Net/Usb Section - Onkyo TX-NR525 Service Manual

A B
SCHEMATIC DIAGRAMS-21(PART-21)

NET/USB SECTION

1
BAHDM-1347(3/5)
U0080
HDMI PC BOARD
ARM_CLK,ARM_SIMO,ARM_SOMI
ARM_CLK,ARM_SIMO,ARM_SOMI
2
BOOT[5,6]
BOOT[5,6]
TP86
GNDA
3 TP87 GNDA R3139 UART1_TXD
TXD 100
TP89
VDD_MPU3.3V
VDD_MPU3.3V
TP91 R3144
UART1_RXD
RXD 100
TP92 R3147
ARM_RST
0
RST ARM_RST
ACP_CS
4
Q3106
BU33TD3WG-TR
+3.3V
1 VOUT 5
VIN
2
GND
3 NC 4
STBY
5
Q3107
BU33TD3WG-TR
1 VOUT 5
VIN
2
GND
3 NC 4
STBY
Q3111
KRC104S
3
E
NET_POWER
2 B
NET_POWER C
C3125
R3176 NC
1
105K
6
0
Q3109
BLM18PG181SN1D
VIN SSC 3
4
L3120
GND 2
VOUT ON/OFF 1
5
S-13A1A12-U5T1U3
7 R3140 NC
C3180 104K NC
R3177
0
NET_POWER
Q3112
NET_POWER
KRC104S
NC
8
TX-NR525/ HT-RC550
C D
R3115orR3116 BOOT2
R3111orR3112 BOOT5
R3109orR3110 BOOT6
R3107orR3108 BOOT7
ARM_SOMI
ARM_SIMO
ARM_CLK
SPI0_SCS
SPI0_SCS
TP81
BOOT5
BOOT6
BOOT7
SIGN00390
R3134
TP84
R3135
R3136
SIGN00389
R3137
TP85
R3143
R3145
R3146
R3148
R3104
ACP_CS
NC
Q3105
MFI337S3959
VDD_USB3.3V
VSS
GNDA
RampUpTime
>330uSec
L3107 BLM18PG121SN1D +3.3V
VDD_DA8x_3.3V
TP30
C3126 106K
C3121 105K
C3137 105K B16
DVDD1 VSS32
C3127 105K E12
DVDD2 VSS31
E9
DVDD3 VSS30
E8
DVDD4 VSS29
C3128 E5
DVDD5 VSS28
105K F12
DVDD6 VSS27
F11
DVDD7 VSS26
C3129 F5
DVDD8 VSS25
105K G12
DVDD9 VSS24
G5
DVDD10 VSS23
C3131 K12
DVDD11 VSS22
105K K5
DVDD12 VSS21
L12
DVDD13 VSS20
C3133 L11
DVDD14 VSS19
105K L5
DVDD15 VSS18
M12
DVDD16 VSS17
C3136 M9
DVDD17 VSS16
105K M8
DVDD18 VSS15
M5
DVDD19 VSS14
C3138 105K R16
DVDD20 VSS13
C3140 105K R1
RampUpTime DVDD21 VSS12
>120uSec VSS11
TP39
VSS10
L3109 +1.2V VSS9
VSS8
VDD_CORE1.2V C3155
BLM18PG121SN1D
VSS7
106K
C3156 F6
CVDD1 VSS6
105K G11
CVDD2 VSS5
C3157 G10
CVDD3 VSS4
105K G7
CVDD4 VSS3
G6
CVDD5 VSS2
H11
CVDD6 VSS1
C3158 H10
CVDD7
105K H6
CVDD8
H7
CVDD9
H12
CVDD10
C3159 J12
CVDD11
105K J11
CVDD12
J10
CVDD13
J7
CVDD14
C3160 J6
CVDD15
105K K11
CVDD16
K10
CVDD17
K7
CVDD18
C3161 K6
CVDD19
105K L6
CVDD20
DSP(USB)SECTIONB:3101-3200
E F G
forDebugging
BootOpt. NAND UART1
BOOT7 L H
BOOT1 H H
BOOT0 H H
BOOT3 H H
BOOT2 H L
BOOT3isalwayspulledup.
R6
R3124 330 SPI0_SOMI0/BOOT0
P6
R3125 47 SPI0_SIMO0/BOOT1
T5
R3126 47
SPI0_CLK/BOOT2
N4
R3127 47
SPI0_SCS/BOOT4
USB0_VBUS
USB0_DRVVBUS
P5
R3130 47
SPI1_SOMI0/BOOT5
N5
R3131 47 SPI1_SIMO0/BOOT6
T6
R3133 NC SPI1_CLK/BOOT7
10k
USB0_VDDA33
10k
R3
USB0_VSSA33 H4
0 I2C0_SDA/BOOT8
P3
0
I2C0_SCL/BOOT9
R3200
USB0_VDDA18 E3
10k
USB1_OC_DET R4
R3234 47 USB0_VDDA12 C3
UART2_RXD/GPIO5_12
USB1_OC_DET
