SERVICE MANUAL
Contents
1. MONO indicator Lights up when OPERATION is set to MONO 6 ATTENUATOR Control input signal sound level from the preamplifier Normally set it to the click in center position TA N55ES N330ES SECTION 2 ELECTRICAL ADJUSTMENTS PRECAUTIONS 1 Adjust the idling after tuning the unit on for about 10 15 minutes giving it time to warm up 2 Always make sure to adjust the idling when repairing the power amp section or when replacing any parts IDLING ADJUSTMENT Procedure Set the ATTENUATOR control as low as possible and adjust RT301 L CH and RT351 R CH so that the voltmeter reads 7mV at TP301 L CH and TP351 R CH Adjustment Location power board digital voltmeter DC 0 25V range digital voltmeter DC 0 25V range TA N55ES N330ES SECTION 3 DIAGRAMS 3 1 CIRCUIT BOARDS LOCATION 6 Semiconductor Locations Location VS BOARD E model LED BOARD SP TM BOARD AC SW BOARD MAIN BOARD JUMPER BOARD SELECTOR BOARD A CLASS BOARD Note e O parts extracted from the component side parts mounted on the conductor side 3 2 PRINTED WIRING BOARDS BM NNNM GNE MEI NEN REEF IS fe SO A Cd do 15 Oe 49 O TM30 E SPEAKER i A Sia Ta2. E BUSHING S 4516 CORD 8 3 346 067 21 UK SPACER C 9 4 884 612 1131 INDICATOR EJECT 19 4 929 232 01 SPACER 20 4 923 882 02 RING LARGE 16 ORNAMENTAL FOOT 10 4 933 013 11 EXCEPT FOR E PLATE AL ORNAMENTAL 21 4 916 782 21 DAMPER 4 933 013 21 E PLATE AL ORNAMENTAL 22 4 916 732 01 BOARD BOTTOM 11 4 933 014 01 ESCUTCHEON 23 7 685 647 79 SCREW BVTP 3X10 TYPE2 SLIT 12 2 257 517 00 UK CUSHION CASE RETAINER 24 7 685 874 09 SCREW BVTT 3x12 S 901 A 1 574 381 11 E CORD POWER 13 4 885 979 21 EXCEPT FOR UK SCREM 4X28 910 1 526 565 00 E AC PLUG ADAPTOR 4 847 802 00 UK SCREW 14 X 4933 001 1 US Canadian E AEP PLATE LEFT ASSY SIDE X 4933 003 1 WG PLATE LEFT ASSY SIDE 4 2 SHASSIS SECTION No 51 52 53 54 55 56 57 58 59 60 61 62 63 64 66 Part No 7 685 876 09 7 685 873 09 4 929 266 01 7 684 024 04 7 685 647 79 7 682 547 09 4 885 984 21 7 682 566 09 7 685 872 09 7 685 648 79 4 933 025 11 7 685 152 19 7 685 650 79 4 933 015 01 4 933 015 11 4 933 015 21 7 621 849 00 7 685 647 79 7 621 849 00 7 685 647 79 901 A 1 557 577 11 A 1 574 804 11 A 1 574 805 11 Description 59 C320 321 56 SCREW BVTT 3X16 S SCREW BVTT 3X10 S CUSHION N 4 TYPE 2 SCREW BVTP 3X10 TYPE2 SLIT SCREW BVTT 3X6 S WASHER SCREW B 4X20 SCREW BVTT 3X8 S SCREW 4BVTP 3X12 T
3. LM orc Le plac y with part pi ce portant le num ro sp ci E E MES US MODEL iy number specified fi 183 LATCH i a ty l 4 D204 0203 AUTORESET GST m US MODEL o ty jes COL as D PROTECTION R230 R231 H 1000 J MODEL PTH3S ide Fg C adjustment for repair EN es e 3 oa cont ALB c408 D3il FE l Voltage and waveforms are dc with respect to ground OARD c209 10102 T raoz IOE2N Er T a d ignal conditi D201 A05 D203204 00022 47 63 US MODEL A Q 3 3k 66 de E under nosignal conditions 22108 SEL2510C c208 470 63V EXCEPT FOR 3W 63V ED 0 0022 us MEL M 5 EM m MODEL A i 13 noma PRONG En fn 6 12 3 317 AN AIO 18 501 e Voltages are taken with a VOM Input Impedance 10M 9 0201 D201 202 J J ev T ist l us ao VOLTAGE SELECTOR Voltage variations may be noted due to normai produc J tueur Aeg VSIOGOM Po 10305 310 f 22 160V WG MODEL AA i one E MODEL tion tolerances Nu SELECTOR BOARD 1 2 102 f 1C103 R IOEN YOOUESOV EXCEPT FOR _ JSP TM_BOARD 1 3 _ VS BOARD l E AE a REG REG _ Ks RECT WG MODEL X NOT REPELACEABLE BUILT IN TRANSFORMER TT e Signal path 2 gt PHONO WG West Germany CND Canadian n 10 Tw TA N55ES N330ES EXPLODED VIEW AND PARTS LIST NOTE e The mechanical parts with no reference number in the exploded views are not supplied e The construction parts of an assembled part are indicated with a collation num ber in the remark colu
