Yamaha RX-V1200 RDS, Service Manual

Page: 72 / 106

A
1
2
3
4
5
6
7
8
9
B C D E F G H I J K L
E-93/J-87
RX-V1200/RX-V1200RDS/HTR-5490/DSP-AX1200/RX-V2200/DSP-AX2200
SCHEMATIC DIAGRAM (RX-V2200/DSP-AX2200 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
IC512: MBM29F400BC-70
4Mbit Flash Memory
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
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
OL
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
RY/BY
Buffer
State
Control
Command
Register
Erase Voltage
Generator
Input/Output
Buffers
Chip Enable
Output Enable
Logic
Address
Latch
X-Decoder
Y-Decoder Y-Gating
Cell Matrix
Timer for
Program/Erase
Program Voltage
Generator
Low Vcc Detector
VCC
RY/BY
VSS
WE
CE
OE
STB
STB
DQ0 to DQ15
BYTE
A-1
A0 to A17
RESET
Data Latch
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-97/J-91
B3
E-97/J-91
C3
E-97/J-91
D2 E-97/J-91
G8
E-94/J-88
G1
E-99/J-93
E8
E-97/J-91
D4
E-98/J-92
F2
E-99/J-93
E4
E-94/J-88
I5
E-94/J-88
A7
E-95/J-89
E1
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
0
0
0
0
0
0
0
0
0
11.9
-12.0
0
0
0
-11.9
-11.9
-11.9
-11.9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2.5
2.4 5.0
2.5
0
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
5.0
0
4.8
0.2
0
2.5
0.2
0
2.5 2.4 5.0
0
0
0
4.8
0
2.5
2.5
2.5
2.5
0
5.0
0
4.8
0
5.0
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
5.0
5.0
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
11.8
-12.0
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
11.8
-12.0
11.8
-12.0
0
0
0
0
0
0
0
0 0
0
0.1
0
0
0.1
0
0
0.1
11.8
-12.0
0
0
0
0
0
0
11.9 11.9 11.9 11.9
11.9 11.9 11.9
11.9
0
-12.0
0 0 0
-12.0
0 0 0
11.9 11.9
0 0
-12.0
0 0 0
11.9 11.9
0
-12.0
0 0 0
11.9 11.9 0 0
-12.0
0 0 0 0
0
0
0
0
0
11.5
-11.6
0
11.8
-12.0
11.8
-12.0
0
0
0
0
0
0
0
0
0
0
0
2.0
1.4
3.1
2.6
2.3
2.2
2.2
2.2
2.0
0
2.5
2.4
2.2
2.5
2.4
2.5
4.8
4.8
4.8
2.6
1.8
2.9
1.6
1.6
2.2
4.8
4.7
4.8
0
4.8
3.2
2.2
2.6
1.9
4.8
4.8
4.8
4.8
4.8
4.8
4.8
4.8
4.8
4.8
0
0.1
5.0
5.0
5.0
1.1
0.4
0
1.3
5.0
4.8
0.1
4.8
0
0.1 4.8
0
0.1 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 0.1
0
4.8 4.9
0.5
0
4.8
4.9
0
0
0
4.8
4.8
4.8
4.8
4.8
4.8
4.8
0
5.0
0
4.8
4.8
0
0
0
4.8
0
4.8
1.8
4.8
4.8
0 0 0
4.8
4.8
0.9
0
4.8 0
4.8 5.0
0
0
0.2
0
14.0
11.4
4.8
4.8
5.0
5.7
14.0
0.7
0.7
0
5.7
5.7
0
13.4
6.7
0
0
6.7
0
0
4.8
0
0
0
7.0
0
0.4 0.2
0.4
1.3
4.8
0
2.9
2.9
2.3
1.6
1.6
1.6
2.4
2.2
4.8
2.8
3.2
2.0
2.2
2.6
2.6
1.8
1.9
1.8
0
0.9
2.4
3.6
0 0
3.6
-12.0
0 0 11.9 11.9
2.0 1.4 3.1 2.6 2.3 2.2 2.2 2.2
0 0 0 0 0 4.8 0
2.5 2.4 2.2 2.5 2.4 2.4 2.4
2.7 2.3 1.6 2.4 2.8 2.0 2.6
2.0
4.8
4.5
0
5.1
0
0
0
-11.9
-11.9
4.8
5.0
11.9
5.7
-11.9
0
0
-11.9
0
0
-11.9
0
0
-11.9
0
0
-11.9
0
0
-11.9
0
0
-11.9
0
0
-11.9
0
0
-11.9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11.9
-12.0
0
0
0
0
0
11.9
-12.0
0
0
0
11.9
0
0
0
0
11.9
-12.0
0
0
0
-12.0 0
0
0
0
0
0
0
0
-11.9
0
0
-11.9
0
0
-11.9
0
0
-11.9
0
0
-11.9
0
0
-11.9
0
0
-11.9
5.0
4.8
4.5
-11.9
-11.9
5.0
4.8
4.5
-11.9
-11.9
5.0
4.8
4.5
-11.9
-11.9
5.0
4.8
4.5
-11.9
-11.9
5.0
3.8
4.4
-11.9
-11.9
5.0
R824
R825
Q501-506, 513-519, 533, 534,
537-544, 546, 547
K KOREA
D351 1SS355 D352 1SS355
R831
1K
R573, 574, 623, 625 470
RD35547
470
RD35547
470
RD35547
R577, 578, 624, 626
10K
RD35710
10K
RD35710
10K
RD35710
Q501, 502, 546, 547