Sharp LC-37D90U Service Manual page 78
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Also See for LC-37D90U:
- Specifications (2 pages) ,
- Operation manual (79 pages) ,
- Supplemental service manual (6 pages)
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LC-37D90U
2.19. 95KUCY0273AY (ASSY: IC4701)
HIGH VOLTAGE RESONANT CONTROLLER (E-L6598D13TR)
•
Block Diagram [95KUCY0273AY (ASSY: IC4701)]
•
Pin Function [95KUCY0273AY (ASSY: IC4701)]
Pin No.
Pin Name
1
CSS
2
Rfstart
3
Cf
4
Rfmin
5
Opout
6
OPon-
7
OPon+
8
EN1
9
EN2
10
GND
11
LVG
12
Vs
13
N.C.
14
OUT
15
HVG
16
Vboot
2.20. 95KUCY0244AY (ASSY: IC5701)
SWITCHING POWER CONTROL (FA5518N-H1-TE1)
•
Block Diagram [95KUCY0244AY (ASSY: IC5701)]
•
Pin Function [95KUCY0244AY (ASSY: IC5701)]
Pin No.
Pin Name
1
CS
2
FB
3
IS
4
GND
5
OUT
6
VCC
7
N.C.
8
VH
I/O
---
Soft Start Timing Capacitor.
I
Soft Start Frequency Setting - Low Impedance Voltage Source - See also Cf.
---
Oscillator Frequency Setting - see also Rfmin, Rfstart.
I
Minimum Oscillation Frequency Setting - Low Impedance Voltage Source - See also Cf.
O
Sense OP AMP Output - Low Impedance.
I
Sense Op Amp Inverting Input - High Impedance.
I
Sense Op Amp Non Inverting Input - High Impedance.
I
Half Bridge Latched Enable.
I
Half Bridge Unlatched Enable.
---
Ground.
O
Low Side Driver Output.
---
Supply Volatge with Internal Zener Clamp.
---
Not Connected.
O
High Side Driver Reference.
O
High Side Driver Output.
O
Bootstrapped Supply Voltage.
I/O
---
Soft start, latch-mode stop.
I
Input for controlling current comparator threshold voltage.
I
Input for monitoring MOSFET current.
---
Power supply ground.
O
Output for directly driving a MOSFET.
---
Power supply for ICs.
---
No connection.
I
Input terminal for start-up circuit.
Pin Function
Pin Function
5 – 62
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