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Onkyo PR-155X Service Manual
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Onkyo PR-155X Service Manual

Onkyo PR-155X Service Manual

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SERVICE MANUAL
SERVICE MANUAL
AV CONTROLLER
PR-155X
MODEL
AV CONTROLLER
PCM
DIGITAL
DTS
PL
DSP
STEREO
MULTI IN
STANDBY
STANDBY / ON
SW LV L CTRL
MEMORY
TIMER
INPUT
CLEAR
PHONES
Silver models
UPP
230-240V AC, 50Hz
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.
(
GRN
)
MASTER VOLUME
(
RED
)
MULTI JOG
SURROUND
PUSH TO ENTER
-
PR
15 5
X
ON THE
PR-155X
Ref. No. 3821
092004
MEMORY
RC-568S
RC-568S

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Summary of Contents for Onkyo PR-155X

  • 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...
  • Page 2 PR-155X SPECIFICATIONS Amplifier section Input Sensitivity and Impedance : 150 mV / 50 k (LINE) Output Level and Impeadance : 1 V / 600 (STEREO ,VOLUME MAX at max.) Frequency Response : 120 Hz - 20 kHz : +1 / -3 dB (FL/FR/C/SL/SR)
  • Page 3 Although no batteries are required, the PR-155X must be plugged into an AC outlet in order to charge the backup system. Once it has been charged, the PR-155X will retain the settings for several weeks, although this depends on the environment and will be shorter in humid climates.
  • Page 4 PR-155X OPERATION CHECK DSP DEBUG MODE Regarding the DSP DEBUG MODE In this test mode, the check with normal communication of a microcomputer and the data of DSP and DIR is possible. This information is a help to find the cause of failure.
  • Page 5 PR-155X EXPLODED VIEW A110 A031 P901 A013 A105 x 10 A005 x 4 A029 A103 A001 P101 F901 A003 A005 T901 A025 A005 A101 A107 A007 A035 A011 A021 A009 Not use A109 A033 A019 A009 A019 Front side...
  • Page 6 PR-155X BLOCK DIAGRAM POWER Q775 Q774 SUPPLY M5M5V108DKV MX27L2000 U701 1M-BIT RAM 2M-BIT EPROM 12.288MHz +2.5V Q791 OSC. BA33C25F +3.3V DIGITAL U702 Q732 MEMORY TC7WU04FU Q731 Q701 (AC-3,DTS,AAC) U703 (DTS)(PLII) LINE AK4586(1/3) CS493292 DAUX Q301 Q701 FM/AM TUNER BD3811K1(1/2) 96/24A/D...
  • Page 7 PR-155X HEAD PHONE AMP. P351 Q321 Q325,326 PHONES Q301 MUTE Q401(1/2) C25FP BD3811K1(2/2) HPIN NJM4565V SELECTOR MASTER VOLUME 50kHzLPF BOOST Q311 MUTE Q401(2/2) NJM4565V PREOUT 50kHzLPF Q312 MUTE FRONT Q402(1/2) NJM4565V MCSL Q313 MUTE 50kHzLPF SURR Q402(2/2) NJM4565V MCSR Q314...
  • Page 8 PR-155X BLOCK DIAGRAM HEAD PHONE AMP. POWER Q775 Q774 P351 Q321 SUPPLY M5M5V108DKV MX27L2000 U701 1M-BIT RAM 12.288MHz 2M-BIT EPROM Q325,326 +2.5V PHONES Q301 MUTE Q791 OSC. BA33C25FP Q401(1/2) BD3811K1(2/2) +3.3V HPIN DIGITAL NJM4565V Q732 U702 SELECTOR MEMORY MASTER VOLUME...
