Daewoo 710B Service Manual page 21

5. Horizontal Output Circuit
11V
0V
10V
0V
66V
Trouble in Horizontal
output circuit
(No Raster
Is the
B+line voltage
over 45V?
Yes
Is the H-out
waveform of IC501
normal?
Yes
Is the Collector
wave form of
Q501 or Q502
normal?
Yes
Is the Collector
waveform of
Q503 normal?
Yes
Trouble in Q504 and
its ambient circuit.
19
Trouble in B+ Booster Circuit
No
(Check the B+section of IC501,
Check Q603 and its ambient
circuit).
No
Trouble in IC501
No
Trouble in Q501, Q502
No
Trouble in Q503 and its
ambient circuit.