Panel / Ir / Led Circuit - Panasonic MW-20EB Service Manual

16.12. PANEL / IR / LED CIRCUIT

1 2 3
SCHEMATIC DIAGRAM - 12
A
B PANEL CIRCUIT
CN911
G2
1
LED+ 18
LED- 17
ANGL1 16
SYS3.3V 15
B
REM_IN 14
SYS_GND 13
D3.3V 12
A
SENS_SCL 11
TO
ANGL2 10
MAIN(1) CIRCUIT
SENS_SDA 9
(CN1002)
PWR_SW 8
IN SCHEMATIC
SW_OUT1 7
DIAGRAM - 3
SW_OUT2 6
SW_IN1 5
SW_IN2 4
SW_IN3 3
C SW_IN4 2
SW_IN5 1
18
G1
B0ACCK000005
D
E
F
G
H
1 2 3
4 5 6
: +B SIGNAL LINE
IC911
B3JB00000090
S931
AMBIENT LIGHT SENSOR
POWER
C913
1 2 0.1
1 VCC SCL 6
R915
1K
3 4
2 ADDR DVI 5
GND SDA
3 4
R913 C914
47K 100P
D922 D921
B0ACCK000005
S921 S922 S923
MENU RETURN DISPLAY MODE
1 2 1 2 1 2
3 4 3 4 3 4
S926
CURSOR
RIGHT UP
4 1
C OK
5 2
6 3
DOWN LEFT
4 5 6
7 8 9
C
CN913
G1
1 LED+
2 LED-
3 SYS3.3V
4 REM_IN
5 SYS_GND
6 SYS_GND
7 SYS_GND
G2
D
S924 S925
VOLUME+ VOLUME-
1 2 1 2
TO
3 4 3 4 MAIN(1) CIRCUIT
(CN1003)
IN SCHEMATIC
DIAGRAM - 4
7 8 9
76
10 11 12
IR CIRCUIT
: +B SIGNAL LINE
CN915 G1
LED+ 1
LED- 2
R911
SYS3.3V 3
100
REM_IN 4
SYS_GND 5
R912 C911 C915 C912
SYS_GND 6
47
22 22 0.01
SYS_GND 7
G2
CN920
G1
1 LED+
2 LED-
G2
LED CIRCUIT
: +B SIGNAL LINE
A
CN930
G1
D5V 1
LOGO ON 2
D940
G2
B3AFB0000200
MW-20EB/EG PANEL / IR / LED
10 11 12
13 14
A
G1
B
1 OUT
IR911
2 VREF REMOTE CONTROL
SENSOR
DGND
3
G2
TO LCD MODULE
C
D
E
F
G
CIRCUIT
H
13 14