Service manual
8.3. MT8202 PBGA 388
MTK modify
B+ & GND
AUTO_FINE_TUNE
LVDS DATA
VGA
YPbPr
S
AV
NTSC
AUDIO OUT
I2S SWITCH
HDMI or ATSC AV
DDR
FLASH MEMORY
MTK modify
VGAHSYNC_1
F_D[0..7]
ADC_IN3
HDMIDE
GPIO16
SOY0
CVBS0
RED+
TESTP3
HDMICEN
SB33B
MPX1
HDMISD3
SB18A
LVDS_GND
XTALVDD
AUDIO_GND
GPIO11
GPIO7
VFE_GND
PR0+
CLK1+
VFE_GND1
SDV25A
INT0_1
IRRCVR
GPIO17
VPLLVDD1
PB0+
LVDDC
TXD1GPIO5
AVICM
HDMIODCK
UP3_0
SY0
A_WE_1
AL
TESTN3
VREF
A_BA[0..1]
BLUE-
DV18A
PLLVDD2
ADCVDD
AOMCLK
GPIO8
VPLLVDD2
AP[0..3]
Y0-
DE
PB0-
IOWR_1
ICE
AVDD_VAD1
LVDDB
ADIN
IOSCL
GREEN-
REFP
27MHZ
AVDD_VFE1
TXDUTXD
A_DQM[0..1]
PWM2VREF
SCL1
A_RAS_1
IOSDA
A_CLK
GPIO13
GPIO9
HDMISD0
PWM1
DV25A
TESTP4
RXD1
AOBCLK
HDMILRCK
AOSDATA2
A_CLK_1
REFN
RXD1
HDMIHSYNC
ADACVDD
DACFS
SDA1
CLK1-
AN[0..3]
A_DQS[0..3]
GPIO14
AOSDATA3
PLLVDD1
AOSDATA1
HDMISD1
HDMIBCLK
GPIO15
PLLVDD3
IOA[0..7]
RXD
GPIO3
GPIO2
TESTN4
LVDDA
F_OE_1
PWM0
A_CAS_1
AOLRCK
RED-
VGASOG
A_DQ[0..31]
HDMIVSYNC
CVBS1
IOCE_1
SC0
AR
TXD1
A_CKE
GPIO10
HDMIMCLK
A_CS_1
PR0-
AOSDATA0
VI[0..23]
AADCVSS
BLUE+
F_A[8..21]
HDMISD2
INT0_1
AVDD_VAD0
VGAVSYNC_1
TXD
AVDD_VFE0
GREEN+
GPIO4
URST_1
A_RA[0..11]
AADCVDD
Y0+
RXD1GPIO6
RXDURXD
ERO3_GPIO
VIDEO_OUT
CCIR_GPIO_D
SDA0
SCL0
XTALI
AUD_CTRL
READY#
TUNER_SW
DE
DCLK
RED_LED
GREEN_LED
SB33A
SC0
HDMILRCK
VI9
GND
PWM1
A_BA0
GND
A_CLK_1
A_DQ11
A_DQ31
A_DQ30
GND
F_D1
SB18A
AADCVSS
SDA1
TESTP3
REFP
VI6
A_DQ6
DACFS
F_A10
PLLVDD3
GND
A_RA0
A_DQ14
A_DQ4
LVDS_GND
LVDS_GND
AP1
SDV25A
IOA1
F_A20
F_A17
VFE_GND
GND
AADCVDD
CVBS1
REFN
SCL1
HDMISD3
GND
VI1
A_RA11
F_D6
F_A21
AN3
VREF
A_DQS1
LVDS_GND
GND
URXD
GND
AL
MPX1
AVDD_VFE1
DV18A
VI19
VI7
VI4
HDMICEN
READY#
GPIO11
A_DQ9
GND
A_DQ22
ADCVDD
F_A15
IOA6
GPIO16
GPIO13
GPIO4
AOSDATA5
GND
SB33A
DCLK
VIDEO_OUT
GND
VFE_GND1
GND
GND
ACENT
PR0-
Y0+
HDMISD1
HDMIMCLK
VI15
CLK1+
PLLVDD2
DV25A
A_DQ18
A_DQ26
LVDS_GND
ADC_IN2
ADC_IN4
F_D4
GPIO10
GND
GND
GND VFE_GND1
PLLVDD1
TESTP1
BLUE+
HDMIODCK
AOLRCK
TESTN4
LVDS_GND
