Sharp SD-AT50 Service Manual page 59

1-bit digital home theater
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IC507 VHiBA05ST++-1: Switch Regulator (BA05ST)
Pin No.
Terminal Name
1
CTL
2
VCC
3
GND
4
OUT
5*
N.C.
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
IC701 RH-iX0564AW00: System Microcomputer (IX0564AW) [Serial No. 208XXXXX Only]
IC701 RH-iX0564AWZZ: System Microcomputer (IX0564AW) [Serial No. 209XXXXX~]
A/D_REST
N.C.
SP_RLY
BASS_SW
AC_DETECT
AMP_CLK
AMP_SIN
AMP_SOUT
Output ON/OFF terminal.
Power supply input terminal.
Ground terminal.
Output terminal.
For BAOOST/SPF SERIES except for BA00AST/ASTFP, it turns to an N.C. terminal.
REFFERENCE
VCC
2
VOLTAGE
1
CTL
GND
3
Figure 59-1 BLOCK DIAGRAM OF IC
32 31 30 29 28 27 26 25
1
D3
2
D4
3
D5
4
D6/CNTR0
IX0564AW
5
D7/CNTR1
6
P20/SCK
7
P21/SOUT
8
P22/SIN
9
10 11 12 13 14 15 16
Figure 59-2 BLOCK DIAGRAM OF IC
Function
IC701
AIN3/CMP1+
AIN2/CMP1-
AIN1/CMP0+
AIN0/CMP0-
– 59 –
4
OUT
P04
24
S_S_MUTE
P01
23
C_S_MUTE
P00
22
F_S_MUTE
21
FAN_LOCK
20
FAN_CHK
19
PROTECT
18
+B_CHECK
P31/INT1
17
POWER_ON
SD-AT50

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