4. SERVICE MANUAL TA N330ES SPECIFICATIONS Other specifications AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION With 4 ohm loads both channels driven from 20 20 000 Hz rated 150 watts per channel minimum RMS power with no more than 0 01 total harmonic distortion from 250 milliwatts to rated output With 8 ohm loads both channels driven from 20 20 000 Hz rated 110 watts per channel minimum RMS power with no more than 0 05 total harmonic distortion from 250 miliwatts to rated output Continuous RMS power output both channels driven simultaneously E Model TA N330ES US Model Canadian Model AEP Model UK Model TA N55ES Model for North Europe Model except for North Europe Condition 4 ohms 20 Hz 20 kHz THD 0 01 150 W 150 W 6 ohms 20 Hz 20 kHz THD 0 03 125 W 125 W 100 W 100 W 8 ohms 20 Hz 20 kHz THD 0 05 8 ohms monaural THD 0 05 96 12 ohms monaural THD 0 05 96 continued on next page STEREO POWER AMPLIFIER SONY Dynamic power 1 ohm stereo 450W e 2 ohms stereo 400 W monaural 750 W 4 ohms stereo 290 W 220W monaural 680 W 450 W 8 ohms stereo 150 W 125 W monaural 500 W 370 W 4 ohms THD 5 Hz 50 kHz 0 05 96 450 W e 325 W 625 W monaural Power bandwidth at 75W 8 ohms THD 5 Hz 50 kHz at 55 W 0 05 IHF headroom 78 IHF
5. 1 4W 1 4W 1 4AW 1 4W 1 4W 1 4W 1 4W 1 4W 1 2W TA N55ES N330ES Ref No Part No Description R216 1 247 229 00 CARBON 360 506 1 2W R217 1 247 237 00 CARBON 750 5 1 2W R218 1 249 462 11 CARBON 22K 5 1 4W R219 1 249 465 11 CARBON 47K 5 1 4W R221 1 247 717 11 CARBON 2 2K 5 1 4W R222 1 247 237 00 CARBON 750 5 1 2W R223 1 249 465 11 CARBON 47K 5 1 4W R224 1 247 721 11 CARBON 4 7K 5 1 4W R225 1 247 744 11 CARBON 270 5 1 2W R227 1 247 747 11 CARBON 470 5 1 2W R228 1 247 747 11 CARBON 470 5 1 2W R229 1 247 703 11 CARBON 180 5 1 4W R230 1 247 747 11 CARBON 470 5 1 2W R231 1 247 747 1 CARBON 470 5 1 2W R232 1 247 725 11 CARBON 10K 5 1 4W R301 1 247 713 11 CARBON IK 5 1 4W R302 1 249 599 11 CARBON 91K 5 1 4W R303 1 249 797 11 CARBON 620 1 1 2W R304 1 247 713 11 CARBON 1K 5 1 4W R305 A 1 247 707 11 CARBON 390 5 1 4W R306 1 219 030 11 FUSIBLE 220 5 1 2W R307 A 1 217 989 11 FUSIBLE 4 7 5 1 2W R308 A 1 217 989 11 FUSIBLE 4 7 5 1 2W R309 1 217 611 00 METAL PLATE 0 1 1W R310 1 217 611 00 METAL PLATE 0 1 iW R311 A 1 247 717 11 CARBON 2 2K 5 1 4W R312 1 249 460 11 CARBON 15K 5 1 4W R313 A 1 219 002 11 FUSIBLE 15 5 1 2W R314 A 1 219 002 11 FUSIBLE 15 5 1 2W R315 1 247 891 00 CARBON 330K 5 1 4W R316 1 247 725 11 CARBON 10K 5 1 4W R317 1 247 887 00 CARBON 220K 5 1 4W R318 1 247 885 00 CARBON 180K 5 1 4W R319 1 249 461 11 CARBON 18K 5 AW R320 1 247 721 11 CARBON 4 K 5
