Yamaha HTR-6150, Service Manual

Page: 52 / 114

52
RX-V563/HTR-6150/DSP-AX563
RX-V563/HTR-6150/
DSP-AX563
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
OE
1D
2D
3D
4D
5D
6D
7D
8D
GND
V
CC
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
CLK
OE
1
11
2
19
CLK
1D
C1
1D
1Q
9
12
8D
C8
8D
8Q
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
/OE
1D
2D
3D
4D
5D
6D
7D
8D
GND
CLK
8Q
7Q
6Q
5Q
4Q
3Q
2Q
1Q
VCC
/EXPE
D00
D01
D02
D03
D04
D05
D06
D07
DGND
NPGA_EXSTB
ADC_SELECT_C
ADC_SELECT_B
ADC_SELECT_A
SBRY
HPRY
CSRY
MRYB
MRYA
VCC
Extended port enable
Data bus 00
Data bus 01
Data bus 02
Data bus 03
Data bus 04
Data bus 05
Data bus 06
Data bus 07
Ground of external
Bank select 0
Selector C
Selector B
Selector A
Speaker relay SB
Headphone relay
Speaker relay C/SW
Speaker relay F/B
Speaker relay F/A
Power 3.3V
Pin No. Port Name Function Name Detail of Function
IC59
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
/OE
1D
2D
3D
4D
5D
6D
7D
8D
GND
CLK
8Q
7Q
6Q
5Q
4Q
3Q
2Q
1Q
VCC
/EXPE
D00
D01
D02
D03
D04
D05
D06
D07
DGND
NPGA_EXSTB
5VIDEO_VIA
5VIDEO_VIB
5VIDEO_VIC
/5VIDEO_MTMON
/5VIDEO_CMON
5VIDEO_CBYPASS
5VIDEO_CMP1
5VIDEO_CMP0
VCC
Extended port enable
Data bus 00
Data bus 01
Data bus 02
Data bus 03
Data bus 04
Data bus 05
Data bus 06
Data bus 07
Ground of external
Bank select 0
Video input selector A
Video input selector B
Video input selector C
Monitor output inhibit
Component output inhibit
Component bypass
Component select 1
Component select 2
Power 5V
Pin No. Port Name Function Name Detail of Function
IC56: SN74AHCT574AWR (DSP P.C.B.)
Octal edge-triggered D-type flip-flops with 3-state outputs