ViewSonic VG700b Service Manual page 55

5
VCC
C129
0.1U
35
EA/VP
UCLK
21
4 UCLK X1
VCC
D
C120 20
X2
+
RESET
10U 10
2 RESET RESET
+5V +5V
D5
R32
14
4 INT0 INT0
1N4148 15
R37 R35 4.7K INT1
PWR_G 16
10K 10K
T0
PWR_R
17
T1
MPU_SCL
2
P1.0
MPU_SDA
3
P1.1
PWR_KEY
4
P1.2
CABLE
5
1 CABLE P1.3
U6,6
6
P1.4
U6,7
7
P1.5
U6,8
8
P1.6
U6,9
9
P1.7
1
NC
12
NC
VCC VCC
C115
0.1U
U18
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL MPU_SCL 4
4 5
GND SDA MPU_SDA 4
C
MPU Interface
24C16
+12V_INV
C131
C132
+
0.1U
100U
+12V_INV
CON5 L42
1 R85
0603/600
2
Coil 150U
3 FPBACK 4
4 DVD0 4
5
R86 0603/600
6
7
8
9
10
HEADER 10-2.0
R83 R84
Inverter Connector
3K 3K
INVER TER
I/F
B
A
12-4
5
4
VCC
U6
AD[0..7] 4
43 AD0
P0.0
AD1
42
P0.1
AD2
41
P0.2
C116 C117 C118
40 AD3
P0.3
39 AD4
P0.4
AD5 100P 100P 100P
38
P0.5 CON2
37 AD6
P0.6
MUTE
36 AD7
P0.7 12
QUIT
11
SELECT
24
P2.0 LVDS_EN 2 10
BIG
25
P2.1 9
GPIO2 DOWN
26
P2.2 8
Fan UP
27
P2.3 7
U6,28 SMALL
28
P2.4 6
U6,29 PWR_G1 FB9
29
P2.5 5
U6,30 PWR_R1
30 FB8
P2.6 4
U6,31 GND
31
P2.7 3
POWER FB7
2
GND
19
RD RD 4 1
C122 C123
18
WR WR 4
32
PSEN
100P 100P
33 HEADER 12-2.0
ALE/P ALE 4
13 TXD OSD Key Connector
TXD
RXD
11
RXD
C125
23
NC
100P
34
NC
80C51_PLCC
MPU
CONT+5V
*
If use LM2596-5 then:
R47 open & R45 = 0
U9
+12V DC Input POWER JACK4 LM2576 /LM2596
5
ON
CON6 4
FB
L21 Coil +12V
6 3
GND
1 2 2
OUT
C133 1
C134 IN
+
12V-to-5V TO-220 5-Pin
100U
0.1U
L44
Coil 150U
P1
1 2
202
+12V DC Input
POWER JACK3
0.1U
4
3
VCC
RP7 RP9
RP10KX4
RP10KX4
RP10
1 8
SMALL U6,29
2 7
UP
C119 3 6 U6,9
DOWN
4 5 U6,8
100P
Bead600/M4
RP8
BIG U6,30
1 8
SELECT
2 7 U6,7
QUIT
3 6 U6,6
MUTE U6,31
4 5
Bead600/M4
0603/600 R38 510 PWR_G VCC
0603/600 R39 510
0603/600
R88 R87
R40
1K
1K
10K
CON2_2
R41 1K PWR_KEY
C124
100P
VCC
+5V L18
+5V_IN
D7 1N4148
FB_L C126 U7
D8 1N4148 C127
+
100U 4
D9 1N4148
0.1U
LT1084
+3.3V Regulator
TO-220
C130
*
FLOAT 0.1U
If use LT1084-3.3 then:
R103open&R104=0
L19 150UH_C
+5V
OUTDB
C135
C136 C137
D4 R45
+ +
3K
FPVCC 0 ON
0.1U
1000U 100U
1N5822
R47
1K
R49 10K
4 FPVCC
+12V L45 0805 +12VP
C198 C197
0.1uF 0.1uF
+5V +12V
R94
0
Fan power
select Oct 15
R92
10K
Q3
R91 Fan1
4 Fan
Fan2
10K B
SOT
C
23
E
3904
GNDP
Switch Control
SOT_23
Confidential – Do Not Copy
3
2
MMPU_SCL
R30 0 MPU_SCL
ADD DVD1 to control Audio VR
CON3
1
MPU_SDAIN
R33 0 MPU_SDA
2
MMPU_SCL R34 1K
3 DVD1 4
4
C121
R36
1K
HEADER 4 0.1U
Audio Connector +12V
L16
C214
FB
+5V
L17 0.1U
FB
* U13
If use LT1117-3.3 then:
R81 open & R82 = 0
If use LT1117 for +2.5 then:
R81 / R82 = 120 ohm
NORMAL R103 200 OHM +5V
+3.3V
L34
0805/600
C189
C188
+
3
IN R103 C128 100U
+
200 100U
2
0.1U
OUT
OUTTT1
1
ADJ
R104
330
+12VP
L43
1812/600
PANEL POWER
<+5V>
CONTROL
+5V L22 L23
+12VP 1206/600
1206/600
1 OFF
MOS1-D
C213 C212
+
100U C138
0.1u
R48
0.1U
GNDP GNDP 100K
Q1
FPP1
Q2 GNDP
R50
Q3904_C MOS1-G
B
SOT
G
C
SOT
23 100K
23 D
E
S
3904 NMOS2304
N
GNDP
Switch Control Power MOSN
MOSN
SOT_23
SOT_23
C139
NMos
0.1U
C140
R51
GNDP 3.3K 2.2U
GNDP GNDP
U19
1 8
S D
2 7
S D
MOS1-D
3 6
S D
MOS1-G
4 5
G D
R95
IRF7204
0
R93
FanVcc
47
MOS4
CON4
Vfanout
1
2
RXD
3
TXD
Q4
4
B
SOT
HEADER4X1
C
23
Debug & OSD Key
E
Pitch 2.54mm
3904
Switch Control
SOT_23
Vfanout
Title
MPU/IO Interface and Power
Size Document Number
C
Date:
2
1
D
*
Power option:
+3.3V +3.3V_VP
L15 on for TP6732/40
L15
U13 on
forTP6750/60 0805/600
C215
U13
R81
3 0.1U
IN
C190
+
100U
4 2 240
OUT
1
ADJ
C
LT1117 R82
390
SOT_223
PANEL VOLTAGE SELECT:
ADT15"-->3.3V
+3.3V
FUJITSU15"-->5V
ADT17"-->5V
LG18"-->12V
VDDout
L41
B
C201
Coil 150u
0.1u
GNDP
A
ViewSonic Corporation
Rev
VG700 H
Wednesday, June 05, 2002 Sheet 3 of 6
M04-3005F1 Rev .A
1