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...
TX-SR402/8240/HT-R420 3 7 63 1515 0 SPECIFICATIONS-1 TX-SR402/TX-SR8240 Amplifier Section General Power Supply: AC 220-230 V, 50/60 Hz Power Output: Power Consumption: 300W All channels: 100 W (6 , 1kHz, JEITA) Dimensions: 435 W x 150 H x 374 D mm...
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TX-SR402/8240/HT-R420 3 7 63 1515 0 SPECIFICATIONS-2 HT-R420 Amplifier Section General Power Supply: American model: AC 120 V, 60 Hz Power Output: Australian model: AC 230 V, 50 Hz All channels: 100 W (8 , 20Hz~20kHz, FTC) Others model: AC 120-220/230 V, 50/60 Hz...
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TX-SR402/8240/HT-R420 3 7 63 1515 0 SERVICE PROCEDURES-1 1. Replacing the fuses 4. How to check version of microprocessor? Main microprocessor Q7008. This symbol located near the fuse indicates that the 1. Press and the hold down the DISPLAY button , then press the fuse used is show operating type, For continued protection against STANDBY/ON button when the unit is Power ON.
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TX-SR402/8240/HT-R420 3 7 63 1515 0 SERVICE PROCEDURES-2 7. Changing the AM band step 1. Worldwide model (MWT). You can select AM band step 9kHz or 10kHz by the following operation. How to select? Press and hold down the TUNER , then press the MEMORY.
Press these buttons to select a listening mode for the current source. When STANDBY/ON button is pressed to ON, the display will Press the DSP button to recall the Onkyo-original DSP modes in light to show the current volume setting for about 5 seconds then sequence.
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TX-SR402/8240/HT-R420 3 7 63 1515 0 PANEL VIEWS-2 DISPLAY (SPEAKERS) A/B indicators Shows the current speaker system in use. MUTING indicator Flashes when the mute function is active. Source/Listening mode indicators One of these indicators lights to show the format of the current source as "PCM", "...
WOOFER REMOTE CONTROL VIDEO 1 IN/OUT, VIDEO 2 IN, VIDEO 3 IN Connect the Onkyo components that have connectors such as a Connect the output terminals (PLAY) of the video cassette recorder CD player, and cassette tape deck using the...
TX-SR402/8240/HT-R420 3 7 63 1515 0 REMOTE CONTROLLER RC-518M/RC-479M RC-518M (HT-R420 American model) SLEEP button For setting the sleep time. This button is provided only on the remote controller. STANDBY/ON button Turns on the unit or put it in standby.
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TX-SR402/8240/HT-R420 3 7 6 3 1 5 1 5 0 A051 EXPLODED VIEWS-1 P901 P101 A404 A024 x 27 (MWT x 28) A035 A401 A028 A020 A402 Refer to <Fig-1> in TXSR402/8240 EXPLODED A425 MGR Only VIEWS-2 HT-R420 MDD, MDC Only...
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TX-SR402/8240/HT-R420 3 7 6 3 1 5 1 5 0 EXPLODED VIEWS-2 <Fig-1> <Fig-3> TX-SR402/8240 HT-R420 MDD, MDC HT-R420 MPA, MPT,MWT FRONT PANEL INSIDE VIEW A418 A415 (L=215mm) (L=135mm) BLACK MODELS ONLY BLACK MODELS ONLY [HT-R420(B)MDC, (B)MDD, [HT-R420(B)MDC, (B)MDD,...
TX-SR402/8240/HT-R420 3 7 63 1515 0 BLOCK DIAGRAM MAIN MICROPROCESSOR TUNER UNIT INPUT GAIN Q301 BD3811K 0/6dB INPUT GAIN TAPE OUT 0/6dB INPUT GAIN TAPE IN 0/6dB VIDEO3 INPUT GAIN 0/6dB VIDEO-2 IN INPUT GAIN 0/6dB VIDEO-1 OUT INPUT GAIN...
