Ntsc Video Input (Main Picture); Ntsc Rf Input (Main Picture) - Sony KP-FX432M31 Service Manual

5-1-2. NTSC Video Input (Main Picture)

1. Enter the NTSC video 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 00
01
05
MCP 02
03
04
Adjusting Parameter :
CCPM 01 YLEV
VR1
VR1 – VR2 = 1.60 ± 0.02 Vp-p
(ii) SUB HUE/SUB COL
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
VR2
GND
Item Data
COL 56
HUOF 3
RON 0
GON 0
BON 1
VB4
KP-FX432M31/FX432M91/FX532M91

5-1-3. NTSC RF Input (Main Picture)

1. Enter the NTSC RF color bar (White & color 75%) signal.
(i) SUB CONTRAST
Condition :
Category
PIC
MCP
Adjusting Parameter :
CCPM 01 YLEV
VR1
VR1 – VR2 = 1.60 ± 0.02 Vp-p
(ii) SUB HUE/SUB COL
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.
1 Change COLR 01 HUOF data from "3" to"2".
Repeat (ii).
If "Sub HUE" can adjust, write "2" as HUOF data for
each picture modes. (Dynamic, Standard, Hi-fine and
Personal)
– 76 –
RM-998 RM-998
Item Data
00 PIC 100
01 COL 0
05 PIOF 0
02 RON 0
03 GON 1
04 BON 0
VR2
GND
Item Data
01 COL 56
01 HUOF 3
02 RON 0
03 GON 0
04 BON 1
VB4
VB3
VB2
RM-998