L6415BLIF
BLOCK DIAGRAMS
6-1
6-2
58
73
75
16
63
56
32
SCL
CF31
CF32
VCO F/B
Q31
AFT
AGC-IN
EXT-H
PROTECT-2
PROTECT-1
PROTECT-3
P-ON-H
SDA
TUNER
LINE
FROM/TO
CRT/H.V. BLOCK
WH301A
TO
CRT/H.V. BLOCK
WH301B
BLUE
5
GREEN
4
RED
3
IF/Video/System Control Block Diagram
IC111
IC31 (IF SIGNAL PROCESS)
REMOTE
SENSOR
KEY
SWITCH
CHROMINANCE
PROCESS
CIRCUIT
LUMINANCE
PROCESS
CIRCUIT
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
11
53
46
45
38
37
ACL
H-DRIVE
FBP
V-DRIVE
V-RAMP-F/B
TO
AUDIO/POWER
CONTROL BLOCK
FROM/TO
POWER SUPPLY BLOCK
FROM
CRT/H.V. BLOCK
PROTECT-2
PROTECT-1
PROTECT-3
P-ON-H
KEY-IN2
DCT1903R
KEY-IN1
RCV-IN
RCV101
JK701
VIDEO-IN
24
X301
3.58MHz
SAW
FILTER
VIF
AMP
VIDEO
DET
VCO
4.5MHz
FILTER
LPF
IF AGC DET
EQ
AMP
RF
AGC
AMP
AFT
4.5MHz
TRAP
FM
DET
AF
AMP
20
14
16
22
7
21
5
3
8
1
11
TU1
SF1
IF
AGC
SDA
SCL
EXT.CLK
1
11
5
4
8
IC151
(MEMORY)
SCL 6
SDA 5
17
26
TU-AUDIO
52
51
50
MAIN CBA
VIDEO SIGNAL
RF/IF SIGNAL
AUDIO SIGNAL
TV MICON/VIDEO
/AUDIO/CHROMA
/DEFLECTION
67
68
76
79
DG-ON-H
DG-ON-H
74
69
66
70
WF16
WF1
WF6
SCL
SDA
FROM/TO
AUDIO/POWER
CONTROL BLOCK
WF2
PROTECT-2
PROTECT-1
SDA
4
I2C-OPEN
2
SCL
5
CN301
(NO CONNECTION)
CN301 is used for
adjustment at factory
7
CS
72 I2C-OPEN