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ONKYO SERVICE MANUAL

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2. 26 6 L5a gt R5 25 T tee Ba pers 24 gt RCOM2 23 9 170 gt gt 22 10 189 23 Re 2 11 LCOMSc Wil o RCOM 20 9 16 Vss0 12 Vero e Hg tes 18 15 17 ares C13 Q308 Selector terminal terminal 15 L all analog switches Reset terminal When power is turned are off on the condition of the analog switch 19 VDD Power supply terminal 15V 20 is not detrmined but when this 21 Input output terminals of audio signal of right channel Control to the inside analogue switch at the serial data Input output terminals of audio signal of left channel Control to the inside analogue switch at the serial data 15V SEL of microprocessor terminal DATA of microprocessor terminal CLOCK of microprocessor Serial Data Composition swi sw sws sw swe Address Switch change over Switch change over Quo Of 1 0 1 TAPEZ TUNER VIDEO VIDEO 24 VIDEON TUNER WEZ 1 1 CD SOURCE TAPE2 0309 o 1 1 1 2 SIM SIM DIRECT 0601 1 1 1 1 DOLBY HALL NORMAL WIDE CENT
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4. ct e x 250 THWG 104 X Ex Sea B Sp TOY LNOD HLNAS Yid 1010 E MM PPE 251 5 9 N LLLI 3 3 Xu CLS uw 1 09 8 ef Og m g She 5 uoww 1 titi D E NOILVH3dO 39v11 15 02 2910 3926 1H 1 t 3911 4 1020 mH mum mE EN us 25 d amd OA 300930 NO20N3H 8 5 4 040 z 15 E 2 045 5 ______55 26789094 ma HOLV2IQNI 020 HOLIMS 9 HOLY SION 120 0140 YOLVOSIONI SNOILdiHOS3Ga HOSS3OOSUdOUDIIN 12 TX 904 906 Terminal Description Pin No Symbol Descripion _ O SOS Segment and key scan output terminals H when active A 102102 This is the input terminal for detection of the stoppage of electric current L when the stoppage of electric current Initializing input terminal for region setting of FM band Initializing input terminal for region setting of AM band YS IN PROTECT
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7. o MS d334n8 B 940 6010 1 201 Pp _________ 0 91714 250 712v201 e Hi 5 5 Zola 2 5 C wv OLPiny 992 41102412 9 300530 034315 16 5 OIOV WY ONV dl AS C C po d AS 010 2010 O3NAL Wa z 3H IHL 13QOM 33310 Ms 58 NOLLO3S YANN 2018 e gt lt 15 02 2060 e 9 gt AZI 83434 8 99 9290 1061 2v 9129 3801 13 1040 L ISNA ANVNINd 2064 1 60 H3PHOJSNYHL 2061 geex2 0izl g 1 310W34 015 HOSN3S 70U1N09 310W3 102 2110 32384 2 26752031 91 1 JAIXO HOLVOIGNI H37110HM1INOO Y U32S3HA1NAS Tid 120040 MES 916 31711 Ji Md 250 Zinn 1018 TR S 533306 8020 I OZvVANY 9921 1 TAY LININ 4300530 15 W31SAS OIOVY Wy ONY di 31 C 102819 952 2 20104010 INY wd v rn 134 H31114 310418 017 313006 8020 59 m ua STAGOW H3H LO NOLLO3S YANNL
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10. NIZB82271H211AS SOT1vNY BOTO 40151533 14 5 1 OIA a 2 4 2 u344ng OCO 3dvl a i lt Av d v9lzezad if MOSS320HdOW2IN 2010 HOLINON o 1525 H21IAS u012313S O3dlA NI 26ee 90g 2 Q30N31X3 1no 2 0391A Q 834308 NI I C 10915 2Nn 3 215 2699044 2 1 3AINQ AV13M H3MNVIdS 3149 880 628221 311 5 9O01YNY 6020 1081405 3NOL 170399 H31N32 HOLIMS H3 H Hv3H 19 3Wn 170 In Ns Aw 130 1719180 19261 15 1990 HOLIMS 2150 31nw Y lt 670 vu 3 D 2 IGLIZWEN pz ne a 300230 HOLIMS E 21907 23 2 9 AH130Q e 310W3M A 2090 H2 1 90674 HOSNiS 3 3 a n S N ZBZ21H211MS 1690 H2 M NIY 9 40 un H2 1 INOUA gt 8 P a OL 9 L 1061 1066 1095 906 XL 1 NOLLOAS INVHOVIG 2018 10 HOLINON NI 2 CD 1626 lt m m 9 n 21 431308 020 1no 2 Nit 03Qi CD 25 91 930N31X3 H34Y3dS 1
11. ADJUSTMENT PROCEDURES e Preparation 1 Input FM mono 1kHz 75kHz devi 60dB u V FM stereo 1kHz 75kHz devi 60dB u V Pilot signal 19kHz 7 5kHz devi 400Hz 30 mod 2 Outputs Connect the non inductive type resistors of 8ohms to the main speaker remote speaker and rear speaker terminals unless otherwise noted 3 Standard Knob Position TAPE MONITOR 2 HMM OFF SURROUND MODE VOLUME RH HMM IH Maximum CENTER MODEM WIDE BASS TREBLE BALANCE INPUT DELAY TIME HAMM 20mS BALANCE HH HII Center SIM REAR LEVEL Center MUTING e HH MH Ih OFF REC SELECTOR SOURCE INPUT SELECTOR HMM CD SPEAKERS eH HH III ON S T C HH eH e eme e enhn enhn OFF SELECTOR AND POWER AMPLIFIER PC BOARD Amplifier section Idling Current Adjustment Connect the DC voltmeter to the terminals IID and VCT on the pre and main amplifier pc board Adjust the semi fixed resistors R509 and R510 so that indication of voltmeter is 5 0 5 NOTE Adjust after switching on for 5 minutes 26 od Jun L D xm gt 00250111950 919U1 OA 57 314 Jez eug 153219098 121815 011401510 3 3 lt amp 2312 1 01 eqoisd 4814 eui 251 JO1 123Uo923 21815 314 Jazf eue uor1J03S1 510250111250 4919U1 OA OY 101219099 120315 jeutuJa 309110 EUUSJUY Md 831210 418
12. N LZSIVE SO O CO O Q 959S89 N LOZ 4 gt Le Z Z OACGIA ub an ulc zu tY ES 057 AXE gt 8 iyi wei AWOSE mm 1331 5585 5 _ CRA ad O O AuOSL ca ES me mms e es AN SS CES BO REED D een Genes AWOSL 234 fo 451 51 14 AUOS js o 537 1 LHOTY AWOSL 934 1437 1 uOS ao ET a gt gt 01 4 ere I pp EL TE ea tt dE ONO oT Seo HE 5 6670 9650 9670 1670 dieti E TROIS L8 L amp 3VVN NOILO3S STSGOW H3HlO 06 X1 130OW OILVWAHOS 2 8 card C L8 Vr JVVN OL c NB8LCS LIVE JO Q 18S8Sv UN 0 96 OL 94 21 Lore 13431 InWIS 5 VAIS m LOSd C L8 Vv JVvN OL 5162 1 1180 gvo STO 1 PPE FZSSEMRY Z LELD A
13. 96 3 OL DOL 6 LAS L YS60 1960 SZ LLQLO 2560 5 210 1560 7 1054 NIVIN 3J1O0N3 SH3Div 3dS A ES o Hotot 55 2 Ps SE 0162 e ee on Sein is a mr 6 5 OL 6 34 OL 108 ae ee lt Pn ge zoro 39Nv v8 YWO SPTHSZ 9090 amp 0vO NBOLESIVB 49 CESSION Z0vO LovO wZB COA ELSSE S3IPLLVLO 29 20 2 0160 BZIZN 1060 001 6 45 6060 8060 3060 E 22 55700 2160 5 lt 6 52 p d 0 2 B260 ai Lu lige et 057 5 L 5060 gel POE NSLZSLVB 90 0 ZOED NI amp OaA3Q0I S3rrloLo 5060 2 11810 065 ZOSAGY 1060 e J9v L 266 52 9 5781052 PESO LESO ILSIVSE 26 1 52 8050 0659 9050 5049 50 4 1252 050 0559 300 65 SLES E 1089 0605 SJeiINIO 8690 3690 PZ 181 NOIL93S OIGNV TAGOW 906 XL 13QOW WVHOVIQ 3 g V NOLLVHOdHOO OAWXNO LSe 1n ple te Y
14. 904 906 ONKYO SERVICE MANUAL Ref No 0M3399 QUARTZ SYNTHESIZED TUNER AMPLIFIER MODEL TX 904 MODEL TX 906 Black mode _BHUD BHUPN 120V 60Hz BHUP 1 230V SOHz L ___ BHUW 120 220V AC 50 60Hz BHUQA 240V AC 50Hz SAFETY RELATED COMPONENT WARNING TABLE OF CONTENTS COMPONENTS INDENTIFIED BY MARK A ON Specifications 2 THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE Exploded view Model 906 211 4 4 4 AND ELECTRIC SHOCK REPLACE THESE Model 904 6 COMPONENTS WITH ONKYO PARTS WHOSE Parts list Model TX 906 ss 5 PART NUMBERS APPEAR AS SHOWN IN THIS Model 904 ss 7 MANUAL Block diagram Tuner section 120V model 8 MAKE LEAKAGE CURRENT OR RESISTANCE Other 9 M DOSED PARTS Amplifier section Model 906 10 INSULATED FROM THE SUPPLY CIRCUIT Model 904 11 BEFORE RETURNING THE APPLIANCE TO Microprocessor descriptions THE CUSTOMER Connection diagram 12 Terminal description 13 IC block diagrams and 1 15 Adjustment procedures 26 Printed circuit board VIEWS 29 Schematic diagram sise 35 Model 906 120 model 2 35
15. Power supply terminal 1 5V 15V of right channel SEL of microprocessor at the serial data Serial data input terminal Connect the terminal DATA of microprocessor terminal CLOCK of microprocessor i Termi ipti 1 2 3 4 5 6 7 8 9 10 11 1 Input output terminals of audio signal 2 of right channel when surround mode 3 Control the inside analogue switch 18 IRES Reset terminal When power is turned 4 at the serial data on the condition of the analog switch 5 Not used is not detrmined but when this 6 terminal 15 L ali analog switches 7 are off 8 19 j Powersupplyterminal 15V ____ 9 Input output terminals of audio signal RCOM3 terminals of audio signal 10 of centert channel when mode SIM 21 SIM of nght channel when mode SIM 11 5 Dolby pro logic control signal Control the inside analogue switch at the serial data 22 15V 24 SEL of microprocessor 26 BEN EE terminal DATA of microprocessor 28 terminal CLOCK of microprocessor 30 17 Input output terminals of audio signal of left channel when surround mode Control to the inside analogue switch at the serial data 904 906 Q308 LC7821N Analogue switch 1 o gt r Se 30 2 12 8 1 29 3 tx ____ oR3 28 4 14 MI LB oR4 27 5
16. 2 cel Re lOkd x o 28 u dose 92 in S 390081 190091 0222 6 22 99005 4602 38006 2251125 mme meer EA Dt NR SN ue Am usse 6 cma qu Lan ML HE TM i 11051733 v6Llv 434vN MM w encens SS M WA CAE SS a Me a M NOLLO3S HANNL ST130OW H3HlO 06 1 1300W WVHOVIQ OILVIN3HOS 5 3 3 2 a V OLLVHOdHuOO OAXNO 06 Le IVYN OL 2 061 4 OL C HRS EN WLOL Sc S TON OL gu YC r6 ligue OL AA 211 5 9998999999999999909000990590959599 1 955500999090508 999 3337 ERG 2064 vt appa 18 55 mint A m voro ou 00 TVLOL on DU O3HOL1MS aos i ERE ur HD 2PZHSZ 9090 5000 tora sp Eur NGLZSIVE E0 mE 1 G TESSWN 20 0 1099 Ce ou 1084 ie ON 22 OL Li WV S6Lblv SdvN t 551 7150 469 554 00 45 6069 8060 9060 3054 22 eed SETE a 55 V 8060 12 olv 00 262 652 To CERT mens mn QT MOOL 7 101 G3HILIMS
