Integra NAC-2.3 Service Manual
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Integra NAC-2.3 Service Manual

Integra NAC-2.3 Service Manual

Audio network receiver
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Download this manual See also: Instruction Manual
SERVICE MANUAL
SERVICE MANUAL
Audio Network Receiver
MODEL
Standby/On
Standby
Setup
Phones
Silver model
BMDD
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.
NAC-2.3
Volume
Audio
Input
Stop
Play/ Pause
Display
Select
NAC - 2.3
120V AC, 60Hz
ON THE
NAC-2.3
Ref. No. 3763
Dec, 2002

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  • Page 1 NAC-2.3 Ref. No. 3763 SERVICE MANUAL SERVICE MANUAL Dec, 2002 Audio Network Receiver NAC-2.3 MODEL Volume Standby/On Audio Input Stop Play/ Pause Standby Display Setup Phones Select NAC - 2.3 Silver model BMDD 120V AC, 60Hz SAFETY-RELATED COMPONENT WARNING!! COMPONENTS IDENTIFIED BY MARK...
  • Page 2 NAC-2.3...
  • Page 3 NAC-2.3 OPERATING INSTRUCTIONS SAFETY PRECAUTIONS The lightning flash with arrowhead symbol, within an equilateral triangle, is WARNING WARNING intended to alert the user to the presence of uninsulated "dangerous voltage" RISK OF ELECTRIV SHOCK within the product's enclosure that may be of sufficient magnitude to constitute DO NOT OPEN a risk of electric shock to persons.
  • Page 4 NAC-2.3...

  • Page 5: On Screen Display (Osd)

    NAC-2.3 On Screen Display (OSD) OSD menu flowchart (Internet Radio) AUDIO INPUT Cursor SELECT DISPLAY Cursor , SELECT SETUP SELECT Select station Select Input station Select preset Save preset FM Radio Tune to station to preset character type name number...
  • Page 6 NAC-2.3...
  • Page 7 NAC-2.3 EXPLODED VIEW A315 A026 A108 A311 A017 P101 A310 P608 P610 P602 U003 U101D U009 P606 U001 A025 A104 A029 A016 A016 A040 A101 U008 A015 U002 A120 U006 F901 A035 U000 A013 A013 A110 U004 P7001 A060 Q501A...

  • Page 8: Schematic Diagrams

    NAC-2.3 SCHEMATIC DIAGRAMS Network Circuit Section - 1/2 3.3V 2.5V Voltage Regurator MultiMedia CPU +2.5V +5.6V +2.5V +3.3V +3.3V +5.6V L603 P606B Q601 BA33C25FP +3.3V NFM60R10T471 L601 Main Memory BLM21P221SG Q607 C692 C613 +3.3V +3.3V Q603 COL7 COL6 DQ15 C627...

  • Page 9: Main Memory

    NAC-2.3 SCHEMATIC DIAGRAMS Network Circuit Section - 2/2 +3.3V +3.3V Main Memory Program Flash ROM Q603 Q616 +3.3V DQ15 SA19 RXD+ 100_1% R601 100_1% R602 DQ14 SA18 R553 100_1% R554 100_1% DQ13 SA17 R603 0 R555 R556 27K_1% 27K_1% A12/NC...

