Yamaha RX-V3300, Service Manual

Page: 76 / 128

to VIDEO (5)
to VIDEO (7) to VIDEO (7)
RX-V3300/DSP-AZ2
A
1
2
3
4
5
6
7
8
9
B C D E F G H I J K L
76
SCHEMATIC DIAGRAM (FUNCTION)
★
All voltages are measured with a 10M
Ω
/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, :
µ
PC4570G2
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
CONTR
OL
SHIFT REGISTER
ZZ
ZZ
ZZ
L7
L8
RES
S
VDD
VSS
VEE
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
CONTR
OL
SHIFT REGISTER
ZZ
ZZ
ZZ
L1
L2
L3
L4
LCOM1
L5
L6
L7
L8
RES
S
VDD
VSS
VEE
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
CONTR
O
L
SHIFT REGISTER
ZZ
ZZ
ZZ
L1
L2
LCOM1
L3
L4
LCOM2
L5
LCOM3
L7
RES
S
VDD
VSS
VEE
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
P
age 80 to PO
WER (1)
A5
P
age 80 to PO
WER (1)
A5
P
age 80
to PO
WER (1)
A4
P
age 80 to PO
WER (2)
H5
P
age 78
to VIDEO
(5) C3
P
age 77
to OPERA
TION (1)
F1
P
age 80 to PO
WER (3)
H4
Page 78 C2
Page 78 C3 Page 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
1 3
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
0 0
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 11.4
11.4
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
-11.8 0
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
0 0
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