Akai LC27HAB, Service Manual

Page: 16 / 82

A
A
B
B
C
C
D
D
E
E
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3 3
2 2
1 1
MT5205BGA388
V0.1
LCD TV - MediaTek MT8205 Solution
C
3 16 Tuesday, May 10, 2005
Title
Size Doc Number Rev
Date: Sheet of
A_CLK
A_DQM[0..1]
A_BA[0..1]
A_WE#
VREF
A_CKE
A_CLK#
A_DQ[0..31]
A_RA[0..11]
A_CAS#
A_DQS[0..3]
SDV25
A_CS#
A_RAS#
F_A[8..21]
F_OE#
F_D[0..7]
FDAT
FCMD
FCLK
8205UP3_0
8205UP3_1
8205UP1_[2..7]
ORO[0..7]
OGO[0..7]
VSYNC
HSYNC
VGASDA
GREEN-
BLUE+
BLUE-
RED+
VGASOG
RED-
VGASCL
VGAHSYNC#
VGAVSYNC#
Y-
SY+
CB-
SC-
CVBS0-
Y+
CB+
SC+
CR-
SY-
CR+
CVBS0+
AP[0..7]
AN[0..7]
CLK2-
CLK1-
CLK2+
CLK1+
AOSDATA3
DACLRC
SCL
DACMCLK
SDA
DOUT
DACBCLK
AOSDATA1
AOSDATA0
SOY
CVBS2-
CVBS1-
CVBS1+
CVBS2+
MPX1
MPX2
ICE
URST#
GPIO
AOSDATA2
PWM0
PWM1
TXD
RXD
IOA[0..7]
8205UP3_4
8205UP3_5
DACVREF
DACFS
LVDDA
DACVDD
VREFN4
VREFP4
AVCM
VOCM
VICM
ADCVDD0
REXTA
APLL_CAP
XTALI
XTALO
ADCPLLVDD1
ADCPLLVDD
VPLLVDD
APLLVDD
PWM2VREF
AUXTOP
AUXBOTTOM
ADCVDD
SVM
R
G
B
DVISDA
DVISCL
DVIVSYNC
DVIHSYNC
DVIDE
DVIODCK
VI[0..23]
URST#
GND
OBO7
GND
OBO4
OBO5
OBO6
SVM
MPX2
ADCVDD0
MPX1
DACVREF
VREFN4
GND
VREFP4
GND
AUXTOP
GND
PWM2VREF
ADCVDD
VPLLVDD
AUXBOTTOM
VPLLVDD
GND
REXTA
LVDDA
VPLLVDD
GND
CLK2+
AP7
AN7
AP6
GND
CLK2-
AN6
AP5
AP4
AN4
AN5
LVDDA
AP2
GND
CLK1+
AN3
AP3
CLK1-
HSYNC
LVDDA
AN2
DACVDD
AP0
R
AN0
DV33A
AP1
VSYNC
DACVDD
GND
G
B
GND
GND
DACVDD
AN1
GND
DACFS
DV3
3
A
F_A16 F_A17 IO
A7
IO
A6
GND
F_A19 F_A20 F_A18
GND DV1
8
A
ORO4 ORO1 ORO2 ORO6 ORO3 ORO0
F_A15 F_A14
OGO1
GND
OBO2
OGO2
F_D
5
OBO0
F_A8 OGO6 OGO5 ORO7
DV1
8
A
F_A10 F_D
3
OBO3 OBO1 F_D
1
F_A12 F_D
6
F_A13
GND
F_A9 OGO0
F_D
7
F_D
4
IO
A3
IO
A5
F_D
0
F_D
2
OGO7
DV3
3
A
OGO3
IO
A4
IO
A1
IO
A2
IO
A0
F_A11
OGO4 8205U
P1_3
DV1
8
A
8205U
P1_2
8205U
P1_4
IO
CE#
F_O
E
#
IO
W
R
#
F_A21 Rx
D
IR PW
M
0
DVISDA
GND
HW
SCL
ICE
FD
AT
PW
M
1
VGASDA DVISCL Tx
D
VGASCL HW
SDA
GPI
O
A_DQ0
8205U
P3_0
URST
#
GND
8205U
P3_1
8205U
P1_7
8205U
P1_6
8205U
P3_4
8205U
P1_5
FC
LK
8205U
P3_5
FC
M
D
DV3
3
A
A_CS#
A_DQ8
A_RA0
A_CKE
A_BA0
A_DQ11
DV18A
SDV25
GND
GND
A_DQ10
GND
A_RA10
A_RA3
A_DQ17
A_RA5
A_DQM1
