Technics SX-KN1600 - Page 34

MAIN CIRCUIT
B
E
j TR
3
=
+VCC
cNi A
jE i}
mae
D20
FAJ| Tavec[af—>— Matto
[APOF
[5
|}
_
ra
|
td
i
[SNS [7] o-O
p12 D14 DI7
MAIO MATIO MAIO
vr
Ld -
2d elalee| 88
of Ba“fa: Fe i Min,
2 +D Bd be
A ot G ae od
Y ituae *
vcc
Ic3D
GND
4
IC3 IC3B
TC7W14F
ag INVERTER i =
28C1815GR
+5D
D16 MA110 1c17
BA10393F
COMPARATOR
Qi +5D I _
2SD601AQ a
poy
Q3 3 =
ci 2SB709AR = t—
28 837 3h
DATA [3 } 4
gre CA a a8 ae Es 45D
SERS Ta 3
Psw [6] =x Q4 +5MI <]
[£7] Ics ag 2SB709AR x
BRS3LCS56RFE2 &
1K BIT PROGRAMMED =
EEP ROM 45D RESET
A CONTROL} Q6
EEP.CS2 1 8 2SB709AR
2 roe eae = 2 :
6 ne.
EEPDO
4
so"
Big
a
; Nix
Sk Qs
ad 2SD601AQ
V
+5D
R50
4.7K Pe
45D J =
cN3
etl
CHECK
aL
heotele
:
TERMINAL
|LED]
3]
:
[50 [4}—> 45D —