Block Diagram - Amp Section - Sony HCD-HPR90 - Receiver Component For Mini Hi-fi Systems Service Manual

6-3. BLOCK DIAGRAM – AMP Section –
A/D CONVERTER
IC701
L-CH
(Page 16) C
1 LIN DOUT 12
BCK 11
15 SCKI LRCK 12
CLOCK SHIFT
IC703
X702
CLOCK BUFFER
49.152MHz IC709
SYSTEM CONTROLLER
IC1301 (3/4)
S-MASTER DATA 70
S-MASTER SHIFT 71
S-MASTER LATCH 72
S-MASTER PG MUTE 66
S-MASTER SOFT MUTE 67
S-MASTER NSP MUTE 73
S-MASTER INIT 75
S-MASTER RST 68
S-MASTER SD 69
HCD-HPR90/HPR99XM
STREAM PROCESSOR DIGITAL POWER AMP
IC705
31 DATA OUTL1 11 2 BP
30 BCK
29 LRCK OUTL2 9 17 AP
36 XFSIIN
48 XFSOIN
DIGITAL POWER AMP
21 SCDT
22 SCSHIFT OUTR1 6 2 DP
23 SCLATCH
20 PGMUTE OUTR2 4 17 CP
19 SOFTMUTE
18 NSPMUTE
27 INIT
IC707
OUT_B 29 L.P.F.
OUT_B 30
OUT_A 25 L.P.F.
OUT_A 26
4 3
IC708
OUT_D 29 L.P.F.
OUT_D 30
OUT_C 25 L.P.F.
OUT_C 26
OVER LOAD OVER LOAD
DETECT DETECT
4 3
Q702, 703 Q752, 753
PROTECT
DETECT
Q701
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: TUNER (FM/AM)
17 17
HCD-HPR90/HPR99XM
J860
+
–
L
SPEAKER
+
R
–