Sony KP-FX43M90A, Service Manual

Page: 62 / 141

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KP-FX43M90A
RM-1014
5-1-3. NTSC RF Input
1. Input the NTSC RF color bar (White & color 75%) signal.
2. Enter the service mode, and set respective items as follows.
3. Measure waveform, and each item is adjusted to become the
following figure.
4. After adjustment finished, press “ (MUTE)” + “
-
” button
to write the data to the NVM.
(i) SUB CONTRAST
Condition :
Adjusting Parameter :
CCPM 01 YLEV
(ii) SUB COL/SUB HUE (Main Picture)
Condition :
Adjusting Parameter :
CCPM 02 CLEV
CCPM 03 SHUE
Note : If “SUB HUE” can adjust at (ii), write “3” as HUOF data
for each picture modes (Dynamic, Standard, Hi-fine and
Personal).
If “SUB HUE” can not adjust at (ii), change HUOF data
then repeat (ii) and change HUOF data as shown below.
VB3
VB4
VB1
VB2
VB1 = VB4
±
20 mV
VB2 = VB3
±
40 mV
GND
VG2
VG1
VG1 – VG2 = 1.60
±
0.02 Vp-p
5-1-2. NTSC Video Input
1. Input the NTSC video color bar (White & color 75%) signal
to VIDEO 1.
2. Enter the service mode, and set respective items as follows.
3. Measure waveform, and each item is adjusted to become the
following figure.
4. After adjustment finished, press “ (MUTE)” + “
-
” button
to write the data to the NVM.
(i) SUB CONTRAST
Condition :
Adjusting Parameter :
CCPM 01 YLEV
(ii) SUB COL/SUB HUE (Main Picture)
Condition :
Adjusting Parameter :
CCPM 02 CLEV
CCPM 03 SHUE
GND
VG2
VG1
VG1 – VG2 = 1.60
±
0.02 Vp-p
Category Item Data
PIC 00 PIC 100
01 COL 0
05 PIOF 0
MCP 02 RON 0
03 GON 1
04 BON 0
Category Item Data
PIC 01 COL 56
COLR 01 HUOF 3
MCP 02 RON 0
03 GON 0
04 BON 1
Category Item Data
PIC 00 PIC 100
01 COL 0
05 PIOF 0
MCP 02 RON 0
03 GON 1
04 BON 0
Category Item Data
PIC 01 COL 56
COLR 01 HUOF 3
MCP 02 RON 0
03 GON 0
04 BON 1
VB3
VB4
VB1
VB2
VB1 = VB4
±
20 mV
VB2 = VB3
±
40 mV