A
B
C
D
E
F
G
H
1
2
3
4
5
6
I
J
K
L
M
N
7
8
9
10
79
RX-V750/DSP-AX750/DSP-AX750SE
RX-V650/HTR-5760
■
SCHEMATIC DIAGRAM (DSP)
* All voltages are measured with a 10M
Ω
/V DC electronic volt meter.
* Components having special characteristics are marked
Z
and
must be replaced with parts having specifications equal to
those originally installed.
* Schematic diagram is subject to change without notice.
Point
q
(Pin 28 of IC2)
V : 2V/div, H : 40nsec/div
DC, 1 : 1 probe
0V
EVE
(POST PROCESSING DSP)
ADAM
(DECODE DSP)
DIR
CODEC
DAC
SW
4M DRAM
1M
SRAM
REGULATOR
DUTY CORRECTOR
DIGITAL IN
A/D IN
DIGITAL IN
L/R
C/LFE
SL/SR
SBL/SBR
L/R
C/SW
SL/SR
PL/PR
SBL/SBR
SL
PL
SBL
SW
C
L
ANALOG IN
ANALOG IN
ANALOG IN
A/D IN
4.9
4.9
0
0.2
0
4.8
0.3
0
4.8
4.1
0
4.8
4.9
4.9
4.9
4.9
4.9
4.9
4.9
2.6
3.6
3.6
0
0
0
0
0
00
0
0
0.1
0.1
0.1
0.1
0.1
0.1
0
2.6
3.2
4.8
0
0.4
2.6
3.2
4.8
0
0.4
0.4
0.4
0
0
0
3.3
3.4
3.1
0.2
3.4
0
0
0
3.4
3.3
3.4
3.4
1.7
1.6
1.6
0.1
0
0
0
0
3.4
3.4
3.4
3.4
2.8
0.2
4.8
3.4
1.8
1.7
0.1
1.7
1.7
1.7
0.4
3.6
0.3
3.0
3.0
3.4
4.3
0
0
0
0
1.3
1.3
1.3
4.9
4.9
4.7
2.5
2.5
2.5
0
0
3.4
3.4
3.4
4.9
4.9
3.4
3.4
3.4
3.4
3.4
3.4
2.9
2.9
2.9
4.8
4.8
4.8
4.8
4.8
1.1
1.1
1.1
0
0
0
3.4
3.4
3.4
3.4
4.9
4.9
4.9
0.1
0.1
0.1
0.2
0.2
0.1
0
4.9
4.9
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
3.1
3.3
3.3
0.2
0.2
0.2
0.2
0.2
0
0.2
3.1
3.3
0
0
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
2.8
2.8
0
0
0
0
0
0
0
1.3
1.7
0
1.3
1.3
1.3
0
0
0
0
0
0
0.1
1.7
1.7
1.7
1.8
~
0.1
0.1
0.7
3.4
3.4
3.3
0.2
0.2
0.2
0.2
0.2
0
0
0
0
1.7
1.8
1.3
1.3
1.3
0
0
1.3
1.3
0
1.3
1.3
1.2
0.3
~
0
0
0
0
0
0
0
0
0.2
1.3
1.3
0.2
0.2
0.2
0.2
3.4
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
1.3
1.3
1.3
3.4
0
0
0
0
0
0
1.3
1.3
0
0
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.7
1.7
1.5
1.9
0.2
0
3.4
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.2
1.6
1.7
3.4
2.5
2.5
3.4
1.7
1.7
1.9
1.9
1.9
1.9
1.9
1.9
1.9
1.9
1.2
1.6
3.0
3.0
2.0
4.8
4.8
4.8
2.0
2.0
2.0
~
~
~
~
~
~
~
~
0
0
0
0
1.1
1.7
0.1
2.5
3.4
3.4
3.4
3.4
0.1
2.5
0
1.3
1.7
1.7
0.7
0.1
0.1
0.1
2.5
3.4
3.4
4.9
2.9
4.8
2.8
0
0
3.4
3.4
2.8
0
~
~
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
