Yamaha DSP-AZ2 Service Manual

to VIDEO (5)
to VIDEO (7)to VIDEO (7)
RX-V3300/DSP-AZ2
A
1
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3
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9
BCDEFGH I J KL
76
SCHEMATIC DIAGRAM (FUNCTION)
★ All voltages are measured with a 10MΩ/V DC electric volt meter.
★ Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
INPUT SELECTOR
PHONO EQ
ELECTRIC
VOLUME
MAIN µ–COM
FLASH
MEMORY
MUTE
POWER
DETECT/
RESET
Point 4 IN of IC522
and collector of Q512
POWER ON
(Connect the power cord)
POWER OFF
(Disconnect the power cord)
A IC522 IN
B Q512 C
Point 3 Pin 20 of IC520
x: NOT USED
O:USED / APPLICABLE
IC501, 507, 511, 513~515, 521, 523~525, 527, 530, 531: NJM2068MD
IC508, : µPC4570G2
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
IC505, 510: LC78213
Analog Function Switch
IC502, 504: LC78212
Analog Function Switch
1
2
3
4
5
6
7
8
30
29
28
27
26
25
24
23
L1
L2
L3
LCOM1
L4
L5
L6
LCOM2
R1
R2
R3
RCOM1
R4
RCOM2
R5
R6
9
10
11
22
21
20
19
16
12
18
17
14
15
13
LEVEL SHIFTER
LATCH
CONTROL
SHIFT REGISTER
ZZ
ZZ
ZZ
L7
L8
RES
S
V
DD
V SS
V EE
LCOM3
RCOM3
R7
R8
D1
CL
CE
IC503, 509: LC78211
Analog Function Switch
1
2
3
4
5
6
7
8
9
10
11
30
29
28
27
26
25
24
23
22
21
20
19
16
12
18
17
14
15
13
LEVEL SHIFTER
LATCH
CONTROL
SHIFT REGISTER
ZZ
ZZ
ZZ
L1
L2
L3
L4
LCOM1
L5
L6
L7
L8
RES
S
V
DD
V SS
V EE
LCOM2
LCOM3
R1
R2
R3
R4
RCOM1
RCOM2
RCOM3
R5
R7
R8
D1
CL
CE
R6
1
2
3
4
5
6
7
8
9
10
11
30
29
28
27
26
25
24
23
22
21
20
19
16
12
18
17
14
15
13
LEVEL SHIFTER
LATCH
CONTROL
SHIFT REGISTER
ZZ
ZZ
ZZ
L1
L2
LCOM1
L3
L4
LCOM2
L5
LCOM3
L7
RES
S
V
DD
V SS
V EE
L6
LCOM4
R1
R2
RCOM1
R3
R4
R6
RCOM4
RCOM2
RCOM3
R7
D1
CL
CE
R5
IC512: MX29F400BTC-70
4Mbit CMOS Flash Memory
Control
Input Logic
Sense
Amplifier
Write State
Machine (WSM)
State
Register
Program/Erase
High Voltage
I/O Buffer
Address
Latch
and
Buffer
CE
OE
WE
Flash
Array
Y-Pass
Gate
X-Decoder Y-Decoder
A0~A17
Q0~Q15/A-1
PGM
Data HV
Array
Source
HV
Command
Data Latch
Command
Data Decoder
Program
Data Latch
12
LIN2
9
LOUT
8
VREF
VREF
VREF
256
256
Reset
Vref
Generator
&
Reset
pulse
Generator
2
SDATAO
20
SDATAI
19
CSN
1
SCLK
16
TE
18
ZCEN
S/P
Register
Control
Register
L
Zero Cross
Detection
IC516~519, 526, 529: YAC520-EE2
Stereo Digital Volume Controller
11
LIN1
4
DVSS
3
DVDD
13
AVSS
6
AVDD
17
ICN
+
–
R
14
RIN2
7
ROUT
15
RIN1
+
–
16
IC522: AN78N05
Voltage Regulator
+
–
1 2 3
Output Pass Transistor
Rsc
Excessive Electric
Current Protection
Power Supply
Standard
Voltage
Amp.
