Yamaha RX-V463 Service Manual page 91

A B C
DSP 7/8
1
2
3
4
5
6
7
8
9
10
D E F
to DSP 5/8
to DSP 5/8
to DSP 5/8
to DSP 4/8
3.3
1.2
1.4
1.3
1.3
1.9
0
0
0
0
to DSP 5/8
to DSP 6/8
to DSP 6/8
to DSP 6/8
to DSP 4/8
G H I
IC72 3.3
3.2
0
0
0
0
0
0
0
0
0
3.3
0
3.3
3.3
3.3
0
3.3
3.3
3.3
3.3
3.3
0
1.9
0
0
0
3.3
0
0
1.9
3.3
4.3
3.3
POINT B-1 XL701 (Pin 11 of IC71)
5.1
0
0
5.1
4.3
IC73
IC72: SN74LVC245APWR
Octal bus transceivers with 3-state outputs
DIR 1 20 Vcc
IC73: R5523N001A-TR-F
A1 2 19 OE
High side switch IC
A2 3 18 B1
V IN 4
A3 4 17 B2
A4 5 16 B3
GATE CURRENT
EN 1
A5 6 15 B4 CONTROL LIMIT
FLAG
A6 7 14 B5 DELAY
UVLO
A7 8 13 B6
THERMAL
A8 9 12 B7 SHUTDOWN
2
GND 10 11 B8 GND
J K L
USB HOST
IC71
No replacement part available.
サービス部品供給なし
B-1
CB71
Page 93 L4
to OPERATION (6)_W6006
(R, T, K, A, B, G, E, F, L models)
5 V OUT
# All voltages are measured with a 10MΩ/V DC electronic voltmeter.
# Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
# Schematic diagram is subject to change without notice.
3 FLG
M N
RX-V463/HTR-6140/DSP-AX463
3.3
0
3.3
3.3
3.3
3.3
0
0
0
0
0
0
0
0
1.9
0
3.3
0
0
0
0
0
0
0
3.3
0
IC71: ISP1760BE
Embedded hi-speed USB host controller
VCC(I/O)
37 to 39, 41 to 43, 10, 40, 48, 59, 67,
45 to 47, 49, 51, 75, 83, 94, 104, 115
ISP1760BE 11
52, 54, 56 to 58, XTAL1
60 to 62, 64 to 66, 12
PLL XTAL2
68 to 70, 72 to 74, HC PTD MEMORY
RISC PROCESSOR 13
76 to 78, 80 16-bit (3 kB) CLKIN
INTERFAC: 30 MHz
or
DATA [15:0]/DATA [31:0]
32-bit HC PAYLOAD 60 MHz
82, 84, 86, 87, MEMORY (60 kB)
MEMORY
89, 91, to 93,
MANAGEMENT
95 to 98, UNIT
100 to 103, 105 17 + 122
GLOBAL CONTROL RESET_N
A[17:1] INTERRUPT
AND POWER
CONTROL 119 SUSPEND/
MANAGEMENT
CS_N 106 +
WAKEUP_N
SLAVE DMA MEMORY
RD_N 107
CONTROLLER ARBITER
WR_N 108 + AND FIFO POWER-ON RESET 110
BAT_ON_N
HARDWARE AND V BAT ON
IRQ 112 CONFIGURATION
REGISTERS
DWEQ 114 5, 50,
85, 118
DACK 116 5 V-TO-1.8 V REG1V8
EHCI AND VOLTAGE 6, 7
VCC(5V0)
OPERATIONAL REGULATOR
TRANSACTION REGISTERS
TRANSLATOR 5 V-TO-3.3 V
PIE
AND RAM VOLTAGE 9
REG3V3
REGULATOR
USB HIGH-SPEED DATA PATH
USB FULL-SPEED AND LOW-SPEED DATA PATH
DIGITAL
AND ANALOG 2
REF5V
PORT ROUTING CONTROL LOGIC + HOST AND HUB PORT STATUS OVERCURRENT
DETECTION
8
GND(OSC)
4, 17, 24
HI-SPEED HI-SPEED HI-SPEED
31, 123
USB ATX1 USB ATX2 USB ATX3
GNDA
53, 88, 121
GNDC
14, 36, 44, 55, 63,
71, 79, 90, 99, 109
16 15 20 19 18 21 127 23 22 27 26 25 28 128 30 29 34 33 32 35 1
004aaa435
GNDD
RREF1 DP1 DM1 RREF2 DP2 DM2 RREF3 DP3 DM3
GND GNDA OC1_N GND GNDA OC2_N GND GNDA OC3_N
(RREF1) (RREF2) (RREF3)
PSW1_N PSW2_N PSW3_N
91