  • Page 9 PR-155X SCHEMATIC DIAGRAMS-1 CDR/TAPE/TV/VIDEO CDR TERMINAL PC BOARD AUDIO & MICROPROCESSOR SECTION R307 CDOL MDOUT_L P304 R315 2.2K 470K R316 L_OUT R308 CDOR 470K MDOUT_R R_OUT R317 R318 2.2K 470K 470K R309 CDIL MDIN_L JL302A -7.0 C320 C307 10/16 101J...
  • Page 10 PR-155X NAAR-7917 MAIN PC BOARD R337 R339 RN1441 220K LOUT Q311 R325 C339 22/16 FRONT R326 C340 22/16 C352 47/16 R340 Q312 NJM4565V ROUT RN1441 SW_POUT Q302 C341 22/16 Q322 R341 Q303 RN1441 LSOUT RN2402 RN2402 A MUT HPMUT Q313...
  • Page 11 PR-155X SCHEMATIC DIAGRAMS-2 DSP SECTION ADRT BA33C25FP C421 152J C401 ADLT R421 R411 Q791 10/16 2.2K 2.2K DAC_R 2.5V +2.5VDSP DAC_L +3.3VDSP Q401 DAC_RS 3.3V NAETC-7923 C793 DAC_LS C792 NJM4565V 47/6.3 (P703A) 47/6.3 DAC_SW DAC_C NJM4565V AGND Q401 2.2K 2.2K...
  • Page 12 PR-155X NAETC-7923 (P703A) NOTE THE COMPONENTS IDENTIFIED BY 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. +5VDSP P704B ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
  • Page 13 PR-155X SCHEMATIC DIAGRAMS-3 DISPLAY & POWER SUPPLY SECTION R8031 R8029 R8022 R8021 R8020 Q8002 Q8004 Q8005 Q8006 Q8007 Q8008 R8032 JOGA JOGB R8033 MULTI JOG DISPLAY PC BOARD NADIS-7919 REMOTE SENSOR SPS-444-1-VP U8001 NASW-7921 C8005 ANI2 104Z VOLUME ANI3 AVSS...
  • Page 14 PR-155X NAETC-7923 TERMINAL Q8009 Q8010 2SC2712 2SC2712 PC BOARD NAETC-7924 ADRT ADRT ADLT ADLT TERMINAL DAC_R DAC_R DAC_L DAC_L PC BOARD DAC_RS DAC_RS MULTI STEREO NAAR-7917 DAC_LS DAC_LS (RED) (GREEN) DAC_SW DAC_SW (P701A) DAC_C DAC_C D8010 NADG-7918 AGND AGND (P703B)
  • Page 15 PR-155X SCHEMATIC DIAGRAMS-1 CDR/TAPE/TV/VIDEO CDR TERMINAL PC BOARD AUDIO & MICROPROCESSOR SECTION NAAR-7917 R307 MAIN PC BOARD CDOL MDOUT_L P304 2.2K R315 470K R337 R316 220K RN1441 R339 L_OUT LOUT R308 CDOR 470K MDOUT_R Q311 R_OUT R317 R318 C339 22/16 R325 2.2K...
  • Page 16 PR-155X SCHEMATIC DIAGRAMS-2 NAETC-7923 (P703A) NOTE DSP SECTION THE COMPONENTS IDENTIFIED BY 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.
  • Page 17 PR-155X SCHEMATIC DIAGRAMS-3 DISPLAY & POWER SUPPLY SECTION NAETC-7923 TERMINAL Q8009 Q8010 2SC2712 2SC2712 PC BOARD NAETC-7924 ADRT ADRT R8031 R8029 R8022 R8021 R8020 ADLT ADLT TERMINAL DAC_R DAC_R DAC_L DAC_L PC BOARD DAC_RS DAC_RS MULTI STEREO NAAR-7917 DAC_LS DAC_LS...
