ViewSonic VS15197 Service Manual page 59

Power Stitching, 3.3V
VDD_3V3_SYS
U46
(Optional)
TPS22924CYZPR
1/1
A2 A1
VIN1 VOUT1
B2 B1
VIN2 VOUT2
C394
1u/10V_4
EN_3V3_COM C2
ON
12 EN_3V3_COM
Vih = 1.2V
C1
GND
Vil = 0.6V
VDD_3V3_FUSE_TEGRA
(Optional)
VDD_3V3_SYS U47
TPS22924CYZPR
1/1
A2 0.5A A1 30MIL
VIN1 VOUT1
B2 B1
VIN2 VOUT2
C396
1u/10V_4
C2
ON
7 EN_3V3_FUSE
Vil = 0.6V C1
GND
Vih = 1.2V ~3.6V
VDD_3V3_EMMC
(Optional)
VDD_3V3_SYS U49
TPS22924CYZPR
1/1
A2 0.5A A1 30MIL
VIN1 VOUT1
B2 B1
VIN2 VOUT2
C400
1u/10V_4
C2
ON
12 EN_3V3_EMMC
Vil = 0.6V C1
GND
Vih = 1.2V ~3.6V
VDD_3V3_SDCARD
(Optional)
VDD_3V3_SYS
U50
TPS22924CYZPR
1/1
A2 0.5A A1 30MIL
VIN1 VOUT1
B2 B1
VIN2 VOUT2
C402
1u/10V_4
C2
7 EN_VDD_SDMMC1 ON
Vil = 0.6V C1
GND
Vih = 1.2V ~3.6V
ViewSonic Corporation
VDD_3V3_PMU
VDD_3V3_SYS
VDD_3V3_COM
L46 121A40_8
L47 121A40_8 L48
2A 3.3V
C395
0.47u/6.3V_4
L50
L54
L57
L59
L62
3.3V
C397
0.47u/6.3V_4
L68
L71
L73
L89
VDD_5V0 VDD_3V3_SYS
L80
L83
3.3V
C401
0.47u/6.3V_4
3.3V
C403
0.47u/6.3V_4
VDD_1V8_GEN
VDD_3V3_GMI
AVDD_1V8_OSC_TEGRA
121A40_8
L49 121A40_8
VDD_3V3_GMI_TEGRA VDD_1V8_SYS_TEGRA
121A40_8 L51 121A40_8
VDD_1V8_SDMMC4_TEGRA
AVDD_3V3_HDMI_TEGRA
L53 121A40_8
121A40_8
VDD_1V8_VI_TEGRA
AVDD_3V3_USB_TEGRA
L55 121A40_8
VDD_1V8_CAM_TEGRA
121A40_8
L58 121A40_8
VDD_3V3_PEX_CTL_TEGRA
VDD_1V8_LCD_TEGRA
121A40_8
L60 121A40_8
AVDD_1V8_HDMI_PLL_TEGRA
AVDD_3V3_SPK_AMP
121A40_8 L63 121A40_8
VDD_1V8_SYS
L65 121A40_8
AVDD_1V8_USB_PLL_TEGRA
VDD_3V3_CAM L67 121A40_8
VDD_1V8_SDMMC3_TEGRA
*121A40_8
L70 121A40_8
VDD_3V3_NFC
VDD_1V8_AUDIO_TEGRA
121A40_8
L72 121A40_8
VDD_1V8_UART_TEGRA
VDD_3V3_DDR_RX_TEGRA
121A40_8 L74 121A40_8
VDD_1V8_BB_TEGRA
VDD_3V3_AUDIO_TEGRA
L76 121A40_8
*121A40_8
VDD_1V8_EMMC
L78 121A40_8
VDD_1V8_AUDIO
L79 121A40_8
VDD_5V0_3V3_AUD
VDD_1V8_COM
121A40_8 L81 121A40_8
*121A40_8
VDD_1V8_LDO_IN
L86 121A40_8
58
Confidential - Do Not Copy
VDD_1V2_EMMC
VDD_PMU_LDO2
L45 121A40_8
VDD_1V5_GEN VDD_1V5_LDO_IN
L52 121A40_8
AVDD_1V05_PLL_E_TEGRA
VDD_PMU_LDO1
L56 121A40_8
VDD_1V8_3V3_SDMMC1_TEGRA
VDD_PMU_LDO3
L64 121A40_8
VDD_1V35_DDR3_BUCK VDD_1V35_DDR3_MEM
L75 121A40_8
VDD_1V35_DDR3_TEGRA
L77 121A40_8
V2REF_DDR3 VDD_0V675_DDR3_VREF
L82 121A40_8
VSD241/SD-A245/CDS245