Block Diagram - Amp Section - Sony HCD-HX50BTR Service Manual

6-4.

BLOCK DIAGRAM - AMP Section -

A/D CONVERTER
IC701 (HX50BTR/HX80R/HX90BTR)
IC701 (HX70BTR)
L-CH
G
(Page 18)
13 LI-N DOUT 9
BCK 8
6 SCKI LRCK 7
CLOCK SHIFT
IC703
(HX50BTR/HX80R/HX90BTR)
IC703 (HX70BTR)
CLOCK BUFFER
X702
IC709
49.152MHz
(HX50BTR/HX80R/HX90BTR)
IC709 (HX70BTR)
SYSTEM CONTROLLER
IC301 (4/5)
S-MASTER DATA 39
S-MASTER SHIFT 40
S-MASTER LATCH 42
S-MASTER PG MUTE 27
S-MASTER SOFT MUTE 28
S-MASTER NSP MUTE 43
S-MASTER INIT 44
S-MASTER RST 37
S-MASTER SD 26
SD
H
(Page 20)
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
(HX50BTR/HX80R/HX90BTR)
STREAM PROCESSOR
IC705 (HX50BTR/HX80R/HX90BTR)
DIGITAL POWER AMP
IC705 (HX70BTR)
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 BP
17 AP
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
5 15 3
PROTECT
DETECT
Q701
IC707
OUT_B 29
OUT_B 30
OUT_A 25
OUT_A 26
4 3
IC708
OUT_B 29
OUT_B 30
OUT_A 25
OUT_A 26
R-ch is omitted due to same as L-ch.
SIGNAL PATH
4 3
: AUDIO
(HX70BTR)
19 19
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
J860
+
–
L
SPEAKER
+
R
–
OVER LOAD
DETECT DETECT
Q702, 703 Q752, 753