Yamaha DSP-A595a, Руководство по обслуживанию

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A
1
2
3
4
5
6
7
8
9
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
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
-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
0 0
0
0
0
0
0
0
0
23.3
23.3
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
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
T
O
DSP CB1
page E-53/J-51
C-1
T
O
MAIN(6) CB501
page E-51/J-49
A-5
DIGITAL
SIGNAL
COAXIAL
OPTICAL
OPTICAL
SURROUND
EXTERNAL
DECODER
INPUT
T
O
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
1,9 4
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
NJM2068MD HZS5C2TD
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 VDD
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 :
µ
PC4570HA
Dual OP-Amp
A OUT
A –IN
A +IN
V–
V+
B OUT
B –IN
B +IN
IC401~403 :
µ
PC4570C
Dual OP-Amp
IC404 : LB1641
Motor Driver
Conditions
• INPUT
→
CD
• VOLUME
→
minimum(–
∞
)
• IMPEDANCE
SELECTOR
→
Upper
• PRO LOGIC
→
On
E-50/J-48