A
B
C
D
E
F
G
H
1
2
3
4
5
6
I
J
K
L
M
N
7
8
9
10
DSP-AX620
■
SCHEMATIC DIAGRAM (DSP)
* All voltage are measured with a 10M
Ω
/V DC electric 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 1 of IC801)
V : 2V/div, H : 50 nsec/div
DC, 1 : 1 probe
0V
IC811, 813–817 :
µ
PC4570G2
IC807 : NJM2904M-T1
Dual OP Amp
–
+
OUT
1
–IN
1
–V
CC
+V
CC
OUT
2
1
2
3
4
5
+IN
1
–IN
2
+IN
2
–
+
6
7
8
IC808 : TC74HCUO4AF-TP1
Hex Inverters
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
IC805 : TC74HC00AF
Quad 2 Input NAND
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
IC812 : AK4527VQ
96kHz 24 bit 6ch 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
DEM1
DEM0
TVDD
DVDD
DVSS
PDN
ICKS2
ICKS1
ICKS0
CAD1
CAD0
33
32
31
30
29
28
27
26
25
24
23
DZF2
RIN+
RIN–
LIN+
LIN–
ROUT1
LOUT1
ROUT2
LOUT2
ROUT3
LOUT3
44
43
42
41
40
39
38
37
36
35
34
LOOP1
LOOP0/SDA/CDTI
DIF1/SCL/CCLK
DIF0/CSN
P/S
MCLK
DZF1
AVSS
AVDD
VREFH
VCOM
IC806 : TC74VHCT08AF
Quad 2 Input AND
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
IC802 : MSM514260C-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
IC818 : AK4382-VT-E2
D/A Converter
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
DATT
L P F
DAC
L OUT1
H P F
A D C
L IN+
L IN–
MCLK
LRCK
BICK
DAUX
SDOS
SDTO
SDTI1
SDTI2
SDTI3
FORMAT
CONVERTER
H P F
A D C
R IN+
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 OUT3
DATT
L P F
DAC
R OUT3
A U D I O
I / F
MCLK
LRCK
BICK
SDOUT
SDIN1
SDIN2
SDIN3
DC INPUT (VIN)
DC OUTPUT (VO)
ON/OFF CONTROL (VC)
GND
2
5
3
1
I C
IC803 : PQ025EZ5MZP
+2.5V Regulator
Conditions
• INPUT: DVD auto
• PROGRAM: PRO LOGIC DSP
AC3D3
4M
DRAM
CODEC
(A/D & D/A CONVERTER)
D/A
CONVERTER
FL/FR
FL
RL/RR
RL
DVD DIGITAL
L/R
L
C/LFE
C
4.9
0
0
4.7
0
3.9
4.9
0
3.9
3.9
4.9
0
3.6
2.6
3.1
4.9
0
0
0
0
0
0
4.9
4.8
1.1
0
0
4.9
0
4.9
4.9
4.9
4.9
3.4
0
0
0.3
4.9
4.9
4.9
3.4
3.4
3.4
2.5
2.5
0
4.9
4.9
4.7
0
0
0
0
0
0
0
2.5
1.8
3.4
0
2.1
2.0
3.1
2.1
1.3
1.4
1.4
1.3
1.3
1.3
1.3
1.3
3.4
0
2.5
2.5
2.5
2.5
0
0
0
0
1.1
0.3
0.1
3.4
4.7
4.8
4.8
4.8
3.9
0
3.9
3.9
0
2.5
4.6
0.4
1.4
0
0
0
0
3.4
0
2.5
3.4
3.4
0
0
0
0
1.7
1.7
1.7
0
3.4
4.9
4.1
0.1
0
0.1
3.4
1.7
1.7
0
0
0
2.5
0
0
0.1
4.1
4.9
0
0
4.9
4.9
4.9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2.5
2
.5
4.9
2.5
4.9
2.5
4.9
2.5
4.9
2.5
2.5
2.5
0
–11.3
11.9
2.5
2.5
2.5
0
0
–11.3
0
0
–11.3
0
0
–11.3
0
0
–11.3
0
0
–11.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4.9
4.9
2.4
0
0
0
0
0
1.7
2.5
2.5
2.5
2.5
2.4
2.4
2.4
2.4
2.4
2.4
0.1
1.7
0
0
1.4
4.9
2.5
2.5
2.5
2.5
3.1
1.7
1.1
1.8
4.9
3.6
0
0
0
0
0
0
0
0
0
2.6
~
~
~
~ ~
~
~
~
~
0
~
~
0
0
0
0
0
0
4.9
4.9
4.9
4.9
0
0
0
0
0
0
0
2.5
4.9
4.9
–11.3
0
0
0
0
0
11.9
0
0
0
–11.8
–11.2
0
0
–11.2
0
0
0.7
0
0
0.7
2.5
2.5
2.5
~
~
~
~
1.7
1.6
4.0
0
3.4
3.4
0
0
0
3.4
0
1.1
3.4
2.0
2.0
0
4.8
3.4
0
0
0
3.4
~
~
~
0
1.3
1.3
1.4
1.4
0
1.3
1.3
1.3
1.3
2.1
2.1
2.0
0
~
~
~
~
~
11.9
2.5
2.5
2.5
–11.8
2.5
2.5
2.5
–11.8
–11.8
2.5
2.5
2.5
11.9
–11.2
0
0
0
0
–11.2
0
0
–11.2
0
0
–11.2
0
0
0
0
–11.2
–11.2
0
0
0
–11.8
0
0
0
11.9
0
0
0
–11.8
0
0
0
11.9
0
0
0
–11.8
0
0
0
4.9
0
4.9
4.9
3.4
q
5
6
7
1
2
3
4
5
6
2
3
8
1
5
6
4
7
5
6
7
1
7
8
3
2
8
6
5
4
1
2
3
4
3
2
1
8
6
5
7
4
5
6
7
8
2
3
1
4
3
2
1
8
6
5
7
4
7
14
4
to INPUT (1)
E-68/J-66
P-E69/J67
I-9
Содержание DSP-AX620
Страница 3: ...DSP AX620 DSP AX620 2 R T models REAR PANELS 240V 50 B model G model ...
Страница 39: ...DSP AX620 DSP AX620 38 ANODE CONNECTION ...
Страница 82: ...DSP AX620 DSP AX620 ...