Sony FD Trinitron KV-28DX30U Service Manual page 54

5-5. IC BLOCK DIAGRAMS (2)
A BOARD IC4 PST593C
+
-
D BOARD IC500 STV9379
2 8 6
FLYBACK
GENERATOR
-
1
POWER
AMP
+
7
PROTECTION
4
D BOARD IC600 STR-S6709
9
START UP OVP
PRE REG
THERMAL
7
OSC T DELAY Q
R
5
THERMAL
PROPORTIONAL
DRIVE
LATCH
OSC
REF
8
94
Vcc
3
V out
1
4
GND
2
Reset
5
4
3
1
2
6