AV-21L81B
AV-25L81B
VC (VIDEO/CHROMA) CIRCUIT ADJUSTMENT
The setting (adjustment) using the remote control unit is made on the basis of the initial setting values.
The setting values which adjust the screen to the optimum condition can be different from the initial setting values.
Y Do not change the initial setting values of the setting (adjustment) items not listed in OADJUSTMENT�.
[SUB MENU 2. VC]: Do not adjust.
Initial setting value
Setting (Adjustment)
Variable rangeRemark
itemPALSECAMNTSC3.58NTSC4.43COMPONENT
1CUTOFF (R/G)-7 � +80
2DRIVE (R/G/B)-30 � +310
BRIGHT
3-30 � +310/-18/0/0/0
(COM./TV/V-1/V-2/V-3)
4CONT-30 � +31-20N
-5-3-12-2+10AV-21L81B-VT
5COLOUR-30 � +31
-5-3-12-6+10AV-25L81B-VT
6TINT (TV/VIDEO)-30 � +31NN-15/+4+1/+1N
7SHARP (TV/VIDEO)-30 � +31-16/-2N/0
8YDELAY (TV/VIDEO)-8 � +70/+1+5/+10/+1+5/0N
Measuring
ItemTest pointAdjustment partDescription
instrument
AdjustmentSignal1.CUTOFF (R)Note:
of WHITEgeneratorCUTOFF (G)Y Set PICTURE MODE (VSM) to OBRIGHT�.
BALANCE
(Low light)RemoteSCREEN VR
control unit[In HVT]1. Receive a PAL black and white signal (colour off).
2. Select 2. VC from the SERVICE MENU.
3. Select 1. CUTOFF (R) and (G) with MENU &/^ key, and set each
value to initial setting value with the 4 and 7 keys, or 5 and 8 keys on
the remote control unit.
V/CPAL
4. Press the 1 key on the remote control unit to produce a single hori-
1. CUTOFF(R)
**
(G)zontal line.
**
5. Turn the SCREEN VR fully counterclockwise, then slowly turn it clock-
50 Hz
wise to where a red, blue or green colour is faintly visible.
MENU 89: SELECT6. Use the keys 4 and 7 or 5 and 8 on the remote control unit and
MENU -/+: OPERATE DISPLAY : EXITadjust the other 2 colours to where the single horizontal line ap-
pears white.
7. Turn the SCREEN VR to where the single horizontal line glows faintly.
8. Press the 2 key to return to 1. CUTOFF screen.
9. Press the DISPLAY key twice to return to the normal screen.
REMOTE CONTROL UNIT
H.LINE OFFSetting (Adjustment)VariableInitial setting
123Itemrangevalue
H.LINE ONR�7 N +80
1. CUT OFF
G. CUTOFF (8)
456G�7 N +80
R. CUTOFF (8)
789
R. CUTOFF (9)
G.CUTOFF (9)
No. 5190319 |