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DTA-9.4

SERVICE MANUAL

SEVEN CHANNEL AMPLIFIER

Black model

MODEL

DTA-9.4

120V AC, 60Hz

BUDD

Ref. No. 3750

May, 2003

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 RESISTANCE

MEASUREMENTS TO DETERMINE THAT EXPOSED

PARTS ARE ACCEPTABLY INSULATED FROM THE

SUPPLY CIRCUIT BEFORE RETURNING THE

APPLIANCE TO THE CUSTOMER.

www. xiaoyu163. com

QQ 376315150

TEL 13942296513

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

Содержание DTA-9.4

Страница 1: ...CE 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...

Страница 2: ...er channel min RMS Into 4 ohms 2 channel driven 1 000 Hz with no more than 1 5 total harmonic distortion Dynamic Power Output 2 x 350 Watts at 2 ohms 2 x 267 Watts at 4 ohms 2 x 162 Watts at 8 ohms To...

Страница 3: ...s Blinks How to check 2 Connect the power supply card to a wall outlet 4 Power On the unit 5 Immediately after power switch On 4 About 1 second after turning On a power supply 5 About 10 seconds after...

Страница 4: ...017 A011 P651 A013 A021 A014 A014 A015 Q506 Q505 Q511 Q512 P193 A010 F901 F9801 A044 A044 A041 A041 A041 A043 A028 A037 A045 A027 A061 A060 A027 A039 D101 D102 D103 D104 D902 D901 A078 A076 A078 A075...

Страница 5: ...RD U7 NAPS 7793 CONTROL PC BOARD U7 NASW 7795 POWER SWITCH PC BOARD U5 NAPS 7790 SWITCHING CONTROL PC BOARD U1 NAPS 7788 PRIMARY POWER SUPPLY PC BOARD T902 U2 NAPS 7788 SECONDARY POWER SUPPLY PC BOARD...

Страница 6: ...RD U7 NAPS 7793 CONTROL PC BOARD U7 NASW 7795 POWER SWITCH PC BOARD U5 NAPS 7790 SWITCHING CONTROL PC BOARD U1 NAPS 7788 PRIMARY POWER SUPPLY PC BOARD T902 U2 NAPS 7788 SECONDARY POWER SUPPLY PC BOARD...

Страница 7: ...ONTROL PC BOARD U7 NASW 7795 POWER SWITCH PC BOARD U5 NAPS 7790 SWITCHING CONTROL PC BOARD U1 NAPS 7788 PRIMARY POWER SUPPLY PC BOARD T902 U2 NAPS 7788 SECONDARY POWER SUPPLY PC BOARD Q701 BLOCK DIAGR...

Страница 8: ...24GR Q866 2SC2120Y Q867 2SC2120Y Q862 2SC2120Y Q863 2SC2120Y Q808 2SC3324GR Q807 2SC3324GR Q802 2SC3324GR R895 0 47 1 2W R849 56K 1 2W R845 1K R843 82K R862 470 1W R842 470 1W R859 33 1 2W R841 2 2K R...

Страница 9: ...USE R140 470 R138 1 2K R111 6 8K R112 33K R113 33K R110 6 8K R114 NO USE R115 NO USE R108 4 7K R109 4 7K R1060 22 1 2W R107 0 22 1 2W R148 5 6K 1 2W R147 2 2K R137 5 6K 1 2W R170 47K R171 10K R172 47...

Страница 10: ...39 47K R9815 1K R9818 180 R9842 10K R9841 10K R9840 10K R9835 1M R9837 10K R9829 390K R9830 1M R9831 47K R9832 10K R9810 10K R9836 4 7K R9833 10K R9834 NO USE R9805 470 R9828 10K R9826 1 5K R9825 220...

Страница 11: ...3735 L Y34 C615 104J NO USE C612 105J C611 105J C604 105J C603 105J C520 824J 250V C521 153J 250V C535 334J C518 273J C509 273J C534 334J C519 824J 250V C513 121K C512 121K C503 121K C504 121K R707 56...