A_RA3
A_DQ12
A_DQ8
AN0
A_DQ23
A_DQ24
F_D0
IOA7
F_A9
AOSDATA0
UP3_4
URST_1
UTXD
ADACVDD
VFE_GND
VGAHSYNC_1
HDMISD0
VI5
A_DQ13
GPIO2
A_RA2
A_DQ0
A_CAS_1
GND
GND
A_DQ29
F_A19
F_D3
AOSDATA1
DV25A
DE
GND
GND
LVDDB
AVDD_VFE0
VFE_GND1
Y0-
VI18
VI2
27MHZ
DV25A
DV25A
LVDS_GND
LVDS_GND
LVDS_GND
A_DQ2
TESTP4
A_DQ28
F_A8
F_A16
GPIO3
INT0_1
A_DQ19
XTALO
GND
DV33A
IDT_OE
IOA2
A_DQ27
LVDS_GND
IOSCL
DV33A
XTALO
DACVDDA
GPIO6
GPIO5
A_RA7
DACVREF
F_D7
DV18A
GND
VFE_GND
VFE_GND1
TESTN2
MPX2
VFE_GND1
PB0-
CCIR_GPIO_D
AUD_CTRL
VI20
VPLLVDD1
GREEN+
DACVDDB
AOSDATA2
GND
AUDIO_GND
HDMISD2
VI14
GND
VI3
A_DQM0
A_RAS_1
AP3
A_DQ21
AP0
GND
GPIO8
A_RA9
A_RA5
LVDS_GND
TXD1
GND
GND
AADCVSS
VGASOG
BLUE-
VI22
VI16
VI13
VI10
VI0
HDMIHSYNC
DV18A
AN2
LVDS_GND
A_WE_1
PWM0
ERO3_GPIO
GND
XTALI
IOA4
GND
GPIO14
A_RA4
AP2
TESTN3
SY0
AVDD_VAD1
RED+
VI23
VI17
GND
DV33A
SB18A
ADC_IN1
A_DQM1
F_OE_1
SB33A
IOA5
GPIO7
AOBCLK
GND
AOMCLK
VFE_GND
GND
GND
AR
PB0+
TESTN1
VI11
HDMIVSYNC
A_BA1
PWR_ON_OFF
DV25A
A_DQ17
DACVDDC
A_DQS2
AN1
LVDDC
A_DQ25
PWM2VREF
IOSDA
F_D5
TUNER_SW
IOA3
F_A12
LVDS_GND
AVICM
AVDD_VAD0
HDMIBCLK
VI12
VI8
A_DQS0
A_CKE
A_CLK
A_DQS3
IOWR_1
A_RA1
A_RA10
A_DQ7
F_A18
AOSDATA4
AOSDATA3
A_DQ16
A_RA6
VFE_GND1
GND
CVBS0
SOY0
RED-
VFE_GND
VGAVSYNC_1
GND
VI21
DV18A
HDMIDE
GND
F_A11
F_A13
CLK1-
A_CS_1
DV18A
A_DQ15
XTALVDD
LVDDA
VPLLVDD2
SDV25A
ADC_IN3
GREEN-
F_D2
DV18A
ADIN
IRRCVR
DV33A
PR0+
ICE
ADC_IN0
A_DQ10
GND
A_DQ20
SDV25A
IOCE_1
F_A14
GPIO9
A_RA8
LVDS_GND
IOA0
SCL0
A_DQ5
UP3_0
GREEN_LED
TESTP2
GPIO17
A_DQ3
GPIO15
A_DQ1
SDA0
PWR_ON_OFF
IDT_OE
RED_LED
HD_PON
TESTN3 5
HDMIVSYNC 10,12
HDMIHSYNC 10,12
IOSDA 10,13,23,26
F_A[8..21] 4
VPLLVDD2 5
BLUE+ 22
HDMIBCLK 12
GPIO10 24
A_CKE 4
AL 21
VGAVSYNC_1 22
TESTP3 5
CVBS1 8
GPIO15 24
HDMISD3 10
RXD1 12
VPLLVDD1 5
SDA1 12
HDMIMCLK 12
GPIO9 19
AR 21
VGAHSYNC_1 22
A_RA[0..11] 4
TESTN4 5
CLK1- 25
F_OE_1 4
HDMISD2 10
RED- 22
AOLRCK 20,23
SOY0 8
GPIO8 23
MPX1 8
TESTP4 5
LVDDB 5
HDMISD1 10
URST_1 26