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TX-SR402/8240/HT-R420 3 7 63 1515 0 POWER MASTER VOLUME 0,,-103dB AMPLIFIER PHONES OUTPUT GAIN BASS/TREBLE BASSBOOST MUTING +27dB 0-18dB Q307 RL6600 OUTPUT GAIN BASS/TREBLE FRONT SPEAKERS-A MUTING +27dB 0-18dB Q308 CENTER SPEAKER OUTPUT GAIN RL6604 +27dB 0-18dB SURROUND SPEAKERS...
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IS DC VOLTAGE, AT NO INPUT SIGNAL. <Notes> NC=No mount of parts. ] Values are for HT-R420 Refer to the following table about the parts displayed by mark" " TX-SR402/ TX-SR8240 HT-R420 Q5000-04,5010-14 KTC3200-BL OR 2SC1775A-E,F OR 2SC1845-E KTC3200-BL OR 2SC1775A-E,F OR 2SC1845-E...
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Q6703 KTA1268-GR,BL OR 2SA992-E,F KTA1268-GR,BL OR 2SA992-E,F Q6303 KTA1267-GR OR 2SA933S-R,S KTA1267-GR OR 2SA933S-R,S C6901, 6902 D6903,6904: RBV602 TX-SR402/ 8240 ----- 8200/56 D5SBA20 NOTE RS603M HT-R420 --------------- 10000/69 . THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY REPLACE ONLY WITH PART NUMBER SPECIFIED.
TX-SR402/8240/HT-R420 3 7 63 1515 0 SCHEMATIC DIAGRAM-5 SPEAKER TERMINAL & POWER SUPPLY SECTION TX-SR402 ONLY NAETC-7870 C6850 102K C6600 103J C6840 102J L6800 S1.3C R6800 D6600 C6841 102J R6810 C6851 P6800 HT-R420 ONLY 102K RL6600 FRONT SPEAKERS-B TX-SR402 ONLY...
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DIQUE LA QU LE PRESENT SYMBOL EST APPOSE. +13VS ET CALIBRATION COMME INDIQUE. otes> =No mount of parts. er to the following table about the parts displayed by mark" " TX-SR402/8240 HT-R420 L 13942296513 P6931A D, DC NPT-1491D A, PT...
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RL6600 RL6603 NAETC-8256 THERMAL SENSOR JL6804B JL6805B JL6803B PC BOARD P211A NAVD-7867 P210B TX-SR8240 MGR HT-R420 MPA,MWT VIDEO&OPT TX-SR402 MGR ONLY TERMINAL PC BOARD P202 P201 P281 JL6402C P210A NAAF-7875 NAETC-7880 THERMAL SENSOR POWER AMPLIFIER PC BOARD PC BOARD P206B...
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TX-SR402/8240/HT-R420 3 7 63 1515 0 PRINTED CIRCUIT BOARD VIEWS-5 DRIVER AMPLIFIER PC BOARD (NAAF-7866) SWITCH PC BOARD Component side view from (NASW-7404) soldering side Component side view from soldering side C5004 R5194 JL7501B R5004 C5014 Q5034 R5184 C5114...
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TX-SR402/8240/HT-R420 3 7 63 1515 0 PRINTED CIRCUIT BOARD VIEWS-6 REGULATOR PC BOARD (NAETC-7868) VIDEO & OPT TERMINAL PC BOARD (NAVD-7867) Component side view from soldering side Component side view from soldering side RLGND +13VS POWER P206B J212 R223...
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TX-SR402/8240/HT-R420 3 7 63 1515 0 PRINTED CIRCUIT BOARD VIEWS-8 P6931 POWER AMPLIFIER PC BOARD (NAAF-7875) J6167 R6513 D6004 Component side view from soldering side R6174 R6523 R6164 Q6074 R6850 R6184 R6154 C6054 J6158 Q6044 Q6034 R6074 R6024 C6044...
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OPT1 COAX OPTOUT THERMAL SENSOR PC BOARD THERMAL SENSOR PC BOARD (NAETC-8256) (NAETC-7880) HT-R420 MDD, MDC ONLY TX-SR402 MGR, TX-SR8240 MGR HT-R420 MPA, MWT, MPT ONLY Component side view Component side view from soldering side from soldering side u163 R6380A...
