Sony KP-FR43M31, Service Manual

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KP-FR43M31/FR43M91
RM-GA001
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 “ % (MUTING)” + “
-
”
button to write the data to the NVM.
(i) SUB CONTRAST
Condition :
Category Item Data
PIC 00 PIC 100
01 COL 0
05 PIOF 0
MCP 02 RON 0
03 GON 1
04 BON 0
Adjusting Parameter:
CCPM 01 YLEV
(ii) SUB HUE/SUB COL
Condition:
Category Item Data
PIC 01 COL 56
COLR 01 HUOF 3
MCP 02 RON 0
03 GON 0
04 BON 1
Adjusting Parameter:
CCPM 02 CLEV
CCPM 03 SHUE
5-1-3. NTSC RF Input (Main Picture)
1. Enter the NTSC RF color bar (White & color 75%)
signal.
(i) SUB CONTRAST
Condition :
Category Item Data
PIC 00 PIC 100
01 COL 0
05 PIOF 0
MCP 02 RON 0
03 GON 1
04 BON 0
Adjusting Parameter:
CCPM 01 YLEV
(ii) SUB HUE/SUB COL
Condition:
Category Item Data
PIC 01 COL 56
COLR 01 HUOF 3
MCP 02 RON 0
03 GON 0
04 BON 1
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 (VIVID, Standard, Custom).
If “Sub HUE” cannot 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. (VIVID, Standard, Custom)
Black Level
White Level
VG1 – VG2 = f VG = 1.60 ± 0.02 Vp-p
GND
VG2
VG1
VB3
VB4
VB1
VB2
VB1 = VB4 ± 20 mV
VB2 = VB3 ± 40 mV
Black Level
White Level
VG1 – VG2 = f VG = 1.60 ± 0.02 Vp-p
GND
VG2
VG1
VB3
VB4
VB1
VB2
VB1 = VB4 ± 20 mV
VB2 = VB3 ± 40 mV