6. 1 4W R321 1 249 462 1 CARBON 22K 5 1 4W R323 1 212 849 00 FUSIBLE 4 7 5 1 4W R324 1 247 727 11 CARBON 10 5 1 2W R326 1 249 850 11 CARBON 100K 1 1 2W R327 1 247 708 11 CARBON 470 5 1 4W R330 1 247 727 11 WG CARBON 10 5 1 2W R331 1 247 727 11 WG CARBON 10 5 1 2W R333 1 247 688 11 WG CARBON 10 5 AW R351 1 247 713 11 CARBON 1K 5 1 4W R352 1 249 599 11 CARBON 91K 5 1 4W R353 1 249 797 11 CARBON 620 1 1 2W R354 A 1 247 713 11 CARBON 1K 5 1 4W R355 1 247 707 11 CARBON 390 5 1 4W R356 A 1 219 030 11 FUSIBLE 220 5 1 2W R357 A 1 217 989 11 FUSIBLE 4 7 5 1 2W R358 41 217 989 11 FUSIBLE 4 7 5 1 2W R359 1 217 611 00 METAL PLATE 0 1 iW R360 1 217 611 00 METAL PLATE 0 1 1W R361 A1 247 717 1 CARBON 2 2K 5 1 4W R362 1 249 460 11 CARBON 15K 5 1 4W R363 A 1 219 002 11 FUSIBLE 15 5 1 2W R364 A 1 219 002 11 FUSIBLE 15 5 1 2W R365 1 247 887 00 CARBON 220K 5 1 4W R374 1 247 727 11 CARBON 10 5 1 2W R376 1 249 850 11 CARBON 100K 1 1 2W R377 1 247 708 11 CARBON 470 5 1 4W 1 247 727 11 WG CARBON 10 5 1 2W R380 Note The components identi fied by mark or dot ted line with mark are critical for safety Replace only with part number specified Note Les composants identifi s par une marque sont critiques pour la s curit Ne les remplacer que par une piece portant le num ro sp ci i TA N55ES N330ES Ref No Part No Description R38
7. A 1 557 577 11 A 1 574 804 11 A 1 574 805 11 1 631 657 11 1 631 654 11 1 631 870 11 A 4333 769 A A 4333 770 A A 4333 771 A A 4333 772 A A 4333 773 A A 4333 783 A Description US Canadian CORD POWER UK CORD POWER AEP WG CORD POWER PC BOARD LED PC BOARD SELECTOR PC BOARD AC SW US MOUNTED PCB MAIN B Canadian MOUNTED PCB MAIN B WG MOUNTED PCB MAIN B UK MOUNTED PCB MAIN B E MOUNTED PCB MAIN B AEP MOUNTED PCB MAIN B 1 533 183 11 AEP UK WG HOLDER FUSE 1 533 185 11 US Canadian HOLDER FUSE 1 631 658 11 PC BOARD SP TM 1 631 656 11 PC BOARD JUMPER 1 631 655 11 PC BOARD A CLASS 1 526 565 00 E AC PLUG ADAPTOR x1 631 652 11 E PC BOARD VS CAPACITOR 1 104 276 11 WG POLYSTYRENE 68PF 10 5 1 124 915 11 ELECT 10MF 20 6 1 104 276 11 WG POLYSTYRENE 68PF 10 5 1 123 369 00 ELECT 4 7MF 20 6 1 123 380 00 ELECT 1MF 20 6 1 124 918 11 ELECT 47MF 20 6 1 130 475 00 MYLAR 0 0022MF 5 5 1 130 475 00 MYLAR 0 0022MF 5 5 1 104 276 11 POLYSTYRENE 68PF 10 5 1 124 915 11 ELECT 10MF 20 6 1 104 276 11 POLYSTYRENE 68PF 10 5 1 124 130 00 ELECT 100MF 20 6 1 107 276 11 MICA 3PF 0 5PF 5 1 123 369 00 ELECT 4 7MF 20 6 1 123 369 00 ELECT 4 7MF 20 6 1 107 206 00 MICA 15PF 5 5 1 124 929 11 ELECT 22MF 20 6 1 107 159 00 MICA 33PF 5 5 1 107 159 00 MICA 33PF 5 5 1 136 161 00 FILM 0 047MF 5
8. MICA 220PF 5 500V WG FILM 0 001MF 5 50V POLYSTYRENE 100PF 5 50V US ELECT 47MF 20 63V EXCEPT FOR US ELECT 470MF 20 63V US ELECT 47MF 20 63V EXCEPT FOR US ELECT 470MF 20 63V US ELECT 47MF 20 63V EXCEPT FOR US ELECT 470MF 20 63V US ELECT 47MF 20 63V EXCEPT FOR US ELECT 470MF 20 63V CERAMIC 0 001MF 10 400V SOCKET CONNECTOR 11P SOCKET CONNECTOR 11P C325 1 136 161 00 C326 1 130 471 00 C327 1 109 621 00 C328 1 130 471 00 C329 1 104 278 91 C330 1 161 370 00 C333 1 130 471 00 C351 1 104 276 11 C352 1 124 915 11 C353 1 104 276 11 C354 1 124 130 00 C355 1 107 276 11 C358 1 107 206 00 C359 1 124 929 11 C360 1 107 159 00 C361 1 107 159 00 C362 1 136 161 00 C375 1 136 161 00 C376 1 130 471 00 C377 1 109 621 00 C378 1 130 471 00 ov C379 1 104 278 91 3V C408 1 124 918 11 C408 1 123 377 00 ov 3V C409 1 124 918 11 3V C409 1 123 377 00 3V ov C410 1 124 918 11 ov C410 1 123 377 00 ov 3V C411 1 124 918 11 C411 1 123 377 00 ov 3V 00V C501 A 1 161 741 00 3V 3V CNJ8 1 563 381 11 CNJ10 1 563 381 11 00V 3V CNPI x1 564 321 00 00V CNP2 1 565 792 11 00V CNP3 1 564 321 00 ov CNP4 1 564 241 00 CNP5 1 564 241 00 H CNP6 SV R OS MEET 564 687 6V CNP8 1 568 203 11 3V CNP10 1 568 203 11 00V D201 8 719 912 20 3V D202 8 719 912 20 3V D203 8 719 303 00 3V D204 8 719 303 00 3V D205 8 719 301 39 60V D206 8 719 912 2
