Sony SEQ-300 Service Manual Download Page 1 | Manualshive

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Summary of Contents for SEQ-300

Page 1: ...s RECOUT Phonojacks 245mV 10dBs Loadimpedance morethan 10k ohms Powerconsumption AC outlet Dimensions Weight 5 W 10OW unswitched Approx 430 80 x 245mm w h dl 17x 31h x 9 r inches Approx 2 3kg 5 lb 2 oz Accessories supplied Connecting cords 2 SAFETY RE LATED COMPONENTWARNINGII coMpoNENTs tDENTtFtED By MARK I on oorrso L NE W TH Ulnr l oN THE SCHEMAT CDtAcRArrrs AND IN THE PARTS LIST ARE CRITICAL TO...

Page 2: ...edmetal part havinga return to chassis must not exceed 0 5mA 500 microampers Leakage current can be measuredby any one of three methods l A commercial leakage tester such as the Simpson 229 or RCA WT 540A Follow the manufacturers instructionsto usetheseinstru ments A battery operated AC milliammeter The Data Precisign 245 digital multimeter is suitable for this job Measuring the voltagedrop across...

Page 3: ... tr E E E tl Xl Hz 1 kHz 2 4 kHe 6 kHz ltl kHz Usoto diust thc power spociouiness andwarmth of the sound Usoto providemorepresenca for vocals Useto boosta btrighter soundrnd to reduce stridency Thiscontrol off cBtho tr bls Uie to adiustthe brightness of tho soundandto reducehigh frequencynoisa sucfiæ tâpehiss Thiscontrol adjuststhe gpnoral atmosphers rather th n ths soundits rlf Usôto highlightûê ...

Page 4: ... D309 D31 0 D31 1 D312 D313 D314 D31 5 D31 6 D401 D402 D403 o404 D405 D406 D407 D408 D409 D410 D41 1 D301 D302 D303 D304 D305 D 4 F 4 F 13 E 10 F 10 G 10 H 10 F 3 F 3 c 11 B 11 D 11 c 10 E 11 F 11 E 9 E 10 E 11 F 9 F 9 G 9 G 9 H 9 G 9 G 11 G 11 G 11 F 11 E 12 B 12 c 12 c 12 c 12 D 12 D 12 D 12 D 11 D 10 r 6 t 7 J201 TTAPE REcoPpER lTEc ourl L R L Not on Mounting Dirgram o o partsextractedfrom the ...

Page 5: ... 09 clts oJF c r 0 6 c 0 1 clts lFo a 0 4 a 0 5 lF o o l a o Q2ô1 f È o lilà c2r6 c 11 GlFo è ts c 2 1 4 a 2 r 5 oJl GJI c 2 2 c 2 l 3 el l o el l c 2 r 0 a 2 oJl TlF a20B c209 oll É c206 t 2Q1 GIl orl c204 c205 o lt 11Fo Rr08 R207 R206 R205 c203 HFo f 2t B cÀ 1102 1 1 1il c 0 l F Rr02 lczot R208 020trn F f r o o o 0r0l I LEDBOARD vnsoano Ëq sj TT ffi f i o u Â L r z Â r r o i d l t l l f î î p F ...

Page 6: ...I L r l L l i t L i I I u T v f l l UNSW TCHED 100wMÀx c403 I J o I T 9 r lnqoq À D408 ï î i A À ç 9 t t l 7 l L I 1l 1 T i î i T l3Ef à ô À 040t ç r o 4 0 4 f T l d è ô T e e noozf r oo oo t Fn I I 6 l o o 1 I J t__l c1 1402 o o l r c 4 3 s 0 2 IPowER l IL ol nt IL OFF ISW BOARD a ...

Page 7: ... l t sonRo tuzt I S oFF4 Sr0r 2 4 FaP ËltElliiZa ml lPoYIER gOlnol 1 sror F3 sr0t 2 3 mFË l lTorxLtrlrrc fil B HF 1 Ê olo2 030r 302 usr060M a loeeonRotzlztl I 5r0r r 5 st0t 2 5 lrn Ffl t oual rzaiDn I I l l tf ll lliîl 0408 Q402 HZ6C3L 2SA733 REG RIPPLE FILTTR 7 ...

