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Yamaha DSP-A595a Manual

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A
1
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10
DSP-A595a
B
C D
E F
G H I J K L M
N
★
All voltages are measured with a 10M
Ω
/V DC electric volt meter.
★
Components having special characteristics are marked and
must be replaced with parts having specifications equal to those
originally installed.
★
Schematic diagram is subject to change without notice.
REAR L
FRONT L
FRONT L
REAR L
FRONT
L
REAR L
REAR L
MAIN L
MAIN L(DSP)
MAIN L
MAIN L
CENTER
CENTER
MAIN L
(DSP)
CENTER
MAIN L
MAIN L
MAIN L
DIGITAL IN
CENTER
CENTER
MAIN L
(DSP)
11.4
0
0
-11.3
0
0
0
0
0
0
0
00
00
0
0
0
00 00
00 00
0000
00 00
0
0
-11.7
0
0
0
11.9
0
0
0
11.9
11.9
0
0
-11.8
0
4.8
4.8
11 .9
11 .9
0
0
-11. 8
0
4.8
4.8
11 .9
11 .9
0
0
-11. 8
0
4.8
4.8
4.8
-11. 7
0
0
0
0
0
4 .8
11 .9
0
11.9
0
0
0
4.8
-11. 7
0
0
0
0
0
4 .8
11.9
0
0
0
0
0
-11.6
0
0
-23.0
-23.0
0
0
0
0
0
0
0
0
0
0
00
0
0
0
0
0
0
0
23.3
23.3
00 0
000
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
0
0.1
0.1
0
0.1
-23.0
0.1
0.1
0.1
23.3
0.1
0
0
11.9
-11.7
-11.7
0
0
0
0
11.9
0
0
0
0
0
11.7
0
0
0
-11.6
0
0
0
11.7
0
0
0
-11.6
0
0
0
11.7
0
0
0
-11.6
0
0.5
0.7
1.1
1.7
1.7
10.0
10.0
0.7
0.5
0
0
0
0
0
0
0
4. 8
0
0
0
0
0
0
4 .3
0.3
4.3
0
4. 8
0
0.3
0.3
0
0
4.8
4.8
4.8
4.8
0.3
2.5
3.0
0
0
0
SPEAKER LEVEL
CONTROL
VOLUME AMP
MOTOR DRIVE
DIGITAL SELECTOR
CENTER/SUB WOOFER/FRONT/REAR AMP
6CH
SELECTOR
DSP AMP
MAIN
CONTROL
INPUT SELECTOR
PHONO(MM)
EQ AMP
MUTING
:NOT USED
TO DSP CB1
page E-53/J-51
C-1
TO MAIN(6) CB501
page E-51/J-49
A-5
DIGITAL
SIGNAL
COAXIAL
OPTICAL
OPTICAL
SURROUND
EXTERNAL
DECODER
INPUT
TO MAIN(7) CB721
page E-51/J-49
J-9
TO OPE(4) CB802
page E-52/J-50
H-4
TO DSP CB6
page E-53/J-51
N-4
OUTPUT
SUB
WOOFER
IN
OUT
TAPE/MD
3
4
IN
(PLAY)
OUT
(REC)
1
2
AUDIO
SIGNAL
TO VIDEO CB301
page E-49/J-47
D-4
TO OPE(1) CB800
page E-52/J-50
A-5
TO DSP CB3
page E-53/J-51
D-10
1
2
3
7
5
6
8
4
1
2
3
7
5
6
8
4
2
3
1,94
8
6
7
5
2
3
3
2
4
1
1
4
5
6
6
5
7
7
8
8
7
1,9
2
6
5
3
8
7
1,9
6
8
4
2
5
3
4
1
8
3
2
7
4
6
5
1
8
3
2
7
4
6
5
1
8
3
2
7
4
6
5
■ SCHEMATIC DIAGRAM (INPUT)
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.
UPC4570HA
LB1641
HD74HC153P
TC9299P
M5220L
1SS133
1SS176
HSS104
TC74HCU04AP
UPC4570C
LC78211
LC78212
LC78213
Anode
Cathode
NJM2068MDHZS5C2TD
HZS11B2TD
2SC2878(A, B)
E
C
B
8
9
10
IC101 : LC78211
Analog Function Switch
IC103 : LC78212
Analog Function Switch
IC102 : LC78213
Analog Function Switch
IC110,111 : TC9299P
Electric Controlled Volume
2
3
4
5
6
7
8
15
14
13
12
11
10
9
1 16
L-ch
DATA
LATCH
R-ch
DATA
LATCH
LEVEL
SHIFTER
SHIFT REGISTER (13bit)
STROBE GENERATOR
LEVEL
SHIFTER
OUT
IN
NC
A-GND
CS2
STB
DATA
OUT
IN
NC
A-GND
CS1
GND
CK
Vss V
DD
R-ch
L-ch
IC351: TC74HCU04AP
Hex Inverters
2A 3
1Y 2
1A 1
2Y 4
3A 5
3Y 6
Vss 7
14 V
DD
11 5A
12 6Y
13 6A
10 5Y
9 4A
8 4Y
1
2
3
4
30
29
28
27
5
6
7
8
26
25
24
23
9
10
11
22
21
19
16
12
14
18
15
17
13
20
L1
L2
L3
LCOM1
L4
L5
L6
LCOM2
L7
L8
LCOM3
V
DD
Vss
V
EE
RES
S
R1
R2
R3
RCOM1
R4
R5
R6
RCOM2
R7
R8
RCOM3
D1
CL
CE
LEVEL SHIFTER
LATCH
SHIFT RESISTER
CONTROL,
IC352 : HD74HC153P
Dual 4 to Data Selectors
IC104 : NJM2068LD
IC107~109 : M5220L
Dual OP-Amp
1
OUT1
2
–IN1
3
+IN1
4
–Vcc
5
+IN2
6
–IN2
7
OUT2
8
+Vcc
+
–
+
–
IC106, 112, 113 : µPC4570HA
Dual OP-Amp
A OUT
A –IN
A +IN
V–
V+
B OUT
B –IN
B +IN
IC401~403 : µPC4570C
Dual OP-Amp
IC404 : LB1641
Motor Driver
Conditions
• INPUT → CD
• VOLUME → minimum(–∞)
• IMPEDANCE
SELECTOR → Upper
• PRO LOGIC → On
E-50/J-48
… 41 …


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