Yamaha DSP-AX761, Service Manual

Page: 97 / 137

CB295
CB296
W2501
CB251
CB252
CB258
CB254
CB256
CB256 CB257
CB263 CB264
CB261
W2601B
W2601A
CB262
CB255
CB253
IC252
IC253
IC251
CB297
CB294
CB293
CB292
CB291
IC292
IC291
IC295
IC293
IC294
IC296
A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
RX-V661/HTR-6060/DSP-AX761
97
★
All voltages are measured with a 10M
Ω
/V DC electronic voltmeter.
★
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.
FUNCTION 2/2
0
0
0
0
0
0
-4.9
0
5.0
2.5 2.5
0
0
0 0
0 4.8 0 0
0
2.5 2.5 4.9
0
0
0
0
0
4.9
0
0
0
0
0
0
0
-4.9
0
5.0
0
0
0
0
0
0.6
0.6
0
-4.9
0
-4.9
0
-4.9
0.6
0.6
0.6
0
4.9
5.0
0.6 0.6
0.1 0.1
0.6 0.6
4.9
0
0
0
0.1
5.5
12.6
0.2
AC10.3
5.9
0.8
0
0
0.1 4.9
0
5.0
0
5.0
0
0
0
0
0
0
0
0
0
-4.9
0
0.6
0.6
0
0
5.0
0
0
0.1 10.1
10.1
0
4.0 4.0
10.1
~
~
~
(5.0)
~
(7.5)
5.1
(3.7)
(0)
(5.1)
(7.5)
(7.5)
(0.7)
(0)
(0)
(0)
(0)
(0)
(0)
(0)
(0)
0 (0)
1.0
5.1
5.0
5.0
0.2
0
0
0
0.2
5.2
5.0
(0)
(0)
(4.0)
(4.0)
0
(0.8)
(5.1)
AC8.0
HTR-6060 RX-V661 RX-V661 DSP-AX761 DSP-AX761
s50 C2515 WE10290
0.01/100
WE10290
0.01/100
WE10290
0.01/100
WE10290
0.01/100
WE10290
0.01/100
WE10290
0.01/100
WE10290
0.01/100
WE10290
0.01/100
WE10290
0.01/100
UA65410
0.01/50
WE10290
0.01/100
s50
IC295 : NJM2581M
Video amplifier
13 VOUT1
11 VOUT2
9 VOUT3
8 GND
10 V+3
14
V+1
12 V+2
2 NEE1
4 VEE2
6
VEE3
7 PowerSave
5 VIN3
1
VIN1
3 VIN2
75
Driver
6dB
AMP
BIAS
75
Driver
6dB
AMP
BIAS
75
Driver
6dB
AMP
BIAS
REF
IC252 : TC4013BP
Dual D-type flip flop
4 RESET1
1 Q1 6 SET1
5 DATA1
CL
3 CLOCK1
CL
CL
CL
CL
CL
2 Q1
10 RESET2
13 Q2 8 SET2
9 DATA2
7
VSS
14 VDD
11 CLOCK2
12 Q2
CL
CL
CL
CL CL
CL
IC291-294 : TC74HC4052AF
Analog multiplexer/demultiplexer
16
VCC
6
INH
10
A
9 B
8 GND
7 VEE
12 0X
14
1X
15 2X
11 3X
1 0Y
5 1Y
2
2Y
4 3Y
LEVEL
CONVERTER
BINARY TO 1-OF-4
DECODER WITH INHIBIT
SW
SW
SW
SW
SW
SW
SW
SW
13 X-COM
3 Y-COM
INHIBIT
0
0
0
0
1
B
0
0
1
1
X A
0
1
0
1
X
0x, 0y
1x, 1y
2x, 2y
3x, 3y
NONE
IC296 : TC74VHCU04FT
Hex inverters
VCC
6A
5A
4A
6Y
5Y
4Y GND
3Y
3A
2A
1A
2Y
1Y
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1
2
3
4 11
12
13
14
5
6
7 8
9
10
Vss SET2
CK2
VDD
Q2
INPUTS OUTPUTS
* : Don't care
: Level change
˙ : No change
RESET
L
H
H
L
L
L
Q2
DATA2
RESET2
SET1
RESET1
CK1
Q1
Q1
DATA1
SET
H
L
H
L
L
L
DATA
*
*
*
L
H
*
CK
*
*
*
Qn + 1
H
L
H
L
H
Qn˙
Qn + 1
L
H
H
H
L
Qn˙
FUNCTION (2)
FUNCTION (3)
FUNCTION (4)
FUNCTION (5)
INPUT
SELECTOR
COMPONENT
DETECTOR
INPUT
SELECTOR
INPUT
SELECTOR
OUTPUT
AMP
J model
J model
J model
R, L models
to DSP_CB85
P
age 95
F2
to VIDEO_CB302 P
age 100
B2
to MAIN (2)_W108
Page 99 J8
To POWER TRANSFORMER
To POWER TRANSFORMER
T
o
PO
WER
TRANSFORMER
To POWER CABLE
To POWER TRANSFORMER
D4 VIDEO
COMPONENT
VIDEO