Chapter 3 Alignment & Adjustment - Samsung HLRS078WX/XAA Service Manual

Alignment & Adjustment
3. Alignment& Adjustment
3-1 Service Instruction
Checkitemslisted after changingeach
_::- _. Check !terns L ;
Actuator
.... ::: _/vv version I PromLUU imaex uelay I ^ '
Rep aced terns £5.aln
V-Positi0n'
H-Position CCA Board T'!tFOCUS
Digital Board • • • • •
Analog Board • •
PowerBoard • • •
optical Engine • • • • • •
DMD Board • •
Lamp •
Color Wheel • •
Front LEDAssy •
Actuator
Subdetector B oard •
1. Softwareversioncheck:
After Enteringthe Servicemode, Checkthe list below
* S/W Notation
"T_EXCAAUSO_00XX" indicates"EXCALIBURBASICMODELUSA,ver. 0001".
2. FrontInformation Windowcheck : See page 6-7.
3. IndexDelayadjustment: See page 3-15.
4. ActuatorGain adjustment:See page 3-17.
5. Vertical/Horizontal Positionadjustment: See page 3-15.
6. CCA: See page 3-16.
7. BoardLEDcheck : Checkall the LEDare turnedon.
(in the Analog,DetectBoard)
8. Tilt/Focusadjustment See page3-19.
5VA 5,7VB
R7 .R6
3
1.2Kohm
1K
J 1/10W
0P1 0P2
b
PowerCheckIndicatorLED
(AnalogBoard)
12VB
T_EXCAAUSO_00XX
2005 XX XX
T-DTVUCOM5-00XX
T-XMENAUS0_00XX
R8
2K
0Ps
5VA 12VB
P1 (i I
PowerCheckIndicatorLED
(DetectBoard)
SamsungElectronics 3-1