Yamaha HTR-6280, Руководство по обслуживанию

Страница: 121 / 166

A
1 2 3 4 5 6 7 8 9
10
BCD
E
F
G
H
I
J
K
L
MN
121
DIGITAL 3/5
RX-V1065/HTR-6280/AX-V1065
★
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。
IC44
IC47
IC48
IC49
IC40
IC41
CB41
IC43
IC42
IC43
IC51
IC45
IC46
CB45
IC50
CB43
POINT
D XL42 (Pin 29 of IC41)
D
0
0
0
11.9
0
0
0
-11.8
1.7
1.7
1.6
0
1.7
3.4
3.4
3.4
0 0
0
1.7
3.3
2.6
0
3.4
3.4
3.4
3.4
3.4
3.4
0
0
0
0
0
0
0
0
0
2.9
3.4
3.4
1.3
1.7
1.7
1.7
1.7
0
0
0
0
0
0
1.3
1.3
1.3
1.3
1.3
3.3
2.9
2.9
0
0
0
0
0
0
0
0
0
0
1.2
1.2
1.2
0.3
0.3
3.4
0.4
0.3
3.4
3.3
0
0
0
0
0
0.2
3.3
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
0
0
0
0
0
0
3.4
3.4
3.4
3.4
1.8
3.4
3.4
3.4
0
1.2
1.2
1.2
1.2
3.3
0
0
0
0
0
0
0
0
3.4
0
0
0
3.4
0
0
0
0
0
0
0
0
0
0
1.7
1.3
1.3
1.7
1.7
1.7
0
3.4
3.4
1.7
1.7
3.0
1.3
0
0
3.3
3.4
0
5.1
5.1
5.1
5.1
5.1
5.1
1.8 0
0
0
1.2
3.1
3.1
3.3
1.8
3.3
0
3.4 3.4 3.4 3.4 0 3.4 0 0 0 0 0 0 0 0 0 0 0 0 0 3.4 0
3.3
3.4
3.4
0
3.4
3.3
3.4 3.4 3.4 1.2
3.4
3.4
3.4 3.4 3.4 1.2 1.2
3.4
3.4
3.4 3.4 1.8
0
0
0 0 0
0
0
3.4
0
0
0 0 0
0 0 0
0 0 0 0 1.2 0 0 0 0
0
0
3.4
0
0 0
0
0
0
0
0
0
0
0 0 0 0 0 0 0
0
3.4
3.4
3.4 3.3 3.3 3.4 3.4
3.4 3.4
0
3.4
3.4
1.7
3.3 3.4 3.4 3.4 3.4 3.3
3.4 3.4 3.4
3.4
0
3.4
3.4 3.4 3.3 3.3 1.6 1.7 1.7
0 0 0
0
3.4
0
0 0 0
0
0.2 4.0 0.4 0.4
3.4
3.4
0
0 0 0 0 0 0 0
0
0 0
0 0 0
1.2 1.2
1.2
1.2
1.2
1.7
0
0 0
3.3
0 0 0 0 0
0 0 0 0 0
3.4
0 0
0
0
0 0 0 0 0 0 0 0 0 0 0 0 0 0
3.4
0
ANAL
OG IN
DIGIT
AL IN
SBL/SBR
SL/SR
FL/FR
C/SW
DIGIT
AL IN
IC46
: TC74VHC157FT
Quad 2-channel multiplexer
SELECT
1
1A
2
1B
3
1Y
4
2A
5
2B
6
2Y
7
GND
8
Vcc
16
ST
15
4A
14
4B
13
4Y
12
3A
11
3B
10
3Y
9
AS
G
BA YB AY BA YY
B
IC48
: K4S641632N-LC60000
64 M synchronous DRAM
Bank Select
CLK
Row Decoder
I/O Control Output Buffer
Sense AMP
Address Register
Data Input Register
Column Decoder
Latency & Burst Length
Programming Register 2M x 8 / 1M x 16 2M x 8 / 1M x 16 2M x 8 / 1M x 16 2M x 8 / 1M x 16
Col. Buffer
Row Buffer
Refresh Counter
ADD
LCKE
LRAS
CLK
LRAS
LCAS
Timing Register
LCBR
LWE
LDQM
DQi LDQM LWE
LWCBR
CKE
CS
LCBR
WE
L(U)DQM
RAS
CAS
1
V
DD
V
SS
V
SS
V
SS
N.C/RFU UDQM CLK CKE N.C A11 A9 A8 A7 A6 A5 A4 V
SSQ
V
SSQ
V
DDQ
V
DDQ
DQ15 DQ14 DQ13 DQ12 DQ11 DQ10 DQ9 DQ8
V
DD
V
DDQ
V
DD
V
DDQ V
SSQ
V
SSQ
DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7
LDQM
WE
CAS RAS
CS
BA0
A0 A1 A2 A3
BA1
A10/AP1
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 54 53 52 51 50 49 48 47 46 45 44
Micr
ocontr
oller
I/F
Cbit, Pc
Fs calculat
or
IC41
: LC89058WD-E
Digit
al audio int
erf
ace r
eceiv
er
1
13 48
2
47 28 27 46 45 44
32
34
40
CL CE DI DO RERR SDIN R
D
ATA
RMCK RBCK RLRCK SBCK SLRCK XMODE
A
UDIO
INT CKS
T
MOUT
GPIO0 GPIO1 GPIO2 GPIO3
RX
OUT2
RX
OUT1
RX0 RX1 RX2 RX3 RX4 RX5 RX6 LPF
XIN
X
OUT
XMCK
41 39 38 37 36 24 21