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TX-SR402/8240/HT-R420 3 7 63 1515 0 IC BLOCK DIAGRAM AND TERMINAL DESCRIPTIONS-1 Q213:LA7956(Video switch) BLOCK DIAGRAM 6 d B a m p v i d e o s w i t c h d r i v e r...
TX-SR402/8240/HT-R420 3 7 63 1515 0 IC BLOCK DIAGRAM AND TERMINAL DESCRIPTIONS-7 Q801: AK4586 (24-Bit 96kHz 6-channel CODEC with DIR)-2 TERMINAL DESCRIPTION Pin Name Function Pin Name Function X'tal Output Pin ROUT1 DAC1 Rch Analog Output Pin X'tal Input Pin...
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TX-SR402/8240/HT-R420 3 7 63 1515 0 MICROPROCESSOR TERMINAL DESCRIPTIONS-1 Q7008:MPD784225GC-XXX-8BT(MAIN MICROPROCESSOR) Pin name Description Pin name Description Broadcast detection input terminal more Current detection and DC voltage detection PROTECT than a muting level. input terminal. ~STEREO FM stereo broadcast detection input terminal.
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TX-SR402/8240/HT-R420 3 7 63 1515 0 MICROPROCESSOR TERMINAL DESCRIPTIONS-2 Q7502:MPD780232GC-030-8BT(SUB MICROPRCESSOR) Pin name Description Pin name Description Segment output terminal of P22. VDD1 Power supply terminal. Connect to 5V. VSS1 Ground terminal. Segment output terminal of P21. X'tal input terminal.
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TX-SR402/8240/HT-R420 3 7 63 1515 0 ADJUSTMENT PROCEDURES IDLING CURRENT ADJUSTMENT [Note] No load and No signal Refer to Fig-1 about test points and adjustment points. 1. Before Idling adjustment, turn the trimming resistors R6040, R6041, R6042, R6043 and R6044 to counter clockwise.
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TX-SR402/8240/HT-R420 3 7 63 1515 0 OPERATION CHECK-1 DC VOLTAGE DETECTION PROTECTORS [NOTE1] Limit time to apply voltage is 0.5 - 1.0 seconds each channel. When protection operation does not occur at once, try several times. [NOTE2] Don't connect speakers or any load. Don't short speaker terminals.
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TX-SR402/8240/HT-R420 3 7 63 1515 0 OPERATION CHECK-2 OUTPUT LEVEL & THERMAL DETECTION Regarding the power supply system of this unit. <Function> 1. High-voltage mode Usually, the power supply supplies high voltage to the power amplifier circuit when the relay(RL6901) is turned on.
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TX-SR402/8240/HT-R420 3 7 63 1515 0 OPERATION CHECK-3 OUTPUT LEVEL & THERMAL DETECTION <Check procedure by test mode> The following is the procedure of checking detection operation of a microprocessor in false, by using test mode. Output level detection 1.
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TX-SR402/8240/HT-R420 3 7 63 1515 0 OPERATION CHECK-4 DSP DEBUG MODE Regarding the DSP debug mode TIn 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.
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TX-SR402/8240/HT-R420 3 7 63 1515 0 PACKING PROCEDURES TX-SR402/TX-SR8240 Only <Note> HT-R420 ---> Refer to service manual of "HT-S670". A801 A635 A610 Speaker Cable Keep LABEL(SP Cable) inside A811 first page of Instruction manual. A821 A820 A812 A625 A613...
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CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. (B) : Black model REPLACE ONLY WITH PART NUMBER SPECIFIED. (G) : Golden model <402> : TX-SR402 (Chinese model) <8240> : TX-SR8240 (Chinese model) <420> : HT-R420 (All destination) <DD> : HT-R420 (American model) <DC>...
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Q6050 - Q6060, Q6051 - Q6061, Q6052 - Q6062, Q6053 - Q6063, Q6054 - Q6064 EXP. TX-SR402/8240/HT-R420 PC BOARD PARTS LIST PREAMPLIFIER PC BOAD(NADG-7401-3A/3B/3C/3D) <Notes> <402> : TX-SR402 (Chinese model) NOTE : THE COMPONENTS IDENTIFIED BY THE MARK ! ARE http://www.xiaoyu163.com...
