Aiwa NSX-VC8 Service Manual page 24

IC DESCRIPTION
IC, M38B57MCH - E260FP
Pin No. Pin Name
1 NC
2 I-HOLD
3 I-TRAY SW
4 I-D-SW
5 I-KEY2
6 I-KEY1
7 O-DSP DATA
8 O-MOTOR
9 I-RMC
10 RESET
11 I-STEREO
O-DSC/
12
O-PLL.DATA
13 VSS
14 XIN
15 XOUT
16 VCC
17 O-PB1
18 O-POWER
19 O-C.SHIFT
20 O-RMT
21 O-BIAS
22 O-TU ON
23 O-CD ON
24 O-CLK
25 I-TM BASE
26 O-CLOSE
27 O-OPEN
28 VEE
29 O-STB (DSP)
30 O-K-SCAN
31 O.PLL_CE
32 NC
33 G10
34 G9
35 G8
36 G7
37 G6
38 G5
39 G4
40 G3
41 G2
I/O
— Connected to GND through a resistor.
I Hold input.
I CD tray SW AD input.
I CD door open/close AD detection input. (Connected to GND through a resistor)
I Key AD input 2.
I Key AD input 1.
— Not used.
O Cassette deck motor control output.
I System remote control signal input. (Active "L")
I Reset input for MICON.
I Tuner stereo detect input.
O Function IC control output/PLL data output.
— Connected to GND.
I 4.19MHZ oscillator circuit.
O 4.19MHZ oscillator circuit.
— Power supply.
O Cassette deck output switching PB1/PB2.
O Power control ON/OFF output.
O Clock shift output for micro computer when tuner receiving broadcast.
O REC MUTE output.
O Bias ON/OFF output.
O Tuner power supply ON/OFF output.
O CD power supply ON/OFF output.
O PLL IC clock output.
I Reference clock input for timer switch.
O CD tray close data output.
O CD tray open data output.
— Power supply for FL display.
— Not used.
O Initial scan output.
O Tuner PLL IC chip enable output.
— Not connected.
O FL grid output (G10).
O FL grid output (G9).
O FL grid output (G8).
O FL grid output (G7).
O FL grid output (G6).
O FL grid output (G5).
O FL grid output (G4).
O FL grid output (G3).
O FL grid output (G2).
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Description