Onkyo P 3090 Service Manual

Page 1

ONKYO® SERVICE MANUAL

SUPER SERVO
STEREO PREAMPLIFIER
MODEL P-309O

I" (fix 133 1., E3 (I) f: (:3 (I) IJ"I EEC IJ "I SEE

ITEM PAGE
Expioded view 2
Block diagram 4
Schematic diagram 5
Parts list 7
Printed circuit board-parts list 11

[ONKYQ]
Allllln BUMPIINENIS

Page 2

EXPLODED VIEW

REF. NO. PARTS N0

._.

12488121
(Include 2 to
27210332
273004008
273003990
28125082
28125083
27267083
27267081
27267080
27190090
27267082
28198546
28198537
834130102

28320479

cocoammhcocom

.-»_-.--
N»O

13.28

..
4;

DESCRIPTION

Front panel assy
12, 21, 22 and 26)
Front panel 8
Bearing L

Bearing R

End cap L

End cap R

Guide, push
Guide. selector
Guide. power
Holder. LED
Guide. LED

Facet A

Facet B
3STS+103¢
Tapping screw
Knob. push

REF. NO.

15
16
17
18

26
28

-2-

PARTS NO.

28320474
28320473
272200150
272200148
27180049
27220016
N1%0%
27190088
12791578

12791580
12791579

225063
831130082

DESCRIPTION

Knob, selector
Knob. power
Slider, selector
Slider. power
Spring 6

Slider B

Holder. selector
Holder, power
NAPL-978. Lamp pc
board oss'y
NAPL980, Lamp pc
board assy
08013-979. Displav
pc board ase'y

LED

3ST$+ 830. Tapping
screw