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L2401BLIF
IF/Video Block Diagram
58
16
56
32
30
SCL
CF31
CF32
VCO F/B
Q31
AGC
SDA
CPN.
CPS.
CPS.
CPN.
TUNER
LINE
S-SW
TO
CRT/H.V. BLOCK
WH301A
TO
CRT/H.V. BLOCK
WH301B
BLUE5
GREEN4
RED3
IC31 (IF SIGNAL PROCESS)
CHROMINANCE
PROCESS
CIRCUIT
LUMINANCE
PROCESS
CIRCUIT
CHROMA COMB
BASEBAND TINT
H-SYNC
PROCESS
CIRCUIT
V-SYNC
PROCESS
CIRCUIT
VCXO
OSD
RGB MATRIX
/COLOR CONT
OSD SW
CONTRAST
BRIGHTNESS
RGB DRIVE
/CUT OFF
/H.V. BLK
LPF
14
29
11
61
53
46
45
38
37
ACL
H-DRIVE
FBP-IN
RAMP-OUT
V-RAMP-F/B
SAW
FILTER
VIF
AMP
VIDEO
DET
VCO
4.5MHz
FILTER
LPF
IF AGC DET
EQ
AMP
RF
AGC
AMP
AFT
4.5MHz
TRAP
SIF
AMP
16
11
13
18
6
17
4
2
7
1
8
TU11
SF11
IF
AGC
SDA
SCL
EXT.CLK
1
11
5
4
8
14
26
SIF
52
51
50
MAIN CBA
VIDEO SIGNALRF/IF SIGNAL
AUDIO SIGNAL
WF16
WF2
TO
AUDIO BLOCK
IC111
TV MICON/VIDEO
/AUDIO/CHROMA
/DEFLECTION
JK721
S-VIDEO-IN
CY
INPUT0
X301
3.58MHz
TO
SYSTEM
CONTROL
BLOCK
JK701
VIDEO-IN
(FRONT)
WF1
AFT-IN
24