Yamaha RX-V765 Service Manual page 83
Av receiver/av amplifier
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Also See for RX-V765:
- Owner's manual (324 pages) ,
- Product bulletin (2 pages) ,
- Setup manual (2 pages)
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Function
Pin
Port Name
Name
No.
(P.C.B.)
P126
67
DVID_N_RST
P126
P125
68
OSD_N_CS
P125
P47
69
DSP_PON
P47/SC0/A23
P46
70
SPRY_FA
P46/SC1/A22
P45
71
SPRY_FB
P45/SC2/A21
P44
72
CPNT_DET
P44/SC3/A20
P43
73
SPRY_C
P43/A19
Vcc2
74
Vcc2
Vcc2
P42
75
SPRY_S
P42/A18
Vss
76
Vss
Vss
P41
77
VOL_SCK
P41/A17
P40
78
VOL_MOSI
P40/A16
P37
79
SPRY_SB
P37/A15(/D15)
P36
80
SPRY_Z2
P36/A14(/D14)
P35
81
SPRY_Z3
P35/A13(/D13)
P34
82
HPRY
P34/A12(/D12)
P33
83
SP_IMP
P33/A11(/D11)
P32
84
HP_N_DET
P32/A10(/D10)
P31
85
E2R_N_CS
P31/A9(/D9)
P124
86
MUTE_N_Z3
P124
P123
MUTE_N_Z2
87
P123/CTS6/RTS6
P123
88 P122
HDR_MISO
P121
89
MUTE_N_SW
P121/CLK6
90 P120
HDR_MOSI
Vcc2
91
Vcc2
Vcc2
P30
92
MUTE_N_SB
P30/A8(/D8)
Vss
93
Vss
Vss
P27
94
TUN_N_TUND
P27/A7/(/D7)/AN27
P26
95
TUN_N_ST
P26/A6/(/D6)/AN26
I/O
O
O
O
O
O
CS
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
MCU MCU MCU MCU
MCU Microprocessor power supply
O
O
O
O
O
MCU MCU MCU MCU
MCU Microprocessor GND
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
O
O
O
O
CS
CS
CS
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
MCU MCU MCU MCU
MCU Microprocessor power supply
O
O
O
O
O
MCU MCU MCU MCU
MCU Microprocessor GND
I
O
O
O
O
I
O
O
O
O
Detail of Function
Video Enc/Dec reset
VID_PON=L: Low fix
OSD chip select
VID_PON=L: Low fix
DSP power supply ON/OFF control
H: ON, L: OFF
Front A speaker relay control
H: ON, L: OFF
Front B speaker relay control
H: ON, L: OFF
No use
Center speaker relay control
Surround speaker relay control
Electronic volume Flip-flop synchronous clock output
Electronic volume Flip-flop synchronous data output
Surround back/Bi-AMP relay control
Zone2/Presence Speaker relay control
SPRY_Z and SPRY_FB do not become High at the same time
Zone3 speaker relay control
Head phone relay control
Speaker impedance relay control
Set to 8 ohms: Low (Relay OFF, B voltage High)
Set to 6 ohms plus during rising temperature: High (Relay ON, B voltage
Low)
Headphone detection
L: Headphone
+3.3S pull up
EEPROM chip select
At 10 k-ohms pull up to EEPROM power
Zone3 line out mute control
L: Mute
Zone2 line out mute control
L: Mute
Subwoofer mute control
L: Mute
Surround back/Bi-AMP/Zone2 mute control
L: Mute
FM/AM tuner TUNED input
+3.3S to 47k then pull up
FM/AM tuner STEREO detection input
+3.3S to 47k then pull up
RX-V765/HTR-6270/AX-V765
(U, C, R, T, K, A, G, E, F, L models)
(B, J models)
83
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