3
Alignment instructions
1. Test equipment
Digital Multi-meter
54200 (Signal generator)
PC (FLASH writing programs have to be installed first, W24CXX.EXE)
VG849 (HDMI signal generator)
CA210 (White balancer)
DVD player (with HDMI output)
Monitor
2. The alignment flow chart (see below figure)
Fig.1 Flow process of alignment
Production of main board, high frequency board,
other little board, power board on the line.
Input VGA signal, check if display is normal in
the state of PC and various functions (analog
control), line/ field center etc. the picture and
sound of AV-OUT should be the picture and
sound of the current channel
Combined test for general assembly
Input HDMI and DVI signal (use a connection
wire, input audio signal from D-sub Audio in),
check if HDCP KEY, picture and sound are
normal.
the picture and sound of AV-OUT should
be the picture and sound of the current channel
High frequency board test
Check accessories and then packing
Input YPbPr/YCbCr 1/2 signal and check if
picture, sound and analog quantity control is
normal in the state of COMPONENT. the picture
and sound of AV-OUT should be the picture and
sound of the current channel
FLASH write N5, N9, N13, N24
Main board test
Test of Button board and IR board
Aging
ADC emendation and white balance adjustment
Connect to central signal source, check
various TV functions (station search, system
identify, modulate quantity control etc), check if
the output of earphone and speaker are normal
Picture and sound of AV-out is normal. (check
stereo/SAP and CCD, VCHIP for America) .
Input AV1/S/AV2 signal, check various functions
under each terminal (system identify, analog
control etc), check if Picture and sound of AV-out
is normal. (S-terminal and AV1 share the same
audio channel, the output picture from AV-out is
the picture of AV1 in the status of S-terminal)