Read Sharp LC-32DH57E (serv.man6) Service Manual online
LC-32DH57E-BK/RU-BK/S-BK
5 – 21
2.14. IC2701 (VHiYDA148QZ-1Y)
This IC is a block diagram and description LC-32A47E/RU/V (S59Z4LC32A47E) please see the service manual.
2.15. IC9605/IC9608 (VHiLV5893M+-1Y)
2.15.1 Block Diagram
2.15.2 Pin Connections and short description
2.16. IC9606 (VHiLV5805M+-1Y)
This IC is a block diagram and description LC-19D1E (S58J9LC19D1ES) please see the service manual.
Pin No.
Pin Name
I/O
Pin Function
1
BOOT
I
Upper part MOS transistor boot strap capacity connection terminal.
Connect the boot capacity of about 0.022
Connect the boot capacity of about 0.022
µF between SW terminals.
The boot capacity series resistance (about100
Ω) is effective for stable operation.
2
VIN
I
Input power source terminal.
Connect very big capacity (10
Connect very big capacity (10
µF 2 or more) between GND.
3
SW
I
Power switch terminal.
Connect the output LC filter. Connect the above-mentioned capacity between BOOT terminals.
Connect the output LC filter. Connect the above-mentioned capacity between BOOT terminals.
4
GND
—
Ground
5
FB
I
Feedback terminal.
The output voltage is set by the division resistance of output voltage (Vout-FB-GND).
The output voltage is set by the division resistance of output voltage (Vout-FB-GND).
6
COMP
I
Phase compensation terminal.
Connect external capacity and resistance for the phase compensation of the DC/DC converter close loop.
Connect external capacity and resistance for the phase compensation of the DC/DC converter close loop.
7
EN
I
Enable terminal
It operates the converter by a high voltage or the opening. It stops with GND the converter operation.
It operates the converter by a high voltage or the opening. It stops with GND the converter operation.
8
SS
—
Soft start terminal.
The soft start time is set by built-in 10
The soft start time is set by built-in 10
µA source voltage and external soft start capacity.
Click on the first or last page to see other LC-32DH57E (serv.man6) service manuals if exist.