Emerson EWL20S5 - Block Diagrams

7-1
BLOCK DIAGRAMS
System Control Block Diagram
L2601BLS
FUNCTION CBA
KEY-IN-122
CLN104
KEY SWITCH
KEY-IN-211
BACKLIGHT-ADJ
KEY SWITCH
IC1202 (TV MICRO CONTROLLER)
4
21
CN1201
34
KEY-IN-1
REMOTE
RESET
RESET AL+3.3V(D)
37 38
X1201 27MHz
XIN
XOUT
MAIN CBA
5KEY-IN-2
29 30
P-ON-H
VOLUME
AUDIO-MUTE
SDA SCL
INPUT-0 INPUT-1
S-SW
SCL SDA
32 11 13 35 12 14 36
TO POWER SUPPLY BLOCK DIAGRAM TO IF/VIDEO BLOCK DIAGRAM TO AUDIO BLOCK DIAGRAM
BACKLIGHT-ADJ
P-ON-H
VOLUME
AUDIO-MUTE
INPUT-0 INPUT-1
S-SW
SCL
SDA
SDA 2 SCL 1
CN1209
(NO CONNECTION)
IC1205 (MEMORY)
SCL
6
SDA
5
7
WP
Q1204
3.3V<-->5V CONVERTER
BUS-OPEN 4
NO PART MOUNTED FOR CN1209
33
BUS-OPEN
27
P-25V-ON
IR SENSOR CBA
CLN105
REMOTE
SENSOR
RCV91
CN1202
REMOTE33
6AFT-IN
44
TUNERCLK
AFT-IN
FSC
P-25V-ON
28
VCOM
V-COM
TO LCD BLOCK DIAGRAM
IC1201,IC1211
AL +5V
D91
POWER
Q91
P-ON-H44