Emerson LC320EM2F Service Manual page 41

Function Schematic Diagram
(NO CONNECTION) CN4002
GND 1
KEY-IN1 2
2
TO DIGITAL MAIN
CBA UNIT CN3101 CN4001
GND 1
KEY-IN1 2
C4004 C4002 D4001
OPEN 0.1 EDZTE615.6B
SW4006
1
A
R4007 R4005 R4004 R4003 R4002 R4001
2.2K 2.2K 2.7K 4.7K 8.2K 18K
SW4007 SW4005 SW4004 SW4003 SW4002
POWER CH UP MENU SOURCE
CH VOL
DOWN UP
FUNCTION CBA UNIT
UNLESS OTHERWISE SPECIFIED:
SWITCHES ARE SKRMABE010.
B C
IR Sensor Schematic Diagram
R4051
56
2
RS4051
GP1USC32XP
(REMOTE SENSOR)
3 2 1
C4051 C4056
10 10
SW4001
D4002
OPEN
VOL
DOWN
1
IR SENSOR CBA UNIT
A
10-6
C4054
R4052
0.1
6.8K
R4054
1K
C4055
OPEN
R4055
IC4051
OPEN
OPEN
D4051 (LIGHT SENSOR)
19-21SURC
/S530-A2/TR
1 6
AMP
STANDBY
R4057 2 GND 5
OPEN LOGIC
3 VCC NU 4
D4052
C4057 R4058
R4060 R4053 OPEN
C4052 OPEN OPEN
OPEN 4.7K
1000P
C4053
0.1
B
TO DIGITAL MAIN
CN4052 CBA UNIT CN3102
1 GND
2 REMOTE
3 AL+3.3V
4 P-ON+5V
5 LED1
R4059
OPEN
6 KEY-IN1
7 LIGHT
R4056
OPEN
CN4051 (NO CONNECTION)
1 GND
2 KEY-IN1
C
FL11.4SCF_IR