SERVICE MANUAL
Contents
1. LC7000 0302 303 0305 306 316 317 151555 ETUNING VOLUME BOARDI SWITCH BOARD 0312 313 151555 33 0807 258740 DAVE _ 1 A UNCTION 0 pil 52 8526 527 518 85 247 Oke 1 sovl 1 CONTROL CIRCUIT TORING 2 lt 8 9 pi i s ic 502 5503 T C304 TC9 35P R 0 022 X 6 FUNCTWO CH 5501 E RES 835 3 F ION 033 352 0313 25 1815 0311 1 SWITCHING ws 152473 i ass L 0502 504 2 081 812 152473 STR S5L DISPLAY BOARDIA B 1 1 402 MSL23I2RS 51555 040 414 0401 407 151555 25 1815 0307 308 254015 TA Beis TCHING MAIN BOARD IC851 pPC574 TAGE 6 0855 MAIN BOAR 0 0 168 E 0853 IC40 TC4069yBP INVERTER Q408 254105 2 5 RECT 0854 25 VOLTAGE Ri D789 EG 2 0309 25 52. UK Model FM AM STEREO RECEIVER SPECIFICATIONS Amplifier section Continuous RMS power output less than 0 05 THD both channels driven simultaneously At 1 kHz 60 60 watts 8 ohms At 20 Hz 20 kHz 50 50 watts B ohms According to DIN 45500 50 50 watts B ohms Power bandwidth IHF 10 Hz 40 kHz Harmonic distortion Less than 0 05 at rated output Intermodulation IM distortion 60 Hz 7 kHz 4 1 Less than 0 05 at rated output 50 at 10 kHz 8 ohms 1 4 dB Less than 250 kV at 8 ohms Damping factor Dynamic headroom Residual noise Inputs 7 Weighting Sensitivity Impedance S N 2 5 47 ohms 76 dB 150 50 ohms 105 AUX 150 mV 50 k ohms 105 dB A Outputs REC OUT Voltage 150 mV Impedance 10 k ohms HEADPHONES Accepts low impedance headphones SPEAKERS 8 16 ohm speakers are suitable WES BE MICROFILM Frequency response PHONO RIAA equalization curve 0 5 dB AUX 10 Hz 100 kHz 0 5 dB BASS 8 dB at 100 Hz TREBLE 8 dB at 10 kHz SOUND ENHANCER 8 dB 80 Hz 6 dB 800 Hz 8 dB 8 kHz Tone controls Continued on next page SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY SHADING AND MARK N ON THE SCHEMATIC DIAGRAMS EXPLODED VIEWS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PA
3. TAP 3x8 1 w milling circuit board bracket B o Remove the heat sink from the circuit board bracket GRI STR SSL DISPLAY BOARD A REMOVAL FUNCTION BOARD REMOVAL BVTT 3X6 Release three claws 3x8 DISPLAY BOARD B REMOVAL 3x6 Draw out the lead wires 548 LEVEL METER BOARD REMOVAL Release two claws LED BOARD REMOVAL STR S5L SPEAKER SWITCH W BOARD REMOVAL Release the speaker switch lead wires knobs from the clamp KEYBOARD SWITCH BOARD TUNING CONTROL BOARD REMOVAL leadwires the clamp BVTT3X6 nut MANUAL TUNING knob SECTION 3 ADJUSTMENTS SECTION AM rf signal generator Put the lead wire antenna close to the set VTVM i 30 amplitude modulation by 400 Hz signal REC OUT e Repeat the procedures in each adjustment several times and the frequency coverage and tracking adjustments should be finally done by the trimmer capacitors MW TRACKING ADJUSTMENT Adjust for a maximum reading on VTVM L901 CT202 600kHz 1 400kHz LW TRACKING ADJUSTMENT Adjust for a maximum reading L901 CT201 170kHz 310kHz LW FREQUENCY COVERAGE ADJUSTMENT
