ViewSonic VS11755 Service Manual page 26

SCALAR
2007/12/05 Fine Tune
100M/10ohm
FB1
1 2 R52 0402/100R/ 5%
RI+
MCB1005S100FA
R53 C27
0402/75R/5% OPEN/0402/ 12p/50V/N
R55 0402/100R/ 5%
GND_POWER
2007/12/05 Fine Tune
R56 0402/100R/ 5%
FB2
1 2 R57 0402/100R/ 5%
GI+
MCB1005S100FA
R59 C33
0402/75R/5% OPEN/0402/ 12p/50V/N
R61 0402/100R/ 5%
GND_POWER
2007/12/05 Fine Tune
FB3
1 2 R63 0402/100R/ 5%
BI+
MCB1005S100FA
R67 C42
0402/75R/5%
OPEN/0402/ 12p/50V/N
R69 0402/100R/ 5%
GND_POWER
R72 0402/100R/5%
VSIN
C44
0402/ 22p/50V/N
GND_POWER
R78 0402/ 100R/5%
HSIN
C50
0402/12p/50V/N
GND_POWER
C25 0402/47n/16V/ Y RI 1
RI1-
C28 0402/47n/16V/ Y
RESET_MCU
C30 0402/47n/16V/ Y SOGI
C31 0402/47n/16V/ Y GI1
R58
OPEN/0402/1M/1%
2534V-->R30,R28,Q2 NC; R29
2534O-->R30,R28,Q2
GND_POWER
R29 NC
GI1-
C34 0402/47n/16V/ Y
V33S_PAD
V18S_C
BSTHI
FSTHI
V18S_C
C39 0402/47n/16V/ Y BI 1
GND
VCM_PWM
V33S_PAD
GND
BI1-
C43 0402/47n/16V/ Y R71
0402/10K/5%
R73
0402/30K/5%
V33S_PAD
VSY NC
GND_POWER
V33S
HSY NC
Serial
Host
Interface
RTD_SDI O3
RTD_SDIO3
RTD_SCSB
RTD_SCSB
RTD_SCLK
RTD_SCLK
V33S
R28
OPEN/0402/10K/5%
R29 0402/0R/5%
OPEN/ 2N7002 U6
Q2 1 RESET_OUT
R30 OPEN/0402/ 2K/ 5%
GND_POWER
A_R1P 103
; AR2P
A_R1N 104
AR2N
A_R0P
105
AR1P
A_R0N 106
AR1N
107
GND_POWER GND_POWER
PGND
C32 0402/100n/16V/ Y 108
PVCC
109
VCCK
110
GND_POWER TCON13
TCON13
C36 0402/100n/16V/Y TCON2 111
TCON7/TCON2/PWM1
R68 22 ohm 1/16W 112
TCON13
SDI O0/ TCON10
R91 22 ohm 1/16W 113
TCON2
SDI O1/ TCON8
114
SDI O2/ TCON5
RTD_SDIO3
115
SDI O3
117
GND_POWER GND_POWER
GNDK
C40 0402/100n/16V/ Y 116
VCCK
RTD_SCSB 118
SCSB
RTD_SCLK 119
SCLK
R66 0402/22R/5% 120
DVI_SDA DDCSDA2/TCON6/TCON11
R65 0402/22R/5% 121
DVI_SCL DDCSCL2/TCON4
PWM0 122
PWM0/ TCON9
123
RESET
V33S_PAD 124
33V_REF
125
PVCC
126
NC
127
XO
R70 128
XI
0402/1K/ 5%
RESET_OUT
C74
0402/100n/16V/Y
GND_POWER GND
YOUT
GND
GND_POWER
GND_POWER GND_POWER
C46
OPTION Remark
V33S_PAD
PIN3(PLL TEST1):
MCU Host interface
Type
"H"--112~115+118/119,
"L"--51~56
PIN4(PLL TEST2):
RX2+
Crystal in Frequecy
RX2-
"H"--1X(24MHz Crystal)
RX1+
RX1-
"L"--2X(12MHz Crystal)
RX0+
RX0-
PIN5(TMDS TEST):
RXC+
Host Interface Select RXC-
"H"--Parallel
"L"--Serial
V33S_PAD V33S_PAD
C23 C24
0402/100n/16V/Y 0402/100n/16V/Y
GND_POWER GND_POWER
V33S
GND_POWER GND_POWER
64 B_B1N
BB2N
63 B_B1P
BB2P
B_B2N
62
BB3N
61 B_B2P
BB3P
60
PGND
59
PVCC
58
NC
57
NC
56
GNDK
55
VCCK GND_POWER
54
PGND
53
GND_POWER
PVCC
52
RTD2554V TCON13
51 0402/22R/5%
DDCSDA1/ TCON9
50 0402/22R/5%
DDCSCL1/ TCON4
49 TCON1
PWM2/ TCON1
48
TCON0
PWM1/ TCON0
47
VCCK
46
GNDK GND_POWER
45
GND_POWER
NC
44
TCON4
TCON4/ TCON8
43 TCON11
TCON11
42
TCON5
TCON5/TCON10
41 TCON7
TCON7
40
AVS1_TEST
39
AHS1_TEST
delete R117
GND_POWER GND_POWER GND_POWER
GND_POWER
GND_POWER
GND_POWER GND_POWER
C45 C47 C48
C49
V18S_C
RX2+
RX2-
RX1+
RX1-
RX0+
RX0-
RXC+
RXC-
V18S_C
MCB1608S601EA
B4 1 2
V18S
C26
+
22uF/16V
V33S GND_POWER V33S_PAD
MCB1608S601EA
B5 1 2
C29
+
22uF/16V
GND_POWER
GND_POWER
C35
GND_POWER GND_POWER
V33S_PAD
0402/100n/16V/ Y
C37
A_R0N
0402/100n/16V/ Y
GND_POWER BB2P
A_R0P
V18S_C BB2N
C38
GND_POWER
A_R1N
V33S_PAD
BB1P
A_R1P
0402/100n/16V/ Y
BB1N
R62
VGA_SDA
R64 A_R2N
VGA_SCL BB0P
R20 22 ohm 1/ 16W TCON1 A_R2P
BB0N
STV
R7 22 ohm 1/ 16W
TCON0
STB
A_G0N
V18S_C
BG2P
C41 A_G0P
BG2N
0402/100n/ 16V/Y
R8 22 ohm 1/ 16W A_G1N
TCON4
CKV BG1P
A_G1P
R9 22 ohm 1/ 16W TCON11
BG1N
OE
R11 22 ohm 1/ 16W TCON5
GVOFF
A_G2N
R19 22 ohm 1/ 16W TCON7
BG0P
POL
A_G2P
BG0N
A_CKN
BCKP
A_CKP
BCKN
A_B0N
BR2P
A_B0P
BR2N
A_B1N
BR1P
A_B1P
BR1N
A_B2N
BR0P
A_B2P
BR0N
RB-Swap,
PN-Swap,
H/L
B_R0N
FB2P
B_R0P
FB2N
bit-Swap
B_R1N
FB1P
B_R1P
FB1N
B_R2N
FB0P
B_R2P
FB0N
B_G0N
FG2P
B_G0P
FG2N
B_G1N
FG1P
B_G1P
FG1N
B_G2N
FG0P
B_G2P
FG0N
B_CKN
FCKP
B_CKP
FCKN
B_B0N
FR2P
B_B0P
FR2N
B_B1N
FR1P
B_B1P
FR1N
B_B2N
FR0P
B_B2P
FR0N