Sony PFM-32C1, Service Manual

Page: 19 / 100

2-3
PFM-32C1/32C1E
2. Chroma Decoder
Menu structure
Hue and color of the video signal are adjusted.
a) Hue
To adjust NTSC signal hue, adjust “Hue (NTSC)” in
the lower layer below this sub menu.
To adjust NTSC4.43 signal hue, adjust “Hue (NT443)”
in the lower layer below this sub menu.
Adjustment range is from 0 to 63.
b) Sub Contrast
Adjustment range is from 0 to 63.
Fixed value : 8
c) Sub Color
Adjust “Col (NTSC)”, “Col (PAL)” and “Col (SE-
CAM)” for the respective signals of NTSC, PAL and
SECAM.
Adjustment range is from 0 to 15.
Fixed value for Col (NTSC) only : 6
d) Sharp Gain
Adjustment range is from 0 to 15.
Fixed value : 8
e) Sharp f0
Adjustment range is from 0 to 3.
Fixed value : 3
f) Y Out Level
Adjustment range is from 0 to 63.
Fixed value : 18
g) C Out Level
Receive the NTSC signal and adjust color. The color
adjustment of PAL and SECAM signals are performed
upon completion of the NTSC signal adjustment, and
use step c) Sub Color.
Adjustment range is from 0 to 63.
Service Mode
Chroma Decoder
Hue
Sub Contrast
: 8
Sub Color
Sharp Gain
: 8
Sharp f0 : 3
Y Out Level : 18
C Out Level : 10
Y Delay
Cb Offset
: 8
Cr Offset : 8
By Adj (SECAM) : 8
Ry Adj (SECAM) : 8
h) Y Delay
Y delay for the respective signals can be adjusted by
“YDL (NTSC)”, “YDL (PAL)”, “YDL (SECAM),
“YDL (NT443)”, “YDL (PALM)” and “YDL
(PALN)” respectively.
Adjustment range is from 0 to 15.
Fixed value : 5
i) Cb Offset
Adjustment range is from 0 to 15.
Fixed value : 8
j) Cr Offset
Adjustment range is from 0 to 15.
Fixed value : 8
k) By Adj (SECAM)
The blue offset when receiving the SECAM signal is
adjusted.
Adjustment range is from 0 to 15.
l) Ry Adj (SECAM)
The red offset when receiving the SECAM signal is
adjusted.
Adjustment range is from 0 to 15.
Sub Color and Sub Hue Adjustments
Refer to section “2-5. Sub Color and Sub Hue Adjust-
ment”.
Video Decoder Adjustment
Refer to section “2-6. Video Decoder Adjustment”.