Yamaha RX-V3800 - AV Receiver, Service Manual

Page: 34 / 99

CB530 CB536 W5301 CB531 W5302
IC545 IC543
IC544
IC588
IC546
IC537
IC539
IC535 IC535 IC535
IC535
IC533
IC532
IC538
IC536
IC531
IC534
IC587
IC540
IC542 IC541
A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
RX-V3800/DSP-AX3800
124
★
All voltages are measured with a 10M
Ω
/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.
DSP 2/3
0
0
3.3
0
1.6
1.6
3.3 3.3 3.3
3.3
0 0 0
1.2
0 0 0 0 0
3.3
0 0
1.2
0
0 0
1.2
0 0
3.3
0
0
0 0
1.2
0
3.1
3.3
0
1.6
3.3
0
0
1.6 1.6 0
0
0.4
3.3
0.1 0.1
0 1.2
0.1 1.2
0 1.2
3.3 3.3
3.3 0 1.2
3.3 3.3 0
0 0 0 0 0 0 0
3.3
0.2 0.2
0
3.2
3.2
0
0
3.3
3.3
1.2
3.2
0
0
0
3.3
0
3.3
0
3.3
3.3
0
0
0
5.5 4.6
1.4
4.8
2.3
2.3
4.8
0
0 0
0
3.3
1.2
2.3
1.2
1.2
1.2 0 0
0
2.3
2.2
1.2
0
2.3
3.3
3.3
-0.1
-0.1
4.6
1.2
4.3
5.0
5.3
0 0 5.0 5.3
2.6
5.5
4.8 2.2
2.2
4.6
0
0
3.3
0
0
0
0
0
3.3
0
0
3.1
1.6
3.3
0
0
0
0
1.7
1.9
2.1
2.0
0
0 3.3
0 0
0
0
0 0
0
0
0
0
0
0
3.3
0
0
0
0
0
0
0
0
3.3
0
3.3
0
0
0
1.7
3.3
3.3
0
0
1.9
2.1
2.0
2.7
1.3
1.7
0
0
0
0
0
3.3
0
0
0
0
3.3
3.3
3.3
3.3
0
0
3.3
3.3
3.3
0
0
1.7
1.3
2.7
0
0
3.3
0
0
1.2
1.7
1.3
0
2.7
1.2
2.0
2.1
0
3.3
1.9
1.7
0
1.2
0
0
0
3.3
0
0
0
0
0
1.2
0
1.3
0
0
0
3.3
0
1.2
1.6
3.3
0
3.3
0
0 4
3
2
1
5
0
3.3
1.2
0
0
0
1.2
0
3.3
3.3
3.3
0
3.3
3.3
1.2
3.3
3.3
0
0
0
0
0
3.3
0 0.2 0.2
0
3.3
3.3
0
3.2
4.8
3.2
4.0
3.2
4.8
3.2
4.8
0.2
4.8
0.2
0.1
0
0.1 0.1
0
3.3
0
0
0
3.3
3.3
4.8
4.8
3.2
3.3
3.3
3.3
0
0
0
4.8
0
3.3
0
3.3
0
3.3
5.0 5.0
0
0
5.0
5.0
0
5.0
5.0
5.0 5.0 0
0
0
0
0 0.3
3.3
DIGITAL IN
ANALOG IN
to DSP 3/3
to DSP 1/3
to DSP 3/3
No replacement part available.
サービス部品供給なし
(U, C models)
DECODER
RAM
FLASH ROM
IC588: SN74LV157APWR
Quadruple 2-line to 1-line data selectors/multiplexers
Pin numbers shown are for the D, DB, DGV, J, NS, PW, and W packages.
2
3
5
6
11
10
14
13
15
1
G
A/B
4B
4A
3B
3A
2B
2A
1B
1A
4
7
9
12
1Y
2Y
3Y
4Y
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
A/B
1A
1B
1Y
2A
2B
2Y
GND
V
CC
G
4A
4B
4Y
3A
3B
3Y
1
3
2
5
4
GND
V
CC
IC531, 537, 539, 546: TC7SH08FU
2-input AND gate
IN A
IN B
OUT Y
IC587: W9864G6GH-7
64 M x 4 banks SDRAM
DQ0
DQ15
UDQM
LDQM
CLK
CKE
A10
CLOCK
BUFFER
COMMAND DECODER
ADDRESS
BUFFER
REFRESH
COUNTER
COLUMN
COUNTER
CONTROL
SIGNAL
GENERATOR
MODE
REGISTER
CELL ARRAY
BANK #2
COLUMN DECODER
SENSE AMPLIFIER
CELL ARRAY
BANK #0
CELL ARRAY
BANK #3
DATA CONTROL
CIRCUIT
DQ
BUFFER
COLUMN DECODER
SENSE AMPLIFIER
CELL ARRAY
BANK #1
ROW DECODER
A0
A9
BS0
BS1
CS
RAS
CAS
WE
A11
ROW DECODER
COLUMN DECODER
SENSE AMPLIFIER
COLUMN DECODER
SENSE AMPLIFIER
ROW DECODER ROW DECODER
4B 13
4A 12
4Y 11
3B 10
3A 9
3Y 8
1B 2
1Y 3
2A 4
2B 5
2Y 6
GND 7
IC535: SN74AHCT08PWR
Quadruple 2-input positive-AND gates
Vcc 14 1A 1
1
3
2
5
4 GND
V
CC
IC532, 533, 538: TC7SET32FU
2-input OR gate
IN A
IN B
OUT Y
1 3
4
5
2
IC
DC output (Vo)
DC input (Vin)
ON/OFF control (Vc)
GND
DC output adjustment (Vadj)
IC544: NJM2885DL1-33
Low dropout voltage regulator
V
OUT
V
IN
GND
1 3
2
Bandgap
Reference
Thermal
Protection
IC543, 545: PQ200WNA1ZPH
Low power loss regulator
IC534: 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 Serializers
McASP1
6 Serializers
McASP2
2 Serializers
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
IC541, 542: R1172S121D-E2-F
Voltage regulator
V
DD
CE
Pin No.
1
2, 5
3
4
6
Symbol
VOUT
GND
CE
NC
VDD
Description
Output Pin of Voltage Regulator
Ground Pin
Chip Enable Pin
No Connection
Input Pin
Vref
6 1
3 2,5
Current Limit
V
OUT
GND
1 DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
Vcc
OE
B1
B2
B3
B4
B5
B6
B7
B8
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
IC536: SN74LV245APWR
Octal bus transceiver with 3-state outputs
to FL (5)_CB973
Page 141 L5
to FL (5)_CB959
Page 141 M5
to POWER (3)_CB16
Page 132 H6
NET_W605
Page 142 I8
to POWER (3)_CB17
Page 132 H7
ANALOG IN
SBL/SBR
C/SW
SL/SR
FL/FR