Heat
Protection
Starter
Circuit
IC528: TC4066BF-T1
Quad Analog Switch/Multiplexer
1
2
3
4
5
6
7
IN/OUT1
OUT/IN1
OUT/IN2
IN/OUT2
CONT2
CONT3
VSS
14
13
12
11
10
9
8
VDD
CONT1
CONT4
IN/OUT4
OUT/IN4
OUT/IN3
IN/OUT3
Page 77
to OPERATION (3)
H6
Page 75
to DSP
E1 Page 75
to DSP
G1
Page 80
to POWER (1)
A5
Page 80
to POWER (1)
A5Page 80
to POWER (1)
A4Page 80
to POWER (2)
H5
Page 78
to VIDEO (5)
C3
Page 77
to OPERATION (1)
F1
Page 80
to POWER (3)
H4
Page 78 C2
Page 78 C3Page 78
Page 77
to OPERATION (2)
A6
B3
1
2
3
5
6
7
9
10
1
2
3
4
6
7
9
10
30
29
28
26
25
24
22
21
30
29
28
27
25
24
22
21
4
8
11
5
8
11
21
22
21
5
6
2
3
30
29
27
26
24
23
28
25
22
30
29
28
26
25
24
27
20
23
20
11
10
3
6
9
3
2
6
5
2
5
8
1
7
8
4
8
4
7
3
2
8
4
1
6
5
7
1
4
8
3
2
1
10
1
4
7
9
8
6
5
11
27
23
20
26
23
20
5
6
7
2
3
1
4
8
6
5
7
3
2
1
4
8
1
7
7
1
8
8
8
5
4
3
2
6
5
6
5
4
3
2
1
26
9
1
7
7
8
4
30
29
28
27
7
24
8
2
3
5
6
7
4
8
6
5
1
12
15
3
2
11
10
14
13
6
5
3
2
4
5
6
8
2
7
14
9
7
1
4
8
13
10
11
6
5
3
2
28
8
4
11
1
7
30
29
25
27
26
2
3
5
6
10
9
5
8
20
22
21
23
24
3
2
1
6
8
7
5
4
6
5
8
4
1
2
3
4
1
3
2
8
1
2
3
4
7
5
6
I
2
C Bus Interface
Output
Data Latch
8
Output Data
Reset
Input Data
I/O Port
Shift Register
3
SDA
1
SO
16
CS0
15
CS1
14
CS2
12
D7
11
D6
10
D5
9
D4
7
D3
6
D2
5
D1
4
D0
2
SCL
8
GND
13
VDD
IC532: M62320FP
I/O Expander
8
I/O Setting
Register
8
Input/Output
8
I/O Setting
Register
8
8
Power On
Reset
MAIN L (ANALOG IN)
FRONT L
MAIN L
CENTER
REAR L
2
3
A
B
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
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
0
0
0
0
0
0
0
0
0
0
0
0
0
00
0
0
0
0
0
0
0
0
0
11.4
-11.8
0
0
0
0
0
0
0.1
0.1
0.1
0
0
0.1
0.1
0
4.8
0
5.0
0
2.7
2.7
0
2.7
2.7
0
2.7
2.7
2.7
5.2
0
0
0
5.2
4.8
0
4.8
0
5.0
0
2.7
2.7
0
2.7
2.7
0
2.7
2.7
2.7
5.2
0
0
0
5.2
4.7
0
4.8
0
5.0
0
2.7
2.7
0
2.7
2.7
0
2.7
2.7
2.7
5.2
0
0
0
5.2
4.8
0
4.8
0
5.0
0
2.7
2.7
0
2.7
2.7
0
2.7
2.7
2.7
5.2
0
0
0
5.2
4.8
0
4.8
0
5.0
0
2.7
2.7
0
2.7
2.7
0
2.7
2.7
2.7
5.2
0
0
0
5.2
0 11.5
0
8.5
0
8.5
-11.8
8.5
0
8.5
0
0
