Yamaha RX-V2600, Service Manual

Page: 101 / 155

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-V2600/DSP-AX2600
SCHEMATIC DIAGRAM (DSP 1/2)
101
★
All voltages are measured with a 10M
Ω
/V DC electronic volt meter.
★
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.
IC501 : SN74LVU04APWR
Hex Inverters
1A
1Y
2Y
VCC
6A
1
2
3
4 11
2A 6Y
5A
12
13
14
3A
3Y
5Y
4A
5
6
7 4Y 8
9
10
GND
4B 13
4A 12
4Y 11
3B 10
3A 9
3Y 8
1B 2
1Y 3
2A 4
2B 5
2Y 6
GND 7
IC502 : SN74AHCT00PWR
Quad 2-Input Nand Gate
Vcc 14 1A 1
S2
S1
S0
E
I0 I1 I2 I3 I4 I5 I6 I7
Z Z
14 1 2
6
7
3 4
5
9
11
12
10
13 15
VCC = PIN 16
GND = PIN 8
= PIN NUMBERS
IC504, 505 : SN74LS151NSR
8-input Multiplexer
Input
Selector
RXOUT
RX0
RX1
RX2
RX3
RX4
RX5/VI
RX6/UI
LPF
TMCK/PIO0
TBCK/PIO1
TLRCK/PIO2
TDATA/PIO3
TXO/PIOEN
Cbit, Ubit
Microcontroller
I/F
Data
Selector
Clock
Selector
Modulation
&
Parallel Port
PLL
XIN XOUT XMCK CKST
SLRCK
SBCK
RLRCK
RBCK
RMCK
SDIN
RDATA
RERR
DO
XMODE CI CE CL INT AUDIO/VO EMPHA/UO
1/N
Demodulation
&
Lock detect
1
2
3
4
5
8
9
10
13
44
45
46
47
48
29 28 27 34
23
22
20
17
16
24
21
36
37
41 38 39 48 35 33 32
IC506 : LC89057W-VF4A-E
Digital Audio Interface Transceiver
1
DC input
(Vin)
GND
DC output
(Vo)
3
5
IC507 : PQ012FZ01ZPH
Voltage Regulator
2
Bias power supply
(VB)
ON/OFF control
(Vc)
4
Specific IC
IC508 : PQ025EZ5MZP
Regulator
Vin Vo
Vc NC
GND
Specific IC
1
3
2 4
5
IC509 :
µ
PC29M33T-E1-AZ
Voltage Regulator
3 OUTPUT
1 INPUT
2 GND
Safety Drive
Limiter
Excessive Electric
Current Protection
Sudden Current
Protection
Starter Circuit
Driver
Standard Voltage
Overheat Protection
Amp.
Y 4
B 2
GND 3
IC510, 551 : SN74AHCT1G32DCKR
SINGLE 2-INPUT POSITIVE-OR GATE
Vcc 5 A 1
4B 13
4A 12
4Y 11
3B 10
3A 9
3Y 8
1B 2
1Y 3
2A 4
2B 5
2Y 6
GND 7
IC511 : SN74AHCT08PWR
Quad 2-Input And Gate
Vcc 14 1A 1
Pin Multiple
xing
EMIF32
L1P Cache
Direct Mapped
4K Bytes Total
Digital Signal Processors
L1D Cache
2-Way Set
Associative
4K Bytes Total
Clock Generator,
Oscillator and PLL
x4 through x25 Multipliers
/1 through /32 Dividers
Power-Down
Logic
Instruction Fetch
Instruction Dispatch
Instruction Decode
Data Path B Data Path A
B Register File
Control
Registers
C67x TM CPU
Control
Logic
In-Circuit
Emulation
Interrupt
Control
Test
A Register File
.L1t
McASP1
McASP0
McBSP1
McBSP0
I2C1
I2C0
Timer 1
Timer 0
.S1t .M1t .D1 .D2 .M2t .S2t .L2t
GP1
GP0
HPI16
Enhanced
DMA
Controller
(16 channel)
L2 Cache/
Memory
4 Banks
64K Bytes
Total
(4-Way)
L2
Memory
DA610:
192K Bytes
DA601:
64K Bytes
R2 ROM
512K
Bytes
Total
IC512 : D60YA003BPYP225
Decoder
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
IC513, 552 : SN74LV245APWR
Octal Bus Transceiver
with 3-state Outputs
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
IC514 : SN74LV157APWR
Quadruple 2-line to 1-line data selectors/multiplexers
IC515 : W9816G6CH-7
512K x 2 Banks x 16 Bits SDRAM
CLOCK
BUFFER
ADDRESS
BUFFER
CLK 35
18
CKE 34
A10 20
CS
17 RAS
16 CAS
15 WE
21 A0
24 A3
27 A4
32 A9
19 BA
2 DQ0
3 DQ1
5 DQ2
6 DQ3
8 DQ4
9 DQ5
11 DQ6
12 DQ7
39 DQ8
40 DQ9
42 DQ10
43 DQ11
45 DQ12
46 DQ13
48 DQ14
49 DQ15
14 LDQM
36 UDQM
COMMAND
DECODER
REFRESH
COUNTER
