Magnavox 19MDTR20 - Dvd-video Player, Service Manual

Page: 120 / 399

1-7-5
TV Process Block Diagram
T0006BLT
X301 3.58MHz
TP673 DV
D
-C
CN302
SA
W
FIL
TER
SF001
IC301
(CHR
OMA/DEFLECTION SIGNAL PR
OCESS)
TU001
IF
AG
C
SD
A
SCL
FSC
1
11
5 4 8
IC201 (SYSTEM CONTR
OL/OSD)
V
-SYNC
H-SYNC
OSD-R OSD-G
OSD-B
59 58 60 62 63 64
OSD-BLK
SIF
T
O
Hi-Fi A
U
DIO
BLOCK DIA
GRAM
TU-VIDEO
T
O
VIDEO
BLOCK DIA
GRAM
EXT
-V
-IN
T
O
VIDEO
BLOCK DIA
GRAM
T
O
DIGIT
AL
SIGNAL PR
OCESS
BLOCK DIA
GRAM
<D
VD SECTION>
CN601
VIDEO
T
O
CR
T/H.V
. BLOCK
DIA
GRAM CN504
T
O
CR
T/H.V
. BLOCK
DIA
G
RAM CN502
T
O
CR
T/H.V
. BLOCK
DIA
G
RAM CN503
2
GREEN
3 BLUE
SD
A
AFT SCL
Mode :
SP/REC
WF16 WF15
WF17
WF18
56
CV
-IN
4
MAIN CB
A
18 34 35
8 9
31 13 10 11 12 15 14
4 5 3 2
40 41
16
6
20 25 23 29
CHR
OMA
TRAP
SERIAL I/F INTELLIGENT MONIT
ORING
CHR
OMA
BPF
SYNC SEP
ARA
TION
LUMA SIGNAL PR
OCESS
CIRCUIT
CHR
OMA
SIGNAL PR
OCESS
CIRCUIT
H-SYNC PR
OCESS
CIRCUIT
V-
S
Y
N
C
PR
OCESS
CIRCUIT
OSD MIX/RBG MA
TRIX/
BLIGHT/DRIVE AMP/ HV BLANKING
TUNER TUNER
FIL
TER
TUNING
VXCO
CF031 CF032
IC001
(IF SIGNAL PR
OCESS)
VIF AMP
VIDEO DET
VCO
4.5MHz FIL
TER
LPF
IF A
GC DET
EQ AMP
RF AG
C
AMP
AFT
4.5MHz TRAP
SIF AMP
16 11 13 17
4
2 7
1 8
14
C-SYNC
LINE DV
D
VCR VCR LINE DV
D
RED
CN602
11
H-DRIVE
12
V
-DRIVE
10
AFC
CN301
19
V
-RAMP-FB
17
AC
L
CN301
CN503
3
DV
D
-C
4
3 4
CN1601
1 3
DV
D
-Y
28
Q403
BUFFER
TP301
BLUE
GREEN
RED
TP302
TP303
TP672 DV
D
-Y
REC VIDEO
SIGNAL
PB VIDEO
SIGNAL
D
V
D VIDEO
SIGNAL
REC A
UDIO SIGNAL
TO SYSTEM CONTROL/SERVO BLOCK DIAGRAM
NO
TE FOR
WIRE CONNECT
ORS:
1.
PREFIX SYMBOL "CN" MEANS CONNECT
OR.
(CAN DISCONNECT AND RECONNECT
.)
2.
PREFIX SYMBOL "CL" MEANS
WIRE-SOLDER
HOLES OF
THE PCB
.
(WIRE IS SOLDERED DIRECTL
Y
.)
TEST POINT INFORMA
TION
:INDICA
TES A
TEST POINT
WITH A JUMPER
WIRE A
C
R
OSS A HOLE IN
THE PCB
.
:USED
T
O
INDICA
TE A
TEST POINT
WITH A COMPONENT LEAD ON FOIL SIDE.
:USED
T
O
INDICA
TE A
TEST POINT
WITH NO
TEST PIN.
:USED
T
O
INDICA
TE A
TEST POINT
WITH A
TEST PIN.
" " = SMD
SUB CBA