Magnavox 19MDTR20 - Dvd-video Player, Service Manual

Page: 22 / 399

Video Block Diagram
1-5-3 1-5-4 TD857BLV
REC VIDEO SIGNAL PB VIDEO SIGNAL MODE: SP/REC
LUMINANCE
SIGNAL PROCESS
MAIN CBA
CL1401
Q1401
TP1402
V-OUT
V-AGC
R P
FBC
Y/C
MIX
CCD 1H
DELAY
R
P
DOC YNR Y/C COMB
CHROMINANCE
SIGNAL PROCESS
IC1401
VIDEO/AUDIO
SIGNAL PROCESS
35
42
38
17
CHARA
MIX
6dB
AMP
VXO
ENV
DET
AGC
AMP
HPF
FROM
SERVO/SYSTEM
CONTROL BLOCK
RF-SW
TP1401
WF1
TP1403
HA-MONITOR
BUFFER
DV-SYNC
SP/LP/SLP
ROTA
DV-SYNC
ROTA 14
36
16
71
39
59
73
SPL-PLAY
REC/EE/PB
RENTAL
SPL-PLAY
REC/EE/PB
RENTAL
42
EXT-H
74
45 47 49 44
Q1402
WF6
WF5
WF4
WF2
L
R
VIDEO (R)-1 HEAD
VIDEO (L)-1 HEAD
(DECK ASSEMBLY)
V(R)-1
V-COM
V(L)-1 9
8
7
V(L)-2
V-COM
V(R)-2 6
5
4
13
88
89
90
91
FROM/TO
SERVO/SYSTEM
CONTROL BLOCK
CYLINDER ASSEMBLY
R
L
RF-SW
93
V-ENV
V-H-SW
ENV-DET
ENV-DET
VIDEO (L)-2 HEAD
VIDEO (R)-2 HEAD
15
94
82
83
84
85
SP
EP
TO
CHROMA
BLOCK
62 61
X1401
3.58MHz
VIDEO
V-OUT
TV-
EXT-V-IN
VIDEO
TU1001
(TUNER UNIT)
JK1701
VIDEO-IN
SP/LP/SLP
BUFFER
NOTE FOR WIRE CONNECTORS:
1. PREFIX SYMBOL "CN" MEANS CONNECTOR.
(CAN DISCONNECT AND RECONNECT.)
2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDER
HOLES OF THE PCB.
(WIRE IS SOLDERED DIRECTLY.)
TEST POINT INFORMATION
:INDICATES A TEST POINT WITH A JUMPER WIRE ACROSS A HOLE IN THE PCB.
:USED TO INDICATE A TEST POINT WITH A COMPONENT LEAD ON FOIL SIDE.
:USED TO INDICATE A TEST POINT WITH NO TEST PIN.
:USED TO INDICATE A TEST POINT WITH A TEST PIN.