Trigger Circuit - Philips PM 3347 Manual

23
24BU X~
1sux~
BU1
278U X
(SOHz)
lnt
~o
SOHz~—.
C
T V Frame
oTV Llne
SK1jpCo
0
HF
12
13'
Sync.
Sep.
_/L
R39 ' R37
+130V
~R41
R2
Level
SK1
R19
R43
C22
Trigger Ampl.
+130 V +200 V
R21 I IR46
C14 GR3
GR2
-150 V
R3
Sta0.
R53
+2o~v ScFmitt- +zo~v
Trigger
R54 I R64
1
023
►--I
R63
B3~
EBBCC
R62 ~
+130 V
R57
R61
R65
5
R66
R44 R58
-150 V
Preset
Stab.
Trigg.
Sens.
R24■ ■R26
Aut,
Free-run
= 82p
EBOCF
R17
R19
-150V
-150V
R109'
R1
93°
E88CC
82t
E80CF
GR4
N
R 29
-150 V
C2< R67
Auto-stability-control
R31
Aut.
Trigg.
Level
R66
R107
-150 V
R33
R34
-150 V
PEM 2786
S.G.M.V.
82"
E88CC
e4"
811"
Hold-off
CIrCUIt
Fig. 18. Trigger Circuit