4. Adjust for a maximum reading on VTVM T201 CT203 145kHz 365kHz MW FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on VTVM T202 515 2 CT204 1 660kHz T203 450kHz Adjust for a maximum reading on VTVM IF ALIGNMENT IF Offset Adjustment Tune the set to 98MHz manually Set S410 to ON Adjust RT401 so that the last digit continues to light up when 98 0MHz is indicated on the frequency display Set 410 to OFF FM rf signal generator 0 01uF Carrier frequency 2 Modulation 1kHz 40kHz deviation FM antenna After one offset adjustment EM or AM is completed turn 410 off again and perform the other STR S5L RT402 AM IF Offset Adjustment BAND MW 1 Tune the set to 1 000kHz Set 5410 to ON Adjust RT402 so that the last digit continues to light up when 1 000 2 is indicated on the frequency display Set 410 to OFF AM rf signal generator Put the lead wire antenna close to the set 30 amplitude modulation by 400Hz signal STR S5L AM S Curve Adjustment AM rf signal generator N Carrier frequency 1 000kHz Modulation 400Hz 30 loop antenna T204 secondary side 27 lt lt lt Procedure 1 Set the output level of the signal generator to 64 74 dB 2 Adjust T204 for 4 75
5. ERMINAL 2P 103 12 ERMINAL 3F 04 3X 513 ERMINAL 4P 05 3X8 2 NON SLIT 514 RMINAL 5P 515 ERMINAL 6P 07 4 1 BASE POST 14MM 10MM PITCH 08 09 TERMINAL BOARD 4 0 TERMINAL BOARD 4P MOTOR M801 1 553 447 00 SWITCH PUSH AC POWER 5901 1 560 060 00 PIN INNECTOR 2P 061 00 PIN CONNECTOR 062 IN CONNECTOR 4P 0f IN CONNECTOR 5P N F 60 064 00 PIN CONNECTOR 6P ASS BASE POST MOUNTED PCE IN CONNECTOR 7P MOUNTED Q M MOUNTED PCI 0l 1 604 683 00 BOARD LED 1 604 684 X TRANSISTOR L FOOT ASSY 1 TRANSISTOR R KNOB FRONT gt AUX JACK PANEL ASS BREAKER PACKING 1 604 690 00 BOARD REMOCON TERMINAL No art No escriptic 604 691 00 604 693 00 SPEAKER SWITCH C RD HEADPHONE LABEL TAC BOARD VOLUME BAG POLYETHYLEN MANUAL INSTRUCTION BOARD VOLUME SHEET PROTECTION PC VOLUME C FUNCTION CUSHION RIGHT CUSHION LEFT SHEET PROTECTION PANEL PLATE A ATION 150 4 874 INDIVIDUAL Ci C BOARD 3 KEY SWITCH 151 1 551 967 00 UK CORD POWER PC BOARD TUNING VOLUME NOTE Items with no part ription are not 5 are seldom requi red Items marked are not stocked since thev are seldom required for routine service Some delay should be antici pated when ordering these items number and no des tocked because they for routine service with part the Due to standardi
6. TANTALUM CAPACITORS RATING Use the high voltage rated one 3 15 VOLT 63 VOLT 10 VOLT 16 VOLT 20 VOLT 25 VOLT 35 VOLT uF PART No PART No PART No PART No PART No PART No 4 i 0 01 1 131 396 00 0 015 gt 1 131 397 00 0 022 gt 1 131 398 00 0 033 1 131 399 00 0 047 1 131 400 00 0 068 1131 40100 0 1 1 131 402 00 0 15 gt 1 131 403 00 0 22 1 131 404 00 0 33 1 131 409 00 1 131 405 00 _ 0 47 1 131 412 00 m 1 131 406 00 0 68 1 131 415 00 1 131 410 00 1 131 407 00 1 0 1 131 418 00 1 131 413 00 1 131 408 00 1 5 1 131 421 00 1 131 416 00 1 131 411 00 1 131 348 00 22 1 131 424 00 __ 1 131 419 00 1 131 414 00 1 131 355 00 1 131 349 00 33 1 131 422 00 1 131 417 00 1 131 362 00 1 131 356 00 1 131 350 00 1 131 425 00 1 131 420 00 1 131 369 00 1 131 363 00 1 131 357 00 1 131 351 00 68 1 131 423 00 1 131 376 00 1 131 370 00 131 364 00 1 131 358 00 1 131 352 00 10 1 131 426 00 1 131 383 00 1 131 377 00 1 131 371 00 1 131 365 00 1 131 359 00 1 131 353 00 E3 1 131 390 00 1 131 384 00 1 131 378 00 1 131 372 00 1 131 366 00 1 131 360 00 22 1 131 391 00 1 131 385 00 1 131 379 00 1 131 373 00 1 131 36700 1 33 1 131 392 00 1 131 386 00 1 131 380 00 1 131 374 00 41 1 131 393 00 1 131 387 00 1 131 381 00 68 1 131 394 00
