LG 50PW450 Service Manual - Page 56

HS603, HS601, HS602 - ysus

Get LG 50PW450 PDF manuals and user guides View all LG 50PW450 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 56 highlights

Repair Process-Reference data PDP TV Symptom A. Picture Problem Y-Sus Board Checking Method(50R3) Making Revision ▣ Check Method ① Check input voltages(5V, Va, Vs) at P103 connector. ② Check it is short or not between Vs and GND at P103 connector. ③ Check all of fuses open. (FS201, FS202, FS203, FS501) ④ Check voltage of diode , FET by using digital multi-meter. ▣ Measurement method Diode FET YSUS board ▣ Specifications Position HS601 HS602 HS603 Direction Forward Reverse Forward Reverse Forward Reverse Circuit No. D610 Q606,Q607 Q608,Q609 0.35V ~ 0.45V 0.45V~0.55V 0.45V~0.55V O.L. (Overload) D604,D605 Q601,Q602 0.35V ~ 0.45V 0.45V~0.55V O.L. (Overload) D602 Q603,Q605 Q610,Q612 0.35V ~ 0.45V 0.35V ~ 0.45V 0.4V~0.5V O.L. (Overload) 2010. 11. 16 전자 - 6-2 A8 FS203 Vs fuse P113 FS202 5V fuse FS201 Va fuse FS501 18V fuse HS603 HS601 HS602 A89 ⓒ LG Electronics. Inc.2009

  • 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
ⓒ
LG Electronics. Inc.2009
Making
전자
- 6-2
Revision
PDP TV
Symptom
A. Picture Problem
Y-Sus Board Checking Method(50R3)
Repair Process-Reference data
A8
A8
A9
▣
Check Method
①
Check input voltages(5V, Va, Vs) at P103 connector.
②
Check it is short or not between Vs and GND at P103 connector.
③
Check all of fuses open. (FS201, FS202, FS203, FS501)
④
Check voltage of diode , FET by using digital multi-meter
.
▣
Measurement method
0.4V~0.5V
Q610,Q612
0.45V~0.55V
Q608,Q609
0.45V~0.55V
Q601,Q602
0.35V ~ 0.45V
Q603,Q605
D604,D605
HS602
0.35V ~ 0.45V
Forward
O.L. (Overload)
Reverse
D602
HS603
0.35V ~ 0.45V
Forward
O.L. (Overload)
Reverse
Position
Direction
Circuit No.
HS601
D610
Q606,Q607
Forward
0.35V ~ 0.45V
0.45V~0.55V
Reverse
O.L. (Overload)
▣
Specifications
Diode
FET
HS603
HS601
HS602
YSUS board
FS202
5V fuse
FS203
Vs fuse
FS201
Va fuse
P113
2010. 11. 16
FS501
18V fuse