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