SDV25
A_DQ13
A_DQ25
A_DQ5
GND
A_RA6
SDV25
GND
A_DQ29
SDV25
A_DQ12
A_RA2
A_DQ15
A_DQ9
GND
DV18A
A_RA1
GND
A_DQ18
A_DQS3
A_DQ7
A_RAS#
A_RA7
A_DQS1
GND
A_DQ19
GND
A_DQ1
SDV25
A_DQ28
A_DQ22
GND
A_DQ24
A_CLK
GND
A_DQ3
A_DQ2
SDV25
A_RA8
A_DQM0
A_DQ21
A_DQ6
GND
A_DQ20
A_WE#
A_BA1
A_DQ23
A_DQS0
A_DQ27
VREF
A_DQ30
A_DQ4
A_DQ14
A_RA11
A_DQ26
A_CLK#
SDV25
A_DQ31
A_DQS2
DV18A
A_RA9
SDV25
GND
A_CAS#
A_DQ16
A_RA4
DACMCLK
DACLRC
AOSDATA2
DACBCLK
AOSDATA3
DOUT
DVIHSYNC
DVIVSYNC
AOSDATA0
DV18A
AOSDATA1
DV33A
DVIODCK
DVIDE
GND
GND
VGAHSYNC#
BLUE+
GND
BLUE-
D
V
18A
ADCPL
L
VDD
GND VGAVSYNC#
VI13 VI12 VI23 VI14 VI15
D
V
18A
VI1 VI8
GND
VI6 VI4
VI11
VI5 VI3 VI7 VI0 VI9 VI2
VI10 VGASOG ADCVDD0
GREEN-
RED+
GREEN+
RED-
XTALI APLL_C
AP
GND
XTALO ANALOGVDD APLLVD
D
ANALOGVDD
ANALOGVDD
GND VI17 VI20 VI22 VI18 VI19 VI16 VI21
GND
ADCPL
L
VDD1
GND
ADCVDD0
GND GND ADCVDD0 AVCM CVBS2+ CVBS1+ CVBS1- CVBS2- CVBS0+ GND CVBS0- ADCVDD0
SC- SC+
SY- GND SY+
VOCM CB+
GND
CB-
Y+
VICM
Y- ADCVDD0 SOY CR- CR+
DV33A
ANALOGVDD
GND
IR
HWSDA
HWSCL
DACBCLK
GND
ADCVDD0
IOCE#
IOWR#
DV18A
DV18A
OBO[0..7]
ORO5
GREEN+
A_CKE 7
A_CAS# 7
A_DQS[0..3] 7
A_CLK 7
A_WE# 7
A_BA[0..1] 7
VREF 7
A_RA[0..11] 7
A_CS# 7
A_DQ[0..31] 7
SDV25 7
A_RAS# 7
A_DQM[0..1] 7
A_CLK# 7
F_D[0..7] 6,7
F_OE# 7
F_A[8..21] 6,7
FCMD 16
FCLK 16
FDAT 16
8205UP1_[2..7] 6
8205UP3_1 6
8205UP3_0 6
ORO[0..7] 11,13,16
OGO[0..7] 8,11
OBO[0..7] 15
VSYNC 14
HSYNC 14
RED- 12
BLUE+ 12
VGASCL 10
VGASDA 10
BLUE- 12
RED+ 12
VGASOG 12
GREEN- 12
VGAHSYNC# 10
VGAVSYNC# 10
SC+ 12
CR+ 12
SC- 12
SY+ 12
CR- 12
Y- 12
SY- 12
CVBS0+ 12
CB+ 12
CVBS0- 12
CB- 12
Y+ 12
AP[0..7] 14
AN[0..7] 14
CLK1+ 14
CLK2+ 14
CLK2- 14
CLK1- 14
SDA 1,6,9,11,13
SCL 1,6,9,11,13
DACBCLK 6,13
AOSDATA3 6,13
DACMCLK 13
DOUT 13
DACLRC 13
AOSDATA0 6,13
AOSDATA1 6,13
SOY 11
CVBS2- 12
CVBS1+ 12
CVBS1- 12
CVBS2+ 12
ICE 6
URST# 6,15
AOSDATA2 6,13
GPIO 14
PWM0 13
PWM1 13
RXD 1
TXD 1
IOA[0..7] 6
8205UP3_4 6
8205UP3_5 6
DACVREF 4
DACFS 4
LVDDA 4
DACVDD 4
VREFP4 4
VREFN4 4
VOCM 4
AVCM 4
VICM 4
ADCVDD0 4
REXTA 4
APLL_CAP 4
XTALO 4
XTALI 4
ADCPLLVDD 4
ADCPLLVDD1 4
APLLVDD 4
VPLLVDD 4
PWM2VREF 4
