Onkyo A-905TX, Service Manual

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A-905TX
CHASSIS EXPLODED VIEW PARTS LIST
############
REF NO. PART NO. DESCRIPTION REF NO. PART NO. DESCRIPTION
A1 27111123 Front bracket P402 27190011 KGLS-6S, Holder
A10 838130088 3TTB+8B, Self tapping screw P584A 880009 Plastic rivet, NRP-345 <PT>
A11 838430088 3TTB+8B(BC), Self tapping screw P701 27191106 UAMS-05S-2, Holder
A13 28198862 Facet, VOL P801 25055436 or NPLG-2P418, Shorted plug
A16 27100375D Chassis 25055945
A25 27160451B
27160452B
A26 29110083 Adhesive tape, CROSS-16U Q523,Q524 2202303 or
*
2SC4512-O or
A27 801525 3TTB+8B(BC), Special screw <PT> 2202304 or
*
2SC4512-Y or
838430088 3TTB+8B(BC), Self tapping screw <DT> 2202305
*
2SC4512-P, Transistor
A28 801433 3SMS8W.SW+14B(BC), special screw Q525,Q526 2202313 or
*
2SA1726-O or
A34 27141530A Retainer, HS-2 2202314 or
*
2SA1726-Y or
A40 27300750 Bussing cord 2202315
*
2SA1726-P, Transistor
A41 27122831 Rear panel <DT> Q527,Q528 2212654 or
*
2SC3421-Y or
27122832 Rear panel <PT> 2212653
*
2SC3421-O, Transistor
A43 830440089 4TTC+8C(BC), Self tapping screw
A46 28184759-1
A47 29362571 Label, WARNING <DT,PT>
2301423 NPT-1374D, Power transformer <DT>
A49 838930088
Heat sink <DT> P901 253277MIL AS-UC-2#18, Power supply cord <DT>
Heat sink <PT> 253193HIT AS-CEE, Power supply cord <PT>
Top cover
T901
3TTB+8B(UN), Self tapping screw
2301424 NPT-1374P, Power transformer <PT>
A50 838430107 3TTB+10S(BC), Self tapping screw
U1 1A905530-4B NADG-6630-4B, Main circuit PC board ass'y <DT>
A51 27212298 Front panel
1A905530-4C
NADG-6630-4C, Main circuit PC board ass'y <PT>
A52 28198894 Facet 7P
U2 1A905531-4B NAAF-6631-4B, Preamplifier circuit PC board ass'y <DT>
A53 28198895 Facet 1P
1A905531-4C NAAF-6631-4C, Preamplifier circuit PC board ass'y <PT>
A54 28198925 Facet A
U3
1A905532-4B
NAAF-6632-4B, Acoustic circuit PC board ass'y <DT>
A55 27268037 Guide A
1A905532-4C NAAF-6632-4C, Acoustic circuit PC board ass'y <PT>
A56 28325133 Knob, FM
U4
1A905533-4B
NAPS-6633-4B, Power supply circuit PC board ass'y <DT>
A58 28191798 Clear plate, RE
1A905533-4C
NAPS-6633-4C, Power supply circuit PC board ass'y <PT>
A61 28325926 Knob, INPUT
U5 1A905534-4B NADIS-6634-4B, Display circuit PC board ass'y <DT>
A63 28135247Y Badge
1A905534-4C
NADIS-6634-4C, Display circuit PC board ass'y <PT>
A64 28325925 Knob, VOL
U7 1A905536-4B NAETC-6636-4B, Speaker terminal PC board ass'y <DT>
A65 28325674 Knob, TD
1A905536-4C NAETC-6636-4C, Speaker terminal PC board ass'y <PT>
A66 28325927 Knob, TONE
U8
1A905537-4B
NAETC-6637-4B, Terminal PC board ass'y <DT>
A67 28325673 Knob, POWER
1A905537-4C NAETC-6637-4C, Terminal PC board ass'y <PT>
A73 27175323 Leg AS
U9 1A905539-4B NAETC-6639-4B, Power switch PC board ass'y <DT>
A81 29362630 Label, PROCESSOR
1A905539-4C
NAETC-6639-4C, Power switch PC board ass'y <PT>
F901 252158 1.6A-UL/T-237, Fuse <DT>
U10 1A905540-4C NAETC-6640-4C, Fuse PC board ass'y <PT>
252069 0.8A-SE-EAK FSBFUSE, Fuse <PT>
F902-F904 2.5A-SE-EAK FUSE <PT>
NOTE:
<DT> : Asian model only for 120V
<PT> : Asian model only for 230V
NOTE: THE COMPONENTS IDENTIFIED BY MARK
ARE CRITICAL FOR RISK OF FIRE AND
ELECTRIC SHOCK. REPLACE ONLY WITH
PART NUMBER SPECIFIED.
CAUTON :
Replacement of the transistor of mark * ,if necessary,
must be made from the same beta group(H
FE
) as the
original type.
252075
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