Service manual

21G-FX10L(A)
5 – 7
HORIZ ONTAL, VERTICAL, DE FLECTION LOOP ADJUSTMENT
NO
ADJUSTMENT POINT
ADJUSTMENT CONDITION / PROCEDURE WAVEFORM OR OT HERS
1 V-SHI FT (1) Receive US4 CH LION HEAD Signal (NTSC 60 Hz). Figure A B
(I2C BUS CONTROL)
(2) Choose the service data
V07
.
(3) Adjust
V07
to align the center of the screen to the geometric center of CRT.
Note: B l ine (M onoscope middle line) must same or nearest higher position
to the A mark (Tube m iddle mark), refer to the attach drawing.
OK OK NG
2 V-SIZE (1) Receive US4 CH LION HEAD Signal (NTSC 60 Hz).
(I2C BUS CONTROL)
(2) Choose the service data
V10
.
(to be done after
(3) Adjust
V10
bus data until the overscan become
10 ± 2.5 %.
V-shift a dj)
Caution 1: Pls aging TV more than 10 minutes before adjustment
3 V-LINEARITY ( 1) Receive US4 CH LION HEAD Signal (NTSC 60 Hz).
(I2C BUS CONTROL)
(2) Choose the service data
V29
.
(3) Already preset. (Adjust this unless the linearity is achieved.)
4 VS CORR ECT ION (1) Receive US4 CH LION HEAD Signal (NTSC 60 Hz).
(I2C BUS CONTROL)
(2) Choose the service data
V27
.
(3) Already preset. (Adjust this unless the linearity is achieved.)
5 H-SHIFT (1) Receive US4 CH LION HEAD Signal (NTSC 60 Hz).
(I2C BUS CONTROL)
(2) Choose the service data
V08
.
(3) Adjust the
V08
bus data to have a balance position to spec of
A=B
(as attach drawing). A
B
(4) If cannot make it to
A=B
, adjust from the best point so that
A
slightly smaller than
B
.