Yamaha HTR-6280, Service Manual

Page: 132 / 166

A
1 2 3 4 5 6 7 8 9
10
BCD
E
F
G
H
I
J
K
L
M
N
RX-V1065/HTR-6280/AX-V1065
132
GUI 2/2
★
All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★
Components having special characteristics are marked
⚠
and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
●
電圧は、内部抵抗
10MΩの電圧計で測定したものです。
●
⚠印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、 パーツリストに記載されている部品を使用してください。
●
本回路図は標準回路図です。改良のため予告なく変更することがございます。
IC551
IC553
IC550
IC552
CB550
USB IN
3.4
3.4
3.4 3.4 3.4
3.4 3.4 1.9
0 0 0
0 0
3.4
0 0
1.9
1.9
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
1.0
0.9
5.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.3
4.3
1.9
3.3
3.4
1.3
3.4
0
5.1
0
0
0
0
0
0
0
0
0
0
3.4
0
0
0
0
0
0
0
0
0
0
0
0
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
1.9
0
3.3 3.4 3.4 3.4
3.4 3.4
4.0
3.3
3.4 3.4
0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0
4.3
0
4.0
5.1 5.1
POINT
I XL550 (Pin 1
1
of IC551)
I
V
IN
4
EN
1
2
5
GA
T
E
CONTR
OL
UVL
O
THERMAL
SHUTDO
WN
CURRENT
LIMI
T
FLA
G
DELA
Y
V
OUT
3
FLG
GND
IC552
: R5523N00
1A
-TR-F
High side s
witch IC
IC551
:
ISP1
7
60BE
Embedded hi-speed USB host contr
oller
ISP1
7
60BE
37 t
o
39, 41 t
o
43,
45 t
o
47
, 49, 51,
52, 54, 56 t
o
58,
60 t
o
62, 64 t
o
66,
68 t
o
70, 72 t
o
7
4
,
7
6
t
o
78, 80
82, 84, 86, 87
,
89, 91, t
o
93,
95 t
o
98,
1
00 t
o
1
03, 1
0
5
SUSPEND/ W
AKEUP_N
B
A
T_ON_N
RE
G1V8
RE
G3V3
REF5V GND(OSC) GND
A
GNDC
GNDD
GND
A
V
CC(5V0)
RESET_N CLKIN XT
AL1
XT
AL2
V
CC(I/O)
11
9
12
2
17
10
6
10
7
10
8
11
2
11
4
11
6
11 12
1
0, 40, 48, 59, 67
,
75, 83, 94, 1
04, 1
1
5
1
6-bit
or 32-bit
13
30 MHz
60 MHz
11
0
5, 50,
85, 1
1
8
4, 1
7, 24
31, 1
2
3
53, 88, 1
2
1
1
4
, 36, 44, 55, 63,
71, 79, 90, 99, 1
0
9
004aaa435
6, 7
9 2 8
1
6
1
5
20
1
9
1
8
21
1
2
7
2
3
2
2
2
7
2
6
2
5
2
8
1
28
30
29
34
33
32
35
1
GL
OB
AL CONTR
OL
AND PO
WER
MANA
GEMENT
HC P
A
YL
O
A
D
MEMOR
Y
(60 kB)
HC PTD MEMOR
Y
(3 kB)
RISC PR
OCESSOR
INTERF
A
C
:
A[1
7:1]
D
A
T
A
[1
5:0]/D
A
T
A
[31:0]
GENERIC PROCESSOR B US
MEMOR
Y
MANA
GEMENT
UNI
T
+
INTERR
UPT
CONTR
OL
+
SLA
VE DMA
CONTR
OLLER
+
HARD
W
ARE
CONFIGURA
TION
RE
GIS
TER
S
5 V
-T
O-1
.8 V
VO
LT
A
G
E
RE
GULA
T
O
R
5 V
-T
O-3.3 V
VO
LT
A
G
E
RE
GULA
T
O
R
HI-SPEED USB A
TX3
DIGI
T
A
L
AND ANAL
OG
O
VERCURRENT DETECTION
PIE
USB HIGH-SPEED D
A
T
A
P
A
TH
EHCI AND
OPERA
TIONAL
RE
GIS
TER
S
TRANS
A
CTION
TRANSLA
T
O
R
AND RAM
MEMOR
Y
ARBI
TER
AND FIFO
PLL
PO
WER-ON RESET
AND V
BA
T
ON
OC3_N
PSW3_N
DP3
GND
(RREF3)
RREF3
DM3
USB FULL
-SPEED
AND L
O
W
-SPEED D
A
T
A
P
A
TH
POR
T
R
OUTING CONTR
OL L
OGIC + HOS
T
AND HUB POR
T S
T
A
TUS
PSW2_N
OC2_N
PSW1_N
OC1_N
GND
A
HI-SPEED
USB A
TX2
DP2
GND
(RREF2)
RREF2
DM2
GND
A
HI-SPEED
USB A
TX1
DP1
GND
(RREF1)
RREF1
DM1
DA
C
K
IRQ WR_N RD_N CS_N D
WEQ
USB HOST
No replacement part available.
サービス部品供給なし
to
GUI 1/2
to OPERATION (5)_W4407
P
age 124
K5