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7-6
A
Main Board Electric Diagram: MT1389L/K LQFP128 & MOTOR DRIVER
XP4
6PIN/2.0mm
DV33
SP-A
1
SP+
2
R23
10k
LIMIT
R128
1k
3
4
SL-
5
SL+
1
6
C20
0.1uF
SP-
R24
10k
OP-
C24
1
DV33
R25
0.1uF
D3
3
1
C27
BAT54C
2
0.1uF
SP-A
OPO
R28
10k
M5V
R33
100k
R34
10k
Q4
D
IOA
R35
10k
3
2
2N3904
G
2
1
S
2SK3018
SC-70
2
2
R36
100k
Q5
Q6
2SK3018
2SK3018
SONY 313
L6
M5V
FB
R38
R39
C32
+ CE10
RFGND
XP2
100
100
0.1uF
100uF/16v
SMD0.5 TOP
Very Important to
reduce Noise
1
LD-DVD
2
3
4
AVCC1
MDI1
5
6
LD-CD
7
8
9
C125
C126
E
10
AVCC1
NC
NC
11
12
V20
C94
0.1uF
13
1
14
F
B
15
L9
L10
A
10uH
10uH
16
17
RFO
IOA
18
D
C37
19
3
20
C
Q7
T-
NC
21
22
T+
F+
23
9012
CE11
F-
24
47uF/6.3v
R45
4.7
R46
4.7
RFGND
+ CE12
Q8
47uF/6.3v
9012
F-
F+
TP8
TP9
TP10
TP11
U2
T-
15
14
VOTK+
VOFC+
T+
16
13
VOTK-
VOFC-
SL+
17
12
TP12
VOLD+
VOSL-
SL-
18
11
TP14
VOLD-
VOSL+
LOAD+
19
10
VCC2
VOTR+
M5V
R54
10k
LOAD-
20
9
NC
VOTR-
21
8
VCTL
VCC
R55
10k
30
29
G2
G1
4
TROPEN
TP16
22
7
GND
REV
FMSO
23
6
TRCLOSE
TP17
VINLD
FWD
24
5
NC
REGO1
TR_B2
R56
10k
25
4
TRB2
VINSL+
TRSO
26
3
VINTK
REGO2
V1P4
27
2
BIAS
TRB1
C95
STBY
28
1
FOSO
MUTE
VINFC
0.1uF
AM5888
R61
C96
10k
0.1uF
A
B
V18
V18
RFV18-1
V18
RFV18-2
C84
C83
0.1uF
0.1uF
SERVO RF DeCAP.
V20
V1P4
C87
C88
+
+
CE8
CE9
0.1uF
47uF/6.3v
0.1uF
47uF/6.3v
RF Reference
CE31
ADVCM
10uF/16v
C89
0.1uF
MDI1
MDI2
V18
OPO
R31
0/NC
1389_OP+
C85
C86
0.1uF
0.1uF
C
B
Chip Decap.
A
D
F
E
RFV18-2
RFVDD3
RFV DD3
XI
XO
V20
V1P4
R37
15k
MDI1
MDI2
DV33
LDO1
LDO2
AVDD33
DMO
C33
C90
FMO
4.7uF
0.1uF
STBY
IOA
TRO
FOO
DV33
C91
USB_DP
0.1uF
C34
USB_DM
10uF/10v
USB_V33
FB3
0R
R40
5.1k
C35
NC
FB4
0R
USB_V18
V18
C36
C93
10uF/10v
0.1uF
LDO2
CE33
100uF/10V
Q23
R49
10k
9012
DV33
Q24
R32
10k
9012
+ CE34
100uF/10V
M5V
LDO1
R126
2.2 OHM 2W
R127 5.6 OHM 1W
Imax=250mA
SP-
TP13
SP+
standby:27MA
TP15
M5V
DV33
TR_B1
TR_B2
Q9
Q10
REG01
SS8550D
R57
SS8550D
DMSO
C48
REG02
CE13
+
TR_B1
0.1uF
220uF/16v
20k/1%
REG01
REG02
R59
+ CE15
220uF/16v
RFGND
12k/1%
GND
B
C
RESET Circuit
DV33
URST#
R19
1N4148
TP3
R15
R18
22K
15K
3.3K
D2
R26
URST#
R17
Q21
Q22
1K
CE7
+
3.3K
2N3904
2N3904
22uF/16v
C21
CEL5-5
R16
4.7K
1uF
C21 must closer to PIN43 of 1389L/K.
