31
31
HCD-U1BT
HCD-U1BT
6-4. BLOCK DIAGRAM — AMP SECTION —
SYSTEM CONTROLLER
IC107 (4/5)
L-CH
A/D CONVERTER
IC701
STREAM PROCESSOR
IC705
DIGITAL POWER AMP
IC707
3
15
5
X702
49.152MHz
OVER LOAD
DETECT
Q702, 703
OVER LOAD
DETECT
Q752, 753
L.P.F.
L.P.F.
L.P.F.
L.P.F.
PROTECT
DETECT
Q701
R
L
+
–
+
–
SPEAKER
J601
: AUDIO
Signal path
R-ch is omitted due to same as L-ch.
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299