ViewSonic E70FSB-2 Service Manual - Page 23
Abnormal Horizontal Deflection, Abnormal Horizontal Width Of Video, Abnormal Horizontal Video
UPC - 766907870558
View all ViewSonic E70FSB-2 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 23 highlights
6-5 ABNORMAL HORIZONTAL DEFLECTION 1. ABNORMAL HORIZONTAL WIDTH OF VIDEO READJUST H -WIDTH NG OK CHECK FBT B+ ABOUT 65V AT CHECK THE HV CRT ABOUT 25.254K.5VKV CHECK THE RELATIVE OF Q404, Q405, & CHECK THE CIRCUIT OF 2. ABNORMAL HORIZONTAL VIDEO CENTER CHECK IC401 PIN 29 RELATIVE CIRCUIT 3. ABNORMAL HORIZONTAL LINEARITY CHECK L401, Q426, Q428,Q431 ViewSonic Corporation 20 Confidential - Do Not Copy E70f-5_E70fB-5_E70fSB-5
6-5 ABNORMAL HORIZONTAL DEFLECTION
1.
ABNORMAL HORIZONTAL WIDTH OF VIDEO
NG
OK
CHECK THE RELATIVE
CHECK THE
CIRCUIT OF
READJUST H
-WIDTH
OF Q404, Q405, &
CHECK THE HV
CHECK FBT B+
CRT ABOUT 25.5KV
ABOUT 65V AT
2.
ABNORMAL HORIZONTAL VIDEO CENTER
RELATIVE CIRCUIT
CHECK IC401 PIN 29
3.
ABNORMAL HORIZONTAL LINEARITY
CHECK L401, Q426, Q428,Q431
24.5KV
ViewSonic Corporation
Confidential – Do Not Copy
E70f-5_E70fB-5_E70fSB-5
20