17. 518 4 3HL 40 3015 JHL 93908 24 NI S N N HOIHL JHL e GILON 35 A3HJO SS3 IND SILVM v i SAHO 34v 540151528 TIY e 4 0 40716661906 7066 1455 OgOcJdt X3 3S1MHSHLO SS37NO AM0S 434 1 34 SHOLlIOVdvo e ANA NI I SHOLIOYdvVO 211470412313 e QaLON 851 8 3 10 553740 ELSSE LNSTVWAINOS 3MV 530010 TV e 3SIMNSHIO SSAINN H SOTPLLIOSZ OL SUOLSISNVEL NAN TIW e ORLON aSlAH3HLO SSIINN B S 6VSZ Ol ANSIVAINOZ SUOLSISNVHL dNd v e AWNDIS ON 3DY IL7OOA 20 SIO HLIM 9 4 e 081212845 u3OWnN LUvd HLIM ALIAVS 79311140 Youn O3IJIAN3OI SLNANOGNOD SION Tho 001 5161 7560 1569 SZELLGLO 2560 S3vv L21Q 1550 1 96 17 OL vl x58 AVI t oi 0 a 9 25 5904 580 266955 19350 58 252 950 150 98161952 49 25 52 8050 1050 1068252 95895 9050 505 0 LOSS 1 96 tb JvvN OL 9 D Ql we 58847 i TE is Is NIVW SLOWSY 53 9345 TES 9060 02221 0160 SE LZIN 2060 001 6 dS 6060 806d 9060 06 a 5060 625 11810 r060 DL e coss vn i 2 Lies rest ere S3rtLvV1O
18. 201 25050449 NSCT 16P273 Coils and Transformers L101 233401 NFIF 4072 IFT POWER SUPPLY CIRCUIT PC BOARD NAPS 4195 2 2A 2B 2C L102 233402 NFIF 4073 IFT CIRCUIT NO PART NO DESCRIPTION L103 233411M022 NCH 1375 Transistors L104 233383 NMC 6070 lt P W gt Q951 221282 DTC144ES L151 232148 7050 RF block Q952 2213650 DTD113ZS L152 232139 NMIF 4062 IFT Diodes 12011202 233355 NMC 4059 LPF D951 D954 22380032 1SR139 100 Ceramic Filters D955 223163 188133 X101 3010071 SFE10 7MAS D995 D996 223163 155133 102 3010071 SFE10 7MAS P W Power transformer X103 3010071 SFE10 7MAS D T902 2300670 NPT 1111D D 3010130 SFE10 7MZ2 P W 2300671 A 1111 lt gt X151 3010123 5 2 450 2200672 A NPT 1111DG W X152 3010076 BFU 450C 2300673 A NPT 1111Q lt gt Capacitors X104 3010141 XTL 7 2M C901 3500065A DE7150FZ103PAC400V 125V IS Capacitors C952 354761019 100 F 35V Elect C001 354741019 100 F 16V Elect Resistors C106 354784799 0 47 F 50V Elect R901 431523355 33M0 12W Solid D C107 354742209 22 F 16V Elect R951 442520824 8 20 1 2W Metal oxide film C108 354741019 100 F 16V Elect AC outlet C112 354780229 22 50 P902 25050409 NSCT 4P234 D C113 354784799 0 47 u F 50V Elect 25050640 A NSCT 4P451 lt P W gt C116 374722234 0 022 595 50 V Plastic Switch C117 374723334 0 033 596 50V Plastic S901 25065437 NSS 22157P Voltage selector C118 354780229 2 2
19. yorg lt d gt sued yorg lt C gt pued yorg 18549 1 920650 150050 1195909566 CIZOLTLE 00009185 10 15054126 V9LETCC8C CLEVCESC AC9CECTSC 96516186 0800 rtt8 VStCecI8c VHETSTIST FTT9LCVI 1590611 88 VOS8TOLILT VCOOVI8C 880057758 9 8180 d6t901T11ZC 900tv1c8 0 8 8800ETTES 680077058 BOIOEYELS 08005758 8800577 8 v 108 TO0061 LT 15906112 OSLOOELT 86PI PILZ ESOOLTLE L8CO9TLC GVPITILE V6ECOOTLZ 064 1064 06V 6274 9t V SEV LEV CLV 6 8cv 92 STY LA ECY ccv 0 61 81 LIV SIV piv TIV 6V 8v LV 9v SV CV IV 1HVd ON 334 151 S18 Vd Agi u3ddng 99205915 2812 3175 8 HN 126 910 36ni 13 1040 D M3M0d 3503 AYYY 10574 1064 E ACI UFMOd 2061 r 1660 SZGXILO1LIOd 300234 7681402 310W3H 0265 41 SN3S Hd r SN35Hd 1 26v 20d 2 Q3ON31X3 JAIXO YOLYDIONI dt SE HOSN3S 104 INOJ 310W38 250 birir m 13538 1025 102 x 2120 _ solo jf vivo ________ GHI LL 120010
20. 2213510 Diodes 224450623 223163 223163 223163 224450562 223163 223163 223163 L E Ds 225137CG 225137DG or 225137DY 225142 225142 Coil 233411K220 Ceramic Oscillators 3010163 3010154 Capacitors 353780109 353741009 375524144 3000057 DESCRIPTION GPIUSOXS 11 BT 92GK u PD75212ACW 284 PD17103CX 531 PD6345C BA6125 2SC1740S R DTCI44ES DTC123JS DTB113ZS 114 5 MTZ6 2C Zener 158133 158133 1581233 MTZ5 6B Zener 155133 155133 155133 SEL2413ECG SEL2413EDG or SEL2413EDY SEL2913K SEL2913K NCH 1387 CST4 19MGW CST8 00MT 1 u F 50V Elect 10 u F 16V Elect 0 47 u 5 50 0 1F 5 5V Super 70 CIRCUIT C710 C715 C711 R742 5701 5703 5705 5709 5718 5721 5742 5746 P702b JL701b Q702a D711a NOTE THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK REPLACE ONLY WITH PART NUMBER SPECIFIED PART NO Capacitors 353780109 353721019 Resistor 49163104406 Switches 25035548 25035548 25035548 25035548 25065286 Plug 25055512 Socket 25050576 Holders 27190842 27190843 DESCRIPTION 1 F 50V Elect 100 F 6 3V Elect 100k 0 X 6 1 10W Network NPS 111 S510 NPS 111 S510 NPS 111 S510 5 111 5510 NSS 22112 Band W NPLG 5P487 NSCT 30P387 LED9 LEDI VOLUME CIRCUIT PC BOARD NAAF 4190 2 CIRCUIT NO Q451 Q453 0454 Q871 D871 C451 C452 C457 C458 C459 C460 C461
21. 339 1 2W Metal oxide film 18 1 2W Metal oxide film 150 0 2W Metal oxide film 47 1 1 2W Metal oxide film 330 2 1 27 oxide film 22 1 1 2W Metal oxide film NRL 2P1 25 DC24 067 NRL 2P5A DC24 046 NPJ 6PDBL159 Input output NTM 8PDMNOSS Speaker NPLG 16P477 NPLG 7P554 NPLG 2P468 NPLG 4P471 NPLG 12P475 CIRCUIT NO P603 P991 IL701a F904a F905a F904 F905 F904b F905b CIRCUIT NO NOTE D Only 120V model P Only 230V 240V models lt W gt Only Worldwide model PART NO DESCRIPTION Plug 25055499 NPLG 10P474 Clamp 260224 CP 1S Socket 25050610 NSCT 30P421 Fuseholders 250113 A S N5051 D 25050065 YSH403T lt P W gt Fuses 252051 6A ST 6 Secondary D 252078 5 5 lt P W gt Fuse Rating Labels 29360419 TSA 250V P W Radiator 27160262 Q501 Q502 27160209 RAD 67 HEADPHONE TERMINAL PC BOARD NAETC 4188 2 PART NO DESCRIPTION 25045255 YKB21 5009 P504 DISPLAY CIRCUIT PC BOARD NADIS 4189 2 2A 2B CIRCUIT NO 0701 0701 0702 0703 0705 0706 0707 0709 0710 0712 0713 0714 0716 0715 D701 D702 D713 D715 D738 D740 D742 D743 D762 D744 D748 D752 D754 D758 D705 D707 D709 D706 D708 D710 D712 L701 701 X702 C701 C705 C703 C704 C707 C708 PART NO Remote Sensor 24130003 FL Tube 212099 ICs 22240486 22240466 22240211 22240341 Transistors 2213284 221282 2213640 2213830
22. 577 578 354741019 100 F 16V Elect C581 C582 374724734 0 047 F 5 50V Plastic C583 C584 374721044 0 1 F3 5955 50V Plastic C591 C592 301980227 2 2 F 50V Elect C593 354781099 0 1 F 50V Elect Resistors R581 R582 442520824 8 20 1 2W Metal oxide film R583 R584 4000059 0 22 1 2W Metal plate Relay RL506 25065330 NRL 2P5A DC24 046 Terminal P251 25045339 NPJ 4PD YE190 Video out Plug 612 25055133 NPLG 3P117 Sockets JL251 25050270 NSCT 6P98 571 25050272 NSCT 8P100 JL572 25050267 NSCT 3P95 72 NOTE THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK REPLACE ONLY WITH PART NUMBER SPECIFIED SERVICE PROCEDURES l Replacing the fuses For continued protection against fire hazard replace only with same type and same rating fuse Circuit no Part no Description F901 252051 A6A ST 6 Primary fuse lt D W gt F902 252076 A3 15A SE EAK Primary fuse lt P W Q gt F903 252075 A2 5A SE EAK AC outlet fuse lt P gt F904 F905 252051 6A ST 6 Secondary fuse lt D gt 252078 SA SE EAK Secondary fuse lt P W Q gt NOTE lt D gt Only 120V model lt P gt Only 230V model W Only Worldwide model lt Q gt Only 240V model 2 Change of FM AM band step With the exception of the Worldwide model a BAND STEP selector switch is not provided FM BANDSTEP R73 NS t00k Hz 50k Hz Addition Open 50k Hz 100k H
23. Damplontpe 8 bag ass __ LLL 29341628 29341628 D Instruction manual 129341629 29341629 P W Q Instruction manual _______ 2920648 29264 1 2 222219292 29292 FM antenna 2 10 22400 NMA 3057 AM loop antenna ___ 01000 2010200 1 Connection cord RI 13010054 300054 JUM 3 Twobateries 124140208 j RC 208S Remotecontolunit 1 124140210 RC 210S Remote control unit 24140209 7 RC 209S Remotecontrolunit 1 124140211 P W Q 2115 control unit 29365019A 29365019A DN Warrantycard NOTE D 120V model 29365024 29365024 Waranty card P 230V model _ 12935007 29353001 DN _ station list W Only Worldwide model 12505508 125055018 CK K 1 Conversion plug lt Q gt 240V model 125060123 125060123 0 _ antenna adaptor lt DN gt Only U S A model 29100097 129100097 850 X650 Styrene bag lt PF gt Only French model ONKYO CORPORATION International Division Onarimon Yusen Bldg 23 5 Nishi Shimbashi 3 chome Minato ku TOKYO 105 JAPAN Tel 03 432 6987 Fax 03 436 6979 ONKYO U S A CORPORATION 200 Williams Drive Ramsey N J 07446 U S A Tel 201 825 7950 Fax 201 825 8150 ONKYO Europe GmbH Hellersbergstrasse 4 4040 Neuss WEST GERMANY Tel 02101 12 00 75 Fax 02101 10 33 06
24. L when FM 9 AM AM band control output terminal L when AM 10 AMIN local oscillator input terminal 11 FMIN FM local oscillator terminal 13 2 Power supply terminal 14 Charge pump output of the phase detector which constitutes the PLL High level is output when the divided local oscillator frequency is high than the reference frequency In the opposite case low level is output Floating occurs when the frequencies matched The output is applied to the variable capacitor diode in the local oscillator through the low pass filters 16 Vss Ground terminal 15 PD2 16 904 906 0307 0692 LC7822N Analogue switch gt Li e S4 be 30 2 48 4 Rs pore 29 eel MDN 4 LCOMIG RCOMI 27 5 44 Sd 7 gt R4 26 sel TT 1 on 7 4 __ ORE 24 8 LCOM20 25 9 176 lt gt ORT 22 10 tac RIT EE ne 21 GI RCOMS 20 19 ot 16 12 8 5 14 18 RESO 2 15 17 5 a2 Y 7 13 i Termi ipti S Selector terminal terminal Reset terminal When power is turned Input output terminals of audio signal on the condition of the analog switch of left channel is not detrmined but when this Control to the inside analogue switch terminal iS L all analog switches at the serial data 19
