Magnavox MWC20T6 - Page 33

1-10-4
TV Process Block Diagram
T1202BLT
X1301 3.58MHz
CN1301
SAW FILTER
SF1001
IC1301(CHROMA/DEFLECTION SIGNAL PROCESS)
TU1001
IF
AGC
SDA
SCL
FSC
1 7
3
2 5
IC1201 (SYSTEM CONTROL/OSD)
V-SYNC
H-SYNC
OSD-R
OSD-G
OSD-B
59 58 60 62 63 64
OSD-BLK
EXT-V-IN
TO VIDEO BLOCK DIAGRAM TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM <DVD SECTION> CN2A
VIDEO
TO CRT/H.V. BLOCK DIAGRAM CN2503
TO CRT/H.V. BLOCK DIAGRAM CN2503
3
GREEN4 BLUE
SDA
AFT
SCL
Mode : SP/REC
WF16
WF15
WF17 WF18
56
CV-IN
5
MAIN CBA
SUB CBA
18 34 35
8 9
31 13 10 11 12 15 14
4 5 3 2
40 41
16
6
20 25 23 29
CHROMA TRAP
SERIAL I/F
INTELLIGENT MONITORING
CHROMA BPF
SYNC SEPARATION
LUMA SIGNAL PROCESS CIRCUIT
CHROMA SIGNAL PROCESS CIRCUIT
H-SYNC PROCESS CIRCUIT
V-SYNC PROCESS CIRCUIT
OSD MIX/RBG MATRIX/ BLIGHT/DRIVE AMP/ HV BLANKING
TUNER
TUNER
FILTER TUNING
VXCO
16
11
13
17 14
C-SYNC
SPOT-KILL
LINE DVD VCR VCR LINE DVD
RED
CN1301
7
H-DRIVE1 V-DRIVE
8
AFC
2
V-RAMP-NF9
ACL
CN1301 CN2503
10
DVD-C11
10 11
CN2
8 6
DVD-Y
28
Q1403
BUFFER
TP1301
BLUE GREEN RED
TP1302 TP1303
REC VIDEO SIGNAL
PB VIDEO SIGNAL
DVD VIDEO SIGNAL
REC AUDIO SIGNAL
TO SYSTEM CONTROL/SERVO BLOCK DIAGRAM
+5.7V REG.
27
30
+8V
+5V-CTRL
TO POWER SUPPLY BLOCK DIAGRAM
Q1350
P-ON+8V
DVD-Y
TP2513
DVD-C
TP2512
TP1306 V-RAMP
TP1304 V-DRIVE
TP1305
H-OUT
WF9
SIF
TU-VIDEO
CF1031 CF1032
IC1001 (IF SIGNAL PROCESS)
VIF AMP
VIDEO DET
VCO
4.5MHz FILTER
LPF
IF AGC DET
EQ AMP
RF AGC
AMP
AFT
4.5MHz TRAP
AF AMP
4
2 7
1 9
TO AUDIO BLOCK DIAGRAM
TO VIDEO BLOCK DIAGRAM