5
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:
Table1 voltage data of P802
For42”
P802
Pin1,2
Pin3,4
Pin5,6,7
Pin8,9
Pin10,11,12
Pin13
Pin14
Pin15
Pin16
Voltage
GND
22.8-25.2V
GND
11.4-12.6V
4.75-5.25V
On:2V-5.5V
Off: 0-0.5V
<0.6V
2.5-5V
PWM
2-5V
b) Test the pin voltage of P803/power board, the data is shown in table2:
Table2 voltage data of P803
For42”
P803
Pin1,2,3,4,5
Pin6,7,8,9,10
Pin11
Pin12
Pin13
Pin14
Voltage
22.8-25.2V
GND
NC
2V-5V
2.5-5V PWM
NC
Содержание LCD-DP42410
Страница 17: ...17 Block diagram POWER 42 ...
Страница 19: ...19 5 2 Block diagram ...
Страница 20: ...20 42 Block ...
Страница 22: ...22 7 Trouble Shooting 7 1 Fault clearance ...
Страница 24: ...24 7 2 2 Has audio but no video out Change to new power board P N PK101V2010I SSB42T ...
Страница 26: ...26 Change to new power board P N PK101V2010I SSB42T ...
Страница 27: ...8 SCHEMATIC DIAGRAM ELECTRON 42 ...
Страница 42: ...SCHEMATIC DIAGRAM POWER 42 P42410 00 ...
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Страница 47: ...CANADA SERVICE MANUAL CHANGE LIST DATE Page VERSION CHANGE ITEM ...