Mitsubishi DD-8050, Руководство по обслуживанию

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1-7-2
Digital Signal Process Block Diagram
E5932BLD
C1
6
D1
8
A1
7
B1
5
E1
4
F1
2
D
V
D-LD
8
CD-LD
10
PD-MONI
7
FS(+)
2
FS(-)
3
TS(+)
1
TS(-)
4 CN201 CN201 CN201
IC201 (SW)
ICS04
(SDRAM)
IC101
(MICR
O CONTR
OLLER)
FS
FS(+)
CLK33M
CD/D
VD
FSEL
FS(-)
TS(+)
TS(-)
TS
DETECT
O
R
CD/D
VD
19
Q251,Q252
CD
D
V
D
AMP
Q253,Q254
AMP
4
1
3
6
GND(D
VD-PD)
6
GND(CD-PD)
5
GND(LD)
9
RF SIGNAL PR
OCESS
CIRCUIT
D
V
D/CD
FORMA
TTER
A
U
DIO
I/F VIDEO I/F
NTSC/P
AL
ENCODER
DMA BCU
INST
.
RO
M
32BIT CPU
DA
T
A
RAM
INTERR
UPT
CONTR
OLLER
W
A
TCH DOG
TIMER
CPU I/F
TIMER
DECODER I/F
CPU I/F
READ MEMOR
Y
DA
T
A
RAM
DSP DECODER
I/O PR
OCESSOR
INST
.
RO
M
DA
T
A
RAM INST
.
RO
M
SERIAL
D/A
GENERAL I/O INTERR
UPT
CONTR
O
LLER
TIMER W
A
TCH DOG
TIMER REMO
T
E
CONTR
OL 32BIT CPU
STREAM I/F
EXTERNAL MEMOR
Y
I/F
SDRAM
ECC
UMA
C
114 115 116 117 132 131 134 133 129 130 126 124 125 123
83
DEB
UG
BCU
INST RAM
DA
T
A
RAM
D/A D/A D/A
156 158
Y(I)
C
Cr/Pr
Cb/Pb
VIDEO-Y(I)
VIDEO-C
VIDEO-Cr/Pr
VIDEO-Cb/Pb
177
SD0/SPDIF
176
SD1
175
SD2
174
SD3
171
SD4
170
SD5
169
SD6
SD0/SPDIF
SD1 SD2 SD3 SD4 SD5 SD6
163
SD7
187
XSHD
186
XSAK
185
SDCK
XSHD
XSAK
SDCK
189
RESET
168
XSRQ
188
SDEF
RESET
XSRQ
SDEF
88
PSP-WCK
55
SA
CD-READ
Y
58
SA
CD-D
A
T
A
PSP-WCK
SA
CD-READ
Y
SA
CD-D
A
T
A
54
SA
CD-LA
TCH
SA
CD-LA
TCH
SA
CD
68
SA
CD
152 151
SDRAM D
A
T
A
(0-31)
SDRAM ADDRESS(0-11)
SDRAM ADDRESS(0-11)
217 238
~
1
18
192 212 252 256
~ ~ ~
2
13 31 42 45 56 74 85
~ ~ ~
D
A
T
A(VIDEO/A
UDIO) SIGNAL
VIDEO SIGNAL
D
A
T
A(A
UDIO) SIGNAL
21 27 60 66
~ ~
SDRAM D
A
T
A
(0-15)
D/A
149
Y
VIDEO-Y
PICK-UP UNIT
T
O
SYSTEM
CONTR
OL/SER
V
O
BLOCK DIA
GRAM
T
O
SA
CD
BLOCK DIA
GRAM
27MHz OSC 27MHz CLOCK
X'T
AL
OSC
CLK GENE.
X101
D
V
D MAIN CB
A UNIT
T
O
VIDEO
BLOCK DIA
GRAM
T
O
SA
CD
BLOCK DIA
GRAM
T
O
A
U
DIO
BLOCK DIA
GRAM
ICS13
(LA
TCH)
D TYPE LA
TCH
EXADT (0-15), EADR (16-19)
EXADT (0-15), EADR (16-19) EXADT (0-7) EXADT (8-15)
EADR (0-7)
EADR (0-15)
EADR (8-15)
2 9
~
12 19
~
ICS14
(LA
TCH)
D TYPE LA
TCH
2 9
~
12 19
~
FLASH RO
M
29 36 38 45
~
~
EXADT (0-15) EADR (16-19)
~
1 9
16 25 48
~
166
165
69
ICS06
ICS03
4
9
14
1 2
7
~
IC103
(FLASH R
O
M)
+3.3V
(AND GA
TE)
(CLOCK GENERA
T
O
R)