Service manual

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