Haier 21F99, Service Manual

Page: 25 / 45

Horizontal bright line
Break R908 , let multimeter preset on R 1K and red meter rod
grounding, let black meter rod tap pin 4 at N402.see if the bright line can
wide at instant.
Check if R907 R448
are rosin joint and the
resistor value of R448
changes larger.
Check the
external circuit
of N201 and
N201.
Normal
There is breakdown in the vertical
output grate.
Check if the connector
of the deflection yoke is
connected well,and
C433is rosin joint or
cutoff, and the external
circuit of N402 and
N402.
C
heck 26V
power circuit.
YES
NO
YES
NO
YES
NO
3.