PLLVDD2 5
GREEN- 22
A_BA[0..1] 4
PR0+ 8
GPIO7 19
Y0- 8
F_D[0..7] 4
27MHZ 10
LVDDC 5
AUDIO_GND 5,21,22
GPIO14 24
ADIN 20
AVDD_VAD0 5
GPIO4 26
PR0- 8
GPIO3 12
A_CLK_1 4
VI[0..23] 10,12
SDV25A 4
TXD 26
VGASOG 22
A_WE_1 4
PLLVDD1 5
Y0+ 8
GPIO2 25
DACFS 5
PWM2VREF 5
DV25A 4
AOMCLK 20,23
ADC_IN3 7
LVDS_GND 2,5,25
XTALVDD 5
ADCVDD 5
A_DQM[0..1] 4
PB0+ 8
AVICM 5
RXD 26
RED+ 22
A_CLK 4
VFE_GND 2,5,8,22
CLK1+ 25
ADACVDD 5
GPIO13 24
PB0- 8
SC0 8
IRRCVR 24
GPIO17 10
INT0_1 10
A_RAS_1 4
AVDD_VFE0 5
AOBCLK 20,23
IOWR_1 4
REFN 5
BLUE- 22
A_DQS[0..3] 4
AN[0..3] 25
AVDD_VFE1 5
AADCVDD 5
LVDDA 5
VREF 4
A_CAS_1 4
REFP 5
IOA[0..7] 4
HDMICEN 10
PWM1 1
A_DQ[0..31] 4
HDMIDE 10,12
AVDD_VAD1 5
IOSCL 10,13,23,26
IOCE_1 4
HDMISD0 12
GREEN+ 22
VFE_GND1 2,5,8,22
AOSDATA1 23
PWM0 1
GPIO16 24
AP[0..3] 25
HDMIODCK 10,12
CVBS0 8
PLLVDD3 5
TXD1 12
HDMILRCK 12
GPIO11 24
SCL1 12
AADCVSS 5,21,22
UP3_0 24
A_CS_1 4
SY0 8
ERO3_GPIO 20
VIDEO_OUT 21
CCIR_GPIO_D 10
SDA0 26
SCL0 26
AUD_CTRL12
TUNER_SW 13
READY# 7
RED_LED 24
GREEN_LED 24
PWR_ON_OFF 1
IDT_OE 13
HD_PON 11
SB33B
SB18A
DV33A
SB33B
SB33B
DV18A
SB33B
SB33A
TP34
TP07
TP38
TP14
TP11
TP20
R118
10K
TP15
TP31
TP16
TP79
R114
1M5
TP36
TP08
R116
(NC)10K
TP09
R870 0
X100
27MHz
TP17
R119
10K
TP18
TP01
TP80
TP27
R869 0
TP13
TP03
C136
27P
TP33
TP19
TP02
R117
1K
MT8202
SOCKET
I106
MT8202
BGA388/SOCKET
C9
U4
M3
M4
M1
K1
B6
A6
C6
D6
C3
C2
C4
C10
D12
B16
A10
C8
D5
A14
R13
AF10
AC11
AD11
AC12
AE11
AF11
AF12
AE10
AC7
K2
D3
L1
L2
L3
L4
N1
N4
M11
P1
P2
P3
P4
N12
R1
R4
R2
T1
T4
U1
U2
U3
V1
V3
V2
V4
W3
W4
Y1
Y2
L12
F3
M12
F2
D2
H2
H3
H4
G1
K3
G3
C1
B5
B3
E4
G2
H1
A5
A4
D1
A3
A2
B2
G4
B4
AA1
D18
A18
D20
A21
AE13
C18
T26
C20
B20
A23
C11 AC16
AC15
AD16
AC14
AD15
AF16
T14
AE15
AD14
AE14
J1
A8
A9
B13
D16
C16
A17
C17
C12
A13
A15
D9
B9
D13
A22
A20
C19
D19
R14
AF14
AF13
AD13
T13
D7
K4
B8
B22
AD17
AC17
AF17
AC13
AE17
AE12
AC1
AC4
AD5
AE1
AF1
AA2
AE5
AF4
AE4
AF3
R12
AE3
AF2
T25
AD3
P12
AC8
AF7
AF6
R11
AF5
