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IC, LC876572V-5N52
Pin No.
Pin Name
I/O
Description
_______________
I-STEREO
I-TUDO
I/O-BUSY
___________
O-F.LED
O-M.STB
O-CLK
O-DATA
O-VOLCTL
I-TMBASE
_____________
O-CKSFT
RESET
I-ACOFF
I-MS
VSS
CF1
CF2
VDD1
O-K.CS
I-KEY1
I-KEY0
I-DSW
I-CDTSW
I-ENC1
I-ENC0
S16-S19
VP
S20-S31
________
S32/BBE
______________
S33/DOLBY
S34/AM10k
I
I
I/O
O
O
O
O
O
I
O
I/O
I
I
—
—
—
—
O
I
I
I
I
I
I
I
I
O
—
O
O
O
O
Connected to stereo detection and tuner.
Connected to tuner PLL IC LC72131 pin-
6
DO and connected to VCD µPD78016
pin- .
Connected to VCD microprocessor µPD78016 pin-
≥
.
Function LED control output.
Connected to main shift resistor 4094 pin-
1
STB.
Connected to front shift resistor BU2092 pin-
3
CLK, main shift resistor 4094 pin-
3
CLK, and tuner PLL IC LC72131 pin-
5
CL.
Connected to front shift resistor BU2092 pin-
2
DATA, main shift resistor 4094 pin-
2
DATA, and tuner PLL IC LC72131 pin-
4
DI.
Connected to VOL/P.EQ IC M62439SP pin-
!
CONT.
Reference clock input for clock PLL IC LC72131 pin-
7
.
Clock shift output is shifted: “L”
Microprocessor reset.
Hold status detection.
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)
Connected to karaoke IC TC9409 pin-
°
.
Key AD value input.
Key AD value input.
Deck MECA status detection input. (AD)
CD tray OPEN/CLOSE status detection input. (AD)
AD value input from multiple jog rotary encoder outputs A and B.
Electronic VOL’s AD value input from rotary encoder outputs A and B.
Connected to tuner PLL IC LC72131 pin-
3
CE.
Connected to karaoke IC TC9409 pin-
‡
.
Level meter input.
Connected to VCD microprocessor µPD78016 pin-
.
Remote control input.
FL tube grid output. (13G-1G)
FL tube anode output. (P35-P33)
Microprocessor power supply. (µ-com 5 V)
FL tube anode output. (P32-P29)
Connected to minus power supply for FL, -VFL.
FL tube anode output. (P28-P17)
FL tube anode output (P16), and INT.DIODE MATRIX input.
FL tube anode output (P15), and INT.DIODE MATRIX input.
FL tube anode output (P14), and INT.DIODE MATRIX input.
63
64
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