9. PLUG CONNECTOR 3P PLUG CONNECTOR 5P E AEP UK WG FUSE TIME LAG T4A US Canadian FUSE GLASS TUBE 8A E FUSE TIME LAG T4A IC M5238P IC M5F78M12 iC M5F79M12 IC STK3102 3 IC UPC1237HA COIL AIR CORE COIL AIR CORE US Canadian AEP UK WG JACK PIN 2P INPUT MONO E JACK PIN 2P INPUT MONO US i THERMISTOR POSITIVE US THERMISTOR POSITIVE US THERMISTOR POSITIVE Q201 8 729 140 96 TRANSISTOR 25D774 34 Q202 8 729 194 57 TRANSISTOR 25C945 P Q203 8 729 119 76 TRANSISTOR 2SA1175 HFE Q204 8 729 119 76 TRANSISTOR 2SA1175 HFE Q301 8 729 203 45 TRANSISTOR 2SC3423 0 Q302 8 729 127 53 TRANSISTOR 2SC2275 P Q303 8 729 190 53 TRANSISTOR 2SA985A P Q304 8 729 320 03 TRANSISTOR 25C2921M 0 Q305 8 729 320 01 TRANSISTOR 2SA1215M 0 Q306 8 729 204 91 TRANSISTOR 2SA1049 Q351 8 729 203 45 TRANSISTOR 2SC3423 0 Q352 8 729 127 53 TRANSISTOR 25C2275 P Q353 8 729 190 53 TRANSISTOR 2SA985A P Q354 8 729 320 03 TRANSISTOR 2SC2921M 0 Q355 8 729 320 01 TRANSISTOR 2SA1215M 0 Q356 8 729 204 91 TRANSISTOR 2SA1049 RESISTOR R101 1 247 713 11 WG CARBON 1K 5 R102 1 247 713 11 CARBON 1K 5 R103 1 247 725 11 CARBON 10K 596 R104 1 249 583 11 CARBON 20K 5 R105 1 247 704 11 CARBON 220 5 R106 1 249 469 11 CARBON 100K 5 R107 1 247 725 11 CARBON 10K 5 R151 1 247 713 11 WG CARBON IK 596 R214 1 247 693 11 CARBON 2 596 R215 1 247 229 00 CARBON 360 596 1 4W
10. 3 A CLASS BOARD I 3 2 E 7 EA s E hi IC3O 1 sT K3 102 1 MAIN BOARD SP TM BOARD 1 2 n CURRENT REG CLASS AMP 9301 Q302 Q304 i RD 1 3 is 0306 2503423 2502275 2SC292 2SA1049 ix FINAL AMP PROTECTION M5F79M12 30DF2 B l B fol cathode IC101 55 2 56 E M5238 0302 X Il MONO AMP RV30I WG MODE R307 2 ATTENUATOR a T0 Il l Y R301 E 304 COMMON w oUF E C met E ik 63V ik 06 D312 313 x C H a z USIO60M EXCEPT FOR 03 D314 324 2SA1049 SEL2210S WG MODEL a 2SC945 P r h R333 H 220 ex SI0I 1 cloz y Pj A 0306 DAN 90 F R315 se een 68p 0 6 330k R308 Q305 A R313 R314 1 0303 4 7 2W NUN uw a Du R326 100k 172W a 25 fe EQ arogl cathode D C329 R308 PIO Rie 100p 307 cao F Gory 56 Y NPU H63v e 1 20 A INPUT 4 100 C305 0 047 2SA1175 HFE SEL2510C INPUT 50V 3p 500V 325 2SD774 34 EET Y 047 2e oe ae a m 6330 A wo Moog t 99L a Q303 Q305 rh T9 T o 2SA985 25A1215 t LC327 7 DURINGTON FINAL AMP o WG MODEL ss A Aet Q351 Q352 Q353 Q354 Q355 Q356 7 cr r WG EE lei 2563423 2502275 29A985 2SC2921 2SAI2 S oa eon E LT 6 MODEL P BIAS DURINGTON ANAL AMP PROTECTION es Aum Y Lo 364 m C USIO6OM 2SA1215M 0 Br R377 0352 ns mu 2SC2921M 0 1SS120 WG MODEL ES e pe bi MONO L D362 363 363771 cathode R351 C352 C358 USIO60M PT 220 ne A Mr 1 e SN OI y Jr PP i WG MODEL SPEAKER IMPEDANCE F 2 03 1 2 tL STEREO A B USE 4 16 R a gt f T0399
