COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL. MAKE LEAKAGE-CURRENT OR RESISTANCE...
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HTP-550 EXPLODED VIEWS-1 <Note> SKW-550 : POWERED SUBWOOFER S901 (POWER SWITCH) and U05 : MPA type only. S901 P901 SP11 x 10 pcs. x 2 pcs. A102 A103 A101 A104 x 2 pcs. x 2 pcs. Q516 Refer to "EXPLODED VIEWS-2" Q541 Q515 SP12...
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HTP-550 EXPLODED VIEWS-2 SP01a - d : SPK SYSTEM ASS’Y (All) SKW-550 : POWERED SUBWOOFER SP01e / f : CABINET ASS’Y (Without AMP unit, Speaker unit and Power transformer) SP08 SP06 SP07 x 6 pcs. SP02 x 4 pcs. SP04 x 4 pcs.
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HTP-550 EXPLODED VIEWS-3 SKF-550F <L> / SKF-550F <R> SP21a / SP21b / SP21c / SP21d : SPK SYSTEM ASS’Y (ALL) SP33a / SP33b SP23 SP32a / SP32b l a c B l a i t e SP34a / SP34b SP24 SP23 SP22 x 4 pcs.
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HTP-550 EXPLODED VIEWS-4 SKC-550C SP41a / SP41b : SPK SYSTEM ASS’Y (ALL) SP53 SP52 SP43 l a c e e n SP43 SP44 SP42 x 4 pcs. SP54a / SP54b...
HTP-550 EXPLODED VIEWS-5 SKM-550S <L> / SKM-550S <R> / SKB-550 <L> / SKB-550 <R> SP61a / SP61b SP63a / SP63b SP62 SP64 <Note> Cannot remove the speaker grill. I N A I N A B l a B l a G r a B l u "SKM-550S <L>"...
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HTP-550 SCHEMATIC DIAGRAM SKW-550 : POWERED SUBWOOFER NOTE THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY NAAF-8829 REPLACE ONLY WITH PART NUMBER SPECIFIED. LINE INPUT Q301(1/2) VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL). MAIN PC BOARD P301 NJM4558LD ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
HTP-550 PRINTED CIRCUIT BOARD VIEWS-2 SKW-550 : POWERED SUBWOOFER POWER TRANSFORMER PC BOARD (NAPS-8831) Component side J905 J904 J903 J902 RISK OF FIRE P902A -REPLACE FUSE AS MARKED. P910A NCPS-8831 25138831 F901A F901B P907A 5A/125V F901 POWER SWITCH PC BOARD (NASW-8833) Component side <Note>...
HTP-550 ADJUSTMENT PROCEDURE SKW-550 : POWERED SUBWOOFER / ADJUSTMENT OF IDLING CURRENT [When] 1. Exchange transistors (Q505 - Q519). 2. Exchange MAIN PC board ass'y (NAAF-8829). [Procedure] <Note> No speaker load and No input signal. 1. Short test point P631 for amplifier is under active mode. 2.
1/14 PAGE HTP-550 EXPLODED VIEWS PARTS LIST <Notes> (B) : Black model NOTE : THE COMPONENTS IDENTIFIED BY THE MARK (S) : Silver model ARE CRITICAL FOR RISK OF FIRE AND <L> : Lch ELECTRIC SHOCK. REPLACE ONLY WITH PART NUMBER SPECIFIED.
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9/14 PAGE C302 VX C CE04W50V 47M(VX_BLK) 397384707T C501 VX C CE04W50V 47M(VX_BLK) 397384707T C503 TF C ECQ-V50V-224J 374722244T C504 VX C CE04W16V-220M(VX_BLK) 397342217T C505 CERA C CC45CH50V-020C 345340201T C506 CERA C CC45CH50V-070D 345340702T C514 TF C ECQ-B50V-101J 374721014T C517 VX C CE04W50V-10M(VX_BLK) 397381007T...
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10/14 PAGE R305 CARBON R R16J-33K 417343334T R306 CARBON R R16J-47K 417344734T R307 CARBON R R16J-2.2K 417342224T R501 CARBON R R16J-1K 417341024T R502 CARBON R R16J-47K 417344734T R503 CARBON R R16J-5.6K 417345624T R504 CARBON R R16J-2.2K 417342224T R505 NF CARBON R R25J-1.0K 415471024T R506...
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11/14 PAGE R515 CARBON R R16J-12K 417341234T R516 CARBON R R16J-12K 417341234T R517 CARBON R R16J-3.3K 417343324T R521 CARBON R R16J-220 417342214T R522 CARBON R R16J-220 417342214T R526 METAL O R RS1/2WBJ-82 443528204T R527 CARBON R R16J-270 417342714T R528 METAL O R RS1/2WBJ-390 443523914T R531...
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12/14 PAGE R622 CARBON R R16J-10K 417341034T R623 CARBON R R16J-100K 417341044T R624 CARBON R R16J-100K 417341044T R625 CARBON R R16J-180K 417341844T R626 CARBON R R16J-2.2M 417342254T R627 CARBON R R16J-680K 417346844T R628 CARBON R R16J-330K 417343344T R651 METAL O R RS1/2WBJ-12K 443521234T R901...
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13/14 PAGE F901B or FUSE HOL NSCT-1P2031 25052133T F901C LABEL T1.6AL250V 29361769 <MPA> JL535A SOCKET AS NSAS-2P1335 2009990876UL P301 PIN JACK NPJ-1PDB556 25045774 P301 or PIN JACK NPJ-1PDB581 25045801 P531 PLUG NPLG-2P29 25055038 P631 PLUG NPLG-2P29 25055038 P632A PLUG NPLG-3P131 25055147 P901A PLUG...