Sony CMT-HX3 Service Manual page 137

2-6-3. BLOCK DIAGRAM – AMP/USB Section –
A/D CONVERTER
IC701
L-CH
D
13 IN_L DOUT 9 31 DATA
BCK 8 30 BCK
(Page 26)
6 SCKI LRCK 7 29 LRCK
36 XFSIIN
48 XFSOIN
CLOCK
SHIFT
IC703
CLOCK
X702
BUFFER
49.152MHz
IC709
CN902
(USB)
3
D+
79 D+
2
D–
80 D–
VBUS POWER
ON/OFF SWITCH
IC915
1
VBUS
VBUS
5 OUT IN 4
+5V
EN FLG
1 3
77 USBOC
78 USBPON
S-RAM
IC921
CE 6 70 CS2
OE 41 64 RD
WE 17 65 WR
LB 39 66 SRLLB
UB 40 67 SRLUB
HCD-HX3/HX5/HX7
STREAM PROCESSOR DIGITAL POWER AMP
IC705 IC707
OUTL1 11 4 PWM_A OUT_A 33
OUTL2 9 6 PWM_B OUT_B 30
OUTR1 6 14 PWM_C OUT_C 25
OUTR2 4 16 PWM_D OUT_D 22
5 15 3
SCDT 21
SCSHIFT 22
SCLATCH 23
PGMUTE 20
SOFTMUTE 19
NSPMUTE 18
INIT 27
USB CONTROLLER
IC901
DATA
DATA 85
CLOCK
CLOCK 86
A-IN
DATA 93
BCK
BCK 92
LRCK
LRCK 71
GATE
GATE 94
ST-REQ
ST-REQ 97
BUS0
BUS0 55
BUS1
BUS1 56
BUS2
BUS2 57
BUS3
BUS3 58
BUCK
/BUCK 59
CCE
/CCE 60
REQ
REQ 96
RXD1 88
TXD1 87
DI 2
DO 84
/RESET 1
X1 X2
75 73
X901
9MHz
J860
+
L.P.F.
–
L.P.F.
L
+
R
L.P.F.
–
L.P.F.
OVER LOAD OVER LOAD
DETECT DETECT
Q702, 703 Q752, 753
SYSTEM CONTROLLER
IC301 (3/4)
PROTECT
DETECT 44 S-MASTER SD
Q701
45 S-MASTER RST
43 S-MASTER DATA
42 S-MASTER SHIFT
33 S-MASTER LATCH
47 S-MASTER PG MUTE
7 S-MASTER SOFT MUTE
40 S-MASTER NSP MUTE
39 S-MASTER INIT
35 USB TXD/SAT TXD
36 USB RXD/SAT RXD
38 USB_RTS
37 USB_CTS
27 USB RESET
R-ch is omitted due to same as L-ch.
SIGNAL PATH
27 27
SPEAKER
DATA, CLOCK,
A-IN, BCK, LRCK,
GATE, ST-REQ
B
(Page 25)
BUS0 – BUS3,
BUCK, CCE, REQ
C
(Page 25)
: AUDIO
: CD PLAY
: USB
HCD-HX3/HX5/HX7