Service manual

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ADJUSTMENT INSTRUCTIONS
(2) Equipment Composition
(3) Preparation for Adjustment
1) Connect the PC Pattern Generator with circuit thing for adjust-
ment(circuit block except driver part) and Adjustment Jig.
shown Fig. 2-1.
2) Set the PC Pattern generator with displayable
format(DTV720p, SVGA 60Hz, XGA 60Hz) and turn on it.
(4) Adjustment Sequence
1) Turn on the Adjustment Jig.
2) Select RGB_PC by pressing Input Select Key on Remote
Control.
3) Enter Adjustment Mode by pressing ADJ button on Remote
Control.
4) Select 1. M62352, to adjust RVCOM, GVCOM and BVCOM.
5) Decrease flicker by using Volume buttons.
(Input a R, G, B input signal, then adjust it individually)
6) When finished, exit adjustment mode by pressing ADJ button
on Remote Control.
5. Screen Position Adjustment
(Horizontal/Vertical Position Adjustment)
5-1. Required Test Equipment
Service Remote Control
5-2. Preparation for Adjustment
(1) Connect a power source to TV Set and turn TV Set on.
(2) Heat run for at least 15 min before adjustment.
(3) Receive the main/sub signal of company through 13CH by
split screen.
(4) Adjust screen ratio to 16:9 by pressing ARC Key.
5-3. Horizontal Position Adjustment
(1) Press ADJ key on the Remote Control to enter the adjustment
mode.
(2) Select 2. Position.
(3) Select H_Position with channel key in adjust mode.
(4) Adjust data with using the Volume key on the Remote Control
in order to get left/right screen symmetry.
(Refer to Fig. 3)
5-4. Vertical Position Adjustment
(1) Select V_Position with channel key in adjust mode.
(2) Change the data to symmetrized top and bottom of
screen(refer to Fig. 3) by pressing the Volume key on Remote
Control.
6. Component 2 Offset Adjustment
6-1. Required Test Equipment
Service Remote Control, 802F
6-2. Preparation for Adjustment
(1) Connect a power source to TV Set and turn TV Set on.
(2) Heat run for at least 15 min before adjustment.
(3) Receive the signal on Component2.
(4) Receive the 720P and HozTVBar Pattern of 802F.
6-3. Offset Adjustment
(1) Press ADJ key on the Remote Control to enter the adjustment
mode after more than 10 seconds of receiving the signals.
(2) Press the Enter key in 3. AD9883-set of adjustment item to
adjust automatically.
(3) When the adjustment is completed, enter the adjustment
mode by pressing Enter key after appearing “ Adjustment
Completion(Press the Enter)” OSD.
SCREEN
Equipment to measure
Optics
Adjustment Jig
SET
Stand
PC Pattern
Generator
Circuit thing
for Adjustment
PC
(Fig. 2-1) Using Adjustment of Circuit thing for Adjustment
(Fig. 2-2) TV Set status Adjustment
Adjustment Connector
Adj.
Jig
Equipment to measure
Optics
(Fig. 3) Adjustment for Horizontal/Vertical Position on Screen
HozTVBar Pattern