Yamaha RX-V3200, Service Manual

Page: 63 / 92

A
1
2
3
4
5
6
7
8
9
B C D E F G H I J K L
RX-V3200/DSP-AX3200
E-78/J-72
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.
IC505, 510: LC78213
Analog Function Switch
IC501: NJM2068MD
IC506~508, 511, 513~515: µPC4570G2
IC521, IC523~IC525: 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
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
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
CONTR
OL
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
CONTR
OL
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
INPUT SELECTOR
PHONO EQ
ELECTRIC VOLUME
MAIN µ–COM
FLASH MEMORY
MUTE
POWER
DETECT/
RESET
Point 1 emitter of Q511
and collector of Q512
POWER ON
(Connect the power cord)
POWER OFF
(Disconnect the power cord)
A Q511 E
B Q512 C
Point 2 Pin 20 of IC520
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: 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: NJM78M05FA
Voltage Regulator
V
OUT
V
IN
GND
x: NOT USED
O: USED / APPLICABLE
E-81/J-75
B3
E-81/J-75
C3
E-81/J-75
C1
E-81/J-75
C3
E-79/J-73
G4
E-83/J-77
to PO
WER (1)
D5
E-81/J-75
C3
E-83/J-77
to PO
WER (1)
A2
E-83/J-77
to PO
WER (1)
A3
E-79/J-73
I2
E-79/J-73 To OPE (2)
B2
E-80/J-74
E1
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
MAIN L
FRONT L
DIGITAL IN
CENTER
REAR L
2
1
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
0.1
0.1
0.1
0.1
0.1
0.1
0
0
0
0
11.7
-11.8
0
0
0
0.7
0.7
0.7
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2.5
2.4 5.1
2.5
4.8
4.8
0
5.0
0
2.5
2.5
0
2.5
2.5 0
2.5
2.5
2.5
5.1
0
0
5.1
0
4.8
0.1
0
2.5
0.1
0
2.5 2.4 5.1
0
0
0
4.8
0
2.5
2.5
2.5
2.5
0
5.0
0
4.8
0
5.1
5.1
0
0
2.5
2.5
2.5
0
0
4.8
0
2.5
2.5
2.5
2.5
0
5.0
0
4.8
0
5.1
5.1
0
0
2.5
2.5
2.5
0
0
0
0
5.0
2.5
2.5
2.5
0
2.5
2.5
0
5.0
0
4.8
0
0
2.5
2.5
0
5.1
0
5.0
4.8
0
11.7
-11.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0 0
0.1
0.1
0.1
0.1
0.1
11.7
-11.8
11.7
-11.8
0
0
0
0
0
0
0
0 0
0.1
0.1
0.1
0
0.1
0.1
0
0
0
11.7
-11.8
0
0
0
0
0
0
11.7 11.7 11.7
0
11.7 11.7 11.7
11.7
0
-11.8
0 0 0
-11.8
0 0 0
11.7 11.7
0 0
-11.8
0 0 0
11.7 11.7
0
-11.8
0 0 0
11.7 11.7 0 0
-11.8
0 0 0
0
0
0
0
0
0
11.4
-11.5
0
11.7
-11.5
11.7
-11.5
0
0
0
0
0
0
0
0
0
0
0
2.0
1.4
3.1
2.7
2.2
1.9
2.5
2.1
2.0
0
2.5
2.3
2.8
2.4
2.3
2.4
4.8
4.8
0.1
3.7
2.5
2.8
2.2
1.6
2.2
4.8
4.8
4.8
0
4.8
3.1
3.1
2.5
0
4.8
4.8
4.8
4.8
0
4.8
4.8
0
4.8
4.8
0
3.6
0.1
5.0
5.0
1.0
0.4
0
1.3
5.0
4.8
0.5
4.8
0
4.9
0 0 0
4.8
0
4.8
0 0 0
4.8
4.8 0 0
4.8 2.4
0
2.1 4.8
0
4.4
0
4.8 4.9
0 0
4.9
0.5
0
5.0
4.8
0
0
0
4.8
4.8
4.8
4.8
4.8
4.8
4.8
4.8
4.8
0
4.8
4.8
4.8
0
0
4.8
4.8
4.8
1.8
4.8
4.8
4.8
0 0
4.8
4.8
4.9
0 0
4.8 5.0
4.8
0
0.2
0
10.3
10.2
4.8
5.0
4.8
5.7
10.3
0.6
0.6
0
5.7
5.7
0
9.6
6.3
0
0
6.3
0
0
-11.8
4.4
4.8
-11.8
4.8
0
0
0
5.0
-11.8
-11.8
0
0
0
0
6.9
0
0.4 0.2
0.4
4.8
0
2.6
2.6
2.3
2.2
1.6
1.6
2.4
2.2
4.8
2.7
3.1
1.9
2.5
2.5
2.5
0
0
0
0
0.9
2.4
3.7
0 0 0
-11.9
0 0
11.8 11.8
2.0 1.4 3.1 2.7 2.2 2.2 2.5 2.1
0 0 0 0 0
4.8 0
2.5 2.4 2.8 2.4 2.4 2.4 2.4
2.6 2.3 1.6 2.4 2.7 1.9 2.5
0
4.8
4.4
0
5.1
0
0
0
-11.8
-11.8
0.2
5.0
-11.8
5.7
-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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11.8
-11.9
0
0
0
0
0
11.8
-11.9
0
0
0
11.8
0
0
0
0
11.8
-11.9
0
0
0
-11.9
0
0
0
0
0
0
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
5.0
4.8
4.4
-11.8
-11.8
5.0
4.8
4.4
-11.8
-11.8
5.0
4.8
4.4
-11.8
-11.8
5.0
4.8
4.4
-11.8
-11.8
11.8
0
11.5
11.8
0
4.8
4.8
4.8
11.8
11.2
4.4
-11.8
-11.8
4.8