Integra DTA-9.4 Service Manual
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Integra DTA-9.4 Service Manual

Seven channel amplifer
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3 7 63 1515 0
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L 13942296513
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SERVICE MANUAL
SERVICE MANUAL
SEVEN CHANNEL AMPLIFIER
MODEL
BUDD
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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u163
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http://www.xiaoyu163.com
2 9
8
DTA-9.4
Black model
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3
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1 3
1 5
120V AC, 60Hz
ON THE
co
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9 4
2 8
Ref. No. 3750
May, 2003
0 5
8
2 9
9 4
2 8
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DTA-9.4
9 9
9 9

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  • Page 1 DTA-9.4 3 7 63 1515 0 Ref. No. 3750 SERVICE MANUAL SERVICE MANUAL May, 2003 SEVEN CHANNEL AMPLIFIER DTA-9.4 MODEL Black model L 13942296513 BUDD 120V AC, 60Hz 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.

  • Page 2: Specifications

    DTA-9.4 3 7 63 1515 0 SPECIFICATIONS Amplifier section General Continuous average power output Power Supply AC 120 V, 60 Hz (FTC Power, Rated Power) (Measured with AES-17 LPF) Power Consumption 5.3 A Front L/R: 120 Watts per channel min. RMS. Into...
  • Page 3 DTA-9.4 3 7 63 1515 0 OPERATION CHECK-1 CHECK THE DC POWER SUPPLY CURRENT DETECTION Notes No load and No signal input. How to check? 1. Remove the top cover. 2. Connect the power supply card to a wall outlet.
  • Page 4 DTA-9.4 3 7 6 3 1 5 1 5 0 A044 A071 EXPLODED VIEW A078 A070 A042 A044 A041 A071 A080 A024 A044 A070 A025 A042 A049 A044 A023 A402 A401 A043 A081 A025 A028 A050 A026 A075 A041...

  • Page 5: Block Diagrams

    DTA-9.4 3 7 63 1515 0 BLOCK DIAGRAMS +B+(27V) RL501 Q303 RCA Type 10.4dB 70kHz LPF Q302 MOS FET Driver INPUT Q301 (7.4dB) Q507-Q510 10.4dB Modurator XLR Type (6.7dB) RL501 Q301 Q405-Q408 Cold RL502 Q302 10.4dB MOS FET Driver...
  • Page 6 DTA-9.4 3 7 63 1515 0 U15: NAAF-7797 POWER AMPLIFIER PC BOARD U16: NAAF-7798 TEMPERATURE SENSOR PC BOARD RL701 D705 Speaker Output DC Output Over Current Relay Driver Warning Detection SPEAKER DC Offset Q701 Q708,Q715 Detection OUTPUT Q580, Q581...
  • Page 7 DTA-9.4 DTA-9.4 3 7 6 3 1 5 1 5 0 BLOCK DIAGRAMS +B+(27V) U15: NAAF-7797 POWER AMPLIFIER PC BOARD Q303 RL501 U16: NAAF-7798 RCA Type TEMPERATURE SENSOR 10.4dB 70kHz LPF Q302 MOS FET PC BOARD RL701 Driver INPUT Q301 (7.4dB)
  • Page 8 R808 Q815 2J 11 R859 2SC3324GR 74HC08 Q813 RN1402 4.7K 74HCU04 2PR 10 R824 (1/2W) Q808 2SC3324GR 2Q 9 Q814 74HC08 PRIGND DTA-9.4/DTA-7 UDD/UJJ RC-202725 PART-3 w w w NCPS7788.SCH 2003/04/08 15:28:04 03/04/08 E841 (PRI) u 1 6 3 http://www.xiaoyu163.com...
  • Page 9 DTA-9.4 DTA-9.4 3 7 6 3 1 5 1 5 0 SCHEMATIC DIAGRAMS-3 POWER SUPPLY SECTION P904 NAPS-7788 PRIMARY POWER SUPPLY PC BOARD 12V INPUT NAPS-7789 D902 SECONDRY POWER FOR TEST SM25GZ51 AC-H C901 D903 D1NL40 SUPPLY PC BOARD...

