Yamaha HTR-6290, Service Manual

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RX-V1900/HTR-6290/DSP-AX1900
74
RX-V1
90
0/HTR-6290/
DSP-AX1
90
0
No. Port Name Function Name I/O Detail of Function
1 P96/SDA4 SDAL SIO I/O signal of I2C SDA (for 100kHz device)
2 P95/CLK4 NC O
3 P94/DA1/TB4in LPFCTL O LPF fs select
4 P93/TB3in P93 O YGV VS output, spare
5 P92/SDA3 SDAH SIO I/O signal of I2C SDA (for HDMI device)
6 P91/SCL3 SCLH SO Output signal of I2C SCL (for HDMI device)
7 P90/TB0in P90 HiZ YGV brightness output, spare
8 P146 Test Point O Monitor terminal for development
9 P145 Test Point O Monitor terminal for development
10 P144/INT6 Test Point O Monitor terminal for development
11 P143 HDMI SEL0 O HDMI_INPUT Select (Bit0)
12 P142 HDMI SEL1 O HDMI_INPUT Select (Bit1)
13 P141 HDMI SEL2 O HDMI_INPUT Select (Bit2)
14 P140 HDMI_SEL O EEPROM (RxINPUT) select
15 BYTE BYTE MCU Data bus width setting: Set to 16bit = LOW
16 CNVSS CNVSS MCU Processor mode: Set to HI
17 P87 NC O
18 P86
BOOT I YDC boot signal input
(/EN232) O 232C line open request (Video -> Main)
19 /RESET /RES MCU Reset signal input
20 XOUT XOUT MCU Ceramic oscillator 10Mhz
21 Vss GND MCU GND
22 XIN XIN MCU Ceramic oscillator 10Mhz
23 Vcc1 5.0V MCU 5.0V
24 P85/NMI NMI I
25 P84/INT2 /REM IRQ Connection to the remote control light receiving section enabled
26 P83/INT1 /INTAD IRQ Interrupt signal from ADV7401
27 P82/INT0 /INT Rx IRQ HDMI Rx interrupt
28 P81/TA4in FVS I VSYNC frequency measurement, spare
29 P80/TA4out Test J1-1 I Start-up option forced log output
30 P77/TA3in Test J1-2 I Start-up option HDCP ON/OFF
31 P76/TA3out Test J1-3 I Start-up option mobile mode
32 P75/TA2in HDMINT O HDMI interrupt request
33 P74/TA2out 232PWR I 232C Transceiver shutdown detect input
34 P73/TA1in /ICEX O Reset signal I/O for expander
35 P72/CLK2 MREQ O Main microprocessor I/F REQ output signal
36 P71/SCL2 SCLV SO Output signal of I2C SCL (for video device)
37 P70/SDA2 SDAV SIO I/O signal of I2C SDA (for Video device)
38 P67/TxD1 TXD1 SO
Serial I/F for YDC writing
Serial I/F for Debugging/writing
39 Vcc1 MCU 5.0V
40 P66/RxD1 RXD1 SI
Serial I/F for YDC writing
Serial I/F for Debugging/writing
41 Vss MCU GND
42 P65/CLK1 RTS1 O Serial I/F for YDC/RS232C writing
43 P64/CTS1 CTS1 I Serial I/F for YDC/RS232C writing
44 P63/TxD0 VtoM SO Main microprocessor I/F SPI
45 P62/RxD0 MtoV SI Main microprocessor I/F SPI
46 P61/CLK0 CLKH SI Main microprocessor I/F SPI
47 P60/CTS0/RTS0 MRES O Main microprocessor I/F RES output signal
48 P137 /RES_Rx O Reset HDMI Rx only
49 P136 TMDS_ENB O TMDS pull-up ON/OFF (CE of equalizer IC)
50 P135 EDID_ENB O Whether accessible to EEPROM or not
51 P134 /AUPS O Video passage to HDMI (scaler output) ON/OFF
52 P57/RDY /RDY I YVG/WAIT signal input
53 P56/ALE/RAS NC O
54 P55/HOLD NC I
55 P54/HLDA/ALE NC O
56 P133 PSENB O HDMI Tx power signal enable
57 Vss GND MCU GND
58 P132 DDCENB O HDMI DDC enable control
59 Vcc2 3.3V MCU 3.3V
60 P131 AUPAUD O Audio passage to HDMI, output select