Hdbaset Section - Onkyo TX-NR757 Service Manual

1

HDBaseT section

MODEL NO. DRX-4/5 SCHEMATIC DIAGARAM (PART-13)
BAHDM-2042(1/2)
D
HDBaseT HDMI IN
HDMI_IN_DP2
HDMI_IN_DN2
HDMI_IN_DP1
HDMI_IN_DN1
HDMI_IN_DP0
HDMI_IN_DN0
HDMI_IN_CLKP
HDMI_IN_CLKN
HDMI_IN_CEC
HDMI_IN_SCL
HDMI_IN_SDA
HDMI_IN_5V
HDMI_IN_HP_DET
PART-14
BAHDM-2042(2/2)
C
HDBaseT CLOCK
1 4
OE VCC
2 3
GND OUT
X203
DSO321SR-AA-125MHz
125MHz/CMOS
125MHz/LVDS
NM
1 6
OE VCC
2 5
NC OUTN
3 4
GND OUTP
X204
GNDDG DSO323SJ-AAC-125MHz
B
TP246
TP239
TP240
TP243 TP242
TP241
+3.3V
TP244
R394
TP245 1k
GNDDG SPI MEMORY
8Mbit
R295
100
1 8
/CS VCC
2 7
DO /HOLD
3 6
R296
/WP CLK
100
4 5
GND DI
R241
Q205
47k
W25Q80DVSNIG
NM
A
GNDDG
HDBaseT SPI MEMORY
1
2
+3.3V
R200
27k
D200
CRS09(TE85L_Q)
Q200 C VS100TX
E13
HDMI_IN_DP2
HDMIDES_TMDSDATAP_A_2
E14
HDMI_IN_DN2
HDMIDES_TMDSDATAN_A_2
G13
HDMI_IN_DP1
HDMIDES_TMDSDATAP_A_1
G14
HDMI_IN_DN1
HDMIDES_TMDSDATAN_A_1
J13
HDMI_IN_DP0
HDMIDES_TMDSDATAP_A_0
J14
HDMI_IN_DN0
HDMIDES_TMDSDATAN_A_0
L13
HDMI_IN_CLKP
HDMIDES_TMDSCLKP_A
L14
HDMI_IN_CLKN
HDMIDES_TMDSCLKN_A
G12
HDMI_IN_CEC
H12 HDMIDES_CEC
HDMI_IN_SCL
HDMIDES_DDC_SCL
R201 J12
HDMI_IN_SDA
HDMIDES_DDC_SDA
12k K12
HDMI_IN_5V
HDMIDES_5V
L12
HDMI_IN_HP_DET
HDMIDES_HPD
R202
1k M14
HDMIDES_RREF
+5.0V +3.3V
R276 R218
0 12K
NM
GNDDG
+3.3V
L200 L200:
LBC2518T100M
10uH(+/-20%)
NM 375mA/0.36ohm
C229 CHIP TANTAL
226M C216
6.3V 100u 10V
CASE-C
C214
104K 16V
R235
GNDDG
0
RCB_P
RCB_P
R221 C219
470 103K 50V 1178mV
R236
0
RCB_N
1052mVpp RCB_N
PART-14
NM
C215 BAHDM-2042(1/2)
NM
104K 16V
R228
0
OSC_125N
OSC_125P
R229
0
GNDDG
NM
Q218
TC74LCX125FT(EL_K)
MOSI_M C349
104K 16V
MSCK_M 1 1 VCC 14
MISO_M 2 2 13
13
3 3 12
12
SPI_SELECT 4 4 11
11
10
MCS_M 5 5 R266
10
1k
6 6 9
9
8
7 GND
8
C225
NM
GNDDG
102K
+3.3V
MCS_M
MSCK_M
R248
1k
RESET_N
NM
C224
104K 16V HOST_SCL
MSCK_M
HOST_SDA
MOSI_M
R293
+3.3V
100
R294
TP202
100
Q225
DTC014EEBTL R256
NM
SPI_SELECT R257
MISO_M R258
MCS_M R259
PART-14
R260
GNDDG
BAHDM-2042(1/2) R261
2
3
HDBaseT HDMI BYPASS OUTPUT
(no use)
Q200 B
HDMISER_TMDSDATAP_2
HDMISER_TMDSDATAN_2
HDMISER_TMDSDATAP_1
HDMISER_TMDSDATAN_1
HDMISER_TMDSDATAP_0
HDMISER_TMDSDATAN_0
HDMISER_TMDSCLKP
HDMISER_TMDSCLKN
HDMISER_CEC
HDMISER_DDC_SCL
HDMISER_DDC_SDA
HDMISER_HPD
HDMISER_ATSTMON_1
HDMISER_ATSTMON_0
HDMISER_RREF
L232:
+1.8V
100MHz:180ohm
F_+-1%
L232 1500mA/0.09ohm
BLM18PG181SN1D
+1.8VA
GNDDG
Q200 A
VS100TX
N6
HDBT_VS_N3
HDSRC_3_M
P6
HDBT_VS_P3
HDSRC_3_P
P5
HDBT_VS_N2
HDSRC_2_M
N5
HDBT_VS_P2
HDSRC_2_P
N2
HDBT_VS_N1
HDSRC_1_M
P2
HDBT_VS_P1
HDSRC_1_P
P1
HDBT_VS_N0
HDSRC_0_M
N1
HDBT_VS_P0
HDSRC_0_P
TP200
M2
HDSRC_ATB_HM
HDSRC_ATB_HM
M1
HDSRC_ATB_HP
HDSRC_ATB_HP
TP201
L1
HDSRC_REXT_H
