Toshiba TCL M28LG2 Service Manual page 55

No raster, No
PIC. Sound OK
Check the
voltage of "B+"
OK
Check the
voltage at PIN1
of P502
OK
Check the
voltage at PIN3
of P502
OK
Check the R/G/B voltage at
PIN3.4.5 OF P501,and R/G/B
wave form,and the voltage PIN1 of
P501
OK
Check the
voltage at
PIN1.2.3.4.7 of
OK
Replace the
CRT
Replace T802
OK
Check the
voltage of
NG
12V.12VA.33V
Check
NG Q401.Q402.T40
2
OK
Replace T401
NG
Replace IC201
NG
Check
NG Q501.Q502.Q50
3.Q510
55
Check SW801.
F801.DB801
NG
Check the
NG
voltage of 300V
Replace
NG Q401.Q402.T40
2
Replace
NG Q510.Q502.Q50
3.Q510