Aiwa XR-MDK109 Service Manual page 62

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IC, LC876572V-5N52
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Pin No. Pin Name
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1 I-STEREO
2 I-TUDO
3 I/O-BUSY
___________
4 O-F.LED
5 O-M.STB
6 O-CLK
7 O-DATA
8 O-VOLCTL
9 I-TMBASE
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10 O-CKSFT
11 RESET
12 I-ACOFF
13 I-MS
14 VSS
15 CF1
16 CF2
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17 VDD1
18 O-K.CS
19 I-KEY1
20 I-KEY0
21 I-DSW
22 I-CDTSW
23 I-ENC1
24 I-ENC0
25 O-CE
26 O-K.CLK
27 I-LEVEL
28 O-CLK
29 I-RMT
30-42 T0-T12
43-45 S13-S15
46 VDD3
47-50 S16-S19
51 VP
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52-63 S20-S31
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64 S32/BBE
______________
65 S33/DOLBY
.
66 S34/AM10k
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I/O
I Connected to stereo detection and tuner.
Connected to tuner PLL IC LC72131 pin-6 DO and connected to VCD µPD78016
I
pin- .
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I/O Connected to VCD microprocessor µPD78016 pin-≥.
O Function LED control output.
O Connected to main shift resistor 4094 pin-1 STB.
Connected to front shift resistor BU2092 pin-3 CLK, main shift resistor 4094 pin-3
O
CLK, and tuner PLL IC LC72131 pin-5 CL.
Connected to front shift resistor BU2092 pin-2 DATA, main shift resistor 4094 pin-
O
2 DATA, and tuner PLL IC LC72131 pin-4 DI.
O Connected to VOL/P.EQ IC M62439SP pin-! CONT.
I Reference clock input for clock PLL IC LC72131 pin-7.
O Clock shift output is shifted: "L"
I/O Microprocessor reset.
I Hold status detection.
I Connected to music search detection circuit.
— GND.
— Connected to 5.76 MHz oscillator
— Connected to 5.76 MHz oscillator.
— Microprocessor power supply. (µ-com 5 V)
O Connected to karaoke IC TC9409 pin-°.
I Key AD value input.
I Key AD value input.
I Deck MECA status detection input. (AD)
I CD tray OPEN/CLOSE status detection input. (AD)
I AD value input from multiple jog rotary encoder outputs A and B.
I Electronic VOL's AD value input from rotary encoder outputs A and B.
O Connected to tuner PLL IC LC72131 pin-3 CE.
O Connected to karaoke IC TC9409 pin-‡.
I Level meter input.
O Connected to VCD microprocessor µPD78016 pin-
I Remote control input.
O FL tube grid output. (13G-1G)
O FL tube anode output. (P35-P33)
— Microprocessor power supply. (µ-com 5 V)
O FL tube anode output. (P32-P29)
— Connected to minus power supply for FL, -VFL.
O FL tube anode output. (P28-P17)
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O FL tube anode output (P16), and INT.DIODE MATRIX input.
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O FL tube anode output (P15), and INT.DIODE MATRIX input.
i
O FL tube anode output (P14), and INT.DIODE MATRIX input.
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