Block Diagram - Amp Section - Sony HCD-HX7 - Compact Disc Receiver Service Manual

6-4. Block Diagram – AMP Section –
A/D CONVERTER
IC701 (HX3/HX7)
IC701 (HX5)
L-CH
H
1 LIN DOUT 12
BCK 11
(Page 20)
15 SCKI LRCK 12
CLOCK SHIFT
IC703 (HX3/HX7)
IC703 (HX5)
CLOCK BUFFER
X702
IC709 (HX3/HX7)
49.152MHz
IC709 (HX5)
SYSTEM CONTROLLER
IC301 (4/5)
S-MASTER DATA 43
S-MASTER SHIFT 42
S-MASTER LATCH 33
S-MASTER PG MUTE 47
S-MASTER SOFT MUTE 7
S-MASTER NSP MUTE 40
S-MASTER INIT 39
S-MASTER RST 45
S-MASTER SD 44
HCD-HX3/HX5/HX7
(HX3/HX7)
STREAM PROCESSOR
IC705 (HX3/HX7)
DIGITAL POWER AMP
IC705 (HX5)
31 DATA OUTL1 11 4 PWM_A
30 BCK
29 LRCK OUTL2 9 6 PWM_B
OUTR1 6 14 PWM_C
36 XFSIIN
48 XFSOIN OUTR2 4 16 PWM_D
DIGITAL POWER AMP
21 SCDT
22 SCSHIFT 2 BP
23 SCLATCH
20 PGMUTE 17 AP
19 SOFTMUTE
18 NSPMUTE
27 INIT
DIGITAL POWER AMP
2 DP
17 CP
IC707
OUT_A 33 L.P.F.
OUT_B 30 L.P.F.
OUT_C 25 L.P.F.
OUT_D 22 L.P.F.
OVER LOAD
DETECT
5 15 3
Q702, 703
PROTECT
DETECT
Q701
IC707
OUT_B 29
OUT_B 30
OUT_A 25
OUT_A 26
4 3
IC708
OUT_D 29
OUT_D 30
OUT_C 25
OUT_C 26
4 3
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: AUDIO
(HX5)
21 21
J860
+
–
L
SPEAKER
+
R
–
OVER LOAD
DETECT
Q752, 753
HCD-HX3/HX5/HX7