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6-2. BLOCK DIAGRAM – DIGITAL AUDIO Section (2/2) –
SDO1
SDO2
SDO3
(Page 12)
E
SDO4
BCK
LRCK
MCK
SD-RAM
IC2050
DIR XSTATE
D
(Page 12)
DIR ERR
119 A_D
109 SOT1
J871
RS-232C DRIVER
IC871
1
2
TXD
3
17
T1OUT
T1IN
13
DTR
4
16 R1IN
R1OUT
15
5
RS232C
6
7
8
9
STR-DA2100ES
LIP SYNC ADJUST
IC2010
66 FLFRI
SI
74
COM1-DAT
65 SLSRI
COM1-CLK
SCLK
72
64 CSWI
SO
75
T/A-SO
63 DLDRI
XCS
73
T/A-XCS
60 BCKI
XRST
70
T/A-XRST
59 LRCKI
68 CLK512
FLFRO
47
SLSRO
46
CSWO
45
DLDRO
44
DQ0 – 15
D0 – D15
A0 – 11
A0 – 11
WE
15
10 WE
CAS
16
11 CAS
RAS
17
12 RAS
CS
18
13 CS
CLK
35
14 CLK
CKE
34
15 CKE
(NC)
MUTING
SWICTH
Q1103 – 1105
120
91 90 89
88
93
5
45
MAIN SYSTEM
CONTROLLER
IC1101 (2/5)
69 DI
BUFFER
AND GATE
IC2104
55 RSTX
IC2105
B
(Page 12)
D/A CONVERTER
IC1452
VOUT1
14
45 DATA1
46 DATA2
47 DATA3
31 DATA4
VOUT2
13
40 BCK
41 LRCK
VOUT3
12
38 SCKI
VOUT4
11
VOUT5
10
DA DO
33 MDO
COM1-DATA
VOUT6
34 MDI
COM1-CLK
35 MC
DA LAT
36 HL
DA RST
VOUT7
16
37 RST (A_LOW)
VOUT8
20
BUFFER
IC2102 (1/3)
60
25
MD2
52
BUFFER
23 OUTHI2
IC2101 (1/2)
MD0
54
24 OUTLO2
SIN1
110
BUFFER
26 URATIN
IC2102 (2/3)
D.DO
70
25 ENDFLG
SUB SYSTEM
CONTROLLER
BUFFER
19 RESETC
IC2101 (2/2)
13
13
• R-CH is omitted due to same as L-CH.
• SIGNAL PATH
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
SL OUT
LINE AMP
IC1405
R-CH
SW OUT
LINE AMP
IC1404
C OUT
F
L OUT
LINE AMP
IC1403
9
R-CH
SBL OUT
LINE AMP
IC1406
R-CH
SUB_T
RY
STOP
G
(Page 18)
D2702
PW_RY
RESET SIGNAL
RESET
14
GENERATOR
IC2051
IC2048
XIN
15
X2003
7.28MHz
XOUT
16
STR-DA2100ES
(Page 14)
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