Denon DVM-1845/745, Руководство по обслуживанию

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DVM-1845/745
Digital Signal Process Block Diagram
CN201 CN201
IC101
(MICR
O CONTR
OLLER)
CD/D
VD
DETECT
OR
Q251,Q252
AMP
Q253,Q254
AMP
RF SIGNAL PR
OCESS
CIRCUIT
D
VD/CD
FORMA
TTER
A
UDIO
I/F
VIDEO I/F
NTSC/P
AL
ENCODER
DMA BCU
INST
.
RO
M
32BIT CPU
D
ATA
RAM
INTERR
UPT
CONTR
OLLER
W
A
TCH DOG
TIMER
CPU I/F
TIMER
DECODER I/F
CPU I/F
READ MEMOR
Y
D
ATA
RAM
DSP DECODER
I/O PR
OCESSOR
INST
.
RO
M
D
ATA
RAM INST
.
RO
M
SERIAL
D/A
GENERAL I/O INTERR
UPT
CONTR
OLLER
TIMER W
A
TCH DOG
TIMER REMO
TE
CONTR
OL
32BIT CPU
STREAM I/F
EXTERNAL MEMOR
Y
I/F
SDRAM
ECC
UMA
C
100 115 116 113 114 106 104 105 103 79
GND(D
VD-PD)
63
GND(CD-PD)
62
DEB
UG
BCU
INST CA
CHE
D
ATA
CA
CHE
D/A
131
139
Y(I/P)
C
VIDEO-Y(I/P)
VIDEO-C
SDRAM ADDRESS(0-10)
VIDEO SIGNAL
SDRAM D
A
T
A(0-15)
PICK-UP UNIT
D
V
D MAIN CB
A UNIT
TO VIDEO /A
UDIO
BLOCK DIA
GRAM
TO VIDEO /A
UDIO
BLOCK DIA
GRAM
IC501
(SDRAM)
SDRAM D
A
T
A(0-15)
SDRAM ADDRESS(0-10)
194 209
~
2
13 42 53
~
~
22 26 29 34
~ ~
159 178
~
99 98 97
A
UDIO SIGNAL
D/A D/A
129
130
Pr/Cr
Pb/Cb
VIDEO-Pr/Cr
VIDEO-Pb/Cb
EXADT (0-15), EADR (16-19)
FLASH RO
M
~
1 9
16 25 48
~
IC103
(FLASH R
OM)
29 36 38 45
~ ~
D TYPE LA
TCH
IC105
(LA
TCH)
2 9
~
12 19
~
D TYPE LA
TCH
IC104
(LA
TCH)
2 9
~
12 19
~
EXADT (0-15), EADR (16-19)
EXADT (1-8)
EXADT (0, 9-15)
EADR (1-8)
EADR (0, 9-15)
EADR (0-15)
EADR (16-19)
EXADT (0-15)
YC(0-7)
9
14 17 18
~ ~
I2C-SD
A
I2C-SCL
I2C-SD
A
I2C-SCL
46 47
152
SPDIF
151
PCM-D
A
T
A
0
149
PCM-BCK
150
PCM-LRCK
148
PCM-SCLK
D/A
138
Y(I)
VIDEO-Y(I)
TO A
UDIO
BLOCK DIA
GRAM
SPDIF
PCM-D
A
T
A
0
PCM-BCK
PCM-LRCK PCM-SCLK
16
16
C
18
18
D
17
17
A
15
15
B
19
19
CD/D
VD
10
10
CD-LD
8
8
D
VD-LD
7
7
PD-MONI
6
6
GND(D
VD-PD)
55
GND(CD-PD)
9
9
GND(LD)
10
CD-LD
8
D
VD-LD
9
GND(LD)
7
PD-MONI
6
GND(D
VD-PD)
5
GND(CD-PD)
CN5004
CN5005
16
C
18
D
17
A
CN5005
15
B 19
CD/D
VD
CN5004
RELA
Y CB
A