Yamaha HTR-5280 - AV Receiver - 5.1 Channel, Service Manual

Page: 49 / 75

A
1
2
3
4
5
6
7
8
9
B C D E F G H I J K L
RX-V800/RX-V800RDS/HTR-5280/DSP-AX8
E-56/J-52
SCHEMATIC DIAGRAM (FUNCTION)
★
All voltage 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.
Point
3
Pin 20 of IC526
Point
4
emitter of Q509
and collector of Q510
POWER ON
(Connect the power cord)
POWER OFF
(Disconnect the power cord)
A Q509 E
B Q510 C
11 AOUTR
16 AINL
9 AINR
15
AGNDL
10
AGNDR
14
AOUTL
7
SDATAO
6
SCLK
2
CS
3 SDATAI
Serial to
Parallel
Register
Control
Register
8 MUTE
1 ZCEN
+
–
+
–
8
16
8
8
8
MUX
MUX
12
VA+
13
VA-
4
VD-
5
DGND
IC516, IC518, IC519: CS3310-KS
Stereo Digital Volume Controller
IC522: LC78213
Analog Function Switch
IC527: MBM29F400BC-70
4Mbit Flash Memory
IC501: NJM2068MD
IC506, IC507, IC511, IC513~IC515: µPC4570G2
IC521, IC523~ICIC525: 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: 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
IC528: AN78N05
Voltage Regulator
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, IC512: 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
+
–
1 2 3
Output Pass Transistor
Rsc
Excessive Electric
Current Protection
Power Supply
Standard
Voltage
Amp.
Heat
Protection
Starter
Circuit
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
E-62/J-58
INPUT SELECTOR
PHONO EQ
ELECTRIC
VOLUME
MAIN µ–COM
FLASH MEMORY
HPF
MUTE
POWER
DETECT/RESET
E-63/J-59
H1
E-66/J-62
E5
E-68/J-64
H6
E-67/J-63
F4
E-65/J-61
G3
E-66/J-62
F4
E-67/J-63
F4
E-65/J-61 A6
E-65/J-61
G2
E-64/J-60 E1
E-68/J-64
B2
E-68/J-64
C5
E-68/J-64
B5
E-68/J-64
F4
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
0.7
0.7
0
0
0
0
0.7
0.7
0
0
0
0
0
0.1
11.9
-11.9
0.1
0
0
0
0
-5.0
4.9
0
0
0
0
4.9
0
4.9
0 -5.0
-5.0
4.9
4.9
4.9
0
4.9
0
4.9 0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
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
-11.8
-11.8 -11.8
-11.8
-11.8
-11.8
-11.8
-11.8
-11.8
-11.8
0
0
0
0
0
0
0
0
-11.8
-11.8
-11.8
-11.8
0
0
0
0
0
0
0
0
0
0
0
0
11.9
0
0
-11.9
0
0
0
0
0
-11.9
0
11.9
0
0
0
0
-11.9
0
0
0
11.9
0
0
0
0
-11.9
0
0
0
0
0
0
0
0
11.9
0
0.1
0.1
11.9
0.1
0.1
0.1
0.1
-11.9
11.9
-11.9
0 0 0
-11.9
0 0 0
11.9
11.9
11.9
11.9 0
11.9
0
-11.9
0 0 0
11.9 11.9
0 0
0.1
0.1
11.9
0.1
0.1
0.1
-11.9
0.1
0.1
0.1
11.9
0.1
0.1
0.1
-11.9
0.1
0.1
0.1
11.9
0.1
0.1
0.1
-11.9
0.1
0.1
0.1
11.9
0.1
0.1
0.1
0.1
0
0
0
0
0
0
-11.9
0.1
0.1
11.9
0.1
0.1
0.1
0.1
0
0
0
0
0
0
-11.9
0
4.9
4.9
0
4.9
0 0
0
4.9
-5.0
0
0
0
0
-5.0
0
4.9
0
0
-0.1
-0.1
-5.0
0
4.9
-5.0
0
0
0
0
-5.0
0
4.9
4.9
0
-5.0
0
4.9
0
4.9
0
4.9
4.9
0
4.9
4.9
0
0
0
5.0
4.9
-11.8
-11.8
4.4
4.4
4.4
4.3
4.9
4.9
4.9
3.7
5.6 5.6
5.6
0
0
0
0
-5.0
-5.0
11.9
-11.8
4.4
4.9
4.9
4.9
-11.8
4.3
-11.8
-11.8
4.9
-11.8
-11.8
-11.8
4.3
4.9
4.4
4.9
-11.8
-11.8
4.9
4.3
3.7
4.3
4.3
4.9
-11.8
-11.9
4.9
4.9
4.9
0
0
0
4.9
4.7
4.9
4.9
4.9
0
0
4.6 4.9
0 0 0 0
4.9
0
4.5
0
4.8 2.2
0
2.3 4.8
0
4.8
0.1
0
4.9
4.8 4.8 0 4.8 0
4.8 0
4.8 0
0 4.8 4.8
0
0
4.9
0
4.9
4.9
4.9
4.9
4.9
0
0
0
0
4.9
0
0.1
0
0
0
11.9 11.9
0 0
0 0 0
-11.9
2.4 2.0 2.8 2.1 1.5 2.4 2.9 2.5 1.9 2.4 2.3 2.3 2.4 2.9 4.9 2.3 2.0 1.8 2.8 2.0 2.0 2.9 3.5 3.5 1.4 0
4.9 ~ 0 0 0 4.9
0.1
0
0.6
0.6
0
12.9
0 0
6.5
0
0
7.1
12.9
6.5
5.6
5.6
5.6
4.8
0
0
4.8
12.2
0
13.0
4.9
4.9
3
4
A
1.3
0
0.1
4.9
4.9
1.3
0
1.3
4.9
0
~
1.0
0
4.9
4.8
4.8
4.8
4.8
4.8
4.8
4.8
4.9
3.5
3.5
2.9
2.0
2.0
2.8
1.8
2.3
0.1
2.9
2.4
2.3
2.3
2.4
1.9
2.0
1.4
4.9
4.9
2.4
2.6
2.5
0
0
2.9
3.0
2.4
2.6
1.5
1.4
2.1
2.1
2.8
2.8
2.0
2.3
0.8
1.7
2.0
1.8
4.9
4.8
0.1
4.7
4.8
0
4.8
2.8
2.3
0
0
3.0
1.8
2.6
1.4
2.1
4.8
0
MAIN L
FRONT L
DIGITAL IN
CENTER
REAR L
B
7
6
5
1
3
4
2
8
3
2
8
1
7
6
5
3
2
4
8
7
1
8
5
6
7
1
2
3
4
4
6
5
2
3 4
1
6
5
8
7
3 8
1
7
4
5
6
2
3
2
6
5
4
8
1
7
5
6
8
7
3
2
4
1
3
2
8
1
6
5
4
7
3
8
1
7
4
5
6
2
5
8
7
1
4
3
2
6
#503
to OPE (4)
W504
AXD
+5D2
1 2
470/25
0.047/5.5
C672
C670
C671
s24
s24
s24
24 C670-672 x 0.1/16 x x x
US13510
+5M1
x: NOT USED
O: USED / APPLICABLE