Onkyo HT-R495 Service Manual page 44

1
VMPU Section
MODEL NO.TX-SR292BT/393/494,HT-R398_C/495_C,VSX-534/534D/326_C834
BAPRC-2695(6/6)
E
VM_HPD0
+3.3V_VMPU
DBG_TXD DBG_RST
FINED_V
+3.3V_VMPU
USBV_DP
D
DBG_RXD VM_RST
USBV_DM
DBG_RST SF_3.3V
GNDDG
VM_RST
VM_RDY
FINED_V
VM_CLK
VM_MOVI
VM_MIVO
LOADER_RDY
USBV_DP
USBV_DM
12:M5 USB_PON
MN788_NIRQ1
12:M5 USB_OVRCUR
12:M5 USBM_DM
12:M5 USBM_DP
(RS232_RXD)
DBG_RXD
13:B6 MN787_CS (RS232_TXD)
DBG_TXD
C
13:B6 MN787_FHOLD
13:B6 MN787_MOVI
MN787_CS
13:B6 MN787_MIVO
MN787_FHOLD
13:B6 MN787_SCK
13:B6
VM_HPD0
13:B6 AUDIO_BSW
SF_3.3V
13:B6 MN787_NOSDIRQ
MN787_NIRQ0
MN787_RST
MN787_SDA0
MN787_SCL0
MN788_NIRQ1
DEC_SCL
DEC_SDA
DEC_RST
DEC_PDN
VM_POFF
VM_POFF
B
HP_CTRLA
HP_CTRLA
HP_CTRLB
HP_CTRLB
HP_CTRLC
HP_CTRLC
HP_CTRLD HP_CTRLD
HP_CTRLD
A
1
2
KRA302E VM_HPD
Q8704
Q8705
KRC402E
NM
R8723 R8701
4.7k
D8701
C8702 104K
Q7017 1
AVCC1
KRC402E R8733 10k 2
EMLE
3
AVSS1
4
PJ3
(NC)
C8715 224K 5
VCL
104K
C8707 6
VBATT
R8774 4.7k R8759 47 7
MD/FINED
8
24.00MHz
XCIN
R9003 10k 9
(NC) XCOUT
7V24080062 R8996
10
DBG_RST
RES#
680 11
C8988 XTAL
12
180J VSS
C8989 13
EXTAL
180J
C8704 104K 14
VCC
R8702 15
UPSEL
(NU)
NM 10k 16
TRST#
10k
R8791 17
788_CLK0
SSCL0
(NU)
R8997 R8790 10k
788_SDA0 18
SSDA0
(NU)
NM
788_RST R8744 47 19
10k TMS
(NU)
R8742 10k 20
R8748 47
TDI
788A_5V R8751 10k 21
TCK
(NU)
R8754 R8749 47 22
TDO
100k
MN787_UPD 23
P25
(NU)
24
MN787_CS
P24
MN787_FHOLD 25
P23
+3.3VHD
L8702
BLM15PX181SN1D
GNDDG
R8704
GNDDG
10k
+5VTX
HP_CTRLA IN1
HP_CTRLB IN2
HP_CTRLC IN3
HP_CTRL_D IN4
GNDDG
2
3 4
VM_HPD
+3.3V_VMPU
PE3 75 HPD_IN1
PE4 74
(NC)
PE5 73
(NC)
PE6 72
(NC)
PE7 71
(NC)
PA0 70
(NC)
PA1 69
(NC)
PA2 68
(NC)
PA3 67
(NC)
PA4/IRQ5-DS 66
eARC_INT
(NU)
R8706
PA5 65
Q8701 (NC)
PA6 64 AUDIO_BSW
10k
PA7 63
R8727
(NC)
R5F56519ADFP VSS 62
10k NM
SSCL6 61
eARC_SCL
104K C8706
VCC 60 R8708 NM
(NU)
SSDA6 59 10k
eARC_SDA
PB2 58 eARC_RST (NU)
R8717
PB3 57 PON_eARC (NU)
PB4 56 10k
eARC_MUTE (NU)
PB5 55
R8716
(NU)
3.3k
SSCL11 54
(NC) VS100TX_SCL
NM
SSDA11 53 VS100TX_SDA (NU)
PC0 52 NM VS2KTX_DBG
(NU)
PC1 51 R8715
(NU)
3.3k R8714
(NC)
10k
3 4
5
Schematic Diagrams
USB_PON
GNDDG +5.2VHD
+5.2V
C3166
R8234
+3.3VST
100k 105K
10V
R8235
0
R3238
USB_OVRCUR
10k
C3104
102K
C3103
226M
6.3V
C8710
MCF12102G900-T
#47_USB0_DM
L8965 100u
USBM_DM 3 4 16V
USB_diff.imp=90ohm
2 1
USBM_DP
#48_USB0_DP
GNDSH
P3100
UJA01SB4020-72R
HDMI(864788) SECTION #8000-#8100
TX-SR292BT/SR393/SR494, HT-R398/R495
5
6
E
D
C
B
A
6