Emerson LC320EM8 Service Manual

7-1
BLOCK DIAGRAMS
System Control Block Diagram
A71F3BLS
CN102
KEY-IN1KEY-IN1 3 4
KEY SWITCH
IC3006 (SUB MICRO CONTROLLER)
IC3015 (MAIN MICRO CONTROLLER)
TU3001 (TUNER UNIT)
TXD1 RXD1TXD
RXD
CN3002
19RESET
XOUT
XIN
RESET
IC3001
+3.3V
X3002
4MHz OSC
RESET
IC3009
+3.3V
DIGITAL MAIN CBA UNIT
POWER SUPPLY CBA JACK CBA
IR SENSOR CBA FUNCTION CBA
POWER SUPPLY CBA
CN001
REMOTE
SENSOR
RCV891
AL+3.3V
D102
POWER
STANDBY
D101
LED266
CN101B
REMOTE22 LED177
CN302
LED219 19
CN3014
REMOTE88
CN3014
SDA66
CN302
SCL44
CN3018
Q3025 Q3026
SDA112 13
CN7501
SCL111 14
LED1
LED2
REMOTE
LED1 18 18
4
4
CN552 CL552B
5
5
7
7
6
6
PROTECT1 4
P-ON-H 5 BACKLIGHT-PWM
7
BACKLIGHT-ON
PROTECT1
P-ON-H
BACKLIGHT-PWM BACKLIGHT-ON
6
CN3001
JUNCTION CBA
17 31
14 15
32
3
23 22
A5
C6
AF17
POWER-KEYPOWER-KEY
28
E25
AD16
AUDIO-SEL2 AUDIO-SEL1
AUDIO-SEL2 AUDIO-SEL1
TO AUDIO-1 BLOCK DIAGRAM
B7
C7
14 15
I2C-CLK-TUNER I2C-DATA-TUNER
AE16
AF16
SCL SDA
SCL
SDA
F26 F24
SCL2 SDA2
AD21
EEPROM-WP XOUT XIN
X3005
B18 A18
25.14MHz OSC
RESET
AD5
IC802 (TONE CONTROL)
SCL
SDA
14 13
IC7001 (VIDEO/AUDIO SELECTOR)
SCL
SDA
25 27
IC3026 (MTS/SAP AUDIO SIGNAL PROCESS)
SCL
SDA
27 24
IC3017 (MEMORY)
SCL2
SDA2
6 5
WP 7
IC3014 (DIGITAL SIGNAL PROCESS)
SCL2
SDA2
37 38
IC3023 (HDMI INTERFACE)
SCL2
SDA2
28 27
IC3004 (GAMMA CORRECTION)
SCL2
SDA2
44 43
BUFFER BUFFER
AUDIO -MUTE AUDIO-MUTE
AMP-MUTE AMP-STBY
V-COM
TO AUDIO-2 BLOCK DIAGRAM
TO INVERTER BLOCK DIAGRAM (CL552A)
C24
AMP-MUTE
B24
BACKLIGHT-PWM
AMP-STBY
AE21
BACKLIGHT-ON
B26
TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM
27
BACKLIGHT-ON 12
PROTECT1 1
P-ON-H 26
V-COM 5
P-ON-H
TO POWER SUPPLY BLOCK DIAGRAM
P-ON-H22

Emerson LC320EM8 Specifications

General

Brand	Emerson
Model	LC320EM8
Category	LCD TV
Language	English