Alignment Instructions - Sanyo LCD-DP55441 Service Manual

2. Alignment instructions

2.1. Test equipment
VG-848 (Video, YPbPr and VGA signal generator)
VG-849 ( Video, YPbPr, VGA and HDMI signal generator)
FLUKE 54200(TV signal generator)
CA210 (white balancer)
2.2. Power test
Connect main board, power board and IR board according the wiring diagram, connect
the power and press power key(Remote controller or Keypad) button to turn on the TV.
a) Test the pin voltage of P802/power board , the data is shown in table1:
P802 Pin1,2 Pin3,4
Voltage GND 11.6-12.8V
b) Test the pin voltage of P803/power board, the data is shown in table2:
P803/P804 Pin1,2,3,4,5
Voltage 22.8-25.2V
Table1 voltage data of P802
Pin5,6,7 Pin8,9
GND 11.6-12.8V
Table2 voltage data of P803/P804
Pin6,7,8,9,10 Pin11
GND NC
For55"
Pin
Pin10,11,
12
4.75- On:2V-5.5V
NA
5.25V Off: 0-0.5V
For55"
Pin12
2V-5V
5
Pin13 Pin14 Pin15
2.5-5V
<0.6V
PWM
Pin13
2.5-5V PWM
Pin16
2-5V
Pin14
NC