Technics SA-DA10 Service Manual

file:///C|/Documents%20and%20Settings/Administrateur/Mes%20documents/service/SA-DA10/p16.htm
8 Terminal Functions of ICs
TOP PREVIOUS NEXT
IC901 (M38B57MCA242) MICRO PROCESSOR
Pin No. Mark I/O Function
1~2 KEY2~KEY1 I Key Input 1~2
3 THERM/OVLD I Thermal/Over load input
4 KEY 4 I Key Input 4
5 OVERLOAD2 I Thermal/Over load input 2
6 FMST I Stereo signal detect terminal
7 WAKE - Wake up timer LED (Not used, open)
8 RDS DI - Control of RDS IC(Not used, open)
9 REMOTE I Remote control terminal
10 RESET - Reset detect terminal
11 RDS CK - Control of RDS IC (CK) clock signal (Not used, open)
12 RDS DT - Control of RDS IC (DT) data signal (Not used, open)
13 GND - GND terminal
14 XIN I Crystal oscillator terminal (4 MHz)
15 XOUT O Crystal oscillator terminal (4 MHz)
16 VDD (+5V) - Power supply terminal+5V
17 LED CK O LED driver IC (CK) clock signal
18 LED DATA O LED driver IC (DT) data signal
19 SFC1 I SFC mode encoder input 1
20 SFC2 I SFC mode encoder input 2
21 SEL1 I Selector encoder for input 1
22 HOLD I Blackout detection terminal
23 SEL2 I Selector encoder for input 2
24 D.PASS O DSP signal selector
25 RLY O Relay control output
26 LOUDNESS O Loudness control output (Not used, open)
27 - - Not used
28 VEE - Power supply for FL driver
29 S/C SP O Surround/Center speaker control output
30 SP B O Speaker B control output
file:///C|/Documents%20and%20Settings/Administrateur/Mes%20documents/service/SA-DA10/p16.htm (1 of 2) [21/01/2007 13:47:13]

Technics SA-DA10 Specifications