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...
HTP-980 ADJUSTMENT PROCEDURE SKW-980 : POWERED SUBWOOFER (EuP AMP.) / ADJUSTMENT OF IDLING CURRENT [When] 1. Exchange transistors (Q505 - Q519). 2. Exchange MAIN PC board ass'y (BAAF-0491). [Procedure] <Note> No speaker load and No input signal. 1. Short test point P631 for amplifier is under active mode.
HTP-980 EXPLODED VIEWS-1 SKW-980 (MDC model) : POWERED SUBWOOFER (EuP Amp.) P901 SP11 x 10 pcs. (NSP) x 2 pcs. A102 See "EXPLODED VIEWS-3" A103 SP12 x 5 pcs. A101 SP13 A104 (NSP) x 2 pcs. x 2 pcs. x 2 pcs.
Page 4
HTP-980 EXPLODED VIEWS-2 SKW-938 (MPP model) : POWERED SUBWOOFER (EuP Amp.) <Note> S901 P901 Part No. of S901 ---> See "PRINTED CIRCUIT BOARD PARTS LIST". SP11 x 10 pcs. (NSP) x 2 pcs. A102 See "EXPLODED VIEWS-3" A103 SP12 x 5 pcs.
Page 5
HTP-980 EXPLODED VIEWS-3 SKW-980 / SKW-938 : POWERED SUBWOOFER SP01a/b : SPK SYSTEM ASS’Y (All) SP01c : SPK SYSTEM ASS’Y (Without amplifier unit, power transformer and speaker unit.) SP08 SP07 SP09 SP02 x 4 pcs. SP03 x 4 pcs.
Page 6
HTP-980 EXPLODED VIEWS-4 SKF-980 <L> / SKF-980 <R> SP21a/b : SPK SYSTEM ASS’Y (ALL) SP31 SP32a/b I N A L c h l a c i t e TWEETER R c h I N A l a c INPUT R e d...
Page 7
HTP-980 EXPLODED VIEWS-5 SKC-980 SP41 : SPK SYSTEM ASS’Y (ALL) SP52 SP51 I N A l a c G r e TWEETER WOOFER WOOFER INPUT (Terminal) SP43 SP42 x 4 pcs. SP44 SP43 SP54...
Page 8
HTP-980 EXPLODED VIEWS-6 SKR-980 <L> / SKR-980 <R> SP71 SP61a/b : SPK SYSTEM ASS’Y (ALL) L c h I N A B l a B l u R c h I N A TWEETER B l a G r a...
Page 10
HTP-980 SCHEMATIC DIAGRAMS-1 NOTE THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY SKW-980 (MDC model) : POWERED SUBWOOFER (EuP AMP with protection.) 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 11
HTP-980 SCHEMATIC DIAGRAMS-2 NOTE THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY SKW-938 (MPP model) : POWERED SUBWOOFER (EuP AMP with protection.) 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.
1/24 PAGE HTP-980 EXPLODED VIEWS PARTS LIST <Notes> <L> : Lch NOTE : THE COMPONENTS IDENTIFIED BY THE MARK ARE CRITICAL FOR RISK OF FIRE AND <R> : Rch ELECTRIC SHOCK. REPLACE ONLY WITH PART <MDC> : Canadian model only NUMBER SPECIFIED.
Page 13
2/24 PAGE [TRANS COIL] EXPLODED T901 P TRANS NPT-1539D 2301863 <MDC> EXPLODED T901 P TRANS NPT-1539P 2301864 <MPP> EXPLODED [SW TRM] EXPLODED F901 FUSE 5A-UL/T-233 252326GR <MDC> EXPLODED F901 FUSE 1.6A-SE-EAK IECFUSE 252073GR <MPP> EXPLODED F901 or FUSE 1.6A-SE-TL250V ( 1) 252273GR <MPP>...
Page 14
SP21b SPK SYSTEM ASS'Y(ALL) SKF-980 (B) <R> MDC 000-SKF980RBCSER <R> EXPLODED SP22 CATCHING HOLDER D230-DN3X01B-01 EXPLODED SP23 WOOFER W1277C (ONKYO ELE M) W1277C EXPLODED SP24 TWEETER TW3208B (ONKYO ELE M) TW3208B EXPLODED SP31 CROSSOVER SKF/SKC NETWORK PCB ASS'Y 311-SKF940-00 EXPLODED...
