Onkyo TX-DS494 Service Manual page 8

EXPLODED VIEW PARTS LIST-3
REF. NO. PART NO. DESCRIPTION
U11 1A899547-1A NAETC-7047-1A, Tone control PC board ass'y <DD>
1A899547-1B NAETC-7047-1B, Tone control PC board ass'y <PP>
1A899547-1C NAETC-7047-1C, Tone control PC board ass'y <PA,GT>
1A899547-1D NAETC-7047-1D, Tone control PC board ass'y <WT,WR>
1A899547-1F NAETC-7047-1F, Tone control PC board ass'y <490>
U12 1A899548-1A NAETC-7048-1A, Holder PC board ass'y <DD>
1A899548-1B NAETC-7048-1B, Holder PC board ass'y <PP>
1A899548-1C NAETC-7048-1C, Holder PC board ass'y <PA,GT>
1A899548-1D NAETC-7048-1D, Holder PC board ass'y <WT,WR>
1A899548-1F NAETC-7048-1F, Holder PC board ass'y <490>
U13 1A899549-1A NADG-7049-1A, DSP circuit PC board ass'y <DD>
1A899549-1B NADG-7049-1B, DSP circuit PC board ass'y <PP, WR,WT, PA, GT>
1A899549-1C NADG-7049-1C, DSP circuit PC board ass'y <490>
U14 1A899550-1A NAAF-7050-1A, Input terminal PC board ass'y <DD>
1A899550-1B NAAF-7050-1B, Input terminal PC board ass'y <PP>
1A899550-1C NAAF-7050-1C, Input terminal PC board ass'y <PA>
1A899550-1D NAAF-7050-1D, Input terminal PC board ass'y <WT>
1A899550-1F NAAF-7050-1F, Input terminal PC board ass'y <490>
1A899550-1G NAAF-7050-1G, Input terminal PC board ass'y <GT>
1A899550-1H NAAF-7050-1H, Input terminal PC board ass'y <WR>
U15 1A899551-1A NAPS-7051-1A, Primary circuit PC board ass'y <DD>
1A899551-1B NAPS-7051-1B, Primary circuit PC board ass'y <PP>
1A899551-1C NAPS-7051-1C, Primary circuit PC board ass'y <PA>
1A899551-1D NAPS-7051-1D, Primary circuit PC board ass'y <WT>
1A899551-1F NAPS-7051-1F, Primary circuit PC board ass'y <490>
1A899551-1G NAPS-7051-1G, Primary circuit PC board ass'y <GT>
1A899551-1H NAPS-7051-1H, Primary circuit PC board ass'y <WR>
U16 1A899552-1A NASW-7052-1A, Power switch PC board ass'y <DD>
1A899552-1B NASW-7052-1B, Power switch PC board ass'y <PP>
1A899552-1C NASW-7052-1C, Power switch PC board ass'y <PA>
1A899552-1D NASW-7052-1D, Power switch PC board ass'y <WT>
1A899552-1F NASW-7052-1F, Power switch PC board ass'y <490>
1A899552-1G NASW-7052-1G, Power switch PC board ass'y <GT>
1A899552-1H NASW-7052-1H, Power switch PC board ass'y <WR>
U17 25137053 NCETC-7053 PC board for Holder
U18 1A899554-1A NAETC-7054-1A, Primary terminal PC board ass'y <DD>
1A899554-1B NAETC-7054-1B, Primary terminal PC board ass'y <PP>
1A899554-1C NAETC-7054-1C, Primary terminal PC board ass'y <PA>
1A899554-1D NAETC-7054-1D, Primary terminal PC board ass'y <WT>
1A899554-1F NAETC-7054-1F, Primary terminal PC board ass'y <490>
1A899554-1G NAETC-7054-1G, Primary terminal PC board ass'y <GT>
1A899554-1H NAETC-7054-1H, Primary terminal PC board ass'y <WR>
U19 1A899555-1A NAPS-7055-1A, Regulator circuit PC board ass'y <DD>
1A899555-1B NAPS-7055-1B, Regulator circuit PC board ass'y <PP>
1A899555-1C NAPS-7055-1C, Regulator circuit PC board ass'y <PA>
1A899555-1D NAPS-7055-1D, Regulator circuit PC board ass'y <WT>
1A899555-1F NAPS-7055-1F, Regulator circuit PC board ass'y <490>
1A899555-1G NAPS-7055-1G, Regulator circuit PC board ass'y <GT>
1A899555-1H NAPS-7055-1H, Regulator circuit PC board ass'y <WR>
DESCRIPTION
REF. NO. PART NO.
U20 1A899556-1A NAETC-7056-1A, Video terminal PC board ass'y <DD>
1A899556-1B NAETC-7056-1B, Video terminal PC board ass'y <PP>
1A899556-1C NAETC-7056-1C, Video terminal PC board ass'y <PA>
1A899556-1D NAETC-7056-1D, Video terminal PC board ass'y <WT>
1A899556-1F NAETC-7056-1F, Video terminal PC board ass'y <490>
1A899556-1G NAETC-7056-1G, Video terminal PC board ass'y <GT>
1A899556-1H NAETC-7056-1H, Video terminal PC board ass'y <WR>
U21 1A899557-1A NAAF-7057-1A, Multi channel input terminal PC board ass'y <DD>
1A899557-1B NAAF-7057-1B, Multi channel input terminal PC board ass'y <PP>
1A899557-1C NAAF-7057-1C, Multi channel input terminal PC board ass'y <PA>
1A899557-1D NAAF-7057-1D, Multi channel input terminal PC board ass'y <WT>
1A899557-1F NAAF-7057-1F, Multi channel input terminal PC board ass'y <490>
1A899557-1G NAAF-7057-1G, Multi channel input terminal PC board ass'y <GT>
1A899557-1H NAAF-7057-1H,,Multi channel input terminal PC board ass'y <WR>
U23 240134 or TFCE1U114A or
240138A ENG06501QR <DD, 490>
240135 or TFCE1E512A or
240139A ENG07501Q <PP, WT, WR, PA, GT>
[NOTE]
<DD> : 120V model only
<DT> : Asian model only for 120V
<GT> : Asian model only for 230V
<PP> : European model only
<WT> : World wide model only
<WR> : Chinese model only
<494> : TX-DS494 only
<490> : HT-R490 only
<B> : Black model only
<S> : Silver model only
<G> : Golden model only
TX-DS494/HT-R490