REFRESH
COUNTER
DQ
BUFFER
COLUMN
COUNTER
MODE
REGISTER
CONTROL
SIGNAL
GENERATOR
CELL ARRAY
BANK #0
R
O
W
D
E
C
O
D
E
R
COLUMN DECODER
SENSE AMPLIFIER
CELL ARRAY
BANK #1
R
O
W
D
E
C
O
D
E
R
COLUMN DECODER
SENSE AMPLIFIER
IC533, 534 : TC74VHC153FT
Dual 4-Channel Multiplexer
14 A
S0
S0
6
1C0
2 B
S1
S1
S2
S2
S3
S3
S0
7 1Y
5 1C1
S1
4
1C2
S2
1
1G
3 1C3
S3
10 2C0
S0
9
2Y
11
2C1
S1
12 2C2
S2
15 2G
13
2C3
S3
V
SS
V
CC
WE
CE
A
0
to A
17
OE
Erase Voltage
Generator
DQ
0
to DQ
15
State
Control
Command
Register
Program Voltage
Generator
Low V
CC
Detector
Address
Latch
X-Decoder
Y-Decoder
Cell Matrix
Y-Gating
Chip Enable
Output Enable
Logic
Data Latch
Input/Output
Buffers
STB
STB
Timer for
Program/Erase
A
-1
BYTE
RESET
RY/BY
Buffer
RY/BY
IC542 : MBM29LV400BC-70
FLASH MEMORY
Y 4
B 2
GND 3
IC571 : SN74AHC1G08DCKR
2-input positive-AND gate
Vcc 5 A 1
ANALOG IN
ANALOG IN
DIGITAL IN
DIGITAL IN
2.4
3.4 1.3
1.3
4.3
4.9
4.7 2.6
2.6
0
0
0
3.4
0
0
3.4
3.4
4.8
4.8
0.1
0.1
0.1
3.4
3.4
3.4
3.4
12
11
13
0
0
0
0
0
0
0
1.3
1.7
0
5.0
0.1
0.1
5.0
0
0.1
5.0
0
4.1
0
4.8
4.1
0
4.8
4.1
0
4.8
4.1
0
4.8
0.1
0
0
0
0
14
4
1
2
3
7
5
6
4.1 4.8
4.1
0.1
0.1
3.4
0.1
4.1
4.1
4.3
0
0
0
0
0.1
4.1 4.8
4.1
0.1
0.1
3.4
0.1
4.1
4.1
4.3
0
0
0
0
0.1
3.4
4.9
4.8
5.0 0.1
0.1 0.1
3.3
0.1 4.8
3.4
3.4
1.3
1.3
1.7 3.4 3.4 3.4 3.4 3.4 3.4 3.4 3.4 3.4
3.4 3.4
0
1.3 1.3 1.3 1.3
0.1
3.4
3.4
1.8
0.1
0.7
1.3
1.3
1.8
1.0
3.3
3.3
1.3
1.2
0
0
0
0
0
0
1.3
1.3
1.3
1.3 1.3 1.3 1.3 1.3
1.3
1.3
2.5
0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
1.8
2.5
3.4
3.4
3.4 3.4 3.4 3.4 3.4
1.3 0.3 0.2
0 0 0 0 0 0 0 0
3.2 3.2 3.2 3.2 3.0 0.7
~
~
3.4 3.2
1.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.4
3.4
3.4
3.4
0
0.1
0
3.4
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.4
3.4
0.3
0
3.3
3.4
3.3
3.3
3.3
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
2.5
3.0
3.1
3.1
3.4
3.3
3.3
3.3
3.3
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.1
3.1
0.1
0.1
0.1
0
0
3.3
3.3
3.3
3.3
3.3
3.4
3.4
3.4
3.4
3.4
1.8
0.1
0.1
3.5
3.0
~
~
~
~
~
~
0
0
0
3.3
3.3
3.4
3.4
3.4
0
1.3 0 0 0
0
0 3.4 3.4
3.4
3.4
0
0.1
3.4
1.3 1.3 1.3
3.4 3.4
3.4
0
0 0 0 0
0
0
0 0
0
3.4
5.0
0
3.4
14
2
3
1
4 5 9
10 12 13
11 8 6 3
14
2
7
5
4.9 4.9 4.9 4.9 4.9 0.1
2.7
0
0
0
0.1
3.4
3.4
3.4
3.4
3.4
3.4
1.3
1.3
1.3
1.3
0.1
0.1
0.1
3.3
0
0
0
0
1.3
1.3
1.3
1.3
1.3
1.3
1.3
0.1
3.4
3.4
3.4
3.4
3.4
0.1
0
0
0
0
3.4
3.4
3.4
3.3
1.3
1.3
0
0
0
0.1
1.7
1.7
0
0
0
0
3.4
3.4
3.4
0.1
0.1
0.6
2.3 2.8
0.6
2.3 2.8
0.6
3.3
0.1
0.1
0
0.1
0.1
0.1
4.9
0
0.1
0.1
2.7 3.3
3.4
0.6
3.4
3.4
3.4
4.3
4.3
0
0
0
0
0.6
0.6
3.4
3.4
A-1
3.4
1.7
1.7
1.7
3.4
0.1
0.1
0
0
3.4
3.4 3.4
0
0
3.4
3.4
1.7
1.7
1.3 1.3
1.7
0
0
4.8
14
2.3 2.8
1.7
1.7
0
0
0.1
1.7
1.7
0
0
0
0
0
0
0
0
0
3.0
0
0
2.7
0
0
0
U, C, R, T, K, A, B, G, L models
J model
Page 107
to POWER (5)_W7
G7 Page 105
to OPERATION (3)_CB904
F3 Page 103
to FUNCTION (1)_CB317
J2 Page 103
to FUNCTION (1)_CB318
J3 Page 103
to FUNCTION (1)_CB319
J4
P
age 105
to OPERA
TION (2)_CB909
F6
DSP
001.sht
U, C models
INPUT
SELECTOR
RECOUT
SELECTOR
DIR
XM DT
DECODER
No replacement part available.
サービス部品供給なし
10/100
10/100 10/100
POINT A-1 Pin 26 of IC508