Page 15
SPK SYSTEM ASS'Y(ALL) SKR-980 (B) <R> MDC 000-SKR980RBCSER <R> EXPLODED SP62 CATCHING HOLDER D230-DN3X01B-01 EXPLODED SP63 WOOFER W1367B (ONKYO ELE M) W1367B EXPLODED SP64 TWEETER TW3223A (ONKYO ELE M) TW3223A EXPLODED SP65 S. ABSORBER 25t x 50 x 50 443-925404-00...
SPK SYSTEM ASS'Y(ALL) SKB-980 (B) <R> MDC 000-SKB980RBCSER <R> EXPLODED SP82 CATCHING HOLDER D230-DN3X01B-01 EXPLODED SP83 WOOFER W1367B (ONKYO ELE M) W1367B EXPLODED SP84 TWEETER TW3223A (ONKYO ELE M) TW3223A EXPLODED SP85 S. ABSORBER 25t x 50 x 50 443-925404-00...
Page 20
9/24 PAGE Q703 or KTC3199-GR ( 1) 2215864T <MDC> Q704 2SC1740S-S 2213285T <MDC> Q704 or 2SC1740S-R ( 1) 2213284T <MDC> Q704 or KTC3199-GR ( 1) 2215864T <MDC> Q705 2SA933S-S 2213355T <MDC> Q705 or 2SA933S-R ( 1) 2213354T <MDC> Q705 or KTA1267-GR ( 1) 2215995T <MDC>...
Page 21
10/24 PAGE C903 TF C ECQ-V100V-104J 374731044T <MDC> C904 TF C ECQ-V100V-104J 374731044T <MDC> C905 ELECT C CE62W71V5600M 3504444 <MDC> C906 ELECT C CE62W71V5600M 3504444 <MDC> C907 UTSP C CE04W25V-220M(UTSP) 397552217T <MDC> C908 UTSP C CE04W25V-220M(UTSP) 397552217T <MDC> C911 UTSK C CE04W25V-1000M(UTSK) 398351027S <MDC>...
Page 22
11/24 PAGE C955 TF C ECQ-V50V-223J 374722234T <MDC> [RESISTOR] R301 CARBON R R16J-1K 417341024T <MDC> R302 VARI R N17RGL20KB15M 5151508 <MDC> R303 CARBON R R16J-47K 417344734T <MDC> R304 CARBON R R16J-2.2K 417342224T <MDC> R305 CARBON R R16J-8.2K 417348224T <MDC> R307 CARBON R R16J-270 417342714T...
Page 23
12/24 PAGE R543 CARBON R R16J-180 417341814T <MDC> R544 TRIM R N06HR100BC 5210399T <MDC> R601 CARBON R R16J-5.6K 417345624T <MDC> R602 CARBON R R16J-100K 417341044T <MDC> R603 CARBON R R16J-150K 417341544T <MDC> R604 CARBON R R16J-180 417341814T <MDC> R605 CARBON R R16J-22 417342204T <MDC>...
Page 24
13/24 PAGE R616 CARBON R R16J-100K 417341044T <MDC> R617 CARBON R R16J-1K 417341024T <MDC> R619 CARBON R R16J-22K 417342234T <MDC> R620 CARBON R R16J-100K 417341044T <MDC> R621 CARBON R R16J-1K 417341024T <MDC> R622 CARBON R R16J-10K 417341034T <MDC> R623 CARBON R R16J-22K 417342234T <MDC>...
Page 25
14/24 PAGE F901Bor FUSE HOL NSCT-1P2031 ( 1) 25052133T <MDC> P301 PIN JACK NPJ-1PDB581 25045801 <MDC> P301 or PIN JACK NPJ-1PDBL382 ( 1) 25045567 <MDC> P301 or PIN JACK NPJ-1PDB556 ( 1) 25045774 <MDC> P531 PLUG NPLG-2P29 25055038 <MDC> P535A SOCKET AS NSAS-2P1865 2009991199UL...
Page 26
15/24 PAGE SKW-938 (MPP model) MAIN PC BOARD (BAAF-0491-1F) POWER TRANS. PC BOARD (BAPS-0492-1F) POWER SWITCH PC BOARD (BASW-0494-1F) CIRCUIT NO. PART NAME DESCRIPTION Q'TY PART NO. (SN) REMARKS [SEMI CONDUCTOR] D501 ZENER D MTZJ5.6B 224470562T <MPP> D601 ZENER D MTZJ3.6B 224470362T <MPP>...
Need help?
Do you have a question about the HTP-980 and is the answer not in the manual?
Questions and answers