Sharp SM-SX100 - Part 2

SM-SX100
– 25 –
Figure 25 BLOCK DIAGRAM (2/2)
ICA4~ICA7
FET DRIVER
HIP2100
5
3
1
1
1
2
2
2
1
9
9
17
14
15
22
23
6
5
2
3
20
1
4
13
10
3
6
5
6
3
8
8
11
IC651
Q651,Q652
Q653,Q654
A
E
,
2
ANALOG AMP.
Q606, Q605
Q614, Q613
Q618, Q617
Q610, Q609
Q608, Q607
Q622, Q621
Q612, Q611
Q624, Q623
IC601
D205, 207
D208,209
IC202,203
Q212,211
Q214
1BIT UNIT SECTION
VRA1~VRA4
DIGITAL INPUT
ANALOG
INPUT
SWITCHING
LOGIC CIRCUIT
LOW PASS
FILTER
Q118
Q119
RLY108
RLY107
8
13
O
RM
A
TION
4F
8
01
8
02
Q801
Q802
L
R
Q201
IC201
NJM4558M
Q202, Q209, Q210
D204, D203, D206
Q116
RLY106
R256
+32
+12
G
1bit
+32V
1bit
-32V
1bit
-22V
-22V
Q114, Q115
IC109
REGULATOR
NJM431U
-32V
UNIT501, 502
DC/DC CONVERTER
IC106
DC/DC
CONVERTER
BP5022
IC107
DC/DC
CONVERTER
BP5021
Q105
Q106
IC108
+5V
REGULATOR
BA178M05T
+12V
1bit
Dig+5V
ANa+5V
+5V
(Digital)
RELAY/SW/
µCOM
+5V
OPE AMP.
+15V
-15V
UNIT101
DC/DC
CONVERTER
UNT503
AC/DC
CONVERTER
SW501
POWER
LINE
FILTER
F501
T4A L 250V(220-240V)
7A/125V(110-127V)
SOC501
AC INLET
AC 230V, 50Hz(220-240V)
AC120V, 60Hz(110-127V)
RLY501
SW101
IMPEDANCE
SELECTOR
ANALOG
ICA2
NAND GATE
74AC00F
ICA3
AND GATE
TAC08F
QA1~QA8
LEVEL SHIFT
QA9~QA16
POWER
SWITCHING
F502,F503
T3.15A L 250V(220-240V)
3A/250V(110-127V)
ICA1
7TH ORDER
MODULATION
CONVERSION
LSI
IX2815AF
FEEDBACK CIRCUIT
FEEDBACK LEVEL
ADJUSTMENT
PROTECT
OFFSET
DETECTION
PROTECT OVERCURRENT
DETECTION CIRCUIT
SPEAKER
TERMINAL