Aiwa LCX-257, Справочник по обслуживанию

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IC, LC877248A-5R02
Pin No. Pin Name I/O Description
IC DESCRIPTION
O-ARDY
O-SREQ
O-SOUT
I-SIN
I-ACLK
I-MREQ
NC (SELECT)
O-PCONT
___________
I-HOLD
O-CLKSFT
I-RESET
XT1
XT2
VSS1
CF1
CF2
VDD1
I-JOGA
I-JOGB
I-KEY1
I-KEY
I-RDSIG
I-CTON
I-RDDT
I-COLOR
I-TMBASE
I-INIT
I-RDCL
I-RMC
I-CTPLAY
I-CTREC
O-TUCONT
O-TUCE
O-TUDI
O-TUCL
I-TUDO
_________________
I-STEREO
NC
S9-S23
VDD2
VCC2
O
O
O
I
I
I
O
O
I
O
I
I
O
—
I
O
—
I
I
I
I
I
I
I
I
I
I
I
I
I
I
O
O
O
O
I
I
—
O
—
—
Not connected.
Pull down.
Main power control.
Hold status detection.
Clock shift control.
Reset terminal.
Connected to VDD.
Not connected.
GND.
External ceramics oscillator (5.76 MHz) is connected to this pin (input).
External ceramics oscillator (5.76 MHz) is connected to this pin (output).
Power supply positive polarity (+) terminal.
Jog dial detection A.
Jog dial detection B.
Tact key, AD input detection.
RDS signal level input, AD input.
CT DECK power supply detection.
RDS data input.
LCD back light initial setting input.
8Hz clock reference frequency input.
Tuner destination, initial setting input.
RDS clock input.
Remote controller receptor signal input.
CT DECK PLAY detection.
CT DECK REC detection.
Tuner power supply control.
Tuner, Chip enable output for PLL communication.
Tuner, Serial data output for PLL communication.
Tuner, Clock output for PLL communication.
Tuner, Serial data input for PLL communication.
Tuner stereo reception detection.
Not connected.
LCD SEG terminal initial setting output. (No.43-29)
Power supply positive polarity (+) terminal.
GND.