Service manual

82
RX-V665/HTR-6260
RX-V665/HTR-6260
Pin
No.
Port Name
Function
Name
(P.C.B.)
I/O
Detail of Function
Power On
Stby Thrh
Standby
Stby Sleep
MCU Sleep
126
AN154
P154/AN154/TXD6
DC_PRT AD AD O O O Power AMP DC detection
127
AN153
P153/AN153/CTS5/
RTS5
MODEL AD AD O O O
Destination discrimination by AD value
When AD is taken in at power on, there is 1m sec waiting time after
AD input port setting
128
ISRXD0
P152/AN152/
ISRXD0/RXD5
E2R_MISO SI SI SI O O Synchronous data input for EEPROM
129
ISCLK0
P151/AN151/ISCLK0/
CLK5
FLD_SCK SO SO SO O O
FL driver, OSD, IO extended IC (Video), series 1 k-ohms go into
synchronous clock output for EEPROM FL driver
130
Vss
Vss
Vss MCU MCU MCU MCU MCU Microprocessor GND
131
ISTXD0
P150/AN150/ISTXD0/
TXD5
FLD_MOSI SO SO SO O O
FL driver, OSD, IO extended IC (Video), series 1 k-ohms go into
synchronous data output for EEPROM FL driver
132
Vcc1
Vcc1
Vcc1 MCU MCU MCU MCU MCU Microprocessor power supply
133
AN7
P107/AN7/KI3/RTP33
KEY1 AD AD AD I O
KEY1 AD value taken in
Duing PSW_DET interruption, distinguishes the used keys which are
switched to AD
134
AN6
P106/AN6/KI2/RTP32
KEY2 AD AD AD I O
KEY2 AD value taken in
Duing PSW_DET interruption, distinguishes the used keys which are
switched to AD
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-10 ms A/D value
Make a distinction from IPD_DET 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 High output and microprocessor Low Fix
output, input setup