ViewSonic E95 - Page 66

3. The raster don’t appear
The raster don't appear
Is the C480= -125V
normal?
R4136, D427 are defective
Yes
No ;
Does the CRT heater Is the voltage at the heater
pin10 of CRT socket
glow red?
normal?
Yes
Heater voltage
approx. 6.3V
Turn the FBT screen
clockwise
Video G1 circuit Q433,
Does the entire screen Q440, Q611, Q612, Q613,
light up? 1C601 pin23 brightness
control are defective
No
FBT is defective
63
ViewSonic Corporation
D211,Q203, R214 are
defective
ee ee