Ntsc Rf Input (Sub Picture); Pal Video Input (Mainpicture) - Sony KP-FWS57M90 Service Manual

KP-FWS57M90
RM-1007

5-1-5. NTSC RF Input (Sub Picture)

1. Enter the NTSC RF color bar (White & color 75%) signal.
(i) SUB CONTRAST
Condition :
Category Item
PIC 00 PIC
01 COL
05 PIOF
MID2 02 BCOL
MCP 02 RON
03 GON
04 BON
15 ABLT
Adjusting Parameter :
YCTS 02 SCON
Main
VG1
VG1 – VG2 = 1.60 ± 0.03 Vp-p
(ii) SUB COL/SUB HUE (Sub Picture)
Condition :
Category Item
PIC 01 COL
COLR 01 HUOF
MCP 02 RON
03 GON
04 BON
Adjusting Parameter :
RIGHT : YCTS
YCTS
Main
VB1 = VB4 ± 70 mV
VB2 = VB3 ± 70 mV
Data
100
0
0
0 (TWIN 5-->0)
0
1
0
0 (TWIN 5-->0)
Sub
VG2
GND
Data
56
3
0
0
1
03 SCOL
04 SHUE
Sub
VB4
VB1 VB3
VB2

5-1-6. PAL Video Input (MainPicture)

1. Enter the PAL video color bar (White & color 75%) signal to
VIDEO 2.
(i) SUB CONTRAST
Condition :
Category
PIC
MCP
Adjusting Parameter :
CCPM 01 YLEV
VG1
VG1 – VG2 = 1.60 ± 0.02 Vp-p
(ii) SUB COL (Main Picture)
Condition :
Category
PIC
COLR
MCP
Adjusting Parameter :
CCPM 02 CLEV
VB1
– 82 –
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 54
01 HUOF 3
02 RON 0
03 GON 0
04 BON 1
VB4
VB3
VB2
VB1 = VB4 ± 20 mV