ViewSonic VA712b-1 Service Manual page 71

DC/DC
-6.9V
VGL
CP7 CP7 CP8 CP8
0603/1u/10V/Y/RoHS 0603/1u/10V/Y/RoHS
0603/100n/25V/Y 0603/100n/25V/Y
VIN_19V
LP5 LP5
FP1 FP1
1 2 1 2
MHC2012S420R/RoHS MHC2012S420R/RoHS
3216FF/1206/3A/RoHS 3216FF/1206/3A/RoHS
CP26 CP26
25CV100AX/RoHS 25CV100AX/RoHS
RP56 RP56
0603/12K/5%/RoHS 0603/12K/5%/RoHS
0603/3.9K/5%/RoHS 0603/3.9K/5%/RoHS
RP57 RP57
CP40 CP40
0603/100n/25V/Y/RoHS 0603/100n/25V/Y/RoHS
V19V
RP30 RP30
0603/10K/5%/RoHS 0603/10K/5%/RoHS
PANEL_ONB
1
ZDP2 ZDP2
BZT52-C5V1S/RoHS BZT52-C5V1S/RoHS
QP11 QP11
PANEL_ON/OFF 1 2N7002/RoHS 2N7002/RoHS
RP35 RP35
0603/1M/5%/RoHS 0603/1M/5%/RoHS
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LP1 LP1
MCB1608U121E MCB1608U121E
LP2 LP2 MCB1608U121E MCB1608U121E
LP3 LP3 MCB1608U121E MCB1608U121E
[INV_GND]
RP51 RP51 Power Sequence : 5V -> VL -> VH & AVDD
Open Open
QP12 QP12
PMBT3906/PbF PMBT3906/PbF
DP2 DP2
2 3 1
BAV99 BAV99
CP3 CP3
1206/2.2u/25V/Y/E 1206/2.2u/25V/Y/E
RP52 RP52 RP53 RP53
0603/39K/5% 0603/39K/5% RP54 RP54 0603/4.7K/5% 0603/4.7K/5%
0603/47K/5% 0603/47K/5%
PMBT3906/PbF PMBT3906/PbF
1
QP13 QP13
RP55 RP55
ZDP3 ZDP3
0603/68K/5% 0603/68K/5%
BZT52-C3V9S BZT52-C3V9S
QP4 QP4
CEM9435A/RoHS CEM9435A/RoHS
V19V
RP16 RP16
0603/1K/5%/RoHS 0603/1K/5%/RoHS 0603/2.7K/5%/RoHS 0603/2.7K/5%/RoHS
CP23 CP23
3
QP5 QP5
RP13 RP13
1 0603/10K/5%/RoHS 0603/10K/5%/RoHS
2
RP18 RP18
PANEL_ONB
OUT1 MMBT2222ALT1/RoHS MMBT2222ALT1/RoHS
QP6 QP6
0603/100R/5%/RoHS 0603/100R/5%/RoHS
1
MMBT2907ALT1/RoHS MMBT2907ALT1/RoHS
ZDP11 ZDP11 RP19 RP19
BZT52-C5V1S/RoHS BZT52-C5V1S/RoHS 0603/10K/5%/RoHS 0603/10K/5%/RoHS
RP59 RP59
OPEN OPEN
[Near UP1] RP23 RP23
V19V CP25 CP25
0603/10K/5%/RoHS 0603/10K/5%/RoHS
0603/220p/50V/N/Pb Free 0603/220p/50V/N/Pb Free
0603/100n/25V/Y/RoHS 0603/100n/25V/Y/RoHS
CP27 CP27
CP28 CP28
1210/4.7u/25V/5/RoHS 1210/4.7u/25V/5/RoHS
QP21 QP21
PUMD2/RoHS PUMD2/RoHS
IC_Vcc
[Near UP1] IC_VREF
0603/100n/25V/Y/RoHS 0603/100n/25V/Y/RoHS CP29 CP29
CP22 CP22 0805/2.2u/16V/Y/RoHS 0805/2.2u/16V/Y/RoHS
DC_ON
QP10 QP10
2N7002/RoHS 2N7002/RoHS
RP34 RP34
0603/1M/5%/RoHS 0603/1M/5%/RoHS
Confidential - Do Not Copy VA712-1_VA712b-1
68
DP1 DP1
BAV99 BAV99 RP1 RP1
CP1 CP1 CP2 CP2 0603/0R/5% 0603/0R/5%
3 2 1 2
0603/100n/50V/Y 0603/100n/50V/Y 0603/100n/50V/Y 0603/100n/50V/Y
CP4 CP4
1206/2.2u/50V/Y/E 1206/2.2u/50V/Y/E
VAA1
DP5 DP5
CP9 CP9
open open
3 2
open open CP11 CP11
open open
LP4 LP4
SLF10155T/10uH SLF10155T/10uH
1206/1u/25V/7/Pb Free 1206/1u/25V/7/Pb Free
DP6 DP6 CP14 CP14 CP16 CP16
EC31QS03L/RoHS EC31QS03L/RoHS
0603/100n/25V/Y/RoHS 0603/100n/25V/Y/RoHS
RP11 RP11
0603/62K/1% 0603/62K/1%
NON1 CP17 CP17
