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TROUBLESHOOTING
r--+ (Check INTENSITY, # POSITION «» POSITION)
Vertical axis
'operation
When connected
When disconnected between
between P15
NG
P15 (X74) and P15 (x68)
(X74) and P15
respectively.
(X68) respectively.
P30 (X74)
voltage
022,
Q1 (x68)
P30 (X74)
P15 (X74)
Check and judgement
YES
Malfunction
Output voltage
YES of power
transformer
Vonage Selec
tor Fuse holder
)
ZN
INTEN: CW
\\ YES
nes
YES
Accelerating,
YES
a
t
voltage,
Collector
voltage P
blanking
waveform
Pin 3 (X68)
MAX
'74V
Q8 collector waveform 16
Q10 (X68)
'
collector
bla
waveform
24y
4
T1, G8, U4b
re)
30
60
90
(xéa}
ot Rebe
Bor
se
7)
H. Vottege
5
Q17
(X74) base waveform
P7
|
|
1
Pin 4
qusee)
¢-- (Check, $ POSITION, VARIABLE, VOLTS/DIV)
;
YES
YES
AMP
CH
No
Yes
Gab x7
NES
i112 KPH NES
F
042, 43 IX73)S, YES
P24, 25 YA
YES
YES
U46 1x73)
SES
'Base waveform
'Base waveform
;
Base waveform.
Y— (X73)
Base waveform
a
raveform
No
NO
No
NO
Novem
U20, b,c, de
11, 12, 46,
042, 43, 44, 45
Q13, 14, 25,
921, 22, 23,
us
Q7, 8, 9, 10
17, 40, 41
18, 19, 20
Q28, 29, 31, 32
Q27, 30 (X73)
D1, 2,19
$2 (x73)
U5
D3, 4 (X73)
DB, 6 (X73)
17 (X73)
D7, 8, 9 (X73)
D12, 13 (X73)
24, 25, 2
U3, D10, 11, 19
$4 (X73)
=
wy
ma
wm
U2b (Udb)
ae
a11 (033)
an
042 Base
Sésl
P24 waveform
Base waveform
=",
Base waveform
ae
waveform
+48
'+47
14.4
3.24]
+45
+395
ow
™
w
Condition:
Q12 (034)
ee
043
teas
P25 waveform
Apply a sine wave signal
Base waveform
-3
Base waveform
4.4.4
"ar
to Xinput for 6 div vertical
=3.24]
+415
+395)
amplitude.
[
: CH2
17
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