Aiwa XR-M88, Service Manual

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IC, LC866532A-5L31RX
Pin No. Pin Name I/O Description
IC DESCRIPTION
________________
I-MACMD
O-SCMD
1-RDSDATA
___________
O-PAMP
P32
O-CLK
O-DATA
P35
O-P.ON
P37
_____________
O-CKSFT
________
RST
________________
I-STEREO
I-TUDO
VSS1
CF1
CF2
VDD1
____________
I-HOLD
P81-P83
I-TU-SIG
P85-P87
I-RDSCLK
I-TMBASE
P73
G13-G2
P35, P34
G1
P33
VDD3
P32-P29
VP
P28-P9
VDD4
P8-P1
S48
PG1-PG3
P00, P01
O-CE
O-TUON
VSS2
I
O
I
O
—
O
O
—
O
—
O
I
I
I
—
I
O
—
I
—
I
—
I
I
—
O
O
O
O
—
O
—
O
—
O
—
—
—
O
O
—
Command input from master microprocessor.
Serial data output to master microprocessor.
RDS data input.
Power supply control output (power supply ON/OFF of POWER AMP).
NC.
Connected to TUNER PLL IC LC72131 pin- 5 CL.
Connected to TUNER PLL IC LC72131 pin- 4 DI.
NC.
Power save mode control output
NC.
Clock shift output. “L” at clock shift.
Microprocessor reset.
TUNER, STEREO detection.
Connected to TUNER PLL IC LC72131 pin-
6
D0.
GND.
5.76 MHz. Connected to oscillator.
Microprocessor power supply (µ-com 5V).
Hold state detection. (Ignored by slave microprocessor)
NC.
RDS signal level AD value input (A/D).
NC.
RDS CLK input.
Reference clock input for watch. Connected to PLL ICLC72131 pin- 7 .
NC.
FL tube grid output. (13G-2G).
FL tube anode output. (P35, P34).
FL tube grid output. (1G).
FL tube anode output. (P33).
Microprocessor power supply. (µ-com 5V).
FL tube anode output. (P32-P29).
Connected to minus power supply -VFL for FL.
FL tube anode output. (P28-P9).
Microprocessor power supply. (µ-com 5V).
FL tube anode output. (P8-P1).
NC.
Connected to TUNER PLL IC LC72131pin-
3
CE.
TUNER power supply. ON/OFF output.
GND.