Sharp DV-NC200SB, Service Manual

Page: 51 / 133

1-13-2
Video Block Diagram
H9941BLV
IIC-B
US SD
A
IIC-B
US SCL
CYLINDER ASSEMBLY
VIDEO(R)-1
VIDEO-COM
VIDEO(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
C-ROTA
D-V-SYNC
H-A-SW
H-A-COMP
V-ENV
LUMINANCE SIGNAL PROCESS
CHROMINANCE SIGNAL PROCESS
V-ENV
H-A-COMP
H-A-SW
D-V-SYNC
RF-SW/C-ROTA
VIDEO (L)-1 HEAD VIDEO (L)-2 HEAD VIDEO (R)-2 HEAD
VIDEO(L)-2
VIDEO-COM
VIDEO(R)-2
4 5 6
TU701
(TUNER UNIT)
IC301
VIDEO SIGNAL PROCESS /HEAD AMP
IC501
(OSD)
REC-VIDEO SIGNAL
SERIAL
DECORDER
48 50 52 56
24
50
52
19 20
JK101
VIDEO-OUT1
VIDEO-IN1
61 63
96 95 94 93 90 89 88 87
CHARA. INS.
CCD 1H DELAY
SP
BYPASS
MUTE
PB/EE
IN2
FRONT
IN1
TUNER
MUTE
PB/EE
FRONT
IN2
FRONT
IN2
AGC
P
R
R Y C
P
RP
R
P
EP
Y. DELAY
Y/C MIX
+
21 79
78
AGC
VXO
OSD CHARACTER MIX
FBC
1/2
58
59 65
29
28
69
68
46
43
84 83 71 62 70
D-REC-H
80
BUFFER
Q104
DVD VCR
TP751
V-OUT
WF3
TP301
C-PB
WF2
VIDEO OUT
MAIN CBA
54
TP504
RF-SW
WF1
OUTPUT-SELECT
DVD-VIDEO
TO SERVO/SYSTEM CONTROL BLOCK DIAGRAM
TO SERVO/SYSTEM CONTROL BLOCK DIAGRAM
X301
4.43MHz
DA
V
N
-L
C-SYNC
C-SYNC
67
IC751
(OUTPUT SELECT)
4
3 5
11
10
9
SW CTL
IC631
(VPS)
VPS-V
IIC-B
US SD
A
DA
V
N
-L
IIC-B
US SCL
6
14
7
16
MODE: SP/REC
PB-VIDEO SIGNAL
DVD VIDEO SIGNAL
INPUT-SELECT
VIDEO-OUT2
8
VIDEO-IN2
8
10
10
JACK-A CBA
19 20
JK1402
VIDEO -OUT2 VIDEO -IN2
CN2017
CN2018
BUFFER
Q103
JK752 VIDEO -IN
IC1404
(SW)
TO DVD VIDEO/AUDIO BLOCK DIAGRAM <DVD SECTION>
DVD VCR
4
3 5
9
SW CTL
FR
ONT
DV-NC200S(S)
DV-NC200(RU), DV-NC200S(B)
55
COLOR -IN