1.9
0
0
0
0
2.5
2.5
3.4
5.0
5.0
5.0
0
0
0
0
0
1.5
1.7
1.7
0.2
0.1
~
~
2.9
4.9
4.9
4.9
2.5
1.8
3.4
0
0
0
0
0
0
0
1.5
1.9
1.7
1.7
1.7
1.7
1.7
1.7
3.4
3.4
2.4
2.9
4.9
2.4
3.4
3.4
1.7
1.7
1.8
1.5
2.4
2.4
0
5.0
0.1
5.0
5.0
5.0
0
0
9.1
9.1
0
0
0
0
11.5
11.6
11.7
–11.7
0.5
–11.7
0.1
0.1
0.7
0
0
0
0
1.4
11.8
1.4
0
1.4
–11.8
1.4
0
0
0
0
0
0
0
0
11.8
2.5
4.9
4.9
2.5
2.5
2.5
–11.8
–11.8
0
0
0
0
0
0
11.8
–11.8
0
0
0
0
0
0
11.8
–11.8
0
0
0
0
0
0
11.8
1
s2
s3
s4
C2
C22, 78, 80, 87, 105
C17, 19, 33, 50, 53,
125
100/16
UR23810
100/16
UR23810
100/16
UU13810
47/16
UR83747
47/16
UR23747
47/16
UU13747
s4
s4
s4
s4
s2
s3
s3
s3
s3
s4
X: NOT USED
O: USED / APPLICABLE
RX-V750/DSP-AX750/DSP-AX750SE/RX-V650 Page 83 J-2
HTR-5760 Page 84 K-2
RX-V750/DSP-AX750/DSP-AX750SE/RX-V650 Page 83 F-7
HTR-5760 Page 84 F-7
TO OPERATION (1) CB804
RX-V750/DSP-AX750/DSP-AX750SE/RX-V650 Page 81 K-10
HTR-5760 Page 82 K-10
TO FUNCTION (2) CB506
Page 80 F-1
TO FUNCTION (1) CB305
TO OPERATION (4) W881
D17
MTZJ2B
A1
B1
A2
V
DD
B4
1
2
3
4
11
Y1
A4
Y4
12
13
14
B2
Y2
B3
A3
5
6
7
V
SS
Y3
8
9
10
1A
1Y
2Y
V
DD
6A
1
2
3
4
11
2A
6Y
5A
12
13
14
3A
3Y
5Y
4A
5
6
7
V
SS
4Y
8
9
10
IC3 : TC74HCT00AF
Quad 2 Input NAND
IC1 : MM74HCU04SJX
Hex Inverters
IC10 : SN74LV245APWR
Octal 3-State Bus Transceivers
1
DIR
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
A8
10
GND
20 V
CC
18 B1
17 B2
16 B3
15 B4
14 B5
13 B6
12 B7
11 B8
19 ENG
IC4 : NJM2904M-T1
IC17, 19, 21 : NE5532DR
IC18 :
µ
PC4570G2
IC20 : NJM2068MD-TE2
Dual OP-Amp
–
+
OUT1
–IN1
–VCC
+VCC
OUT2
1
2
3
4
5
+IN1
–IN2
+IN2
–
+
6
7
8
IC12 : PQ025EZ5MZP
IC13 : PQ012FZ01ZP
Rgulator
DC INPUT (VIN)
DC OUTPUT (VO)
ON/OFF CONTROL (VC)
GND
2
5
3
1
I C
G
4A
4B
4Y
3A
3B
1A
1B
1Y
2A
2B
2Y
3Y
S
15
STROBE
2
1A
14
4A
13
4B
12
4Y
11
3A
10
3B
9
3Y
1
SELECT
3
1B
4
1Y
5
2A
6
2B
7
2Y
8
16
V
CC
GND
INPUTS
OUTPUT
OUTPUT
INPUTS
INPUTS
OUTPUT
OUTPUT
INPUTS
IC14 : 74VHC157MTCX
2 to 1 Data Selectors
INPUTS
X
L
H
H
L
L
L
A
B
SELECT
STROBE
G
OUTPUT
Y
A1
B1
A2
V
DD
B4
1
2
3
4
11
Y1
A4
Y4
12
13
14
B2
Y2
B3
A3
5
6
7
V
SS
Y3
8
9
10
IC22 : SN74AHCT08PWR
Quad 2 Input AND
IC8 : MSM514260E-60JS
262,144 word x 16 bit Dynamic RAM
1
VCC