  • Page 10: Naps

    DTA-9.4 DTA-9.4 3 7 6 3 1 5 1 5 0 SCHEMATIC DIAGRAMS-2 CONTROL SECTION R9841 NAPS-7793 D9816 Q9827 74HC123 CONTROL PC BOARD 1SS133 VCC 16 1RX/CX 15 R9840 1CLR 1CX 14 1Q 13 2Q 12 12.0 2CLR 11...
  • Page 11 DTA-9.4 DTA-9.4 3 7 6 3 1 5 1 5 0 SCHEMATIC DIAGRAMS-1 NOTE POWER AMPLIFIER SECTION THE COMPONENTS IDENTFIED BY MARK ARE CRITICAL FOR SAFETY. REPLACE ONLY WITH PART NUMBER SPECIFIED. P303 (NO USE) . VOLTAGE(MEASURED WITH VOLTMETER) IS DC VOLTAGE.
  • Page 12 DTA-9.4 3 7 63 1515 0 SCHEMATIC DIAGRAMS-4 POWERSUPPLY CONTROL SECTION From NAPS-7788 From NAPS-7788 From NAPS-7788 (P801A/P801B) D901 RBV-2506 P801C L902 NCH-1600 NAPS-7790 (DT-4020H) C920 QETJ5104KPP2CS SWITCHING CONTROL PC BOARD L903 NCH-1600 (DT-4020H) C891 UDD:168V UJJ:141V B471K-KX PRIGND...
  • Page 13 POSISTOR PC BOARD R851 8.2K UDD:168V UJJ:141V 10/16 C851 Q842 2SA1488 Q845 2SA992 Q841 R822 2SC2458GR D843 R823 Q843 SPX-G32S 2SK2599 R825 Q848 78M05 R859 (1/2W) R824 PRIGND DTA-9.4/DTA-7 UDD/UJJ RC-202725 PART-3 NCPS7788.SCH 2003/04/08 15:28:04 03/04/08 E841 (PRI) u163 http://www.xiaoyu163.com...

  • Page 14: Power Supply Section

    DTA-9.4 3 7 63 1515 0 SCHEMATIC DIAGRAMS-3 POWER SUPPLY SECTION NAPS-7788 PRIMARY POWER SUPPLY PC BOARD D902 SM25GZ51 AC-H C901 D903 D1NL40 P996B R905 D904 D1NL40 (1W) P997B D905 D1NL40 AC-G D906 D1NL40 R903 UDD:168V UJJ:141V (5W) R901...

  • Page 15: Naetc

    DTA-9.4 3 7 63 1515 0 P904 NAPS-7789 12V INPUT SECONDRY POWER FOR TEST SUPPLY PC BOARD +27V P101A P101B T902 NSWT-3025 D941 EK16 L941 NCH-1602 L101 D101 D942 EK16 +27V NCH-1605 FMG33S +27V BUS BAR D943 EK16 R909 (DT-3620) 0.22 (1/2W)

  • Page 16: Control Section

    DTA-9.4 3 7 63 1515 0 SCHEMATIC DIAGRAMS-2 CONTROL SECTION NAPS-7793 CONTROL PC BOARD D9819 AM01Z CAUTION D9820 From NAETC-7801 FOR CONTINUED PROTECTION (P9911A, P9911B) AM01Z AGAINST FIRE HAZARD, REPLACE ONLY WITH FUSE OF SAME TYPE D9802 AM01Z AND RATING INDICATED.
  • Page 17 DTA-9.4 3 7 63 1515 0 R9841 D9816 Q9827 74HC123 1SS133 VCC 16 1RX/CX 15 R9840 1CX 14 1CLR 1Q 13 2Q 12 2CLR 11 12.0 R9837 2RX/CX 2B 10 Q9831 2A 9 RN1402 Q9826 RN1402 R9835 Power Supply Control 12.0...
  • Page 18 DTA-9.4 3 7 63 1515 0 SCHEMATIC DIAGRAMS-1 POWER AMPLIFIER SECTION P303 (NO USE) C313 P301 R334 R337 R339 100/50 R338 Q303 RCA type C314 R344 R335 Q402 RN2402 NJM4565M 100/50 P608B 15.0 Q401 R409 2SA1162-GR INPUT 5.6K R405...
  • Page 19 DTA-9.4 3 7 63 1515 0 NOTE THE COMPONENTS IDENTFIED BY MARK ARE CRITICAL FOR SAFETY. REPLACE ONLY WITH PART NUMBER SPECIFIED. . VOLTAGE(MEASURED WITH VOLTMETER) IS DC VOLTAGE. (NO INPUT SIGNAL) . ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.

