Sanyo LCD-46XR10DKH, Руководство по обслуживанию

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3
Alignment instructions
1. Test equipment
VG-848 (YPbPr,VGA signal generator)
VG-849 (HDMI signal generator)
CA210 (white balance equipment)
2. Alignment flow
2.1 Voltage of power supply test
According to the wiring diagram specified by product specification, connect power board, digital
board, IR/key board and backlight board correctly; then power on and press key
to turn on the
unit.
a) Test each pin voltage of 13-pin power socket in turn listed as
Table 1. (X601 for below 26’’ and
X501 for 26’’ and above)
Table 1 Voltage of 13-pin power socket each pin
Pin 1 2 3 4 、
5 6
、
7
8 9 10 11 12 13
Voltage ≥ 2.5V ≥ 2.5V 0 12 V±5% 0 N.C. 5 V±5% 0 5 V±5% 0 ≥ 2.5V
b) Test each pin voltage of 5-pin power socket in turn listed as Table 2. (X50
6
for 26’’ and above)
Table 2 Voltage of 5-pin power socket each pin
Pin 1, 2 3, 4, 5
Voltage 24V±5% 0
2.2 Adjustment flow chart shown as Fig.1
Check if EDID, HDCP KEY and FLASH have been burned.
Combination adjustment for general assembly
White balance adjustment
Connect to central signal source, check if TV functions are normal
–omitted channel, analog parameters control, etc; check if output of
earphone and speaker is normal.
Input AV or Y/C signal
，
check if every function is normal.