Video Block Diagram - Hitachi DV-PF2U Service Manual

Video Block Diagram

NOTE: The Tuner Unit (TU701) is either type A or type B.
TP751 V-OUT WF1
JK751
V-OUT
TYPE A
TO
TU701
SERVO/SYSTEM
CONTROL BLOCK
VIDEO-IN 6
DIAGRAM
VIDEO-OUT 24
TYPE B
TU701
VIDEO-IN 6
VIDEO-OUT 18
JK752
REAR
V-IN
JACK CBA
CN651 CN505
JK753 7 V-IN-F 7
FRONT
V-IN
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
4-2-2
IC751 (OUTPUT SELECT)
Q391
DVD
1
15
BUFFER VCR
2
SW CTL
9 10 11
Q760
OUTPUT SELECT
IC301 (Y/C PROCESS)
IC501
OSD-
31 31
CHARA-OUT
OSD- BLUEBACK
30 30
BLUEBACK
TUNER V-AGC
42
REAR
38
FRONT
40
INSEL/ST-SL
71
D-PB-H
16 REC/EE/PB
R
SYNC
D-REC-H
SEPA
11 D-REC-H
P
TRICK-H
73 TRICK/C-G/APC
C-SYNC
34
C-ROTA
14 C-ROTA
D-V SYNC
39 D-V SYNC
SP/LP/SLP
59 SP/LP/SLP
BLUEBACK-ON
41 BLUEBACK-ON
1
2
3
4
5
6
TO DVD VIDEO
DVD-VIDEO
BLOCK DIAGRAM
<DVD SECTION>
35
6dB
45
AMP
CHARA
MIX
FBC
Y/C
MIX
R P
CN251
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
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
MODE: SP/REC
LUMINANCE
SIGNAL PROCESS
AGC
AMP
R
P
74
TP301
C-PB
WF3