Schematic Diagram - Toshiba Sb-M20 Service Data

(TE, TU, AY MODEL)
C3
Leh eonBal, B35 35/50 mds
(Gy
AAA RA RE ee
L ch Signal
EE EE ESE TEES wl Noel LESS a TE EE ECESECTE
4
_ oO
©
als
a
PHONO
: a
-(m1Q
O1O
R!I4 68K
CON.
LOU
@) -——©
f 4,
@)" a)" |
D4 DS :
D2~D5 B30-0469-05x4
ER A a EE PAT, ET Eh
2SA992 (F,E ) 2SA1102(Q,Y)
2SAI284(D,E) 2SC257 7(@,Y) LA6458SS
2SCI845(E,F) |
2SC3244(D,E) 9
B
C
E
|
Switch (Position)
Sila : Tape Monitor Switch--~--------- Record
Slb > Aux Switch= === -=---SS Sees OFF
Sle: Tuner Switch= === --— == -s>= OFF
Sld :Phono Switch-------~------ ON
S2 :Loudness Switch-—---—--- == =<ON
S3a:Speaker A Switch----------- ON
S3b: Speaker B Switch----------- OFF
SO|: Power Switch-------------- OFF
sea :
a
SB-M20
Qi~Q4
2SA992(F,E) x4
BK 2$C3244(D,E) x23
10/25
aan
DS
RDI 8E(B2)
DIO
RDI 8E(B2)
ig)
POWER
SB-M20
5. SCHEMATIC DIAGRAM
Q5~Q8
2SCIB45(F,E)x4 QIl, Ql2
| x2 BASS
Q17,Q18
2SC2577(Q,Y)
TREBLE
R78 C50 c52
750 0.033 6800P
R95 C69
"C65~72 4700P
x3 R93~96 10x6
C7l
CAUTION:
The A mark, the symbol No. circled with oval in the schematic diagram and the shaded area in the parts list designate components which
have special characteristics important for safety and should by replaced only with types identical to those in the original circuit or specified —
in the parts list.
is
i
'
js
|
|
|