7. 1 131 388 00 100 1 131 395 00 TANTALUM CAPACITORS RATING me 3 VOLT 6 3 VOLT 10 VOLT 16 VOLT 20 VOLT 35 VOLT PART PART 888 L E 0 033 1 131 273 00 1 131 274 00 1 131 275 00 1 131 276 00 NE I ______ 1431277 1 131 262 00 1 131 278 1 131 263 00 1 131 279 00 1 131 169 00 1 131 264 00 1 131 280 00 1 131 258 00 1 131 265 00 1 131 281 00 1 131 254 00 1 131 266 00 1 131 282 00 1 131 250 00 2 1 131 267 00 1 131 283 00 1 131 259 00 1 131 268 00 1 131 284 00 5 1 131 255 00 1 131 269 00 1 131 251 00 1 131 171 00 1 131 270 00 _ 1 131 260 00 1 131 271 00 jq 5 1 131 272 00 1 131 252 00 1 131 261 00 1 131 257 00 D 1 131 176 00 1 131 253 00 1 131 173 00 N 1 131 288 00 1 131 174 00 1 131 177 00 E 1 77 00 STR S5L 1 4 WATT CARBON RESISTORS Part No Q Part No 1 246 401 00 1 246 425 00 1 246 449 00 1 1 246 473 1 246 497 00 100k 1 246 521 00 1 1 246 545 00 1 246 402 00 1 246 426 00 1 246 450 00 1 1 246 474 1 246 498 00 110k 1 246 522 00 1 1 210 814 00 1 246 403 00 1 246 427 00 1 246 451 00 1 1 246 475 1 246 499 00 120 1 246 523 00 1 1 210 815 00 1 246 404 00 1 246 428 00 1 246 452 00 1 246 476 1 246 500 00 130k
8. 127000 59 240 69 TC4069UBP 8 759 913 12 512312 5 8 75 72 58 LC7258 9 904 89 IC 1489 9 745 61 045600 7 700 00 C CX 770 57 700 00 1 CX 770 59 745 6 C NJM4560D D 9 100 03 CX20007 61 44 C BA6144 00 03 C CX2000 IC7 9 961 44 C BA6144 1 320 02 12002 157 40 C UPC574J G J501 1 507 735 00 JACK LARGE TYPE 1901 507 669 00 JACK Sl 407 173 XX MICRO INDUCTOR 220UH SL 1 407 169 XX MICRO INDUCTOR 100UH SI 1 407 169 XX MICRO INDUCTOR 100UH 1 420 872 00 COIL AIRE CORE L701 1 420 872 00 COIL AIRE CORE LPF101 1 231 984 00 FILTER LOW PASS LPF102 1 231 984 00 FILTER LOW PASS CAPACITORS All capacitors are in uF Common ca pacitors are omitted Refer to the The components identified for their part numbers by shading and mark MF uF PF uuF critical for safety Replace only with part RESISTORS number specified All resistors are in ohms Common 1 48 1 8W and 1 16W carbon resistors are omitted Refer to the following lists for their part numbers COILS flam F lammable MMH mH UH uH STR SSL ELECTRICAL PARTS ELECTRICAL PARTS Ref No Part No Description Ref No Part No Description PL401 1 518 456 00 LAMP PILOT PL402 1 518 456 00 LAMP PILOT 1403 1 518 456 00 LAMP PILOT PL404 1 518 456 00 LAMP PILOT 29 66 1
9. 2 C853 4 1 108 377 00 MYLAR 0 01 10 100V D313 C901 1 161 744 00 CERAMIC 0 01 CB9015 1 532 534 00 CIRCUIT BREAKER 0316 10 70MHZ 0317 0318 0319 0320 0321 51555 0401 151555 0402 1555 0403 1555 D404 151555 JACK PIN JACK PIN 4P 0405 51555 JACK 4P D406 51555 CONNECTOR 0407 151555 CONNECTOR PIN 9P D408 151555 0409 51555 SULA D COMPONENT TION CIRCUIT BLOCK D410 51555 10 1 CIRCUIT BLOCK 0411 151555 TION CIRCUIT BLOCK 412 1555 0413 1555 CSP301 1 528 090 00 Y STORAGE NICKEL CADMIUM 2414 151555 201 1 141 180 00 417 151555 2 41 180 00 D418 151555 1 0419 151555 TRI IMME R 2420 GL 9PR9 D421 LED BLOCK LT 3001N 151555 151555 0423 51555 151555 0501 151555 1226 0502 151555 122 0503 51555 D504 151555 DIODE DIODE 0505 DIODE 0506 DIODE 0507 DIODE 0551 0601 NC VOTE CAPACITORS Items with no part number and no des All capacitors are in uF Common ca cription are not stocked because they pacitors are omitted Refer to the The components identified are seldom required for routine service Following lists for their part numbers by shading and mark Aare Items marked amp are not stocked since PENET critical for safety thev are seldom required for routine RESISTORS Replace part service Some delay should be antici SORTI are ta ome number specified pated when ordering these items 1 4W 1
