Video Block Diagram - Hitachi DV-P325U Service Manual

Video Block Diagram

DATA(VIDEO) SIGNAL DATA(AUDIO) SIGNAL
IC601 (DVD HOST PROCESSOR)
FROM DVD
6 PARA0
SIGNAL PROCESS
PARA0-PARA7
BLOCK DIAGRAM
13 PARA7
A-MUTE
191 A-MUTE
ADAC-MD
TO AUDIO 190
ADAC-MD
ADAC-MC
BLOCK DIAGRAM
189
ADAC-MC
ADAC-ML
192 ADAC-ML
IC602
(8Mbit FLASH MEMORY)
161
25
170
A0 ADDR1
16
ADDR1-ADDR20 173
8
A18 ADDR20
182
1
48
DQ0 29 141 DATA0
DATA0-DATA15
DQ15 45 158 DATA15
DQM0
WE 11 128
CS3
CE 26 132
OE 28 117 OE
1-10-4
VIDEO SIGNAL DATA(VIDEO/AUDIO) SIGNAL
CACHE
CPU
SUBSYSTEM
INTERNAL CENTRAL FRONT-END
PERIPHERALS COMMAND & LINK
PORTS PORT INTERFACE
ST20 ARBITER &
MEMORY CONTROLLER
SDRAM
I/F CD FIFO
BLOCK
MOVE
SDRAM ARBITER
OSD, SP
VIDEO VIDEO
DECODER
DECODER FILTERING
& MIXING
SHARED SDRAM INTERFACE
~ ~ ~ ~
66 73 58 63 84 93 97 102 77 76 79 80 78 74
~ ~ ~ ~
20 26 29 35 2 13 42 53 17 18 15 39 16 19
IC604
(64Mbit SDRAM)
PCM-BCK
51
PCM-DATA0
52
PCM-SCLK TO AUDIO
AUDIO
55
BLOCK
PCM-LRCLK
DECODER
56
DIAGRAM
SPDIF
57
CN701 CN1601
32 5 VIDEO-Y 5
33 9 VIDEO-C 9
WF3
DENC
CN701 CN1601
34 7 VIDEO-CVBS 7
25 3 VIDEO-U 3
27 1 VIDEO-V 1
DVD MAIN CBA UNIT
IC1402 (VIDEO DRIVER)
WF1
4dB 2dB
6 LPF DRIVER 27
AMP AMP
2
4dB 2dB
LPF DRIVER
33
AMP AMP
WF2
4dB 2dB
4 LPF DRIVER 30
AMP AMP
4dB 2dB
14 LPF DRIVER 21
AMP AMP
4dB 2dB
16 LPF DRIVER 18
AMP AMP
AV CBA
JK1401
S-VIDEO
OUT
Y C
3 4
1 2
JK1403
COMPOSITE
VIDEO OUT
VIDEO-U
OUT
VIDEO-V
OUT
VIDEO-Y
OUT