Schematic Diagram - Yamaha RX-V1200 Service Manual

A B
SCHEMATIC DIAGRAM (RX-V1200/RX-V1200RDS/HTR-5490/DSP-AX1200 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
3
MAIN L
4
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-96/J-90
B3
8
IC512 MBM29F400BC-70PFTN
MX29F400BTC-70
Q501-506, 513-519, 533, 534,
537-544, 546, 547
K KOREA
9
C D E
E-95/J-89
E1
DIGITAL IN
ELECTRIC VOLUME
RB501V-40
2.4
D519
2.5
11.8
2.5 0.2
0 0 RB501V-40
0
0 2.5
0
0 0 2.5
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 -11.9 0
0 0
0
0
0
2.5
0
0 0 0.2
RB501V-40
-12.0
2.5
RB501V-40
FRONT L
2.5
2.5
0 0 0
2.5
2.5
0 0
0
CENTER 5.0
0
11.8
4.8
0
11.8
0 0 0 0 0
0
0
0.1
0
0 5.0
0
0 0.1
0
0 0 0
0
-12.0
0
-12.0 REAR L
11.8
0 0 0
2.5
0
0.1
0
2.5
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
0
2.5
0
2.5
2.5
0
5.0
0
4.8
0
FLASH MEMORY
&1
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
1.6 4.8
2.4 R831 4.7
4.8
2.2 4.8
1K
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 4.8
2.6
2.5 1.8 4.8
2.4 1.9 4.8
R831
2.2 1.8 4.8
2.5 0 4.8
2.4 0.9 4.8
2.4 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
1.3 0.2 0.4 5.0
4.8
0.1
0 0
0.2
0
POWER
R824
DETECT/
RESET
A
A1037AK (Q/R/S)
4.8 6.7
0 6.7
0 0
0
E-96/J-90
D2
E-96/J-90
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
10/25
0
0 0 0 11.9
0
0
2.5
0
0 0
2.5
2.5
5.1
0
0
5.0
0
4.8 0
0 0
0
0 0
-12.0 0
0
0 0
2.4 5.0 0
0
0 10/25
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 10/50
-12.0
0
0 11.9
0
0
0
2.5
2.5
0
2.5
0
-12.0
5.1 0
0
0
5.0
0
4.8
0
0 11.9
2.5
2.5
0
0
2.5
5.1
-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
14.0 5.7 5.0
5.7
13.4 11.4
5.7 4.8
0.7
7.0 4.8 B
0
0
0.7
0
0
0
1
H I
RX-V1200/RX-V1200RDS/HTR-5490/DSP-AX1200/RX-V2200/DSP-AX2200
Point 1 emitter of Q511
and collector of Q512
MUTE
A Q511 E
B Q512 C
0
0 0
-11.9 -11.9
-11.9
0 0
0
0
0 0
-11.9 -11.9 POWER ON
-11.9 (Connect the power cord)
0 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
D506
MA8062-H MA8062-H
0 0 VU99350 VU99350
-11.9 C679
X X
-11.9
0 0
R672 6.2K X
RD35662
0 0 R573, 574, 623, 625 470
RD35547
R577, 578, 624, 626 10K
-11.9 -11.9
RD35710
0 0
Q501, 502, 546, 547
A1037AK [Q/R/S]
VV55650
Q544 X X
C680
R819
X X
0.1/16
5.1
11.9
C576 100/25 100/25
5.7 UR84810 UR84810
C692 X X
5.0
0 4.8
4.8
x: NOT USED
O: USED / APPLICABLE
IC503, 509: LC78211
Analog Function Switch
A1037AK [Q/R/S]