10. H Description Remarks SCREWS pan head screw binding head screw for replacement pan head thread rolling binding head B screw and screw with washer face flat washer for replacement SET SCREWS gt set screw pan head screw with binding head B screw and washer face flat washer for replacement pan head screw with binding head screw and spring washer spring washer for replace ment hexagon socket set screw ex SC26 x 4 hexagon socket screw with binding head B screw and spring and flat washers spring and flat washers for replacement NUT round head screw binding head B screw for replacement WASHERS flat countersunk head screw flat washer oval countersunk head spring washer screw 4 internal tooth lock ex LW3 internal washer binding head screw truss head screw binding head B screw for replacement external tooth lock LW3 external washer RETAINING RINGS retaining ring 4 grip type retaining ring flat fillister head screw fillister head screw braizer head screw 90977 Sony Corporation 1981 9 950 682 11 48 81F0285 1 Printed in Japan
11. PHONO ET CNJ552 Aux AUX SWITCHING 0502 S80 5802 RV802 voLuvg SWITCHING CONTROL HING SWITC 0505 506 SWITCHING 050 55011655021 0550 a 5 aot AUX PHONO TAPE 5601 3 Fem MES ee 060 060 gt f 540 540 qj SWITCHING Q313 STR SSL 72 ani 5858652 PRESCALER 1 402 8 DIGITAL COUNTER 10403 490 oN HEADPHONES TM90I LEVE 7 2 C602 9 n I SPEAKER TEASER Rj RT60I T ANCEN BALANCE 5 X S Re QD 902 me Olt SPEAKER H SPEAKER gt F R CH LEADING TRAILING EDGE DETECT Q314 316 302 MEMORY S408 5301 54 7 MANUAL 403 554 5406 bo 5407 TUNING b ma L 301 1 adis 54254 7 gt B 910 OW LLEVEL 1 1640 14 R S5L 1
12. 1 246 524 00 1 1 210 816 00 1 246 405 00 1 246 429 00 1 246 453 00 1 1 246 477 1 246 501 00 150k 1 246 525 00 1 5M 1 210 817 00 1 246 406 00 1 246 430 00 1 246 454 00 1 246 478 1 246 502 00 160 1 246 526 00 1 1 210 818 00 1 246 407 00 18 1 246 431 00 1 246 455 00 1 246 479 1 246 503 00 180k 1 246 527 00 1 8M 1 210 819 00 1 246 408 00 20 1 246 432 00 246 456 00 2 246 480 1 246 504 00 200 1 246 528 00 2 210 820 00 1 246 409 00 22 1 246 433 00 246 457 00 2 246 481 00 1 246 505 00 220k 1 246 529 00 2 2M 1 210 821 00 1 246 410 00 24 1 246 434 00 246 458 00 2 246 482 1 246 506 00 240k 1 246 530 00 40 244 754 00 1 246 411 00 27 1 246 435 00 246 459 00 2 246 483 1 246 507 00 270k 246 531 00 2 244 755 00 1 246 412 00 30 1 246 436 00 246 460 00 3 246 484 1 246 508 00 300k 246 532 00 3 244 756 00 1 246 413 00 33 1 246 437 00 246 461 00 3 246 485 1 246 509 00 330k 246 533 00 3 244 757 00 1 246 414 00 36 1 246 438 00 246 462 00 3 246 486 1 246 510 00 360 246 534 00 3 244 758 00 1 246 415 00 39 1 246 439 00 246 463 00 3 246 487 1 246 511 00 390k 246 535 00 3 244 759 00 1 246 416 00 43 1 246 440 00 246 464 00 4 246 488 1 246 512 00 430k 246 536 00 4 3 1 244 760 00 1 246 417 00 47 1 246 441 00 246 465 00 4 246 489 1 246 513 00 470k 1 246 537 00 4
