Video Block Diagram - Hitachi DV-PF7E Service Manual

IC503 (SDRAM)
22
26
SDRAM ADDRESS(0-11)
29
35
SDRAM
2
13
SDRAM DATA(0-15)
42
53
CN201
C 16
D 18
A 17
DETECTOR
B 15
E 14
F 12
CD/DVD 19
CN201 Q253,Q254
CD-LD 10 AMP
DVD-LD 8 AMP
Q251,Q252
PD-MONI 7
GND(DVD-PD) 6
GND(CD-PD) 5
GND(LD) 9
1 3
CD DVD
6
4
IC201
(SW)
TS FS
CN201
FS(+)
FS(+) 2
FS(-)
TO DVD SYSTEM
FS(-) 3
CONTROL/SERVO
TS(+)
TS(+) 1
BLOCK DIAGRAM
TS(-)
TS(-) 4
PICK-UP
UNIT
DVD MAIN CBA
IC101 (MICRO CONTROLLER)
217
SDRAM ADDRESS(0-10)
238
EXTERNAL
MEMORY
I/F
1
DECODER
ECC
18
I/F
SDRAM DATA(0-15)
252
256
114
115
116
DMA
117
RF
132 SIGNAL DVD/CD
FORMATTER
PROCESS
131
CIRCUIT
134
133
BCU
129
130
INST.
ROM
126 32BIT
CPU
124
DATA
125
RAM
123
INTERRUPT WATCH DOG CPU
TIMER
CONTROLLER TIMER I/F
CD/DVD
83
DATA(VIDEO/AUDIO) SIGNAL
DSP
DECODER
STREAM
I/F
I/O
PROCESSOR
UMAC
SERIAL
GENERAL
READ CPU
I/O
MEMORY I/F
INTERRUPT
CONTROLLER
TIMER
WATCH DOG
TIMER
REMOTE
CONTROL
BCU 32BIT CPU
INST
DEBUG
RAM
192~212 23~51
DVD VIDEO SIGNAL DATA(AUDIO) SIGNAL
DATA
RAM
INST.
ROM
DATA
RAM
INST.
ROM
177
170
AUDIO
171
I/F
169
D/A 156
D/A 158
VIDEO NTSC/PAL
D/A 152
I/F ENCODER
VIDEO-B/Cb/Pb
D/A 151
VIDEO-G/Y(I/P)
D/A 149
DATA
RAM
FADR (0-19)
FDQ (0-15)
SPDIF
TO DVD
PCM-BCK
VIDEO
/AUDIO
PCM-DATA
BLOCK
PCM-LRCLK
DIAGRAM
VIDEO-Y(I)
VIDEO-C
TO DVD
VIDEO
/AUDIO
VIDEO-R/Cr/Pr
BLOCK
DIAGRAM
IC103 (FLASH ROM)
1
9
16
25
48
FLASH
ROM
29
36
38
45