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http://www.xiaoyu163.com 7/37 PAGE 3 7 63 1515 0 NOTE : THE COMPONENTS IDENTIFIED BY THE MARK ! ARE <8240> : TX-SR8240 (Chinese model) CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE ONLY WITH PART NUMBER SPECIFIED. <420> : HT-R420 (All destination) <DD>...
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http://www.xiaoyu163.com 10/37 PAGE 3 7 63 1515 0 C315 C-CERA C CC725CH1H-101J1 342101014R1 <DD>, <DC> C316 C-CERA C CC725CH1H-471J1 342104714R1 <8240>, <402> C316 C-CERA C CC725CH1H-471J1 342104714R1 <PA>, <WT>, <PT> C316 C-CERA C CC725CH1H-101J1 342101014R1 <DD>, <DC> C317 C-CERA C CC725CH1H-471J1 342104714R1 <8240>, <402>...
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http://www.xiaoyu163.com 11/37 PAGE 3 7 63 1515 0 C706 VR C CE04W6.3V-100M(VR) 394621017 C706 or ELECT C CE04W6.3V100M(SC) ( 1) 394721017 C707 C-CERA C CK725F1E-104Z1 332161040R1 C708 C-CERA C CK725B1H-103K1 332101035R1 C709 C-CERA C CK732B1A-105K 337361055R2 C710 C-CERA C CK732B1A-105K 337361055R2 C711 C-CERA C...
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http://www.xiaoyu163.com 12/37 PAGE 3 7 63 1515 0 C6401 TF C ECQ-V50V-104J 374721044 C6403 C-CERA C CK725F1H-223Z1 332152230R1 C6404 VR C CE04W16V-10M(VR) 394641007 C6404 or ELECT C CE04W16V10M(SC) ( 1) 394741007 C6405 C-CERA C CK725F1H-223Z1 332152230R1 C6406 VR C CE04W16V-10M(VR) 394641007 C6406 or ELECT C...
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http://www.xiaoyu163.com 13/37 PAGE 3 7 63 1515 0 R302 C-CARBON R RN72K1J-331JE 435033314R1 R303 C-CARBON R RN72K1J-331JE 435033314R1 R304 C-CARBON R RN72K1J-331JE 435033314R1 R305 C-CARBON R RN72K1J-331JE 435033314R1 R306 C-CARBON R RN72K1J-331JE 435033314R1 R307 C-CARBON R RN72K1J-331JE 435033314R1 R310 C-CARBON R RN72K1J-331JE 435033314R1 R311...
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http://www.xiaoyu163.com 14/37 PAGE 3 7 63 1515 0 R710 C-CARBON R RN72K1J-103JE 435031034R1 R711 C-CARBON R RN72K1J-103JE 435031034R1 R712 C-CARBON R RN72K1J-470JE 435034704R1 R713 C-CARBON R RN72K1J-470JE 435034704R1 R714 C-CARBON R RN72K1J-331JE 435033314R1 R715 C-CARBON R RN72K1J-331JE 435033314R1 R716 C-CARBON R RN72K1J-331JE 435033314R1 R717...
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http://www.xiaoyu163.com 15/37 PAGE 3 7 63 1515 0 R852 C-CARBON R RN72K1J-222JE 435032224R1 R853 C-CARBON R RN72K1J-222JE 435032224R1 R6402 METAL O R RS1/2WBJ-10 442521004F R6403 METAL O R RS1/2WBJ-33 442523304F R6407 METAL R RNU1WCJ-3.3 452630334F R6410 METAL R RNU1/2WCJ-2.2 453530224 R7000 C-CARBON R RN72K1J-101JE...
