Teac A-400 - Page 40

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Reoz 39k
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DOLBY IC UNIT
cise
1oo/25v CIRCUIT
REFNO. DESCRIPTION
©)L 9101/9201 2SC900(UA)
Q102/0202 2SC900(UA)
9103/9203 2SA750(E)
crass | Scant
») 27 (T.
©)R 0106/0206 2SC945(LK)
0107/0207 2SC945(LK)
Q108/0208 2SC945(LK)
7109/0209 2SC945(LK)
Q110/Q210 25C945(LK)
0711/0211] 250945 (LK)
gilz zscs0ojua)
113 25C900(UA,
0301 2SA539(L)
9302 2SC945{LK)
9303 25C945(LK)
Cus
O1/35V
0,0047/50V
Be
9
%
veoad
0.047/50V
cizi
3000P(J)
SOV
Ciz0
3300P/50V(N)
470/25V
1BOOP/50Vi J)
Ria4 680k
Rizs Ik
Riza 100k
cus Se
100 /28V
°
: :
S10.
R/P
SW
Q304
250471
: Q305 25C945(LK)
RECORD/PLAY HEAD . Q306 28C945(LK)
Q307 25C0945(LK)
9308 2SC945(LK)
Rus : SCR301 2PIM
R-CH
56k
:
PHONES
150K
($6)
se
Pa
a2
Ch Rite Cus Cia cise
4TOP/S0V 47k(SG} (SOV (DT) 220P/S0V 3.3/25V(LR)
S| ee
Q104 or CP
=
4.7k
sO/16V
O15/50Vi 5)
| oO.
Dioa
1S2473VE
0.022/50VI0)
0.015/50V (5)
cxs7
4
NOTES
1 Schematic diagram shown in the LEFT channel.
‘2 Schematic diagram shown in the STOP mode.
3 All resistors values in ohms, 1/4 watt, k=1,000 ohms,
4 All capacitors values in micro farads.
5 DC voltage readings were obtained under the following condition.
INPUT SIGNAL :NONE
MODE :RECORD
[DC MOTOR }
1 UNIT I
L 4
-
2IOP MAX
Vc302 yp 0 MAX
210P_MAX
2)0P_MAX
R304
100 Sw
R302 1.8k
>t
yoso4
2200/716V
22k I72W
1S2473VE
R328
w
0.001/50V
lo) wn
i?)
V3sV OT
C305
470/35V
I TOO/10V
C34
So ee
HEAD ur
2 | IC 301 6303
1000/35V
1000/25V
D3it Dsi2
IS2473VE _ 1S2473VE
is2a73 ve :
Q307 Q308
0.01/50V
dt
R309
680k
a me me ee ee ee OO 0 Om ee 0
29 26 27 26 24
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158 {
0.54
Vaz 1
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G40!
0.
120/400V
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DIAGRAM
FOR
DIAGRAM
FOR
DIAGRAM
FOR
DIAGRAM
FOR
STEREO
CAS:
JAPAN MODEL ONLY TCA MODEL ONLY EX MODEL ONLY : EUROPE MODEL ONLY 06-761 Ga-104|"P=* 8 re NO.
A-400
06-75
os-7.
Sooo «| TE a{c CORPORATION