Block Diagram - Digital Audio Section - Sony STR-DA4300ES Service Manual

6-3. BLOCK DIAGRAM – DIGITAL AUDIO Section –
SD01
SD02
SD03
SD04
(Page 26) 18
BCK
LRCK
DMPORT_TX 154 DMUART_DM/M
(Page 33) 19
DMPORT_RX 155 DMUART_M/DM
DMPORT_DET 156 DMPORT_DET
CEC_TX 47 CEC_M/DV
(Page 28) 20
CEC_RX 121 CEC_DV/M
POW-RY 75 POWER RY2
(Page 34) 21
STOP 82 STOP
STOP
140 VIDEO-UCOM_VM/M
GUI_TX
GUI_RX 141 VIDEO-UCOM_M/VM
22
(Page 29)
GUI_BUSY 142 VIDEO-UCOM_BUSY
GUI_MD 124 VIDEO-UCOM_MODE
GUI_FLG 125 VIDEO-UCOM_END-FLAG
136 VIDEO-UCOM_RESET
GUI_RST
XM_UART_TX 137 XM_XM/M
(Page 33) 23
XM_UART_RX 138 XM_M/XM
XM RESET 139 XM_RESET
24
(Page 34)
XM POW 3 XM_POW
SIRIUS_RX 148 SIRIUS_TX
25
(Page 33)
SIRIUS_TX 149 SIRIUS_RX
SI_POW_EN 77 SIRIUS-POW_EN
MD_DATA 144 M-D_DATA
51
MD_BUSY MD_BUSY
MD_INT 54 M-D_INT
DM_DATA 143 D-M_DATA
(Page 26) 17
DM_BUSY 52 DM_BUSY
MD2 50 DSP-UCOM_MODE
DRST_TRG 49 DSP-UCOM_END-FLAG
DUCOM_RESET 53 DSP-UCOM_RESET
STR-DA4300ES
LIP SYNC ADJUST
IC2223
4 DIA DOA 19
DOB 20
5 DIB
DOC 21
6 DIC
DOD 22
7 DID
DQ0 – DQ15 DQ1 – DQ16
A0 – A10, BA A0 – A11
WEN 43 15 WE
CSN 40 18 CS
CASN 42 16 CAS
RASN 41 17 RAS
UDQM
36
DQM 31 14 LDQM
CLKO 30 35 CLK
CKE 29 34 CKE
SI
10
SCLK 9
DMUTEN 14
3 BCKI
RSTN 15
2 MCKI
SIO 11
XCS
8
SYSTEM MUTING
BUFFER
IC2216
EEPROM
IC2007
EEPROM_SDA 174 5 SDA
175 6 SCL
EEPROM_SCL
X1 40
X2001
4MHz
X0 39
170 55 56 62
SYSTEM CONTROLLER
IC2003 (2/3)
SD-RAM
IC2224
DA DO
COM1_DATA
(Page 25) 14 COM1_CLK
DA LAT
DA RESET
D/A MCK
10 (Page 25)
ERR
SWICTH
ANA/DIGI
Q2205, 2206
STB +3.3V
RESET SIGNAL
GENERATOR
IC2005
RESET SWITCH
IC2004
RESET SIGNAL
BUFFER
IC2006
59 126 131
232C-SEL1 166
232C-SEL2 167
RS232C_MOUT 135
RS232C_MIN 134
BUFFER
MD2 128
IC2009
27 27
D/A CONVERTER
IC2218
VOUT1 14 D/A-L
45 DATA1
LOW-PASS
46 DATA2
FILTER
47 DATA3
IC2222
31 DATA4 VOUT2 13 R-CH
VOUT3 12 D/A-SL
LOW-PASS
FILTER
IC2221
VOUT4 11 R-CH
VOUT7 16 D/A-SBL
LOW-PASS
FILTER
IC2219
VOUT8 20 R-CH
VOUT5 10 D/A-C
LOW-PASS
FILTER
IC2220
VOUT6 9 D/A-SW
40 BCK
41 LRCK
38 SCKI
33 MDO
34 MDI
35 MC
36 ML
• R-CH is omitted due to same as L-CH.
37 RST
• SIGNAL PATH
D232C_RX
16
DATA SELECTOR
D232C_TX
IC2010
9 2Y 1Y 7 RX232C
2C1 11 27
2C2 12 TX232C
4 1C1
5 1C2 2C0 10
A B
14 2
RS-232C DRIVER
IC881
12 R1IN 13
R1OUT
LEVEL SHIFT
11 T1OUT 14
T1IN
IC2002
STR-DA4300ES
26 (Page 30)
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
(Page 26)
(Page 29)
J881
2
RS-232C
3