Yamaha HTR-6150 Service Manual page 54

RX-V563/HTR-6150/DSP-AX563
IC82, IC83: SN74LV4051APWR (DSP P.C.B.)
8-channel analog multiplexers/demultiplexers
11
A
10
B
9
C
6
INH
IC82
Pin No. Port Name
1 Y4
2 Y6
3 COM
4 Y7
5 Y5
6 INH
7 GND
8 GND
9 C
10 B
11 A
12 Y3
13 Y0
14 Y1
15 Y2
16 Vcc
DOCK detection for AD port (IC82 AD converter pin no. 4)
Pull-up resistance 10 k-ohms
DOCK connector
Ohm
DKID (Pin no. 21)
IC83
Port Name
1 Y4
2 Y6
3 COM
4 Y7
5 Y5
6 INH
7 GND
8 GND
9 C
10 B
11 A
12 Y3
13 Y0
14 Y1
15 Y2
16 Vcc
54
Function Name
/TUNER_TUNED Tuner tuned detection
XM_ANT XM antenna
ADC_COM1 SPI bus COM (IC81)
DOCK_ID DOCK detection (Normal DOCK or Bluetooth adapter)
IP_DET iPod detection
DGND Ground of external
DGND Ground of external
DGND Ground of external
SELECT C ADC selecter C
SELECT B ADC selecter B
SELECT A ADC selecter A
THM Temperature detection
DEST1 Destination detection
PRV1 Power supply protection 1
PRD AMP DC protecton
+3.3S Power supply +3.3V
DOCK
Reserved Reserved
(Bluetooth)
0.56k 2.7k 5.6k
5-25 50-60 85-100
Function Name
/TUNER_STEREO Tuner stereo detection
XM_LINK XM link
ADC_COM2 SPI bus COM (IC81)
/HP_DET Headphone detect
IP_AP iPod
DGND Ground of external
DGND Ground of external
DGND Ground of external
SELECT C ADC selector C
SELECT B ADC selector B
SELECT A ADC selector A
PRI AMP curent protection
DEST2 –
PRV2 Power supply protection 2
PLDET Output voltage of power amplifier detection
+3.3S Power supply +3.3V
3
COM
13
Y0
14
Y1
15
Y2
12
Y3 1
Y4 16 V
CC
Y6 2 15
Y2
1
COM 3 14
Y1
Y4
Y7 4 13
Y0
5
5 12
Y5
Y3
Y5
INH 6 11
A
10
GND 7 B
2
Y6
9
8 C
GND
4
Y7
Detail of Function
DOCK (Develop-
Reserved
(iPod) ment)
10.0k 18.0k 39.0k
120-140 150-170 195-210
Detail of Function
INPUTS ON
CHANNEL
INH C B A
L L L Y0
L
L L L H Y1
L L H L Y2
L L H H Y3
L H L L Y4
L H L H Y5
L H H L Y6
L H H H Y7
H X X X None
No connect
–
245-255