A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
VCC3IO_STB
AVDD33_LDO
VCC3IO_S
AVDD10_LDO
ETTXD2
ETCOL
ETRXD0
ETRXCLK
ETCRS
ETRXER
ETTXCLK
ETRXDV
ETTXEN
ETRXD2
ETTXD1
ETTXD0
ETRXD1
ETTXD3
ETMDC
ETMDIO
ETRXD3
VSTB
VCLK
VDATA
UARXD
UATXD
P_RESET#
IR
RESET#
ETTXD0
ETTXD1
SDA
SCL
ETRXER
EXT_INTR_3
EXT_INTR_3
SDA
SCL
3.3V
AVDD33_LDO
POWER
OPEN
OPEN
VSTB
CEC_M
POWER
VDATA
HPD_MCU
RESET_MCU_FB
V_SDA
V_CLK
SKEY
SDA
CEC_M
RESET_MCU_FB
HPD_MCU
HDP_MCU
SKEY
A_MUTE_M
A_MUTE_M
PWR_CTRL#
SCL
VCLK
IR
OPWRSB
PWR_CTRL#
OPWRSB
UARXD
UATXD
VCC3IO_STB
3.3V_STBY
3.3V_STBY
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V_STBY
3.3V_STBY
3.3V_STBY
3.3V
3.3V
3.3V
3.3V_STBY
SFCK
[6]
NFWEN
[6]
NFCEN2
[6]
ETRXD0
[11]
ETRXCLK
[11]
ETCRS
[11]
ETTXCLK
[11]
ETTXD1
[11]
ETRXER
[11]
ETTXD2
[11]
ETMDIO
[11]
ETRXDV
[11]
ETMDC
[11]
ETTXD3
[11]
ETRXD2
[11]
ETCOL
[11]
ETRXD1
[11]
ETTXD0
[11]
ETTXEN
[11]
ETRXD3
[11]
RESET#
[2,11]
OPWRSB
[2]
SCL
[6]
SDA
[6]
NFALE
[6]
AMUTE
[5,10]
NFCEN
[6]
NFREN
[6]
FESFDI
[6]
3.3V
10,11,12,13]
HPD_MCU
[10]
CEC_M
[5]
SDA
[6]
SCL
[6]
RESET_MCU_FB
[2]
CEC_M
[5]
RESET_MCU_FB
[2]
HPD_MCU
[5]
HPD_MCU
[5]
SKEY
[2]
A_MUTE_M
[10]
A_MUTE_M
[2]
OPWRSB
[2]
HW Straping
NFCEN2 is no Function
ICE mode Enable
OLT TEST MODE
RTC TEST
ABIST mode
JTAG2 PIN selection
[FESFDI:SFCS]=1 TEST CPU
[FESFDI:SFCS]=2 TEST VDAC
[FESFDI:SFCS]=3 TEST SCAN
MODE
RS232 Ports
RS232 CONNECT
VFD/IR Port
TP363
TP363
VDATA
VDATA
R390
10K/NC
R390
10K/NC
R421
NC
R421
NC
C384
NC
C384
NC
R422
10K
R422
10K
R419
10K
R419
10K
RESET_MCU_FB
RESET_MCU_FB
UARXD
UARXD
R407
2.2K
R407
2.2K
VCLK
VCLK
R393
10K
R393
10K
R53
4.7K
R53
4.7K
C385
NC
C385
NC
R401
4.7K
R401
4.7K
SKEY
SKEY
C
351
100pF/
N
C
C
351
100pF/
N
C
R411
10K/NC
R411
10K/NC
R409
2.2K/NC
R409
2.2K/NC
POWER
POWER
FB359
0R
FB359
0R
C
366
100pF/
N
C
C
366
100pF/
N
C
OPEN
OPEN
C389
0.1uF
C389
0.1uF
UATXD
UATXD
R397
4.7K
R397
4.7K
IR
IR
R429
10K
R429
10K
R398
10K
R398
10K
V_CLK
V_CLK
C352
5pF/NC
C352
5pF/NC
R405
10K
R405
10K
R423
4.7K
R423
4.7K
R414
10K/NC
R414
10K/NC
R389
10K/NC
R389
10K/NC
R408
2.2K/NC
R408
2.2K/NC
V_SDA
V_SDA
U100D
MT8530_DDR2
U100D
MT8530_DDR2
VCC3IO_STB
J33
VCC3IO_STB
G35
AVDD33_LDO
J37
AVSS33_LDO
K36
AVDD10_LDO
H38
ETCOL
C37
ETCRS
H34
ETMDC
F36
ETMDIO
B38
ETRXCLK
A43
ETRXD0
A41
ETRXD1
B40
ETRXD2
C39
ETRXD3
A39
ETRXDV
F38
ETRXER
B42
ETTXCLK
C41
ETTXD0
C43
ETTXD1
D40
ETTXD2
D42
ETTXD3
E39
ETTXEN
D38
ETTXER
E37
UARXD
A37
UATXD
D36
VSTB
D34
VDATA
B34
VCLK
A35
LCDRD
G33
IR
B36
RESET_
E35
OPWRSB
F34
R95
0R/NC
R95
0R/NC
C387
NC
C387
NC
R403
2.2K
R403
2.2K
R404
10K
R404
10K
PWR_CTRL#
PWR_CTRL#
C388
0.1uF
C388
0.1uF
U3V3
U3V3
R134
0R/NC
R134
0R/NC
XP10
4x1 W/HOUSING
XP10
4x1 W/HOUSING
1
2
3
4
UGND
UGND
C386
0.1uF
C386
0.1uF
R428
10K
R428
10K
C
348
100pF
C
348
100pF
R400
10K
R400
10K
A_MUTE_M
A_MUTE_M
FB358
0R
FB358
0R
R394
10K
R394
10K
R410
10K/NC
R410
10K/NC
R413
10K/NC
R413
10K/NC
C
349
100pF
C
349
100pF
R399
10K
R399
10K
R424
4.7K
R424
4.7K
J3
CON14P-2.0
CONS14-XP
J3
CON14P-2.0
CONS14-XP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
FB360
FB/0603
FB360
FB/0603
C346
100pF/NC
C346
100pF/NC
R420
NC
R420
NC
VGND
VGND
R395
10K/NC
R395
10K/NC
R402
10K
R402
10K
C
350
100pF
C
350
100pF
VSTB
VSTB
R406
10K/NC
R406
10K/NC
C
367
100pF
C
367
100pF
Main Board Circuit Diagram: MT520-Part4
6
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6
-9