  • Page 20: Printed Circuit Board Views

    DTA-9.4 3 7 63 1515 0 PRINTED CIRCUIT BOARD VIEWS-1 POWER AMPLIFIER PC BOARD (NAAF-7797) Component side L 13942296513 C531 C306 C307 u163 http://www.xiaoyu163.com...
  • Page 21 DTA-9.4 3 7 63 1515 0 PRINTED CIRCUIT BOARD VIEWS-2 AMPLIFIER TERMAL SENSOR PC BOARD (NAAF-7798) POWER AMPLIFIER PC BOARD (NAAF-7797) Component side Soldering side R588 R588 R588 R587 R587 R 592 R590 R590 D516 D516 D516 Q714 R408...

  • Page 22: Http://Www.xiaoyu163.Com

    DTA-9.4 3 7 63 1515 0 PRINTED CIRCUIT BOARD VIEWS-3 POWER SWITCH PC BOARD (NASW-7795) Component side P9904A S9801 S9801 12V TRIGGER TERMINAL PC BOARD (NAPS-7792) Component side E9902 E9903 P9910 L 13942296513 NCPS-7792 P9910 25137792 P9908A DISPLAY LED PC BOARD...
  • Page 23 DTA-9.4 3 7 63 1515 0 PRINTED CIRCUIT BOARD VIEWS-4 CONTROL PC BOARD (NAPS-7793) Component side Q9812 WER SUPPL N CPS-7793 WARNING WARNING WARNING G 25137793 RISK FIRE -REPLACE FUSE AS MARKED L 13942296513 F9801A F9801B 1A/125V AC-H A C-G...
  • Page 24 DTA-9.4 3 7 63 1515 0 PRINTED CIRCUIT BOARD VIEWS-5 E102 GND2 GND2 R167 R1 7 R166 R165 D161 D161 Q161 Q161 Q101 Q102 R109 R108 R115 R115 R114 D106 D105 D108 D D 108 D107 D D 07...
  • Page 25 DTA-9.4 3 7 63 1515 0 PRINTED CIRCUIT BOARD VIEWS-6 R920 C926 C926 6 PRIMARY POWER GND2 SUPPLY PC BOARD R R L902 (NAPS-7788) RL L 902 Component side L901 L905 L905 RL901 RL901 C924 C924 C906 L901 P801B...
  • Page 26 DTA-9.4 3 7 63 1515 0 PRINTED CIRCUIT BOARD VIEWS-7 R815 Q810 Q803 Q803 Q804 Q802 Q802 Q802 Q805 Q805 Q808 Q808 Q809 Q809 Q809 Q809 Q809 Q806 Q806 Q806 Q806 Q806 D803 Q 815 C803 C C 80...
  • Page 27 DTA-9.4 3 7 63 1515 0 PC BOARD CONNECTION DIAGRAM SURROUND LEFT SURROUND BACK LEFT CENTE LEFT OUTPUT OUTPUT OUTPUT INPUT INPUT INPUT INPUT SELECT SELECT SELECT SELECT P608B P608B P608B P608B P302 P302 P302 P302 RL701 RL701 RL701...

