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L6650BLS
BLOCK DIAGRAMS
6-1 6-2
58
73
75
63
62
80
56
SCL
AFT
AGC
AFT
AGC
INPUT0
INPUT1
PROTECT-2
PROTECT-1
PROTECT-3
P-ON-H
SDA
System Control Block Diagram
REMOTE
SENSOR
KEY
SWITCH
74
28
18
40
DG-ON-H
+5V CTRL
+5V CTRL2
+8V CTRL
DG-ON-H
+5V CTRL
+5V CTRL2
+8V CTRL
FROM/TO
POWER
SUPPLY BLOCK
FROM/TO
CRT/H.V. BLOCK
PROTECT-2
PROTECT-1
PROTECT-3
P-ON-H
P-ON-H
KEY-IN2
KEY-IN1
RCV-IN
RCV101
IC151
(MEMORY)
SCL
6
SDA 5
VOLUME
67
68
76
79
69
66
70
PROTECT-2
PROTECT-1
SDA 5
I2C-OPEN 3
SCL 6
CN301
(NO CONNECTION)
CN301 is used for
adjustment at factory
7
CS
72 I2C-OPEN
IC333
TV MICON/VIDEO
/AUDIO/CHROMA
/DEFLECTION
FROM
IF/VIDEO BLOCK
INPUT0
55
A-O-MUTE
TO
IF/VIDEO BLOCK
TO
AUDIO BLOCK
VOLUME
A-O-MUTE
64A-MUTE-H
A-MUTE-H
MAIN CBA
Q141
INPUT1
INPUT0
Q131
SCL
SDA
FROM/TO
AUDIO BLOCK