LG 50PJ340 Training Manual - Page 32

Adjustment Notice, Y-SUS: Adjust -Vy, VSC - 50pj350 problems

Get LG 50PJ340 PDF manuals and user guides View all LG 50PJ340 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 32 highlights

Adjustment Notice All adjustments (DC or Waveform) are adjusted in WHITE WASH. Customer's Menu, Select "Options", select "ISM" select "WHITE WASH". It is critical that the DC Voltage adjustments be checked when; 1) SMPS, Y-SUS or Z-SUS board is replaced. 2) Panel is replaced, Check Va/Vs since the SMPS does not come with new panel 3) A Picture issue is encountered 4) As a general rule of thumb when ever the back is removed ADJUSTMENT ORDER "IMPORTANT" DC VOLTAGE ADJUSTMENTS 1) POWER SUPPLY: VS, VA (Always do first) 2) Y-SUS: Adjust -Vy, VSC 3) Z-SUS: Adjust Z-Bias (VZB) WAVEFORM ADJUSTMENTS 1) Y-SUS: Set-Up, Set-Down Remember, the Voltage Label MUST be followed, it is specific to the panel's needs. Power Supply The Waveform adjustment is only necessary 1) When the Y-SUS board is replaced 2) When a "Mal-Discharge" problem is encountered 3) When an abnormal picture issues is encountered Set-Up -Vy Vsc Ve ZBias Panel "Rear View" All label references are from a specific panel. They are not the same for every panel encountered. 32 July 2010 50PJ350 Plasma

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
32
July 2010
50PJ350
Plasma
ADJUSTMENT ORDER “IMPORTANT”
DC VOLTAGE ADJUSTMENTS
1)
POWER SUPPLY: VS, VA
(Always do first)
2)
Y-SUS: Adjust –Vy, VSC
3)
Z-SUS: Adjust Z-Bias (VZB)
WAVEFORM ADJUSTMENTS
1)
Y-SUS: Set-Up, Set-Down
Adjustment Notice
Adjustment Notice
It is critical that the DC Voltage adjustments be checked when;
1)
SMPS, Y-SUS or Z-SUS board is replaced.
2)
Panel is replaced, Check Va/Vs since the SMPS does not come with new panel
3)
A Picture issue is encountered
4)
As a general rule of thumb when ever the back is removed
Remember, the Voltage Label MUST be followed,
it is specific to the panel’s needs.
All label references are from a specific panel.
They are not the same for every panel encountered.
Panel
“Rear View”
The Waveform adjustment is only necessary
1)
When the Y-SUS board is replaced
2)
When a “Mal-Discharge” problem is
encountered
3)
When an abnormal picture issues is
encountered
All adjustments (DC or Waveform) are adjusted in WHITE WASH.
Customer’s Menu, Select “Options”, select “ISM” select “WHITE WASH”.
Power Supply
Set-Up
Ve
-Vy
Vsc
ZBias