Hitachi DV-PF7E Wartungshandbuch Seite 111

IC631 (VPS)
DAVN-L 14
IIC-BUS SDA 6
IIC-BUS SCL 7
VPS-V 16
TU701 (TUNER UNIT)
VIDEO 6
TU-VIDEO 24
JK752
FRONT
V-IN
TO DVD
VIDEO/AUDIO
DVD-VIDEO
BLOCK DIAGRAM
<DVD SECTION>
JK101
V-OUT1 19
20
V-IN1
JK1402 CN2018
CN2017
V-OUT2 19 8 V-OUT2 8
BUFFER
V-IN2 20 Q103 10 V-IN2 10
Q104
JACK-A CBA
BUFFER
TP751
V-OUT
WF3
IC501 (OSD)
OSD
50
CHARACTER
52
MIX
IC301
(Y/C SIGNAL PROCESS) 65 68
SERIAL
DECORDER
TUNER
48
BYPASS AGC
IN1
50
IN2
52
FRT
54
56 IN2
FRT
PB/EE
CHARA.
MUTE
INS.
TUNER
IN1
PB/EE
MUTE
FBC
R P
61
AGC
63
58 59
IC751
(OUTPUT SELECT)
DVD
3
4 VCR
5
SW CTL
9 10 11
OUTPUT-SELECT
TO SERVO/SYSTEM
CONTROL BLOCK DIAGRAM
DAVN-L
TO SERVO/SYSTEM
IIC-BUS SDA
CONTROL BLOCK
IIC-BUS SCL
DIAGRAM
69 46 43 78 79
Y. DELAY
R P
LUMINANCE
SIGNAL
PROCESS
Y
CCD 1H DELAY REC FM
+
1/2 AGC
C
CHROMINANCE RF-SW/C-ROTA
SIGNAL
PROCESS
R P R P
Y/C
MIX
VXO
28 29 21
TP301
X301
C-PB
4.43MHz
WF2
REC-VIDEO SIGNAL PB-VIDEO SIGNAL DVD VIDEO SIGNAL
MAIN CBA
(DECK ASSEMBLY)
CN251
V(R)-1
1
96
V-COM 2
SP
SP
95
V(L)-1 3
HEAD
94
AMP
EP V(L)-2 4
93
V-COM 5
V(R)-2
6
90
WF1
EP
89
HEAD
TP504
88
AMP
RF-SW
87
D-REC-H
D-REC-H 80
RF-SW
C-ROTA
70
D-V-SYNC
TO SERVO/SYSTEM
D-V-SYNC 62
CONTROL BLOCK
H-A-SW
H-A-SW 71
DIAGRAM
H-A-COMP
H-A-COMP 83
V-ENV
V-ENV 84
C-SYNC
C-SYNC 67
MODE: SP/REC
CYLINDER ASSEMBLY
VIDEO (R)-1
HEAD
VIDEO (L)-1
HEAD
VIDEO (L)-2
HEAD
VIDEO (R)-2
HEAD