Block Diagram - Digital Ab Section - Sony STR-KM5500 Service Manual

6-2. BLOCK DIAGRAM – DIGITAL AB Section –
TUNER/
L-IN
AUDIO
SECTION
R-IN
(Page 18)
IC1303
J1301
DVD WAVE
3
SHAPER
IN
(COAXIAL)
OPTICAL
RECEIVER
IC1351
SAT
DIGITAL
IN OUT 1
(OPTICAL)
OPTICAL
RECEIVER
IC1352
BD IN
OUT 1
(OPTICAL)
12.288MHz
TEMP
SENSOR
IC4903
2
TEMP
SENSOR
IC4902
2
STR-KM5500
ADC
IC1401
VINL
13
DIGITAL
DOUT
ΔΣ
9
DECIM.
MOD.
VINR
FILTER
14
6 8 7
1
DIGITAL AUDIO
I/F RECEIVER
IC1201
27 16
RX3
2 5
DATA
INPUT
DEMODULATOR
RX6
10
Pa,Pb DETECTION LOCK
DETECTION
C bit DETECTION
MICROPROCESSOR
I/F
RX4
8
28
XOUT
X1301
29 XIN
40 39 38 37 34 41
VDD
+3.3V
95 96 97 98 94 93
Temp Sensor 1
46
DIR
Temp Sensor 2
44
DSP EX3
IC1501
79 DSPIB DPSOA_DAI_P6
78 DSPIA DPSOC_DAI_P8
DPSOB_DAI_P7
DPSOB_DAI_P9 71
SWITCH
IC1014
CK Q 5
AUDIO 33 NONAUDIO
97
CLKIN 142
DPFSCK
94
XTAL 143
RBCK 17 BCK IN
89
RLRCK 20 88 LRCK IN
RDATA
21
D1101
RERR
36 16
FLAG1
BCK OUT 87
LRCK OUT 86
+1.2V
VDDI
+3.3V
VDDE
121 122 125 126 127 15
1 99 8 21 20 18 19 47
SYSTEM
CONTROL
IC1101 (2/6)
19 19
6CH DAC
IC1452
DIN3
64 9 DAC
70
65
DIN2
DAC
8
DIN1
DAC
7
X1302
25MHz
DNC
DAC
10
2 MCK
3 BCK
4 LRCK
14 13 12
57 15 14 13
DAC
STR-KM5500
VO3L
25 FL OUT
VO3R
26 R-CH
VO1L
21 SL OUT
TUNER/
VO1R AUDIO
22 R-CH
SECTION
(Page 18)
VO2L
23 C OUT
VO2R
24 SW OUT
VO4L
19 SB OUT
IC2210
+5V
+5V 4 5 +7V
REG
11
IC1905
+3.3V
+3.3V
3 1 +5.8V
REG
IC1002
+1.2V
+1.2V 3 1
REG
12
• Signal path
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
• R-ch is omitted due to
same as L-ch.