HCD-SPZ50/SPZ70
17
17
HCD-SPZ50/SPZ70
SYSTEM CONTROLLER
IC1301 (3/4)
L-CH
1
A/D CONVERTER
STREAM PROCESSOR
LIN
31 DATA
15 SCKI
DOUT 12
30 BCK
BCK 11
29 LRCK
36 XFSIIN
48 XFSOIN
LRCK 12
OUTL1 11
DIGITAL POWER AMP
IC707
3
OUTL2 9
15
5
OUTR1 6
OUTR2 4
X702
49.152MHz
21 SCDT
22 SCSHIFT
23 SCLATCH
20 PGMUTE
19 SOFTMUTE
18 NSPMUTE
27 INIT
CLOCK SHIFT
CLOCK BUFFER
(SPZ50)
DIGITAL POWER AMP
IC707
OVER LOAD
DETECT
Q702, 703
OVER LOAD
DETECT
Q752, 753
DIGITAL POWER AMP
IC708
3
4
(SPZ70)
L.P.F.
L.P.F.
L.P.F.
L.P.F.
PROTECT
DETECT
Q701
R
L
+
–
+
–
SPEAKER
J860
: TUNER (FM/AM)
SIGNAL PATH
R-ch is omitted due to same as L-ch.
7-3. BLOCK DIAGRAM – AMP Section –
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
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299