Yamaha RX-V1200 Service Manual page 72

A B
RX-V1200/RX-V1200RDS/HTR-5490/DSP-AX1200/RX-V2200/DSP-AX2200
SCHEMATIC DIAGRAM (RX-V2200/DSP-AX2200 FUNCTION)
E-94/J-88
1
I5
INPUT SELECTOR
0 0
0
0
0
0 0 0
0 0
0 0
2 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
3
0 0
0 0
0 0
0
0
0
0 0 0
0 0
0 0 0 0
0
0
0 0 0 0
MAIN L
0 11.9
0
0
4 0
0
0
-12.0
11.5
0
0
0
0
0
0
5
-11.6
PHONO EQ
11.8
0
0 0
0
0
0
6 -12.0
0
11.8
0
0
0
0
0
-12.0
7
R825
E-97/J-91
B3
8
Q501-506, 513-519, 533, 534,
537-544, 546, 547
K KOREA
9
E-93/J-87
C D E
E-95/J-89
E1
DIGITAL IN
ELECTRIC VOLUME
2.4
2.5
11.8
2.5 0.2
0 0
0
0 2.5
0 0 2.5
0
0 0
0 -11.9 0
2.5
2.5
-11.9
0 0
0
5.0
0 0 -11.9
0
0 4.8
0
0 -11.9
0 0
0
0
0
2.5
0
0 0.2
0
-12.0 2.5
FRONT L
2.5
2.5
0 0 0
2.5
2.5
0 0
0
CENTER
5.0
0
11.8
0
4.8
0 0 0
0 0
11.8
0
0.1
0
0
0.1 5.0
0
0
0 0.1
0 0
0.1
-12.0
0
REAR L 0
-12.0
11.8
0 0 0
2.5
0
0.1
2.5
0
0
2.5
2.5
0
0
0 5.0
0.1
0 0
0 0
4.8
-12.0
0
0
0.1 2.5
2.5
0
0
2.5
2.5
0
5.0
0
4.8
0
FLASH MEMORY
2.0 2.6
1.4 4.8
3.1 0
2.6 2.9 1.8
2.3 2.9 2.9
2.2 2.3 1.6
2.2 1.6 1.6
2.2 1.6 2.2
4.8
1.6
2.4 R831 4.7
4.8
2.2 1K 4.8
4.8 4.8 0
2.8 4.8
3.2 3.2
4.8
2.0 2.2
2.2 2.6
0
2.6 1.9
2.0 2.6 4.8
2.5 1.8 4.8
2.4
1.9 4.8
2.2 1.8 4.8
2.5 0 4.8
2.4 0.9 4.8
2.5 2.4 4.8
4.8
4.8
4.8
0
0.1
5.0
5.0
5.0
1.1
0.4 0.4
0
1.3
0.2 0.4 5.0
1.3
4.8
0.1
0 0.2 0
0
POWER
R824
DETECT/
RESET
A
4.8
6.7
0 6.7
0 0 0
E-97/J-91
D2
E-97/J-91
C3
# 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.
F G
E-94/J-88
A7
5.0
0 0
0
0
0 0
0 0
11.9 0
0
2.5 0
0 0
2.5
0
2.5
5.1
0
0
5.0
0
4.8
0
0 0
0
0 0 -12.0 0
0 0
2.4 5.0 0 0
0
0
0
2.5
2.5
2.5
5.1
0
11.9
0
5.0
0
0
0
0
4.8
0
0 0
0
0
-12.0
0
0
11.9
0
0
0
2.5
2.5
0
2.5
0
5.1 0 -12.0
0
0
5.0
0
4.8
0
0
2.5
11.9
2.5
0
2.5
0
5.0
-12.0
0
0
5.0
0
4.8
0.9
4.8
4.8
4.8
MAIN µ–COM
4.8
1.8
4.8
0
4.8
0
0
0
4.8
4.8
0
5.0
0
4.8
4.8
4.8
4.8
4.8
0
2 4.8
4.8
0 0
4.9
4.8
0
0.5
14.0
5.7 5.0
14.0
5.7
11.4
13.4
5.7 4.8
0.7
4.8
7.0 B
0
0 0.7
0 0
0
1
H I
Point 1 emitter of Q511
and collector of Q512
MUTE A Q511 E
B Q512 C
0
0 0
-11.9 -11.9
0 0 -11.9
0
0
0 0
-11.9 -11.9 POWER ON
0 0 -11.9 (Connect the power cord)
0
0 0
-11.9
-11.9
0 0
0 0
-11.9
-11.9
0 0
0 0
-11.9
-11.9
0 0
0 0
-11.9
-11.9
0 0
