Onkyo-HTP670-ss-sm维修电路原理图.pdf
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1、HTP-670 SERVICE MANUALSERVICE MANUAL 7.1-CH HOME THEATER SPEAKER PACKAGE MODEL HTP-670(B) Ref. No. 4157 072009 Front Speakers (L / R) SKF-670 Center Speaker SKC-670 Surround Speakers (L / R) SKR-670 Powered Subwoofer SKW-770 Black model 120V AC, 60Hz 220-240V AC, 50/60Hz B MDC B MMO Surround Back Sp
2、eakers (L / R) SKB-670 SAFETY-RELATED COMPONENT WARNING! 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
3、 RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. RadioFans.CN 收音机爱 好者资料库 ADJUSTMENT PROCEDURE SKW-770 : POWERED SUBWOOFER / ADJUSTMENT OF IDLING CURRENT HTP-670 Test point DC voltmeter 100 ohm (1
4、/4W) P531 Test point P631 MAIN PC board assy NAAF-8829 Test point P531 Trimming resistor R544 Short When 1. Exchange transistors (Q505 - Q519). 2. Exchange MAIN PC board assy (NAAF-8829). Procedure No speaker load and No input signal. 1. Short test point P631 for amplifier is under active mode. 2. A
5、djust the trimming resistor R544 so that the reading of multimeter becomes 52 ohm to 53 ohm. 3. Connect the DC voltmeter to test point P531. 4. Connect the power cord into the AC outlet. 5. Press POWER button to turn on the unit. (MMO version) 6. Confirm the voltage of above point after 6 minutes to
6、 8 minutes. (Heat running) 7. When less than 3.20 mV : Readjust the trimming resistor above so that the voltage becomes 4.5 mV to 5.0 mV. When 3.30 mV to 5.20 mV : Not necessary to adjust. When 5.21 mV to 10.0 mV : Readjust the trimming resistor above so that the voltage becomes 5.0 mV to 5.5 mV. Wh
7、en 10.1 mV to 20.0 mV : Readjust the trimming resistor above so that the voltage becomes 5.6 mV to 6.0 mV. 8. Disconnect the power cord from the AC outlet. 9. Disconnect the DC voltmeter. RadioFans.CN 收音机爱 好者资料库 HTP-670 EXPLODED VIEWS-1 SKW-770(MDC) : POWERED SUBWOOFER HTP-670 A08 x 2 pcs. SP11 x 10
8、 pcs. A104 x 2 pcs. A05 x 2 pcs. A05 x 5 pcs. A103 A102 P901 U03 A11 E801 A01 U01 A07 A07 A101 A02 A02 A06 U06 A05 Q515 Q516 Q541 F901 T901 A03 SP12 x 4 pcs. SP13 x 2 pcs. See EXPLODED VIEWS-3 HTP-670 EXPLODED VIEWS-2 SKW-770(MMO) : POWERED SUBWOOFER HTP-670 A08 x 2 pcs. SP11 x 10 pcs. A104 x 2 pcs.
9、 A05 x 2 pcs. A05 x 5 pcs. A103 A102 U03 A11 E801 A01 U01 A07 A07 A101 A02 A02 A06 U06 A05 Q515 Q516 Q541 F901 T901 A03 SP12 x 4 pcs. SP13 x 2 pcs. P901 P901a F901C U05 S901 See EXPLODED VIEWS-3 F901C : Part No. of LABEL - See PRINTED CIRCUIT BOARD PARTS LIST. Refer to PACKING PROCEDURE PARTS LIST (
10、Service manual of HT-S6200) HTP-670 EXPLODED VIEWS-3 SKW-770 : POWERED SUBWOOFER HTP-670 SP06 SP07 x 6 pcs. SP08 SP02 x 4 pcs. SP04 x 4 pcs. SP01a/b (Subwoofer assy) (All) SP01c/d (Subwoofer assy) (Without AMP unit, Speaker unit and Power transformer) HTP-670 EXPLODED VIEWS-4 SKF-670 / SKC-670 / SKR
11、-670 / SKB-670 HTP-670 SP20a/bSP21a/b SP22a/b SP23a/bSP24a/bSP25a/bSP26a/b SKF-670 SKF-670 SKC-670 TERMINAL : White / Black TERMINAL : Red / Black TERMINAL : Green / Black Cannot remove the speaker grill. SKR-670 SKR-670 TERMINAL : Blue / Black TERMINAL : Gray / Black SKB-670 SKB-670 TERMINAL : Brow
12、n / Black TERMINAL : Tan / Black NOT MAGNETICALLY SHIELDED NOT MAGNETICALLY SHIELDEDNOT MAGNETICALLY SHIELDED NOT MAGNETICALLY SHIELDED HTP-670 SCHEMATIC DIAGRAM SKW-770(MDC/MMO) : POWERED SUBWOOFER A 1 2 3 4 5 BCDEFGH +5.6V -56.5V +56.5V J901 MD J316 E801 Q301(2/2) NJM4558LD 4 8 5 6 7 Q301(1/2) NJM
