Yamaha RX-V565 Service Manual page 86

RX-V565/HTR-6250/AX-V565
Function
Pin
Port Name
No.
AN6
134 KEY2
P106/AN6/KI2/RTP32
AN5
135 PS1_PRT
P105/AN5/KI1/RTP31
AN4
136 PS2_PRT
P104/AN4/KI0/RTP30
137 P103 ISEL_RA
138 P102 ISEL_RB
AN1
139 DEST
P101/AN1/RTP11
AVss
140 AVss
AVss
AN0
141 DOCK_TYPE
P100/AN0/RTP10
Vref
142 VREF
Vref
AVcc
143 AVcc
AVcc
RXD4
144 P97/ADTRG/RXD4/ IPD_MISO
SCL4/STXD4
Key detection for A/D port
Key input (A/D) pull-up resistance 10 k-ohms
Ohm 0
V 0 – 0.15 0.15 – 0.42
A/D value
0 – 11 12 – 32
(3.3 V=255)
SCENE SCENE
KEY1 (133 pin)
RADIO
Ohm 0
V 0 – 0.15 0.15 – 0.42
A/D value
0 – 11 12 – 32
(3.3 V=255)
KEY2 (134 pin) DIRECT STRAIGHT
Destination detection for A/D port
Destination input (A/D) pull-up resistance 10 k-ohms
Ohm
0
(R3809 VIDEO P.C.B.)
V 0 – 0.2
A/D value (3.3 V=255) 0 – 15
DEST (139 pin) J
Model detection for A/D port
Model input (A/D) pull-up resistance 10 k-ohms
Ohm 2.2k
V 0.5 – 0.8
A/D value (3.3 V=255) 40 – 52
RX-V565/
MODEL (127 pin)
AX-V565
86
I/O
Name
(P.C.B.)
AD AD AD I
AD AD O O
AD AD O O
O O O O
O O O O
AD AD AD O
MCU MCU MCU MCU MCU Microprocessor GND
AD AD AD I
MCU MCU MCU MCU MCU Microprocessor power supply
MCU MCU MCU MCU MCU Microprocessor power supply
SI I I I
+ 1.0k + 1.0k + 1.5k + 1.5k
0.43 – 0.70 0.71 – 0.97 0.98 – 1.24
33 – 54 55 – 75 76 – 95
SCENE SCENE
CD TV BD/DVD
+ 1.0k + 1.0k + 1.5k + 1.8k
0.43 – 0.70 0.71 – 0.99 1.0 – 1.27
33 – 54 55 – 77 78 – 98
PRESET
INFO MEMORY
1.2k 2.7k 4.7k
0.2 – 0.6 0.6 – 0.9 0.9 – 1.2
15 – 46 46 – 69 69 – 92
U C R
3.9k
0.8 – 1.1
65 – 176
HTR-6250
KEY2 AD value taken in
O Duing PSW_DET interruption, distinguishes the used keys which are
switched to AD
O PS protection detection 1
O PS protection detection 2
O
O
AD destination discrimination
O
Data is taken in when resetting is cancelled
DOCK discriminate
Identifies the connected DOCK type, then switches the action
During IPD_DET interruption, switches to AD, make a distinction
O
based on post-10 ms A/D value
Make a distinction from IPD_DET's Low edge through post-10 ms A/D
value
Asynchronous data input for iPod
O To prevent pulling of iPod High output and microprocessor Low Fix
output, input setup
+ 2.2k + 3.3k + 4.7k
1.25 – 1.53 1.54 – 1.84 1.84 – 2.1
96 – 118 119 – 142 143 – 162
PROGRAM PROGRAM
– –
> <
+ 2.2k + 3.3k + 4.7k
1.28 – 1.56 1.57 – 1.86 1.86 – 2.14
99 – 120 121 – 143 144 – 165
PRESET CATEGORY < CATEGORY >
< > FM AM
6.8k 10.0k 15.0k
1.2 – 1.5 1.5 – 1.8 1.8 – 2.3
92 – 115 115 – 139 139 – 177
T K A
Detail of Function
+ 22.0k + 33.0k
2.34 – 2.55 2.55 – 2.97
181 – 197 198 – 229
STANDBY/ TONE
ON CONTROL
+ 6.8k + 10.0k + 22.0k
2.14 – 2.4 2.4 – 2.65 2.66 – 2.91
166 – 185 186 – 205 206 – 225
TUNING CH TUNING CH INPUT
< > <
47.0k 100.0k
2.4 – 2.9 2.9 – 3.2
185 – 224 224 – 247
B, G, E, F L
+ 68.0k
2.92 – 3.17
226 – 245
INPUT
>