47LH90QD (CHASSIS:LT91C) - LG TV Service Manual (repair manual). Page 9

Read LG 47LH90QD (CHASSIS:LT91C) Service Manual online

- 9 -
7. POWER
No Item 
Min 
Typ
Max 
Unit  Remarks
1.
AC Power Shut Down Voltage 
90 
264 
Vac
42”
21.6 24 26.4 
Vdc
DC Voltage,Inverter                      47”
21.6
24 
26.4 
Vdc
55”
21.6 24 26.4 
Vdc
42”
11.4 12.0 12.6 
Vdc
3.
DC Voltage,LCD Panel                 47”
11.4 
12.0 
12.6 
Vdc
55”
21.6 24 26.4 
Vdc
4.
DC Voltage,Stand By 
4.94 
5.2 
5.46 
Vdc
DC Voltage,Sound AMP (24V)
24 
Vdc 
42/47/55LH90QD-DC
5.
DC Voltage,Sound AMP (3.3V)
2.97 
3.3 
3.63
Vdc 
ALL
DC Voltage,Sound AMP (1.8V)
1.62
1.8 
1.98 
Vdc 
ALL 
6.
DC Voltage,Tuner (3.3V)
3.1 
3.3
3.5
DC Voltage,Tuner (1.8V)
1.6 
1.8
2.0
Vdc
DC Voltage,Mstar (3.3V)
3.1 
3.3
3.5 
Vdc 
7.
DC Voltage,Mstar (1.8V)
1.6  
1.8 
2.0 
Vdc
DC Voltage,Mstar (1.26V)
1.06
1.26
1.46 
Vdc 
LGE3369
DC Voltage,Mstar (3.3V)
3.1 
3.3
3.5 
Vdc
8.
DC Voltage,Mstar (1.8V)
1.6  
1.8 
2.0  
Vdc 
DC Voltage,Mstar (1.26V)
1.06 
1.26 
1.46
Vdc
LGE7329
9.
DC Voltage,Local Dimming (3.3V)
3.1 
3.3 
3.5
Vdc
DC Voltage,Local Dimmin (1.8V)
1.6 
1.8 
2.0
Vdc 
LGE5110
No Item Min 
Typ 
Max 
Unit 
Remarks
1.
Video Input Level 
0.9 
1.1 
Vpp
2.
Audio Input Level 
0.4 
0.5 
0.6 
Vrms
PAL
3.
Component Video Input Level (Y,C
B
/P
B
,C
R
/P
R
) 0.6 0.7 0.8 Vpp
4.
R/G/B Video Input Level,
0.6 
0.7 
0.8 
Vpp
8. Standard Level For Input Signal (Video,Audio,Y/C,Component,RGB)
Page of 72
Display

Click on the first or last page to see other 47LH90QD (CHASSIS:LT91C) service manuals if exist.