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6-1
BLOCK DIAGRAMS
System Control Block Diagram
L2401BLS
58
73
75
63
62
80
56
SCL
AFT-IN
AGC
AFT-IN
AGC
INPUT0
INPUT1
PROTECT-2
PROTECT-1
PROTECT-3
P-ON-H
SDA
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
TO
POWER SUPPLY
BLOCK
TO
CRT/H.V. BLOCK
PROTECT-2
PROTECT-1
PROTECT-3
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
7
CS
72 I2C-OPEN
IC111
TV MICON/VIDEO
/AUDIO/CHROMA
/DEFLECTION
TO
IF/VIDEO BLOCK
INPUT0
TO
IF/VIDEO BLOCK
TO
AUDIO BLOCK
VOLUME
A-MUTE
MAIN CBA
Q161
INPUT1
INPUT0
Q131
SCL
SDA
TO
AUDIO BLOCK
57
A-MUTE