ViewSonic VP2650WB Service Manual page 64

TP7
C1
C2
0.1U K
0.1U K
J1
1
1
R1 100
2
2
3
3
4
4
5
5
6
6
TP17
7
7
TP18
8
8 AUDIO_DET
9
AUDIO_ON_OFF
9
2K61185109
VREF
R4
R6 75K
C7
10K F
1U Z
R9 C9
VREF
10K F 6800P K
R13
C11 15K
0.01U K C12
100P J
U1
TL1451ACNS
C19 C20
R22
680P J 10K F
100P J
R23 R24
15K 47K
R26 C21
10K F 6800P K
R28
10K F
ViewSonic Corporation
TP5
BL_ON Lamp
TP9
H ON
L OFF
+24V_IN
BRI_ADJ
BL_ON
PWR_OFF
BRI_ADJ LUMI
TP15
H dark
TP16
C3
L bright
0.1U K
PANEL_ON Panel
L OFF
H ON
Q3
2N3906S
+24V_IN
B
PANEL_ON
2.2K R8
TP30
R10
C10
R14 10K
0.1U K
47K
R15
330
C13
1U Z
VREF
C14
+
220U 35V M
<Spec>
R21
C17
75K
1U Z
R27 2.7K
PANEL_ON
Nornal ON
PWR-SAVE
OFF
with upstream
PWR-SAVE
OFF
w/o upstream
PWR-off OFF
61
Confidential - Do Not Copy
TP1
J2
TP2
1
TP3
2
TP4
3
4
TP8
5
6
7
TP10
8
9
10
11
12
TP12
13
TP13
14
AUDIO_DET
15
AUDIO_ON_OFF
16
2K61185116
J2 (pin 16) for VP2650 use for USB power
+24V_IN
TP23 TP32 TP31
R2 R3
3.3K 20K J
C4 Q1
+ B G
220U 35V M 2N3904S 2SJ598-AZ
R7
Q2
<Spec>
2N3906S 22
B
Q4
R16
2.7K
R17
3.3K
R18
20K J
R19
Q5
B
2N3904S
G
2SJ598-AZ
F D3
Q6
SS24-LF
22
2N3906S
B
Q7
VP2650wb-1
BRI_ADJ
BL_ON
J2 (pin 5)
PWR_OFF
PANEL_ON
+5V
+3.3V_IN AUDIO_DET
TP11
+24V_IN L
L
TP14
H
H
L1: 27U->47U for LP2
L1
TP24 TP25 TP33 TP21
47U
C5 C6
+ +
220U 25V 220U 25V
FD1 FD2
<Spec> <Spec>
SS24-LF SS24-LF
L2: 27U->47U for LP2
+3.3V_IN
L2
TP28 TP36 TP22 TP34 TP27
47U
R20
FD4 + C15 + C16 1.69K F
220U 25V 220U 25V
SS24-LF <Spec> <Spec>
R25
1K F
TP20
Soft_Power AUDIO_ON_OFF
OFF L
ON L
OFF L
ON H
+5V
TP26 TP35
R5
3.01K F
C8
0.22U K
D1
TZMC6V2
R11 R12
1K F NC
TP19
C8: NC -> 0.22U for LP2
TP29
D2
C18
TZMC3V9
0.22U K
C18: NC -> 0.22U for LP2
ViewSonic Corporation
Model
Title
DC - DC
Date Rev: