Tektronix 2430 - DC Restorer

4917-11
CATHOD E 2
3-76
Figure 3-10. DC Restorer.
+1 5 V
GR ID BIAS
R64 5
Q640
o TO +15 V
CR64 3
+1 5 V
DS491
DS490
CATHODEVOLTAGE
- - -1900 V
n- -1920 V
_j L -1985 V
F
AC DR IVE C640
FR OM PIN 7~
OF T5 25 /
+150V_
o V
-150 V
+116VMJ\MJ
+45 V
+8 V
n- +8 V TO+45 V
_j L +8 V
PARTIAL CR565
Theory of Operation-2430 Service