25. 0 08 at rated power FRONT 60 at 8 ohms FRONT Phono 2 5mV 50 kohms CD Tape Play 150mV 50 kohms Tape Rec 150mV 2 2 kohms 120mV RMS at 1 000 Hz 0 08 THD 20 to 30 000 Hz 1 20 to 20 000 Hz 0 8 dB BASS 10 dB at 100 Hz TREBLE 10 dB at 10 000 Hz PHONO 80 dB IHF A 5mV input CD TAPE 100 dB IHF A dB VIDEO SECTION TX 906 904 Signal sensitivity and impedance VDP VCR normal input output 1 Vp p 75 ohms TUNER SECTION TX 906 904 FM Tuning Range Usable Sensitivity 50dB Quieting Sensitivity Capture Ratio Image Rejection Ratio IF Rejection Ratio Signal to Noise Ratio AM 87 5 108 0M Hz 100kHz steps Tuning Range 530 1710kHz 10kHz steps Mono 11 2dBf 2 OuV Usable Sensitivity Stereo 17 2dBf 4 Image Rejection Ratio 40dB Mono 17 2dBf 4 IF Rejection Ratio 40dB Stereo 37 2dBf 40uV Signal to Noise Ratio 40dB 1 5dB Harmonic Distortion Q 796 40dB 90dB GENERAL Mono 73dB Power Supply AC120V 60Hz Stereo 67dB Alternate Channel Attenuation 55dB AM Suppression Ratio Harmonic Distortion Frequency Response Stereo Separation Muting Level 50dB Mono 0 15 Stereo 0 25 30 15 000Hz 1 5dB 45dB at 1kHz 30dB at 100 10 000Hz 17 2dBf Dimensions W x x D Weight 455 x 150 x 331 5 mm 17 15 16 x 5 7 8 x 13 1 16 TX 906 10 8 kg 23 8 Ibs TX 904 9 7 kg 21 4 Ibs
26. 121 dure pue 3o129 9S VC L8 p V VN lt q gt Asse preoq od 1oeipi dure VC L8S9LCVI Jamod 1oj29 2S7 L8 Lp TV VN T L8S9LTVI lt gt 1euuojsuen 1M0d OOTII LAN LL900 C 4110 lt 0 gt lt M gt JHUHOJSUET 19 0d OCIOL I 1 LAN 9190055 1 SPIMPHIOM TUO A lt d gt 1eunojsue 12 0d d0T I LAN C 900 Z lt 4 gt lt q gt ISULOJSUEN mof OIL E LdN 7190055 TUQ q 8 LON s1o1sIsuer 39MOd O NSOTI 57 8CCOCC 10 Y NS9ZI VSZ 97872002 4 lt 691 52 91500 lt 691 50 PTSZOZC O 6691V SZ 1 70 SJOJSISUEJ 2816250 6CCOCC lt O M d gt Asse 10 u NC81 2SC JO C6CCOCC od jojijdure qns pue ooptA V7 9615 H3V VN WT 96S9L7V1 4 89 2527 9ZSZOTZ lt q gt Asse A 89vvOSC 0502 pieoq od 12 qus pue lt 9617 79659 1 un 89 252 77072 lt gt Asse lt O gt PMO DV ELTdZ LOSN 9PEOSOST 24 1102115 Ajddns j20g D37 S 615 Sd VN DT S6S9LTVI ploo A ddns ramog yV S SV 8II SC lt M gt Asse lt M d gt p109 Ajddns 1o od 335 SV W 8BPIESZ od A ddns 0487 5619 54 959659591 191855 d Asse qq p102 Ajddns JO OPI EST od 102112 Ajddns 10oq v7 c61t SdVN WC S6S9LZVI 81 9 V ETIESZ lt q gt Asse 77009065 preoq od Ajddns 1204 66 17 54 T S6S
27. 2900006 9910CC 991082 E99 1077 LCCOCC 10 CLCCOCC 5591006 591026 591026 97505056 BITES VI C60 SC 8 1 191652 Jo 9ptt6C ETL EST pro0S0sc OLOCOL EPO 8LOCSC 150052 6105055 ON 51 en In 1061 80604060 90 lt 0 lt 0 lt 0 2064 2064 106d TOL TL 6063 064 064 ON 338 lt gt asny AVA AS VSI E lt gt esnj AeuId 9 LS vo Y 2504 lt gt 192245 uor sn 821 qd qouy ANO L ANNIOA ajd yorg awd mAV 9105 Sutddei jToes 5g g8 d LL y des pug des Asse oued J9pIOH L 81 S IOM Mauss Sutddei pued wonog 0 MaJs Buiddet JeS Og gs S LLE 19402 doy sse 1932024 11014 9155 ueq 5 NH9 dt MIIS peau ueq Og NHST dE 9125 Suiddey ToS qe M LIE 9155 Sutddei 3les Og O8 OLL malos duiddei jpos Og mains Surddei jtos Og gg d LLE 9155 urddei j es Og q8 SLE Malos Sutdde 13PIOH 501 5103 1 81 5 103 sutysng V S 1242818 1932 14 HS 1exoeiq JoyeIpey lt gt joued M pued lt d gt yorg q pued 615507 NOILdid9S3a 9LOCSC 150066 195909465 CICOLCLC 0200 182 l isceLizc 526 110 8 VOLEVTEST CLEVCEBC 49266182 96516182 0800 VStCecT8c 18 0
28. 374726224 374721824 391941007 SORRY DESCRIPTION NJM4565D D 15218 LC7822N LC7821N LC7823N 15218 or NIM4558L D PC1298V 15218 PD6345C 78 12 79 12 78 56 2SK246 GR RN1241 A RN1241 B DTA114ES 25 17405 2SC3856 O 25 3856 25 3856 2SC3907 R or 25 3907 2541492 0 2SA1492 Y 2SA1492 P 2 A1516 R 2541516 0 25 1845 2SC1845 E 254992 25 4992 DTC144ES 114 5 DTB113ZS 2SA933S R 155133 155133 155133 MTZ5 1B Zener 155133 RBV602 RBA402 1 R139 100 MTZ9 1C Zener 1SR139 100 MTZ27D Zener 158133 155133 1 3C 220pF X 596 125 V Plastic P W 2 2 p 50 Elect 1000pF 595 125 V Plastic lt P W gt 100 z F 6 3V Elect 6200pF 596 50 V Plastic 1800pF 595 50 V Plastic 10 u F 16V Elect 65 CIRCUIT C315 C316 C317 C318 C391 C392 C401 C402 C403 C404 C405 C406 C409 C410 C413 C416 417 420 441 442 491 493 C501 C502 C507 C508 C513 C514 C515 C516 C517 C520 C533 C801 C802 C851 C905 C906 C909 C910 C913 C914 C915 C917 C918 C919 C921 R393 R407 R408 R413 R414 R509 R510 R515 R516 R517 R518 519 520 R521 R522 R523 R524 R525 R528 R529 R530 R531 R532 R903 R906 R907 R908 911 R912 RL501 RL502 P301 P303 P501 P201 P491 P511 P512 P601 P602 CAUTION Replacement for transistor of mark if necessary must be made from the same beta
29. 576 252 VESO LESO 19 ZOPLVSS HIN LEZ LINH S6vO L6vO t c e P 1 06 IANN OL NOILO3S Olanv STAGOW H3HlO 906 1 130OW DILVW3HOS NOLLVUOdHuOO 8 OL tee E r MEM irme FER TA pi TIN RD s 440 NO d 5 0514155 12 153810 39n0s 49318 3 1193 BS fA 5 MgiN3O 3 solio avi g 4 oqa juga 66 DOL 1926 18 11 S6 Li SdvN OL 9470 1945 50 510 OL 291050784 1817 OL L6 p M P dmm Oe NS SY SS nS a 290 212 ve 228 DEC im SES TE TRUE XI X FEY Acc EFI ZU U rer 00 1027 SIZ 490091 390081 340029 0222 6129 11051733 v6Lltv JHVN e a a a o aa CES MN Ce US A um SRE AY UD SEED Ge ETEO ER Um EEE GED CD COMMUNES SS Us CNE RCE ue Sens a anan a m Gm SS A CN NS NS ES ND E CD NOIL93S O3GIA
30. 8690 9670 S6r0 L6 0 mme ee ee Se 4 A 3 lt A k vou dq EI zova OL 2033 1 06 OL 1099 MO SwzXSZ 900 2090 SONV Ve sr QO 18SS PN 20 0 LOYO Neu 4 6270 672 672 5092 655 Meg 1550 NO LZSLYG 9050 2050 595 LOEO ML ACT LESY 67 amp b d 11817 4 NOILO3S OIGNV J3dOMW 906 1 133OW WVHOVIQ DILVN3HOS 9 8 y NOLLVHUOdHOO OAWNO Se aa Sz 810 v 520 GELU 25249 A amp 1s 2 1355d 222222 22 6422 222227444 EUER n ve 52 love 9020 SOL 9018 022 ozz 2 ssv3o sl ONOHd 6 L SESS S eh L ssvio 8 sv RONEN miel KA BEL Sus qui x x LL 6 Ssvio v 55712 m 7 NUS L amp L s g KE gi s dus LS MOM 8 lt ez X 9 SESS S N 2 S 9 L B 6 O LE ZL El wL SL 9L LL GL GL OZ W ZT 52 PT SC W LL SL bL OF i ZE LE SE LE BE 65 OF Vi 2 vb Sp 9v LV Gb Gb OS 5 b LMvd X026 1B8 LL 040 68 LES IQVN 1 N 28L21 0 ops 9 5297 14
31. C462 467 468 871 R481 R482 P601a P602a P603a P612 CIRCUIT NO Q762 Q764 Q765 Q766 D761 D762 D764 D765 C767 C770 P761 P762 PART DESCRIPTION ICs 22240468 LC7536 22240247 or BA15218N or 22240293 NJM4558L D 22240239 72915 Diode 223163 155133 Capacitors 391980227 2 2 F 50V Elect 391941007 104 F 16V Elect 391980227 2 2 F 50V Elect 391941007 10 u F 16V Elect 354744700 47 u F 16V Elect 391921017 100 F 6 3V Elect Resistor 5142006A N16RGLI100KBT2SF Variable Volume Sockets 25050443 NSCT 4P267 25050447 NSCT 12P271 25050446 NSCT 10P270 2000589A NSAS 6P545 RI mR TERMINAL PC BOARD NADG 4191 2 2A PART NO DESCRIPTION 222780053 78L05 IC 221282 DTC144ES Transistor lt D gt 221282 DTC144ES Transistors 223163 188133 Diodes 223163 155133 5 354741009 104 F 16V Elect capacitor 374724724 4700pF 595 50V Plastic capacitor 25045172 HSJ 1003 01 020 Terminal RI 25045293 HSJ 1003 01 012 Terminal mR 25050444 NSCT 6P268 Socket P951a OPERATION SWITCH PC BOARD NASW 4192 2 CIRCUIT NO PART NO 5719 5745 702 25035548 25050456 DESCRIPTION NPS 111 S510 Switches NSCT 5P280 Socket 904 NOTE THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC NOTE D Only 120V model P Only 230V 240V models lt W gt Only Worldwide model SHOCK REPLACE ONLY WITH PART NUMBER SPECIFIED TUNER CIRCUIT PC BOARD NA
32. D758 223163 155133 463 464 354781099 0 1 F 50V Elect L E Ds C465 C466 374721024 1000pF 596 50 V Plastic D703 D705 225137CG SEL2413ECG 467 468 354744709 47 F 16V Elect D707 D709 225137DG or SEL2413EDG or C603 C608 391941007 10 F 16V Elect 225137DY SEL2413EDY C609 C612 354781099 0 1 50 Elect D704 D706 225142 SEL2913K C615 C616 374724734 0 047 u FX 596 50V Plastic D708 225142 SEL2913K C617 C618 374722234 0 022 u 5 50 Plastic D710 D712 225142 SEL2913K C619 C622 354781099 0 1 u F 50V Elect Coil C623 C62A 354780479 4 7 F 50V Elect L701 233411K220 NCH 1387 C625 C629 354782299 0 22 F 50V Elect Ceramic Oscillators C630 C632 391941007 10 F 16V Elect X701 3010163 CST4 19MGW C631 354786899 0 68 F 50V Elect 702 3010154 CST8 00MT C635 374722224 2200pF 5 50V Plastic Capacitors C636 354724719 470 F 6 3V Elect C701 C705 353780109 1 F 50V Elect 637 374724734 0 047 u F 5 50V Plastic C703 C704 353741009 10 F 16V Elect C638 374725624 5600pF 596 50 V Plastic C707 375524744 0 47 u F45 50V Plastic C639 354742219 220 F 16V Elect 708 3000057 0 1F 5 5 V Super C640 391941007 10 F 16V Elect 66 NOTE D Only 120V model lt P gt Only 230V 240V models lt W gt Only Worldwide model CIRCUIT NO PART NO DESCRIPTION Capacitors C641 374723324 3300pF 595 50 V Plastic C642 C646 391941007 10 u F 16V Elect C648 374722224 2200pF 596 50 V Plastic C649 C652 391941007 1
33. Other models 43 Model 904 120V model sese 51 Other models 22 57 Printed circuit board parts list ONKYO Model TX 906 02200 2 65 amp Model 904 69 Service procedures 73 Packing procedures 74 904 906 SPECIFICATIONS OTHER MODELS AMPLIFIER SECTION Power Output Musical Power Output Continuous Power Output Total Harmonic Distortion IM Distortion Damping Factor Sensitivity and impedance Phono Overload Frequency Response RIAA Deviation Tone Control Signal to Noise Ratio Muting TX 906 Stereo mode 80 watts per channel min RMS at 8 ohms both channels driven from 20Hz to 20 000Hz with no more than 0 08 total harmonic distortion 2 x 190 watts at 4 ohms 1 kHz DIN 2 x 130 watts at 8 ohms 1 kHz DIN 2 x 115 watts at 4 ohms 1 kHz DIN 2 x 90 watts at 8 ohms 1 kHz DIN Surround Simui mode 75 watts per channel min RMS at 8 ohms both channeis driven from 20Hz to 20 000Hz with no more than 0 0896 total harmonic distortion FRONT 12 watts per channel min RMS at 8 ohms 1 000Hz with no more than 0 896 total harmonic distortion REAR or REMOTE 0 0896 at rated power FRONT 0 0896 at rated power FRONT 60 at 8 ohms FRONT Phono 2 5mV 50 kohms CD Tape Play 150mV 50 kohms Tape Rec 150mV 2 2 kohms Pre out REAR 2 2 kohms Pre ou