0
-8.5
11.5
5.1
0
5.1
0
8.5
0
0
-8.5
8.4
8.4
0
0
0
0
-11.8
8.4
0
0
0
0
-8.5
8.5
-8.4
-8.4
5.0
5.1
4.8
0
11.4
-11.8
11.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
-11.8
-11.8
11.4
-11.8
0
0
0
0
0
0
0
0
0.3
0
0
0
0.1
0
0.1
0
0
0
0.1
0
0
0.1
0
0
0
11.4
-11.8
11.4
11.4 11.4 11.4 0 11.4 11.4 11.411.4 0
-11.8
0 0 0
-11.8
0 0 0
11.4 11.4 0 0
-11.8
0 0 0
11.4 11.4 0
-11.8
0 0 0
11.4 11.4 0 0
-11.8
0 0 0
0
0
0
0
0
0
11.1
-11.5
11.4
-11.8
0
0.4
0
0
0
0
11.4
2.7
2.7
0
2.7
2.7
0
5.0
0
4.8
4.9
4.3
4.3
0
0
2.7
2.7
2.7
5.2
0
0
5.2
0
4,8
-11.8
-11.8
-11.8
-11.8
-11.8
0
0
0
0
0
0
0
0
0
0
4.3
3.7
0
0
0
0
0
0
0
0
0
0
2.4
2.1
1.5
1.9
2.3
2.9
2.6
2.4
2.2
0.4
0.3
2.6
2.5
2.6
2.6
2.4
2.4
4.8
4.7
4.3
1.8
2.8
2.3
1.7
2.2
0
1.1
4.0
0
4.0
0
2.2
2.4
1.9
0
4.9
4.9
4.9
0
0
0
0
4.7
4.9
4.9
3.6
4.8
4.9
4.9
1.0
1.2
0
1.2
5.0
5.0
4.8
4.8
0
4.8
0
4.7
0
4.8
4.7
0
0
4.7
4.7
0
0
4.9
4.7
0
4.9 2.3
0
2.1 4.9
0
5.0
0
4.8 4.8
0
0
0 0
0
4.9
0
4.9
0.1
0
4.8
4.7
0
4.8
4.8
~
4.8
0.1
4.5
4.6
4.7
4.7
4.8
0
4.8
4.9
0
0
2.7
4.8
~
4.5
0
4.8 0.5
0
1.0
4.9
0
4.9
0
4.9 4.9
0 0 0
0 0
0
0
4.9 4.9 4.9
4.9 4.8
0
0
0.2
0
5.6
5.6
5.6
4.9
4.8
5.6
0
4.7
0
0
5.6
8.8
0.6
0.6
0
5.6
0
1.2
1.2
1.2
4.8
0
2.8
2.8
2.5
2.3
1.7
1.7
2.4
2.2
0
2.7
0
1.9
2.2
2.5
2.4
1.8
1.9
2.7
0
1.0
2.4
4.5
0 0 0
-11.8
0 0
11.4 11.4
0
2.8 1.7 1.9 1.8 1.4 2.1 2.3
0
3.7 4.8 4.8 4.8 4.8
0
2.4 2.6 2.6 2.6 2.4 2.4 2.4
2.8 2.5 1.7 2.4 2.7 1.9 2.5
2.3
0
0
-11.8
0
0
-11.8
0
0
-11.8
0
0
-11.8
0
0
-11.8
0
0
-11.8
0
0
-11.8
0
0
11.4
0
0
-11.8
0
0
-11.8
0
0
-11.8
0
0
-11.8
0
0
-11.8
0
0
-11.8
0
0
-11.8
0
0
-11.8
0
0
-11.8
11.4
0
-11.8
0
0
-11.80
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11.4
-11.8
0
0
0
0
0
0
11.4
0
0
0
0
0
0
11.4
0
-11.8
-11.8
0
0
0
0
0
00
0
0
0
0
0
0
0
0
0
0
0
0
4.8
4.4
-11.8
-11.8
4.9
4.8
0
4.4
-11.8
-11.8
4.9
4.9
0
4.8
4.4
-11.8
-11.8
4.9
4.9
4.4
-11.8
-11.8
4.9
4.8
4.4
-11.8
-11.8
4.9
4.8
4.4
0
-11.8
-11.8
4.9
0.2
6.8K
6.8K

Yamaha DSP-AZ2 Specifications

General

Brand	Yamaha
Model	DSP-AZ2
Category	Amplifier
Language	English