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HCD-HX3/HX5/HX7
21
21
HCD-HX3/HX5/HX7
6-4. Block Diagram – AMP Section –
SYSTEM CONTROLLER
IC301 (4/5)
L-CH
H
1
A/D CONVERTER
IC701 (HX3/HX7)
IC701 (HX5)
STREAM PROCESSOR
IC705 (HX3/HX7)
IC705 (HX5)
LIN
31 DATA
15 SCKI
DOUT 12
30 BCK
BCK 11
29 LRCK
36 XFSIIN
48 XFSOIN
LRCK 12
S-MASTER DATA 43
OUTL1 11
DIGITAL POWER AMP
IC707
4 PWM_A
6 PWM_B
16
3
PWM_D
/SD
14 PWM_C
OUT_A 33
OUT_B 30
OUT_D 22
OUT_C 25
OUTL2 9
15
/RST_CD
5
/RST_AB
OUTR1 6
OUTR2 4
X702
49.152MHz
21 SCDT
S-MASTER SHIFT 42
22 SCSHIFT
S-MASTER LATCH 33
23 SCLATCH
S-MASTER PG MUTE 47
20 PGMUTE
S-MASTER SOFT MUTE 7
19 SOFTMUTE
S-MASTER NSP MUTE 40
18 NSPMUTE
S-MASTER INIT 39
27 INIT
S-MASTER RST 45
S-MASTER SD 44
CLOCK SHIFT
IC703 (HX3/HX7)
IC703 (HX5)
CLOCK BUFFER
IC709 (HX3/HX7)
IC709 (HX5)
(HX3/HX7)
DIGITAL POWER AMP
IC707
2 BP
17 AP
3
/SD
OUT_B 29
OVER LOAD
DETECT
Q702, 703
OVER LOAD
DETECT
Q752, 753
OUT_A 25
OUT_B 30
OUT_A 26
4
/RST
DIGITAL POWER AMP
IC708
2 DP
17 CP
3
/SD
OUT_D 29
OUT_C 25
OUT_D 30
OUT_C 26
4
/RST
(HX5)
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.
(Page 20)
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