  • Page 18 PR-155X PC BOARD CONNECTION DIAGRAM SUBWOOFER CDR/TAPE/TV/VIDEO DVD/CD PREOUT CONTROL DIGITAL INPUT P304 P7091 P301 P302 P303 P791 P792 JL302A JL302B NAETC-7925 CDR TERMINAL Q701 PC BOARD NAAR-7917 MAIN PC BOARD NADG-7918 DSP PC BOARD Q7001 Q774 TUNER UNIT P7002 Q775 FREQ.MEASURE...
  • Page 19 PR-155X PRINTED CIRCUIT BOARD VIEWS-1 MAIN PC BOARD (NAAR-7917) Component side...
  • Page 20 PR-155X PRINTED CIRCUIT BOARD VIEWS-2 MAIN PC BOARD (NAAR-7917) Soldering side...
  • Page 21 PR-155X PRINTED CIRCUIT BOARD VIEWS-3 DSP PC BOARD (NADG-7918) Component side R783 R783 R783 R783 C778 C778 C778 R782 R7 7 8 R782 R7 7 8 R781 R 81 R781 R781 C 77 C777 C C 7 C 77 C776...
  • Page 22 PR-155X PRINTED CIRCUIT BOARD VIEWS-4 DSP PC BOARD (NADG-7918) Soldering side C7 7 97 C726 R725 R721 R721 C724 C724 C723 C723 3 C722 R7 7 23 C796 C725 C725 R724 R724 R724 R 726 R726 R726 C727 C727 R729...
  • Page 23 PR-155X PRINTED CIRCUIT BOARD VIEWS-5 DISPLAY PC BOARD (NADIS-7919) Component side SURROUND RROUND S8007 S8007 S8007 S8007 2 2 2 25137919 NC C DIS-7919 S8008 S8008 S8008 S8008 S8008 S8008 2 2 2 2 P8002A P8002A A P8002A P8002A P8002A...
  • Page 24 PR-155X PRINTED CIRCUIT BOARD VIEWS-6 POWER SUPPLY PC BOARD (NAPS-7920) Component side F901 1A/125V T902 R906 AC-G AC-H T902 P916C C901 R9 9 03 C901 Soldering side D902 POWRL POWRL +13V +13V SEC3A SEC3A SEC3B SEC2A S S EC2A S S EC2B...
  • Page 25 PR-155X PRINTED CIRCUIT BOARD VIEWS-7 VOLUME PC BOARD HEADPHONE PC BOARD (NASW-7921) (NAETC-7922) Soldering side Component side Soldering side TERMINAL PC BOARD (NAETC-7923) Soldering side CDR TERMINAL PC BOARD TERMINAL PC BOARD (NAETC-7925) (NAETC-7924) Compon Soldering side P304 P304 P304...
  • Page 26 PR-155X IC BLOCK DIAGRAM AND TERMINAL DESCRIPTIONS-1 Q301:BD3811K1 (6CH Volume with 8ch input selector)-1 BLOCK DIAGRAM IN31 TNF2 IN32 TNF1 TREBLE BNF11 IN41 INSW IN42 BNF21 BNF12 IN51 BNF22 IN52 BASS IN61 BBNF2 OUT2 IN62 IN71 BBNF1 Input mute SW...
  • Page 27 PR-155X IC BLOCK DIAGRAM AND TERMINAL DESCRIPTIONS-2 Q301:BD3811K1 (6CH Volume with 8ch input selector)-2 TERMINAL DESCRIPTION Terminal Description Terminal Description IN31 1ch input terminal 3 AGND3 Analog ground terminal IN32 2ch input terminal 3 VINSR Surround Rch volume input terminal...
  • Page 28 PR-155X IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS-3 Q111: BU1923(RDS Decoder) BLOCK DIAGRAM VSS3 8ch Switched capacitor filter Comparator anti-aliasing VREF filter (16) Analog RCLK Power supply VDD1 QUAL VSS1 RDATA Digital Differential Bi-phase (12) 57kHz 1187.5Hz power supply decoder decoder...
