Magnavox MSD115 - Important Safeguards

1-1-2
Digital Signal Process Block Diagram
E6151BLD
C16 D18
A17 B15 E14
F12
DVD-LD 8
CD-LD 10
PD-MONI 7
FS(+) 2
FS(-) 3
TS(+) 1
TS(-) 4
CN201 CN201 CN201
IC201 (SW)
IC101 (MICRO CONTROLLER)
FS
FS(+)
CD/DVD
FS(-)
TS(+)
TS(-)
TS
DETECTOR
CD/DVD 19
Q251,Q252
CD DVD
AMP
Q253,Q254
AMP
4
1 3
6
GND(DVD-PD)
6
GND(CD-PD)
5
GND(LD)
9
RF SIGNAL PROCESS CIRCUIT
DVD/CD FORMATTER
AUDIO I/F VIDEO I/F
NTSC/PAL ENCODER
DMA BCU
INST. ROM
32BIT CPU
DATA RAM
INTERRUPT CONTROLLER
WATCH DOG TIMER
CPU I/F
TIMER
DECODER I/F
CPU I/F
READ MEMORY
DATA RAM
DSP DECODER
I/O PROCESSOR
INST. ROM DATA RAM INST. ROM
SERIAL
GENERAL I/O INTERRUPT CONTROLLER
TIMER WATCH DOG TIMER REMOTE CONTROL
32BIT CPU
STREAM I/F
EXTERNAL MEMORY I/F
SDRAM
ECC
UMAC
114 115 116 117 132 131 134 133 129 130
126 124 125 123
83
DEBUG
BCU
INST RAM
DATA RAM
177
SPDIF
170
PCM-BCK
171
PCM-DATA
169
PCM-LRCLK
23~51
SDRAM ADDRESS(0-10)
IC103 (FLASH ROM)
FLASH ROM
29 36 38 45
~
~
DATA(VIDEO/AUDIO) SIGNAL VIDEO SIGNAL
DATA(AUDIO) SIGNAL
FDQ (0-15)
~
1 9
16 25 48
~
192~212
FADR (0-19)
SDRAM DATA(0-15)
PICK-UP UNIT
TO SYSTEM CONTROL/SERVO BLOCK DIAGRAM
DVD MAIN CBA UNIT
TO VIDEO /AUDIO BLOCK DIAGRAM
IC501, IC502 (SDRAM)
SDRAM DATA(0-15)
SDRAM ADDRESS(0-10)
217 238
~
1
18
252 256
~~
2
12 39 49
~
~
20 24 27 32
~~
D/A D/A
149
158
Y(I/P)
C
VIDEO-Y(I/P)
VIDEO-C
TO VIDEO /AUDIO BLOCK DIAGRAM