13、4558LD 3 2 1 8 4 Q602 KRC103M Q606 KRA103M P301 R651 12K (1/2W) R951 3.3K POWER NEED TO CONFIRM (2W) R952 3.3K (2W) R901 820(1W) R902 820(1W) 0 1 -0.6 1.6V -1.6 -1 0 0.05 0.6 5.0 D901 D3SBA20 R544 100B R528 390 (1/2W) R628 330K R629 NC R701 NC R904 1K (1/2W) R903 10K R609 39K R611 820K R610 560K R61
14、6 100K R617 1K R621 1K R615 22K R612 39K R614 120K R613 470K R619 22K R620 100K R624 100K R623 100K R627 680K R622 10K R626 2.2M R625 180K P901 F901 5A/125V T901 NPT-1578D P901A P903A P632A REDBLUE D601 MTZJ2.7B D602 MTZJ2.7B D501 MTZJ5.6B D952 MTZJ15C D951 MTZJ15C D904 MTZJ5.6B Q516 2SA1987-O/R Q51
15、9 2SA965-Y Q517 2SA933S-S Q507 2SA949-Y Q505 2SA949-Y Q509 2SA949-Y Q514 2SA1930 Q604 2SA933S Q605 2SA933S Q607 2SA933S Q541 2SC3423 Q506 2SC2229-Y Q510 2SC2229-Y Q503 2SC2240-BL Q515 2SC5359-O/R Q513 2SC5171 Q518 2SC2235-Y Q502 2SC2240-BL Q501 2SC2240-BL Q609 NC Q603 2SC1740S-S Q608 2SC1740S-S P902
16、A JL535A/B P531 P501B P633 P631 D651 1SS133 D603 1SS133 D606 1SS133 D903 RL1N4003 or GP104003E D902 RL1N4003 or GP104003E D605 1SS133 R302 20KB C301 C303 NC C955 223J C506 070 C502 NC C514 101 C520 224 C519 224 C505 020 C503 224J C950 104/50 C903 104J/100 (MMO TYPE) C904 104J/100 (MMO TYPE) C302 47/
17、50 C527 1/50 C501 47/50 C517 10/50 C528 10/50 C526 10/50 C504 220/16 C951 220/16 C952 220/16 C909 22/50 C601 10/50 C603 470/16 C602 10/50 C604 33/35 C906 5600/71(MMO) 5600/63(MDC) C905 5600/71(MMO) 5600/63(MDC) R306 47K R301 1K R307 2.2K R305 33K R303 47K R304 27K R531 0.22 (5W) R533 3.3 (1W) R508 4
18、7 (1/4W) R511 82 (1/4W) R512 68 (1/4W) R514 82 (1/4W) R513 82 (1/4W) R516 12K R515 12K R502 47K R510 100K R543 180 R526 82 (1/2W) R517 3.3K R541 820 R542 150 R505 1K (1/4W) R506 1K (1/4W) R507 33K R527 270 R509 1K R504 2.2K R503 5.6K R522 220 R521 220 R501 1K R603 150K R601 5.6K R605 22 R602 100K R6
19、04 180 NAAF-8829 NAPS-8831MDC ONLY AC 120V / 60Hz (MMO) 224 NC NC D607 1SS133 P907A P906A S901 P901 F901 1.6A/250V T901 NPT-1588M P901A P906B P902A NAPS-8831 AC 220-240V 50/60Hz MMO NASW-8833 AGAINST FIRE HAZARD, REPLACE VA FOR CONTINUED PROTECTION AND RATING INDICATED. ONLY WITH FUSE OF SAME TYPE C
20、AUTION ATTENTION ET CALIBRATION COMME INDIQUE. DINCENDIE, REMPLACER UNIQUEMENT PERMANENTE CONTRE LES RISQUES AFIN DASSURER UNE PROTECTION PAR UN FUSIBLE DE MEME TYPE VA E LENT.POUR UNE PROTECTION PERMANENTE,NUTILISER INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE. QUE DES FUSIBLES DE MEME TYPE. CE DARNI
21、ER EST CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST FOR CONTINUED PROTECTION AGAINST FIRE RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL. HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE THIS SYMBOL LOCATED NEAR THE FUSE INDICATES THAT THE FUSE USED IS SLOW OPERATING TYPE THE COMPONENTS IDENTIFIED B
22、Y MARK ARE CRITICAL FOR SAFETY 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
23、EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED. ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV. ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED. EX) 030- 3pF 330- 33pF 331- 330pF 333- 0.033uF ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED. THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF
24、THE PARTS. EX) PRINTING SIDE CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT. ! NOTE POWER TRANSFORMER PC BOARD U03 MAIN PC BOARDU01 LINE INPUT OUTPUT LEVEL SPEAKER LED ADJUST. IDLING NC : No mount of parts. POWER SWITCH PC BOARD U05 POWER TRANSFORMER PC BOARD U03 POWER SWITCH MMO HTP-670 PRINTED CIRCU
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