Sony KP-FX432M31, Service Manual

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KP-FX432M31/FX432M91/FX532M91
RM-998 RM-998 RM-998
5-1-3. NTSC RF Input (Main Picture)
1. Enter the NTSC RF color bar (White & color 75%) signal.
(i) SUB CONTRAST
Condition :
Adjusting Parameter :
CCPM 01 YLEV
(ii) SUB HUE/SUB COL
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.
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)
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 “ (MUTE)” + “
-
” button
to write the data to the NVM.
(i) SUB CONTRAST
Condition :
Adjusting Parameter :
CCPM 01 YLEV
(ii) SUB HUE/SUB COL
Condition :
Adjusting Parameter :
CCPM 02 CLEV
CCPM 03 SHUE
GND
VR2
VR1
VR1 – VR2 = 1.60
±
0.02 Vp-p
VB3
VB4
VB1
VB2
VB1 = VB4
±
20 mV
VB2 = VB3
±
40 mV
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
GND
VR2
VR1
VR1 – VR2 = 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