Technics SU-V300M2

Pin
No.
Terminal
Name
I/O Function
17
V
CC
I Power supply terminal
18 RESET I System reset signal input
19 P30/INT0 I Back up detect signal input
20 P31/INT1 - Not used, connected to GND
21 P32/
CNTR0
I
Power switch signal input / (Not
used, connected to GND)
22 P23/
CNTR1
- Not used, connected to GND
23 P40 O Strobe signal output for input
selector
24 P41 O Clock signal output for input
selector
25 P00 O Data signal output for input
selector
26 P01 O Speaker A select signal output
27 P02 O Speaker B select signal output
28 P03 O LED (SPEAKER A) drive signal
output
29 P04 O LED (SPEAKER B) drive signal
output
30 P05 - Not used, connected to GND
31 P06 - Not used
32 P07 O Audio muting control signal
output
15. Replacement Parts List
Notes:
- Important safety notice:
Components identified by mark have special characteristics
important for safety.
Furthermore, special parts which have purposes of fire-retardant
(resistors), high-quality sound (capacitors), low-noise (resistors),
etc. are used.
When replacing any of components, be sure to use only
manufacture’s specified parts shown in the parts list.
- The <IA> <IB> <IC> <ID> <IE> marks in Remarks indicate language
of instruction manual.
<IA>: English, Spanish, Swedish
<IB>: Russian, Polish, Czech
<IC>: German, Italian, French
15