ViewSonic VS15197 Service Manual page 22

T33 OSC, PLLs and System Interface
U1B
10MIL
0.1A bga728-nvidia-t30l-r-p-a3
1.8V COMMON
AVDD_1V8_OSC_TEGRA
2/22 OSC, PLL & SYS
L1
F30 (1.8V)
AVDD_OSC
BLM18PG121SN1D_6_2A
C26
4.7u/10V_6
GND
AVDD_1V2_PLL_TEGRA
(1.1V)
H13
AVDD_PLLA_P_C_S
C28
(1.1V)
J12
AVDD_PLLX
0.1uF/16V_4
(1.1V)
J13
AVDD_PLLM
GND
(1.1V)
AA8
AVDD_PLLU_D
C30
(1.1V)
AD7
AVDD_PLLU_D2
0.1uF/16V_4
(1.05V)
AA22
AVDD_PLLE
AVDD_1V05_PLL_E_TEGRA
GND
R6 R7 *0_4
0_4
GND
C31
0.1uF/16V_4
GND
VDD_1V8_SYS_TEGRA
K29 (1.8/3.3V)
VDDIO_SYS_1
K30
VDDIO_SYS_2
C32
0.1uF/16V_4
GND
ViewSonic Corporation
12p/50V_4
C29
GND
T30 XTAL_26M_IN
XTAL_IN
R3
Y1
7V12000003(12MHz)
2M_4
T29 XTAL_26M_OUT
XTAL_OUT
GND
GND
C27
12p/50V_4
H12
PLL_S_PLL_LF
VDD_1V8_SYS_TEGRA
R4
2.2K_4
M24 PWR_I2C_SCL R8 0_4
PWR_I2C_SCL
N27 PWR_I2C_SDA R9 0_4
PWR_I2C_SDA
N28 SYS_RESET_R#
SYS_RESET*
PMU_RESET_OUT_1V8* 19,37
R10 0_4
M22 PMU_INT*
PWR_INT*
PMU_INT* 37
N25
CORE_PWR_REQ
R24
CPU_PWR_REQ
T23
SYS_CLK_REQ
R22
PMU_CLK_32K
CLK_32K_IN
PMU_CLK_32K 37
U27 CLK_32K_OUT
CLK_32K_OUT CLK_32K_OUT 26
J30
KB_COL00
N26
KB_COL01
V25
KB_COL02
R26
KB_COL03
W26 R774 10K_4
KB_COL04
R30
KB_COL05
P27
KB_COL06
N29
KB_COL07
MAG_DRDY# 27
T26
KB_ROW00
T164
M23
KB_ROW01 T191
V27
KB_ROW02 T166
M28
KB_ROW03
T192
N24
KB_ROW04
T167
N30
KB_ROW05 T193
T24
KB_ROW06
T262
T25
KB_ROW07
T168
R27
Wake
KB_ROW08 T238
M26
KB_ROW09
T170
R25
Wake
KB_ROW10
T171
M27
KB_ROW11 T194
N23
Wake KB_ROW12
T172
V28
Wake KB_ROW13
T173
M25
Wake KB_ROW14 T174
V26
Wake KB_ROW15
T175
T27
JTAG_TCK
JTAG_TCK
JTAG_TCK 25
R29 JTAG_TDI
JTAG_TDI
JTAG_TDI 25
T28 JTAG_TDO
JTAG_TDO
JTAG_TDO 25
R23
JTAG_TMS
JTAG_TMS
JTAG_TMS 25
T22 JTAG_TRST
JTAG_TRST* T9
V24 JTAG_RTCK
JTAG_RTCK
JTAG_RTCK 25
M30 THERMD_N
THERM_DN
M29
THERMD_P
THERM_DP
N22 T30_ONE_WIRE
OWR
T10
AC18
HDMI_CEC
R28
TEST_MODE_EN R20 *Short_4
TEST_MODE_EN
GND
R5
2.2K_4
PWR_I2C_SCL_1V8
PWR_I2C_SCL_1V8
PWR_I2C_SDA_1V8
PWR_I2C_SDA_1V8
VDD_1V8_SYS_TEGRA
R11
100K_4
CORE_PWR_REQ 11,37
CPU_PWR_REQ 37
R12
10K_4
GND
VDD_3V3_NCT1008
VDD_3V3_SYS
R13 100_4
Thermal Sensor
R14 100_4 THERMD_D+ U2 WDFN8-2X2-5
C34
2 1
1000p/50V_4
D+ VDD
R16 100_4 THERMD_D- 3
D-
4 THERM
THERM*
6
ALERT*/THERM2*
PWR_I2C_SCL_1V8 8 5
SCL GND
7
PWR_I2C_SDA_1V8
SDA
Addr = 7'h4C
NCT72CMTR2G
21
Confidential - Do Not Copy
37,40
37,40
VDD_1V8_PMU_VRTC
C33
0.1uF/16V_4
R15
10K_4
GND
R17 0_4
AP_OVERHEAT* 37
VDD_3V3_NCT1008
VDD_1V8_SYS
R18 R19
10K_4 10K_4
3 1
TEMP_ALERT# 8
DMG1012T-7
Q1
VSD241/SD-A245/CDS245