AUXTOP 4
AUXBOTTOM 4
ADCVDD 4
SVM 14
R 14
G 14
B 14
DVISDA 8
DVISCL 8
DVIVSYNC 8,9
DVIHSYNC 8,9
DVIDE 8,9
DVIODCK 8,9
VI[0..23] 9
MPX2 12
MPX1 12
ANALOGVDD 4
IR 15
HWSCL 6
HWSDA 6
IOCE# 6
IOWR# 6
GREEN+ 12
DV33A
DV33A DV18A
DV33A
R18
10k D5
1N4148/SMD
1=3
2=4
SW1
SW4P/DIP/FLAT
1
2
3
4
MT8205
U7
MT8205
BGA388/SOCKET
P2
R11
AD1
AE9 AF9 AE10 AF10 AF26 AD18
V2
V3
W1
W2
AC9
W3
W4
N2
L1
H2
M4
M3
V4
U2
U4
U24
V26
V25
W26
T24
T23
R15
U23
U25
T25
AE7 AE26 AF6 AF7 AC8 AD8 AF8 AD11 AF12 AE15 AD15 AC19 AC15 AF16 AE16 R1
2
AF17 AD16 AD17 AF14 AF13 AE13 AD13 AC13 AC10 AE8 AC17 AE11 T12 AF11 AE17
Y1
AE3 T11 AF3
AC1
AC6 AD9 AE6 AD6
AD4
AB4
AE1
AD5
AB3
AB1
AA1
AC2
AE2 AE5 AF5
AB2
AA4
AC18
AA2
P11
Y3
V1
AC5
AA3
AC14
F3
G4
E2
F2
N23
G3
B14
E3
E4
C2
M2
R16
J24
K23
AA23
H23
R14
L23
L24
M23
P26
AD7
R3
T4
N11
H4
K4
K3
J4
L2
K1
M12
P1
P3
L4
D1
D2
F1
H3
P25
P15
M24
R26
N24
U3
R4
P4
D3
M25
M26
J23
P24
N25
R24
AD19 AE21 AC21 AD22 AC22 AF18
AC26
W24
AC25
AE24 AF24 AC23 AD23
A14
AE22 AF22
AA26
T16
AA25
T14
AB25
AB24 AB23 AF25 AE19 AF19 AD10
Y23
G23
AE18
T26
W23
W25
R25
AF21
V24
H24
C1
L11
D4
E1
F4
J3
T1
T2
L3
R1
N1
M1
R2
K2
J1
J2
AD20 AE4
Y4
M11
N4
N3
G2
H1
AD2
AF2
Y2
AF4
R23
P23
K24
N26
T13
T15
U26
AE25 AF23 AD21 AF20 AE12 AF15 AC16 AD14 AC7
T3
AC3
V23
AE20
G1
N12
AD24 AC24
AD25
Y25
AB26
P12
U1
AC4
AD3
AF1 AC11 P13 AC20 AE23 AC12 AE14 R1
3
Y26
AD12
AD26
L26
AA24
L25
K26
P16
K25
J26
J25
H26
G24
H25
D25
D26
N16
E25
P14
E26
F25
F24
F26
G25
G26
N15
E24
C25
C26
B24
B25
F23
B26
A26
A25
Y24
A24
D24
C24
B23 A23 D2
3
C2
3
B22 A22 D2
2
C2
2
B21 M1
6
A21 D2
1
C2
1
B20 L16 A20 D2
0
C2
0
B19 A19 E23 D1
9
C1
9
B18 A18 B17 A17 B16 C1
8
C1
7
D1
7
D1
8
A16 M1
5
A15 B15 C1
6
D1
6
L15 M1
4
C1
5
D1
5
L14 D1
4
N1
4
C1
4
C1
3
C1
2
D1
2
C1
0
A13 B13 D1
3
A12 B12 A11 B11 D8 C1
1
D1
1
C9 D9 D1
0
A8 B8 A9 B9 C8 A10 B10 C7 A7 N1
3
B7 D7 C6 D6 M1
3
A6 B6 A5 B5 C5 A4 B4 L13 A3 B3 A2 B2 A1 B1 C4 D5 L12
C3
A2P
DVSS3
ERO1
HIGHA6 HIGHA5 HIGHA4 HIGHA3 SCL0 DVDD1
8
EBO7
EBO6
EBO5
EBO4
DVDD3I
EBO3
EBO2
CLK1P
A4N
CLK2P
VREF
LVDDC
R
HSYNCO
G
RWE#
DQ10
DQ9
DQ8
RAS#
CAS#
DVSS2
DVDD2I
DQ11
DQ13
