Emerson EWV401B Service Manual page 17

Video Block Diagram
TP751
WF1
V-OUT
Q391
BUFFER
JK751
V-OUT
TYPE B
TU701
WF9
VIDEO-IN 6
J194
VIDEO-OUT 18
IC501
WF14
OSD-
31 31
CHARA-OUT
TYPE A
TU701
OSD-
WF9
30 30
BLUEBACK
VIDEO-IN 6
VIDEO-OUT 24
WF14
42
38
JK752
REAR V-IN
40
JK753
FRONT V-IN
INSEL/ST-SL
71
D-PB-H
16
D-REC-H
11
TRICK/C-G/APC
FROM/TO
73
SERVO/SYSTEM C-SYNC
34
CONTROL BLOCK
C-ROTA
14
D-V SYNC
39
SP/LP/SLP
59
BLUEBACK-ON
41
(DECK ASSEMBLY)
CYLINDER ASSEMBLY
VIDEO (R)-1 HEAD
VIDEO (L)-1 HEAD
VIDEO (L)-2 HEAD
VIDEO (R)-2 HEAD
1-8-3
NOTE: The Tuner Unit (TU701) is either type A or type B.
Wave Form will be different. It depends on the type
of tuner used on the unit you are servicing.
IC301
(Y/C PROCESS) 35
6dB
AMP
CHARA
MIX
BLUEBACK
FBC
Y/C
TUNER V-AGC
MIX
R P
REAR
FRONT
REC/EE/PB
R
D-REC-H
SYNC
TRICK/C-G/APC
SEPA
P
C-ROTA
D-V SYNC
SP/LP/SLP
BLUEBACK-ON
CL253
1 V(R)-1
2 V-COM
3 V(L)-1
V(L)-2
4
5 V-COM
V(R)-2
6
WF2
RF-SW
V-ENV
FROM/TO
SERVO/SYSTEM H-A-SW
CONTROL BLOCK
H-A-COMP
MAIN CBA
Q301
CCD 1H
45 47 49 BUFFER
DELAY
DOC YNR Y/C COMB
CHROMINANCE
SIGNAL PROCESS
91
R
90
L
89
88
SP
85
EP
84
83
L
82 R
TP302
RF-SW
13
93
15
94 H-A-COMP
REC VIDEO SIGNAL PB VIDEO SIGNAL
44
LUMINANCE
SIGNAL PROCESS
AGC
AMP
R
HPF
P
ENV
DET
74
TP301
C-PB
WF5
1-8-4
MODE: SP/REC
HB3J1BLV