13. 45 48 gt VOLUME BOARD CI 4 995 IIIIII 164 0615 066 0617 0618 0619 0620 0621 0622 0623 1 3E 132 H3 gar Er Pe _ 6 of am OY REMOTE CONTROL DL JACK BOARD 20 v PEG e xed v B C D 4 3 SCHEMATIC DIAGRAM P _ 5 MAIN BOARD 0101 5 0102 03 SVC2IISP 0105 2SK23A 0102 296535 0103 28670 mr FMFRONT END _ EEE _ 27 Diol 67 ANTENNA M903 RIOT 43 82k J 0104 90 Ri CONTROL BOARD 190 0202 2502839 0202 KVI226 B FERRITE ROD ANT SWITCHING R207 0206 0207 0202 0205 0204 1 20 MF Y 7822 2561815 KVI226 A 25 2839 25 2839 1245 2 0202 vest _ SWITCHING SWITCHING _ T e 0204 6 ig ft oar T 20 m 49 D203 1726 ie L ZZ Re 51 206 244 04 REIS 4n 05 a rue 0201 1 0203 25 2839 MAIN BOARD e sy ss a gt T M 01 EQUALIZER BOARD 0501 557 152473 1 4 1 503 504 cX770A 16501 NJM 45600 0 EQUALIZER 9 lt 19 gt Ins AUX JACK Is O 4
14. JWI TCHINC LS 0506 2521815 059 0505 507 _ 7 MUTIN 0802 258834 0810 0805 EQAOI 05 R EQAOI I6R E REG 0804 EQAOI I6R Q803 0854 EQAOI I5R AGE REG D803 D4BBIO RECT je 0 01 100V 2808 5605 250789 0851 853 10 2 STR S5L Note The components identified by shading and mark A are critical for safety Replace only with part number specified All capacitors are in uF unless otherwise noted pF uuF 50WV or less are not indicated except for electrolytics and tantalums All resistors are in ohms W unless otherwise noted 1000 2 1000 0 nonflammable resistor FW fusible resistor internal component panel designation Signal path Switch Ref No Switch Position S201 FM MODE STEREO S301 MANUAL TUNING 302 303 AUTO TUNING LEVEL HIGH 5401 407 PRESET TUNING 1 S408 AUTO TUNING UP us S409 AUTO TUNING DOWN S410 COUNTER OFFSET OFF 501 505 FUNCTION FM S601 SOUND ENHANCER MANUAL S602 SPEAKERS A S801 VOLUME UP S802 VOLUME DOWN S901 POWER LOREAKER BOARD 5 55 A component side STR SSL SECTION 5 DED VIEWS AND PARTS LIST gt 72 N V Mg re WP 5 2 1 Supplied with sistor
15. ORNAMENTAL LABEL CAUTION 67 4 874 036 00 BRACKET C PC BOARD RING STOPPER 68 dr eos KNOB R DIA 16 RING 69 874 039 00 KNOB MANUAL KNOB 4X10 SQUARE 70 874 040 00 SPRING LEAF SPRING COMPRESSION HOLDER PCB 71 4 874 041 01 KNOB AUTO TUNING 2 BRACKET BREAKER 72 4 874 041 11 KNOB AUTO TUNING 29 4 871 322 01 CAP POWER KNOB 73 4 874 042 00 SHEET INSULATING 30 4 871 323 00 BASE POWER KNOB 74 4 874 044 00 PLATE SIDE 75 4 874 045 00 CASE A SHIELD 31 4 874 004 00 SHAFT WORM 76 4 874 046 00 PRACKET D PC BOARD 77 4 874 047 00 CHASSIS CONTROL MOTOR 33 0 GEAR 78 4 874 048 00 BEARING MAIN 3 7 00 PULLEY 79 4 874 049 00 MOLD POSITIONING LED POWER 35 0 FILM A INTERCEPT ION 80 4 874 050 00 HOLDER LED POWER 36 4 874 009 00 SHAFT PUL 37 4 874 010 01 KNOB FM 81 4 874 052 00 BRACKET A PC BOARD 38 4 874 Eas KNOB FU PHONO 82 4 874 053 00 BRACKET B PC BOARD 39 4 874 010 41 KNOB FUNC 83 4 874 054 00 PLATE ORNAMENTA 40 4 874 010 61 KNOB FUNCTION MW LW 84 4 874 056 00 WINDOW FRONT 85 4 874 058 01 KNOB SQUARE 3X14 GRY 41 4 874 010 81 KNOB FUNCTION AUX 86 4 874 058 11 KNOB SQUARE 3X14 BLU 42 4 874 016 00 HOLDER L BEARING 87 4 874 059 00 PANEL SUB 3 4 ER BEARING 88 4 874 060 00 PLATE L SIDE 44 NG L 89 4 874 061 00 PLATE SIDE 45 i 90 4 874 062 00 PLATE BOTTOM E CAPACITORS tems with n