CE32
10uF/16v
DACVDD3
C29
1uF
C30
AADVDD
220pF
R29
560
DV33
U1
1
96
RFA
VREF
2
95
RFB
DACVDDC
3
94
RFC
GPIO13
4
93
RFD
SPDIF / GPIO12
5
92
RFE
GPIO11
6
91
RFF
GPIO10
7
90
AVDD18
DVDD18
8
89
AVDD33
GPIO9
9
88
XTALI
GPIO8
10
87
XTALO
GPIO7 / CKE
11
86
AGND
RA3
12
85
V20
RA2
13
84
V14
DVDD33
MT1389L/K
14
83
REXT
RA1
15
82
MDI1
RA0
16
81
MDI2
LQFP 128
RA10
17
80
LDO1
BA1
18
79
Desktop
LDO2
DVSS18
19
78
AVDD33
BA0
20
77
V1.0
DMO
RAS#
21
76
FMO
CAS#
22
75
TRAY_OPEN
RWE#
23
74
TRAY_CLOSE
RA4
24
73
TRO
RA5
25
72
FOO
RA6
26
71
FG / GPIO2
RA7
27
70
USB_DP
RA8
28
69
USB_DM
RA9
29
68
USB_V33
DVDD33
30
67
USB_GND
RA11
31
66
PAD_VRT
RCLK
32
65
USB_V18
DQM1
MT1389L/K/SMD
MTK1389L/K-128
DV33
V18
M5V
F1
[FUSE(500MA)]
Q27
AO3402
2
3
4.7K
R152
USBCON
V18
R151
NC(470)
USBCON_1
R153
NC(470)
b
VCC_USB
USB_DM
USB_DP
R58
CE14
+
C92
5.1k/1%
220uF/16v
0.1uF
U9
R60
2
3
10k/1%
GND
VCC_USB
1
4
PRTR5V0U2X
GND
C
7-6
D
DQ[0..15]
MA[0..11]
DQM[0..1]
BA [0..1]
D CLK
RAS#
CAS#
R20
100k
WE#
R27
33
Y2
XO
XI
DRAM I/F
C22
27MHz
C23
SF_CK
27pF
27pF
SF_CS
SF_DI
SF_DO
S-FLASH
GPIO19
A KIN1
GPIO20
ADVCM
AS PDIF
AR
GPIO21
A KIN1
AL
A RF
GPIO12
AS PDIF
ALF
ARS
GPIO11
AUDIO_MUTE
ALS
GPIO13
TRIN
AUDIO_MUTE
AUDIO I/F
Default
CVBS_OUT
V_R
GPIO9
RXD
V_B
V_G
VIDEO I/F
GPIO10
TXD
V REF
C31
0.1uF
DA CVDD3
RS-232
GPIO13
GPIO12
GPIO11
GPIO10
V18
GPIO9
GPIO8
TRCLOSE
GPIO7
MA3
C16
MA2
C17
NC(100p)
NC(100p)
MA1
MA0
NC(100p)
MA10
BA1
BA0
RAS#
CAS#
WE#
MA4
MA5
MA6
MA7
FOSO
MA8
TRSO
MA9
FMSO
DMSO
MA11
D CLK
C38
C39
C40
DQM1
330pF
330pF
0.1uF
DV33
C49
0.1uF
R62
10k
TROUT
R63
10k
TRIN
C18
0.1UF
TO FRONT PANEL
IR#
R50
33
I R
UP1_7
R51
100/0402
GPIO7
R52
100/0402
UP1_6
R53
100/0402
C44
C43
NC(47p)
47p
XP7
C45
C42
NC(47p)
NC(47p)
1
2
3
4
USBOUT
D
E
DQ[0..15] 4
MA[0..11]
4
DQM[0..1]
4
BA[0..1]
4
DCLK
4
RAS#
4
CAS#
4
WE#
4
1
SF_CK
4
SF_CS
4
SF_DI
4
SF_DO
4
PCON
2
AKIN1
5
ASPDIF
5
AR
5
AL
5
A RF
5
ALF
5
ARS
5
ALS
5
AUDIO_MUTE 5
CVBS_OUT
4
V_R
4
V_B
4
V_G
4
2
DV33
XP8
3V3
1
R xD
2
TxD
3
G ND
4
C10
C2
NC(100p)
4pin/2.0mm
R41
27k
FOO
R42
27k
TRO
R43
15k
FMO
R44
10k
DMO
C41
0.015uF
V1P4
XP3
LOAD-
1
3
LOAD+
2
R9
1K
3
4
R11
1K
5
PITCH 2.0mm*5
C19
0.1UF
5V
XP5
6PIN/2.0mm
I R
6
5
4
VSDA
3
VSTB
2
VSCK
1
C46
NC(100p)
4
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