Onkyo TX-2500 Service Manual page 23

Hide thumbs Also See for TX-2500:
Table of Contents

Advertisement

TX-2500
CIRCUIT DIAGRAM
c =
O O
a
Q
AM
O
prcrr
coo
o nso
4
/
2
/
5
/
ste
mi wh i ea
o n d )
125A722(S) or 2SAB41(GR)
Reser
(0-1)
REC-1
25C1328(S)
or 25C168110-
PLAY -1
- REC-2
ue
Wy PLAY-2
NAEQ- 346
{
|
I
1
{
(
1
|
|
|
|
1
I
|
|
28K55
Q2
280535
Q3 2S5C461
01
18-2687
ai
anon a
1Q301,0401
2
3
38014
R277 2.7K
1j2 3
5
sant
TUNING KNOB
NAIMS -345.
LOCK
OUTIAFC)
le
!
—_—+Fm acc
ly
PANT
AM
DENPH
fe GE ay Make
Sle spete pals
S
fa
Om
_
3
ei
Po aae
e
.
fy
is
QD ®
@
DO
OO 10090
0 BO gi as
ia 2SD23510) or {Y)
1905 25A726(F) or 25AS61lY)
Q902
2S$0235 (0! orlY)
Q903
2SC945 OP)
S174)
ws
~ bes @
x i K}
EV
ak Y) 0910 D911, ,
Rot
82072K)
C917
R913
:
1011/2.K)}
2.2750
ab
Tai T TaKv2 KI
sbcsz1 shc922
age D912
Fnor2 P2076
te
r———
RIGH
Wet
ek Se
Se
Se
Ss
PHONO LEFT e+
cao
ry
0067
H
C802 it
I
047
Pad)
R05
C405
vw
.
CAM
Seu, 22K
SBOPF IK)
PHONO RIGHT
GH4
TIN
ai
HPF K I OK
|
=]
8
SWITCH
|
$801 (SELECTOR)
1-AM,
2-FM,
3- PHONO
:
$802(TAPE
MONI TOR-1)
1-OFF,
2-ON
S803 (TAPE
MONITOR-2)
: 1-OFF,
2-ON
$804 (DOLBY
FM
ADAPTOR):
1-OFF,
2-ON
$805 (LOUDNESS)
: 120N,
2- OFF
$806 [MODE }
1- STEREO,
2-MONO
|
27+
Q47730
1K
C310
RIG
047/50
1K
C410
Reid
Q703
25C734(Y)
ne
0702
0701
ele®
D701,D702 1$1554
FM 1g WO)
0910,0911
181555
R
=a
D912
WZ192
0913,
1001 or 151885
BP
-
i
I
|
{
{
|
\
|
|
\
!
\
{
i
I
{
{
|
j
|
y
!
|
I
{
{
|
}
\
I
!
I
I
2
;
ab
$606
©
©®
®@
rete i ~~
NAAF-348"
$a0ea
me
0964
j
1
{
t
!
!
4
stl
aM am
--——
I
-
raw:
7
C910
|
ie
002/500
eyes
PL801- PL806
6.3V0.25A
21957 Prato
PL807 PLOIO
6.3V0.05A
TUNED
.
Lock
6
GqyEA09
=
PLa08
aire
RE
STEREO Om
=
!
-
4
Sie
GRAY
F901
| Jaogs,
Mex
APL
3alST-21
1
88tn
F902
3
j
SA
ac
®
|
i
F730 | 0908 jest
a
Q901
R903
002/500
H
2502357)
i
H
252K) o Q901
+)
0912
ww
4,
ee
SKIVIK) 1SVZK)
B a a p ale
|
D909H
Bins iO/2s
'
166045
ab2/500
?
{
|
j
SPEAKER-A
i
R
|
i
}
L
SPEAKER-8
0901-0904 ERDO3-02
R
D905,D906 10D20r1S1a86
|
0907,0908 10Dior1Si8e5
| x
0909
WZ130
ae
|
I
{
I
10
i
Be te
Se
oe
es | ptedvelgetapieriiy
|
0
0507,0'508,0607,0608
20
f
*
ie
250427(R) of (0)
ae ae
.
f—
meee
ee
+
'
I
I
|
!
|
|
!
1
]
|
I
I
1
350
L OUT
LIN
4
=
|
3K 1)
\
{
naotv2.K)
|
mse
i
!
1.8K11)
a
0735
csi6 oe
=
'
R702
Q701,Q702 _2SC733iGR)
|
82k
301-2502 0601,602, 25C16B110-Norl0-2) a60g,,
| R62]
,
eae
|
3.0603 2SA
or (32)
(*) Geoc;aeoe secouse
ae)
@
|
JE
KK) 05080605 256162510) orl)
Z
e e
ee
a e
702" { 0506,0606 2SA81S\Olor(Y) 247
aus
1 @®
a
ae
os01.o6o1 isisss
#67
)
I
|
Q601
602
0502 WZ- Le or -126(8)
1
TREBLE
:
D914 1001
or 151385
ard
:
ee
1
0607 -~<_
1
351.0451 25A722(S) or (T)
|
=
J
et 2SAB41(GR)
or (BL
!
peordz
Fa"
Q60
i
352.0452 2SC1328IT)
or 2SC168110-2)
|
|
0603
| é
ae
ee ee
oe ee
en
a
a
a a
es
a
es
ee
eee
I
!
ia
iS
{
$807 (HIGH FILTER)
—: 1-ON, 2-OFF
1
NADP-349
see
ne
5808 (MUTING LOCK)
EMSOND 220RF)
ce he
2
NOTES pec eA
eh Ps
ne ey Renee tee
ee
ede eee
ae
=
$810 (SPEAKERS)
$811 (HUM SENSOR}
$901 { POWER)
: 1-OFF,
2-A, 3-B, 6-A+B
> 1+HIGH, 2-NORMAL,
3-LOW
° VOLTAGE:
OTES
e ALL RES"STORS
ARE
IN OHMS,
1/.WATT
UNLESS
OTHERWISE
NOTEO.
e ALL CAPACITORS
ARE
IN yf.
SOWV
UNLESS OTHERWISE
NOTED.
eoELECTRCLYTIC
CAPACITORS
(—g=-) ARE
IN yF/ WV.
(MEASURED
WITH
V.T.V.M} (NO [INPUT SIGNAL },
232s

Advertisement

Table of Contents
loading

This manual is also suitable for:

Tx-4500

Table of Contents