16. ROMA In TEST state at high level band input terminal 5 FM Input At low achieves FM reception state and maintains it even if it later goes high Holds at low for more than 5 msec MW band input terminal 6 MW Input At low achieves MW reception state and maintains it even if it later goes high Holds at low for more than 5 msec LW band input terminal At low achieves LW reception state and maintains it even if it later goes high 7 LW Input 1 Holds at low for more than 5 msec Outputs control signal which indicates band reception state 8 F A OUT Output FMband high AM band low MW LW Qutputs control signal which indicates band reception state MW band high 9 M L OUT Output nid P LW band low Not used in this model 10 CV OUT Output Output of analog signal transfer gate outputs varactor impressed voltage 11 CV IN Input Input of analog signal transfer gate inputs ladder output voltage Input of analog signal transfer gate inputs tuning voltage generated by variable 12 Manu Input resistor Inputs S Curve voltage of FM AM 13 S Curve Input i Input of LSI comparator inputs control signal for AFC operation Auto search station selection input terminal Starts UP search at low stops when S Curve voltage is applied to S Curve terminal and after AFC operation 14 UP Input i When UP search is indi
17. 025V reading on the VOM Note The primary side of T204 has been adjusted at the factory so the adjustment is unnecessary in this field 22 The FM front end is carefully adjusted at the factory and is supplied as one whole block for replacement e Refer to page 21 for FM IF Offset Adjustment FM rf signal generator FM ANT REC OUT Modulation 400Hz 40kHz deviation FM FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on VTVM A 108 0MHz 87 5MHz RT303 RT302 23 STR S5L STR S5L FM Discriminator Adjustment VCO Adjustment Setting A Regular Method Procedure FM rf signal generator FM ANTENNA REC OUT set FM monaural signal Carrier frequency 98MHz oscilloscope FM rf signal generator 0 01uF Gp st distortion meter Carrier frequency 98 MHz Modulation TkHz 4 Modulation no modulation FM antenna 40k Hz deviation NULL Output level 1 mV 60 dB termina o to VOM DC range Y 1 VCO check 2 frequency counter 1 Tune the set to 98 MHz 2 Adjust RT202 for 19 kHz 50 Hz on the counter NULL Adjustment Procedure l Tune the set so that the noise levels become symmetrical as shown on the right output level of the signal gen
18. 161 017 00 1 161 018 00 1 161 019 00 1 161 010 00 0 0027 0 0033 0 0039 0 0047 0 0056 1 161 044 00 1 161 045 00 1 161 046 00 1 161 047 00 1 161 048 00 0 047 0 056 0 068 0 082 0 1 1 161 021 00 1 161 024 00 1 161 025 00 Use the high voltage rated one 25 VOLT 50 VOLT PART No 1 161 054 00 1 161 055 00 1 161 056 00 1 161 057 00 1 161 058 00 1 161 059 00 1 161 060 00 1 161 061 00 1 161 062 00 1 161 063 00 0 0068 0 0082 0 01 0 012 0 015 1 161 012 00 1 161 013 00 1 161 015 00 1 161 049 00 1 161 050 00 1 161 051 00 1 161 052 00 1 161 053 00 100 VOLT 160 VOLT 2560 L PART No PART No PART No 0 47 1 0 1 123 249 00 1 123 252 00 1 123 003 00 2 2 1 123 250 00 1 123 026 00 3 3 1 121 995 00 1 123 004 00 47 1 123 255 00 _1 121 759 00 10 1 121 126 00 1 123 254 00 22 1 121 996 00 1 123 005 00 33 1 121 997 00 47 1 123 251 00 100 1 123 084 00 L CERAMIC CAPACITORS RATING 50 VOLT 50 VOLT 50 VOLT 50 VOLT pF pF PART PART 0 1 101 837 00 22 1 102 959 00 150 1101 3610 0 001 1 102 074 00 0 1 101 586 00 24 1 102 960 00 160 1 101 367 00 0 0012 1 102 118 00 1 102 934 00 27 1 102 961 00 180 1 102 976 00 0 0015 1 102 119 00 1 1 101 576 00 30 1 102 962 00 200 1 102
