Ic Description - Aiwa XR-M88 Service Manual

IC DESCRIPTION

IC, LC866532A-5L31RX
Pin No. Pin Name
________________
1 I-MACMD
2 O-SCMD
3 1-RDSDATA
___________
4 O-PAMP
5 P32
6 O-CLK
7 O-DATA
8 P35
9 O-P.ON
10 P37
_____________
11 O-CKSFT
________
12 RST
________________
13 I-STEREO
14 I-TUDO
15 VSS1
16 CF1
17 CF2
18 VDD1
____________
19 I-HOLD
20-22 P81-P83
23 I-TU-SIG
24-26 P85-P87
27 I-RDSCLK
28 I-TMBASE
29 P73
30-41 G13-G2
42, 43 P35, P34
44 G1
45 P33
46 VDD3
47-50 P32-P29
51 VP
52-71 P28-P9
72 VDD4
73-80 P8-P1
81 S48
82-84 PG1-PG3
85, 86 P00, P01
87 O-CE
88 O-TUON
89 VSS2
I/O
I Command input from master microprocessor.
O Serial data output to master microprocessor.
I RDS data input.
O Power supply control output (power supply ON/OFF of POWER AMP).
— NC.
O Connected to TUNER PLL IC LC72131 pin-5 CL.
O Connected to TUNER PLL IC LC72131 pin-4 DI.
— NC.
O Power save mode control output
— NC.
O Clock shift output. "L" at clock shift.
I Microprocessor reset.
I TUNER, STEREO detection.
I Connected to TUNER PLL IC LC72131 pin-6 D0.
— GND.
I
5.76 MHz. Connected to oscillator.
O
— Microprocessor power supply (µ-com 5V).
I Hold state detection. (Ignored by slave microprocessor)
— NC.
I RDS signal level AD value input (A/D).
— NC.
I RDS CLK input.
I Reference clock input for watch. Connected to PLL ICLC72131 pin-7.
— NC.
O FL tube grid output. (13G-2G).
O FL tube anode output. (P35, P34).
O FL tube grid output. (1G).
O FL tube anode output. (P33).
— Microprocessor power supply. (µ-com 5V).
O FL tube anode output. (P32-P29).
— Connected to minus power supply -VFL for FL.
O FL tube anode output. (P28-P9).
— Microprocessor power supply. (µ-com 5V).
O FL tube anode output. (P8-P1).
—
— NC.
—
O Connected to TUNER PLL IC LC72131pin-3 CE.
O TUNER power supply. ON/OFF output.
— GND.
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Description