HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
19
19
6-4. BLOCK DIAGRAM - AMP Section -
SYSTEM CONTROLLER
IC301 (4/5)
L-CH
SD
13
A/D CONVERTER
STREAM PROCESSOR
LI-N
31 DATA
6 SCKI
DOUT 9
30 BCK
BCK 8
29 LRCK
36 XFSIIN
48 XFSOIN
LRCK 7
OUTL1 11
DIGITAL POWER AMP
IC707
OUTL2 9
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
(HX50BTR/HX80R/HX90BTR)
DIGITAL POWER AMP
IC707
OVER LOAD
DETECT
Q702, 703
OVER LOAD
DETECT
Q752, 753
DIGITAL POWER AMP
IC708
3
4
(HX70BTR)
L.P.F.
L.P.F.
L.P.F.
L.P.F.
PROTECT
DETECT
Q701
R
L
+
–
+
–
SPEAKER
J860
: AUDIO
SIGNAL PATH
R-ch is omitted due to same as L-ch.