Страница 12: ...C2120Y Q811 2SC3324GR Q866 2SC2120Y Q867 2SC2120Y Q862 2SC2120Y Q863 2SC2120Y Q808 2SC3324GR Q807 2SC3324GR Q802 2SC3324GR R895 0 47 1 2W R849 56K 1 2W R845 1K R843 82K R862 470 1W R842 470 1W R859 33...

Страница 13: ...C2120Y Q811 2SC3324GR Q866 2SC2120Y Q867 2SC2120Y Q862 2SC2120Y Q863 2SC2120Y Q808 2SC3324GR Q807 2SC3324GR Q802 2SC3324GR R895 0 47 1 2W R849 56K 1 2W R845 1K R843 82K R862 470 1W R842 470 1W R859 33...

Страница 14: ...03 NO USE R101 NO USE R140 470 R138 1 2K R111 6 8K R112 33K R113 33K R110 6 8K R114 NO USE R115 NO USE R108 4 7K R109 4 7K R1060 22 1 2W R107 0 22 1 2W R148 5 6K 1 2W R147 2 2K R137 5 6K 1 2W R170 47K...

Страница 15: ...03 NO USE R101 NO USE R140 470 R138 1 2K R111 6 8K R112 33K R113 33K R110 6 8K R114 NO USE R115 NO USE R108 4 7K R109 4 7K R1060 22 1 2W R107 0 22 1 2W R148 5 6K 1 2W R147 2 2K R137 5 6K 1 2W R170 47K...

Страница 16: ...04C R9816 10K R9839 47K R9815 1K R9818 180 R9842 10K R9841 10K R9840 10K R9835 1M R9837 10K R9829 390K R9830 1M R9831 47K R9832 10K R9810 10K R9836 4 7K R9833 10K R9834 NO USE R9805 470 R9828 10K R982...

Страница 17: ...04C R9816 10K R9839 47K R9815 1K R9818 180 R9842 10K R9841 10K R9840 10K R9835 1M R9837 10K R9829 390K R9830 1M R9831 47K R9832 10K R9810 10K R9836 4 7K R9833 10K R9834 NO USE R9805 470 R9828 10K R982...

Страница 18: ...35 L Y34 Q508 2SC3735 L Y34 C615 104J NO USE C612 105J C611 105J C604 105J C603 105J C520 824J 250V C521 153J 250V C535 334J C518 273J C509 273J C534 334J C519 824J 250V C513 121K C512 121K C503 121K...

Страница 19: ...35 L Y34 Q508 2SC3735 L Y34 C615 104J NO USE C612 105J C611 105J C604 105J C603 105J C520 824J 250V C521 153J 250V C535 334J C518 273J C509 273J C534 334J C519 824J 250V C513 121K C512 121K C503 121K...

Страница 20: ...P601A P601A P601C P601C 60 C P P 608A PRINTED CIRCUIT BOARD VIEWS 1 Component side POWER AMPLIFIER PC BOARD NAAF 7797 A 1 2 3 4 5 B C D www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513...

Страница 21: ...90 07 07 0 R70 0 R70 R 7 Q70 Q705 5 70 D709 70 D707 R728 R7 R728 R703 R703 R703 R R R R 70 R70 R70 D708 D 08 D708 D R731 731 1 1 403 Q4 Q401 Q401 R726 R72 2 6 R 26 R726 R72 R 26 6 6 6 1 1 1 05 6 P60 0...

Страница 22: ...VIEWS 3 Component side POWER SWITCH PC BOARD NASW 7795 DISPLAY LED PC BOARD NAETC 7794 12V TRIGGER TERMINAL PC BOARD NAPS 7792 Component side Component side A 1 2 3 4 5 B C D www xiaoyu163 com QQ3763...

Страница 23: ...YEL YEL 0 P9904 980 01 F9 A AC G H AC H RISK FIRE REPLACE FUSE AS MARKED PRINTED CIRCUIT BOARD VIEWS 4 Component side CONTROL PC BOARD NAPS 7793 A 1 2 3 4 5 B C D www xiaoyu163 com QQ376315150 9 9 2 8...