  • Page 29 PR-155X IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS-4 Q701: AK4586 (24-Bit 96kHz 6-channel CODEC with DIR)-1 BLOCK DIAGRAM X'tal Oscillator uP I/F Audio Clock MCKO Generator Clock MCLK Recovery DAIF LOUT1 DATT Decoder Input Selector DATT ROUT1 SDOUT LOUT2 DATT DATT...
  • Page 30 PR-155X IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS-5 Q701: AK4586 (24-Bit 96kHz 6-channel CODEC with DIR)-2 TERMINAL DESCRIPTION Pin Name Function Pin Name Function ROUT1 DAC1 Rch Analog Output Pin X'tal Output Pin X'tal Input Pin Lch Analog Input Pin EXTCLK...
  • Page 31 PR-155X IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS-6 Q731:CS493264(DSP IC)-1 BLOCK DIAGRAM SCDIO, DATA7:0, R/W, SCDOUT, ABOOT, EXTMEM, EMAD7:0, EMOE, EMWR, PSEL, RESET SCCLK SCDIN INTREQ GPIO8 GPIO7:0 GPIO11 GPIO10 GPIO9 CMPDAT, SDATAN2 PARALLEL or SERIAL HOST INTERFACE COMPRESSED CMPCLK, DATA INPUT...
  • Page 32 PR-155X IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS-7 Q731:CS493264(DSP IC)-2 TERMINAL DESCRIPTION Symbol Description No. Symbol Description Digital positive suppy Reserved. DGMD1 Digital suppy ground AUDATA3,XMT958 SPDIF transmitter output. Digital audio output. AUDATA2 Digital audio output 2. Host write strobe or host data strobe or AUDATA1 Digital audio output 1.
  • Page 33 PR-155X FL TUBE VIEW Q8101: HNA-09SS27T (2G - 9G) AUTO SLEEP TIMER...
  • Page 34 PR-155X MICROPROCESSOR TERMINAL DESCRIPTIONS Q7001:MPD784225GC-261-8BT (MAIN MICROPROCESSOR) No. Pin name Description Pin name Description SWFUCTION Input terminal for subwoofer function setup. SELMUT Output terminal for muting control MODEL Input terminal for model setup. of selector, volume and tone IC (BD3811).
  • Page 35 PR-155X ADJUSTMENT PROCEDURES CLOCK FREQUENCY ADJUSTMENT 1. Remove the top cover. 2. Connect the frequency counter to the Test point P7002 on Main PC board NADG-7917. 3. Press and hold down the SURROUND button and then press the STANDBY/ON button when the unit is on.
  • Page 36 1/15 PAGE PR-155X EXPLODED VIEW PARTS LIST NOTE : THE COMPONENTS IDENTIFIED BY THE MARK ! ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE ONLY WITH PART NUMBER SPECIFIED. REF. NO. NAME DESCRIPTION Q'TY PART NO REMARKS A001...
  • Page 37 2/15 PAGE ELECTRIC SHOCK. REPLACE ONLY WITH PART NUMBER SPECIFIED. MAIN PC BOARD(NAAR-7917-2C) DSP PC BOARD(NADG-7918-2C) DISPLAY PC BOARD(NADIS-7919-2C) POWER SUPPLY PC BOARD(NAPS-7920-2C) VOLUME PC BOARD(NASW-7921-2C) HEADPHONE PC BOARD(NAETC-7922-2C) TERMINAL PC BOARD(NAETC-7923-2C) TERMINAL PC BOARD(NAETC-7924-2C) CDR TERMINAL PC BOARD(NAETC-7925-2C) <Notes> Parts are indicated collectively, without dividing for above mentioned each unit. REF.