Q527
5.0
1
4.5 L1
-11.9
L2 2
4.8
-11.9
Q520
A1037AK [Q/R/S] 3
L3
A1037AK [Q/R/S]
Q528
5.0 4
L4
4.5
LCOM1 5
-11.9
L5 6
4.8 -11.9
Q521
A1037AK [Q/R/S] 7
L6
A1037AK [Q/R/S]
8
Q529 LCOM2
5.0
9
L7
4.5
-11.9
10
L8
4.8 -11.9
Q522 11
LCOM3
A1037AK [Q/R/S]
19
V
A1037AK [Q/R/S] DD
Q530
5.0 V 16
SS
4.5
12
V EE
-11.9
18
RES
4.8
-11.9
17
Q523 S
A1037AK [Q/R/S]
A1037AK [Q/R/S]
Q531
5.0
4.5
-11.9 IC512: MBM29F400BC-70
4Mbit Flash Memory
4.8 -11.9
RY/BY
Q524
A1037AK [Q/R/S]
A1037AK [Q/R/S]
Q532 RY/BY
5.0
Buffer
4.4
-11.9
VCC
3.8 -11.9 VSS
Q525
A1037AK [Q/R/S]
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-96/J-90
G8
IC522: NJM78M05FA
Voltage Regulator
J K L
Point 2 Pin 20 of IC520
POWER OFF
(Disconnect the power cord)
IC501: NJM2068MD
IC506, 507, 511, 513~515: µPC4570G2
IC521, IC523~IC525: µPC4570G2
Dual OP-Amp
OUT 1 8 +V
1 CC
–IN 2 7 OUT
1 2
+ – + –
+IN 3 6 –IN
1 2
–V 4 5 +IN
CC 2
IC502: LC78212
MA8056-L MA8062-H MA8062-H
VU99290 VU99350 VU99350
Analog Function Switch
0.1/16 0.1/16 0.1/16
US13510 US13510 US13510
L1 1 30 R1
6.2K X 6.2K
RD35662 RD35662
2 29
L2 R2
3 28
L3 R3
470
RD35547
10K LCOM1 4 27 RCOM1
RD35710
L4 5 26 R4
6 25
L5 R5
L6 7 24 R6
LCOM2 8 23 RCOM2
A1037AK [Q/R/S]
L7 9 22 R7
VV55650
10 21
L8 R8
C3326 [A/B] C3326 [A/B] C3326 [A/B]
VD30370 VD30370 VD30370 11 20
LCOM3 RCOM3
4.7K 4.7K 4.7K
V 19
RD35647 RD35647 RD35647 DD LEVEL SHIFTER
16
V SS
14 D1
LATCH ZZ
12
220/25 100/25 100/25 V EE
UR84822 UR84810 UR84810 15
18 ZZ CL
RES
SHIFT REGISTER
100/25 100/25 100/25
17
UR84810 UR84810 UR84810 S 13 CE
ZZ
IC510: LC78213
Analog Function Switch
L1 1 30 R1
30
R1
2 29
L2 R2
29 R2
3 28
LCOM1 RCOM1
28
R3
4 27
L3 R3
27
R4
L4 5 26 R4
26 RCOM1
25
R5 6 25
LCOM2 RCOM2
24
R6
L5 7 24 R5
23
RCOM2
8 23
22 L6 R6
R7
9 22
LCOM3 RCOM3
21
R8
20 L7 10 21
RCOM3 R7
LEVEL SHIFTER 11 20
LCOM4 RCOM4
19
14 V DD LEVEL SHIFTER
D1
LATCH ZZ
16
V
SS 14
15 CL ZZ D1
ZZ LATCH
V 12
SHIFT REGISTER EE
13 15 CL
ZZ CE 18 ZZ
RES
SHIFT REGISTER
17 13
S ZZ CE
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
&
8 VREF
Reset
pulse
Generator
DVSS 4 Reset
L 17 ICN
DVDD 3 TE
16
Chip Enable STB
Data Latch 18 ZCEN
Output Enable
Zero Cross Control
Logic SDATAO
AVSS Detection Register 2
13
20 SDATAI
AVDD R S/P
6
16 Register
19 CSN
SCLK
1
256
Y-Decoder Y-Gating
STB
RIN1 15 7 ROUT
RIN2 14
Address
Latch
X-Decoder
Cell Matrix
VREF
V IN
V OUT
GND
E-92/J-86