User's Manual

6-2
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