  • Page 38 3/15 PAGE Q775 or BS62LV1023STC-70 ( 1) 22241792R3 Q791 BA33C25FP 22241778R2 Q901 KRC105M 2215830 Q901 or DTC123JS ( 1) 2213640 Q911 IC(REGULATOR) 78M12HF 222780125 Q914 IC(REGULATOR) 78L07(SMT) 222780073R2 Q915 IC(REGULATOR) 79L07(SMT) 222790073R2 Q921 IC(REGULATOR) 7805HF 222780054 Q921A HEAT SINK RAD-083 27160271 Q921B SCREW...
  • Page 39 4/15 PAGE D931 DIODE RL1N4003 22380260 D931 or DIODE GP104003E ( 1) 22380035 D932 DIODE RL1N4003 22380260 D932 or DIODE GP104003E ( 1) 22380035 D933 ZENER D UDZS27B 224552700R2 D933 or ZENER D RD27SB ( 1) 224372700R2 D7001 C-DIODE 1SS355 223269R2 D7001 or C-DIODE...
  • Page 40 5/15 PAGE C114 C-CERA C CK725F1E-104Z1 332161040R1 C115 C-CERA C CC725CH1H-330J1 342103304R1 C116 C-CERA C CC725CH1H-330J1 342103304R1 C301 C-CERA C CC725CH1H-101J1 342101014R1 C302 C-CERA C CC725CH1H-101J1 342101014R1 C303 C-CERA C CC725CH1H-101J1 342101014R1 C304 C-CERA C CC725CH1H-101J1 342101014R1 C305 C-CERA C CC725CH1H-101J1 342101014R1 C306...
  • Page 41 6/15 PAGE C359 C-CERA C CC725CH1H-101J1 342101014R1 C360 C-CERA C CC725CH1H-101J1 342101014R1 C361 VX C CE04W6.3V-100M(VX) 393321017 C362 VX C CE04W6.3V-100M(VX) 393321017 C363 C-CERA C CC732CH1H-222J 347342224R2 C364 C-CERA C CC732CH1H-222J 347342224R2 C365 C-CERA C CK725F1E-104Z1 332161040R1 C366 C-CERA C CK725F1E-104Z1 332161040R1 C371...
  • Page 42 7/15 PAGE C721 or VR C CE04W6.3V-47M(VR) ( 1) 394624707 C722 C-CERA C CK725F1E-104Z1 332161040R1 C723 C-CERA C CK725F1E-104Z1 332161040R1 C724 C-CERA C CK725F1E-104Z1 332161040R1 C725 C-CERA C CK725B1H-103K1 332101035R1 C726 C-CERA C CK725B1H-103K1 332101035R1 C727 C-CERA C CK725B1H-103K1 332101035R1 C728 C-CERA C CK725F1E-104Z1...
  • Page 43 8/15 PAGE C918 ELECT C CE04W16V100M(SC) 394741017 C918 or VR C CE04W16V-100M(VR) ( 1) 394641017 C919 ELECT C CE04W50V2.2M(SC) 394780227 C919 or VR C CE04W50V-2.2M(VR) ( 1) 394680227 C920 ELECT C CE04W16V100M(SC) 394741017 C920 or VR C CE04W16V-100M(VR) ( 1) 394641017 C921 TF C ECQ-V50V-334J...
  • Page 44 9/15 PAGE C8010 C-CERA C CC725CH1E-102J1 342111024R1 C8010 or C-CERA C CC725CH1H-102J1 ( 1) 342101024R1 C8010 or C CERA-C CC725CH1E-102K1 ( 1) 342111025R1 C8011 C-CERA C CC725CH1E-102J1 342111024R1 C8011 or C-CERA C CC725CH1H-102J1 ( 1) 342101024R1 C8011 or C CERA-C CC725CH1E-102K1 ( 1) 342111025R1 C8012...
