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7-14
A
Main Board Circuit Diagram: MT8555_FE
NC3
NC3
FE_GND
1206-R
1206-R
NC7
NC7
C223
C223
M
0603-R
0603-R
4.7uF/16V/Y5V
4.7uF/16V/Y5V
M
A3.3V
NC02
NC02
0603-R
0603-R
CD_VR
R972
R972
M
C232
C232
10uF/10V/Y5V
10uF/10V/Y5V
4
FE_GND
NO3
NO3
0603-R
0603-R
M
FE_GND
VCC_PDIC
AVCC
VCC_LD
Vcc_PDIC
R207
R207
Vcc_LD
R208
R208
C240
C240
C241
C241
C242
C242
C700
C700
0.1uF/25V/Y5V
0.1uF/25V/Y5V
0.1uF/25V/Y5V
0.1uF/25V/Y5V
10uF/10V/Y5V
10uF/10V/Y5V
DVD_VR
0.1uF/25V/Y5V
0.1uF/25V/Y5V
RFO-
C235
C235
RFO+
C236
C236
FE_GND
RFO+
C237
C237
RFO-
C238
C238
ALL PINS NEED TEST POINT
1
FOC2+
1
FOC2+
FOC2+
2
FOC2-
3
2
FOC2-
FOC2-
3
TR-
TR-
TR-
3
4
FOC1+
FOC1+
FOC1+
4
5
TR+
5
TR+
TR+
6
FOC1-
MDI_DVD
6
FOC1-
FOC1-
7
CO_A-
7
CO_A-
CO_A-
8
CO_B-
CO_B-
CO_B-
8
9
CO_A+
TP866
TP866
CO_A+
CO_A+
9
10
CO_B+
10
CO_B+
CO_B+
11
R865
R865
0
0
11
12
12
TP865
TP865
13
R867
R867
0
0
13
14
INB
14
15
INA
R869
R869
NC/0
NC/0
LED2
15
16
IND
16
TP867
TP867
17
INC
0603
17
18
ING
18
19
INH
19
20
INF
20
21
INE
21
22
LDD_SDIO
22
23
RFO+
23
24
RFO-
24
25
FEOSCEN_R
LDD_CLK
25
26
FECMOD_R
LDD_SEN
26
27
HAVC
A3.3V
HAVC
27
28
28
29
VCC_PDIC
29
30
GAINSW1_R
R864
R864
0
0
GAINSW1
30
31
R214
R214
31
32
BD_LD
10K
10K
32
33
CD_LD
33
34
DVD_LD
34
35
35
36
36
37
VCC_HFM
37
38
MDI_DVD
C253
C253
38
39
MDI_BD
0.1uF/25V/Y5V
0.1uF/25V/Y5V
39
2
40
DVD_VR
40
41
CD_VR
TM65
TM65
41
42
DVD_HFM
FE_GND
42
43
CD_HFM
43
44
44
45
TM67
TM67
TM66
TM66
45
C252
C252
0.1uF/25V/Y5V
0.1uF/25V/Y5V
R973
R973
R974
R974
XP7
XP7
NC/0
NC/0
NC/0
NC/0
45PIN/0.5mm
45PIN/0.5mm
0402
0402
FE_GND
FE_GND
FE_GND
VCC_HFM
AVCC
HAVC
VCC_BD_LD
0R
NC807
NC807
0603-R
0603-R
C873
C873
C883
C883
C865
C865
C863
C863
680pF/50V/NP0
680pF/50V/NP0
NC/680pF/50V/NP0
NC/680pF/50V/NP0
4.7uF/10V/Y5V
4.7uF/10V/Y5V
2.2uF/10V/Y5V
2.2uF/10V/Y5V
0R
FE_GND
FE_GND
FE_GND
FE_GND
FE_GND
VCC_LD
add for large current
C870
C870
R885
R885
10uF/10V/Y5V
10uF/10V/Y5V
R959
R959
R896
R896
R892
R892
1K
1K
33
33
33
33
1K
1K
1
R969
R969
470
470
VWDC2O
Q800
Q800
VDAC0
Q802
Q802
NPN_3DG3904M
NPN_3DG3904M
NPN_3DG3904M
NPN_3DG3904M
2
Q804
Q804
PNP_2SB1132
PNP_2SB1132
R893
R893
R900
R900
R888
R888
R890
R890
4.7K
4.7K
4.7K
4.7K
470
470
470
470
DVD_LD
FB1
FB1
500/500mA
500/500mA
FE_GND
FE_GND
FE_GND
FE_GND
A
