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7.1-CH HOME THEATER
Surround Back Speakers (L / R)
"SKB-750"
SERVICE MANUAL
SERVICE MANUAL
SPEAKER PACKAGE
HTP-750(B)
MODEL
Center Speaker
"SKC-750C"
Front Speakers (L / R)
"SKF-750F"
Black model
B MDD
120V AC, 60Hz
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.
Powered Subwoofer
Surround Speakers (L / R)
"SKM-750S"
ON THE
HTP-750
Ref. No. 4033
092007
"SKW-750"
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Table of Contents
Related Manuals for Onkyo HTP-750B
Summary of Contents for Onkyo HTP-750B
- 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 HTP-750 EXPLODED VIEWS-1 SKW-750 : 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. SP13 x 2 pcs.
- Page 3 HTP-750 EXPLODED VIEWS-2 SKW-750 : POWERED SUBWOOFER SP01 SP08 SP06 SP07 x 6 pcs. SP02 x 4 pcs. SP04 x 4 pcs.
- Page 4 HTP-750 EXPLODED VIEWS-3 SKF-750F / SKC-750C / SKM-750S / SKB-750 SP21 SP23 SP31 SP22 SP24 SP32 I N A l a c I N A I N A G r e l a c l a c i t e R e d "SKC-750C"...
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Page 5: Main P.c.board
HTP-750 SCHEMATIC DIAGRAM SKW-750 : POWERED SUBWOOFER NAAF- LINE INPUT Q301(1/2) MAIN PC BOARD P301 NJM4558LD R301 R307 2.2K C302 C955 47/50 R305 223J E801 C303 OUTPUT LEVEL R505 R506 R511 Q509 (1/4W) (1/4W) (1/4W) 2SA949-Y Q505 2SA949-Y Q501 Q502 2SC2240-BL 2SC2240-BL C501... - Page 6 HTP-750 NOTE THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY AF-8829 REPLACE ONLY WITH PART NUMBER SPECIFIED. VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL). ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED. ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED. ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
- Page 7 HTP-750 PRINTED CIRCUIT BOARD VIEWS-1 SKW-750 : 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 C313 R511 Q519...
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Page 8: Adjustment Procedure
HTP-750 ADJUSTMENT PROCEDURE SKW-750 : 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. -
Page 9: Exploded Views Parts List
(PLASTIC) D249-W55001B-00 EXPLODED SP04 WOOD SCREW 4STB + 45A(BC) (FOR FOOT) 411-BE4045AB1 EXPLODED SP06 WOOFER 10" (25cm) 4 ohm 80W (ONKYO ELE) W2301E EXPLODED SP07 WOOD SCREW 4STB + 25A(BC) (FOR SP UNIT) 411-BE4025AB1 EXPLODED SP08 LED HARNESS ASS'Y 335-SKW750-00... -
Page 10: Printed Circuit Board Parts List
2/6 PAGE SP11 WOOD SCREW 4STB + 16A(BC) (FOR AMP) 411-BE4016AB1 EXPLODED SP12 SCREW 4 x 25 ED BLK (FOR P-TRANS) 412-DE40250B1 EXPLODED SP13 CUSHION RUBBER PAD 14 x 89 T2 RUBBER (FOR P-TRANS) 442-902123-00 EXPLODED SKF-750F (B) <L> / <R> : FRONT SPEAKERS EXPLODED SP21 COMPLETE UNIT... - Page 11 3/6 PAGE Q510 KTC3206-Y 2215854T Q510 or 2SC2229-Y(TPE6_F) (1) 2211634T Q510 or 2SC2229-O(TPE6_F) (1) 2211633T Q513 KTD2061-Y 2203434 Q513 or 2SC5171(ONK_Q) (1) 2203010 Q514 KTB1369-Y 2203424 Q514 or 2SA1930(ONK_Q) (1) 2203000 Q517 2SA933S-S 2213355T Q517 or 2SA933S-R (1) 2213354T Q517 or KTA1267-GR (1) 2215995T Q518...
- Page 12 4/6 PAGE D904 or ZENER D DZ-5.6BSB (1) 224850562T D951 ZENER D MTZJ15C 224471503T D951 or ZENER D DZ-15BSC (1) 224851503T D952 ZENER D MTZJ15C 224471503T D952 or ZENER D DZ-15BSC (1) 224851503T C302 VX C CE04W50V 47M(VX_BLK) 397384707T C501 VX C CE04W50V 47M(VX_BLK) 397384707T...
- Page 13 5/6 PAGE R514 NF CARBON R R25J-82 415478204T 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...
- Page 14 6/6 PAGE F901B FUSE HOL NSCT-1P2506 25052609T F901B or FUSE HOL NSCT-1P2031 (1) 25052133T JL535A SOCKET AS NSAS-2P1335 2009990876UL P301 PIN JACK NPJ-1PDB556 25045774 P301 or PIN JACK NPJ-1PDB581 (1) 25045801 P531 PLUG NPLG-2P29 25055038 P631 PLUG NPLG-2P29 25055038 P632A PLUG NPLG-3P131 25055147...
- Page 15 Sales & Product Planning Div. : 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN Tel: 072-831-8023 Fax: 072-831-8124 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/...