  • Page 28: P902B

    DTA-9.4 3 7 63 1515 0 SURROUND RIGHT SURROUND BACK RIGHT NTER RIGHT OUTPUT OUTPUT OUTPUT OUTPUT INPUT INPUT INPUT SELECT SELECT SELECT P608B P608B P608B P608B P302 P302 P302 RL701 RL701 RL701 NAAF-7797 NAAF-7797 NAAF-7797 POWER AMPLIFIR PC BOARD...
  • Page 29 DTA-9.4 3 7 63 1515 0 OPERATION CHECK-1 CURRENT DETECTION OF POWER SUPPLY Notes No load and No signal input. P161 How to check? 1. Connect the power supply card to a wall outlet. 2. Power On the unit.
  • Page 30 DTA-9.4 3 7 63 1515 0 OPERATION CHECK-2 DC VOLTAGE DETECTION 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.
  • Page 31 DTA-9.4 3 7 63 1515 0 OPERATION CHECK-3 THERMAL DETECTION 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.
  • Page 32 DTA-9.4 3 7 63 1515 0 OPERATION CHECK-4 OPERATION INDICATOR IN THE UNIT-1 (RED) D705 D705 (DC OUTPUT) NAAF-7797 This LEDTurned on when DC voltage is detected between speaker output OUTPUT terminals. INPUT SELECT Spealer output relay is turned off while having detected DC voltage.

  • Page 33: P902B

    DTA-9.4 3 7 63 1515 0 OPERATION CHECK-5 OPERATION INDICATOR IN THE UNIT-2 D133 (REGULATED) (RED) This LED is turned on when the voltage of a secondary power supply output is normal. D133 The detection circuit which is source of the drive about this LED is supervising only...
  • Page 34 OPERATION CHECK-6 CAUTION IN THE CASE OF SPEAKER OUTPUT CHECK The power amplifier circuit of DTA-9.4 is BTL system. Therefore, in case you check speaker output, should be careful of the following point. 1. Do not connect the minus side OUTPUT terminal, and ground of the unit (Fig-1).
  • Page 35 DTA-9.4 3 7 63 1515 0 DISASSEMBLING PROCEDURES-1 ATTENTION ON DISASSEMBLIING 1. Before disassembling After turning off a power supply switch, the high voltage is maintained in the following circuit (fig-1) for a long time. In order to prevent short-circuit, be careful not to drop metallic parts etc. around this circuit.
  • Page 36 DTA-9.4 3 7 63 1515 0 DISASSEMBLING PROCEDURES-2 REMOVE A POWERB AMP. UNIT AND A POWER SUPPLY UNIT FROM CHASSIS Remove the three screws. Move the power supply unit to front side. Rear panel Power supply unit Front side Remove the four screws.
  • Page 37 DTA-9.4 3 7 63 1515 0 DISASSEMBLING PROCEDURES-3 REMOVE A POWERB AMP. UNIT AND A POWER SUPPLY UNIT FROM CHASSIS Remove the four screws. Move the power supply unit to up side. Power supply unit NAPS-7788 Soldering side Front side Remove the four screws.
  • Page 38 http://www.xiaoyu163.com DTA-7 3 7 63 1515 0 DISASSEMBLING PROCEDURES-4 DISASSEMBLING OF POWER SUPPLY UNIT Remove 18 soldering. By doing the following work, You can separate NAPS-7789 and NAPS-7790. 1. Disconnect the terminal PCB assy NAPS-7791. 2. Remove the four screws. NAPS-7791 Front side By doing the following work, You can separate NAPS-7790...
  • Page 39 3 7 63 1515 0 EXPLODED DTA-9.4 VIEW PARTS LIST REF NO. PART NAME DESCRIPTION PART NO. NOTE A001 F BRACKET 27111311 A002 SCREW 3TTB+8B(BC) 838430088 A003 HOLDER (BUSHING) TB-1116 27190635 A005 NOT SUPPLY A006 CHASSIS 27100429A A007 SCREW...
  • Page 40 A087 SCREW 4TTB+8C(BC) 838440089 A401 REAR PANEL 27123062B A402 SCREW 3TTB+8B(BC) 838430088 A403 SCREW 4TTB+8C(BC) 838440089 A410 LABEL HOOKUP-INTEGRA 29363195 A420 F PANEL 27212464B A421 SCREW 3TTB+8B(BC) 838430088 A422 END CAP 28125396 A423 END CAP 28125397 L 13942296513 A424 FACET...
  • Page 41 http://www.xiaoyu163.com 3 7 63 1515 0 F901 FUSE 12A-UL/T-314 252196 F9801 FUSE 1A-UL/T-233 252280 F9801 or FUSE 1A-UL/T-237 252156 L651 CORE HF70T18X10X10 230970 P001 WIRE TIE BINDER(CLAMPER)UL 260208 P193A BUSHING 28170071 P193B BUSHING 28170071 P194A BUSHING 28170071 P194B BUSHING 28170071 P195A BUSHING 28170071...

