Schematic Diagram - Yamaha RX-V4600/DSP Service Manual

A B C
SCHEMATIC DIAGRAM (DSP 1/2)
1
Page 98
to DUAL_HDMI_CB302
2
1.9 1.3
4.9
REGULATOR
3
5.0
14
1
3 3.4
0.1
0.1
5.0 2 3.4
0
3 3.4
0.1 6
3.4
0.1
5.0 4
4 7
0
0.3
0
4.2 4.8
4.8
4.2 0.3
0.3 0.5
5.0 0.6
4.3 0.5
4.2 0.1
0 0 3.4 3.4
5
0 0.1 0.6
4.8
0
0.6
0.6
4.2 4,8
0
4.2 4.2 3.4
0 0.3 0.5 4.3
5.0 0.6
4.3
4.8
4.3 0.5 0
0.1 3.4
0 3.4
0
0 0.1
0.3
0
4.8
6
DIGITAL IN
4.9
14
2.3 2.8 2.8 0.6
1 2 13 12
7
0
2.3 2.8 2.8 0.6
3 4 11 10
7
2.3 2.8 2.8 0.6
5 6 9 8
8
9
IC501: SN74LVU04APWR
Hex Inverters
POINT A-1 Pin 29 of IC501
1A 1 14 VCC
1Y 2 13 6A
2A 3 12 6Y
2Y 4 11 5A
3A 5 10 5Y
3Y 6 9 4A
10
GND 7 8 4Y
D E F
Page 89 K3
to OPERATION(3) – V-AUX – CB905
E9 Page 92 G8
to POWER(3)_W127
2.6
3.4 4.9
3.4 4.9
0
0.1 3.4
0.2 0
1.8 0
0.1 0
3.4
1.3 0
3.4 0
0
12
11 3.4
13
0.1 3.4
0.1
1.3
0
3.4
3.4
3.4
0.1
0.1 3.4
0.1 0
1.3
0
3.4
A-1 1.8
1.7 1.3
1.7 0
DIR
3.4
0
1.3
0
3.4
0
1.3
0
ANALOG IN
DIGITAL IN
0
1.3
0
1.3
3.4
3.4
1.3
3.4
0
1.3
3.4
0
0
1.3
1.3
0
Page 97 G8
to DUAL_1394_CB5
IC502: SN74AHCT00PWR IC504, 505: SN74LS151NSR IC506: LC89057W-VF4
Quad 2-Input Nand Gates 8-Input Data selector / Multiplexer (Strobe) Digital Audio Interface Transceiver
1A 1 14 Vcc D3 1 16 Vcc
D3
1B 2 13 4B D2 2 D2 D4 15 D4
RXOUT 1
1Y 3 12 4A D1 3 D1 D5 14 D5
RX0 2
2A 4 11 4Y D0 4 D0 D6 13 D6
RX1 3
4
Y D7 RX2
2B 5 10 3B Y 5 12 D7
RX3 5
Selector
2Y 6 9 3A W 6 W A 11 A
RX4 8
9
RX5/VI
GND 7 8 3Y STROBE 7 S B 10 B
C RX6/UI 10
GND 8 9 C
LPF 13
TMCK/PIO0 44
TBCK/PIO1 45 Modulation
or
46
TLRCK/PIO2 Parallel Port
TDATA/PIO3 47
TXO/PIOEN 48
G H
Page 95 F8
to CONTROL_CB511_23Pin
3.4
3.4
0.1
0.1
3.4
0.1
0.1
0.1
0.1
3.4
0.1
3.4
0.1
3.4
DECODER
0.1
0.1
No service part available
サービス部品供給なし
IC507: PQ012FZ01ZPH IC508: PQ025EZ5MZP
1.2V1A Regulator 2.5V Regulator
EMPHA/UO AUDIO/VO INT CL CE CI XMODE
Vin 1 3 Vo Vin 1
32 33 35 48 39 38 41
Microcontroller V B 2 4 Vc
Cbit, Ubit 37 DO
I/F 5 5
GND GND
36
RERR
Demodulation
Input Data
& 21 RDATA
Selector
