Aiwa NSX-SZ6, Service Manual

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1 NC — Not connected.
2 I-HOLD I Hold input.
3 I-TRAY SW I CD tray SW AD input.
4 I-D-SW I CD door open/close AD detection input (Not used).
5 I-KEY2 I Key AD input 2.
6 I-KEY1 I Key AD input 1.
7 O-DSP DATA — Not used.
8 O-MOTOR O Cassette deck motor control output.
9 I-RMC I System remote control signal input (Active "L").
10 RESET I Reset input for MICON.
11 I-STEREO I Tuner stereo detect input.
12
O-DSC/
O Function IC control output/PLL data output.
O-PLL.DATA
13 VSS — Connected to GND.
14 XIN I 4.19MHZ oscillator circuit.
15 XOUT O 4.19MHZ oscillator circuit.
16 VCC — Power supply.
17 O-PB1 O Cassette deck output switching PB1/PB2.
18 O-POWER O Power control ON/OFF output.
19 O-C.SHIFT O Clock shift output for micro computer when tuner receiving broadcast.
20 O-RMT O REC MUTE output.
21 O-BIAS O Bias ON/OFF output.
22 O-TU ON O Tuner power supply ON/OFF output.
23 O-CD ON O CD power supply ON/OFF output.
24 O-PLL CLK O PLL IC clock output.
25 I-TM BASE I Reference clock input for timer switch.
26 O-CD CLOSE O CD tray close data output. (Not used)
27 O-CD OPEN O CD tray open data output. (Not used)
28 VEE — Power supply for FL display.
29 O-STB (DSP) — Not used.
30 O-K-SCAN O Initial scan output.
31 O.PLL_CE O Tuner PLL IC chip enable output.
32 NC — Not connected.
33 G10 O FL grid output (G10).
34 G9 O FL grid output (G9).
35 G8 O FL grid output (G8).
36 G7 O FL grid output (G7).
37 G6 O FL grid output (G6).
38 G5 O FL grid output (G5).
39 G4 O FL grid output (G4).
40 G3 O FL grid output (G3).
41 G2 O FL grid output (G2).
Description Pin No. Pin Name I/O
IC DESCRIPTION
IC, M38B57MCH - E249FP