Emerson EWL3706 A - SCREEN INFORMATION; Displaying Analog Signal Info; Displaying Digital Signal Info

7-1
BLOCK DIAGRAMS
System Control Block Diagram
L5005BLS
FUNCTION CBA
KEY-IN315
CN101
KEY SWITCH
KEY-IN1
KEY-IN3 KEY-IN1 3 3
VOLUME18 6 AMP-MUTE16 8 PROTECT1123 AUDIO-SW121 3 AUDIO-SW222 2 AUDIO-SW020 4
KEY SWITCH
IC1502 (SUB MICRO CONTROLLER)
IC1504 (MAIN MICRO CONTROLLER)
IC1401 (HDMI /INTERFACE) TU1001 (TUNER UNIT) IC1102 (MEMORY)
EPROM-WP
TXD1 RXD1
I2C-CLK-C I2C-DATA-C
SCL
SDA
TXD
RXD
CN1505
19RESET
XOUT
BACKLIGHT-ADJ
PROTECT1
VOLUME
XIN
XOUT XIN XOUT XIN
RESET
IC1503
+3.3V
X1501
4MHz OSC
MAIN CBA
DIGITAL MAIN CBA UNIT
LED CBAMAIN CBA
CN151
REMOTE
SENSOR
RCV151
STBY+3.3V
D151
P-ON
STBY
D152
BACKLIGHT-SW
TO AUDIO BLOCK DIAGRAM
TO AUDIO BLOCK DIAGRAM
PROTECT1 VOLUME AMP-MUTE AUDIO-SW0 AUDIO-SW1 AUDIO-SW2
AMP-MUTE
AUDIO-SW0 AUDIO-SW1 AUDIO-SW2
AUDIO-MUTE
AUDIO-MUTE
LED144
CN151A
REMOTE22 LED255
CN114
LED120 4
CN1113
REMOTE19 5 LED2
LED1
REMOTE
LED2 21 3
BACKLIGHT-SW
123
BACKLIGHT-ADJ
222
CN1111
CN111
CN1112 CN112
17 32
14 15
31
3
60 23 22
5
BACKLIGHT-SW 12
1
56
X1101
I2C-CLK-A
TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM
C11 D16 C16
AH20
AJ20
AJ21
AH21
AG20
AK21
D20 D21
F28 F27
AG12
B17
C17 D17
AK8
H2
I2C-DATA-A
25.14MHz OSC
82 83 14 15
X1102
55.474MHz OSC
6 5 7
I2C-CLK-TUNER I2C-DATA-TUNER I2C-CLK-A I2C-DATA-A
SCL
SDA
SCL
WP
SDA
P-ON-H321
P-ON-H
TO POWER SUPPLY BLOCK DIAGRAM
P-ON-H 26
IC1507 (LVDS TRANSMITTER)
SCL
SDA
69 66
TO INVERTER BLOCK DIAGRAM
PROTECT1 BACKLIGHT-SW BACKLIGHT-ADJ