0 0 R573, 574, 623, 625 470
RD35547
R577, 578, 624, 626 10K
-11.9 -11.9
RD35710
0 0
Q501, 502, 546, 547
5.1
11.9
5.7
5.0 x: NOT USED
0
O: USED / APPLICABLE
0
4.8
IC503, 509: LC78211
Analog Function Switch
5.0
1
4.5 L1
-11.9
2
L2
-11.9
4.8
L3 3
L4 4
5.0
4.5
5
LCOM1
-11.9
L5 6
4.8 -11.9
7
L6
8
LCOM2
5.0
9
4.5 L7
-11.9
L8 10
4.8 -11.9
11
LCOM3
19
V DD
16
5.0 V
SS
4.5
V 12
-11.9 EE
18
RES
4.8 -11.9
17
S
4.5 5.0
-11.9 IC512: MBM29F400BC-70
-11.9 4Mbit Flash Memory
4.8
RY/BY
5.0
RY/BY
Buffer
4.4
-11.9
VCC
3.8 -11.9 VSS
WE
State
Control
BYTE
RESET
Command
Register
Program Voltage
Generator
CE
OE
Timer for
Low Vcc Detector
Program/Erase
A0 to A17
A-1
E-97/J-91
G8
IC522: NJM78M05FA
Voltage Regulator
J K
Point 2 Pin 20 of IC520
POWER OFF
(Disconnect the power cord)
IC501: NJM2068MD
IC506~508, 511, 513~515: µPC4570G2
IC521, IC523~IC525: µPC4570G2
Dual OP-Amp
OUT 1 1 8 +V CC
–IN 2 7 OUT
1 2
+ – + –
+IN 3 6 –IN
1 2
–V 4 5 +IN
CC 2
IC502, 504: LC78212
Analog Function Switch
1 30
L1 R1
L2 2 29 R2
3 28
L3 R3
470 470
RD35547 RD35547
4 27
10K 10K LCOM1 RCOM1
RD35710 RD35710
5 26
L4 R4
L5 6 25
R5
7 24
L6 R6
8 23
LCOM2 RCOM2
9 22
L7 R7
10 21
L8 R8
11 20
LCOM3 RCOM3
19
V LEVEL SHIFTER
DD
V 16
SS 14
D1
LATCH ZZ
V 12
EE
15 CL
18 ZZ
RES
SHIFT REGISTER
17 13
S ZZ CE
IC505, 510: LC78213
Analog Function Switch
1 30
L1 R1
30
R1
L2 2 29 R2
29
R2
3 28
LCOM1 RCOM1
28
R3
4 27
L3 R3
27 R4
5 26
26 L4 R4
RCOM1
25 R5
LCOM2 6 25
RCOM2
24
R6 7 24
L5 R5
23
RCOM2
L6 8 23 R6
22
R7
9 22
LCOM3 RCOM3
21
R8
20 L7 10 21 R7
RCOM3
LEVEL SHIFTER LCOM4 11 20 RCOM4
19
14 V DD LEVEL SHIFTER
ZZ D1
LATCH
16
V SS
14
15 CL ZZ D1
ZZ 12 LATCH
V EE
SHIFT REGISTER
15
13 18 ZZ CL
ZZ CE RES
SHIFT REGISTER
S 17 13 CE
ZZ
IC516~519: YAC520-EE2
Stereo Digital Volume Controller
DQ0 to DQ15
VREF
+
–
Erase Voltage Input/Output
LIN2 12
Generator Buffers
LIN1 11 9 LOUT
Vref
Generator
256 &
VREF
8
Reset
pulse
Generator
DVSS 4 Reset ICN
L 17
DVDD 3 16 TE
Chip Enable STB
Data Latch 18 ZCEN
Output Enable
Zero Cross Control
Logic 2 SDATAO
AVSS 13 Detection Register
20 SDATAI
AVDD 6 R S/P
16
Register CSN
19
1 SCLK
256
Y-Decoder Y-Gating
STB
RIN1 ROUT
15 7
RIN2 14
Address
Latch
X-Decoder Cell Matrix
VREF
V
IN
V OUT
GND
L