1
1
2
2
3
3
4
4
5
A
A
B
B
C
C
D
D
LE
D
_
O
R
G
LE
D
_
BL
U
ATTN
IN
V
_
O
N
/O
F
F
B
L_E
N
S
e
n
s
or
_pow
er
S
e
n
s
or
_pow
er
LE
D
_
O
R
G
LE
D_
BL
U
VOL_
A
D
J
MUTE
IN
V
_
O
N
/O
F
F
IN
V_
ADJ
G_
PW
M
B_
PW
M
R_
P
W
M
A
DC_
KEY1
P
W
R
_
KEY
A
DC_
KEY2
T_
S
C
L
T_
S
D
A
USB_
de
te
c
t
P
o
w
e
r_
savi
ng
B
L_E
N
KEY_
POW
ER
Pilo
t_
1
Pilo
t_
2
+3
.3
V
+5V
+1
.8
V
+5V
+
5
V_
USB+
+3
.3
V
+5V
+
5
V_
USB+
+3
.3
V
+3
.3
V
+5V
+3
.3
V
+3
.3
V
+3
.3
V
Change
C103
from
100U
Dip
t
o
1
0
U
chip
Hiko
2009.
10.15
Novatek
pin
Hiko
2009.
11.26
Change
R127
from
060
3
t
o
0805
Hiko
2009.
10.16
30
33
29
40
39
67
66
38
37
11
0
11
8
11
0
12
4
10
3
12
2
38
12
4
36
C101/R146
:
R_PWM
IR_ON
C99/R147
:
G_PWM
I
R
A
d
j
R148
:
B_PWM
Presen
t
o
u
t
SMSC
R128
0
J
C82
SMT
for
Hiko
2010.
01.25
D1
1
TZ
M
C
6
V
2
A
K
C8
7
0.
1U
K
TP43
R
121
100
J
R1
4
4
4.7K
J
R1
5
4
100K
J
L1
2
Z220
Q3
A
P
M
2305B
A
C
-T
R
L
D
G
S
R
149
NC_4.7K
J
TP31
J7
2K
6209
5105
1
2
3
4
5
R1
1
9
10K
J
R1
3
3
1K
J
C8
9
0.
1U
K
R
150
NC_10K
J
C8
5
0.
1U
K
R
127
47
J8
2
K
6
2
095106
1
2
3
4
5
6
R
141
10K
J
C88
0.
1U
K
C
102
0.
1U
K
C9
8
10
U
M
TP37
TP33
C83
0.
1U
K
R1
1
7
4.7K
J
C9
9
1U
K
TP42
SW1
2
B
4
6
001001
A
A
K
K
C
C
E
E
TP32
C8
0
N
C
_0.
1U
K
C9
2
220
P
J
TP44
TP25
C
100
NC_
0
.1
U
Z
Q6
N
C
_
2
N
3904S
B
E
C
TP30
R
125
1K
J
R
145
NC_4.7K
J
C9
3
220
P
J
C
104
0.
1
U
Z
R
122
NC_100
J
R
151
N
C
_
10K
J
TP26
TP28
C9
5
NC_
0
.1
U
Z
TP45
TP35
L13
Z30
+
C8
4
4
7
U
25V
1
2
J6
N
C
_2K
62095107
1
2
3
4
5
6
7
J4
2
K
6
1
1
85113
1
2
3
4
5
6
7
8
9
10
11
12
13
R1
2
9
NC_4.7K
J
R
148
1K
J
J5
2
K
K
2
241007
1
2
3
4
5
6
7
G1
G2
R1
5
5
1K
J
C9
1
220
P
J
R
142
100K
J
C8
2
10
U
M
R138
NC_0
J
R
123
NC_100
J
TP29
TP27
TP38
C
101
1U
K
C9
7
NC_
0
.1
U
Z
C8
6
0.
1U
K
TP46
R
156
1K
J
D9
TZ
M
C
6
V
2
A
K
Q2
2
N
3904S
B
E
C
R
124
100
J
Q9
2N
3904S
B
E
C
R
128
NC_10K
J
TP34
R
115
1K
J
R1
3
2
N
C
_
10K
J
C8
1
1U
K
R
153
16
0
C
103
10
U
M
R1
1
8
4.7K
J
Q4
2
N
3906S
C
E
B
D1
0
TZ
M
C
6
V
2
A
K
R1
4
6
4.7K
J
L1
1
Z30
TP36
R
120
100
J
R
152
1K
J
U7
RM2101B0
D
A
IN
1
GND
2
OUT
3
TAB
4
R1
4
0
47K
J
R1
1
6
NC_10K
J
R1
3
9
NC_100
J
C96
NC_
0
.1
U
Z
L14
Z30
R1
4
3
NC_4.7K
J
C9
0
0
.1
U
Z
TP39
R1
3
7
10K
J
TP41
R1
2
6
4.7K
J
R1
4
7
4.7K
J
S
c
al
ar
D
iag
ra
m
&
C
.B
.A
38
220BL2
LCD
Summary of Contents for 220BL2CB/00
Page 6: ...6 220BL2 LCD Troubleshooting ...
Page 15: ...220BL2 LCD 15 FAQs Frequently Asked Questions ...
Page 16: ...16 220BL2 LCD FAQs Frequently Asked Questions ...
Page 19: ...220BL2 LCD 19 Service tool Hardware DDC tool PCM code 12NC 5E L8215 001 996510019769 ...
Page 31: ...220BL2 LCD 31 Firmware Upgrade for CPU Step 4 Press Auto to upgrade FW Step 5 Upgrade OK ...
Page 33: ...220BL2 LCD 33 LULQJ LDJUDP ...
Page 34: ...34 220BL2 LCD ORFN LDJUDP ...
Page 40: ...S c alar Diagram C B A 40 220BL2 LCD ...
Page 41: ...6FDODU LDJUDP 220BL2 LCD 41 ...
Page 45: ...Power Diagram C B A 220BL2 LCD 45 ...
Page 46: ...46 220BL2 LCD Power Diagram C B A ...
Page 48: ...C ontrol Diagram C B A 48 220BL 2 LCD ...
Page 51: ...US B Diagram C B A 220BL 2 LCD 51 ...
Page 53: ...LE D Diagram C B A 220BL2 LCD 53 ...