Magnavox 19MDTR17, Service Manual, Page: 29 / 399

Digital Signal Process Block Diagram
TD857BLD
C 6
D 7
A 8
B 5
F 10
E 2
DVD-LD 14
CD-LD 12
PD-MONI 13
FS(+) 18
FS(-) 19
TS(+) 20
TS(-) 17
CN201
CN201
CN201
IC201
(SW)
IC105 (LATCH)
IC102 (SDRAM) IC101 (MICRO CONTROLLER)
FS
FS(+)
CD/DVD
FS(-)
TS(+)
TS(-)
TS
PICK-UP
UNIT
DETECTOR
CD/DVD 9
Q251,Q252
CD DVD
AMP
Q253,Q254
AMP
4
1 3
6
GND(DVD-PD) 15
GND(CD-PD) 16
GND(LD) 11
FROM DVD SYSTEM
CONTROL/SERVO
BLOCK
RF
SIGNAL
PROCESS
CIRCUIT
DVD/CD
FORMATTER
AUDIO
I/F
VIDEO
I/F NTSC/PAL
ENCODER
DMA
BCU
INST.
ROM
32BIT
CPU
DATA
ROM
INTERRUPT
CONTROLLER WATCH DOG
TIMER CPU
I/F
TIMER
DECODER
I/F
CPU
I/F READ
MEMORY
DATA
ROM
DSP
DECODER
PIXEL
OPERATION
I/O
PROCESSOR
INST.
ROM
DATA
ROM
INST.
ROM
DATA
ROM
INST.
ROM
SERIAL
D/A
GENERAL
I/O
INTERRUPT
CONTROLLER
TIMER
WATCH DOG
TIMER
32BIT CPU
STREAM
I/F
EXTERNAL
MEMORY
I/F SDRAM
ECC
UMAC
124
125
122
123
128
129
126
127
131
130
135
133
132
134
78
DEBUG
BCU
INST
CACHE
D TYPE
LATCH
DATA
CACHE
D/A
TO CHROMA
BLOCK
CN2401
158
164
Y
CN601
C
TO DVD
AUDIO
BLOCK
181
SPDIF
175
PCM-BCK
176
PCM-DATA0
174
PCM-LRCLK
EXADT (0-15), EXADR (16-19)
EXADT (0-15), EXADR (16-19)
EXADT (0-7)
EXADT (8-15)
EXADR (0-7)
EXADR (0-15) EXADR (8-15)
SDRAM DATA(0-31) SDRAM DATA(0-31)
SDRAM ADDRESS(0-10) SDRAM ADDRESS(0-10)
2
9
~
12
19
~
210
235
~
IC104 (LATCH)
D TYPE
LATCH
2
9
~
12
19
~
2
13
184
205
247
256
~
~
~
2
13
31
56
74
85
~
~
~
IC103 (FLASH ROM)
FLASH
ROM
29
36
38
45
~
~
DVD MAIN CBA UNIT
DATA(VIDEO/AUDIO) SIGNAL DVD VIDEO SIGNAL
DATA(AUDIO) SIGNAL
FOCUS SERVO SIGNAL TRACKING SERVO SIGNAL
24
27
60
66
~
~
EXADT (0-15)
EXADR (16-19)
~
1
9
16
25
48
~
1 DVD-Y
3 DVD-C
1-5-18 1-5-17
<TV/VCR SECTION>
" " = SMD
NOTE FOR WIRE CONNECTORS:
1. PREFIX SYMBOL "CN" MEANS CONNECTOR.
(CAN DISCONNECT AND RECONNECT.)
2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDER
HOLES OF THE PCB.
(WIRE IS SOLDERED DIRECTLY.)