Yamaha HTR-6063, Service Manual

Page: 74 / 144

• Microprocessor extended port
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
COM
INH
C
B
A
11
10
9
6
3
13
14
15
12
1
5
2
4
1
2
3
4
5
6
7
8 9
10
16
15
14
13
12
11
Y4
Y6
COM
Y7
Y5
INH
GND
GND
V
CC
Y2
Y1
Y0
Y3
A
B
C
INPUTS ON
CHANNEL
INH
L
L
L
L
L
L
L
L
H
L
L
L
H
H
H
H
X
C
L
L
H
H
L
L
H
H
X
L
H
L
H
L
H
L
H
X
L
Y1
Y2
Y3
Y4
Y5
Y6
Y7
None
Y0
B A
* Mode switch setting of the YDS-12
74
RX-V667/HTR-6063/RX-A700
RX-V667/HTR-6063/
RX-A70
0
IC901, 902: SN74LV4051APWR (DIGITAL P.C.B.)
8-channel analog multiplexers/demultiplexers
Pin
No.
Port Name
Function
Name
Terminal
Processing
I/O
Related Power Supply
Detail of Function OFF ON
I/O Logic I/O Logic
AD selector 1 (AD1_COM signal is input into AN_5 of R32C)
1 Y4 PS2_PRT I +3.3S_PON I --- I A/D Power supply protection 2
2 Y6 PS1_PRT I +3.3S_PON I --- I A/D Power supply protection 1
4 Y7 AMP_OLV I PRY I --- I A/D Amplifier output level detection
5 Y5 I_PRT I PRY I --- I H act Current protection
12 Y3 L3_DET I VID_PON I --- I A/D D terminal L3 detection
13 Y0 SV_DET I VID_PON I --- I H act S-video detect
14 Y1 HP_N_DET I DSP_PON I --- I L act Headphone detection
15 Y2 – I +3.3S_PON I --- I --- Spare
AD selector 2 (AD2_COM signal is input into AN_6 of R32C)
1 Y4 DC_PRT I PRY I --- I A/D DC protection
2 Y6 THM1 I +3.3S_PON I --- I A/D Temperature detection 1
4 Y7 THM2 I +3.3S_PON I --- I A/D Temperature detection 2
5 Y5
MIC_N_
DET
I DSP_PON I --- I L act Microphone detection
12 Y3 DOCK_AP
AC OFF時
吸込防止
I +3.3S_PON I --- I L act iPod accessory power
13 Y0 DOCK_ID I +3.3S_PON I --- I A/D DOCK ID detection
14 Y1 KY_AD3 I +3.3S_PON I --- I A/D Key 3
15 Y2 MODE 10kPU I +3.3S_PON I --- I A/D For special mode discriminate
DOCK type
Bluetooth
(YBA-10)
Wireless iPod
(YID-W10)
iPod
No connected
(YDS-11/12(B * )) (YDS-12(A * ))
A/D conversion value
(3.3V=255)
5-25 85-100 120-140 150-170 255
DOCK detection for AD port
Pull-up resistance 10 k-ohms