Function Schematic Diagram - FUNAI LF320EM4 A Service Manual

Function Schematic Diagram

R4052
6.8K
2
RS4051
RS-272
(REMOTE SENSOR)
3 2 1
R4051
56
R4054
1K
C4051 C4056 C4052
10 10 1000P
1
R4001
18K
D4002
OPEN
SW4001
VOL
DOWN
A
FUNCTION CBA UNIT
R4060
8.2K
R4053
OPEN
D4051
LTST-C190KRKT
POWER IC4051
OPEN
1 OUT NU
R4057 2 GND NU
OPEN
3 VCC NU
C4057
OPEN
C4053
0.1
C4055
OPEN
R4002 R4003 R4004 R4005
8.2K 4.7K 2.7K 2.2K
SW4002 SW4003 SW4004 SW4005
CH UP MENU
VOL CH
UP DOWN
B
C4054
0.1
CN4052
1 AL+3.3V
2 P-ON+5V
3
4 LED1
R4055 R4059
OPEN OPEN 5 REMOTE
6 KEY-IN1
7 GND
6
8 SCL(NU)
5 9 SDA(NU)
4
R4058 R4056
OPEN OPEN
CN4053
1 AL+3.3V
2 P-ON+5V
3 LIGHT(NU)
4 LED1
5 REMOTE
6 KEY-IN1
7 GND
8 SCL(NU)
9 SDA(NU)
R4006
2.2K
D4001 C4002
SW4006 SW4007 MM5Z5V6B 0.1
SOURCE POWER
UNLESS OTHERWISE SPECIFIED:
SWITCHES ARE SKRMABE010.
C
10-36
TO DIGITAL MAIN
CBA UNIT CN3101
LIGHT(NU)
(NO CONNECTION)
FL14.10SCF