34. Protection circuit operation detection input terminal H when active Broadcast detection input terminal L when active Control the stop 45 10 dk 12 5 Stereo broadcast detection input terminal L when stereo broadcast Power control output terminal H when the power turns on MR control output terminal H when MR turns on Connect the terminal EN of the extended PD6345C 0705 0851 Connect the terminal LAT of the extended IC u PD6345C Phono control output terminal SELECTIVE TONE control output terminal H when this switch turns on EE t tr 5 3 5 A 16 17 PHONO 18 S TONE 19 RF IN RF mode input terminal B m rm Signal level input control output terminal The signal level is inputed to terminals KO K3 when this terminal is the hig Key scan input terminals when pin 20 is low H when active Signal level input terminal when 20 is high Connect to the terminal CE of PLL IC LM7001 0107 Connect to the terminal CL of PLL IC terminal CL of analogue switches Q307 308 Q309 Q601 Q692 terminal SECK of digital delay Q661 and terminal CLK of electro volume 0451 Connect to the terminal DATA of PLL IC terminal DI of analogue switches terminal SEDATA of digital delay terminal SIN of extended IC_and terminal CLK of electro volume Q451 usa 8
35. Signal to Noise Ratio Selectivity AM Suppression Ratio Harmonic Distortion Frequency Response Stereo Separation AM European models 87 5 108 0M Hz 50kHz steps Canadian models 87 5 108 0M Hz 100kHz steps Tuning Range European models 522 1611kHz 9kHz steps Canadian models 530 1710kHz 10kHz steps Mono 11 2dBf 1 0uV 75 ohms Saudi Arabia amp Worldwide models 0 9uV S N 26dB 40kHz Devi 531 1602kHz 9kHz steps 75 ohms DIN Usable Sensitivity Stereo 18 0dBf 2 2uV 75 ohms Image Rejection Ratio 40dB 23uV S N 46dB 40kHz Devi IF Rejection Ratio 40dB 75 ohms DIN Signal to Noise Ratio 40dB Mono 18 0dBf 2 2uV 75 ohms Harmonic Distortion 0 7 Stereo 37 2dBf 20uV 75 ohms 1 5dB GENERAL 85dB Power Supply European models 90dB AC230V 50Hz Mono 73dB Canadian models Stereo 67dB 50dB DIN 300kHz 40kHz devi 50dB Mono 0 15 Stereo 0 25 15 000Hz 1 5dB 45dB at 1kHz Weight Dimensions W x H x D AC120V 60Hz U K amp Australian models AC 240V 50Hz Worldwide models 120 and 220V switchable 50 60Hz 455 x 150 x 331 5 mm 17 15 16 x 5 7 8 x 13 1 16 TX 906 10 8 kg 23 8 Ibs TX 904 9 7 kg 21 4 lbs Specifications and features are subject to change without notice 2 120V MODEL AMPLIFIER SECTION Power Output Total Harmonic Distortion IM Distortion Damping Factor Sensitivity and impedance Phono
36. T3dOW 06 1 13800 9ILVW3H9S 9 2 V IOLLVUOdUOD OAHWNO SZ LLS 09677 LES XDCOILIGd 040 Ob Si 5 SLO t 540 dress 2518 A81S 3A 3934 LATE 8 4 5 00 0 do ol d 559 994 04922 22422 sS 5118 Ob ISVO 9 jas g LS o d s s L 9 8 t t t oSv 904 6 OL Zi Eb ojo D Mi D oic Q gt oS 9 x5 s 85 ed 8 9541 Sory ga 2 6S of 4 5 25455 92455 225 P 65 8 104 a 97450 2 9 e PSEUD cal ee m 4 SELS QU EL SO 12280 55 12 ssv19 ANOMaN s e USD Q 6 LS 5 05454 32154 sis oN oe i 1 5245 20060 91 50 Ee eu UN OM za D 5 8 g 3 2 Lud Ob 2h Er vk Sr Sb LY QV 6y 05 15 2 S 9 L 8 6 OL Lb L EL SL OF Li GL OZ 2 22 52 wW SZ 92 LZ 82 EZ Ot ZE HE SE 9 LE Ot GE 2 14 4 26 16 1040 HISJiIOHd 26 21 60ED V NVZGZ21 gogo ABEZ Ld 88 2 SESLIN 150 1 z S i ved sez ALON3UdS vds 09 094 NIVWAWHOLIO313S L1ndNI 6 22 64 HOSS390HdOH9IN 40 WVHSVIG STAGOW 43H10 06 TSCOW SILVWSHOS d V NOLLVHOduOO
37. driver B E k _ _ 3 Sb DELAY TIME SURROUND CENTER MODE MR 68 RECOUT 61 83 __ 7 6 5 60 Sh CLASSSCAN DTUNNG 9 14 TX 904 906 IC BLOCK DIAGRAMS AND DESCRIPTIONS Q104 LA1266 FM IF and AM Radio System au ram om M STRQ FN IF STGP OUT Ycc AM IF 10 1 t IN AN IF 20 QUT 21 MIX RF OUT t NARROW LED AM OSC BUFFER REG 5 8 METER DRIVER 4 29 24 20 4 el OSC 05 GND in OUT Q201 AN7470 FM Stereo Decoder DETECTOR DRIVE PHASE PILOT STEREO Sw DETECTOR STEREO E 76 kes To 18 38 Hz To 18 5 19 19 DIVIOER DIVIDER OIVIDER LCH POST Q251 X Don t care 15 TX 904 906 Q107 LM7001 PLL Synthesizer and Controller 54 54 1 94 CL DATA 801 BO2 Terminal Description XOUT Connect to the 7 2 MHz crystal oscillator 2 XIN 3 CE Chip enable terminal Connect to the PLL terminal of microprocessor 4 CL Serial clock input terminal Connect to the CLOCK terminal of microprocessor S DATA Serial data input terminal Connect to the DATA terminal of microprocessor OS SYN Not used AUTO MONO AUTO MONO selection output terminal L when AUTO FM band control output terminal
38. group as the original type PART NO DESCRIPTION Capacitors 354744709 47 u F 16V Elect 373303314 330pF 5 125V Plastic lt P W gt 373303314 330pF 5 125V Plastic 391941007 104 F 16V Elect 354744709 47 F 16V Elect 374721534 0 015 F3 596 50V Plastic 374721534 0 015 u F3 5956 50V Plastic 374721044 0 1 FT5 S0V Plastic 374721024 1000pF 556 50 V Plasuc 391941007 10 u F 16V Elect 391941007 10 F 16V Elect 391941007 10 4 F 16V Elect 354742219 220 F 16V Elect 374726834 0 068 FT 5 50 Plastic 374724734 0 047 5926 50V Plastic 354700109 1 u F 160V Eiect 391921017 100 F 6 3V Elect 391941007 19 F 16V Elect 391921017 100 F 6 3V Elect 3504244 10000 F 63V Eiect 3504213 4700 F 35V Eiect 391941007 10 u F 16V Elect 354751029 1000 F 25 V Elect 391941007 10 16 Elect 354761019 100 F 35V Elect 354781019 100 F SOV Elect 354754719 470 F 25V Eiect Resistors 5104225 NIIRGLC250KWT22Z Balance Variable 5104230 Ni4RLCIOOKWT222 Bass Variable 5104230 NI4RLCIOOKWT22Z Treble Variable 5210261 NO6HRS5KBC Idling Semi fixed 442520824 8 20 1 2W Meral oxide film 441620824 8 212 1W Metal oxide film 4500031 0 22 11 5W Metal plate 442320824 8 2 1 1 2W Metal oxide film 441620824 8 2 0 1W Metal oxide film 442524794 0 47 Q 1 2W oxide film 441623914 390 0 1 oxide film 442522224 22k 1 1 2W oxide film 442523304 330 1 2W Metal oxide
39. memory contents are protected over a period of 3 to 4 weeks a minimum of 2 weeks after the last time power has been turned off This period is shorter when the unit is exposed to very high humidity or used in an area with an extremely humid climate 4 Safety check out Only U S A model After correcting the original service problem perform the following safety check before releasing the set to the customer Connect the insulating resistance tester between the plug of power supply cord and terminal GND on the back panel Specifications 3 3 Mohm 10 at 500V 5 Change of voltage Worldwide models are equipped with a voltage selector to conform with local power supplies This switch is located on the back panel Be sure to set this switch to match the voltage of the power supply in your area before turning the power switch on This switch is set to 220V at the factory Voltage is changed by sliding the groove in the switch with the screw driver to the right or left Confirm that the switch has been moved all the way to the right or left before turning the power switch on TX 904 906 PACKING VIEW DESCRIPTION Model 906 Model TX 904 1 129100034 29100034 350 650 5 bag 2 129052195 129052197 Master carton box 3 282320 29090 Sealing hook 1 4 29091449B j29091449B 1 5 29091448B _ 290901448B Pad 6 12654 72654 Adhesive tape 7 12910011 191071
40. 0 z F 16V Elect C661 354780109 1 F 50V Elect C662 374725624 S600pF 596 50 V Plastic C664 374721044 0 01 F 5 50V Plastic C665 354744709 47 F 16V Elect C666 C667 354784799 0 47 u F 50V Elect 668 672 374721044 0 1 u 596 50V Plastic C669 374725624 5600 5925 50 V Plastic C671 C673 391921017 100 F 6 3V Elect C674 374721044 0 1 F3 596 50V Plastic C675 375524744 0 47 F 5 50V Plastic C871 391921017 100 F 6 3V Elect Resistor R48 1 R484 5144014 N16RQL100KBT2SF Variable Volume Sockets P601a 25050446 NSCT 10P270 P602a 25050448 NSCT 14P272 P603a 25050447 NSCT 12P271 P611 2000556 NSAS 6P512 P612 2009990024 NSAS 10P0048 RI mR TERMINAL PC BOARD NADG 4191 1 1A CIRCUIT NO PART NO DESCRIPTION Q762 222780053 78L05 IC 0764 221282 DTCI44ES Transistor D Q765 Q766 221282 DTC144ES Transistors D761 D762 223163 1SS133 Diodes D764 D765 223163 1S5133 Diodes C767 354741009 10 16 capacitor C770 374724724 4700pF 5 50 Plastic capacitor P761 25045172 HSJ 1003 01 020 Terminal RI P762 25045293 HSJ 1003 01 012 Terminal mR 951 25050444 NSCT 6P268 Socket OPERATION SWITCH PC BOARD NASW 4192 1 CIRCUIT PART NO DESCRIPTION 719 25035548 NPS 111 S510 S witch 5743 5744 25035548 NPS 111 S510 Switches P702 25050456 NSCT 5P280 Socket INPUT BALANCE VOLUME PC BOARD NAETC 4193 1 CIRCUIT NO PART NO DESCRIPTION R600 5104258 NIIRGLC250KWT15Z Variable resistor TUNER CIRCUI
