Sanyo LCD-47XR7H, Service Manual

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3
Alignment instructions
1. Test equipment
Digital Multimeter, SCART signal generator FLUKE54200, Oscillograph
PC( FLASH writing program has to be installed firstly), VG848( VGA,YPBPR signal generator)
CA210 (white balancer), DVD player with HDMI output, TV set with SCART terminal
IF signal generator
2. The alignment flow chart (see below figure)
Flash writing N401, NA02, NS01, NB06, NB15
To produce main board and TV board
TV board adjustment
Check main board
Connect with central signal source, then check each function of TV such as station
missing, system identify, analog control etc., check the output of headphone and speaker
Input SCART/AV/S signal, then check each function of all the terminals
Input HDMI signal, check if the display is normal at HDMI1 and HDMI2, check sound
and each function such as analog control etc.
Input VGA signal and check the display at PC status, check each function such as
analog control etc., check horizontal /vertical center etc.
Check TV board
Combined test for general assembly
Input TV/AV/S terminal/SCART/VGA signal, and check the SCART OUTPUT at the
SCART OUTPUT situation of TV or MONITOR
Input DVB-T digital signal, check each function of the DVB-T.