  • Page 10: Schematic Diagram

    NAC-2.3 SCHEMATIC DIAGRAM - 1 -12V +12V R331 Q312 RN1241 R332 Q311 RN1241 R226 4.7 R225 4.7 R215 1.5K R201 1.5K R211 R209 R223 Q201 Q202 Q203 1.5K R207 NJM4565M-D NJM4565M-D R219 R221 NJM4565M-D 1.5K R309 C303 R301 22/50 220K R216 1.5K...
  • Page 11 NAC-2.3 SCHEMATIC DIAGRAM - 2 -12V +12V R369 AUX IN R339 C357 Q303 R370 47/16 NJM4565M-D Q309 RN1241 FIXED OUT Lch FIXED OUT Q310 RN1241 C390 C358 R340 VARIABLE OUT Q303 47/16 Q501 LM4765 NJM4565M-D FIXED OUT Rch L501 R523...
  • Page 12 NAC-2.3 SCHEMATIC DIAGRAM - 3 ONSCREEN SCLK R7279 FLWR ONSCREEN SIN FLSEL ONSCRENN CS R7280 +5V GND PWR(SP RELAY) AMUTE R7281 TC9413 STB FLDA7 P07/ R7282 TC9413 DATA FLDA6 P06/ R7283 TC9413 CLK FLDA5 R7494 R7289 000J P05/ R7284 TC4052 A...
  • Page 13 NAC-2.3 SCHEMATIC DIAGRAM - 4 78M56 TO ETHER PWB NAAF-7652 Q913 TO ETHER PWB C923 C922 P610A P606A P702 P913B +5.6V Q908 IRLML6401 P913A R923 12 (1W) (1/2W) 0.47 R922 C910 R924 12 (1W) R707 10K R706 3.3K R705 3.3K...

  • Page 14: Printed Circuit Board View

    NAC-2.3 PRINTED CIRCUIT BOARD VIEW - 1 U000:AF-7660 Component side C905 C502 Q501 L502 C501 C508 J503B C506 L502 R355 R913 C915 P510 J503A P502B R914 P504A P507B C916 P505A Q902 25137660 Q901 R523 NCAF-7660 Soldering side C513 C917 R513...
  • Page 15 NAC-2.3 PRINTED CIRCUIT BOARD VIEW - 2-1 U001:DG7651 Component side P7001A R704 P7004B R7395 C952 C7295 R7291 C7206 R7294 X703 R7277 R7279 R7278 R7201 R7272 R7269 R7202 R7268 R7203 C706 R7266 C703 R7267 C702 R7260 R951 R7206 R7263 R7257 R7256...
  • Page 16 NAC-2.3 PRINTED CIRCUIT BOARD VIEW 2 - 2 U001:DG-7651 Soldering side R704 R7395 C7295 R7291 C7206 R7294 R7277 R7279 R7278 R7201 R7272 R7269 R7202 R7268 R7203 C706 C703 R7266 R7267 R7260 R7206 R7263 R7257 R7256 R7212 R7255 R7249 R7248 R7247...
  • Page 17 NAC-2.3 PRINTED CIRCUIT BOARD VIEW - 3 U002:AF-7653 Component side P907 P501 E501 P506 P907 P501 P506 Q910 P502A R918 Q309 C909 C357 Q310 C904 25137653 NCAF-7653 R226 C212 P505B C521 C371 Q502 C211 R366 R225 C384 C205 C203 C209...
  • Page 18 NAC-2.3 PRINTED CIRCUIT BOARD VIEW - 4 U004:PS-7655 Soldering side Component side P927 E901 C901 L901 P922A L901 P924 C902 D911 R908 R907 R910 C921 D912 R909 C920 D913 P503A P7003A C903 RL901 RL901 U005:DIS-7656 Component side Soldering side P554...
  • Page 19 NAC-2.3 PRINTED CIRCUIT BOARD VIEW - 5 U006:ETC-7657 Component side Soldering side R7007 S7016 S7007 S7017 25137657 NCETC-7657 R7017 S7018 S7005 R7016 R7015 R7009 S7004 R7010 R7005 R7014 S7006 R7004 S7014 S7013 S7003 U007:PS-7658 Component side Soldering side 25137658 NCPS-7658...
  • Page 20 NAC-2.3 PRINTED CIRCUIT BOARD VIEW - 6 U009:DG-7662, Network Circuit...
  • Page 21 NAC-2.3 BLOCK DIAGRAM AND DESCRIPTION OF IC - 1 Q305:TC4052B ANALOG SWITCH ~SELB ~SELA INPUT NO USE NETWORK TUNER...
  • Page 22 NAC-2.3 BLOCK DIAGRAM AND DESCRIPTION OF IC - 4 Q605:WM8716...
  • Page 23 NAC-2.3 BLOCK DIAGRAM AND DESCRIPTION OF IC - 2 Q301:TC9413AP ELECTRONIC VOLUME CONTROL...

