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Onkyo HTP-555 Service Manual
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Onkyo HTP-555 Service Manual

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5.1-CH HOME THEATER
MODEL
Front Speakers (L / R)
"SKF-550"
Center Speaker
"SKC-550"
B MDD
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK
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
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
SERVICE MANUAL
SERVICE MANUAL
SPEAKER PACKAGE
HTP-555(B)
Surround Speakers (L / R)
Black model
120V AC, 60Hz
Ref. No. 4114
Powered Subwoofer
"SKW-550"
"SKR-550"
ON THE
HTP-555
102008

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Summary of Contents for Onkyo HTP-555

  • Page 1 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...
  • Page 2 2007 2008 HT-SR800 (7.1ch Home Theater System) AVX-760LD (5.1ch Home Theater System) HTP-550 (7.1ch Speaker System) HTP-555 (5.1ch Speaker System) SKF-550F : Front Speakers <L/R> SKF-550 : Front Speakers <L/R> SKC-550C : Center Speaker SKC-550 : Center Speaker SKM-550S : Surround Speakers <L/R>...
  • Page 3 HTP-555 EXPLODED VIEWS-1 SKW-550 : POWERED SUBWOOFER 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 E801 x 4 pcs. x 5 pcs.
  • Page 4 HTP-555 EXPLODED VIEWS-2 SP01a : SPK SYSTEM ASS’Y (All) SKW-550 : POWERED SUBWOOFER SP01b : 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.
  • Page 5 HTP-555 EXPLODED VIEWS-3 SKF-550 <L> / SKF-550 <R> SP21a / SP21b : SPK SYSTEM ASS’Y (ALL) (for HTP-555) SP33a / SP33b SP23 SP32a / SP32b l a c B l a i t e SP34 SP24 SP23 SP22 x 4 pcs.
  • Page 6 HTP-555 EXPLODED VIEWS-4 SKC-550 (for HTP-555) SP41 : SPK SYSTEM ASS’Y (ALL) SP53 SP52 SP43 l a c e e n SP43 SP44 SP42 x 4 pcs. SP54...
  • Page 7 HTP-555 EXPLODED VIEWS-5 SKR-550 <L> / SKR-550 <R> (for HTP-555) SP61 SP63 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 "SKR-550 <L>"...

  • Page 8: Main P.c.board

    HTP-555 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.
  • Page 9 HTP-555 PRINTED CIRCUIT BOARD VIEWS-1 SKW-550 : POWERED SUBWOOFER MAIN PC BOARD (NAAF-8829) Component side R517 C315 Q517 R651 Q518 R545 C316 R541 R320 R319 Q503 R317 C506 C314 R544 J306 J303 Q509 R513 C312 J304 R528 Q513 J305 J307...
  • Page 10 HTP-555 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...

  • Page 11: Adjustment Procedure

    HTP-555 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.