19. 244 761 00 1 246 418 00 51 1 246 442 00 246 466 00 5 246 490 1 246 514 00 510k 246 538 00 5 1M 1 244 762 00 1 246 419 00 56 1 246 443 00 246 467 00 5 246 491 1 246 515 00 560k 1 246 539 00 1 246 420 00 62 1 246 444 00 620 246 468 00 6 246 492 1 246 516 00 620 1 246 540 00 1 246 421 00 68 1 246 445 00 680 1 246 469 00 6 246 493 1 246 517 00 680k 1 246 541 00 1 246 422 00 75 1 246 446 00 750 246 470 00 7 246 494 00 1 246 518 00 750k 246 542 00 1 246 423 00 82 1 246 447 00 820 246 471 00 8 246 495 00 1 246 519 00 820k 1 246 543 00 1 246 424 00 91 1 246 448 00 0 246 472 00 9 246 496 00 1 246 520 00 910k 1 246 544 00 HARDWARE NOMENCLATURE Screw 10 i Nut Washer Retaining ring L Length in mm L 1 L 1 3 D Diameter in mm of usable screw or shaft Type of head gt Ht Reference designation Indicated slotted head only Unless otherwise indicated it means Reference cross recessed head Phillips typel Designation Shape Description Remarks SELF TAPPING SCREWS self tapping screw ex TA P3x10 pan head self tapping binding head self screw tapping TA B screw for replacement pan head self tapping binding head self screw with washer face tapping TA B screw and flat washer for replacement Reference Designation
20. 5 14V 1C101 102 201 302 4 33 1 602 702 PEZ Q606 706 1501502 go I5V 901 PL 1 M 0701 703 45V 602 702 0607 707 VOL REG IC601 804 806 11 0805 807 SWITCHING 312 401 404 SWITCHING Q309 310 SWITCHING Q306 SWITCHING SWITCHING PL408 414 SWITCHING Q401 407 SWITCHING Q408 5901 POWER CNP90I C890 5902 Q 69 CN901 CN902 OUTLET 7 08 STR S5I SECTION 2 DISASSEMBL Y h Note Follow the disassembly procedure in the numerical order given TOP COVER REMOVAL Remove the four screws EQUALIZER BOARD REMOVAL HEAT SINK REMOVAL BVTT 3x6 STR S5L FRONT PANEL REMOVAL 6 CONTROL BOARD REMOVAL MOTOR CHASSIS REMOVAL m TA P 3X8 w milling Was BVTT 3X6 BOTTOM PLATE REMOVAL SUB PANEL REMOVAL The main board can be checked in this condition 3x6 3x6 0 SOUND i 0 LA ENHANCER manuaL 7 3x6 TUNING knob BVTT 3x6 9 Loosen the screws N 5 551 CIRCUIT BOARD BRACKET REMOVAL 95777 3x6
21. 8 729 201 52 TRANSISTOR 25A1015 RANSISTC 0308 8 729 201 52 TRANSISTOR 25410 5 TRANSISTOR 2 0309 8 729 663 47 TRANSISTOR 25 1364 R104 1 24 0 CARBON 100 5 1 4 F 0310 8 729 374 02 TRANSISTOR 258740 1 24 5 0311 8 729 374 02 TRANSISTOR 2SB740 1 2 0312 8 729 374 02 TRANSISTOR 258740 1 2 0313 8 729 663 47 TRANSISTOR 25 1364 1 2 0314 8 729 663 47 TRANSISTOR 25 1364 0315 8 729 201 52 TRANSISTOR 2SA1015 0316 8 729 663 47 TRANSISTOR 25 1364 0401 8 729 663 47 TRANSISTOR 2501364 0402 8 729 663 47 TRANSISTOR 25 1364 NOTE CAPACITORS Items with no part number and no des All capacitors are in uF Common cription are not stocked because they pacitors are omitted Refer to the The components identified Due to standardization are seldom required for routine service Items marked 6 are not stocked since thev are seldom required for routine service Some delay should be antici pated when ordering these items parts with part numbers AAA XX or A AAAA AAA X may be different from those used in the set following lists for their part numbers uF RESISTORS All resistors are in ohms Common 1 4W 1 8W and 1 16W carbon resistors are omitted Refer to the following lists for their part numbers nonflammable 44 by shading and mark Avare critical for safety Replace only with part number specified COILS MMH mH uH STR S5L E
