Panasonic MW-20EB, Service Manual

Page: 76 / 90

76
16.12. PANEL / IR / LED CIRCUIT
A
1 2 3 4 5 6 7 8 9 10 11 1 2 13 14
1 2 3 4 5 6 7 8 9 10 11 1 2 13 14
C
D
B
E
G
H
F
A
C
D
B
E
G
H
F
B P A NEL CIRCUIT C IR CIRCUIT
D
LED CIRCUIT
S CHEM A TIC DI A GR A M - 1 2
MW- 2 0EB/EG P A NEL / IR / LED CIRCUIT
: +B S IGN A L LINE : +B S IGN A L LINE
: +B S IGN A L LINE
A
TO
M
A IN(1) CIRCUIT
(CN100 2 )
IN S CHEM A TIC
DI A GR A M - 3
A
TO
M
A IN(1) CIRCUIT
(CN1003)
IN
S CHEM A TIC
DI A GR A M - 4
1
18
TO LCD MODULE
2
4
3
1
G1
6
7
5
G 2
CN913
R913
4 7 K
2
4
1
3
RETURN
S 9 22
C913
0.1
2
4
1
3
V OLUME-
S 9 2 5
100P
C914
2
4
1
3
DI S PL AY MODE
S 9 2 3
2
4
1
3
S 9 2 4
V OLUME+
R915
1K
1
2 5
6
3 4
IC911
B3 J B00000090
A MBIENT LIGHT S EN S OR
2
4
1
3
S 931
1 6
14
1 2
7
9
8
10
4
5
1
3
2
6
11
13
15
G1
18
1 7
G 2 CN911
B0 A CCK000005
D9 22
B0 A CCK000005
D9 2 1
2
4
1
3
MENU
S 9 2 1
5
6
4 1
2
3
CUR S OR
S 9 26
C
RIGHT
DOWN LEFT
UP
OK
REM_IN
LED+
LED-
A NGL1
SYS 3.3 V
PWR_ S W
S W_OUT1
S W_IN4
S W_IN5
S W_IN 2
S W_IN1
S W_IN3
S W_OUT 2
D3.3 V
A NGL 2
SYS
_GND
S EN S _ S CL
S EN S _ S D A
POWER
V CC S CL
LED+
LED-
REM_IN
SYS _GND
SYS _GND
SYS _GND
SYS 3.3 V
GND S D A
D V I A DDR
1
G1
2
G 2
CN9 2 0
G 2
2
1
3
G1
IR911
REMOTE CONTROL
S EN S OR
100
R911
R91 2
4 7
2
4
3
1
G1
6
7
5
G 2
CN915
C911
22 22
C915 C91 2
0.01
REM_IN
SYS _GND
SYS _GND
SYS _GND
LED+
LED-
SYS 3.3 V
LED-
OUT
DGND
V REF
LED+
B3 A FB0000 2 00
D940
1
G1
2
G 2
CN930
D5 V
LOGO ON