Yamaha RX-V465 Service Manual
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Brand: Yamaha
Category: Receiver , Stereo Receiver
Type: Service manual
Model: Yamaha HTR-6240 , Yamaha RX-V465 , Yamaha AX-V465
Pages: 147
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RX-V465/HTR-6240/
AX-V465
RX-V465/HTR-6240/AX-V465
Pin
No.
Port Name
Function
Name
(P.C.B.)
I/O
Detail of Function
Power On
Stby Thrh
Standby
Stby Sleep
MCU Sleep
135
AN5
P105/AN5/KI1/RTP31
PS1_PRT AD AD O O O PS protection detection 1
136
AN4
P104/AN4/KI0/RTP30
PS2_PRT AD AD O O O PS protection detection 2
137 P103 ISEL_RA O O O O O
138 P102 ISEL_RB O O O O O
139
AN1
P101/AN1/RTP11
DEST AD AD AD O O
AD destination discrimination
Data is taken in when resetting is cancelled
140
AVss
AVss
AVss MCU MCU MCU MCU MCU Microprocessor GND
141
AN0
P100/AN0/RTP10
DOCK_TYPE AD AD AD I O
DOCK discriminate
identifies the connected DOCK type, then switches the action
During IPD_DET interruption, switches to AD, make a distinction based on post-
10ms A/D value
Make a distinction from IPD_DET’s Low edge through post-10ms A/D value
142
Vref
Vref
VREF MCU MCU MCU MCU MCU Microprocessor power supply
143
AVcc
AVcc
AVcc MCU MCU MCU MCU MCU Microprocessor power supply
144
RXD4
P97/ADTRG/RXD4/
SCL4/STXD4
IPD_MISO SI I I I O
Asynchronous data input for iPod
to prevent pulling of iPod’s High output and microcomputer’s Low Fix output, input
setup
Ohm 0 + 1.0k + 1.0k + 1.5k + 1.8k + 2.2k + 3.3k + 4.7k + 6.8k + 10.0k + 22.0k + 68.0k
V 0 – 0.15 0.15 – 0.42 0.43 – 0.70 0.71 – 0.99 1.0 – 1.27 1.28 – 1.56 1.57 – 1.86 1.86 – 2.14 2.14 – 2.4 2.4 – 2.65 2.66 – 2.91 2.92 – 3.17
A/D value
(3.3 V=255)
0 – 11 12 – 32 33 – 54 55 – 77 78 – 98 99 – 120 121 – 143 144 – 165 166 – 185 186 – 205 206 – 225 226 – 245
KEY2 (134 pin) DIRECT STRAIGHT INFO MEMORY
PRESET
<
PRESET
>
CATEGORY <
FM
CATEGORY >
AM
TUNING CH
<
TUNING CH
>
INPUT
<
INPUT
>
Ohm 0 + 1.0k + 1.0k + 1.5k + 1.5k + 2.2k + 3.3k + 4.7k + 22.0k + 33.0k
V 0 – 0.15 0.15 – 0.42 0.43 – 0.70 0.71 – 0.97 0.98 – 1.24 1.25 – 1.53 1.54 – 1.84 1.84 – 2.1 2.34 – 2.55 2.55 – 2.97
A/D value
(3.3 V=255)
0 – 11 12 – 32 33 – 54 55 – 75 76 – 95 96 – 118 119 – 142 143 – 162 181 – 197 198 – 229
KEY1 (133 pin)
SCENE
RADIO
SCENE
CD
SCENE
TV
SCENE
BD/DVD
– –
PROGRAM
>
PROGRAM
<
STANDBY/
ON
TONE
CONTROL
Key detection for A/D port
Key input (A/D) pull-up resistance 10 k-ohms
Destination detection for A/D port
Destination input (A/D) pull-up resistance 10 k-ohms
Model detection for A/D port
Model input (A/D) pull-up resistance 10 k-ohms
Ohm 0 1.0k
V 0 – 0.2 0.2 – 0.5
A/D value (3.3 V=255) 0 – 10 18 – 28
MODEL (127 pin)
RX-V465/
AX-V465
HTR-6240
Ohm
(R3809 VIDEO P.C.B.)
0 1.2k 2.7k 4.7k 6.8k 10.0k 15.0k 47.0k 100.0k
V 0 – 0.2 0.2 – 0.6 0.6 – 0.9 0.9 – 1.2 1.2 – 1.5 1.5 – 1.8 1.8 – 2.3 2.4 – 2.9 2.9 – 3.2
A/D value (3.3 V=255) 0 – 15 15 – 46 46 – 69 69 – 92 92 – 115 115 – 139 139 – 177 185 – 224 224 – 247
DEST (139 pin) J U C R T K
A B, G, E, F
L