2.6 Raster position adjustment(3) Locate the vertical size VR (R607) on
DEFLECTION PWB. Adjust the vertical size
Adjustment preparation
according to the following table.
(1) The set can face east or west.
(2) Input the single cross test signal.
= NORMAL
(3) Set video conditions to factory preset.MODE
(4) The electric focus should have been coarse
43470
adjusted.Units = millimeters
53 58025.4mm = 1in.
(5) The digital convergence RAM should be cleared
(uncorrected state). With the TV set off, press61 665The 5th line
and hold the service switch located on thefrom center
Tolerance: ? 5mm
Power/Deflection PWB and then press theBetween the
horizontal lines
power button.
at the top and
(6) Start adjustment 20 minutes or more after TV isbottom
turned on.
Adjustment procedure
(1) Turn the centering magnets for red, green, andNotes:(1)If internal cross-hatch does not
blue to satisfy the condition below. The red andappear after clearing RAM data,
blue horizontal lines should match with green.press service switch again (on
POWER/DEFLECTION PWB).
1(RED) (BLUE)2
(2) To restore old RAM data, turn TV
43 2530off and on.
(3) V-Size is only done in NORMAL
532025
mode (NTSC).
611525
2.8 Horizontal size adjustment
Tolerance: ? 2mm
Units = millimeters
Adjustment preparation
25.4mm = 1in.(1) The set can face east or west.
RB
(2) Set video conditions to factory preset.
(3) The electric focus should have been coarse
adjusted.
(4) Start adjustment 20 minutes or more after TV is
turned on.
Adjustment procedure
Geometric
(1) Receive any NTSC signal.
center of the
(2) Press the SERVICE ONLYSW on
screen
CONVERGENCE/FOCUS PWB and POWER to
display DCU unceorrected converge data.
(3) Locate the horizontal size VR (R711 on
12POWER/DEF PWB). Adjust horizontal size to
the table below.
(2) Upon completion of adjustment, fix centering
magnets with white paint.=NORMAL
MODE
43880
NOTES: (1) If internal cross-hatch does not appearUnits = millimeters
after clearing RAM data, press service53106025.4mm = 1in.
switch again.
611250
(2) To restore old RAM data, turn TV off and
Tolerance: ? 5mm
on.
The 6th line
2.7 Vertical size adjustmentfrom center
Adjustment preparation
(1) The set can face east or west.
(2) Set video conditions to factory preset.Between the
vertical lines
(3) The electric focus should have been coarse
at the left and
adjusted.right end.
(4) Start adjustment 20 minutes or more after TV is
turned on.
Notes: (1) Once Normal mode Horizontal size adj. is
Adjustment proceduredone. To restore old RAM data, turn TV off
and on.
(1) Receive any NTSC signal.
(2) Press the SERVICE ONLYSW on(2) After adjustment, press SERVICE ONLY
CONVERGENCE FOCUS PWB and POWER toswitch to exit DCU crosshatch.
(3) H. SIZE adjustment is only done in
display DCU uncorrected convergence data.
NORMAL MODE (NTSC).
41 |
ACEC
