Block Diagram - Cpu, Display Section - Sony MEX-1HD Service Manual

MEX-1HD
6-2. BLOCK DIAGRAM – CPU, DISPLAY Section –
SH_D0 – SH_D15
H
(Page 27) DATA BUS
SH_A1 – SH_A20,
SH_A23 – SH_A25
I
(Page 27)
ADDRESS BUS
CPU/ATA INTERFACE
16Mbit SD-RAM
IC2003 (2/2)
IC2001
CLK 35 21 SD_CLK
UDQM 36 19 SD_DQMU
LDQM 14 18 SD_DQML
XCS 18 26 SD_XCS1
XRAS 17 25 SD_XRAS
XCAS 16 24 SD_XCAS
XWE 15 23 SD_XWE
XWE0, XWE1, XRD,
XCS5, XD1859_RST
F
(Page 27)
XWE0, XRD, XDACK0,
XCS2, XDREQ0, XUSB_RST
(Page 27) G
MS_PWR
(Page 27) E
XIDE_RST
(Page 27) B
DSP
IC3003
AV_HA1 75 112 HHWIL
X3002
AV_HA2 76 102 HCNTL0
37.5MHz
AV_HA3 77 103 HCNTL1
CLKIN 3
AV_BEND1 64 41 EXT_INT5
AV_BEND2 65 62 EXT_INT6
AV_BEND3 66 83 EXT_INT7
XRESET 13
XAV_DRQ1 68 97 TOUT0
XAV_DRQ2 69 89 TOUT1
XAV_DRQ3 70 130 DX1
XHCS 96
AV_HRXW 78 104 HR/XW
XHDS1 87
AV_CMD 81 42 EXT_INT4
XHRDY 111
XAV_HINT0 83 120 XHINT
COMPLEX PROGRAMMABLE
LOGIC DEVICE
IC3000
XAV_HRDY 72 5 PRDY XHRDY 31
XAV_HDS 74 7 XPDS XHDS 30
XAV_HCS0 79 6 XPCS XHCS 29
PGND 44
33
SH_XRST 153
SH_CKIO 160
SH_XIRL0 148
SH_XIRL1 149
SH_XIRL2 150
SH_XIRL3 151
SH_XBS 158
SH_XCS 162
SH_XWAIT 152
SH_XRDWR 155
XWE0 156
SH_XWE1 157
SH_XRD 154
CPU
IC1010
SH_D0 –
SH_D15
SH_A1 –
SH_A25
X1001
33.3333MHz
156 EXTAL
XCS0 96
CASL
186 XHB_RST CASL 108
XRAS3
XRAS3 106
XCS3
XCS3 99
CKE
CKE 105
DACK1 115
XCS6 102
XDREQ1 192
XWE0
XSYS_RST
FLD_ON 26
162 CKIO
8 XIRL0
FL_ON
FL_ON 28
9 XIRL1
ILL_ON
ILL_ON 30
10 XIRL2
11 XIRL3
SA_DATA
SA_DATA 200
SA_CLK
SA_CLK 159
87 XBS
D_MUTING
D_MUTING 190
100 XCS4
LED DRIVE
123 XWAIT
MS_ACS_LED 32
Q4203
93 RDXWR
89 XWE0/DQMLL
LED DRIVE
USB_ACS_LED 31
90 XWE1/DQMLU Q4204
88 XRD
XCS5
101 XCS5
XD1859_RST
187 XD1859_RST
XDACK0
114 XDACK0
XCS2
XCS2
98
SUB_TXD
XDREQ0
SUB_TXD 174
191 XDREQ0
SUB_RXD
XUSB_RST
SUB_RXD 168
185 XUSB_RST
SH_WDT
SH_WDT 188
180 MS_PWR
179 XIDE_RST
XSYS_RST
XSYS_RST 193
28 28
DATA BUS
ADDRESS BUS
SH_D0 – SH_A1 – SH_D0 –
SH_D15 SH_A22 SH_D15
2, 4, 5, 7, 8, 10, 11, 13, 42,
29-36, 38-45 1-10, 13, 16-25, 48
44, 45, 47, 48, 50, 51, 53
A0 – A21
DQ0 – DQ14,
DQ0 – DQ15
DQ15/A-1
64Mbit FLASH MEMORY
IC1030
26 28 12 11 16 38 15
DISPLAY CONTROLLER
IC5001
SH_D0 –
SOO 29 4 SI
SH_D15
FLUORESCENT
SCKO 28 9 CLK
INDICATOR TUBE
BKO 34 8 BK
LATO 31 7 LAT
SH_A1,
SH_A2
LED CONTROL
IC901
14 SI
33 DACKI
11 SCK
42 CS6I
12 RCK
40 DREQO
41 WEI
32 RSTI
OSCILLATOR
30 FL_DONI MCKI 43
IC5002
D4201
SYSTEM CONTROLLER
MEMORY
STICK
VOL ROTARY ENCODER 109 RE_LA
D4202
PUSH SOUND ENC900
110 RE_LB
I/O
107 RE_RA
.– +> ROTARY ENCODER
PUSH LIST ENC901 108 RE_RB
CN901 CN524
1 3
106 XNOSE_SW
SUB_TXD
LEVEL SHIFT
13 SUB_TXD/FLS_SO
IC601
SUB_RXD
LEVEL SHIFT 12 SUB_RXD/FLS_SI
SH_WDT
IC602
67 SH_WDT
82
FLS_ON
D524
7 XMAIN_RST
SH_A1 –
SH_A14
20-26, 29-35
A0 – A13
128Mbit SD-RAM
IC1020
39 17 18 19 37
FL+48V
F (+) 4.3V
F (–) 1.0V
FL900
LED DRIVE
Q900, 901,
Q909-911
D921-936, 947,
D950, D951, LSW901
FL_ON, ILL_ON,
FLD_ON
J
(Page 30)
SA_DATA, SA_CLK,
D_MUTING
K
(Page 29)
IC501 (1/3)