Onkyo A-8850 Service Manual

CHASSIS
EXPLODED
VIEW
PARTS
LIST
REF. NO.
AOOt
A002
A006
A009
A010
AOI]
A012
A013
AOl4
AOI6
A017
A020
A022
A023
A024
A026
A030
A035
A038
A039
A042
A043
A044
A045
A047
A049
AOS!
A303
A304
A305
A306
A500
(A511)
(A512)
(A5 16)
(A518)
(A519)
(A520)
(A523)
(A524)
(A801)
(A805)
(A806)
(A807)
A808
A500
(A511)
(A512)
(AS 18)
(A519)
(A523)
(A801)
AS03
A505
A631
A632
A633
A636
A810
A810
PART NO.
27110588-1C
27270212
27121483A
28140859
28140695
27130622A
27130623
27130624
27130656A
27190846
27130627
27300833
27300750
27270213
27301394
27160284
28140808
800529
82143006
801433
834430088
831130088
830440109
801230
838440089
831430088
837440169
28184464
27265 155A
28140695
28140693
1A299121
27265219
27265224A
28198742
27265223
27265220-3A
28198742
27265221-3
28135199
28324082A
28191568
28198753
28198742
28199190
1A300121
27265219-1
27265224-3A
27265223-3
27265220-4
27265221-4
28324414
28185359
28185360
27170271
27170272A
28141024
27175251
28324083A
28324413A
DESCRIPTION,
FRONT BRACKET
SPACER
BACK PANEL
60 x 20 x 1.5T, CUSHION
25 x 240 x 1.5T, CUSHION
BRACKET (SHIELD)
BRACKET (L)
BRACKET (R)
BRACKET (C)
HOLDER (CAPACITOR)
BRACKET (EQ)
WS-2NS, CRAMP
#2271, BUSHING (AC CORD)
SPACER (PT)
HL-18-0, CRAMP
RADIATION
50 x 50 x 3T, CUSHION
BUSHING (PC)
3P+6FN(BC), PAN-HEAD SCREW
3SMS8WSW+14B(BC), SPECIAL
TAP-TIGHT SCREW
3TTS+8B(BC), TAP-TIGHT SCREW
3TTW+8B, TAP-TIGHT SCREW
4TTC+10C(BC), TAP-TIGHT
SCREW
3STS+8BQ(BC), TAP-TIGHT
SCREW
4TTB+8C(BC), TAP-TIGHT SCREW
3TTW+8B(BC), TAP-TIGHT SCREW
4TTT+16C(BC), TAP-TIGHT
SCREW
TOP COVER
COSMETIC RING (COVER)
25 x 240 x 1.5T, CUSHION
10 x 185 x 1.ST, CUSHION
FRONT PANEL ASS’Y [BLK]
COSMETIC RING (L) [BLK]
COSMETIC RING ASS’Y (SEL)
[BLK]
FACET
COSMETIC RING (D) [BLK]
COSMETIC RING (R) [BLK]
FACET
COSMETIC RING (VOL) [BLK]
NAME PLATE
KNOB ASS'Y (POW) [BLK]
CLEAR PLATE (RE)
FACET
FACET
FILM
FRONT PANEL ASS’Y [SIL]
COSMETIC RING (L) [SIL}
COSMETIC RING ASS’Y (SEL)
{SIL}
COSMETIC RING (D) [SIL]
COSMETIC RING (R) [SIL]
COSMETIC RING (VOL) {SIL}
KNOB ASS’Y (POW) [SIL]
SIDE BOARD (L)
SIDE BOARD (R)
BOTTOM BOARD (L)
BOTTOM BOARD (R)
20 x 240 x 2.5T, CUSHION
LEG ASS’Y
KNOB (VOL) [BLK]
KNOB (VOL) [SIL]
REF.
ABII
A8il
A8i2
A812
A813
A813
A814
A814
A815
A815
Q611
Q613
AT901
$101
$281
POOS
A\ pool,
A\p903
(F901
F902
UOoOt
U002
U004
U00S
U006
U007
U008
Uu009
U010
UOoll
U0I2
U013
U014
UOIS
U016
-11-
NO.
, Q612
, Q614
P902
PART NO.
28324407
28324409
28324408
28324410
28324086
28324416
28324411
28324412
28324088A
28324417
2201793 OR
2201796 OR
2201794
2201803 OR
2201806 OR
2201804
2300715
25030348
25030349
25060044
25050337
253148 OR
253150
252075
252076
1A299509-2A
1A299510-2A
1A299512-2A
1A297513-2
1A297514-2D
1A297515-2A
1A297517-1
1A2975 18-2
1A297519-2
1A297520-2
1A297521-2
1A297522-2
1A297523-2
1A297524-2A
1A299525-2A
A-8850 #
DESCRIPTION,
KNOB (SEL) [BLK]
KNOB (SEL) [SIL]
KNOB (D) [BLK]
KNOB (D) [SIL]
KNOB (SP) [BLK]
KNOB (SP) {SIL}
KNOB (TONE) [BLK]
KNOB (TONE) [SIL]
KNOB (PUSH) [BLK}
KNOB (PUSH) [SIL]
2SA1493-O OR
2SA1493-P OR
2SA1493-Y, TRANSISTOR
2SC3857-O OR
2SC3857-P OR
2SC3857-Y, TRANSISTOR
NPT-1118P, POWER
TRANSFORMER
NRSF-102-20BU, SWITCH
OPERATION SECTION
NRSE-104-20BU, SWITCH
OPERATION SECTION
TERMINAL (GROUND)
NSCT-2P 164, AC SOCKET
AS-CEE OR
AS-CEE, POWER SUPPLY CABLE
2.5A-SE-EAK, FUSE)
3.15A-SE-EAK, FUSE
NAAF-4209-2A, MAIN CIRCUIT PC
BOARD ASS’Y
NAETC-4210-2A, SPEAKER
TERMINAL PC BOARDASS’Y
NASW-4212-2A, INPUT CIRCUIT PC
BOARD ASS’Y
NAPS-4213-2, POWER SUPPLY
CIRCUIT (1) PCBOARD ASS’Y
NAETC-4214-2D, POWER SUPPLY
CIRCUIT (2) PC BOARD ASS’Y
NADG-4215-2A,
MICROPROCESSOR CIRCUIT
PC BOARD ASS’Y
NAAF-4217-1, VOLUME & DIRECT
SWITCHCIRCUIT PC BOARD
ASS’Y
NAAF-42 18-2, MUTING/SUBSONIC
SWITCH PC BOARD ASS’Y
NASW-4219-2, TONE CONTROL
CIRCUIT PC BOARDASS’Y
NADIS-4220-2, PHOTO RECEIVING
CIRCUIT PC BOARD ASS’Y
NASW-4221-2, SPEAKER SWITCH
CIRCUIT PC BOARD ASS'Y
NADIS-4222-2, LED PC BOARD
ASS’Y
NADIS-4223-2, LED PC BOARD
ASS’Y
NAETC-4224-2A, REMOTE
CONTROL TERMINAL PC BOARD
ASS’Y
NAETC-4225-2A, TUNER TERMINAL
PC BOARDASS’Y

Onkyo A-8850 Specifications

General

Input Sensitivity (MM)	2.5 mV
Total Harmonic Distortion	0.008%
Input Sensitivity	150 mV (line in)
Dimensions	435 x 171 x 398mm (W x H x D)
Damping Factor	50
Signal to Noise Ratio (MM)	80 dB
Speaker Load Impedance	4 ohms minimum
Speaker Impedance	4Ω-16Ω
Tone Control	Bass, Treble