11. 5 1 123 369 00 ELECT 4 7MF 2006 6 1 123 333 00 ELECT 100MF 2009 2 1 130 487 00 MYLAR 0 022MF 5 5 1 123 330 00 ELECT 22MF 20 1 1 124 919 11 ELECT 220MF 20 6 1 124 499 11 ELECT 1MF 20 1 1 125 460 1 ELECT 12000MF 2096 6 1 125 460 11 ELECT 12000MF 20 6 1 125 558 11 ELECT 5600MF 20 6 1 125 558 11 ELECT 5600MF 20 6 1 136 880 11 WG FILM 2 2MF 10 1 136 601 11 EXCEPT FOR WG 0 0IMF 10 6 FILM CAPACITORS MF uF PF uuF RESISTORS e All resistors are in ohms e F nonflammable COILS e MMH mH UH uH SEMICONDUCTORS In each case U u for example UA wA UPA uPA UPC uPC UPD uPD Ref No Part No The components identified by mark or dotted line with mark are Critical for safety eplace only with part number specified Les composants identifi s par une marque sont critiques pour la s curit Ne les remplacer que par une pi ce portant le num ro sp cifi WG West Germany Description FILM 0 047MF 5 50V WG FILM 0 001MF 5 50V WG MICA 220PF 5 500V WG FILM 0 001MF 5 50V POLYSTYRENE 100PF 5 50V WG CERAMIC 0 01MF 30 25V WG MYLAR 0 0001MF 5 50V POLYSTYRENE 68PF 10 50V ELECT 10MF 20 63V POLYSTYRENE 68PF 10 50V ELECT 100MF 20 63V MICA 3PF 0 5PF 500V MICA 15PF 5 500V ELECT 22MF 20 63V MICA 33PF 5 500V MICA 33PF 5 500V FILM 0 047MF 5 50V FILM 0 047MF 5 50V WG FILM 0 001MF 5 50V WG
12. iE aor eae ae a ee MONO oA e OA ono MONO STEREO 2 B gt VS BOARD Livy l 4 pres i B Hi i US Canadian MODEL MAIN BOARD LX AC IN I20V 60Hz E i E y AEP WG MODEL i 120 220 240V rv 50 60Hz FEI AC IN 220V 50 60Hz i d m 1 fn p us E IN 220V 50 60Hz E UK MODEL C l US Canadian AEP AEP UK WG M a e e es mn TEES a UK WG MODEL MODEL E MODEL EXCEPT FOR E MODEL D 10351 i a POWER BEP UEM u i TRANSFORMER 4 SP TM BOARD e 3 T E US Canadian eer T MODEL AEP WG gt MODEL he MEE JUMPER BOARD us PA RUNS ORO D RUINA Orson nd ento ut LOG MOREAU ERU AREA D TUE OA CT J LESNAR NEO PAT EN AO A OTEREN Y F 4 a ERAS M i CRNA 025 00290200 mas PA MCN G cs ISELECTOR BOARD H 201 SPEAKERS ie 3 i Ags K Se NP m CHASSIS A CLASS BOARD AC SW BOARD MU ns mn EY 10 XX Mm de E L TA N55ES N330ES 3 3 SCHEMATIC DIAGRAM e Semiconductor Lead Layouts 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 M5F78M12 2SA985A P 10E2N A 2SC2275 P x Q cathode
13. 0 30V D207 8 719 912 20 E AEP UK WG PIN CONNECTOR 2P PIN PIN PIN PIN D PIN PIN DIOD DIOD DIOD DIOD DIOD DIOD DIOD CONNECTOR 2P CONNECTOR 2P CONNECTOR 4P CONNECTOR 4P PIN CONNECTOR 3P CONNECTOR PC BOARD 11P CONNECTOR PC BOARD 11P E 155120 E 155120 E SEL2510C E SEL2510C E SEL22105 E 155120 E 155120 Ref No Part No D301 8 719 230 02 D302 8 719 230 02 D303 8 719 230 02 D304 8 719 230 02 D305 8 719 200 77 D306 8 719 200 77 D307 8 719 200 77 D308 8 719 200 77 D309 8 719 200 77 D310 8 719 200 77 D311 8 719 200 77 D312 8 719 912 20 D313 8 719 912 20 D314 8 719 912 20 D362 8 719 912 20 D363 8 719 912 20 D364 8 719 912 20 EH1 1 564 507 11 EH2 1 564 506 11 EH3 1 564 507 11 EH4 1 564 506 11 EH5 1 564 506 11 EH6 1 564 508 11 Fl A1 532 350 00 Fl amp 1 532 510 00 F2 A1 532 350 00 IC101 8 759 602 83 IC102 8 759 604 39 IC103 8 759 604 45 IC301 8 749 920 70 1C302 8 759 111 68 L301 1 420 872 00 L351 1 420 872 00 PJ101 1 568 250 11 PJIOI 1 568 250 21 PTH301 1 202 850 00 PTH303 1 202 850 00 PTH351 1 202 850 00 Description DIODE 30DF2 DIODE 30DF2 DIODE 30DF2 DIODE 30DF2 DIODE 10E2N DIODE 10E2N DIODE 10E2N DIODE 10E2N DIODE 10E2N DIODE 10E2N DIODE 10E2N DIODE 155120 DIODE 155120 DIODE 155120 DIODE 1SS120 DIODE 155120 DIODE 1SS120 PLUG CONNECTOR 4P PLUG CONNECTOR 3P PLUG CONNECTOR 4P PLUG CONNECTOR 3P