41. 01 0502 Q702a 27190842 LED9 27160209 RAD 67 27190843 LED1 HEADPHONE TERMINAL PC BOARD NAETC 4188 1 VOLUME AND SURROUND CIRCUIT PC BOARD NAAF 4190 1 CIRCUIT NO PART NO DESCRIPTION CIRCUIT PART NO DESCRIPTION P504 25045255 YKB21 5009 ICs Q451 22240468 LC7536 DISPLAY CIRCUIT PC BOARD NADIS 4189 1 1A 1B Q453 0454 22240247 or BA15218N or CIRCUIT NO PART NO DESCRIPTION Q601 Q605 22240293 NJM4558L D Remote Sensor Q602 22240458 NJM2175L U701 24130003 GPIUSOXS 0661 22240370 50198 FL Tube Q691 22240339 LC7823N Q701 212099 11 BT 92GK Q692 22240270 LC7822N ICs Q871 22240239 72915 0702 22240486 PD75212ACW 284 Transistors Q703 22240466 PD17103CX 531 0455 0457 2213631 RN1241 A or Q705 22240211 PD6345C Q603 Q604 2213632 RN1241 B 0706 22240341 BA6125 Diodes Transistors 451 223163 155133 0707 0709 2213284 25 17405 D661 D662 223163 188133 Q710 Q712 221282 DTC144ES D871 223163 155133 0713 2213640 DTC123JS Coil 0714 0716 2213830 DTB113ZS L661 233411K220 NCH 1387 Q715 2213510 DTAI114ES Ceramic Oscillator Diodes X661 3010169 CST3 27MGW002 701 0702 224450623 MTZ6 2C Zener Capacitors D713 D738 223163 155133 451 452 391980227 2 2 F 50V Elect D740 D742 223163 1SS133 C455 C456 354744709 47 u F 16V Elect D743 D762 224450562 MTZ5 6B Zener C457 C458 391941007 10 F 16V Elect D744 D748 223163 155133 459 460 391980227 2 2 F 50V Elect D752 D754 223163 155133 461 462 391941007 10 F 16V Elect
42. 0C X tal 3010141 XTL 7 2M Capacitors 354741019 100 F 16V Elect 354784799 0 47 u F 50V Elect 354742209 22 F 16V Elect 354741019 100 F 16V Elect 354780229 2 2 F 50V Elect 354784799 0 47 u F 50V Elect 374722234 0 022 F 5 S50V Plastic 374723334 0 033 F3 596 50V Plastic 354780229 2 2 50 354782299 0 22 F 50V Elect 354721019 100 F 6 3V Elect 354741019 100 F 16V Elect 354780479 4 7 50 Elect 354741009 10 F 16V Elect 374724134 0 047 zx FX 5 50 Plastic 374121034 0 01 5 50 354782299 0 22 F 50V Elect 354744719 470 u 16 354742209 22 F 16V Elect 354782299 0 22 F 50V Elect 354780109 1 F 50V Elect 354780339 3 3 F 50V Elect 370134714 470pF 5 100 374724134 0 047 u F3 596 50V Plastic 374721824 1800pF 5 50 Plastic D 374721224 1200pF 5 50 Plastic lt P gt 274721524 1500pF 5 50V Plastic lt W gt 354742209 22 F 16V Elect 354741009 104 F 16V Elect 374728224 8200pF 596 50 V Plastic 374726224 6200 596 50 V Plastic D 374721824 1800pF 5 50 Plastic lt P W gt TX 906 NOTE D Only 120V model lt P gt Only 230V 240V models W Only Worldwide model CIRCUIT NO C221 C222 C223 C224 C225 C226 R101 R102 R202 R201 P101 P201 PART NO Capacitors 374721034 354780229 374721024 374724734 354741009 Resistors 5210266 5210267 5210261 Termina
43. 1 STAGOW 43H10 906 1 130OW WVHOVIG DILVN3HOS t Mum gt qeu SRL its 10 5 5 L 6 LP OL3VN i mis TT Rim E mmt 5090 950 eas tg X001 5 4 e 2 eh 2 SCIES MES Rees T 7 Pee WE EL Ep EET aw Fat 92098 NOILO3S 5 906 XL T30OW Wvu5via 25 9 8 NOLLVHOdHuOO OAMXNO INSASA OBdA BOd SONYHO Ol 1237005 SI 1172510 301S ONIN 8d Pee 519 JHL 391 ONIINIUd JHL QdVOS NI 3417 XOIHL JHL e 3SIMN3HIO SS37Nn S LLVM SNHO NI 38v 590251538 TIV 55 3150 0 198 3008 OES JOLE 0 0 49 X3 OBLON SSIMYBHLO 553717 05 432 SHOLIOYGVO 11 NW 3T NI Suv GF SuOLIOvdv2 O11A10810213 QaloN SSIMSSHLO 553740 81551 OL IN3TvAInOS 38 SSOOIO TV e Qa LON 3SIMY3HLO SS37Nn N SOTPLLOSZ OL LNEIVWAINOS 35 SUOLSISNVUL NdN TY e gQaiON 361 8 10 SS3 NO H S 6VSZ Ol IN37 VAInD3 Bev SHOLSISNVHL 777 e IWNOIS ON 3Ov 7A 2 SIO H313 U 10 HLIM 9350593 e 431312395 Y3ENN HLIM 39v 1d38 AL3AVS 503 WO2llluD Ni AG 93131534391 SLNANOdGAOD JHL VL O 7 101 IMS 1 56 Lb SdVN
44. 580 16181 15 2150 ILAN lt O NN 310w3u 82 8 x 2 90 74 MOSN3S inpr FE TOHiNO2 4 3 0d 58 31013M 1460 lom 1021 d m 9 H2 M EP 20278 H2 1 345 1NON4 a on a 10278 1086 1119819 31v9 46v0 mnt NIZ842 1H211MS 8050 lt 2 u344ng coco voizciadd HOSS320UdOYDIN 2020 POLE 2 34 1 2 3 BEEF 4 3 234 9 434408 toro t 2d VL 238 BERI LE ILS SAMOA TAINS N Z8427H211AS SOTVNY 60 0 city 2Ory CALE 8 1670 O6 XL TSGOWN 11 S1VNIMNH3L NOIL23S dum H334v3dS et NOIL23S TOYLNOD d AV 389 NOIIO2JS mon om B vivo 11 10M1NO2 dS 1680 ELI zju v e 1 4 zlzlols EC Sm 9 u E 56 7201 522 ele o x 20 23 Gams 55 RAS Blows Sm N NaN On gt od e Om Oji 4 N N 2 Dm Nam ANC 9 gt z 9 2
45. 74724734 354700109 391921017 391941007 391921017 3504245 3504213 391941007 354751029 391941007 354761019 354781019 354754719 Resistors 5104225 5104230 5104230 5210261 442520824 441620824 4500031 442520824 441620824 442524794 441623914 442522224 442523304 441721804 441721514 442524704 442523314 442522204 Relaies 25065396 25065339 Terminals 25045300 25060159 Plugs 25055502 25055583 25055493 25055496 25055500 DESCRIPTION 47 u F 16V Elect 330pF 595 125 V Plasuc lt P W gt 330pF 5 125 V Plastic 10 x F 16V Elect 47 u F 16V Elect 0 015 FX 596 50V Plastic 0 015 F 5 50V Plastic 0 1 FES SOV Plastic 1000 5 50V Piastic 10 4 F 16V Elect 10 F 16V Elect 10 u F 16V Elect 220 F 16V Elect 0 068 u 596 50 V Plastic 0 047 u 5 50 Plastic 1 u F 160V Elect 100 F 6 3V Elect 10 F 16V Elect 100 F 6 3V Elect 8200 u F 50V Elect 4700 F 35V Elect 10 F 16V Elect 1000 F 25V Elect 10 F 16V Elect 100 F 35V Elect 100 F 50V Elect 470 F 25V Elect NIIRGLC250KWT22Z Balance Variable NIARLCIOOKWT22Z Bass Variable NIARLC1OO0KWT22Z Treble Variable NO6HRS5KBC Idling Semi fixed 8 20 1 2W Metal oxide film 8 2 0 1W Metal oxide film 0 22 1 5 W Metal plate 8 200 1 2W Metal oxide film 8 26 1W Metal oxide film 0 47 1 1 2W Metal oxide film 390 1 1W Metal oxide film 2 2k 1 2W Metal oxide film
46. 755080MHz 5 Saudi Arabia AM band setting AMIOK REGION FREQUENCY SPACE 0 Saudi Arabia _ 531 1602kHz kHz 0 Ewop 522 161kHz kHz 13 26 27 DATA FM band setting _ 0 76 0 90 0MHz 100kHz TX 904 906 bol gt Connect to the terminal CE of analogue switches and terminal CE of electro volume LED indicator control output terminal bo Ne 30 Ceramic oscillator connection terminal for main system clock Connect to the 4 19MHz ceramic oscillator t GE on pZ Ground terminal bh Ceramic oscillator connection terminal for sub system clock Not used Audio muting output terminal when input selector change over ii 2 36 2 3 SIM muting output terminal when input selector change over Tuner muting output terminal H when active Connect to the terminal of digital delay Reset input terminal L when active 8 39 Q MODE SET gt e p 41 J 5 u 4 CA e 9 Digit output terminals H when active 6 gt ME 48 LA iol r3 m Segment output terminals H when active Un tA CA Un CA LA RI Pull down resistor connection terminal of FIP controller driver Power supply terminal of output buffer of FIP controller
47. 88 p1eoq od puru YAY 1 161 OOVN Asse preoq od punouns pue 4 06 A sse od Aepdsiq at 6gte SII VN lt O d gt sse preoq 24 amono ejdsi yT 681Y SIAVN lt gt ssx pieoq od 6817 sse p1e0q od guru euoudpeadH 8815 2 18 VN O M d 4 558 proq od 1 Jamod 10199 9 Y 81p H V VN lt gt Asse prog od 12 4 Jamod pus 10122 9S 815 V VN lt 0 gt Jauuojsuen Jamog OOI I I LdN lt M gt JSULUOJSUVH 1304 OCI0IIT LAN Y lt d gt 0440111 14 lt q gt JUHOJSUER J9MOd CIOIT L LAN WV SIOISISUBN 19M04 O 9 SIVST JO Y 9IST VS d VSZ A C6v1 V SC O T I YST SIOISISUBN 44 06 2057 10 Y LO6EIST 459686256 A 968 0SC O 9S8EDSZ lt O gt 1epno DW ELTdZ LOSN vin cin Tin p1oo A ddns 1240d V V S SV lt M gt Ajddns Jo oq 7 d30 SV lt d gt Ajddns qp p109 991 8T 9 ON Sv V euruum 91929 HT OLOTOE 1 HON lt O M d gt 6n asny X V3I HS V6 en lt gt osnj 9 156 V9 Ln d asn apno OY 5 NOI LdlHOS3Q L 16SPicvl dI 68SePZCVI VI 68SvLCVIl VI L8SVLCVI 6990055 8990056 990055 9990055 9CCOCC 10
48. 8M12 79M12 78M56 2SK246 GR RN1241 A or RN1241 B 114 5 2SC1740S R 25 4468 25 4468 25 4468 28C3182N R 2SC3182N O 2541695 0 2SA1695 Y 2541695 2SA1265N R 28A1265N O 2SC1845 F or 2SC1845 E 2SA992 F or 2SA992 E DTC144ES DTA114ES DTB113ZS 2SA933S R 155133 155133 MTZS 1B Zener 155133 RBV602 RBA402 SR139 100 MTZ9 1C Zener ISR139 100 MTZ27D Zener 155123 185133 5 1 3 220pF 590 125 V Plastic lt P W gt 2 2 F 50V Elect 1000PF 5 125V Plastic lt P W gt 100 F 6 3V Elect 6200pF 5 50V Plastic 1800pF 5 50V Plastic 10 u F 16V Elect 69 CIRCUIT 315 316 317 318 C391 C392 C401 C402 C403 C404 C405 C406 C409 C410 413 416 417 420 C441 C442 C491 C492 C501 C502 C507 C508 C513 C514 C515 C516 C517 C520 C533 C801 C802 C851 C905 C906 C909 C910 C913 C914 C915 C917 C918 C919 C92 R393 R407 R408 R413 R414 R509 R510 R515 R516 R517 R518 R519 R520 R521 R522 R523 R524 R525 R528 R529 R530 R531 R532 R903 R906 R907 R908 R911 R912 RL501 RL502 P301 P303 P501 P201 P49 511 512 601 602 Replacement for transistor of mark if necessary must be made from the same beta group HFE as the original type PART NO Capacitors 354744709 373303314 373303314 391941007 354744709 374721534 374721534 374721044 374721024 391941007 391941007 391941007 354742219 374726834 3
