SECTION 4
G2 = 400 to 650 V
(Do not clockwise turn the
Screen VR to extreme )
No Raster
High Voltage exist
Replace
T101(FBT)
I301 Pin3
HUNLOCK HIGH ?
P401CONNECTION
proper ?
YES
No
NO
YES
Check I
2
C bus
from Pin27,28
of IA01 to
IA02,I301,I901
Check IA01 and its
peripheral CKT
NO
NO
Replace IA01
ViewSonic Corporation
31
Confidential – Do Not Copy
A
9
0f+-1
Содержание A90f+ 1
Страница 57: ...12 PCB Layout ViewSonic Corporation 54 Confidential Do Not Copy A90f 1...
Страница 58: ...VIDEO PWB 0414 ViewSonic Corporation 55 Confidential Do Not Copy A90f 1...
Страница 59: ...KEY CONTROL PWB 0488 ViewSonic Corporation 56 Confidential Do Not Copy A90f 1...
Страница 60: ...MAIN BOARD 13 Schematic Diagrams ViewSonic Corporation 57 Confidential Do Not Copy A90f 1...
Страница 61: ...VIDEO ViewSonic Corporation 58 Confidential Do Not Copy A90f 1...
Страница 62: ...KEY CORTROL ViewSonic Corporation 59 Confidential Do Not Copy A90f 1...
Страница 63: ...POWER SUPPLY CKT ViewSonic Corporation 60 Confidential Do Not Copy A90f 1...
Страница 64: ...MCU CONTROL CKT ViewSonic Corporation 61 Confidential Do Not Copy A90f 1...
Страница 65: ...Time Base DeflectionCKT ViewSonic Corporation 62 Confidential Do Not Copy A90f 1...
Страница 66: ...H V DYNAMIC FOCUS CKT ViewSonic Corporation 63 Confidential Do Not Copy A90f 1...
Страница 67: ...14 Exploded Diagram ViewSonic Corporation 64 Confidential Do Not Copy A90f 1...