14. 1 1 247 727 11 WG CARBON 10 5 1 2W ACCESORIES AND PACKING MATERIALS R401 A 1 215 920 11 METAL OXIDE 3 3K 5 3W F Ok ck ck ckck ko koe KEKE kk e e ec e e e de de e R402 A 1 215 920 11 METAL OXIDE 3 3K 5 3W F RT301 1 237 455 11 RES ADJ CARBON 500 2 135 414 0 SHEET PROTECTION RT351 1 237 455 11 RES ADJ CARBON 500 3 703 450 11 US INSTRUCTION RV301 1 238 656 11 RES VAR CARBON 20K 20K ATTENUATOR 3 750 794 11 US Canadian E AE UK MANUAL INSTRUCTION RY301 1 515 676 11 RELAY 750 794 42 AE2 WG MANUAL INSTRUCTION RY302 1 515 676 11 RELAY OT EE eM tenes RON SE 4 847 802 00 SCREW SI 41 554 538 00 SWITCH PUSH AC POWER 1 KEY 4 933 001 01 CUSHION S101 17972 0711 SWITCH SLIDE INPUT OPERATION 4 933 003 01 E sssscesceseees INDIVIDUAL CARTON S2017 175 200811 SION ROTARY SPEAKERS 4 933 004 01 EXCEPT FOR E INDIVIDUAL CARTON S501 1 572 009 11 E SELECTOR VOLTAGE T1 A 1 449 787 11 AEP WG TRANSFORMER POWER Ti 41 449 789 11 UK TRANSFORMER POWER Tl 41 449 790 11 US Canadian TRANSFORMER POWER TI A 1 449 788 11 E TRANSFORMER POWER TM301 1 537 246 11 US Canadian E AE UK TERMINAL BOARD SPEAKER TM301 1 537 246 3 WG TERMINAL BOARD SPEAKER TM301 1 537 246 2 AE2 TERMINAL BOARD SPEAKER Note Note The components identi Les composants identifi s par fied by mark N or dot une marque sont critiques ted line with mark pour la s curit a
15. 8 ohms 1 8 dB Total harmonic distortion 4 ohms at 10 0 008 watt output 6 ohms at 10 0 006 watt output 8 ohms at 10 0 004 watt output Intermodulation 4 ohms at 0 008 IM distortion rated output 60 Hz 7 kHz 4 1 6 ohms et 0 006 rated output 8 ohms at 0 004 rated output 250 V usec inside Frequency INPUT 5 Hz 200 5 Hz 100 response kHz dB kHz dB input sensitivity INPUT 180 mV 20 kohms S N network INPUT 120 dB A 78 IHF MODEL IDENTIFICATION Specification Label SON Y MODEL No TA N55ES STEREO POWER AMPLIFIER RYO General System Super legato linear purecomplementary SEPP power amplifier powerful power supply Power requirements P Dimensions Weight Model for U S A and Canada 120 V AC 60 Hz Model for continental Europe 220 V AC 50 60 Hz Model for United Kingdom 240 V AC 50 Hz Model for other countries 120 220 or 240 V AC adjustable 50 60 Hz ower consumption Model for U S A 280 watts Model for Canada 580 VA Model for United Kingdom 760 watts Model for North Europe 190 watts Model for Europe and other countries 310 watts Model for United Kingdom Approx 430 x 150 x 365 mm w h d 16 7 x 5 7 x 14 inches Other models Approx 467 x 150 x 365 mm w h d 183 x 5 7 x 14 3 inches Model for United Kingdom Approx 11 2 kg 24 Ib 12 oz net Other models Approx 12 2 kg 26 Ib 14 oz net Suppli
16. B UK ell MOUNTED PCB MAIN B 1 sl oc Ius MOUNTED PCB MAIN B AEP MOUNTED PCB MAIN B E AEP WG UK HOLDER FUSE US Canadian HOLDER FUSE PC BOARD SP TM PC BOARD JUMPER PC BOARD A CLASS E PC BOARD VS CAP ELECT 12000MF CAP ELECT 12000MF CAP ELECT 5600MF CAP ELECT 5600MF E AEP WG UK FUSE TIME LAG T4 US Canadian FUSE GLASS TUBE 8A AE1 uG TRANSFORMER POWER E lee iul TRANSFORMER POWER UK TRANSFORMER POWER US Canadian TRANSFORMER POWER AE2 scsi TRANSFORMER POWER not supplied NOTE e Due to standardization replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set SECTION 5 ELECTRICAL PARTS LIST e items marked x are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items e f there are two or more same circuits in a set such as a stereophonic machine only typical circuit parts may be indicated and capacitors and resistors in other same circuits may be omitted Ref No Part No 901 901 901 902 903 904 905 905 905 905 905 905 906 906 907 908 909 910 911 C101 C102 C151 C205 C206 C207 C208 C209 C301 C302 C303 C304 C305 C306 C307 C308 C309 C310 C311 C312 C313 C314 C315 C317 C318 C319 C320 C321 C322 C323 C324 C324