  • Page 42: Pc Board Parts List

    TERMINAL PC BOARD NAPS-7791 1A953591-1A POWER AMPLIFIER PC NAAF-7797 1A953597-1A BOARD ASSY TEMPERATURE SENSOR NAAF-7798 1A953598-1A PC BOARD ASSY BOARD PC BOARD DTA-9.4 L 13942296513 PARTS LIST PRIMARY POWER NAPS-7788-1A SUPPLY PC BOARD REF NO. PART NAME DESCRIPTION PART NO. NOTE D903...
  • Page 43 http://www.xiaoyu163.com 3 7 63 1515 0 C905 IS C QEX2E104KTP2CS 3800033S C906 CERA C DE0910-1E102MKX 3300053S C907 CERA C DE0910-1E102MKX 3300053S C909 ELECT C CE69W200V1500M(KMQ) 3504385 C910 ELECT C CE69W200V1500M(KMQ) 3504385 C911 ELECT C CE69W200V1500M(KMQ) 3504385 C912 ELECT C CE69W200V1500M(KMQ) 3504385 C916 FILM C DADC400V-105J...
  • Page 44 http://www.xiaoyu163.com 3 7 63 1515 0 Q135 2SC1845-E 2211733 Q135 or 2SC1845-F 2211732 Q136 2SC1815-GR 2211255 Q137 2SC1845-E 2211733 Q137 or 2SC1845-F 2211732 Q138 2SC1845-E 2211733 Q138 or 2SC1845-F 2211732 Q161 2SC2458-GR 2212115 Q162 2SC2458-GR 2212115 Q163 2SC2458-GR 2212115 D105 ZENER D MTZJ5.6B 224470562...
  • Page 45 http://www.xiaoyu163.com 3 7 63 1515 0 R161 CARBON R R16J-1.8K 417341824 R162 CARBON R R16J-6.8K 417346824 R164 CARBON R R16J-1.8K 417341824 R165 CARBON R R16J-1.5K 417341524 R166 CARBON R R16J-470 417344714 R169 CARBON R R16J-1.2K 417341224 R170 CARBON R R16J-47K 417344734 R171 CARBON R...
  • Page 46 http://www.xiaoyu163.com 3 7 63 1515 0 Q844 2SC2458-GR 2212115 Q845 2SA992-E 2211793 Q848 IC(REGULATOR) 78M05HF 222780055 Q851 PHT CP TLP421 24120103 Q852 2SC2120-Y 2211164 Q853 2SC2120-Y 2211164 Q861 2SA950-Y 2211504 Q862 2SC2120-Y 2211164 Q863 2SC2120-Y 2211164 Q864 2SA950-Y 2211504 Q865 2SA950-Y 2211504 Q866...
  • Page 47 http://www.xiaoyu163.com 3 7 63 1515 0 L881 CHOKE COIL NCH-0604 231329R2 L902 CHOKE COIL NCH-1600 231323 L903 CHOKE COIL NCH-1600 231323 T851 SW TRANS NSWT-3026 231324A T852 SW TRANS NSWT-3026 231324A T853 SW TRANS NSWT-3026 231324A T854 SW TRANS NSWT-3026 231324A C801 C-CERA C...

