Sony HAP-S1 - Page 85

HAP-S1
85
– U-COM Board –
IC5004 BU4229F-TR
– DCDC Board –
IC2402 – 2404 RT7256ALZSP
–
+
VDD
2
GND
1
VOUT
4
CT
3
VREF
IC5005 TC74VHC4052AFT (EK)
0Y 1
Y-COM 3
A10
B
9
3X
11
0X
12
X-COM
13
1X
14
2X
15
VCC
16
O/I I/O
C
2Y 2 O/I I/O
C
3Y 4 O/I I/O
C
1Y 5 O/I I/O
C
INH 6
GND
7
GND
8
I/O O/I
C
I/O O/I
C
I/O O/I
C
I/O O/I
C
SS8
EN
7
N.C.
6
FB
5
BOOT
1
VIN
SW
2
3
GND
4
VA
VA VCC

+
+

+
+

+

+

QS
RQ
VCC
0.8V
2.5V
1.2V
6
INTERNAL
REGULATOR
FOLDBACK
CONTROL
OSCILLATOR
SHUTDOWN
COMPARATOR
LOCKOUT
COMPARATOR
CURRENT
COMPARATOR
SLOPE
COMP
CURRENT
SENSE
AMPLIFIER
UV
COMPARATOR
+

0.4V
EA