Acer AF715 Series Service Manual page 51

All manuals and user guides at all-guides.com
IC905
IC902 TL431
TL431
REFERENCE R +
-
2.5Vref
A
ANODE
INPUT 1
CURRENT
GENERATOR
STARTING REFERENCE
VOLTAGE
CIRCUIT
Feedback
Input
V
control
Oscillator
Capacitor(C )
T
Current Sense
Input
IC903 PC123/SFH615
PRE 1
K CATHODE
VSS
IC904
LM7812
SOA
PROTECTION
ERROR
AMPLIFIER
THERMAL
PROTECTION
IC906 MC33260
8
1
7
2
6
3
5
4
50
IC102
ST24W04
8 VCC
E1 2 7 MODE/WC
E2 3 6 SCL
4 5 SDA
SERIES
PASS 2 OUTPUT
ELEMENT
3 GND
V
CC
Gate Drive
Gnd
Synchronization
Input