  • Page 48: P902B

    http://www.xiaoyu163.com 3 7 63 1515 0 R816 C-CARBON R RN72K1J-103JE 435031034R1 R817 C-CARBON R RN72K1J-472JE 435034724R1 R818 C-CARBON R RN72K1J-472JE 435034724R1 R819 C-CARBON R RN72K1J-103JE 435031034R1 R820 C-CARBON R RN72K1J-682JE 435036824R1 R821 C-CARBON R RN72K1J-273JE 435032734R1 R822 C-CARBON R RN72K1J-100JE 435031004R1 R823 C-CARBON R...
  • Page 49 http://www.xiaoyu163.com 3 7 63 1515 0 E9902 TRM(SCREW) NEGITANSI M3 25065425 E9903 TRM(SCREW) NEGITANSI M3 25065425 CONTROL PC BOARD NAPS-7793 REF NO. PART NAME DESCRIPTION PART NO. NOTE FT9801 PHT CP TLP521-2GB 24120002 Q9801 2SA965-Y 2211644 Q9802 RN1401 2214460R2 Q9803 TC74HC00AF 222740005R2O Q9804...
  • Page 50 http://www.xiaoyu163.com 3 7 63 1515 0 D9822 C-DIODE 1SS355 223269R2 T9801 P TRANS NPT-1461D 2301672 L942 CORE NFY-25 BLACK 230945 L998 CORE NFY-25 BLACK 230945 C9801 IS C DE1310E472M-KH 3300054 C9802 TF C ECQ-B50V-103J 374721034 C9803 TF C ECQ-B50V-103J 374721034 C9804 TF C ECQ-B50V-103J...
  • Page 51 http://www.xiaoyu163.com 3 7 63 1515 0 R9839 C-CARBON R RN72K1J-473JE 435034734R1 R9840 C-CARBON R RN72K1J-103JE 435031034R1 R9841 C-CARBON R RN72K1J-103JE 435031034R1 R9842 C-CARBON R RN72K1J-103JE 435031034R1 P801C PLUG NPLG-3P1113 25056174 P9904A PLUG NPLG-2P631 25055675 P9907B PLUG NPLG-3P131 25055147 P9908B PLUG NPLG-5P133 25055149 P9909...
  • Page 52 http://www.xiaoyu163.com 3 7 63 1515 0 Q501 2SA1462-Y34 2216792R2 Q502 2SC3735-Y34 2216802R2 Q503 2SC3733-L 2216772 Q504 2SA1460-L 2216782 Q507 2SA1462-Y34 2216792R2 Q508 2SC3735-Y34 2216802R2 Q509 2SC3733-L 2216772 Q510 2SA1460-L 2216782 Q513 2SC1622A(D18) 2216154R2 Q514 2SC1622A(D18) 2216154R2 Q515 2SA1162-GR 2214375R2 Q517 2SC1622A(D18) 2216154R2 Q518...
  • Page 53 http://www.xiaoyu163.com 3 7 63 1515 0 D512 C-DIODE EC21QS10 22380334R2 D513 C-DIODE 1SS355 223269R2 D514 C-DIODE 1SS355 223269R2 D515 ZENER D UDZS30B 224553000R2 D516 ZENER D UDZS30B 224553000R2 D517 C-DIODE 1SS355 223269R2 D518 C-DIODE 1SS355 223269R2 D580 C-DIODE 1SS355 223269R2 D581 C-DIODE 1SS355...
  • Page 54 http://www.xiaoyu163.com 3 7 63 1515 0 C413 TF C ECQ-B50V-101K 374721015 C501 VX C CE04W16V-470M(VX) 393344717 C502 VX C CE04W16V-470M(VX) 393344717 C503 TF C ECQ-B50V-121K 374721215 C504 TF C ECQ-B50V-121K 374721215 C505 VX C CE04W63V-22M(VX) 393372207 C506 VX C CE04W63V-22M(VX) 393372207 C507 VX C...
  • Page 55 http://www.xiaoyu163.com 3 7 63 1515 0 C705 TF C ECQ-V50V-104J 374721044 C706 C-CERA C CK725B1H-103K1 332101035R1 C707 C-CERA C CK725F1E-104Z1 332161040R1 C708 C-CERA C CK725F1E-104Z1 332161040R1 C751 VX C CE04W16V-10M(VX) 393341007 C752 C-CERA C CK725F1E-104Z1 332161040R1 R301 CARBON R R16J-120 417341214 R302 CARBON R...
  • Page 56 http://www.xiaoyu163.com 3 7 63 1515 0 R414 C-CARBON R RN72K1J-223JE 435032234R1 R415 C-CARBON R RN72K1J-223JE 435032234R1 R416 C-CARBON R RN72K1J-332JE 435033324R1 R417 C-CARBON R RN72K1J-332JE 435033324R1 R418 C-CARBON R RN72K1J-100JE 435031004R1 R419 C-CARBON R RN72K1J-100JE 435031004R1 R430 TRIM R N06HR100BE 5210280 DC OFFSET ADJ.