  • Page 12: Exploded Views Parts List

    1/12 PAGE HTP-555 EXPLODED VIEWS PARTS LIST NOTE : THE COMPONENTS IDENTIFIED BY THE MARK <Notes> ARE CRITICAL FOR RISK OF FIRE AND <L> : Lch ELECTRIC SHOCK. REPLACE ONLY WITH PART NUMBER SPECIFIED. <R> : Rch REF. NO. PART NAME DESCRIPTION Q'TY PART NO.
  • Page 13 SP01a = ALL EXPLODED SP01b = Without AMP unit, Speaker unit and Power transformer EXPLODED SP02 FOOT (PLASTIC) D249-W55001B-01 EXPLODED SP04 WOOD SCREW 4STB + 45A(BC) (FOR FOOT) 412-BE4045AB1 EXPLODED SP06 WOOFER 10" (25) 4 ohm 80W (ONKYO ELE) W2301E EXPLODED...
  • Page 14 000-SKF555FLB <L> EXPLODED SP21b SPK SYSTEM ASS'Y "SKF-550" (B) <R> 000-SKF555FRB <R> EXPLODED SP22 CATCHING HOLDER D230-S79001B-00 EXPLODED SP23 WOOFER W1278D (ONKYO ELE) W1278D EXPLODED SP24 TWEETER 302-D1F5500200 EXPLODED SP32a TERMINAL WHITE / BLACK 332-LY104B-40 <L> EXPLODED SP32b TERMINAL RED / BLACK 332-LY104B-00 <R>...
  • Page 15 4/12 PAGE NOTE : THE COMPONENTS IDENTIFIED BY THE MARK ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE ONLY WITH PART NUMBER SPECIFIED. SKW-550 MAIN PC BOARD (NAAF-8829-1J) POWER TRANS. PC BOARD (NAPS-8831-1J) CIRCUIT NO. PART NAME DESCRIPTION Q'TY PART NO.
  • Page 16 5/12 PAGE Q506 2SC2229-Y(TPE6_F) 2211634T Q506 or 2SC2229-O(TPE6_F) 2211633T Q507 2SA949-Y(TPE6_F) 2211354T Q507 or 2SA949-O(TPE6_F) 2211353T Q507 or KTA1024-Y 2215844T Q509 KTA1024-Y 2215844T Q509 or 2SA949-Y(TPE6_F) 2211354T Q509 or 2SA949-O(TPE6_F) 2211353T Q510 KTC3206-Y 2215854T Q510 or 2SC2229-Y(TPE6_F) 2211634T Q510 or 2SC2229-O(TPE6_F) 2211633T Q513...
  • Page 17 6/12 PAGE Q607 or 2SA933S-R 2213354T Q607 or KTA1267-GR 2215995T Q608 2SC1740S-S 2213285T Q608 or 2SC1740S-R 2213284T Q608 or KTC3199-GR 2215864T D501 ZENER D MTZJ5.6B 224470562T D501 or ZENER D DZ-5.6BSB 224850562T D601 ZENER D MTZJ2.7B 224470272T D601 or ZENER D DZ-2.7BSB 224850272T D602...
  • Page 18 7/12 PAGE D607 DIODE 1SS133 223163T D651 DIODE 1SS133 223163T D651 or DIODE 1SS133(DS) 223280T D901 DIODE D3SBA20 22380271F D902 DIODE RL1N4003 22380260T D902 or DIODE GP104003E 22380035T D903 DIODE RL1N4003 22380260T D903 or DIODE GP104003E 22380035T D904 ZENER D MTZJ5.6B 224470562T D904 or...
  • Page 19 8/12 PAGE C906 ELECT C CE62W63V5600M 3504399 <MDD> C909 VR C CE04W50V-22M(VR) 394682207T C950 TF C ECQ-V50V-104J 374721044T C951 VR C CE04W16V-220M(VR) 394642217T C952 VR C CE04W16V-220M(VR) 394642217T C955 TF C ECQ-B50V-223J 374722234T R301 CARBON R R16J-1K 417341024T R302 VARI R N17RGL20KB15M 5151508 R303...
  • Page 20 9/12 PAGE R505 NF CARBON R R25J-1.0K 415471024T R506 NF CARBON R R25J-1.0K 415471024T R507 CARBON R R16J-33K 417343334T R508 NF CARBON R R25J-47 415474704T R509 CARBON R R16J-1K 417341024T R510 CARBON R R16J-100K 417341044T R511 NF CARBON R R25J-82 415478204T R512 NF CARBON R...
  • Page 21 10/12 PAGE R611 CARBON R R16J-820K 417348244T R612 CARBON R R16J-39K 417343934T R613 CARBON R R16J-470K 417344744T R614 CARBON R R16J-120K 417341244T R615 CARBON R R16J-22K 417342234T R616 CARBON R R16J-100K 417341044T R617 CARBON R R16J-1K 417341024T R619 CARBON R R16J-22K 417342234T R620...
  • Page 22 11/12 PAGE R651 METAL O R RS1/2WBJ-12K 443521234T R901 METAL O R RS1WBJ-820 443628214T R902 METAL O R RS1WBJ-820 443628214T R903 CARBON R R16J-10K 417341034T R904 METAL O R RS1/2WBJ-1K 443521024T R951 METAL O R RS2WBJ-3.3K 441723324F R952 METAL O R RS2WBJ-3.3K 441723324F F901A...
  • Page 23 12/12 PAGE...
  • Page 24 Sales & Product Planning Div. : 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN Tel: 072-831-8023 Fax: 072-831-8163 ONKYO U.S.A. CORPORATION 18 Park Way, Upper Saddle River, N.J. 07458, U.S.A. Tel: 201-785-2600 Fax: 201-785-2650 http://www.us.onkyo.com/ ONKYO EUROPE ELECTRONICS GmbH Liegnitzerstrasse 6, 82194 Groebenzell, GERMANY Tel: +49-8142-4401-0 Fax: +49-8142-4401-555 http://www.eu.onkyo.com/...

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Htp-555b