Pal Rf Input (Sub Picture) - Sony KP-FWS57M90 Service Manual

KP-FWS57M90
RM-1007

5-1-9. PAL RF Input (Sub Picture)

1. Enter the PAL 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 :
RIGHT : YCTS
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)
02 SCON
Sub
VG2
GND
Data
54
3
0
0
1
03 SCOL
04 SHUE
Sub
VB4
VB1 VB3
VB2
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