49. 9LTVI oin 91489 1814 0 1020 2 10390 0105081705 lt gt sse od 1201 6 HC vP6S9LCVT D A d lt O d gt Asse preoq od 1210 jeunpvz p6lt 3H VN VCV6S9LCV T asny Arepuosog yva gs vs V 8LOCSC lt q gt Asse od 1241 5 61 C v6S9LCVI 6n lt q gt snj KmpuoooS 9 1S V9 15052 Asse preoq od qois uonviodO 7 Z6lt MS YN 2 2659 0 1 Ln d esnj NNO OW AVA AS VS c Y SLOTST NOILdIH9S3q ON 1HVd ON dau NOlLdlHOS3G 1HVd oft gn cn In 1061 8050 060 90 050 lt 0 064064 1064 1041 6064 064 064 3438 O M d 5 61 AQ asny Lieung 9 LS v9 qv 981 41 lt O M d gt Jooeds uorysno 827 YNOL 90474 JIN YIOA yorg awed realy 9155 3uiddei jos 5g a 8d LLE y de pug des pug 558 poued 10014 1881 5103 mans Sutddej 3 os Ot d8 S LLE pued UOTUSN uoigsn 9125 Suiddvi jros 5g g8 S L1E 19402 858 1949814 1001 ueq Og N H9 d 9155 peau ueq Og N dGI dE Marios Suiddvei Jos 9 ALLLE 49198 Sutddei j os Og o8S OLLv 4315s Sutddey jas Og dO LI SLLE 9155 Sutddvi J os Og d8 d LLE mas Sutddei Jos 2g g8 S LLE M919S Suidde suas BPIOH STI STON JeploH L 48T S 1OM V yorig 1952219 HS 19429219 lt gt pued yorg M
50. EREO sourcepirect 1 1111111111111 Sm Frame of VIDEO 2 ILEVELI SLEEP m m m m m egg ba r so sourceo ______ l L Sp Fame or source HMLEVELS aman 2 22 TX 904 906 Q703 uPD17103CX 531 Remote Control Decoder 0701 Preamp Q703 Decoder 0715 Transmitter 727 Buffer Infrared GPIU5SOXS Line 05 1 GND OSC2 POB2 STAND BY RESET RECEIVE REMOTE IN PODO POBO VOL IND PH SENS PODI POC3 VOL UP POWER POD2 POC2 VOL DOWN SYS IN POD3 POCI PLAYER VDD POCO SYS OUT Pin No Symbol osci 056 2 OSC2 3 RES RESET Svstem reset terminal Active low REMOTE TN PODI PHONO SENES Phono detection input terminal Active low or POWER Stand by detection input terminal During low input only the POWER code is decoded 2255 SYS IN System code input terminal 28 B_ Power supply terminal e SYS OUT Output at this terminal are the custom code 160115 remote control code input to REMOTE IN data code 8bits and the serial code 12bits that has been converted corresponding to the decoded data code 85115 PLAYER J When the player PLAY REEJECT is input a high pulse of 200ms is output When the volume DOWN code is input a high pulse of 120ms is output When the volume UP code is input a high pulse of 120ms is output 13 During the output of VOLUME UP DOWN a p
51. EROFF TX 906 0692 1 0 1 1 HALL SIM TEST TESTA TESTB 18 TX 904 906 Q309 0691 LC7823N Analogue switch SE b DRI L2 9 1 r gt LCOMI RCOMI ST B R3 49 9 4 Ha D R4 LCOM2 D RCOMZ LS 5 ES R5 road L6 st T 9 RG LCOM3 Q RCOM3 4 P R7 D RCOM4 LEVEL SHIFT 5 o i e Vtt LATCH d H T RES SHIFT REGISTER 2 0309 Pin No Description TAPE 1 REC jRecording output terminals Control the VIDEO 2 OUT analogue switch at the serial data terminal 15 L all analog switches 18 5 Reset terminal When power is turned are off on the condition of the analog switch 19 VDD Power supply terminal 15 20 is not detrmined but when this Input output terminals of audio signal of left channel when surround mode Control the inside analogue switch at the serial data Negative power supply terminal 15 13 Chip enable terminal Connect the terminal SEL of microprocessor Input output terminals of audio signal of right channel when surround mode Control to the inside analogue switch at the serial data Recording output terminals Controi the 14 Serial data input terminal Connect the terminal DATA of microprocessor 15 Serial clo
52. F 50V Elect lt W gt C119 354782299 0 22 F 50V Elect Relay C123 354721019 1004 F 6 3V Elect RL901 25065248 ANRL 1P15A DC12 29 C124 354741019 100 F 16V Elect Fuses C154 354780479 4 7 F 50V Elect F901 252051 6A ST 6 Primary lt D W gt C155 C157 354741009 10 u F 16V Elect F902 252076 A 3 15A SE EAK Primary C159 374724734 0 047 F 5 50V Plastic P W Q C160 374721034 0 01 x F 5 50V Plastic F903 252075 2 5A SE EAK AC outlet lt P gt C161 354782299 0 22 F 50V Elect Fuseholders C201 354744719 470 F 16V Elect F901a 250113 55051 lt D W gt C202 354742209 22 F 16V Elect F902a 25050065 5 403 lt gt 205 354782299 0 22 F 50V Elect F903a 25050065 YSH403T lt P gt C206 354780109 1 F 50V Elect 71 NOTE D Only 120V model P Only 230V 240V models lt W gt Only Worldwide model CIRCUIT NO PARTNO DESCRIPTION Plug P951 25055497 NPLG 6P472 VIDEO AND SUB AMPLIFIER PC BOARD NAAF 4196 2 2A CIRCUIT NO PART NO DESCRIPTION ICs Q251 22240373 BA7625 0571 0572 22240467 51 18751 Transistors Q252 Q253 2213354 2SA933S R Q573 Q574 2211732 or 2SC1845 F or 2211733 25 1845 Diodes D251 223163 188133 D253 D254 223163 155133 D506 223163 155133 D571 D572 223163 158133 Coils L571 L572 231176 S 1 3C Capacitors C251 C252 391980227 2 2 F 50V Elect C253 C254 354724719 470 F 6 3V Elect C255 391921017 100 F 6 3V Elect C571 C572 391941007 10 u F 16V Elect
53. HE COMPONENTS IDENTIFIED BY MARK A ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK REPLACE ONLY WITH PART NUMBER SPECIFIED VIDEO AND REAR AMPLIFIER PC BOARD NAAF 4196 1 1A CIRCUIT PART NO Q251 Q571 Q572 Q881 Q252 Q253 Q573 Q574 0882 0883 D251 D253 D254 D505 0506 571 0574 L571 L572 C251 C252 C253 C254 C255 C571 C572 C577 C578 C581 C582 C591 C592 C593 C881 C886 R581 R582 R583 R584 RL505 RL506 P251 P502 P506 P612a JL251 571 JL572 ICs 22240373 22240467 22240247 Transistors 2213354 2211732 or 2211733 2213631 or 2213632 2213510 Diodes 223163 223163 223163 223163 Coils 231176 Capacitors 391980227 354724719 391921017 391941007 354741019 374724134 391980227 354781099 391941007 Resistors 442520824 4000059 Relaies 25065339 Terminals 25045339 25060161 25045302 Plug 25055135 Sockets 25050273 25050272 25050267 DESCRIPTION BA7625 51 18751 BA15218N 2SA933S R 28 1845 or 2SC1845 E RN1241 A or RN1241 B DTAI114ES 155133 155133 155133 158133 5 1 3 2 2 u F 50V Elect 470 F 6 3V Elect 100 x F 6 3V Elect 10 u F 16V Elect 100 F 16V Elect 0 047 F 5 50V Plastic 2 2 F 50V Elect 0 1 F 50V Elect 10 u F 16V Elect 8 20 1 2W Metal oxide film 0 22 1 2W Metal plate NRL 2P5A DC24 046 NPJ 4PDYE190 Video out NTM 4PDML087 Rear speaker NPJ 1PDBL161 Center preout 5 119 NSCT 9P101 NSC
54. L Dolby Pro Logic Decoder 2 51 50 9 7 5 3 1 0 5 NC Nc z gt 15 12 pr REF OPERATION AND MODIFIED CENTER MODE CONTROL es mms mme N COMBINING NETWORK Q602 NUM2175L 8 21 1222 mm gar CONSTANT H 2 lt gt 1 VLR BUFFER BPF GND NC NC NC L Rt NC NC NC 5 5 6 7 8 9 10 11 12 15 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Q661 M50198P Digital Delay ONS ONY 739 550 ONS 9190 3WIL 03471730 170 72650 gt lt el j X93 27139 9 vivaas s 13a no _ Symbol Function 1 DIGGND Power supply terminal of digital section Connect the 3 27 2 ceramic oscillator or external clock 4 DELIREQ Terminal DEL when the easy mode Terminal REQ when the microprocessor Terminal DEL2 when the easy mode Terminal SECK when the microprocessor 6 DEL3 SEDATA Terminal DEL3 when the easy mode Terminal SEDATA when the microprocessor DELA COM EASY mode control terminal Microprocessor or easy mode changeover terminal Manual muting control terminal MUTE TIME DIG GND ANG GND LPF2 OUT LPF2 IN OP2 OUT OP2 IN C CC EF OUT LPF1 OUT LPF1 IN ANG VCC Auto muting ti me changeover terminal Digital ground 12 13 Analog ground C
55. LO3NNOO STSGOW d3HlO 906 1 13GON WVHOVIG OILVN3IHOS CH T gt 7 3 3 2 V O6Lv 4dvvN 1 6 Lv OL3VN OLLVHOdHuoO L8 LF N YN OL OL EET ANC ae S3 9 6 Wis 05 ONOHd E 8dVl O8GdIA 0301A 85005 1600 288 2467 LLST f TEC MUR E o gp i ii op 15 EM ET n WIF DIY prr ert Las guo dildissvio 3A Gorges TY qoo 5 Lx BLN QI WF Sosa 3494 niyi sumirads Lane ah CR EC c PR Fd CU EEE tg Sonar serene ees 05 3 OL MOZE LE LL t 56 OL z 1 o ju 3 5 N 291050794 50292 8 1520 1 JOLI NON i 192d 1 i NI ZO30IA ONOHd da 7 6 210 4 i 1 0 ad AL j as oe eee eee E NI LOSGIA oe 1Z0Zd o IDEM COEM CMM NNNM a 02915 Mia 790 3 1 JN 7705 248 2571 1 4 ame Lr reote dm Lt 6 LS 29 E WE E 91 9 6S0
56. ONKYO FRANCE S A R L Immeuble Le DIAMANT Domaine Technologique De Sactay 4 rue Rene Razel 91892 SACLAY FRANCE Tel 1 69 41 35 10 Fax 1 69 41 35 84 A 104 74 Printed Japan
57. Overload Frequency Response RIAA Deviation Tone Control Signal to Noise Ratio Muting TX 906 Stereo mode 80 watts per channel min RMS at 8 ohms both channels driven from 20Hz to 20 000Hz with no more than 0 0896 total harmonic distortion Surround Simul mode 75 watts per channel min RMS at 8 ohms both channels driven from 20Hz to 20 000Hz with no more than 0 08 total harmonic distortion FRONT 12 watts per channel min RMS at 8 ohms 1 000Hz with no more than 0 8 total harmonic distortion REAR or REMOTE 0 0896 at rated power FRONT 0 0896 at rated power FRONT 60 at 8 ohms FRONT Phono 2 5mV 50 kohms CD Tape Play 150mV 50 kohms Tape Rec 150mV 2 2 kohms Pre out REAR 1V 2 2 kohms Pre out CENTER 1V 2 2 kohms 120mV RMS at 1 000 Hz 0 08 THD 20 to 30 000 Hz 1 dB 20 to 20 000 Hz 0 8 BASS 10 dB at 100 Hz TREBLE 10 dB at 10 000 Hz PHONO 80 dB 5mV input CD TAPE 100 dB IHF A codB TX 904 906 TX 904 Stereo mode 60 watts per channel min RMS at 8 ohms both channels driven from 20Hz to 20 000Hz with no more than 0 0896 total harmonic distortion Simul mode 55 watts per channel min RMS at 8 ohms both channels driven from 20Hz to 20 000Hz with no more than 0 0896 total harmonic distortion FRONT 12 watts per channel min RMS at 8 ohms 1 000Hz with no more than 0 896 total harmonic distortion REMOTE 0 0896 at rated power FRONT
