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+24V_IN
VREF
+3.3V_IN
VREF
VREF
+5V
+24V_IN
+24V_IN
+5V
+3.3V_IN
+24V_IN
BRI_ADJ
BL_ON
BRI_ADJ
BL_ON
PANEL_ON
PWR_OFF
PWR_OFF
AUDIO_DET
AUDIO_ON_OFF
PANEL_ON
AUDIO_DET
AUDIO_ON_OFF
B L_ON
L amp
H
L
O N
O FF
B RI_ADJ
L UMI
H
L
d ark
b right
J2 (pin 16) for VP2650 use for USB power
O N
N ornal
P WR-SAVE
w /o upstream
P WR-off
P ANEL_ON
O FF
P WR-SAVE
w ith upstream
O FF
O FF
P ANEL_ON
P anel
H
L
O FF
O N
A UDIO_ON_OFF
S oft_Power
L
O FF
O N
A UDIO_DET
H
L
H
L
O FF
O N
H
L
L
J2 (pin 5)
ܤ
L1: 27U->47U for LP2
L2: 27U->47U for LP2
C18: NC -> 0.22U for LP2
C8: NC -> 0.22U for LP2
TP22
TP17
R23
15K
R9
10K F
C9
6800P K
R3
20K J
TP20
TP35
TP28
F D3
SS24-LF
A
K
TP1
C11
0.01U K
TP14
C1
0.1U K
R28
10K F
C13
1U Z
J1
2K61185109
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
TP25
D1
TZMC6V2
A
K
FD1
SS24-LF
A
K
C8
0.22U K
L2
47U
TP31
L1
47U
TP18
U1
TL1451ACNS
CT
1
RT
2
1IN+
3
1IN-
4
1FBK
5
1DTC
6
1OUT
7
GND
8
VCC
9
2OUT
10
2DTC
11
2FBK
12
2IN-
13
2IN+
14
SCP
15
RFF
16
TP19
R26
10K F
R10
10K
TP3
TP5
R12
NC
R5
3.01K F
TP23
+
C14
<Spec>
220U 35V M
1
2
Q5
2N3904S
B
E
C
R1
100
C17
1U Z
R4
75K
+
C5
<Spec>
220U 25V
1
2
TP33
Q6
2SJ598-AZ
D
G
S
TP29
R13
15K
C18
0.22U K
TP13
TP36
TP9
R17
3.3K
TP2
TP26
C2
0.1U K
R20
1.69K F
C20
100P J
R8
2.2K
C10
0.1U K
C21
6800P K
C19
680P J
R19
22
R14
47K
FD2
SS24-LF
A
K
+
C4
<Spec>
220U 35V M
1
2
TP7
Q7
2N3906S
C
E
B
TP8
TP10
TP12
C7
1U Z
R27
2.7K
R7
22
+
C16
<Spec>
220U 25V
1
2
D2
TZMC3V9
A
K
TP30
TP21
TP15
Q3
2N3906S
C
E
B
R18
20K J
TP4
J2
2K61185116
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
TP34
R22
10K F
R11
1K F
TP32
TP16
R21
75K
R6
10K F
TP27
FD4
SS24-LF
A
K
R25
1K F
TP24
R2
3.3K
R24
47K
C3
0.1U K
TP11
+
C6
<Spec>
220U 25V
1
2
Q4
2N3906S
C
E
B
Q1
2N3904S
B
E
C
+
C15
<Spec>
220U 25V
1
2
R15
330
Q2
2SJ598-AZ
D
G
S
C12
100P J
R16
2.7K
ViewSonic Corporation
Confidential - Do Not Copy
VP2650wb-1
61
Model
Title
Date
Rev:
ViewSonic Corporation
DC - DC
Summary of Contents for VP2650WB - 26" LCD Monitor
Page 42: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 39 Step4 Step 5 Step 6 ...
Page 43: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 40 Step 7 Step 8 Step 9 ...
Page 44: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 41 Step 10 Step 11 ...
Page 51: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 48 4 Packing procedure ...
Page 53: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 50 6 Troubleshooting Flow Chart ...
Page 54: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 51 ...
Page 55: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 52 ...
Page 56: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 53 5 Power no work troubleshooting ...
Page 57: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 54 Power no PFC troubleshooting ...
Page 58: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 55 6 Transmitter Board ...
Page 76: ...9 PCB Layout Diagrams ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 73 ...
Page 77: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 74 ...
Page 78: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 75 ...
Page 79: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 76 ...