Emerson LC320EM8, Service Manual

Page: 56 / 69

WIRING DIAGRAM
A71F3WI 10-1
INVER
TER CB
A
FUNCTION CB
A
TU3001 TUNER UNIT
HDMI- AUDIO(L)-IN
HDMI- AUDIO(R)-IN
AUDIO(L) -OUT
AUDIO(R) -OUT
A
C
501
AC CORD
PO
WER SUPPL
Y CB
A
DIGIT
AL MAIN CB
A UNIT
HDMI- CONNECTOR-1
IR SENSOR CB
A
JUNCTION CB
A
1 3 2 5 4 7 6 8 9
10 13 12 11 14 15 17 16 19 18 21 20 22 23
P-ON+9V GND NU GND NU NU A
UDIO(L)
GND A
UDIO(R)
GND GND SD
A1
SCL1 S-VIDEO-Y VIDEO-Pr S-VIDEO-C GND VIDEO-Pb GND GND
24
VIDEO VIDEO-Y
CN3018
GND D+5V
CN7501
1 5 3 9 7 2 4 6 8
10 14 12 18 16 11 13 15 17 19 23 21 20 22 24
CN552
CN3001
1
1
GND
3
3
PR
O
T
ECT2(NU)
2
2
PR
O
T
ECT3(NU)
4
4
PR
O
T
ECT1
5
5
P-ON-H
7
7
BA
CKLIGHT
-PWM
6
6
BA
CKLIGHT
-ON
8
8
GND
CN3023
1
D+5V/+12V
-LCD
D+5V/+12V
-LCD
D+5V/+12V
-LCD
D+5V/+12V
-LCD
D+5V/+12V
-LCD
2 3 4 5 6
GND GND GND
7 8 9
IX-TX3(+)
10
IX-TX3(-)
11
GND
12
IX-CLK(+)
13
IX-CLK(-)
14
GND
15
IX-TX2(+)
16
IX-TX2(-)
17
GND
18
IX-TX1(+)
19
IX-TX1(-)
20
GND
21
IX-TX0(+)
22
IX-TX0(-)
23
GND GND GND
24 25 26
VCOM
27
NU
28
GND GND GND
29 30
LCD MODULE ASSEMBL
Y
CN301
CN3010
23 19 21 15 17 22 20 18 16 14 10 12
6 8
13 11
9 7 5 1 3 4
23 19 21 15 17 22 20 18 16 14 10 12
6 8
13 11
9 7 5 1 3 4
2
GND AL+3.3V GND P-ON+5V P-ON+5V P-ON+9V +4V GND +4V +4V GND GND +2.5V +2.5V GND GND +15V +35V GND PR
O
TECT2
PR
O
TECT1
+5V/+12V
-LCD
+5V/+12V
-LCD
2
CL552A
CL552B 1
1
GND
3
3
PR
O
T
ECT2(NU)
2
2
PR
O
T
ECT3(NU)
4
4
PR
O
T
ECT1
5
5
P-ON-H
7
7
BA
CKLIGHT
-PWM
6
6
BA
CKLIGHT
-ON
8
8
GND
PR
O
T
ECT3
SCL GND SD
A
GND REMO
TE
NU AMP-STBY AMP-MUTE NU GND GND A
UDIO(L)-OUT
A
UDIO(R)-OUT
LED2 GND LED1 NU NU GND NU
CN302
P-ON-H GND
CN3014
23 19 21 15 17 22 20 18 16 14 10 12
6 8
13 11
9 7 5 1 3 4 2
23 19 21 15 17 22 20 18 16 14 10 12
6 8
13 11
9 7 5 1 3 4 2
CLN802
2
CN802
1
SP-P(L) SP-N(L)
CLN801
2
CN801
1
SP-P(R)
SP-N(R)
SP802 SPEAKER L-CH SP801 SPEAKER R-CH
J
A
CK CB
A
COMPONENT -Y-IN2 COMPONENT -Pb-IN2 COMPONENT -Pr-IN2
COMPONENT -Y-IN1
COMPONENT -Pb-IN1 COMPONENT -Pr-IN1
COMPONENT- AUDIO(L)-IN1 COMPONENT- AUDIO(R)-IN1 COMPONENT- AUDIO(L)-IN2 COMPONENT- AUDIO(R)-IN2
VIDEO-IN1
AUDIO(L) -IN1
AUDIO(R) -IN1
VIDEO-IN2
AUDIO(L) -IN2
AUDIO(R) -IN2
S-VIDEO -IN2 S-VIDEO -IN1
CN102
CN3002
1 3 2 4 5
GND AL+3.3V KEY
-IN1
NU
6
NU KEY
-IN2
1 5 3 2 4 6
CN601
CN501
1 3
1 3
2
AC
L
NU HO
T
-GND
2
CN101B
CN001
1 3 2 4 5
GND REMO
TE
AL+3.3V NU
6
LED2 NU
6 2 4 5
7
LED1
8
NU
8 7 3 1
BA
CK
LIGHT
CN1050
2 1
BA
CK
LIGHT
CN1100
2 1
BA
CK
LIGHT
CN1150
2 1
BA
CK
LIGHT
CN1200
2 1
BA
CK
LIGHT
CN1250
2 1
BA
CK
LIGHT
CN1300
2 1