Read Sony HCD-E300HD / NAS-E300HD Service Manual online
HCD-E300HD
67
SW POWER BOARD IC02 CXD9841P (POWER CONTROL)
Pin No.
Pin Name
I/O
Description
1
VSENSE
I
AC line input voltage detection signal input terminal
2
F/B
I
Feedback signal input terminal for frequency modulation of oscillator
3
CT
-
External capacitor connection terminal for oscillator
4
RT
-
External resistor connection terminal for oscillator
5
GND
-
Ground terminal
6
PROTECT
-
External capacitor connection terminal for intermittent operation timer when abnormality
detecting it
detecting it
7
SS
-
External capacitor connection terminal for soft start
8
VC1
I
Power supply terminal for control circuit “L”: stop, “H”: operation start
9
OCP
I
Over current detection signal and DIDT protection signal input terminal
10
VC2
O
Power supply output terminal for driver
11
P-GND
I
Ground terminal for lower side driver
12
VG (L)
O
Lower side driver drive signal output terminal
13
-
-
Not used
14
VB
I
Power supply terminal for upper side driver
15
VS
I
Reference power supply input terminal for upper side driver
16
VG (H)
O
Upper side driver drive signal output terminal
17
-
-
Not used
18
VD
-
Terminal for drain kick start
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