Aiwa XP-SP90, Service Manual

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20
Pin Name
IC DESCRIPTION
IC, CXP83417-159Q
1 PWM0 O Disk rotation control PWM output.
2 CS O EEPROM CS output.
3 SWCL I Open/close detection terminal. “L” when close.
4 ESENS I EASS sens/EEPROM data input.
5 ELAT O EASS latch output.
6 ECLK O EASS clock/EEPROM clock output.
7 EDATA O EASS data/EEPROM data output.
8 SQCK O SQSO read clock output.
9 SUBQ I SUBQ serial input.
10 XRST O CD reset output. “L” when reset.
11 SW RH I Hold switch input. “L” when hold on.
12 XCLK O Serial data transmit clolk output for CD DSP.
13 XLAT O Serial data latch output for CD DSP.
14 XDATA O Serial data output for CD DSP.
15 XSENS I Sens input from CD DSP.
16 CHRG O Charge control output.
17 DSCHRG O Discharge control output.
18 POFF O System power supply ON/OFF control signal. “L” when on.
19 STANDBY O HP amplifier power supply ON/OFF control signal. “H” when on.
20 ACIN I External AC power supply detection terminal.
21
VDIN I
Internal AC power supply detection terminal.
22 BEEP O Beep sound output.
23 VZRL I Not sound detection input.
24 K-RMC I Wired remote contoller key input.
25 NC — Not connected.
26 NC — Not connected.
27 K-OTH I Function key input.
28 RESET I Reset terminal.
29 EXTAL I
Connected to oscillation.
30 XTAL O
31 VSS — Connected to GND.
32, 33-35 VL, VLC3-1 — LCD drive voltage setting terminal.
36-39 COM 0-3 O LCD commom output 0-3.
40-59 SEG0-19 O LCD segment output 0-19.
60 DO-ON O Digital out ON/OFF output. “L” when ON .
61-63 NC — Not connected.
64 LCPWR O L/C power supply control. “H” during step.
65 RMDATA O Data output for remote controller LCD.
66 AMUTE O Audio mute output. “H” when mute.
67 DSLON O Outpout “H” when DSL is ON. (for HP amplifier ATT)
68
______________
EASON O Output “L” when EASS is ON.
Description
Pin No.
I/O