AB3
AB2
AB1
AE8
AD8
AA4
AF9
AF8
AD9
T11
N11
AD7
AC18
C21
B21
A19
D21
B19
B18
B14
B12
B17
A12
D10
D11
D14
D15
B15
AC2
F1
L11
C14
B10
B11
D17
C15
F4
B1
J2
AD12
AC9
AE16
AF15
AD10
AE9
AC10
AE2
AD1
AC5
W1
Y3
R3
T2
D4
C7
E3
T12
AB4
A16
A11
AC6
AE7
AE6
M2
B7
E1
N3
AD2
AC3
P11
Y4
T3
AD6
W2
AD4
AD18
AE18
AF18
AF19
AD19
AC19
AF20
AE20
AD20
AD21
AF21
AE19
AE21
AF22
AC21
AC22
AE22
AD22
R15
AF23
T15
AE23
AD23
AF24
AE24
AD24
AF25
AF26
AE25
AE26
AC20
AD25
AC23
AD26
AC25
AC26
AB26
AB25
AC24
AA25
AA26
AA23
AA24
AB24
T16
W23
Y26
Y25
Y24
Y23
R16
W26
W25
W24
V24
V23
U23
U24
V26
V25
N24
U25
U26
T24
R25
R26
R23
R24
P23
M24
P24
P25
P26
N25
N26
M25
M26
L24
L25
L26
K25
K26
J25
J26
L23
G26
G25
F26
F25
H23
G23
G24
D25
D26
J23
E26
E25
F24
F23
E24
B26
C26
D24
C25
B25
C24
B24
A24
A26
A25
D23
C23
D22
C22
C13
A7
B23
D8
AB23
P13
N16
N15
N14
N13
M16
P16
P15
P14
A1
C5
J3
J4
E23
H24
H25
H26
K23
M23
N23
AA3
M15
L16
L13
E2
M13
L14
L15
M14
J24
K24
T23
N2
A5P/EBO1
DVDD18
RXD
TXD
AOMCLK
WR#
VSYNCO
HSYNCO
DE/GPIO
VCLK/GPIO
A17
IOA0
AD7
A6P/EBO3
A7N/EBO6
VREF
A2P/EGO1
A4P/EGO7
DVDD33A
LVSSC
DVSS25
RA8
RA7
RA6
DQ16
RA5
RA4
DQ19
RA9
DVDD25_CLK
RD#
IOA3
INT0
PRST#
UP3_4
IR
AOBCK
LIN
DVSS18
AOSDATA0/GPIO
AOSDATA1/GPIO
AOSDATA2/GPIO
AOSDATA3/GPIO
DVSS33
GPIO0/AOSDATA4
GPIO3
GPIO1/AOSDATA5
FCICLK/GPIO
GPIO4
GPIO5/TXD
GPIO6/RXD
DVDD18
GPIO7
GPIO9
GPIO8
GPIO10
GPIO13
GPIO14
GPIO15
GPIO16
DVSS18
HIGHA1
DVSS18
IOA20
A16
IOA6
IOA5
DVDD33A
IOA4
DVDD18A
IOA18
IOA1
IOOE#
AD3
HIGHA6
HIGHA0
IOA7
IOCS#
AD0
HIGHA7
AD2
AD4
AD5
IOA19
AD1
SDA
ADCVDD
B
ADIN4/GPIO
XTALI
DQ22
PWM2VREF
GN
ADIN3/GPIO
ADIN2/GPIO
PLLVSS3
CK2P/EBO5 DQ29
DVDD25OPT
DQ28
DVDD25OPT
DVDD25OPT
DQ26
DVSS25
DQ25
DQ24
DQM1
IOALE
A0P/ERO5
A1P/ERO7
LVDDC
DACVDDB
DACVDDA
G
DACVSSB
A7P/EBO7
VPLLVDD2
TP4
A5N/EBO0
A1N/ERO6
LVDDA
XTALVDD
XTALO
ADIN1/GPIO
DACVSSA
DVSS18
DQS2
DQ23
DQ21
DVSS25
ERO3/GPIO
DVDD18A
A0N/ERO4
PLLVSS2
GPIO/PWM0
DVDD33I
DQ30
DQ20
DQ31
DQ18
DQ4
DQ7
DVDD25
DQS1
DQ8
SCL
RWE#
