Yamaha HTR-5063 Service Manual page 65

Function
Pin Port
Name
No. Name
(P.C.B.)
75 P4_2 SPRY_S
76 Vss Vss
77 P4_1 VOL_SCK
78 P4_0 VOL_MOSI
79 P3_7 SPRY_SB
80 P3_6 NC
81 P3_5 NC
82 P3_4 HPRY
83 P3_3 SP_IMP
84 P3_2 HP_N_DET
85 P3_1 E2R_N_CS
86 P12_4 NC
87 P12_3 NC
88 P12_2 NC
89 P12_1 MUTE_N_SW
90 TXD6 NC
91 Vcc Vcc
92 P3_0 MUTE_N_SB
93 Vss Vss
94 P2_7 TUN_N_TUND
95 P2_6 TUN_N_ST
96 P2_5 +3.3S_PON
97 P2_4 PRY
98 P2_3 I_PRT
99 P2_2 MUTE_N_S
100 P2_1 MUTE_N_C
101 P2_0 MUTE_N_F
102 INT5 ACPWR_DET
103 INT4 PSW_DET
104 INT3 REM_IN
105 P1_4 NC
106 P1_3 DOCK_PON
107 P1_2 IOXV_N_CS
108 P1_1 IOXV_N_RST
109 P1_0 PD_LED
110 P0_7 FLD_N_RST
111 P0_6 NC
112 P0_5 NC
113 P0_4 MIC_N_DET
114 P11_4 IPD_APDET
I/O
O O O O
MCU MCU MCU MCU MCU
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
CS CS CS I
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
O O O O
MCU MCU MCU MCU MCU
I O O O
I O O O
O O O O
O O O O
I I O O
O O O O
O O O O
O O O O
IRQ IRQ IRQ IRQ
IRQ IRQ IRQ IRQ
IRQ IRQ IRQ IRQ
O O 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
I O O O
I I I I
O Surround Speaker relay control
Microprocessor GND
O Electronic volume Flip-flop synchronous clock output
O Electronic volume Flip-flop synchronous data output
O
O
O
O Headphone relay control
Speaker impedance relay control
When set to 8ohm: Low (relay OFF, B voltage High)
O
When set to 6ohm and temperature rising: High (relay ON,
B voltage Low)
Headphone detection
O L: Headphone available
+3.3S pull-up
EEPROM chip select
I
Pulled up to EEPROM power source by 10k Ω
O
O
O
O Subwoofer mute control / L: Mute
O
Microprocessor power supply
O Surround Back / BiAMP / Zone2 mute control / L: Mute
Microprocessor GND
O FM/AM Tuner TUNED input / Pulled up to +3.3S by 47k
FM/AM Tuner STEREO detection input
O
Pulled up to +3.3S by 47h
+3.3S power ON/OFF control
H: ON, L: OFF
Set to L in Standby Sleep mode (to reduce wasteful power
I consumption (Mute, Pull up, etc.)
Using Input (HiZ), turn on +3.3S power supply mechanically
(to make Mute function effective when power down is
detected)
O Power relay ON/OFF control H: ON, L: OFF
O Excess current protection detection
O Surround mute control / L: Mute
O Center mute control / L: Mute
O Front (including headphone) mute control / L: Mute
O AC power detection / L: Power down
Main / Zone / Input key interrupt / KEY1 port discriminates
O
which key is pressed.
O Remote control pulse input
O
O Dock power ON/OFF control / H: ON, L: OFF
O IO expanded IC (for Video) chip select
O IO expanded IC (for Video) reset
O Pure Direct LED ON/OFF control / H: ON, L: OFF
O FL driver reset
O
O
O MIC detection / L: MIC available
iPod accessory power detection / Low while iPod booting
(about 2 sec.) / Execute identification at approximate
I time of completion of booting / Change to constant input
to prevent mutual pulling between iPod High output and
microprocessor output Low Fix.
RX-V567/HTR-5063
Detail of Function
65