4 8
10 29
9 5 3
16 22 17 20 23
35
33
Input
Select
or
PLL
Oscillation
Amplif
ier
Cloc
k
Select
or
Cloc
k
Divider
Demodulation
&
Loc
k
det
ect
Da
ta
Select
or
A15 A14 A13 A12 A11 A10
A9 A8
A19
NC
WE#
RESET#
NC
RY/BY#
WP#/ACC
A18 A17
A7 A6 A5 A4 A3 A2 A1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
A16 BYTE# GND Q15/A-1 Q7 Q14 Q6 Q13 Q5 Q12 Q4 VCC Q11 Q3 Q10 Q2 Q9 Q1 Q8 Q0 OE# GND CE# A0
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
CONTROL INPUT LOGIC
PROGRAM/ERASE HIGH VOLTAGE
WRITE
STATE
MACHINE
(WSM)
STATE REGISTER
FLASH ARRAY
X-DECODER
ADDRESS
LATCH
AND
BUFFER
Y-PASS GATE
Y-DECODER
ARRAY
SOURCE
HV
COMMAND DATA DECODER
COMMAND DATA LATCH
I/O BUFFER
PGM DATA
HV
PROGRAM
DATA LATCH
SENSE
AMPLIFIER
Q0-Q15/A-1
AM: MSB address
A0-AM
CE# OE#
WE#
RESET#
BYTE#
WP#/ACC
IC49
: MX29L
V1
60DBTI-70G
1
6M-bit 3V suppl
y f
lash memor
y
IC43
: NJM4565M
Dual operational amplifier
8 2, 6 3, 5
1, 7
4
V+
–INPUT +INPUT
V–
OUTPUT
IC47
: R1
1
73S00
1D-E2-F
V
olt
age r
egulat
or
IC44
:
D70YE101BRFP266
Floating-point digital signal processors
256
256
C67x
+
Microprocessor
D1
64
R/W
Data
D2
R/W
Program
Fetch
Memory
Controller
Program/Data
RAM
256K Bytes
JTAG EMU
McASP DMA Bus
Peripheral Configuration Bus
McASP0
16 Serializes
McASP1
6 Serializes
McASP2
2 Serializes
DIT Only
SPI1 SPI0 I2C0 I2C1 RTI PLL
Program/Data
ROM Page1 256K Bytes
Program/Data
ROM Page2 256K Bytes
Program/Data
ROM Page3 256K Bytes
High-performance
Crossbar Switch
CSP
PMP
DMP
Program
Cache
32K Bytes
I/O I/O
MAX0
MAX1
Events
In
CONTROL
dMAX
EMIF
Peripheral Interrupt and DMA Events
Interrupts
Out INT
Data
256 256 256 256
32 32 32 32 32 32 32 32 32
32
32
64
32
32
32
32
32
32
32
32 32
32
1 3 2
5 4
GND
V
CC
IC50,
51
:
TC7SH08FU
2-input AND gate
IN A IN B
OUT Y
IC45
: CS230003-CZZR
Clock multiplier
LCO
FILTP
FILTN M1 M0 CLK_IN
AUX_OUT
CLK/PLL
PLL_OUT
GND
VD
N
Output to Input Clock Ratio
PLL_OUT
23 kHz to 75 MHz AUX Output
23 kHz to 30 MHz
Frequency Reference
Ratio Selection
6 MHz to 75 MHz PLL Output AUX Output Source Select
CLK_IN
0.1uF
0.1uF
1uF
M[1:0] 00=1x 01=4x 10=128x 11=256x
128 Hz BW Digital PLL and Fractional N Logic
Δ∑ Fractional-N
Frequency Synthesizer
5
4 8 3 2 1
10 9 7 6
V
DD CE
Pin No
.
4 2 3 6 1
S
ymbol
CE
GND AD
J
V
DD
V
OUT
Descr
iption
Chip Enab
le Pin
Gr
ound Pin
5
GND
Gr
ound Pin
AD
J Pin
Input Pin Output Pin of
V
olt
age R
egulat
or
Vr
ef
61 4
2,5
Curr
ent Limit
V
OUT
GND AD
J
3
DSP
64 M SDRAM
16 M FLASH ROM
DOCK
to
DIGI
T
AL 4/5
to
DIGI
T
AL 2/5
to
DIGI
T
AL 1/5
to
DIGI
T
AL 4/5
to
DIGI
T
AL 1/5
to
DIGI
T
AL 4/5
(U model)
(B, G, E, F, J models)
DIR
XM DT IC
XM
No replacement part available.
サービス部品供給なし
No replacement part available.
サービス部品供給なし
RX-V1
065/AX-V1
065
HTR-6280
RX-V1
065/AX-V1
065
HTR-6280
to GUI_CB500
P
age 131
B2