Video Block Diagram - Hitachi VT-FX795A Service Manual

6-2 Video Block Diagram

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