Page 8: ...7K 1 EKHI ffi sr0r 2 2 sr0l l 2 lEauaLrzaTrol l llaPE l s 0 2 q r ô l l I EoUALI l I ZATION I ITAPEI 6 F F Ê 0 0033 cr2t D3r0 0 0033 o 8t8 Ds1 o188ir D3l2 314 R r ust060 3d il I I I I I I I I I J Lc7566 OISPLAY DRIVE a I ac lt ...

Page 9: ...nt critigues i ri iii aÂ iô i el iiË are critical for safety Ne tes remplacer que par une Replace only with part I pièce portant le numéro spécÈ Ref No Switch Porition sl01 1 sl01 2 sl02 sl03 EMODEL ONLYI TAPE EOUALIZATION POWER 110 120V1220 24oV OF F OFF OFF 110 120V Voltage and waveforms are dc with respect to ground under no ignal conditions Voltages are taken with a VOM 5O kA V Voltage variati...

Page 10: ... 474 A A 4394 47 5 A A 4394 476 A 4388 742 ô 1 551 188 xx ô 1 s5F7sG oo À l 5s6 035 oo Àl 558 94s l I Àl 526 56s oo t 533 183 lI 1 53S 4l 6 00 BP90lil 535 139 00 BP90l 1 53Fl4l 00 cNJl4 1 526 751 ll clùJ1Â 1 526 774 ll cNJl Àl 526 794 ll c Jl ô 1 526 882 00 F90l Àt 532 078 00 Fr30l l 519 442 ll sl03 Âl s7r046 21 T90l Àl 449 235 11 T90l ô 1 449 236 ll T90l À1 449 237 ll t0 WestGermany MODEL CNJ 4 1...

Page 11: ...TLECI 2 4F O 50Y FILl l 0 0471 1F 5 50V ELECT FILl l ELECT lr4F 20 0 022f F 5c 0 33r F 20 FIIM O OIMF 5T sOV ELECT o lMF 20 50V ifYLAR 0 0027MF 5 50V CERAI IIC 47OPF FILM O OIMF ELECT IO IF ELECT 2211F ELECT 22 4F CERA IIC 47PF FILtrt 0 0471 tF FILÎ r 0 047MF CERAI IIC 47PF ELTCT ELECT ELECT 2 2ÂF NF 2 t4F FILM O OISMF FILil 0 01S F CERAT IIC 47PF ELECT 2 2NF I IYLAR O OO56MF IYLAR 0 0056MF CERAII...

Page 12: ...8 719 00G 26 D3l4 8 719 000 26 D3l5 8 719 000 26 Re f No D3l6 D40l 0402 Part No Descrlptlon 8 719 000 260I0DEUSI060M ÂB 7t9 2oo 77 DI0DEloEzN B 719 zoç77 oIooE loE2rl 0403 Â8 71F200 77 DIoDEIOEzN D404 8 719 20 77 0t008 l0E2rl D405 8 719 000 26 DIoDEUSl060M 0406 8 719 000 26 0I00EUSl060M 0407 8 719 000 63 DI00EUZL 6M3 0408 8 719 000 63 DIoDEUZL 6M3 D409 8 719 000 26 0loDEUSl060 l D4l0 8 719 310 75 ...

Page 13: ...I R3 32 o Be f No Pa rt No R40rô 1 249 455 1t R402 Àl 249 455 tl R404 t 24H25 11 R405 1 249 425 tl R406 l 2q7 70q 11 R407 t 249 426 tl R408 l 247 885 00 R409 t 249 437 tl R4l0 l 249 441 lI R4 I I l 247 756 lI R412 1 247 703 11 R413 1 247 703 l I RVl0l l 238 ll3 l I Rvl02 l 238 ll3 ll RV1031 238 ll3 ll RVl04 1 238 tl3 t I RVl05 l 238 ll3 11 Rvl06 l 238 ll3 ll RVI 07 I 238 lI 3 l I Rvz0l l 238 1 t3 ...

Page 14: ...h is turned on The powercord is disconnected o The connectingcord is disconnected e TheTAPEswitchsettingis not correct No equalization o TheEQUALIZATION switchissetto OFF theindicator isoff o Connections arenot madeproperly Theprogramsourceconnectedto the amolifier cannotbe recorded o TheTAPEswitchis setto ON 9 953 155 11 Sony Corporation Audio Group t4 Englidr 88C0296 1 Printedin Japan 01988 3 Pu...

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