  • Page 24: Block Diagram And Description

    NAC-2.3 BLOCK DIAGRAM AND DESCRIPTION - 3 Q271:LC74761M-9845 ON-SCREEN DISPLAY LSI Pin Assignment Top view...

  • Page 25: Pin Functions

    NAC-2.3 BLOCK DIAGRAM AND DESCRIPTION OF IC - 3 Q271:LC74761M-9845 ON-SCREEN DISPLAY LSI Pin Functions Pin No. Symbol Function Description Ground Ground connection Xtal Connection for the crystal and capacitor used to form the crystal oscillator that generates Crystal oscillator connection the internal synchronization signal.
  • Page 26 NAC-2.3 BLOCK DIAGRAM AND DESCRIPTION OF IC - 4 Q605:WM8716...
  • Page 27 NAC-2.3 BLOCK DIAGRAM AND DESCRIPTION OF IC - 5 Q714:S-3531A REAL-TIME CLOCK...
  • Page 28 NAC-2.3 BLOCK DIAGRAM AND DESCRIPTION OF IC - 5 Q714:S-3531A REAL-TIME CLOCK...
  • Page 29 NAC-2.3 BLOCK DIAGRAM AND PIN DESCRIPTION OF IC - 6 Q611:AK4353 DAC WITH DIT B loc k Diagram MCK I MCK O CAD1 CAD0 CS N CCLK CDTI AVDD LR CK AVS S S erial Input C lock Generator B ICK...

  • Page 30: Pin Layout

    NAC-2.3 BLOCK DIAGRAM AND PIN DESCRIPTION OF IC - 6 Q611:AK4353 DAC WITH DIT Pin Layout MCKO DVDD AVDD DVSS AVSS MCKI VCOM BICK AOUTL View SDTI AOUTR LRCK CAD1 CAD0 SCL/CCLK SDA/CDTI...
  • Page 31 NAC-2.3 BLOCK DIAGRAM AND PIN DESCRIPTION OF IC - 6 Q611:AK4353 DAC WITH DIT PIN/FUNCTION Pin Name Description MCKO Master Clock Output Pin Same frequency as MCKI is output Transmit Channel Output Pin DVDD Digital Power Supply Pin, +2.7∼+5.5V DVSS...
  • Page 32 NAC-2.3 DESCRIPTION OF MAIN MICROPROCESSOR - 1 Q7001, M30624FGAFP Symbol Act. Description (Function) OSDDA Data of OSD communication OSDCL Clock of OSD communication ~OSDCS To select OSD communication ~IRIN Inflared signal from rear panel (IR IN) ~IRMAIN Inflared signal from front panel...
  • Page 33 NAC-2.3 DESCRIPTION OF MAIN MICROPROCESSOR - 2 Q7001, M30624FGAFP Symbol Act. Description (Function) VOLSTB Strobe ofTC9412 volume IC AMUT Analog muting TUMUT Tuner muting Power supply, 5V SPRLY Speaker relay ~STEREO Detect STEREO of tuner Detect SD of tuner PLLCL...
  • Page 34 NAC-2.3 ADJUSTMENT & CONFIRMATIONS OF OPERATIONS ADJUSTMENT OF FREQUENCY a) Turn C702 CCW to set minimum position before POWER ON. b) Set the frequency at P702 to 32768Hz by adjusting C702 under the condition of no input and no load, immediately after POWER ON.

  • Page 35: Firmware Update

    NAC-2.3 FIRMWARE UPDATE - 1 Arrangements for PC Make the firmware folder under the Net-Tune Central folder. Make the folder of a suitable name (ex.:FW_NAC23) in that. Putting the following 4 files in that. Fdist.fdf - File Distribution File FW_0_1_0.dcf - Device Construciton File LanY08na.mot - The program of Network microprocessor (The file name changes by the version).
  • Page 36 NAC-2.3 FIRMWARE UPDATE - 2 Update Utility : ON Display Display SELECT Update Utility Update Utility 2.F/W Version 1.F/W Update Display Update Utility SELECT SELECT 1.F/W Update Update OK? > Display Display Update Utility Update Utility 1.F/W Update 2.F/W Version mSVR:onkyo :01.00.01...
  • Page 37 NAC-2.3 FIRMWARE UPDATE - 3 Menu of Update Utility Display Display Update Utility Update Utility 1.F/W Update 1.F/W Update mSVR:--------- SELECT Display Display Update Utility Update Utility 2.F/W Version 2.F/W Version :00.01.00 SELECT Display Update Utility 3.Port Port :60096 SELECT...