Страница 24: ...E102 106 R106 107 R1 7 R137 R13 R148 R1 R14 R1 R147 1 R R1 7 E192 E191 P161 E E E E B B B B B B B B B B B E E E E E E E E E E E E E E E E B B B B B B B B B B B RL GND2 GND2 RL RL RL RL 12V PROT 12V GN...

Страница 25: ...982 E984 E E981 P996B P997B P801B P801A E987 R903 R901 R920 R L904 4 L9 L9 4 904 L90 C916 C917 17 E983 E985A PRI PRI PRI SEC C SEC SEC PRI WHT WHT BLK W WHT BLK P101B 2 R912 R R 911 3 C923 R9 9 18 R91...

Страница 26: ...D8 D861 8 861 D D8 Q863 Q Q 863 3 Q861 Q864 Q 4 C863 Q862 Q 2 Q862 D D D862 8 868 D8 Q874 Q874 869 C8 9 C Q876 Q876 Q Q87 7 3 Q8 Q875 5 87 Q 67 7 D86 0 C870 C870 T854 T8 T T T 854 C C C866 C C C C861...

Страница 27: ...GMUTE PHTCP OUTRL FMUTE ERR 5VC GNDC P303 P601A P601B P704 P608A P607B JL701B R710 NAAF 7798 RED B P601C BLUE B RL501 RL701 P501 P502 P301 RL502 Q506 Q505 Q511 Q512 E501 P701 P702 P302 E601 S301 JL70...

Страница 28: ...GMUTE PHTCP OUTRL FMUTE ERR 5VC GNDC P303 P601A P601B P704 P608A P607B JL701B R710 NAAF 7798 RED B P601C BLUE B RL501 RL701 P501 P502 P301 RL502 Q506 Q505 Q511 Q512 E501 P701 P702 P302 E601 S301 JL70...

Страница 29: ...01B P704 P608A P607B RED B P601C BLUE B INPUT SELECT XLR RCA OUTPUT RL701 RL501 RL502 OPERATION CHECK 1 CURRENT DETECTION OF POWER SUPPLY Notes No load and No signal input How to check 1 Connect the p...

Страница 30: ...w to check 1 Set the output of the oscillator into the minimum level 2 Connect the oscilloscope to the OUTPUT terminal 3 Output a 200Hz rectangular wave from an oscillator and input into a RCA termina...

Страница 31: ...ON OF POWER AMPLIFIER CIRCUIT Notes No load and No signal input How to check 1 Connect the power supply card to a wall outlet 2 Power On the unit 3 Short circuit the both ends of P703 on NAAF 7797 4 C...

Страница 32: ...minals Spealer output relay is turned off while having detected DC voltage The relay will return automatically if DC voltage output is lost D710 MODULATOR This LED shows the state of operation of an m...

Страница 33: ...ifference between the positive power supply of secondary voltage and the negative power supply D136 LOW CURRENT This LED is turned on when a low load measure circuit operates When the switching power...

Страница 34: ...ot connect the minus side OUTPUT terminal and ground of the unit Fig 1 2 Do not connect minus of each OUTPUT terminal Fig 2 3 Cannot check with an oscilloscope between the plus side of an OUTPUT termi...

Страница 35: ...it fig 1 for a long time In order to prevent short circuit be careful not to drop metallic parts etc around this circuit Before disassembling you have to discharge circuit voltage by following one of...

Страница 36: ...crews Front side Front side Power supply unit Move the power supply unit to front side Take out a power amp unit from the chassis Power amp unit Front side www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2...

Страница 37: ...ower supply unit to up side By removing each screw of three copper plates RETAINER You can remove an amplifier unit completely NAPS 7788 Soldering side Power supply unit Front side www xiaoyu163 com Q...

Страница 38: ...t the terminal PCB assy NAPS 7791 2 Remove the four screws By doing the following work You can separate NAPS 7790 and the heat sink 1 Remove two soldering 2 Remove the six screws By doing the followin...

