Yamaha BRX-610 Service Manual page 42

A B
BRX-610/NS-PZ20
1
MAIN 9/14
D3.3V
R226
2
D3.3V
R235
3
4
MTK_RXD
MTK_TXD
MTK_RESET
MTK_STBY
FNCCHK
MTK_HDMI_CEC_IN
MTK_OPWRSB
V_RDY
5
JP2
6
Page 49 G6 1
2 R276
R277
3
to MAIN_JP5 RS1_GND
4
4x1 W/HOUSING
DIP4/W/H/P2.0
RS1_GND
7
48
C D
U4D
DVCC33_IO_STB
0 GPIO8_VOUTCLK1 NAND_WP# R227
J21 H24
DVCC33_IO_STB GPIO8
H21
DVCC33_IO_STB
C220 ETCOL_VOUTD15 R228
J27
ETCOL
0.1uF/6.3V/X7R ETCRS_VOUTD2 R229 R229
F26
ETCRS
J28 ETMDC_VOUTVSYNC
TP103
ETMDC
ETMDIO_VOUTHSYNC
J26
ETMDIO TP104
G26 ETRXCLK_VOUTD7
ETRXCLK
ETRXD0_VOUTD4
F25
TP106
ETRXD0
ETRXD0_VOUTD5
G27
ETRXD1 TP107
G28 ETRXD2_VOUTD6
TP108
ETRXD2
ETRXD3_VOUTD8
G25
ETRXD3
0 AVDD33_LDO ETRXDV_VOUTD3
J24 E25
AVDD33_LDO ETRXDV TP110
C221 E26 ETRXER_VOUTD1 R236
ETRXER
0.1uF/6.3V/X7R ETTXCLK_VOUTD9
H22 G24
AVSS33_LDO ETTXCLK
ETTXD0_VOUTD10
G23 TP114
ETTXD0
K21 H23 ETTXD1_VOUTD11
TP115
AVDD10_LDO ETTXD1
ETTXD2_VOUTD12
J23
ETTXD2 TP116
C222 H26 ETTXD3_VOUTD13
TP117
ETTXD3
ETTXEN_VOUTD14
0.1uF/6.3V H25
TP111
ETTXEN
ETTXER_VOUTD0 R242
F24
ETTXER
UARXD
J25
UARXD
UATXD
K26
UATXD
VSTB
L25 TP119
VSTB
M23 VDATA
TP120
VDATA
VCLK R249
M24
VCLK
L26 LCDRD
LCDRD
K25 IR
IR
RESET#
K23
RESET_
OPWRSB
K24
OPWRSB
R257
MT8555_0825_A R256
10K
10K
D3.3V
R264 R265
10K R266
10K
10K/NC
ETMDC_VOUTVSYNC
R267 33
R268 33 ETMDIO_VOUTHSYNC
R269 0 RESET#
R270 0 VDIN13
R271 0 ETRXDV_VOUTD3
R272 0 MCU_HDMI_CEC
R273 0 OPWRSB
R274 0 ETTXD0_VOUTD10
C223 C224
C225 C226 C227 C228 C229 C230
NC NC
NC NC NC NC NC NC
D3.3V RS232
R275 10K
33 UARXD
33 UATXD 10K
R278
U19
1 2 UARXD 3 R280 33/NC
D23 LXES15AAA1-017/NC 2 GND
UATXD R281 33/NC
1 2 1
D24 LXES15AAA1-017/NC
IR
muRata ESD 15KV/0.05pF
E F
0 PWR5V0_RX
TP101
0 LIN_SDATA
0 0 HTPLG0_RX
TP102
R230
D3.3V
TP105
TP109
0 HDMIDDCSCL_0
TP112
TP113
R241
D3.3V
0 HDMIDDCSDA_0
TP118
R243
R244
D3.3V
R247
4.7K
R250
R252
R254
ETTXD3_VOUTD13
ETTXEN_VOUTD14
ETCOL_VOUTD15
TO
EXT
CPU
Signal name
AMUTE
FEGIO4
NFCEN2
NFCEN
NFWEN
NFALE
IR
AOLRCK
RESERVE
NFCLE
D3.3V
NFREN
AOSDATA0
R279
AOSDATA1
10K/NC
AOSDATA2
IR
ETTXEN
LCDRD
G H
CNT
standby
HW
ETTXEN: HW TRAPPING
power
H*default, RSTI as BE
domain
Trapping
10K ETTXEN_VOUTD14
LCDRD reset;
R232 10K
NFWEN R234 10K
NFREN R237 10K
NFCEN R239 10K
NFCEN2 R240 10K
AMUTE
10K
10K NFCLE
NFALE: L*ROM/NAND boot, H*NOR boot
10K/NC NFALE R245 10K HDMI RX
PWR5V0_RX
AOLRCK R246 10K HTPLG0_RX
HDMIDDCSDA_0
10K/NC AOSDATA0 R248 10K HDMIDDCSCL_0
10K/NC AOSDATA1 R251 10K ETH
ETLEDLINK
10K/NC AOSDATA2 R253 10K ETLEDSPEED
ETLEDDUPLEX
10K/NC FEGIO4 R255 10K
normal FEGIO4: H*
I2S
power
HDMI JTAG, L*
domain
default;
MCU
12/14
13,14
12/14
R258 330 ETLEDLINK
12/14
R259 330 ETLEDSPEED
12/14
R260 330 ETLEDDUPLEX
12/14
12/14
MCU_HDMI_CEC
POWER
Ball HW trapping
0: Default (ICE disable)
D10
1: Main RISC ICE enable
JTAG_TRAP
T3
0: Default
1: HDMI
AD5
00: Normal mode (Default)
AH2
0: Default
AG4 1: OLT Test Mode
AF4 0: Default 1: FLASH boot
XTL_REF_SEL
B12
0: XTAL 1: VCXO
AG3 0: Old NFI 1: new NFI (Default)
AD4 0: Default
1: ABIST mode
C11
Reserved trapping 000: (Default)
D11
D12
H25 LCDRD, ETTXEN=01:
Normal mode (Default)
L26
★ Components having special characteristics are marked
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
I J
NAND_WP#
NAND_WP# 4/14
NFWEN
NFWEN 4/14
NFREN
NFREN 4/14
NFCEN
NFCEN 4/14
NFCEN2
NFCEN2 4/14
AMUTE
AMUTE 5/14, 8/14
NFCLE
NFCLE 4/14
NFALE
NFALE 4/14
AOLRCK
AOLRCK 5/14, 8/14
AOSDATA0
AOSDATA0 5/14, 8/14
AOSDATA1
AOSDATA1 5/14, 8/14
AOSDATA2
AOSDATA2 5/14, 8/14
FEGIO4
FEGIO4 10/14
PWR5V0_RX 7/14
HTPLG0_RX 7/14
HDMIDDCSDA_0 7/14
HDMIDDCSCL_0 7/14
ETLEDLINK 4/14
ETLEDSPEED 4/14
ETLEDDUPLEX 4/14
LIN_SDATA
LIN_SDATA 8/14
VDIN13
VDIN13 6/14
MTK_RXD
MTK_RXD 12/14
MTK_TXD
MTK_TXD
MTK_RESET
MTK_RESET
FNCCHK
FNCCHK
MTK_HDMI_CEC_IN
MTK_HDMI_CEC_IN
MTK_OPWRSB
MTK_OPWRSB
V_RDY
V_RDY
MTK_STBY
MTK_STBY
MCU_HDMI_CEC 5/14
RESET#
RESET# 1/14
Note
Normal power
domain
Standby power
domain
and must be replaced