  • Page 45 10/15 PAGE R342 C-CARBON R RN72K1J-101JE 435031014R1 R343 C-CARBON R RN72K1J-101JE 435031014R1 R344 C-CARBON R RN72K1J-101JE 435031014R1 R351 C-CARBON R RN72K1J-104JE 435031044R1 R352 C-CARBON R RN72K1J-682JE 435036824R1 R353 C-CARBON R RN72K1J-183JE 435031834R1 R354 C-CARBON R RN72K1J-223JE 435032234R1 R355 C-CARBON R RN72K1J-332JE 435033324R1 R356...
  • Page 46 11/15 PAGE R707 C-CARBON R RN72K1J-470JE 435034704R1 R708 C-CARBON R RN72K1J-470JE 435034704R1 R709 C-CARBON R RN72K1J-102JE 435031024R1 R710 C-CARBON R RN72K1J-102JE 435031024R1 R711 C-CARBON R RN72K1J-221JE 435032214R1 R712 C-CARBON R RN72K1J-221JE 435032214R1 R713 C-CARBON R RN72K1J-221JE 435032214R1 R714 C-CARBON R RN72K1J-221JE 435032214R1 R715...
  • Page 47 12/15 PAGE R769 C-CARBON R RN72K1J-221JE 435032214R1 R770 C-CARBON R RN72K1J-105JE 435031054R1 R771 C-CARBON R RN72K1J-103JE 435031034R1 R772 C-CARBON R RN72K1J-103JE 435031034R1 R773 C-CARBON R RN72K1J-103JE 435031034R1 R774 C-CARBON R RN72K1J-103JE 435031034R1 R775 C-CARBON R RN72K1J-103JE 435031034R1 R776 C-CARBON R RN72K1J-103JE 435031034R1 R777...
  • Page 48 13/15 PAGE R7038 C-CARBON R RN72K1J-221JE 435032214R1 R7039 C-CARBON R RN72K1J-221JE 435032214R1 R7040 C-CARBON R RN72K1J-103JE 435031034R1 R7041 C-CARBON R RN72K1J-221JE 435032214R1 R7042 C-CARBON R RN72K1J-221JE 435032214R1 R7046 C-CARBON R RN72K1J-221JE 435032214R1 R7047 C-CARBON R RN72K1J-221JE 435032214R1 R7048 C-CARBON R RN72K1J-221JE 435032214R1 R7049...
  • Page 49 14/15 PAGE R8011 C-CARBON R RN72K1J-472JE 435034724R1 R8012 C-CARBON R RN72K1J-472JE 435034724R1 R8013 C-CARBON R RN72K1J-331JE 435033314R1 R8014 C-CARBON R RN72K1J-103JE 435031034R1 R8015 C-CARBON R RN72K1J-103JE 435031034R1 R8016 C-CARBON R RN72K1J-103JE 435031034R1 R8017 C-CARBON R RN72K1J-272JE 435032724R1 R8018 C-CARBON R RN72K1J-272JE 435032724R1 R8020...
  • Page 50 15/15 PAGE P7002 PLUG NPLG-2P29 25055038 P8002A SOCKET AS NSAS-24P1151 2002A392410 P8002B PLUG NPLG-12P140 25055156 S8001 R ENCODE EC16B2425 25065656 S8002 PUSH SW NPS-111-S681 25035718 S8003 PUSH SW NPS-111-S681 25035718 S8004 PUSH SW NPS-111-S681 25035718 S8005 PUSH SW NPS-111-S681 25035718 S8006 PUSH SW NPS-111-S681...
  • Page 51 Tel: 201-785-2600 Fax: 201-785-2650 http://www.onkyousa.com ONKYO EUROPE ELECTRONICS GmbH Liegnitzerstrasse 6, 82194 Groebenzell, GERMANY Tel: +49-8142-4401-0 Fax: +49-8142-4401-555 http://www.onkyo.net ONKYO CHINA LIMITED Units 2102-2107, Metroplaza Tower I, 223 Hing Fong Road, Kwai Chung, N.T., HONG KONG Tel: 852-2429-3118 Fax: 852-2428-9039 HOMEPAGE http://www.onkyo.com/...