Alignment Instructions - Sanyo LCD-42XR2 Service Manual

Alignment instructions

1. Test equipment
Digital multimeter, signal generator (54200)
VG849 (HDMI signal generator)
CA210 (White balancer)
2. The alignment flow chart (see below Fig.1)
Write N105, N403, N607, N70, N606
To produce main board, TV board and other board
Check the MAIN board
Check the buttons board and IR receive board
Combined test for general assembly
ADC correction and white balance adjustment
Input the center signal source, check if various
functions of TV (search channel, system identify
and analog control etc.), earphone output, speaker
output and the picture and sound of AV-out is
normal
3. Alignment instructions
3.1 the main board adjustment
a. Connect the X602 of main board to the infrared receive board, the supply power plug to X1, then
(LC-37T25& LC-42T17&LC-47T17)
Check the TV board
Aging
Fig.1 Flow process of alignment
Check accessories and then packing
Input VGA signal source, check is the display is
normal in PC state and various function (analog
control) H-V center etc. The AV-out output sound
is originally signal
Input HDMI and DVI signal source, check if
the HDCP KEY is normal. The AV-out output
sound is originally signal
Input YpbPr/YcbCr 1/2 signal source; check if the
picture and sound analog control is normal in the
COMPONENT state. The AV-out output sound is
originally signal
Input AV1/S/AV2 signal source, check if the
various terminal functions (system identify and
analog control etc.) and the picture and sound of
AV-out is normal.
3