B
V14
U7F
U7F
FE_GND
V14REF
V14
K6
E4
AVDD12_1A
V14
AVDD12_1A
L5
AVDD12_2A
0
0
FVREF
H6
FVREF
M6
AGND12_2A
K5
G6
VHAVC
HAVC
HAVC
AGND12_1A
L6
AVDD33_1A
AVDD33_3A
J5
AVDD33_1A
TRINA
G3
TRINA
H4
M5
TRINB
TRINB
AGND33_3A
TRINC
H3
J6
TRINC
AGND33_1A
TRIND
H5
L7
TRIND
AGND33_2
FE_GND
INA
G2
INA
INB
G1
INB
INC
H2
INC
IND
H1
IND
INE
K3
INE
INF
K4
W5
FG
INF
FEFG
ING
J4
ING
INH
J3
L4
EQBIAS
INH
EQBIAS
G4
AX1_R
R705
R705
AUX1
F3
VDAC0
VDAC0
G5
VWDC3O
VWDC3O
FOIP
C2
E1
VWDC2O
FOIP
VWDC2O
FOIN
C1
F4
FOIN
VWDC1O
E3
VRDCO
MDI_BD
FPDODVD
E2
P2
MPXOUT1
FPDODVD
FEMPXOUT1
FPDOCD
D1
N6
MPXOUT2
FPDOCD
FEMPXOUT2
P3
MPXOUT3
FEMPXOUT3
RFIN
K2
0.1uF/25V/Y5V
0.1uF/25V/Y5V
RFIN
0.1uF/25V/Y5V
0.1uF/25V/Y5V
RFIP
K1
W4
PLAY#
RFIP
FEPLAY_
0.1uF/25V/Y5V
0.1uF/25V/Y5V
RFIP2
L1
V4
LIMIT#
RFIP2
FELIMIT_
0.1uF/25V/Y5V
0.1uF/25V/Y5V
RFIN2
L2
U4
EJECT#
RFIN2
FEEJECT_
V5
FETRAYOUT_
V6
TRAYIN#
FETRAYIN_
LDD_SDIO
P5
FECFREQ
LDD_CLK
R5
FEOSCEN
LDD_SEN
R3
FECMOD
D3
RSTI
RSTI
GAINSW1
T1
(+9V)
FEGAINSW1
GAINSW2
P4
FEGAINSW2
GAINSW3
P6
VCC_BD_LD
FEGAINSW3
FMO3
P1
FEFMO3
FMO4
N5
C251
C251
FEFMO4
TLO
M3
10uF/16V/X7R
10uF/16V/X7R
TLO
TRO
M4
FE_GND
TRO
FOO
L3
FOO
TYPWM
N4
FETRAYPWM
FMO1
N1
FEFMO
FMO2
N3
FEFMO2
DMO
N2
FEDMO
MUTE1
R4
FE_GND
FEGIO0
MUTE2
R6
VCC_D
FEGIO1
JP2
T2
FEGIO2
LED1
T6
R11
R11
0
0
FEGIO3
FEGIO4
TP123
TP123
LED2
T3
FEGIO4
GIO5
U1
FEGIO5
GIO6
U2
FEGIO6
GIO7
W3
FEGIO7
JP1
T4
FEGIO8
GIO9
V3
FEGIO9
URXD
U3
FEGIO10
UTXD
U5
FEGIO11
U6
FEGIO12
T5
FEGIO13
AUX1
BGA606-0.8-MT8555
BGA606-0.8-MT8555
A3.3V
MT8555_0825_A
MT8555_0825_A
R1030
R1030
NC/0
NC/0
R1031
R1031
0
0
FE_GND
C860
C860
2.2uF/10V/Y5V
2.2uF/10V/Y5V
VCC_LD
C867
C867
R970
R970
C871
C871
10uF/10V/Y5V
10uF/10V/Y5V
R883
R883
R882
R882
1K
1K
10uF/10V/Y5V
10uF/10V/Y5V
33
33
33
33
R895
R895
470
470
R886
R886
470
470
VWDC3O
Q803
Q803
NPN_3DG3904M
NPN_3DG3904M
2
Q805
Q805
2
Q806
Q806
PNP_2SB1132
PNP_2SB1132
PNP_2SB1132
PNP_2SB1132
R899
R899
R891
R891
4.7K
4.7K
470
470
CD_LD
FB2
FB2
500/500mA
500/500mA
FE_GND
FE_GND
B
C
D
FE RS232 Port
A1.2V
1
1
2
2
3
3
C224
C224
4
4
0.1uF/16V/X7R
0.1uF/16V/X7R
XP2
XP2
4PIN/2.0mm
4PIN/2.0mm
FE_GND
A3.3V
C229
C229
3.3V
0.1uF/16V/X7R
0.1uF/16V/X7R
JP1
R702
R702
10K
10K
JP2
R703
R703
10K
10K
FE_GND
R198
R198
24K/1%
24K/1%
0
0
AUX1
FE_GND
A3.3V
A1.2V
CE16
CE16
+
+
C244
C244