17. STEREO A B USEJJ 16 0 loire 1 MONO A B USEIIB 160 1 CP 18 y gt MONO la B Usellion el Ss 9 0356 R365 US CND AEP MODEL is 1 2 K E 2 MODE i 1 c3sl l CB TS 3 H Eon i L Note RT351 b TO xm 565 0 A e Ali capacitors are in uF unless otherwise noted pF uuF de Es A ep 50WV or less are not indicated except for electrolytics G i R352 C361 C362 z and tantalums 3T Tm did Pal eI Ld D39E S05 e All resistors are in Q and Y W or le I herwi ER AO 30DF2 uA Abend 4 ss unless otherwise SELECTOR BOARD I 2 SUE EC ne ERN LH TRANSFOR Q204 FORMER 254733 28403 UE he i ti 0302 i e Components for right channel have same values as for left TCH RIPPLE FILTER i B 0303 Swi z l channel Reference numbers are coded from 300 z BOR S oue ue o iE a VA e E nonflammable resistor 522 B 47 D30 3 T ot eee ee a e 4 fusible resistor AJ 1 C3214 M Te l i A CLASS BOARD 1 3 200 i m WPTM BOARD 1 3 ue MODEL SP TM BOARD 1 3 Note Note Na im c uu epa tuer er Gru DR Cr eee cuum 1 The components identi Les composants identifi s par Q Si x A CLASS i d MODEL pgio Power AC SW BOARD fied by mark A or dot une marque A sont critiques B BOARD U 3 maz 1 re V4 A ted line with mark our la s curit OPERATION W D3II B die are critical for safety Ne les bise que par une 2 F F Lc318 C319 SA A rez CMS Replace onl ith 6 i 5 Sci
18. YPE2 IT 3 US COLLAR US SCREM P 3X25 TYPE2 SLIT EXCEPT FOR US SCREW BVTP 3x16 TYPE SLIT US Canadian AET WG UK PANEL BACK REZ adas PANEL BACK Ei Den dun PANEL BACK SCREW TAPPING SCREW BVTP 3X10 TYPE2 SLIT WG SCREW TAPPING EXCEPT FOR WG SCREM BVTP 3X10 TYPE2 SLIT US Canadian CORD POWER UK suisses CORD POWER AEP uG CORD POWER Ramerks No 902 903 904 905 906 907 908 909 911 C320 C321 C322 C323 Fi Fi Ti T n Ti n 1 3 ac A A A A A A A Part No 1 631 657 11 1 63 654 11 1 631 870 11 A 4333 769 A A 4333 770 A A 4333 771 A A 4333 772 A A 4333 773 A A 4333 783 A 1 533 183 11 1 533 185 11 1 631 658 11 1 631 656 11 1 631 655 11 1 631 652 11 1 125 460 11 1 125 460 11 1 125 558 11 1 125 558 11 1 532 350 00 1 532 510 00 449 787 11 449 788 11 449 789 11 449 790 11 1 1 1 1 1 449 792 11 The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified Les composants identifi s par une marque s curit Ne les remplacer que par une pi ce portant le num ro sp cif sont critiques pour la Description Ramerks PC BOARD LED PC BOARD SELECTOR PC BOARD AC SW US oor ses os MOUNTED PCB MAIN B Canadian MOUNTED PCB MAIN B WwG MOUNTED PCB MAIN
19. ed accesssories Screws 8 except for U K model Design and specifications subject to change without notice 280W 580VA AC 120V 60Hz AC 120V 60Hz AC 220V 50 60Hz AC 240V 50 60Hz US model Canadian model AEP WG West Germany model UK model SERVICING NOTES SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK A OR DOTTED LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB LISHED BY SONY ATTENTION AU COMPOSANT AYANT RAPPORT A LA SECURITE LES COMPOSANTS IDENTIFI S PAR UNE MARQUE SUR LES DIAGRAMMES SCH MATIQUES ET LA LISTE DES PI CES SONT CRITIQUES POUR LA S CURIT DE FONCTIONNEMENT NE REMPLACER CES COM POSANTS QUE PAR DES PI CES SONY DONT LES NUM ROS SONT DONN S DANS CE MANUEL OU DANS LES SUPPLEMENTS PUBLI S PAR SONY SAFETY CHECK OUT After correcting the original service problem per form the following safety check before releasing the set to the customer Check the antenna terminals metal trim metallized knobs screws and all other exposed metal parts for AC leakage Check leakage as described below LEAKAGE TEST The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis must not exceed 0 5mA 500 microampers Leaka
