Onkyo TA-2800

BLOCK DIAGRAM
SEARCH AMP
P.B AMP BIAS P.B DOLBY. DECODER Q303
Q160 TRAP LEVEL Q101
COMPUTER
“bot |
HEAD
METER. AMP
——— OTP.T R501 Q501 Q722
: Pa} E=
CTOR LINE a
AMP R235 OUT
TAPE Q 215 BUFFER
iy
DIN.
AMP
Q2i1
—]
~~]
0217
AN Q213 © _ >
D SOURCE
HEAD.PHONE | AMP
OUT MICRO I Q301
COMPUTOR > 6)
a OUT
RISS RIS DOLBY ENCODER REC CAL BIAS
DIN a201 Q203 REC AMP
DINE R4O7 AM TRAP
DIN:
Ny
C
|
Q401_
R413
__
2403
L407
—oTp3
oo ssc
Bo Heap
Q151 MPX
BUFFER
IN FILTER
5 ee veel es _
LINE
—
%
&
O
© LINE
MUT
Q221 ;
oO
Cc
—
xc
© S
0
Sx
Oo
TAPE
SELECTOR
BIAS
OSC
ACCU
R467
Q427.Q428 Z401 Q415, Q41
.
|
<f§
LEVEL
R339
MICRO COMPUTER
ACCU D/AOUT
MICRO COMPUTER
ACCU BUS
ERASE
MECHA SW
HEAD | BALANCE
R337
ACCU SW
Q308 ,0309
ACCU OSC car ow
400Hz:12KHz
RC-125T
REMOTE
CONTROL
—12
OPERATION
Q701
Q501
REAL TIME COUNTER
Q722
—q—
D901~D904
MICRO COMPUTER
MICRO COMPUTER _
RI REMOTE
CONTROL
| | MECHA
—
?
NO
©
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©