58. RF 4194 2 2A 2B CIRCUIT NO PART NO DESCRIPTION CIRCUIT NO PART NO DESCRIPTION Capacitors Front end C207 354780339 3 3 u F 50V Elect TU001 240088 FE337 A07 lt D gt C208 370134714 470pF 595 100 V Plastic 240089 FE415 G11 lt P W gt C209 374724734 0 047 F 5 50V Plastic ICs C211 C212 374721824 1800 5945 50 V Plastic D Q104 22240039 LA1266 374721224 1200 545 50 V Plastic lt P gt Q107 22240090 LM7001 274721524 1500pF 5 50V Plastic lt W gt Q201 22240242 AN7470 C213 C214 354742209 22 F 16V Elect Q208 22240247 or BA15218N or C215 C216 254741009 104 F 16V Elect 22240293 NJM4558L D C219 C220 374726224 6200pF 5 50V Plastic D Transistors 374721824 1800 5 50V Piastic lt P W gt Q101 2210746 2SC945A P lt P W gt C221 374721034 0 01 u F 5 50V Plastic Q102 2211723 28 1923 C222 354780229 2 2 F 50V Elect Q103 2213284 25 17405 C223 374721024 1000pF 545 50 V Plastic D Q105 2212445 2SK365 GR C224 374724734 0 047 F 5 50V Plastic Q106 2213284 2SC1740S R C225 C226 354741009 104 F 16V Elect Q108 Q109 2213510 DTAII4ES Resistors Q202 2211945 2SK246 GR R101 5210266 NO6HR100KBC Semi fixed 0205 0206 2212794 2SD1468 R R102 R202 5210267 NO6HR200KBC Semi fixed Q207 2213510 DTA114ES R201 5210261 NO6HR5KBC Semi fixed Diodes Terminal D101 D102 223132 1K60 P101 25060160 NTM 4PDMN086 D D103 224450512 25 1 2 25060087 NTM 2PDMN31 P W D201 D202 223163 155132 Socket D205 D207 223163 1551323
59. SS999Y gdl doo WY uor1oeuuoo 3081113511 NV gUUS1UP 1 7 0 53519088 2181 NY od 1231210 941 319310 INY WY u2 9 93 1 OA jo 10132111 109 japow dais 2446 u tpo9 28066 9650 ZHO0F 7H 4066 1617 49 19 34 09 uo 2H3 09 240 HOOP 109 44 H9009 21109 zH3009 1517 32014 44 J919Un Oo uo Jd 192 550 1utod 201821 Asuanb31 10 jusunsn py indinO Juun 7HIAT 66 AQz D GPOL JEPSE ZHAI 66 pow 12uWotgpret JHPC61 ZHIJAT 66 potu AOTP BPTI ECL cg Sunny 66 1212ul1O0 DY 4 puuey DV uey 55971 u gps9 uey 552 1 AvOFS L 2 2091 s apow puppi ATOTEI ZHAIES AbOTS LZHATOI ovzoez APOICITHNZCS 0 012 0111 ASOFT I ZHAO IBEO pauni WY 0708 0 91 ZHWO00 801 ZHIAS 8 389 psum WA 1008911524 3231315 dois omy AUOTCUD zH 2C 7H0t indino OS WY dais uonoes WY JRUSIS 1919104 Dy 7 3uugu 8 09 1gpc9 ZHINT 66 uone1edos PUB WNWIXEN uoueird2s 03131S coca
60. Specifications and features are subject to change without notice EXPLODED VIEW MODEL TX 906 906 1914312945 W38IACQN LYVd A9V Id44 MOOHS ORLLOTT3 ANV JO ASTY TVOLLISO quv WV HAVN SLNHNOdWOO AHL Aopz 110 lt 0 gt ATUO lt M gt 1062 4110 lt 4 gt 4100 lt Asse preog od jeuruua 1922 19 1 sse od moard re24 1 66T 7 218 VN 1 66SPLT7V1 O M d Asse od 1a1jrjdure pue ooptA VT 961p HVVN WI Q6SPLTVI T Asse od seas pue OoprA 06 p IV VN U966bLZVI lt gt Asse od Ayddns 124040 5I C615 Sd VN OL S6StPLCVI M Asse od mono Ajddns 1240d gI C61tb Sd VN 81665 201 d Asse od Ajddns 1240q VT C61t Sd VN VUS6SPLCVI lt gt Asse 1 566 667 1 VI v6SvLCVI od A ddns 1240d C6Tt SI VN A 5558 preog od unono reun g p6T p Tel VN O d K sse od RUN VT p6Tp DH VN lt gt sse preog od Joun 9 T p6T p TH VN I P6SPLCVI sse pivog 24 eum oa o2ue eq 1ndu T C6Tp O LH VN 1 6 Asse od yams uongiado 1 61 7 ASWN L Z6SPLZVI NOILdIH2S3Q ON LuVd ON 134 lt O M d gt Asse od FUI AWIN VI 161 OGVN lt q gt 5 5
61. T 8P100 NSCT 3P95 REAR PREOUT PC BOARD NAETC 4199 1 CIRCUIT NO PART NO P505 25045307 DESCRIPTION NPJ 2PDBL 166 Rear preout terminal PRINTED CIRCUIT BOARD PARTS LIST MODEL TX 904 SELECTOR AND POWER AMPLIFIER PC BOARD NAAF 4187 2 2A CIRCUIT NO Q301 Q302 Q306 Q307 Q308 Q309 Q401 0402 Q501 Q502 Q801 Q851 Q901 Q902 Q903 0403 0406 0491 0494 0496 0497 Q503 0504 Q505 0506 Q507 Q508 Q531 Q534 Q561 Q861 Q905 Q862 Q904 Q906 D401 D404 D501 D502 D561 D851 D905 D901 D903 D904 D906 D907 D908 D909 D910 D911 D912 D991 D994 L501 L502 C301 C302 C303 C304 C305 C306 C307 C308 C309 C310 C311 C312 C313 C314 PART NO ICs 22240191 22240247 22240270 22240280 22240339 22240247 or 22240293 22240311 22240247 22240211 222780122NEC 222790125 222780565JRC Transistors 2211945 2213631 or 2213632 2213510 2213284 2202523 2202524 2202526 2202292 or 2202293 2202513 2202514 2202516 2202282 or 2202283 2211732 or 2211733 2211792 or 2211793 221282 2213510 2213830 2213354 Diodes 223163 223163 224450512 223163 22380038 22380048 22380032 224450913 22380032 224452704 223163 223163 Coils 231176 Capacitors 373302214 391980227 373301024 391921017 374726224 374721824 391941007 5 DESCRIPTION NJMA4565D D BA15218N LC7822N LC7821N LC7823N BA15218N or NJMASS8L D PC1298V BA15218N PD6345C 7
62. T PC BOARD NARF 4194 1 1A 1B CIRCUIT NO PART NO DESCRIPTION Front End TUOOI 240088 FE337 A07 D 240089 FE415 G11 P W ICs Q104 22240039 LA1266 Q107 22240090 LM7001 0201 22240242 7470 0208 22240247 or BA15218N or 22240293 NJMASSSL D 67 NOTE THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK REPLACE ONLY WITH PART NUMBER SPECIFIED CIRCUIT PART NO Q101 Q102 Q103 Q105 Q106 Q108 Q109 0202 0204 0205 0206 0207 101 0102 D103 D201 D207 L101 L102 L103 L104 L151 L152 L201 L202 101 102 103 151 152 104 001 106 107 108 112 C113 C116 C117 C118 C119 C123 C124 C154 C155 C157 C159 C160 C161 C201 C202 C205 C206 C207 C208 C209 C211 C212 C213 C214 C215 C216 217 218 C219 C220 DESCRIPTION Transistors 2210746 25 945 lt P W gt 2211723 28C1923 O 2213284 2SC1740S R 2212445 2SK365 GR 2213284 25 17405 2213510 114 2211945 2SK246 GR 2212794 2SD1468 R 2213510 DTAII4ES Diodes 223132 1K60 224450512 MTZ5 1B Zener 223163 155133 Coils and Transformers 233401 NFIF 4072 IFT 233402 NFIF 4073 IFT 233411M022 NCH 1375 233383 6070 lt P W gt 232148 NMRF 7050 AM RF block 232139 NMIF 4062 IFT 233355A 4059 Ceramic Filters 3010071 5 10 7 5 3010071 SFE10 7MAS lt P W gt 3010071 SFE10 7MAS D 3010130 SFE10 7MZ2 P W 3010123 SFZ 450JL 3010076 BFU 45
63. VYN OL NOILOAS TSGOW O6 XL TSGOW WvHoVvia 2ILVN3HOS 3752 071 570 INNIS LL80 TH T E LL C L8 OL NOLLO3S 57300 H3HLlO O6 XL TSQOW 9ILVN3HOS 64 PRINTED CIRCUIT BOARD PARTS LIST MODEL TX 906 SELECTOR AND POWER AMPLIFIER PC BOARD NAAF 4187 1 1A CIRCUIT NO Q301 0302 0306 0307 0308 0309 Q401 0402 501 0502 0801 0851 0901 0902 0903 0403 0406 0491 0495 0496 0498 0503 0504 Q505 0506 Q507 0508 Q531 Q534 Q561 Q861 Q905 Q862 Q904 0906 2401 2404 2491 0493 0501 0502 0561 0851 0905 D901 D903 D904 D906 D907 D908 D909 D910 D911 D912 D991 D994 L501 L502 C301 C302 C303 C304 C305 C306 C307 C308 C309 C310 C311 C312 C313 C314 PART NO ICs 22240191 22240247 22240270 22240280 22240339 22240247 or 22240293 22240311 22240247 22240211 222780122NEC 222790125 222780565JRC Transistors 2211945 2213631 or 2213632 2213510 2213284 2201653 2201654 2201655 2202272 or 2202273 2201663 2201664 2201665 2202262 or 2202263 2211732 or 2211733 2211792 or 2211793 221282 2213510 2213830 2213354 Diodes 2231163 223163 223163 224450512 223163 22380038 22380048 22380032 224450913 22380032 224452704 223163 223163 Coils 231176 Capacitors 373302214 391980227 373301024 391921017
64. ck input terminal Connect the 29 terminal CLOCK of microprocessor 30 17 18 RES Reset terminal When power is turned on the condition of the analog switch is not detrmined but when this terminal iS L all analog switches are off 19 VDD Power supply terminal 15 20 21 Description Input output terminals of audio signal of left channel when surround mode Control the inside analogue switch at the serial data Chip enable terminal Connect the terminal SEL of microprocessor Serial data input terminal Connect the terminal DATA of microprocessor Serial clock input terminal Connect the terminal CLOCK of microprocessor Control to the inside analogue switch at the serial data 19 TX 904 906 Q451 LC7536 Electro Volume L idB OUT R idB OUT R Id B IN R 5dB OUT H o z e d c a L o SHIFT REGISTER CLo EL LATCH 3 Terminal for loudness 18 DI Serial data input terminal L 5dB OUT dB step attenuator ou put terminal Power supply terminal Select terminal of address code during data format Terminal for loudness Power supplv terminal Power supply terminal Q501 Q502 4 PC1298V Power Amplifier Driver o 3 O RIO R9 02 01 PROTECTION CIRCUIT 12 2 O 07 R2 20 TX 904 906 Q602 NJM2175
65. film 441721804 18 1 2W Metal oxide film 441721514 1509 2W Metal oxide film 442524704 47 1 1 2W Metal oxide film 442523314 330 1 1 2W Metal oxide film 442522204 22 0 1 2W Metal oxide film Relaies 25065396 NRL 2P1 25A DC24 067 25065339 NRL 2P5A DC24 046 Terminals 25045300 NPJ 6PDBL 159 Input output 25060159 NTM 8PDMNODOSS Speaker Plugs 25055502 NPLG 16P477 25055583 NPLG 7P554 25055493 NPLG 2P468 25055499 NPLG 10P474 25055501 NPLG 14P476 TX 906 NOTE THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC NOTE D Only 120V model lt P gt Only 230V 240V models SHOCK REPLACE ONLY WITH PART NUMBER W Only Worldwide model SPECIFIED CIRCUIT NO PART NO DESCRIPTION CIRCUIT NO PART NO DESCRIPTION Plug Capacitors P603 25055500 NPLG 12P475 C710 C715 354780109 1 u F S0V Elect Clamp C711 353721019 100 F 6 3V Elect 991 260224 15 Resistor Socket R742 49163104406 100k Q X 6 1 10W Network JL701a 25050610 NSCT 30P421 Switches Fuseholders 5701 5703 25035548 NPS 111 S510 F904a F905a 250113 a S N5051 lt D gt 5705 8718 25035548 NPS 111 S510 25050065 YSH403T P W 5721 5742 25035548 5 111 5510 Fuses S746 25065286 NSS 22112 Band lt W gt F904 F905 252051 GA ST 6 Secondary D Plug 252078 5A SE EAK Secondary lt P W gt P702b 25055512 NPLG 5P487 Fuse Rating Labels Socket F904b F905b 29360419 TSA 250V P W JL701b 25050576 NSCT 30P387 Radiator Holders 27160262 Q5