  • Page 57: R725

    http://www.xiaoyu163.com 3 7 63 1515 0 R581 CARBON R R16J-100K 417341044 R582 CARBON R R16J-47K 417344734 R583 CARBON R R16J-47K 417344734 R584 CARBON R R16J-220K 417342244 R585 CARBON R R16J-220K 417342244 R586 CARBON R R16J-1M 417341054 R587 C-CARBON R RN72K1J-104JE 435031044R1 R588 C-CARBON R...

  • Page 58: Parts List

    A610 PP TAPE W48 OPP TAPE 29110148 1.6::MT:: A630 POLY BAG 350*250 29100097-1A A650 CARTON (UDD) 29053995A A652 UPC LABEL 29363388 A670 WRNTY CARD (INTEGRA) 29365089 A801 CORD AS 3.5 ST PLUG 2010415 u163 A802 INS MANUAL E(DTA-9.4) 29343446A http://www.xiaoyu163.com...
  • Page 59 DTA-9.4 3 7 63 1515 0 WAVEFORM OF EACH PART-1 POWER SUPPLY SECTION Wave1 No output Wave2 No output L 13942296513 Wave3 No output Wave3 No output u163 http://www.xiaoyu163.com...
  • Page 60 DTA-9.4 3 7 63 1515 0 WAVEFORM OF EACH PART-2 AMPLIFIER SECTION Wave1 No output Wave5 No output Wave2 Wave6 No output No output L 13942296513 Wave3 Wave7 No output Output 1kHz 10Watts Wave4 No output u163 http://www.xiaoyu163.com...

  • Page 61: Adjustment Procedures

    DTA-9.4 3 7 63 1515 0 ADJUSTMENT PROCEDURES-1 POWER SUPPLY VOLTAGE ADJUSTMENT When adjustment? Replace the NAPS-7789 (secondary power supply PC board) Notes No load and No signal input. How to adjustment? 1. Remove the top cover. 2. Connect a DC volt meter to the P108 Test point on the NADG-7313) 3.
  • Page 62 DTA-9.4 3 7 63 1515 0 ADJUSTMENT PROCEDURES-2 DC OFFSET ADJUSTMENT When adjustment? Replace the NAAF-7797 (Power amplifier PC board) Notes No load and No signal input. How to adjustment? 1. Remove the top cover. 2. Connect a DC volt meter to the OUTPUT (Speaker terminal) 3.
  • Page 63 DTA-9.4 3 7 63 1515 0 PACKING VIEW A670 P901 SERIAL NO. A801 A802 A601 Set by four kinds of parts. A630 A608 A602 L Top R Top FRONT SIDE FRONT SIDE L 13942296513 FRONT SIDE A608 A605 L Bottom...
  • Page 64 Tel: 072-831-8111 Fax: 072-833-5222 http://www.onkyo.co.jp/ Integra Division of 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 E-mail: integra@onkyousa.com http://www.integrahometheater.com ONKYO EUROPE ELECTRONICS GmbH Industriestrasse 20, 82110 Germering, GERMANY Tel: 089-849-320 Fax: 089-849-3265 E-mail: info@onkyo.de...

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