ORO3 SDA0 ORO6 ORO2 ORO1 ORO0 HIGHA7 HIGHA1 HIGHA0 AD0 AD1 DVDD1
8
AD2 AD3 AD4 DVSS3 AD7 AD5 IO
A0
IO
A3
IO
A4
IO
A5
IO
A6
IO
A7
DVDD3
I
A16 A17 IO
A20
DVSS1
8
IO
A21
IO
ALE
EBO1
OBO1 DVSS1
8
OBO0
ERO5
OGO1 DVDD3 ORO7 OGO0
OBO6
ERO6
OBO5
OGO4
ERO7
EGO1
EGO5
ERO4
OBO4 OGO3 OGO2
EGO0
EGO2
DVDD18
EGO4
DVSS18
EGO7
VCLK
OGO5
EGO3
IO
CS#
AUXVTOP
VPLLVDD
ADIN2
ADCVSS
RA2
AUXVBOTTOM
TESTP
ADIN1
ADIN0
AF
A3P
DVSS2
RA5
RA6
DVDD18
DVDD2
DVSS18
RA8
RA9
RA11
RCLK
ORO4
DACVSSB
SVM
DACVSSC
BGVDD
BGVSS
DLLVSS
REXTA
A4P
A5N
LVSSA
A2N
DACVDDB
LVDDB
REFP4
REFN4
ADCVDD
DLLVDD
RCLKB
DVSS2
RA3
RA0
RA1
B
DACVSSA
DACVDDA
ADCVDD4
DQ18
DQ17
RA4
RA10
DQ16
BA0
DVDD1
8
UP3
0
PRST# UP3
4
UP3
5
WR
#
DQ3
DVDD2
DQ2
RXD IR PW
M
1
PW
M
0
TESTN
FC
IC
M
D
FC
IC
LK
DQ7
DVSS18
DQ6
DVSS2
DQ4
SDA1 SCL1 SCL UP1
2
INT0# DVDD3
AVDD18
RVREF
RD#
DQ14
AVSS18
DQS1
DQ15
UP1
7
DVDD2
DVDD2
SIF
ADCVSS4
ADIN4
ADIN3
PWM2VREF
VPLLVSS
A0N
A0P
LVDDA
A1N
CLK1N
A3N
A1P
A5P
A6N
A6P
UP1
5
OGO7
EGO6
LVSSB
FS
DACVDDC
A7P
CLK2N
ERO0
OBO2
EBO0
OGO6
RCS#
BA1
RA7
CKE
DVSS18
DVSS2
DQ12
SDA FC
ID
AT
UP3
1
UP1
3
IO
A18
IO
O
E
#
AD6 IO
A1
ORO5
DE
ERO3
DVDD2
UP1
4
A7N
LVSSC
TXD ICE
DQ0
DQS0
DQ5
DVSS1
8
VSYNCO
ERO2
OBO7
OBO3 HIGHA2 DVSS1
8
UP1
6
GPI
O
0
IO
W
R
#
IO
A2
DVSS3
DQM0
IO
A19
DQ1
DQ19
DVDD18
DQ20
DQ21
DVSS2
DQ22
DQ23
DQS2
DQM1
DVDD2
DQS3
DQ31
DQ30
DVSS2
DQ29
DVSS18
DQ28
DQ27
DVDD2
DQ26
DQ25
DQ24
DVSS3
AOMCLK
AOLRCK
AOBCK
LIN
AOSDATA3
DVDD3I
AOSDATA2
AOSDATA1
AOSDATA0
DVDD18
HSYNC_DVI
VSYNC_DVI
DE_DVI
VC
LK_D
VI
VI23 VI22 VI21 VI20 VI19 VI18 VI17 VI16
DVSS18
VI15 VI14 VI13 VI12
DVSS3
VI11 VI10
VI9 VI8 VI7
DVDD1
8
VI6 VI5 VI4 VI3 VI2 VI1 VI0
DM
PLLVSS
DMPL
L
V
DD
APLLVD
D
APLLVSS
APLL_C
AP
XTALVSS
XTALI
XTALO
XTALVDD
SYSPLLVDD SYSPLLVSS ADCPLLVSS
ADCPL
L
V
DD
ADCPL
L
VDD1
ADCPLLVSS1
DVDD
DVSS
HSYNC VSYNC
REF
N
3
REF
P
3
ADCVSS3
BP BN
SOG
GP GN
RP
RN
ADCVDD3
MON1 MON0
REF
N
2
REF
P
2
ADCVSS2
CRP CRN CBP CBN SOY
YP YN
ADCVDD2
VICM
VFEVSS0
VOCM
VFEVDD0
REF
N
1
REF
P
1
ADCVSS1
SYP SYN SCP SCN
ADCVDD1
REF
N
0
REF
P
0
ADCVSS0
CVBS0P CVBS0N CVBS1P CVBS1N CVBS2P CVBS2N
ADCVDD0
AVCM
VFEVSS1
VFEVDD1
R365
47k
+ CE21
10uF/25v