Yamaha DSP-A595a Manual de serviço - Página 23

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A
B
C
SCHEMATIC DIAGRAM (INPUT)
1
Q Q
3
7
PHONO(MM)
EQ AMP
2
11.4
0
3
8
1
0
2
0
0
6
7
0
0
4
5
-11.3
3
1
AUDIO
INPUT SELECTOR
SIGNAL
MAIN L
2
4
IN
3
(PLAY)
0 0 0 0
TAPE/MD
0
OUT
4
(REC)
5
0 0 0 0
T
E
L
1
3
9
4
6
IN
7
OUT
OUTPUT
-11.6
0
SUB
WOOFER
0
MUTING
8
TO VIDEO CB301
page E-49/J-47 D-4
IC102 : LC78213
IC101 : LC78211
Analog Function Switch
Analog Function Switch
9
w w w
.
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC's.
10
1SS133
HZS5C2TD
2SC2878(A, B)
NJM2068MD
M5220L
UPC4570HA
LB1641
1SS176
HZS11B2TD
HSS104
Anode
8
9
E
Cathode
C
B
D
E
F
FRONT L
REAR L
TO DSP CB6
page E-53/J-51 N-4
6
3
1
5
1
MAIN L
MAIN L
(DSP)
CENTER
CENTER/SUB WOOFER/FRONT/REAR AMP
CENTER
23.3
0
8
3
1
0
2
0.1
0
0.1
0.1
0.1
6
7
0.1
0.1
5
4
-23.0
FRONT L
REAR L
MAIN
CONTROL
MAIN L
0
11.9
0
4
1,9
0
2
0
0
3
0
0 0
0 0
MAIN L(DSP)
0
0
0
0
0
0 0
0 0
0
7
8
0
0
0
0
6
5
0
-11.7
2
2
9
6
5
1
3
IC103 : LC78212
Analog Function Switch
IC110,111 : TC9299P
Electric Controlled Volume
L1
1
30
R1
L2
2
29
R2
Vss
V
DD
1
16
L3
3
28
R3
OUT
2
LCOM1
4
27
RCOM1
L-ch
R-ch
L4
5
26
R4
IN
3
DATA
DATA
L5
R5
L-ch
LATCH
LATCH
6
25
NC
4
L6
R6
7
24
LCOM2
8
23
RCOM2
A-GND
5
L7
9
22
R7
L8
R8
CS1
6
10
21
LCOM3
11
20
RCOM3
SHIFT REGISTER (13bit)
LEVEL
LEVEL
GND
7
V
19
LEVEL SHIFTER
SHIFTER
SHIFTER
DD
Vss
16
14
D1
STROBE GENERATOR
LATCH
CK
8
V
12
EE
15
CL
RES
18
SHIFT RESISTER
CE
S
17
13
x
a
o
y
IC104 : NJM2068LD
i
IC107~109 : M5220L
Dual OP-Amp
TC74HCU04AP
HD74HC153P
LC78211
UPC4570C
TC9299P
LC78212
LC78213
+
+
–
–
1
2 3 4 5 6
7 8
10
http://www.xiaoyu163.com
G
H
5
0
MAIN L
(DSP)
0
0
0
CENTER
0
0.1
0
0
0
0
23.3
0
6
8
7
0
0 0 0
0
0
5
0
0
0
0
0
0
5
7
0
0 0 0
6
0
8
23.3
0
0
0
0
0
0
0
DSP AMP
0
0
0
-23.0
0
4
0
0
3
1
0
0
2
0
FRONT
L
0
2
1
0
0
3
0
0
0
4
0
-23.0
0
0
6CH
Q
Q
SELECTOR
3
7
6
TO OPE(1) CB800
TO DSP CB3
page E-52/J-50 A-5
page E-53/J-51 D-10
IC351: TC74HCU04AP
IC352 : HD74HC153P
Hex Inverters
Dual 4 to Data Selectors
15
OUT
1A 1
14 V
DD
14
IN
1Y 2
13 6A
R-ch
13
NC
2A 3
12 6Y
12
A-GND
2Y 4
11 5A
11
CS2
3A 5
10 5Y
10
STB
3Y 6
9 4A
9
DATA
Vss 7
8 4Y
u
1
6
3
µ
µ
IC404 : LB1641
IC106, 112, 113 :
PC4570HA
IC401~403 :
PC4570C
Motor Driver
Dual OP-Amp
Dual OP-Amp
.
A OUT
V+
A –IN
B OUT
A +IN
B –IN
V–
B +IN
http://www.xiaoyu163.com
I
J
K
TO OPE(4) CB802
page E-52/J-50 H-4
8
9
2
4
9
MAIN L
MAIN L
CENTER
SPEAKER LEVEL
CONTROL
11.9
0
6
1,9
8
0
7
0
0
3
2
0
4
0
5
-11.7
REAR L
11.9
6
1,9
8
7
0
3
2
0
4
0
5
-11.7
3
1
5
1
5
0
8
9
2
COAXIAL
DIGITAL
OPTICAL
SIGNAL
OPTICAL
m
c
o
Conditions
• INPUT
• VOLUME
• IMPEDANCE
SELECTOR
• PRO LOGIC → On
L
M
N
DSP-A595a
VOLUME AMP
MAIN L
8
2
9
9
11.7
8
0
3
1
0
0
2
0
6
7
0
0
4
5
CENTER
-11.6
11.7
3
8
1
0
0
0
2
0
6
7
0
0
5
4
-11.6
REAR L
11.7
3
8
0
1
0
0
2
0
6
7
0
0
4
5
-11.6
MOTOR DRIVE
4
9
8
2
9
9
EXTERNAL
DECODER
INPUT
SURROUND
DIGITAL SELECTOR
4.8
3.0
2.5
0
0.3
0
0
0
0
0
4.8
0
4.8
0
4.8
DIGITAL IN
:NOT USED
All voltages are measured with a 10M Ω /V DC electric volt meter.
→ CD
→ minimum(–∞)
Components having special characteristics are marked
and
must be replaced with parts having specifications equal to those
→ Upper
originally installed.
Schematic diagram is subject to change without notice.
E-50/J-48