0603/10n/25V/7/RoHS 0603/10n/25V/7/RoHS
RP14 RP14 RP58 RP58
0603/3.6K/1%/RoHS 0603/3.6K/1%/RoHS
RP15 RP15
0603/3.6K/1% 0603/3.6K/1%
0805/1u/16V/Y/C/RoHS 0805/1u/16V/Y/C/RoHS
RP17 RP17
0603/4.75K/0.1% 0603/4.75K/0.1%
IC_VREF
2 3
QP19 QP19
2N7002/RoHS 2N7002/RoHS
RP20 RP20
0603/10K/5%/RoHS 0603/10K/5%/RoHS
CP24 CP24
0603/4.7n/50V/7/RoHS 0603/4.7n/50V/7/RoHS
OUT1
NON1
RP24 RP24
OUT2
RP21 RP21
0603/100R/5% 0603/100R/5%
0603/18K/1%/RoHS 0603/18K/1%/RoHS
UP1 UP1
AT1741 AT1741
[Near UP1]
IC_Vcc
CP30 CP30
CP31 CP31
0603/470n/25V/Y/RoHS 0603/470n/25V/Y/RoHS RP25 RP25
0603/10n/50V/7/Pb Free 0603/10n/50V/7/Pb Free 0603/10K/5%/RoHS 0603/10K/5%/RoHS
NON2
RP26 RP26 CP32 CP32 RP27 RP27
0603/4.7K/5%/RoHS 0603/4.7K/5%/RoHS
0603/5.6K/1%/RoHS 0603/5.6K/1%/RoHS
0805/1u/16V/Y/C/RoHS 0805/1u/16V/Y/C/RoHS
IC_VREF
RP28 RP28
0603/10K/5%/RoHS 0603/10K/5%/RoHS
RP32 RP32
0603/10K/5%/RoHS 0603/10K/5%/RoHS
QP1 QP1
ZDP1 ZDP1
PMBT3906/PbF PMBT3906/PbF 23V
1 2 3 VGH
BZT52-C5V1S BZT52-C5V1S
RP3 RP3
0603/100K/5% 0603/100K/5%
1
CP5 CP5
RP4 RP4
1210/1u/50V/7/PbF 1210/1u/50V/7/PbF
0603/33K/5% 0603/33K/5% 1210/1u/50V/7/PbF 1210/1u/50V/7/PbF
RP6 RP6 CP10 CP10
RP8 RP8 QP2 QP2
0603/47K/5% 0603/47K/5%
0603/100K/5% 0603/100K/5%
1 1
VAA 2N7002/RoHS 2N7002/RoHS
RP9 RP9
CP13 CP13 0603/100K/5% 0603/100K/5%
0603/100n/25V/Y 0603/100n/25V/Y
??
VAA1
RP12 RP12
0603/62K/1% 0603/62K/1%
0603/100K/5% 0603/100K/5%
GV476M016S0ANE010/RoHS GV476M016S0ANE010/RoHS
1210/4.7u/16V/7/PbF 1210/4.7u/16V/7/PbF
CP18 CP18 CP20 CP20 CP21 CP21
RP42 RP42
0603/100n/25V/Y 0603/100n/25V/Y 0603/100K/5% 0603/100K/5%
PANEL_ON/OFF 1
CP39 CP39
0603/100n/25V/Y 0603/100n/25V/Y
V19V
QP7 QP7
3
RP22 RP22 1
2
MMBT2222ALT1 MMBT2222ALT1
0603/1K/5% 0603/1K/5%
QP8 QP8
CEM9435A CEM9435A
QP9 QP9
1
MMBT2907ALT1 MMBT2907ALT1
LP6 LP6 SLF10155T/33uH SLF10155T/33uH
ZDP12 ZDP12
BZT52-C5V1S BZT52-C5V1S
DP7 DP7
B340/A B340/A
RP60 RP60 CP33 CP33 CP35 CP35
OPEN OPEN
0603/100n/25V/Y 0603/100n/25V/Y
RP29 RP29
0603/39K/1% 0603/39K/1% 1206/10u/6.3V/5/RoHS 1206/10u/6.3V/5/RoHS
NON2
RP50 RP50
0603/39K/1% 0603/39K/1%
RP31 RP31 CP36 CP36
0603/12K/1% 0603/12K/1%
0603/10n/25V/7/RoHS 0603/10n/25V/7/RoHS
RP33 RP33
0603/1K/1% 0603/1K/1%
VIN_19V1 VIN_19V1
VIN_19V VIN_19V
1
TP VIN_19V
TP TP
V5A1 V5A1
V5A
V5A
1
TP
TP TP
VAA
VAA1 VAA1
VAA
1
TP
TP TP
VGH
VGH1 VGH1
VGH
1
TP
VGL
TP TP
VGL1 VGL1
VGL
1
TP PANEL_ON/OFF
TP TP
VGL2 VGL2
VGL
1
TP
TP TP
VAA2 VAA2
VAA
1
TP
TP TP
RP44 RP44 Open Open
QP18 QP18 AP2305N AP2305N
10V
2 3 VAA
RP40 RP40
1
RP41 RP41
0603/33K/5% 0603/33K/5%
QP17 QP17
1
2N7002/RoHS 2N7002/RoHS
RP43 RP43
open open
5.0V
V5A
GV476M016S0ANE010/RoHS GV476M016S0ANE010/RoHS
CP34 CP34