Onkyo A-7 Service Manual

BOARD VIEW
EQUALIZER/TONE
AMP.
PC
BOARD
(NAAF-375a)
ee ae I ee el
CIRCUIT NO. STOCK NO. DESCRIPTION EG eUPMOISERNG, GESCRIDLON CIRCUIT NO. STOCK NO. DESCRIPTION
3210668. 28A841 (GR) jetta ae | C501,¢502 352782211 | 220uF SOV. EL
vaos gute HOG, BAe poueeam,, Deot,ps0z daeois — waaso OTE ote. ff a
Q205,Q206
d51q666
%
IsaRd1
(BL)
Of
Equalizer
Amp.
D701—D704
ae
a
ERD
bt
ae
er
scr
oe
Me
Q207,Q208
3315676
%
Secieal
(pry
Equalizer
Amp.
D705,D706
223802,
181885
C707
352744701
4
7uF
16V
EL
223801 ° 10D1
Q209,
Q210
eeeee
or
281318
(Q)
or
Equalizer
Amp.
Resistors
|
2211043
28C1318
(R)
Capacitors
:
5148013
:
$3
211,Q212
2211052
284720
(Q)
eanayeek
peeoas
R305
are
N16RGL250KMN30O,
Variable,
BALANCE
ms
2211053"
SSA720.GR).
OP
ea
ANSE
nee
©303,C304
320480227
2.2uE
—
50V
LD
R503,
R504
441521514
1500hm
1/2W
Metal
Oxide
Film
/.a0
2210665,
=
2SA841
(GR)
C203.C204
4.
R701
441622014
200ohm
1W
Metal
Oxide
Film
Q301-9304
2210666,
=
2SA8d1
(BL)
Differential
Amp
C305,c300,
eS
ey
EE
R711,R712
441623914
3900ohm
1W
Metal
Oxide
Film
2210416
5
2SA726(F)
9.
C211,C212
390883317
330uF
50V.
SLD
R713
441721824
1.8kohm
2W
—
Metal
Oxide
Film
Pi
Geee..
SECC
RS
€213,C214
374124724
4700pF
45%
SOV
DE
Fae
305
374125624
S600pF
+5%
50V
ODE
witches
teehee
<22t0gTee
DSc
lesl
(BE)
c
1
UAEvR:
ou
Gis
eae
$301~$305
25035039
NPS-542-L04
Push
2200663
2S8C1626
(O)
sa
374121534
O.015uF
+5%
SOV
DE
Q501
or
or
Rectifier
C219,
C220
2200664
28C1626
(Y)
C225,
C226
|
Relay
2200673
2SA816
(0)
cia
2.60
390480107
uF
50V.
LD
hiSai
Ores
NRS2P5A-DC12
Q502
or
or
Rectifier
<-
C317,C318
er00aI
A
easly)
C315,C316
352722211
220uF
63V
EL
27300059
Ground
Plate
ee
ae
a
C319,C320
390480477)
4.7uF
SOV
LD
27150049
Shielded
Plate
701~
545.
O.15uF
+10%
sov
DE
OID
ie
0703:
Fs
ae
og
28C828A
(0)
Protector
C321,C322
3741215
u
2210362
2SC828A
(R)
fae
ae
ac
BSCS
AWD:
ene
DE:
Non-Inductive
Polyester
Film
Capacitor.
.
LD,
SLD:
Low
Leakage
Current
Type
Electrolytic
Capacitor.
NOTES:
When
replacing
differential
amplifier
or
push-pull
amplifier
transistors,
be
sure
that
transistors
of
one
channel
have
ST:
Polystyren
Film
Capacitor.
the
same
hg
ratings.
EL:
Electrolytic
Capacitor.

Onkyo A-7 Specifications

General

Brand	Onkyo
Model	A-7
Category	Amplifier
Language	English