Yamaha RX-V1800, Service Manual

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74
RX-V1800/HTR-6190/DSP-AX1800
RX-V1800/HTR-6190/
DSP-AX1800
No. Port Name
Function Name
I/O Detail of Function
(P.C.B.)
I/O signal of I2C SDA (for 100kHz device)
LPF fs select
YGV VS output, spare
I/O signal of I2C SDA (for HDMI device)
Output signal of I2C SCL (for HDMI device)
YGV brightness output, spare
Monitor terminal for development
Monitor terminal for development
Monitor terminal for development
HDMI_INPUT Select (Bit0)
HDMI_INPUT Select (Bit1)
HDMI_INPUT Select (Bit2)
EEPROM (RxINPUT) select
Data bus width setting: Set to 16bit = LOW
Processor mode: Set to HI
YDC boot signal input
232C line open request (Video -> Main)
Reset signal input
Ceramic oscillator 10Mhz
GND
Ceramic oscillator 10Mhz
5.0V
Connection to the remote control light receiving section enabled
Interrupt signal from ADV7401
HDMI Rx interrupt
VSYNC frequency measurement, spare
Start-up option forced log output
Start-up option HDCP ON/OFF
Start-up option mobile mode
HDMI interrupt request
232C Transceiver shutdown detect input
Reset signal I/O for expander
Main microprocessor I/F REQ output signal
Output signal of I2C SCL (for video device)
I/O signal of I2C SDA (for Video device)
Serial I/F for YDC writing
Serial I/F for Debugging/writing
5.0V
Serial I/F for YDC writing
Serial I/F for Debugging/writing
GND
Serial I/F for YDC/RS232C writing
Serial I/F for YDC/RS232C writing
Main microprocessor I/F SPI
Main microprocessor I/F SPI
Main microprocessor I/F SPI
Main microprocessor I/F RES output signal
Reset HDMI Rx only
TMDS pull-up ON/OFF (CE of equalizer IC)
Whether accessible to EEPROM or not
Video passage to HDMI (scaler output) ON/OFF
YVG/WAIT signal input
HDMI Tx power signal enable
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
P96/SDA4
P95/CLK4
P94/DA1/TB4in
P93/TB3in
P92/SDA3
P91/SCL3
P90/TB0in
P146
P145
P144/INT6
P143
P142
P141
P140
BYTE
CNVSS
P87
P86
/RESET
XOUT
Vss
XIN
Vcc1
P85/NMI
P84/INT2
P83/INT1
P82/INT0
P81/TA4in
P80/TA4out
P77/TA3in
P76/TA3out
P75/TA2in
P74/TA2out
P73/TA1in
P72/CLK2
P71/SCL2
P70/SDA2
P67/TxD1
Vcc1
P66/RxD1
Vss
P65/CLK1
P64/CTS1
P63/TxD0
P62/RxD0
P61/CLK0
P60/CTS0/RTS0
P137
P136
P135
P134
P57/RDY
P56/ALE/RAS
P55/HOLD
P54/HLDA/ALE
P133
Vss
SDAL
NC
LPFCTL
P93
SDAH
SCLH
P90
Test Point
Test Point
Test Point
HDMI SEL0
HDMI SEL1
HDMI SEL2
HDMI_SEL
BYTE
CNVSS
NC
BOOT
(/EN232)
/RES
XOUT
GND
XIN
5.0V
NMI
/REM
/INTAD
/INT Rx
FVS
Test J1-1
Test J1-2
Test J1-3
HDMINT
232PWR
/ICEX
MREQ
SCLV
SDAV
TXD1
RXD1
RTS1
CTS1
VtoM
MtoV
CLKH
MRES
/RES_Rx
TMDS_ENB
EDID_ENB
/AUPS
/RDY
NC
NC
NC
PSENB
GND
SIO
O
O
O
SIO
SO
HiZ
O
O
O
O
O
O
O
MCU
MCU
O
I
O
MCU
MCU
MCU
MCU
MCU
I
IRQ
IRQ
IRQ
I
I
I
I
O
I
O
O
SO
SIO
SO
MCU
SI
MCU
O
I
SO
SI
SI
O
O
O
O
O
I
O
I
O
O
MCU