1
1
2
2
3
3
4
4
5
5
A
A
B
B
C
C
D
D
HP_
S
D
Earph
o
n
e
_
L
E
a
rp
ho
ne_R
Audio_IC_Off
Audio_IC_Off
AU
D
IO_G
N
D
AU
D
IO_G
N
D
AU
D
IO_G
N
D
+5V
+5V
AU
D
IO_G
N
D
AU
D
IO_GN
D
AU
D
IO_G
N
D
AU
D
IO_G
N
D
AU
D
IO_G
N
D
AU
D
IO_G
N
D
AU
D
IO_G
N
D
AU
D
IO_G
N
D
+3
.3
V
AU
D
IO_G
N
D
AU
D
IO_GN
D
AU
D
IO_G
N
D
+3
.3
V
+5V
+5V
AU
D
IO_GN
D
AU
D
IO_GN
D
AU
D
IO_GN
D
AU
D
IO_G
N
D
AU
D
IO_G
N
D
AU
D
IO_G
N
D
.
e
AUDI
O
O
U
T
1
A
D
C12V
Headph
o
n
e
Driver
7D.0217
6.AEG
I
C
H
P
?80ohm
IC
1Vrm
smax
32ohm
earphone
HP
150mV
rmsmax
AC
solution
(V2200_
modify_13)
trace
=
40mi
l
.
trace
=
40mi
l
.
R1
3
4
0J
Q1
4
N
C
_
2
N
7002K
D
G
S
+
C7
8
NC_220U
1
6
V
1
2
TP
7
8
Q1
0
A
P
M
2305BAC-TRL
D
G
S
R
143
NC
_
0
+
C7
7
NC_220U
1
6
V
1
2
R
133
100K
R
139
0
R
149
NC
_
0
R
151
NC_0
J
TP
7
6
Q1
1
P
M
B
S3904
B
E
C
L15
22
0
L13
Z3
0
R
140
0J
R
138
0
Q1
2
A
P
M
2305BAC-TRL
D
G
S
Q1
3
PMBS3904
B
E
C
L12
Z3
0
C8
1
N
C
_1U
K
PD1
1
2
R1
4
2
22
J
TP
7
7
+
C7
3
22U
2
5
V
1
2
R
137
10K
C1
0
9
1U
K
C6
6
100NF
K
C7
1
100NF
K
R
144
47
C7
4
2.
2
U
K
C6
7
N
C
_100NF
K
PD2
1
2
R
129
NC_0
R1
4
1
0J
C7
9
220P
K
C7
2
2.
2
U
K
U17
APA2176O
I-TRG
NC
1
/RSD
13
GND
15
NC
3
PVDD
2
CP+
4
PGND
5
/LSD
16
VDD
10
CVSS
7
VSS
8
RIN
14
LIN
12
CP-
6
ROUT
11
LOUT
9
L16
220
C8
0
220P
K
R
131
NC
_
0
R
152
100
C6
9
N
C
_100NF
K
+
C6
8
10U
5
0
V
1
2
R
145
NC_0
J
R
153
100
C7
5
100NF
K
R
150
47
R1
4
8
22
J
R
132
20K
+
C7
0
10U
5
0
V
1
2
J9
2B13160011
1
1
3
3
5
5
4
4
2
2
L14
Z3
0
C1
0
8
1U
K
R
130
100K
Q1
5
N
C
_
2
N
7002K
D
G
S
R
136
20K
C6
4
N
C
_100NF
K
+
C6
5
10U
5
0
V
1
2
R
135
10K
C7
6
N
C
_1U
K
S
c
al
ar
D
iag
ra
m
&
C
.B
.A
228C3LH
LCD
41
Summary of Contents for 228C3LHSB/00
Page 7: ...228C3LH LCD 7 Troubleshootingʳ ...
Page 8: ...8 228C3LH LCD Troubleshooting ...
Page 17: ...228C3LH LCD 17 FAQs Frequently Asked Questions ...
Page 18: ...18 228C3LH LCD FAQs Frequently Asked Questions ...
Page 21: ...228C3LH LCD 21 Service tool Hardware PCM code 12NC 5E L8215 001 996510019769 ...
Page 26: ...26 228C3LH LCD DDC Instructions Step 2 Press Open File then choose 228C3LH DDC FILE Fig 5 ...
Page 33: ...228C3LH LCD 33 Firmware Upgrade for CPU Step 4 Press Auto to upgrade FW Step 5 Upgrade OK ...
Page 35: ...228C3LH LCD 35 LULQJ LDJUDP ...
Page 36: ...36 228C3LH LCD ORFN LDJUDP ...
Page 43: ...228C3LH LCD 43 S calar Diagram C B A ...
Page 45: ...LED Driver Diagram C B A 228C3LH LCD 45 ...
Page 46: ...LED Driver Diagram C B A 46 228C3LH LCD ...
Page 48: ...Control Diagram C B A 48 228C3LH LCD ...
Page 50: ...LED Diagram C B A 50 228C3LH LCD ...