Sharp CD-DVD500 - I;O Expander ICs (IC702;181) Details

CD-DVD500
– 80 –
Input/OutputPort Name Terminal Name
1 VSS –– GND
2 DATA Input Serial data input.
3 CLOCK Input Shipt clock of data.
4 LCK Input Latch clock of data.
5 Q0 T_SOL B Output TAPE 2 Solenoid control.
6 Q1 T_SOL A Output TAPE 1 Solenoid control.
7 Q2 T_MOTOR Output Tape motor control.
8 Q3 PLAY_FWD LED Output Play forward LED.
9 Q4 STOP LED Output Stop LED.
10 Q5 L+ Output
11 Q6 L- Output
12* Q7 N.C. — —
13* Q8 CD DISC 1 LED Output CD Disc 1 LED.
14* Q9 CD DISC 2 LED Output CD Disc 2 LED.
15* Q10 CD DISC 3 LED Output CD Disc 3 LED.
16* Q11 PLAY_REV LED Output Play reverse LED.
17 OE Input Output enable.
18 VDD Input Power.
Pin No.
IC702 VHiBU2092F/-1: Input/Output Expander (BU2092F)
1 VSS — GND
2 DATA Input Serial data input.
3 CLOCK Input Shipt clock of data.
4 LCK Input Latch clock of data.
5 Q0 C-SPRLY Output Center speaker relay control.
6 Q1 S-SPRLY Output Surround speaker relay control.
7 Q2 SW-SPRLY Output Subwoofer speaker relay control.
8 Q3 2 ch/6 ch-RLY Output Speaker control.
9 Q4 SW-MUTE Output Subwoofer mute control.
10 Q5 T_BIAS Output Tape record bias.
11 Q6 T_T 1/T 2 Output Tape T 1/T 2 change.
12 Q7 REC/PLAY Output Tape Rec/Play change.
13 Q8 FAN CONT Output Fan control.
14 Q9 -11 dBATT Output -11 dB attenuator.
15 Q10 N.C. — —
16 Q11 DD RESET Output Dolby decorder reset.
17 OE Input Output enable.
18 VDD Input Power.
IC181 VHiBU2092F/-1: Input/Output Expander (BU2092F)
Function
Input/OutputPort Name Terminal Name
Pin No.
Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.