Страница 39: ...INK POW 1 27160521A A024 RETAINER HT 27141832 A025 SCREW 3TTB 8B BC 838430088 A024x6 PCBx6 A026 SCREW 3TTS 16B BC 834430168 A027 SCREW 3SMS8W SW 14B BC 801433 A030 HEAT SINK POW 2 27160522A A031 RETAI...

Страница 40: ...6 GUIDE POW 27268064B A427 BADGE 28135278 A430 KNOB POW AS 28326045A A431 SCREW 3TTB 8B BC 838430088 A435 CUSHION 150x100xt10 28141536 A901 WIRE TIE BINDER CLAMPER UL 260208 D101 DIODE FMG 33S 2238033...

Страница 41: ...988A BUSHING 70 28170071 P9904 SOCKET AS NSAS 2P0903 2009990649 P9908C CORE HF70T18X10X10 230970 P990A BUSHING 70 28170071 Q505 TR FQP22P10 2203770 Q505B ISO SHEET M80 D 2 223037 Q506 TR FQP33N10 2203...

Страница 42: ...PRIMARY POWER SUPPLY PC BOARD NAPS 7788 1A REF NO PART NAME DESCRIPTION PART NO NOTE D903 DIODE D1NL40 22380323 D904 DIODE D1NL40 22380323 D905 DIODE D1NL40 22380323 D906 DIODE D1NL40 22380323 D907 LE...

Страница 43: ...9 METAL O R RS1 2WBJ 47 443524704 R920 RESISTOR RD1 2SPH 1M 4000205S R923 METAL O R RS1 2WBJ 33K 442523334F R924 METAL O R RS1 2WBJ 33K 442523334F RL901 RELAY NRL 1P10A DC12 140 25065584 PRIMARY RL902...

Страница 44: ...ELECT C CE04W100V 100M 352791019S C161 TF C ECQ B50V 103J 374721034 C162 TF C ECQ B50V 102J 374721024 C163 ELECT C CE04W16V 47M 354744709 R106 METAL R RNU1 2WCJ 0 22 453532294 R107 METAL R RNU1 2WCJ...

Страница 45: ...1 250113 F901B FUSE HOLDER SN5051 250113 U4 TEMPERATURE SENSOR PC BOARD NAETC 7803 REF NO PART NAME DESCRIPTION PART NO NOTE R163 CARBON R R16J 5 6K 417345624 JL132A WIRE HOL NSCT 3P874 25051087 R184...

Страница 46: ...3 223163 D845 ZENER D MTZJ24D 224472404 D847 DIODE 1SS133 223163 D848 ZENER D MTZJ24D 224472404 D851 LED SEL4110R 225290 TH1 PROT D861 DIODE AK04 22380325 D862 DIODE AK04 22380325 D863 DIODE AK04 2238...

Страница 47: ...44 C863 ELECT C CE04W16V 22M 354742209 C864 TF C ECQ V50V 104J 374721044 C865 ELECT C CE04W16V 22M 354742209 C866 ELECT C CE04W35V 330M 354763319S C867 TF C ECQ V50V 104J 374721044 C868 ELECT C CE04W1...

Страница 48: ...872 C CARBON R RN72K1J 100JE 435031004R1 R873 C CARBON R RN72K1J 100JE 435031004R1 R874 C CARBON R RN72K1J 100JE 435031004R1 R875 METAL R RNU1 2WCJ 0 47 453534794 R876 METAL R RNU1 2WCJ 0 47 453534794...

Страница 49: ...S08FU 22241172R2 Q9826 TR RN1402 2214470R2 Q9827 IC TC74HC123AF 222741235R2O Q9828 TR 2SK3018 2216010R2 Q9829 IC TC7S08FU 22241172R2 Q9830 TR 2SK3018 2216010R2 Q9831 TR RN1402 2214470R2 Q9832 TR RN140...

Страница 50: ...031054R1 R9810 C CARBON R RN72K1J 103JE 435031034R1 R9811 C CARBON R RN72K1J 272JE 435032724R1 R9812 C CARBON R RN72K1J 221JE 435032214R1 R9813 METAL O R RS2WBJ 150 441721514F R9814 C CARBON R RN72K1J...

