Read Sharp 28JW-74H (serv.man2) Service Manual online
50Hz Widescreen Colour Television – GA20 Chassis
Sharp Electronics (UK) Ltd
Technical Support
Issued June 02
Page 11
Pin Number
Name
Function
1 -V
CC
Negative
supply
2 -V
CC
Negative
supply
3 -V
CC
Negative
supply
4 OUT
PWM
Output
5 CFLY+
Flyback
capacitor
6 CFLY-
Flyback
capacitor
7 BOOT
Bootstrap
capacitor
8
VREG
Internal voltage regulator
9 FEEDCAP Feed-back
integrating
capacitor
10
FREQ
Frequency setting resistor and capacitor
11 GND
Ground
12
IN-
Error amplifier inverting input
13
IN+
Error amplifier non-inverting input
14
EA out
Error amplifier output
15 +V
CC
Positive
supply
16 +V
CC
Positive
supply
17 -V
cc
Negative
supply
18 -V
CC
Negative
supply
19 -V
CC
Negative
supply
20 -V
CC
Negative
supply
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