ViewSonic VA502mb-1 Service Manual page 21

PIN Descriptions:
Pin Names
1 CT
2 RT
3 NON1
4 INV1
5 FB1
6 DT1
7 OUT1
8 GND
9 Vcc
10 OUT2
11 DT2
12 FB2
13 INV2
14 NON2
15 SCP
16 VREF
Block Diagram
ViewSonic Corporation
Function
External timing capacitance
External timing resistance
Positive input for error amplifier 1
Negative input for error amplifier 1
Output for error amplifier 1
Output 1 dead time/soft start setting
Output 1
Ground
Power Supply
Output 2
Output 2 dead time/soft start setting
Output for error amplifier 2
Negative input for error amplifier 2
Positive input for error amplifier 2
Timing latch setting
Reference voltage(2.5v) output
18
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VA502mb-1