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http://www.xiaoyu163.com 16/37 PAGE 3 7 63 1515 0 R7056 C-CARBON R RN72K1J-102JE 435031024R1 R7057 C-CARBON R RN72K1J-102JE 435031024R1 R7058 C-CARBON R RN72K1J-102JE 435031024R1 R7059 C-CARBON R RN72K1J-221JE 435032214R1 R7060 C-CARBON R RN72K1J-473JE 435034734R1 R7062 C-CARBON R RN72K1J-224JE 435032244R1 R7063 C-CARBON R RN72K1J-102JE 435031024R1 R7064...
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http://www.xiaoyu163.com 17/37 PAGE 3 7 63 1515 0 P801 PLUG NPLG-14P666 25055710 E300 RETAINER KANAGU 27141059 DISPLAY PC BOARD(NADIS-7403-3A/3B) SWITCH PC BOARD(NASW-7404-3A/3B) HEADPHONE JACK PC BOARD(NAETC-7405-3A/3B) <Note> Parts are indicated collectively, without dividing for above-mentioned each substrate. REF NO. NAME DESCRIPTION Q'TY PART NO.
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http://www.xiaoyu163.com 18/37 PAGE 3 7 63 1515 0 C7517 C-CERA C CC725CH1E-102J1 342111024R1 C7518 C-CERA C CC725CH1E-102J1 342111024R1 C7519 C-CERA C CC725CH1E-102J1 342111024R1 C7520 C-CERA C CC725CH1E-102J1 342111024R1 C7521 ELECT C CE04W6.3V-220M 355722219 C7522 C-CERA C CC725CH1H-101J1 342101014R1 C7523 C-CERA C CC725CH1E-102J1 342111024R1 R7501...
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http://www.xiaoyu163.com 19/37 PAGE 3 7 63 1515 0 R7643 C-CARBON R RN72K1J-561JE 435035614R1 R7644 C-CARBON R RN72K1J-821JE 435038214R1 R7645 C-CARBON R RN72K1J-122JE 435031224R1 R7646 C-CARBON R RN72K1J-222JE 435032224R1 P7501 ST JACK YKB21-5005 25045724 P7502A SOCKET NSCT-10P1679 25051892 P7502Aor SOCKET NSCT-10P2374 ( 1) 25052477 P7503A SOCKET...
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http://www.xiaoyu163.com 33/37 PAGE 3 7 63 1515 0 C6041 VR C CE04W50V-47M(VR) 394684707 C6042 VR C CE04W50V-47M(VR) 394684707 C6043 VR C CE04W50V-47M(VR) 394684707 C6044 VR C CE04W50V-47M(VR) 394684707 C6230 TF C ECQ-V50V-473J 374724734 C6231 TF C ECQ-V50V-473J 374724734 C6232 TF C ECQ-V50V-473J 374724734 C6233...
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http://www.xiaoyu163.com 34/37 PAGE 3 7 63 1515 0 R6034 CARBON R R16J-1K 417341024 <402>, <8240> R6034 CARBON R R16J-390 417343914 <420> R6040 TRIM R N06HR1KBC 5210258 R6041 TRIM R N06HR1KBC 5210258 R6042 TRIM R N06HR1KBC 5210258 R6043 TRIM R N06HR1KBC 5210258 R6044 TRIM R...
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http://www.xiaoyu163.com 35/37 PAGE 3 7 63 1515 0 R6160 CARBON R R16J-33K 417343334 R6161 CARBON R R16J-33K 417343334 R6162 CARBON R R16J-33K 417343334 R6163 CARBON R R16J-33K 417343334 R6164 CARBON R R16J-33K 417343334 R6170 CARBON R R16J-47K 417344734 R6171 CARBON R R16J-47K 417344734 R6172...
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C6901 - C6902 TX-SR402/8240/HT-R420 PACKING PROCEDURES PARTS LIST <Notes> (S) : Silver model (B) : Black model (G) : Golden model <402> : TX-SR402 (Chinese model) L 13942296513 <8240> : TX-SR8240 (Chinese model) REF NO. NAME DESCRIPTION Q'TY PART NO.
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18 Park Way, Upper Saddle River, N.J. 07458, U.S.A. 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, u163 N.T., HONG KONG Tel: 852-2429-3118 Fax: 852-2428-9039...
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