Lock detect
24 SDIN
16
RMCK
PLL
17 RBCK
Clock 20 RLRCK
Selector
22 SBCK
1/N
23 SLRCK
29 28 27 34
XIN XOUT XMCK CKST
I J K
0.2
1.8
3.4
1.8
0.1
0.1
0.1
1.3
0
0.1
3.0
3.0
3.0
1.3
0
3.4
1.8
1.8
3.4
0
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
0
1.3
3.4
3.4
3.4
3.4
SDRAM
3.4
3.4
3.4
1.3
0
3.4
3.4 3.4 0
3.4 3.4 3.4
3.4 3.4 3.4
3.4 0 0
3.4 3.4
3.4 3.4 3.4
1.3 3.4 3.4
0 3.4 3.4
1.3 3.4 3.4
0 0
3.4 3.4
3.4 3.4
3.4 3.4
3.4
3.4 3.4
3.4 1.7
3.4 3.4
3.4
~ 0.1
0.1 0.1
~ ~
~ ~
~ ~
~ 3.2
3.4 0
IC509: µPC29M33T-E1
3.3V Voltage Regulator
1 INPUT
3 Vo
Safety Drive
2 Vc
Limiter
Amp.
3 OUTPUT
Excessive Electric
Current Protection
2 GND
L M N
RX-V4600/DSP-AX4600
IC511: SN74AHCT08PWR IC510: SN74AHCT1G32DCKR
Quad 2-Input And Gate 2-Input or Gate
1A 1 14 Vcc A 1 5 Vcc
1B 2 13 4B B 2
1Y 3 12 4A GND 3 4 Y
2A 4 11 4Y
2B 5 10 3B
2Y 6 9 3A
GND 7 8 3Y
IC513: SN74LV245APWR
Octal Bus Transceiver with 3-state Outputs
DIR 1 20 Vcc
A1 2 19 OE
A2 3 18 B1
A3 4 17 B2
A4 5 16 B3
A5 6 15 B4
A6 7 14 B5
A7 8 13 B6
A8 9 12 B7
GND 10 11 B8
IC514, 536: 74VHC157MTCX
Quad 2-Input Multiplexer
S 1
15
E
I1d 10
9 Zd
11
I0d
I1c 13
12 Zc
14
I0c
I1b 6
7 Zb
5
I0b
I1a 3
4 Za
2
I0a
IC515: W9816G6CH
512K x 2 Banks x 16 Bits SDRAM
CLK 35
CLOCK
BUFFER
CKE 34
CONTROL COLUMN DECODER
CS 18
SIGNAL
R
RAS 17 GENERATOR O
COMMAND W
CAS 16 DECODER
D CELL ARRAY
2 DQ0
WE 15 E BANK #0
C
O 3 DQ1
D
E 5 DQ2
R
A10 20
6 DQ3
SENSE AMPLIFIER
8 DQ4
9 DQ5
MODE 11 DQ6
A0 21
REGISTER
∼
12 DQ7
A3 24 ADDRESS
REFRESH DQ
BUFFER
A4 27 COUNTER BUFFER 39 DQ8
∼
40 DQ9
A9 32
42 DQ10
BA 19
43 DQ11
45 DQ12
46 DQ13
REFRESH COLUMN COLUMN DECODER
48 DQ14
COUNTER COUNTER
R
49 DQ15
O
W
D CELL ARRAY
E
BANK #1
C
O
D
E
14 LDQM
R
SENSE AMPLIFIER 36 UDQM
IC533, 534: TC74VHC153FT
Dual 4-Channel Multiplexer
A 14
S0
S0
S1
S1
B 2
S2
S2
S3
S3
1C0 6
7 1Y
S0
1C1 5
DSP
S1
1C2 4
S2
1C3 3
S3
1G 1
2C0 10
9 2Y
S0
2C1 11
S1
2C2 12
S2
2C3 13
S3
2G 15
# All voltages are measured with a 10MΩ/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.
85