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Top View - Onkyo A-7 Service Manual

Integrated stereo amplifier
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COMPONENT
LOCATION
21 22
PARTS
LIST
REF.NO.
STOCK
NO.
]
12829576A
2
12829575A
3
12838573
4
128385741
5
128385742
6
2200592 or
2200593
7
2200582 or
2200583
8
27150048
9
230187
10
3504097
11
25035050
12
5104041
13
25030073
14
25055015
15
25045029
16
25045025
17
250170
18
25045022
19
25060008
20
25060023
21
25050004
22
252020
23
3504012
TP
Universal Model
DESCRIPTION
Main Amp. P.C.B. NAMA-376a
Rectifier/Preamp P.C.B. NAAF-375a
Switch P.C.B. NATM-373
Treble Control P.C.B. NATS-374 Part 1
Bass Control P.C.B. NATS-
374 Part 2
Power Amp. Transistor
28D426 (R) or 2SD426 (O)
Power Amp. Transistor
25B556 {(R) or 2SB556 (Q)
Shielded Plate
Power Transformer NPT-608D
Elect. Capacitor 25000uF 55V
Power Switch NPS-111-L15P
Variable Resistor
N35
DGR32C100KT30M, Volume Control
Rotary Switch
NRS-124-30Y,
Speaker Selector
Connection Bar
TAPE, PRE OUT, MAIN
IN
Terminal
TUNER/AUX
Input Terminal
NPJ-4PRBLO03
Phono Terminal NTM-2WPBL-E1
Tape Terminal NPJ-6PRBLO3
Ground Terminal
Speaker System Terminal
NTM-4PRMNO1
Fuse Holder with Cover
Speaker Fuse 5A-T
UL Capacitor 0.01uF 125V
TOP VIEW
REF. NO.
STOCK NO.
24
27160019
25
250249
26
27140122
27
27140123
28
2714008SA
29
27140157
30
25060025
31
27150055
32
27115014A
33
27110031
34
28140024
35
210015A
36
27120069
51
25050015
52
270025
53
253072
54
250080
-35
252049
31
a
a
54
51
52
53
2
USA Model
12
DESCRIPTION
Heat sink
Power Transistor Socket M-1614
Heatsink Bracket Left
Heatsink Bracket Right
Transistor Socket A
Transistor Socket B
7P Lug Plate
Shielded Plate
Side Bracket
Front Bracket
Cushion
6.3V 50mA Power Indicator Lamp
Back Panel
AC Outlet NSCT-6P01
Strainrelief SR-3P4
AC Cord AS-UC
AC Fuse Holder S-N1301
AC Fuse 4A ST-6
The Universal type differs from the UDN type (USA model) at the
following points.
9
11
23
36
51-55
61
62
63
230188
25035051
3500052
27120071
250186
25050018
252003
Power Transformer NPT-608ADGQ
Power Switch NPS-]21-L16P
IS Capacitor PME271 YSIOCEE
Back Panel
none
VS Socket S-17205-7
3P Inlet
Fuse 3A-T

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