20. ge current can be measured by any one of three methods 1 A commercial leakage tester such as the Simpson 229 or RCA WT 540A Follow the manufacturers instructions to use these instruments 2 A battery operated AC milliammeter The Data Precision 245 disital multimeter is suitable for this job 3 Measuring the voltage drop across a resistor by means of a VOM or battery operated AC volt meter The limit indication is 0 75V so analog meters must have an accurate low voltage scale The Simpson 250 and Sanwa SH 63Trd are examples of a passive VOM that is suitable Nearly all battery operated digital multimeters that have a 2V AC range are suitable See Fig A To Exposed Metal Parts on Set WA 0 15uF voltmeter LT 675v Earth Ground Using an AC voltmeter to check AC leakage SECTION 1 GENERAL POWER switch SPEAKERS selector Selects speaker system A B or both A B For headphone monitoring on the connected preamplifier set the selector to OFF PROTECTION indicator Lights up for approximately 4 seconds immediately after turning on the unit This indicates that the built in muting circuit is activated In normal operating conditions this does not light If it lights up speaker sound is not heard while operating an abnormality has occurred In this case disconnect the AC power cord and check the connected components and speaker systems STEREO indicator Lights up when OPERATION is set to STEREO
21. mn e items marked x are not stocked since they are seldom required for routine service Some delay should be antici pated when ordering these items 4 1 CABINET SECTION 13 SECTION 4 Due to standardization parts with part number suffix XX and X may be dif ferent from the parts specified in the components used on the set Color Indication of Appearance Parts Example RED KNOB BALANCE WHITE t Cabinet s Color Parts Color The mponents identified by mark or dotted line with mark are critical for safety eplace only with part number specified Les composants identifi s par une marque sont critiques pour la s curit Ne les remplacer que par une pi ce portant le num ro sp cif AEP WG model i No Part No Description Ramerks No Part No Description Ramerks 1 4 923 850 01 FOOT DIA 46 15 4 933 020 01 EXCEPT FOR AE2 CASE 2 4 916 745 01 KNOB DIA 21 4 933 020 11 AE2 CASE 3 4 917 460 01 KNOB POWER 4 7 682 547 09 SCREW BVTT 3X6 S 16 7 685 873 09 SCREW BVTT 3X10 S 5 4 933 018 01 E PANEL FRONT 17 X 4933 002 1 US Canadian E AEP PLATE RIGHT 4 933 018 11 US Canadian PANEL FRONT ASSY SIDE 4 933 018 21 AEP WG UK PANEL FRONT X 4933 004 1 WG PLATE RIGHT ASSY SIDE 6 4 908 884 01 EMBLEM SONY 18 3 703 244 00 EXCEPT FOR E BUSHING 2104 CORD 7 4 908 044 11 ESCUTCHEON POWER KNOB 3 703 571 11
22. re critical for safety Ne les remplacer que par une Replace only with part pi ce portant le num ro sp ci number specified fi English 90B1811 1 Sony Corporation Printed in Japan Audio Group 1990 2 9 955 521 11 Published by Customer Relations and Service Group
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