Technics SH-4020

[>] Hi BLOCK DIAGRAM
Power frequency selector
S7
j Ov IC 1 50Hz 60H2
MN6076
Clock timer
5V/D!IV 5msec/cm (60Hz)
AC LINE
y
transformer
OFF-time adi. ]
;
j.
‘i Twin [a |
23
Timer ON ES Timing
output OFF EReset comparator
outlét
AC outlet selector
manual!
AC outlet ~_
selector | op
Ss6 ©
S4
nee
O
4 3
6500 |;
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S1 Mode selector
| : cH S1-1 cf
time set /
second set /
clock Go gig th AB ee fe rt at a ED BP OAS nae aa, ans Ea af
timer on. set
timer off set
sleep
OaBWND —