Philips 105G7 Series Service Manual page 43

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Vref 8
INTERNAL
BIAS
F.B 2
COMP. 1
Is 3
Ct/Rt 4
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IC901
UC3842
IC901 3842
5V
Vref
1/2 Vref
ERR
AMP
OSCILLATOR
SET/
RESET
U.V.L.O.
LOGLC
1/3
C.S.
1V COMP
42
36V
R
PWM
LATCH
S
7 VCC
5 GND
6 O/P