Ntsc Video Input; Ntsc Rf Input - Sony KP-FX43M90A Service Manual

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 "
to write the data to the NVM.
(i) SUB CONTRAST
Condition :
Category
PIC 00
01
05
MCP 02
03
04
Adjusting Parameter :
CCPM 01 YLEV
VG1
VG1 – VG2 = 1.60 ± 0.02 Vp-p
(ii) SUB COL/SUB HUE (Main Picture)
Condition :
Category
PIC 01
COLR 01
MCP 02
03
04
Adjusting Parameter :
CCPM 02 CLEV
CCPM 03 SHUE
VB1 VB3
VB2
VB1 = VB4 ± 20 mV
VB2 = VB3 ± 40 mV
(MUTE)" + "-" button
Item Data
PIC 100
COL 0
PIOF 0
RON 0
GON 1
BON 0
VG2
GND
Item Data
COL 56
HUOF 3
RON 0
GON 0
BON 1
VB4

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 "
to write the data to the NVM.
(i) SUB CONTRAST
Condition :
Category
PIC
MCP
Adjusting Parameter :
CCPM 01 YLEV
VG1
VG1 – VG2 = 1.60 ± 0.02 Vp-p
(ii) SUB COL/SUB HUE (Main Picture)
Condition :
Category
PIC
COLR
MCP
Adjusting Parameter :
CCPM 02 CLEV
CCPM 03 SHUE
VB1
VB1 = VB4 ± 20 mV
VB2 = VB3 ± 40 mV
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.
– 61 –
KP-FX43M90A
(MUTE)" + "-" button
Item Data
00 PIC 100
01 COL 0
05 PIOF 0
02 RON 0
03 GON 1
04 BON 0
VG2
GND
Item Data
01 COL 56
01 HUOF 3
02 RON 0
03 GON 0
04 BON 1
VB4
VB3
VB2
RM-1014