Sharp DV-NC100X, Service Manual

Page: 38 / 117

1-11-2
Video Block Diagram
H9745BLV
FBC
VXO
Y/C MIX
AMP
CCD 1H
DELAY
PB FM
AGC
RP RP
67
66
45
X302 4.43MHz
Q307
BUFFER
Q304
BUFFER
72
71
57
59
54
52
51
61
BPF D.E.
C-COMB
Q302, Q303
PEAKING AMP
EE
AGC
PB
FM-EQ
IIC-B
US SD
A
IIC-B
US SCL
CYLINDER ASSEMBLY
V(R)-1
V-COM
V(L)-1 CN251
1 2 3
(DECK ASSEMBLY)
VIDEO (R)-1 HEAD
SP HEAD AMP EP HEAD AMP
REC FM AGC
TO SERVO/SYSTEM CONTROL BLOCK DIAGRAM
TO SERVO/SYSTEM CONTROL BLOCK DIAGRAM
RF-SW
D-REC-H
H-A-SW
D-V-SYNC
C-ROTA
H-A-COMP
V-ENV
LUMINANCE SIGNAL PROCESS CHROMINANCE SIGNAL PROCESS
H-A-COMP
C-ROTA
D-V-SYNC
RF-SW/H-A-SW
VIDEO (L)-1 HEAD VIDEO (L)-2 HEAD VIDEO (R)-2 HEAD
V(L)-2
V-COM
V(R)-2
4 5 6
TU701
IC301 (Y/C SIGNAL PROCESS)
IC501
(OSD)
REC-VIDEO SIGNAL SERIAL
DECORDER
24
6
50
52
91 90 88 85 84 82
SP EP
+
74
OSD CHARACTER MIX
29
23
24
94 28 10 27 11
D-REC-H
30
BUFFER
Q305
DVD
VCR
TP751
V-OUT
WF3
TP301
C-PB
WF2
TU-VIDEO
VIDEO
MAIN CBA
TP504
RF-SW
WF1
OUTPUT-SELECT
DVD-VIDEO
TO SERVO/SYSTEM CONTROL BLOCK DIAGRAM
C-SYNC
C-SYNC
93
IC751 (OUTPUT SELECT)
4
11
10
9
SW CTL
(TUNER UNIT)
MODE: SP/REC
PB-VIDEO SIGNAL
DVD VIDEO SIGNAL
JK752 V-IN
TO DVD VIDEO/AUDIO BLOCK DIAGRAM <DVD SECTION>
IC1404
FR
ONT
JK751 V-OUT
FR
ONT
3 5
JK753 V-IN
FR
ONT
32
31
ENV-DET
18
19
17
21
20
46
41
43
49
38 36 34
DVD VCR
(INPUT SELECT)
4
3 5
9
SW CTL
INPUT-SELECT
VXO
64
63
X301
3.58MHz