  • Page 38: Packing View

    D, FM ANT AS W48 OPP TAPE, PP TAPE NAC-2.3(B)UDD, CARTON NMA-3027, ANT COIL R6/AA(UM-3), BATTERY x 2 A-905X, PAD-B A-905X, PAD-A E(NAC-2.3), INS MANUAL Bottom side (INTEGRA), WRNTY CARD 0.515*650*550, SHEET 350*250, POLY BAG ACC., SHEET Part Number Description...
  • Page 39 REF.NO. PARTS NUMBER DESCRIPTION CIRCUIT NO. [NAC-2.3(B)UDD,ADAPTER] U000 1W240560-1A NAAF-7660-1A, PCB AS U001 1W240551-1A NADG-7651-1A, PCB AS U002 1W240552-1A NAAF-7652-1A, PCB AS U003 1W240553-1A NAAF-7653-1A, PCB AS U004 1W240554-1A NAVD-7654-1A, PCB AS U005 1W240555-1A NAPS-7655-1A, PCB AS U006 1W240556-1A NADIS-7656-1A, PCB AS...
  • Page 40 A610 29110148 W48 OPP TAPE, PP TAPE A622 29091887 A-905X, PAD-B A623 29095932 ACC., SHEET [12:Accessary] A801 29343425 E(NAC-2.3), INS MANUAL A805 29365089 (INTEGRA), WRNTY CARD A806 292142 D, FM ANT AS A807 29362900 (RISK), LABEL A851 29100097-1A 350*250, POLY BAG...
  • Page 41 4052BF(TC4052BF), IC or 222840521R9TO 4052BF(TC4052BF, IC Q311,Q312 2213640 DTC123JS, TR Q502 2211256 2SC1815-BL, TR Q503,Q504,Q908,Q909 2216761R2 IRLML6401, TR Q7001 22241857 M30624FGAFP(NAC-2.3), IC Q7002 2214490R2 RN1404, TR Q714 22241856R2 S-3531AEFS, IC Q901 222780125JRC 78M12HF(NJM78M12FA), IC(REGULATOR) Q902 222790125JRC 79M12HF(NJM79M12FA), IC(REGULATOR) Q904 2216260R2 or...
  • Page 42 [04:Capacitor] C101,C920 354784799 CE04W50V-0.47M, ELECT C C102 354780339 CE04W50V-3.3M, ELECT C C104 353780109 CE04W50V-1M(S), ELECT C C201,C202 374721024 ECQ-B50V-102J, TF C C203,C204 374722724 ECQ-B50V-272J, TF C C205,C206 374721824 ECQ-B50V-182J, TF C C209,C210,C357,C358 354744709 CE04W16V-47M, ELECT C C211,C212,C934 354742219 CE04W16V-220M, ELECT C C256 354724719 CE04W6.3V-470M, ELECT C...
  • Page 43 S7003,S7004,S7005,S7006, 25035699 NPS-111-S662, PUSH SW S7007,S7011,S7012,S7013, S7014,S7015,S7016,S7017, [08:Mecha Parts] E501,E7001,E7002 25065425 NEGITANSI M3, TRM(SCREW) Q907A 27160220 HEAT-SINK(RAD-51(B)), RADIATOR Q907B 82143010 3P+10FN(BC), SCREW [99:Other] F901A,F901B 25052133 NSCT-1P2031, FUSE HOL 25055704 NPLG-8P660, PLUG P101B 25051822 NSCT-15P1609, SOCKET P102A 25051530 NSCT-19P1317, SOCKET P102B 25055808 NPLG-19P764, PLUG P251...
  • Page 44 ONKYO CORPORATION Sales & Product Planning Div. : 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN 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...

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