Onkyo HTP-750 Service Manual

Onkyo HTP-750 Service Manual

7.1-ch home theater speaker package
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3 7 63 1515 0
Surround Back Speakers (L / R)
"SKB-750"
TE
L 13942296513
www
.
http://www.xiaoyu163.com
7.1-CH HOME THEATER
MODEL
Center Speaker
"SKC-750C"
Front Speakers (L / R)
"SKF-750F"
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.
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ao
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http://www.xiaoyu163.com
8
SERVICE MANUAL
SERVICE MANUAL
SPEAKER PACKAGE
HTP-750(B)
Surround Speakers (L / R)
Q Q
3
6 7
1 3
Black model
120V AC, 60Hz
u163
.
2 9
9 4
2 8
Ref. No. 4033
Powered Subwoofer
"SKW-750"
"SKM-750S"
1 5
0 5
8
2 9
9 4
ON THE
m
co
HTP-750
9 9
092007
2 8
9 9

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Summary of Contents for Onkyo HTP-750

  • 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 3 7 6 3 1 5 1 5 0 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"...
  • Page 3 HTP-750 3 7 6 3 1 5 1 5 0 EXPLODED VIEWS-2 SKW-750 : POWERED SUBWOOFER SP01 L 1 3 9 4 2 2 9 6 5 1 3 SP08 SP06 SP07 x 6 pcs. SP02 u 1 6 3 x 4 pcs.
  • Page 4 HTP-750 3 7 6 3 1 5 1 5 0 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...
  • Page 5: Main P.c.board

    HTP-750 3 7 63 1515 0 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)
  • Page 6 HTP-750 3 7 63 1515 0 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.
  • Page 7 HTP-750 3 7 63 1515 0 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...
  • Page 8: Adjustment Procedure

    HTP-750 3 7 63 1515 0 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.
  • 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

    <R> EXPLODED SP54 SPEC LABEL (R) 600-P750BR-00 <R> EXPLODED HTP-750 PRINTED CIRCUIT BOARD PARTS LIST L 13942296513 NOTE : THE COMPONENTS IDENTIFIED BY THE MARK ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE ONLY WITH PART NUMBER SPECIFIED.
  • Page 11 http://www.xiaoyu163.com 3/6 PAGE 3 7 63 1515 0 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...
  • Page 12 http://www.xiaoyu163.com 4/6 PAGE 3 7 63 1515 0 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...
  • Page 13 http://www.xiaoyu163.com 5/6 PAGE 3 7 63 1515 0 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...
  • Page 14 http://www.xiaoyu163.com 6/6 PAGE 3 7 63 1515 0 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...
  • 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/...

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