Страница 51: ...AME DESCRIPTION PART NO NOTE C9850 IS C DE1610F103M KH 3300055 S9801 P SW NPS 111 L512P 25035550 POWER P9904 SOCKET AS NSAS 2P0903 2009990649 U11 TEMPERATURE SENSOR PC BOARD NAETC 7802 REF NO PART NAM...

Страница 52: ...74FU 22241408R2 Q705 TR RN2402 2214530R2 Q706 TR RN1404 2214490R2 Q707 TR RN2402 2214530R2 Q708 TR 2SA965 Y 2211644 Q709 TR 2SC2712 GR 2213145R2 Q711 PHT CP TLP521 2GB 24120002 Q713 TR RN1402 2214470R...

Страница 53: ...NCH 1591 231314330 C301 TF C ECQ B50V 681J 374726814 C302 TF C ECQ B50V 681J 374726814 C303 VX C CE04W50V 47M VX 393384707 C304 VX C CE04W50V 47M VX 393384707 C305 VX C CE04W50V 47M VX 393384707 C306...

Страница 54: ...14 C532 TF C ECQ B100V 681J 374736814 C534 TF C ECQ V50V 334J 374723344 C535 TF C ECQ V50V 334J 374723344 C580 TF C ECQ V50V 474J 374724744 C581 TF C ECQ V50V 105J 374721054 C582 TF C ECQ V50V 474J 37...

Страница 55: ...43924 R327 METAL O R RS1 2WBJ 22 443522204 R328 METAL O R RS1 2WBJ 22 443522204 R329 METAL O R RS1 2WBJ 22 443522204 R330 METAL O R RS1 2WBJ 22 443522204 R331 FR CORE BL02RN1 R62 230905 TA5 R334 CARBO...

Страница 56: ...16J 2 2 417340224 R530 CARBON R R16J 2 2 417340224 R531 CARBON R R16J 1K 417341024 R532 CARBON R R16J 1K 417341024 R533 CARBON R R16J 2 2 417340224 R534 CARBON R R16J 10 417341004 R537 CARBON R R16J 8...

Страница 57: ...RN72K1J 121JE 435031214R1 R706 C CARBON R RN72K1J 222JE 435032224R1 R707 C CARBON R RN72K1J 563JE 435035634R1 R707A C CARBON R RN72K1J 563JE 435035634R1 R708 C CARBON R RN72K1J 683JE 435036834R1 R711...

Страница 58: ...S 14P0221 2002391410 P702 PLUG NPLG 7P135 25055151 P703 PLUG NPLG 2P29 25055038 P704 PLUG NPLG 2P29 25055038 A902 TAPE TAPE CROSS 16U 29110083 RL501 502 701 Q603A E601 RETAINER KANAGU 27141059 JL701A...

Страница 59: ...WAVEFORM OF EACH PART 1 POWER SUPPLY SECTION www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296...

Страница 60: ...No output No output No output WAVEFORM OF EACH PART 2 AMPLIFIER SECTION www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 37631...

Страница 61: ...trimming resistor so that the reading of DC voltmeter becomes standard value Standard value 53 6 0 4 V 6 Wait for five minutes 7 Check the voltage of P108 again If reading of a voltmeter is outside a...

Страница 62: ...resistor so that the reading of DC voltmeter becomes standard value Standard value 0 5m V 6 Wait for five minutes 7 Check the voltage of OUTPUT again If reading of a voltmeter is outside a standard w...

Страница 63: ...08 A608 A630 A610 A603 A801 P901 A802 A602 A605 A650 A670 PACKING VIEW Set by four kinds of parts www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q...

Страница 64: ...OSAKA 572 8540 JAPAN Tel 072 831 8111 Fax 072 833 5222 http www onkyo co jp ONKYO CORPORATION Integra Division of ONKYO U S A CORPORATION 18 Park Way Upper Saddle River N J 07458 U S A Tel 201 785 260...

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