2
DQ1
3
DQ2
4
DQ3
5
DQ4
6
VCC
7
DQ5
8
DQ6
9
DQ7
10
DQ8
11
NC
12
NC
13
WE
14
RAS
15
NC
16
A0
17
A1
18
A2
19
A3
20
VCC
40
VSS
39
DQ16
38
DQ15
37
DQ14
36
DQ13
35
VSS
34
DQ12
33
DQ11
32
DQ10
31
DQ9
30
NC
29
LCAS
28
UCAS
27
OE
26
A8
25
A7
24
A6
23
A5
22
A4
21
VSS
TIMING
GENERATOR
I/O
CONTROLLER
I/O
CONTROLLER
COLUMN
DECODERS
SENSE
AMPLIFIERS
I/O
SELECTOR
OUTPUT
BUFFERS
OUTPUT
BUFFERS
INPUT
BUFFERS
INPUT
BUFFERS
MEMORY
CELLS
COLUMN
ADDRESS
BUFFERS
INTERNAL
ADDRESS
COUNTER
REFRESH
CONTROL CLOCK
ROW
DECODERS
WORD
DRIVERS
ON CHIP
VBB GENERATOR
ROW
ADDRESS
BUFFERS
RAS
LCAS
UCAS
A0~A8
VCC
VSS
WE
OE
DQ1~DQ8
DQ9~DQ16
9
9
16
16
8
8
8
8
8
8
8
8
9
9
IC6 : CY62128BLL-70SCT
Static RAM
IC15 : AK4382AVT
D/A Convertter
DE-EMPHASIS
CONTROL
8X
INTERPOLATOR
∆
∑
MODULATOR
SCF
SCF
CLOCK
DIVIDER
8X
INTERPOLATOR
∆
∑
MODULATOR
AUDIO
DATA
INTERFACE
µ
P
INTERFACE
12
15
16
13
14
6
7
8
4
2
3
5
1
11
10
9
CSN
VDD
VSS
DZFL
DZFR
AOUTL+
AOUTL–
AOUTR+
AOUTR–
CCLK
CDTI
PDN
MCLK
LRCK
BICK
SDTI
IC16 : AK4628VQ
192kHz 24bit 8ch CODEC
1
2
3
4
5
6
7
8
9
10
11
SDOS
I2C
SMUTE
BICK
LRCK
SDTI1
SDTI2
SDTI3
SDTO
D AUX
DFS
12
13
14
15
16
17
18
19
20
21
22
SDTI4
DZFE
TVDD
DVDD
DVSS
PDN
TST1
CAD1
CAD0
LOUT4
ROUT4
33
32
31
30
29
28
27
26
25
24
23
DZF2/OVF
RIN
LIN
NC
TST2
ROUT1
LOUT1
ROUT2
LOUT2
ROUT3
LOUT3
44
43
42
41
40
39
38
37
36
35
34
TDM0
LOOP0/SDA/CDTI
DIF1/SCL/CCLK
DIF0/CSN
P/S
MCLK
DZF1
AVSS
AVDD
VREFH
VCOM
DATT
L P F
DAC
L OUT1
H P F
A D C
L IN
MCLK
LRCK
BICK
DAUX
SDOS
SDTO
SDTI1
SDTI2
SDTI3
SDTI4
FORMAT
CONVERTER
H P F
A D C
R IN
DATT
L P F
DAC
R OUT1
DATT
L P F
DAC
L OUT2
DATT
L P F
DAC
R OUT2
DATT
L P F
DAC
L OUT4
DATT
L P F
DAC
DATT
L P F
DAC
L OUT3
DATT
L P F
DAC
R OUT4
R OUT3
A U D I O
I / F
MCLK
LRCK
BICK
SDOUT
SDIN1
SDIN2
SDIN3
SDIN4
NC
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
VCC
A15
CE2
WE
A13
A8
A9
A11
OE
A10
CE1
I/O7
I/O6
I/O5
I/O4
I/O3
INPUT BUFFER
COLUMN
DECODER
PO
WER
DO
WN
SENSE AMPS
R
O
W DECODER
512 X 512
ARRAY
CE1
CE2
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
WE
OE
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
* 電圧は、内部抵抗10MΩの電圧計で測定したものです。
*
Z
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。