USB1_VBUSEN P4
R3238 47
UART2_TXD/GPIO5_13
USB1_VBUSEN
3.9k
USB0_VSSA F3
3.9k
C6
39
UART1_RXD
D6
39
UART1_TXD
USB1_VDDA33 C1
USB1_VDDA18 C2
RMII_50MHz R3150 68 A4
RMII_MHZ_50_CLK/BOOT11
RMII_TXD0 R3154 39 B8
RMII_TXD0
RMII_TXD1 R3155 39 C8
RMII_TXD1
RMII_TXEN R3156 39 D8
RMII_TXEN
RMII_CRSDV R3157 0 A7
RMII_CRS_DV
RMII_RXD0 B7
RMII_RXD0
RMII_RXD1 C7
RMII_RXD1
RMII_RXER D7
RMII_RXER
MDIO_CLK R3162 39 A6
MDIO_CLK
MDIO_D R3163 22 B6
MDIO_D
VSS C3122
VDD_MPU3.3V 105K L3108
BLM18PG121SN1D
A16
RMII_50MHz
A15
MDIO_D
A2
MDIO_CLK
A1
B2
C3130
E11
106K
E10 R3164
E7 RMII_RXD1 4.7k
R3173
E6 RMII_RXD0
R3174
F10
R3175
F9
F8
G9
G8
H9
H8 C3139
J9 RMII_CRSDV R3181 105K
J8 47 R3182 TP94
K9 RMII_RXER 4.7k
R3183
ETH_INT
K8 ETH_INT 47
R3184
L10 R3186 47
L9 RMII_TXEN NC
TP95
L8 RMII_TXD0
L7
M11
M10
M7
M6
T16
T15 RMII_TXD1
T2
T1
To DIR/DAC section PART-17
ETH_RESET R3198
ETH_RESET
ARM_RST R3199
ARM_RST
To Micon section PART-16
H I
SPI0
L
L +5.2V
H
H
H
differencialimpeadance=90ohm
G4 USB0_D- DLP11SA900HL2L
USB0_DM
F4 USB0_D+ 2 1
USB0_DP
3 4
L3101
R3190
Q3102
NC
FP6861C-B1AS5CTR
D3 R3122 TP82
5
VIN
E4 R3129 1k USB0_VBUSEN
47 4
EN
D2 TP83 R3101
USB0_ID
10k
L3103
H5 VCC_0USB3.3V
C3107 105K
BLM18PG121SN1D
C3142 105K
L3104
VCC_0USB1.8V
BLM18PG121SN1D
106K
L3105
VCC_1USB3.3V
BLM18PG121SN1D
L3106
VCC_1USB1.8V
C3113 C3114 C3115 BLM18PG121SN1D
105K 105K 106K
USB1_DM B3
L3112
USB1_DP A3
3 4
2 1
DLP11SA900HL2L
Q3110
C3166
1
VIN
106K 2
GND
Q3001 R3132 3
/EN
10k
D830K013DZKB400Z
BD2247G-GTR
+3.3VNET
+3.3V
39
39
4.7k
Q3108
KSZ8051RNL
TX+,TX-/RX+,RX-Pair'sdifferencialimpeadance=100ohm
TP93
VDDIO_3.3 XO
17 8
CRSDV/CNFG2 TX+
18 7
RXC TX-
19 6
RXER/ISO RX+
20 5
INTRP RX-
21 4 C3143 105K
TXC VDDA_3.3
C3144
22 PADDLE 3
DLP2ADN900HL4L
THEN VDD_PLL_1.8
23 2 105K
TXD0 GND 1
24 C3145
106K
33
L3110
C3163
BLM18PG121SN1D 106K
+3.3V
NC
1k
ModelNo.TX-NR525
SCHEMATICDIAGRAM(PART-21) NET/USB Section
TX-NR525/ HT-RC550
J K
+5.2VHD
+5.2VHD
NC
Q3101
TPD2E001DRLR
1 IO2 5
VCC
2
NC
C3100 102K
3 GND 4
IO1
104Z Shield
R3123
GNDA TP79
USBDP1
USBDM1
VDD_VBUS0_5V
TP80
R3103
0
VOUT 1
GND 2
OC 3
VDD_USB3.3V
+3.3VHD
R3106
+1.8VHD
NC GNDA
GNDA
R3179
0
NET_POWER
NET_POWER
Q3114
KRC104S
NC
C3171
Shield
102K
C3170
102K
NC
Q3104
1 IO2 5
VCC
7 USB
2 7
NC
6
3 GND 4 6
IO1
5
5
L3114
TPD2E001DRLR
4
GND
BLM18PG121SN1D
3
D+
2
D-
L3111
1
+V
BLM18PG121SN1D
VOUT 5
/OC 4
USB1_OC_DET
USB1_VBUSEN
ETHERNET
Rx
7
6
4 5
3 6 8
2 7 1
Tx
1 8
3
L3145
2
4
102
5
C3149 102K
P3104
Shield
RB1-105B8A1F