DQ15
DQ14
DQ12
DVSS18
DQ11
DQ10
GP
RVREF
DVSS18
DVDD18
RA10
RCS#
DVSS25
CAS#
DQ2
DQ1
DQ0
RA1
RA0
DVDD33
RCLKB
RA2
RA3
DVSS25
DVSS25
BA0
GPIO/PWM1
PLLVDD2
PLLVDD3
XTALVSS
ADCVSS
ADIN0/GPIO
SVM
LVSSB
A3N/EGO4
R
A3P/EGO5
A6N/EBO2
CK2N/EBO4
VPLLVSS
VPLLVDD1
TN4
DQ5
IOA21
DVSS33
LVSSA
A2N/EGO0
CK1N/EGO2
DACVSSC
DACVDDC
HIGHA2
AD6
IOWR#
DQ17
DVDD18
DQ27
DQS3
RA11
RCLK
CKE
DQ9
DQS0
DVDD25
GPIO11
GPIO17
GPIO2
FCICMD/GPIO
IOA2
ERO2/UP3_5
HIGHA5
DVSS18
DQ3
FS
CK1P/EGO3
DVDD25
BA1
RAS#
ICE
ERO1/UP3_1
HIGHA3
AOLRCK
DQM0
DQ6
DVSS25
GPIO18
FCIDAT/GPIO
DVDD25
GPIO12
DQ13
OUT_27MHZ/GPIO
DE_SOG/GPIO
CEN_DVI/GPIO
VSYNC_DVI
HSYNC_DVI
DE_DVI
VI0
VI1
VI2
VI5
VI3
VCLK_DVI
VI4
VI7
VI6
DVDD18
VI8
VI9
DVSS33I
VI10
DVSS18
VI11
VI12
VI13
VI14
VI15
VI16
VI17
VI18
VI19
DVDD33
VI20
DVDD18
VI21
VI22
VI23
HDMIMCLK/GPIO
HDMIBCLK/GPIO
HDMILRCK/GPIO
HDMISD0/GPIO
HDMISD1/GPIO
HDMISD2/GPIO
HDMISD3/GPIO
SCL1
DVSS33
CCIR_VCLK/GPIO
CCIR_V0/GPIO
CCIR_V1/GPIO
CCIR_V2/GPIO
CCIR_V3/GPIO
DVSS18
CCIR_V4/GPIO
CCIR_V5/GPIO
CCIR_V6/GPIO
CCIR_V7/GPIO
SDA0
SCL0
FAST_BLANK
HSYNC
VSYNC
AVSS_VFE1
BP
BN
SOG
RP
RN
AVDD_VFE1
TN1
TP1
AVSS_VAD1
SOY0
Y0P
Y0N
PB0P
PB0N
PR0P
PR0N
SOY1
Y1P
Y1N
PB1P
PB1N
PR1P
PR1N
AVDD_VAD1
SC1
SY1
SC0
SY0
AVSS_VFE0
AVSS_VAD0
REFN
CVBS1
CVBS0
AVDD_VFE0
CVBS3
CVBS2
REFP
AVDD_VAD0
AADCVDD
SIF
AF
AADCVSS
TN2
TP2
ADACVDD
ACENT/AOSDAT2
AVICM
AR/AOSDAT1
AL/AOSDAT0
ADACVSS
TP3
TN3
PLLVDD1
LVDDB
ERO0/UP3_0
PLLVSS1
A4N/EGO6
SDA1
DGND/BALL
DGND/BALL
DGND/BALL
DGND/BALL
DGND/BALL
DGND/BALL
DGND/BALL
DGND/BALL
DGND/BALL
NC BALL
NC BALL
NC BALL
NC BALL
AADCVSS
VFE_GND1
VFE_GND1
VFE_GND1
VFE_GND1
VFE_GND
VFE_GND
NC BALL
DGND/BALL
DGND/BALL
DGND/BALL
HIGHA4
DGND/BALL
DGND/BALL
DGND/BALL
DGND/BALL
NC BALL
NC BALL
NC BALL
NC BALL
TP10
TP29
TP22
TP04
C135
22P
TP30
TP25
TP12
TP21
TP05
TP26
TP24
TP81
TP32
TP23
TP06
TP37
TP35
R115
10K
ViewSonic Corporation Confidential - Do Not Copy N4251w-1M
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