Read Sharp LC-52XS1E (serv.man5) Service Manual online
LC-52XS1E/RU/LC-65XS1E/RU
5 – 15
23.IC5902 (VHiBD9045FV-1Y)
This is a DC/DC converter, which inputs 15V from the power supply unit and generates 1.2V and 1.8V used within the IF PWB.
18
COMP1
O
Error amplifier output 1
19
FB1
I
Error amplifier input 1
20
EN1
I
Output 1 ON/OFF terminal
21
VCC
-
Input power supply terminal
22
EN2
I
Output 2 ON/OFF terminal
23
VREG3
-
The REG output for standard power supplies
24
RT
-
Oscillation frequency setting terminal
25
FB2
I
Error amplifier input 2
26
COMP2
O
Error amplifier output 2
27
SS2
-
Soft starting time setting terminal 2
28
TM2
-
Output 2 OCP and an OVP timer latch setting terminal
Pin No.
Pin Name
I/O
Pin Function
