2) Connect an oscilloscope to the CN702 pin 1 (TP744) on the
BB board.
2. RF Input Adjustment
1) Enter the RF color bar (75%) signal.
2) Set the adjustment conditions in 1. Preparation, and further set
the following data.
Adjustment conditions
Category
Item
Data
P-BOOST1
0
BSET
0
2103-1
22
ATPD
0
23
DCTR
0
2103-2
22
ATPD
0
23
DCTR
0
3) Press the [TWIN] button on the remote commander to display
color bar on the left and right two screens.
4) Measure the waveform, and repeat the SCOL and SHUE ad-
justments so that VB1 = VB4, and VB2 = VB3.
Adjustment positions
Category
tem
Left screen
2103-1
3
SCOL
4
SHUE
Right screen
2103-2
3
SCOL
4
SHUE
KF-50XBR800/60XBR800
K
RM-Y912
RM-Y912
VB4
VB1 VB2 VB3
GND
5) After the adjustment finished, return the data set in 2) to origi-
nal values, and write the data by pressing the [MUTE] + [EN-
TER] buttons on the remote commander.
3. Video Input Adjustment
1) Enter the Video color bar (100%) signal.
2) Set the adjustment conditions in 1. Preparation, and further set
the following data.
Adjustment conditions
Category
Item
Data
P-BOOST1
0
BSET
0
2103-1
22
ATPD
0
23
DCTR
0
2103-2
22
ATPD
0
23
DCTR
0
3) Press the [TWIN] button on the remote commander to display
color bar on the left and right two screens.
4) Measure the waveform, and repeat the SCOL and SHUE ad-
justments so that VB1 = VB4, and VB2 = VB3.
Adjustment positions
Category
tem
Left screen
2103-1
3
SCOL
4
SHUE
Right screen
2103-2
3
SCOL
4
SHUE
VB4
VB1 VB2 VB3
GND
5) After the adjustment finished, return the data set in 2) to origi-
nal values, and write the data by pressing the [MUTE] + [EN-
TER] buttons on the remote commander.
Page 65

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

Kf-60xbr800

Table of Contents