Read Sharp HT-SB400H (serv.man3) Service Manual online
HT-SB400
4 – 1
CHAPTER 4. DIAGRAMS
[1] Block Diagram
D804
JK801 (SUB-WOOFER PRE-OUT)
XM601
36.864MHz
36.864MHz
+B5
AMP_12.0V
~
JK802 (LINE IN)
L
h
c
L
R
L
L
R
Rch
R
JK803 (AUDIO IN)
~
L
R
+B2
D805
LVL_DETECT
LVL_DETECT
JK804
FROM AC
SK52B 5A/20V
V
0
.
5
A
R
O
T
P
A
D
A
DC IN
12V 4A
+B3 +B5
DZ801
DZ805
5.6B
13A
+B2
+B2
D802
+B5
+B1 +B3
D602
+B2
~
UNSW 3.3
D603
+B3
A_5.0V
+B3
+B1
D_3.3V
3
2
IC804
AP2213
IC803
LD1117AS33L
3
2
IC601
WM8775
28
1
25
24
6
14
16
7
AVDD
DVDD
DVDD
17
8
9
IC602
NJU260409D
SRS TSHD
1
7
25
9
12
13
28
32
4
2
2
3
6
7
8
IC604
PST8227U
4
2
1
Q601
RESET
35
DC_RELAY
17
14
19
6
26
27
28
30
33
8
+B3
+B1
23
24
15
20
21
DC_RLY
44
43
SYS
PROTECT
Q803
XM603
32.768kHz
Q701
Q702
MICOM_UNSW
VREF
10
48
46
IC603
IXA248AW
SYSTEM
MICROCOMPUTER
IC805
AZ4558CME1L
1
4
18
21
Q804
Q602
17
20
22
3
5
8
VDD
1
10
11
14
16
~
2
4
5
2
1
3
10
11
~
~
1
2
6
8
7
47
50
16
22
24
25
25
IC806
LV5805
1
8
D801
3
38
D803
DZ803
Figure 4-1: BLOCK DIAGRAM (1/2)
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