HDSRC_REXT_H
R203
4.7k
R204
F_+-1%
120k
4.53KF
GNDDG 4.523K(0.15%)
+3.3V
HDBaseT OUT
Q200 F VS100TX
H1 H4
RCB_P
RCB_REFCLK0_P TCK
H2 G3
RCB_N
RCB_REFCLK0_M TDI
H3
TDO
K1 J4
RESET_N
RESET_IN TMS
50V J3
TRST
A1
(IPD) MCS R297 100
EE_CS_EESPEED
A3 J1
MSCK R298 100
EE_SCL_SCK_GPIO DBG_TXD_EEADDRW0
J2
A4
MISO R299 100
EE_SDA_MI_GPIO DBG_RXD
A2
R300 100
(IPD) MOSI
EE_MO_EEADDRW1
B1
I2C slave
TEST_CLK_OUT
K4 K2
HOST_SCL
CFG_SCL TEST_MODE
K3
HOST_SDA
CFG_SDA
R245
1k F12
WAKEUP_IN
WAKEUP_IN
E12
WAKEUP_OUT
WAKEUP_OUT
+3.3V
CONFIGURATION
1k NM
1k NM EE_SPEED
1k
1k NM EE_ADDRW1
00:8/01:16/10:18bit/11:NoRom
1k NM
1k EE_ADDRW0 EE_ADDRW:10:18bit 256Kbyte(2M)
GNDDG
3
4 5
HDBaseT CONFIGURATION
MII_RXD2 I2C_ADDR2
MII_RXD0 I2C_ADDR1
MII_RXD1 I2C_ADDR0
VS100TX
MII_RXER BOOT_INT_EXT
N14
MII_RXD3 MII_RMII_SEL
P14
MII_RXDV I2C_SPI_SEL
N12
P12
NC
N10
P10
+3.3V
N8
R250 1k NM
P8 R251 1k NM
R252 1k NM
M12 HDMI_OUT_CEC
M11
R255 1k
M10 R254 1k NM
NC
M9
R391 1k
HDMISER_5V
M8 R392 1k
R237 R393 1k
NC
100
K11 R253 1k
L11 4.02KF +3.3V
NM
R232 R233 R240
GNDDG
3.9k 120 27k
M13
D203
IPU:INTERNAL PULL-UP
CRS09(TE85L_Q)
IPD:INTERNAL PULL-DOWN
F_+-1% GNDDG
NM
CTA
CTB
CTC
CTD
L230
D226
H7019FNLT
AOZ8804ADI IMSA-6802-01Y901_1608SIZE
1 MCT1 24
CTD
TCT1
2 MX1+ 23 HDBT_N3
1 CH1 NC4 10 TD1+
3 MX1- 22
HDBT_P3
2 CH2 NC3 9 TD1-
3 VN1 VN2 8
4 MCT2 21
CTC
4 CH3 NC2 7 TCT2
5 MX2+ 20 HDBT_N2
5 CH4 NC1 6 TD2+
6 MX2- 19
HDBT_P2
TD2-
7 MCT3 18
CTB
TCT3
8 MX3+ 17 HDBT_N1
TD3+
9 MX3- 16
HDBT_P1
1 CH1 NC4 10 TD3-
2 CH2 NC3 9
10 MCT4 15
CTA
3 VN1 VN2 8 TCT4
11 MX4+ 14
HDBT_N0
4 CH3 NC2 7 TD4+
12 MX4- 13 HDBT_P0
5 CH4 NC1 6 TD4-
D227
AOZ8804ADI
C227
102K 2kV
NM
C226
102K 2kV C217,C221-C223:
C218,C226:
C212
GNDDG
102K 2kV
GND_CHASSIS
NM
NC
for Debug/FW Update
RS232C IF
(IPU) PMS_TX
PMS_TX
PART-14
PMS_RX
PMS_RX
BAHDM-2042(2/2)
TP216
R267
0
GNDDG
4 5
6
Schematic Diagram
HDBaseT SECTION
0
Host I/F via I2C
0
0x50:W/0x51:R
0
1 BOOT_ROM_EXT 0:INT/1:EXT
1 RMII_MODE 0:MII/1:RMII
0 SPI_ROM 0:SPI/1:I2C
Q200 D VS100TX
A14
MII_TX_CLK
A12
MII_TX_EN
B14
MII_TXD3_GPIO
C12
MII_TXD2_GPIO
B13
NC MII_TXD1
A13
MII_TXD0
C14
MII_TX_ERR_GPIO
A9
MII_RX_CLK
B9
(IPU) MII_RXDV
MII_RX_DV
C10
(IPU) MII_RXD3
MII_RXD3_RMIIMODE
B10
(IPD) MII_RXD2
MII_RXD2_I2CADDR2
A10
(IPD) MII_RXD1
MII_RXD1_I2CADDR1
B11
(IPD) MII_RXD0
MII_RXD0_I2CADDR0
B8
(IPD) MII_RXER
MII_RX_ERR_BOOTSEL
B12
MII_CRS_GPIO
A11
MII_COL_GPIO
NC
A8
MII_MDC
C8
MII_MDIO
(VOUT+)
CTA
(VOUT-)
CTB
(VOUT+)
CTC
PART-14
(VOUT-)
CTD
BAHDM-2042(3/3)
HDBaset OUT
10
8
7 8
D201 6 7
NM
5 6
4 5
4
3
D202 2 3
NM
2
1
1
9
D209
NM
D210
NM
GRM21BR72E103KW03L
GR442QR73D102KW01L
To REAR PANEL
TP207
TP208
1 2 3 4
GND_CHASSIS
P202
NEJITANSI ST3
6
D
C
B
A