No. 51961
TM-H1950CG
32
DEFLECTION CIRCUIT ADJUSTMENT
The re ar e 2 kin d of adjust ment f or th e DE FLECTION circuit, P AL an d NTSC. Th e adju stm ent usin g P AL sig na l is as th e s tan dard of all
DEFLECTIO N ad ju stment . Th e “ #” mark in th e t able given be low expr esses the nu mber of eac h ad justme nt ite m. Th e screen asp ect ra tio 4 : 3
at 50Hz ( P AL) is reg arde d as th e ref er ence value for all ad ju stment s. Th e o th er valu es o bta ined in the ad justmen ts usin g oth er sign als
b ecome t he off set value s as op pos ed to t he r efe rence value s.
Therefore, the adjustments must always be carried out in order of PAL and NT SC. W hen it do es n ot ad just in this t urn, and whe n
op erat ion wh ich is dif fer ent b y the m iddle is carried out , it is n ece ssary t o rea djust from th e b egin ning.
MODE
ASPECT RATIO SCAN SIZE VERTICAL FREQUENCY
DI SPLAY
50 Hz( P AL)
D0＃
＃＃
＃
4:3 NORMAL SCAN
60 Hz(NT SC)
DA
＃
＃＃
＃
50 Hz( P AL)
DB＃
＃＃
＃
16:9 NORMAL SCAN
60 Hz(NT SC)
DC
＃
＃＃
＃
50 Hz( P AL)
DD＃
＃＃
＃
4: 3 U ND ER S C AN
60 Hz(NTSC)
DE
＃
＃＃
＃
50 Hz( P AL)
DF ＃
＃＃
＃
16:9 UNDER SCAN
60 Hz(NTSC)
DG ＃
＃＃
＃
[Adjustm ent using the 50Hz signal input]
Item Test equipment Test points
Ad ju st men t
locations
Ad justment procedure
4:3
H. C e nter
H. S iz e
Ad ju st men t
Signal generator
(Crosshatch pattern)
D01 (H.CENTER)
D02 (H. S IZE )
[SERVICE MENU]
1. Inp ut a cr ossh atch p att ern sign al.
2. Select DEFLECTION BLO CK mode from <BLOCK
SE LECT> screen .
3. Se le ct D0 1 ite m.
4. Ad ju st D0 1 t o alig n th e pictu re ce nter with th e CRT
center.
5. Adjust D02 to set horizont al size to 95%.
6. Repeat ab ove ste p 4 an d 5 to a djust c orrec tly.
4:3
Side
pincushion
Ad ju st men t
Signal generator
(Crosshatch pattern)
D07
E-W PARABORA
D08
(E-W CORNER)
[SERVICE MENU]
7. Conf irm th e side p incu shion of th e f our corn ers in
th e scre en.
8. If not op tim um, adjus t the D0 7 and D0 8 t o bec ome
correctly.
95 % 95 %
10 0%
SCREEN SIZE
SCREEN SIZESCREEN SIZE
SCREEN SIZE
PICTURE SIZE
PICTURE SIZEPICTURE SIZE
PICTURE SIZE
10 0%
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