66. l 25060160 25060087 Socket 25050449 DESCRIPTION 0 01 u F 5 50V Plastic 2 2 F 50V Elect 1000 596 50 V Plastic D 0 047 u F3 5 50 Plastic 10 F 16V Elect NO6HR100KBC Semi fixed NO6HR200KBC Semi fixed NO6HRSKBC Semi fixed NTM 4PDMN086 D NTM 2PDMN31 lt P W gt NSCT 16P273 POWER SUPPLY CIRCUIT PC BOARD NAPS 4195 1 1A 1B 1C CIRCUIT NO Q951 Q952 D951 D954 D955 D995 D996 T902 C901 C952 R901 R951 P902 5901 RL901 F901 F902 F903 F901a F902a F903a P951 PART NO Transistors 221282 2213650 Diodes 22380032 223163 223163 DESCRIPTION DTC144ES DTD113ZS 1SR139 100 155133 155133 Power transformer 2300670 2300671 2300672 2300673 Capacitors 3500065 354761019 Resistors 431523355 442520824 AC outlet 25050409 25050640 Switch 25065437 Relay 25065248 Fuses 252051 252076 252075 Fuseholders 250113 25050065 25050065 Plug 25055497 A NPT 1111D D 1111 lt gt A NPT 1111DG W A NPT 1111Q lt Q gt A DE7150FZ103PAC400V 125V IS 100 F 35V Elect 3 33M0 12W Solid D 8 20 1 2W Metal oxide film A NSCT 4P234 D A NSCT 4P451 lt P W gt NSS 22157P Voltage selector W NRL 1P15A DC12 29 6A ST 6 Primary D W 3 15A SE EAK Primary P W Q 2 5A SE EAK AC outlet lt P gt YSH403T P W Q SN5051 lt D W gt YSH403T lt P gt NPLG 6P472 68 NOTE T
67. onnect the secondary low pass filter between pins 13 amp 14 15 Operation amplifier output terminal Operation amplifier input terminal Current control Current control Reference voltage 2 5V be 20 21 22 23 24 Opcration amplifier input terminal Operation amplifier outout terminal Connect the low pass filter between pins 22 and 23 Power supply terminal of analog section 21 904 906 0701 11 2 Fluorescent Indicator Tube 10G 9G REMOTE C Yme gt 1 002 2 MONITOR PRESET MEMORY SLEEP AUDIO MUTING CENTEROFF SURROUND MODE DOLBY HALL SELECTIVE TONE 1 SOURCE DIRECT CLA 8 JG 66 50 40 736 STEREO 0 1 2 3 36 pup A A Bd BAN AN aB nf REC SOURCE veo J unen PRON amp P pD DIO D9 Sa MIN SPEAKERS VIDEOPRESET a a a j a a aj a a Sb mSEC MAN 1 sa 488 AUDIOMUTNG TAPE2MONTOR d d d d d dp SIMULSOURCE CENTER OFF SURROUNDMODE e e ej ej FrameofCD FMMUTE porey FrameofTUNER OFF SELECTIVETONE h Un Cn gt g f h h h h h h h h Frame of TAPE 2 ST
68. p Z8LO 1530 L NZZOL91 L0gO fie mm SESL2 1 SYO gt o 959 ES M a M 2 9 Lao 15 M Le 3 z A lt Me l alOW3udS vds 056 in 09 LO9d NIVWHOIO3313S 1ndNI 34 4d HOSS390HdOH9IN 40 WVHOVIG NOLLO3NNOO TAGOW 906 1 18800 9ILVW3HOS 3 3 2 g V 3WQOA 9330380230 2190 O d 0617 mms A o Guam MM AP EEE UR MEME UM MUERE SS SS ME EEE 5 EY SS UM NOLLVHOdHOO OAXNO 4 olo O DLL amp E i rac Ur cd 4 13 NOS WAIS t AdVL b 3dVLl 2 0391 1 O3Q01 3900 LNO 4 IP RR Roue wer MESURES IRE RERIN ET up alg rt Hose 298 Dre ply HH Ec UDF T LUST DT T OL Y E A 9314155915 103410 352005 49315 BNOL dAl1O3 aS 5 1450 NgINSO IW QJ onv i L13S3Hd 5011 5 L osana uyay NI suaxyadsi bo er a Din cA o icr Be S UD MEA 06 90 026 19 11 56 7 5 4 OL A
69. t CENTER 1V 2 2 kohms 120mV RMS at 1 000 Hz 0 08 THD 20 to 30 000 Hz 1 dB 20 to 20 000 Hz 0 8 dB BASS 10 dB at 100 Hz TREBLE 10 dB at 10 000 Hz PHONO 80 dB IHF A 5mV input CD TAPE 100 dB IHF A co dB TX 904 Stereo mode 60 watts per channel min RMS at 8 ohms both channels driven from 20Hz to 20 000Hz with no more than 0 0876 total harmonic distortion 2 x 160 watts at 4 ohms 1 kHz DIN 2 x 100 watts at 8 ohms 1 kHz DIN 2 x 90 watts at 4 ohms 1 kHz DIN 2 x 70 watts at 8 ohms 1 kHz DIN Simul mode 55 watts per channel min RMS at 8 ohms both channeis driven from 20Hz to 20 000Hz with no more than 0 08 total harmonic distortion FRONT 12 watts per channel min RMS at 8 ohms 1 000Hz with no more than 0 896 total harmonic distortion REMOTE 0 0896 at rated power FRONT 0 0896 at rated power FRONT 60 at 8 ohms FRONT Phono 2 5mV 50 kohms CD Tape Play 150mV 50 kohms Tape Rec 150mV 2 2 kohms 120mV RMS at 1 000 Hz 0 0896 THD 20 to 30 000 Hz 1 dB 20 to 20 000 Hz 0 8 dB BASS 10 dB at 100 Hz TREBLE 10 dB at 10 000 Hz PHONO 80 dB IHF A 5mV input CD TAPE 100 dB IHF A dB VIDEO SECTION TX 906 904 Signal sensitivity and impedance VDP VCR normal input output 1 75 ohms TUNER SECTION FM Tuning Range Usable Sensitivity 50dB Quieting Sensitivity Capture Ratio Image Rejection Ratio IF Rejection Ratio
70. uin uiui 7HO1 ZHI6I COLT Jez eue 5 2081 uey 1 104 pua quod aui uo 1 41 HP09 JHPS9 pow ZHNI 66 1012019 021215 1ez eue uonioist HP09 JHPS 9 ZHNSZ ZHAI ZHIAT 66 191unoo Kouonbojj 1E 5923U st ou un c pue 54215 ou i 2doy OFUALS NO yous Sd0Wwalnw Wa 9209 JHP 9 ZHASL ZHAT ZHWI 66 jusunsn py amp 2usnbo1j jndino 1018 091935 JUSWNAISUT Jo 011221107 sx1gul2M 10 e3tput nding indino OS WA WA 906 06 1 906 706 1 NOLLVUOdUOO OAXNO TI NN TF ER 17 10 Rui tel 41 les XDCOLLIGd 0409 Fw ___ __ e 9040 sz 9v8 5044 90 8 ozz 022 Q 2 ssy NALO 1 ES 2 Vidis us 6 el 20301 qus qu ais one Qe un 310 170703 nal NC ezis e lt LL d 71 X X Z L vd 2026 18 11 LOLO Sr RTT 8LvSIOVN er I NEZ8L97 60 0 Te 1282271 80 0 2090 amp B5 GO b e w o m wv s s JSL KZWCN N am
71. ulse T T T T 250ms is output Connect to the 8 00MHz ceramic oscillator Not used 14 POBI RECEIVE This is the dispiay output for remote control reception Output is low when decoded code is being recieved POB2 STAND BY STAND BY indication terminal Ground terminal 23 904 906 0705 0851 uPD6345C Extended A dn mos ____________ 1 yss Chip enable input terminal Connect to the terminal EN RES of the microprocessor Active of the microprocessor SCK SIN Active low terminal Active low BH d Active low terminal Active low i Active low terminal Active low x I 02 Active low terminal Active low ul Active low terminal Active low Active low Active low output terminal Active low output terminal of the microprocessor of the microprocessor Reset input terminal Active L Power supply terminal 04 56 m 100KN 5 2e 2 O SQ RS oH A z SCK gt 100 100 Ka Lotch circuit 5 54 B bits shift register 24 904 906 706 6125 Signal meter driver CCW Counter clockwise direction CW Clockwise direction pa a FT Q571 Q572 51 18751 Power amplifier AH 904 906
72. v 9N Sir M 43 401 1 OLTLNV 1020 L 9 S gt 7 aa mi rasa pie ZOX SWL O134S nox 1023 022 340951 49008 340029 0220 6125 htc ouai S 34005 34002 340081 2122 5529 R LOY Lg S34 m ann n v6 kp JUVN NOLLO3S O3GIA H3Nf L TSGOW 06 1 TSGOW WVH5VIG 9ILVN3H9S V NOLLVHOdHOO OAXNO t 68Lv S1O0VN OL OL 2 06 OL 06 Lt dvvN OL ou P n 51 mme 4 THEM SIMI EE lt y LN3W3AOHdA 309 OL 1237875 51 4112912 3815 51 JHL 30 3015 ONIANIBd GHvOS Od 6 JHL e GALON a3siMeaHIO SS3 7NO SLIVM SWHO NI Suv 500151530 177 built g 4 0 740 igg Jd0 OEE IAEE 020 39 X3 Q31ON 3SIMY3HLO SS37NO AMOS 46 NI SMOJIOvdYO 11 BBV SBOLIOYdYO 211570519973 Q31ON 3S 1MN3HJLO SS37Nn 55155 OL INSIVAINDS 349 530010 11V e Q310N 3S1M3HLO SS33Nn H SO LLOSZ OL 1 SUV SHOLSISNVUL NAN 77v e Q310N 3SIMYBHLO SS31Nn B S 6YSZ OL LN3T VAIDO3 5350151 SNVUL dNd 777 e guae aad N LZSLVG cpr 0 786 3 2070 71090 BN ERS wii TWNDIS 391 0 90 SIO U3LINL HLIM O3uUns
73. vaW e 31310845 lHvVd HIIM ANNO 39Y7143 ee 3001 sere Lite SIV 16199 rest zg Ld E JE Z vos A 14 1 I 133 5 403 7 211182 38v 5 O314IAIN3OI SINSNOdAOD e 651551 t coro 069 QLZZIN 0160 e soed acd 6060 9060 125 78 90 95 cO O Q QS9S l N area pe 6060 9065 lt 2 51 5 0262 H 001 6 1551 560 1560 S3v L OJQ 569 M 575 LaLa 2560 266752 LISD 5 8 1252 5 PESO LESO AB amp Zzi2d 592 4 9691952 ABBZiOd 2050 goes 1055 t 4291556 8997052 9050 5060 50 1252 050 0SD 8 AT Ws s e a V ler a 1090 ppp ju Hg lt SEE d a Wet L D Loan 094 SSPLLVIO 9670 9670 Timnalln LPZLNY 5690 1690 626 ERAT MM a D om mm om p mu c ltd LII lm 1 Nona 0 4 2 81 NOIL93S
74. z Eliminated Short AM BAND STEP R721 J749 IOkHz 9kHz Eliminated Short 9kHz 10kHz Addition Open R721 and R722 Carbon resistor Part No 417341044 are used Worldwide model Worldwide models are equipped with a step band selector switch This switch is located on the back panel This switch is set to SOKHz FM and 9kHz AM at the factory but may have to be reset to 100kHz and 10kHz depending on the area where the unit 1s used FM step 50kHz 200kHz AM step 9kHz 10kHz De emphasis 50 usec 75 usec Europe U S A J751 BANDO 4750 BAND 4749 AM R721 am 722 BANDI R723 BANDO DISPLAY CIRCUIT PC BOARD 73 TX 904 906 POWER SUPPLY CIRCUIT PC BOARD SELECTOR AND POWER AMPLIFIER PC BOARD 3 Memory preservation This unit does not require memory preservation batteries builtin memory power back up system preserves contents of the memory during power failures and even when the unit is unplugged The unit must be plugged in and the power switch turned on and off once in order to charge the back up system Note that since this is not a permanent memory the power switch must be turned on and off a few times each month to keep the back up system operative The period of time during which memory contents are preserved after power has last been turned off varies depending on climate and placement of the unit On the average

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