C719
C719
C246
C246
10uF/10V/Y5V
10uF/10V/Y5V
4.7uF/10V/Y5V
4.7uF/10V/Y5V
10uF/10V/Y5V
10uF/10V/Y5V
220uF/6.3V
220uF/6.3V
FE_GND
FE_GND
A3.3V
+12V_D
U19
U19
AS1117
AS1117
2
3
R211
R211
0
0
R203
R203
OUT
IN
1.2K
1.2K
C249
C249
C248
C248
RSTI
1uF/25V/Y5V
1uF/25V/Y5V
10uF/16V/X7R
10uF/16V/X7R
C239
C239
R212
R212
120/1%
120/1%
0.1uF/25V/Y5V
0.1uF/25V/Y5V
R213
R213
750/1%
750/1%
FE_GND
AVCC
AVCC
+
+
C875
C875
10uF/10V/Y5V
10uF/10V/Y5V
CE17
CE17
100uF/16V
100uF/16V
FE_GND
FE_GND
VCC_BD_LD
R898
R898
R884
R884
39
39
39
39
3200 is 39, too
BD_LD
FB3
FB3
500/500mA
500/500mA
C
D
7-14
E
TRINA
TRINA
TRINA
TRINB
TRINB
TRINB
3.3V
TRINC
TRINC
TRINC
TP804
TP804
TRIND
TRIND
TRIND
TP806
TP806
TP808
TP808
URXD
C227
C227
INA
INA
INA
TP810
TP810
UTXD
0.1uF/25V/Y5V
0.1uF/25V/Y5V
INB
INB
INB
TP812
TP812
INC
INC
INC
TP814
TP814
IND
IND
IND
INE
INE
INE
INF
INF
INF
ING
ING
ING
INH
INH
INH
FOIP
FOIP
FOIP
RFO-
RFO-
FOIN
FOIN
FOIN
RFO+
RFO+
FPDODVD
FPDODVD
FPDODVD
VWDC2O
VWDC2O
FPDOCD
FPDOCD
FPDOCD
VWDC3O
VWDC3O
V14
V14
V14
EJECT#
EJECT#
HAVC
HAVC
HAVC
PLAY#
PLAY#
LIMIT#
LIMIT#
JP2
JP2
JP2
FG
FG
LED2
LED2
LED2
TLO
TLO
FOO
FOO
GIO6
GIO6
GIO6
TRO
TRO
GIO7
GIO7
GIO7
FMO1
FMO1
JP1
JP1
JP1
FMO2
FMO2
GIO9
GIO9
GIO9
FMO3
FMO3
MPXOUT1
MPXOUT1
MPXOUT1
FMO4
FMO4
MPXOUT2
MPXOUT2
MPXOUT2
DMO
DMO
MPXOUT3
MPXOUT3
MPXOUT3
GIO5
GIO5
TR+
REIC_TR+
REIC_TR+
TR-
REIC_TR-
REIC_TR-
FOC2+
REIC_FO+
REIC_FO+
FOC2-
REIC_FO-
REIC_FO-
FOC1+
REIC_TL+
REIC_TL+
FOC1-
REIC_TL-
REIC_TL-
TLO
REIC_TLO
REIC_TLO
TRO
REIC_TRO
REIC_TRO
FOO
REIC_FOO
AVCC
REIC_FOO
TYPWM
REIC_TYPWM
RESET
REIC_TYPWM
FMO1
REIC_FMO
REIC_FMO
FMO2
REIC_FMO2
REIC_FMO2
R204
R204
DMO
REIC_DMO
REIC_DMO
MUTE2
REIC_MUTE2
NC/2K
NC/2K
REIC_MUTE2
MUTE1
REIC_MUTE1
REIC_MUTE1
TRAYIN#
REIC_TRAYIN#
REIC_TRAYIN#
FG
REIC_FG
REIC_FG
R205
R205
CO_B-
REIC_CO_B-
REIC_CO_B-
CO_B+
REIC_CO_B+
1K
1K
REIC_CO_B+
CO_A+
REIC_CO_A+
REIC_CO_A+
CO_A-
REIC_CO_A-
REIC_CO_A-
FMO3
REIC_FMO3
REIC_FMO3
FMO4
REIC_FMO4
REIC_FMO4
GAINSW2
REIC_GAINSW2
REIC_GAINSW2
Reserved for FE POWER
C247
C247
0.1uF/25V/Y5V
0.1uF/25V/Y5V
E
FE_GND
RFO-
RFO+
VWDC2O
4
VWDC3O
EJECT#
PLAY#
LIMIT#
FG
TLO
FOO
TRO
FMO1
FMO2
FMO3
FMO4
DMO
11
11
11
11
11
11
11
11
11
3
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
2
1
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