Yamaha HTR-6150 Service Manual page 52

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