Ic Description - Aiwa NSX-SZ80 Service Manual

IC DESCRIPTION

IC, LC87654V-5P35
Pin No.
Pin Name
1 O-CLK
2 O-DATA
3 O-STB(M)
4 O-POWER
5 O-STB(SHIFT)
6 O-RYM-CS
7 O-PLL-CE
8 I-STEREO
9 O-CLK SHIFT
10 I-HP-MUTE
11 RESET
12 I-DISH
13 I-SPEANA
14 VSS1
15 CF1
16 CF2
17 VDD1
18 I-HOLD
19 I-KEY1
20 I-KEY2
21 I-KEY3
22 I-CDSW
23 I-RTVR
24 I-JOG
25 I-MIC
26 I-MS
27 I-TM-BASE
28
I-WRQ
29 I-RMC
30 ~ 42 G13 ~ G1
43 ~ 45 P35 ~ P33
46 VDD3
47 P32/SPEANA-A
48 P31/SPEANA-B
49 P30/SPEANA-C
50 P29/BEAT-M
51 -VP
52 P28/AM-ST
53 P27/LW
54 P26/SW
55 P25/FM1
56 P24/CASINO DEMO O/I
I/O
O CLOCK output for FRONT and MAIN C.B.
O DATA output for FRONT and MAIN C.B.
O Strobe output for MAIN C.B.
O System power ON/OFF output.
O Strobe output for shift register.
O Chip select output for RHYTHM IC.
O Chip enable output for PLL.
I Stereo detect input.
O Tuner clock shift output (active L).
I Head phones connect detect input.
I Reset input for MICON.
I CD turntable photo sensor input.
I SPEANA level AD input.
– Connected to GND.
– To oscillator circuit.
– To oscillator circuit.
– Power supply.
I HOLD input .
I Key-1 AD input.
I Key-2 AD input.
I Key-3 AD input.
I CD nechanical switch input.
I Rotary encoder AD input for VR.
I Rotary encoder AD input for MULTI JOG.
I MIC input for AUTO VOCAL FADER.
DECK MS detect input.
I
I Standard time input (8Hz).
I
CD WRQ input.
I System remote controller input.
O FL grid output (G13 ~ G1).
O FL segment output (P35 ~ P33).
– Power supply.
O FL segment output (P32)/SPEANA band change output (A).
O FL segment output (P31)/SPEANA band change output (B).
O FL segment output (P30)/SPEANA band change output (C).
O/I FL segment output (P29)/BEAT MASTER less diode input.
– Connected to -VFL .
O/I FL segment output (P28)/AM-STEREO diode input (Not used).
O/I FL segment output (P27)/LW diode input (Not used).
O/I FL segment output (P26)/SW diode input (Not used).
O/I FL segment output (P25)/FM1diode input (Not used).
FL segment output (P24)/initial CASINO DEMO diode input.
Description
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