Yamaha HTR-6050, Service Manual

Page: 65 / 87

CB512
CB501
CB502
CB504
CB516
IC505
IC501
IC501
IC501
IC501
IC505 IC505
IC505
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-V561/HTR-6050
65
★
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.
DSP 5/6
0 3.3 3.3
3.3
3.3
3.3
4.9
0
0
0
4.9
4.9
0
0
0
0
3.3
3.3
3.3
3.3
3.3
1
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
A
B
C
POINT 1 Reset
A Pin 4 of Q501
AC cable ON AC cable OFF
Pin 13 of IC101 B
Pin 12 of IC201 C
A Pin 4 of Q501
Pin 13 of IC101 B
Pin 12 of IC201 C
AC cable ON
ANALOG L
FL
SW
SL
C
4B 13
4A 12
4Y 11
3B 10
3A 9
3Y 8
1B 2
1Y 3
2A 4
2B 5
2Y 6
GND 7
IC501 : SN74AHCT08PWR
Quadruple 2-input positive-AND gates
Vcc 14 1A 1
IC505 : SN74LV08APWR
Quadruple 2-input positive-AND gate
4B 13
4A 12
4Y 11
3B 10
3A 9
3Y 8
1B 2
1Y 3
2A 4
2B 5
2Y 6
GND 7
Vcc 14 1A 1
to DSP 6/6
to DSP 6/6
to DSP 1/6
to DSP 3/6, 4/6
to DSP 1/6 - 4/6
to DSP 1/6, 2/6, 4/6
to DSP 2/6
to DSP 2/6
to DSP 1/6
to DSP 2/6
to DSP 4/6
to DSP 1/6 - 4/6
DSP 1/6
to DSP 3/6
to DSP 6/6
Not applied to these models.
to MAIN (1)_CB161
Page 70 D10
to MAIN (1)_CB101
Page 69 A5
to MAIN (1)_CB164
Page 70 F3
to VIDEO (1)_CB305
Page 71 C2
to OPERATION (2)_CB232
Page 68 A7