Video Block Diagram - Hitachi DV-PF73U Service Manual

6-2 Video Block Diagram

TP751 V-OUT WF1
JK751
V-OUT
FROM
SERVO/SYSTEM
CONTROL BLOCK
DIAGRAM
TU701
VIDEO IN 6
VIDEO OUT 18
JK752
REAR
V-IN
FROM DVD
DVD-VIDEO
VIDEO/AUDIO
BLOCK DIAGRAM
<DVD SECTION>
JK753
FRONT
V-IN
FROM/TO
SERVO/SYSTEM
CONTROL BLOCK
DIAGRAM
(DECK ASSEMBLY)
VIDEO (R)-1 HEAD
VIDEO (L)-1 HEAD
VIDEO (L)-2 HEAD
VIDEO (R)-2 HEAD
CYLINDER ASSEMBLY
IC751 (OUTPUT SELECT)
Q391
VCR
1
15
BUFFER DVD
2
SW CTL
9 10 11
Q760
OUTPUT-SELECT
IC301 (Y/C PROCESS)
TUNER
42
REAR
38 V-AGC
FRONT
40
INSEL/ST-SL
71
D-PB-L
16 REC/EE/PB
D-REC-H
11 D-REC-H
TRICK-H
73 TRICK
C-SYNC
SYNC
34
SEPA
C-ROTA
14 C-ROTA
D-V SYNC
39 D-V SYNC
SP/LP/SLP
59 SP/LP/SLP
1
2
3
4
5
6
IC501 (OSD)
OSD CHARACTER
38
MIX
40
35
6dB
45
AMP
FBC
Y/C
MIX
R P
R
P
CL253
V(R)-1 91
V-COM 90
V(L)-1 89
V(L)-2 88
V-COM 85
V(R)-2 84
83
82
TP302
WF2 RF-SW
RF-SW
13
FROM/TO
V-ENV
SERVO/SYSTEM 93
H-A-SW
CONTROL BLOCK
15
DIAGRAM
H-A-COMP
94 H-A-COMP
REC VIDEO SIGNAL PB VIDEO SIGNAL
MAIN CBA
Q301
CCD 1H
47 49 BUFFER 44
DELAY
DOC YNR Y/C COMB
CHROMINANCE
SIGNAL PROCESS
R
L
SP
HPF
LP/EP
ENV
L
DET
R
DVD VIDEO SIGNAL MODE: SP/REC
LUMINANCE
SIGNAL PROCESS
AGC
AMP
R
P
74
TP301
C-PB
WF3
25