22. 8W and 1 16W carbon resistors Due to standardization parts with part are omitted Refer to the following numbers A AAA AAA XX or A AAAA AAA X lists for their part numbers be different from those used in the COILS set F nonflammable MMH mH UH uH 42 5 Descripti iO ED D BLOCK BLOCK BLOCK DIODE BLOCK DIODE BLOCK DIODE M DIODE 5 8 719 815 55 DIODE 151555 DIODE 8 719 931 16 DIODE D805 8 719 931 16 DIODE 7 0806 4 8 719 200 02 DIODE NOTE Items with no part number and no des cription are not stocked because they are seldom required for routine service Items marked amp are not stocked sinc thev are seldom required for routine service Some delay should be antici pated when ordering these items Due to standardization numbers A A XX or may be different from those used set parts with part A AAAA AAA X in the e STR S5L Description 719 9 9 8 D812 0851 0852 853 0854 505 8 7 19 931 um 02 0 DIODE 15 55 DIODE 151555 15 55 31 15 5 8 719 931 16 DIODE EQAO1 16 6 8 719 930 11 DIODE 0 01 117 401 1 519 225 00 NDICATOR TUBE FLUORESCENT C101 8 759 812 35 C C C C IC TC9135P 9 87
23. bar over its name operates when OV is applied ex FM 5 5 CIRCUIT DIAGRAM AROUND 1C303 WHEN BAND 15 SELECTED CNJ90 g 9 5 D309 5 a x e OUT R319 R320 1 302 4 x COMPARATOR SRV301 EDANCE CONV gt 5 REFERENCE ELS 8408 _ VOLTAGE Siis EAT TUNING 1 2305 SWITCH OVER THE 5 15 n TUNING VOLTAGE FOR FM OR gt AT fmin al 5 0304 5 OVER THE VOLTAGE FOR FM OR 5302 gt Low REF VOL 3 HIGH 0307 o wines CIRCUIT MUTING CIRCUIT FM MODE LOW STATION SELECTION VOLTAGE MUTING CIRCUIT 578 551 R366 301 IMPEDANCE CONV 4 R303 an 9 est SIGNATION DETECT AF OUTPUT 10 STR S5L FUNCTIONS OF IC 305 TERMINALS Function Achieves back up state of the internal memory and flip flop at low level e When low level is maintained in band division state F A IN low level enables alternate e When the terminal M IND IN and CH7 are high level at band division state F A IN low level enabl
24. high level when depressing simultaneously the channel switch Pin Input No Pin Name Output 1 VDD e B power supply 2 FOWER Input P e Achieves operation state at high level 3 MAND IN Input designation of the band with AM input e Input terminal of band memory 4 MEMO IN Input 5 Input UP DOWN 6 F A IN Input At low level achieves the band division state e At low level designates the band 7 BAND H Output high level e At low level designates the band I 8 BAND I Output 9 AM Input chatter time 6 12 msec e Not used this model 10 CEK Input e Input for LC7000 system clock 11 CHi CH7 Input channel band designation is performed 17 e Priority during simultaneous designations 18 Vss e B power supply 9 RST Input 20 MUTE Output CH7 L 4 ruy STR S5L 1 2 BLOCK DIAGRAM TAPE RECORDER 5 FM FRONT END 901 LW MW FERRITE RODO ANT ATTENUATOR SIGNAL METER url 2 IF 1C202 CNJ504 REC OUT Ov TAPE RECORDER CNJ503 TAPE CNJ50 PHONO 5 EET EQUALIZER d icsout2 o 59 1 1501 CNJ554 REC our 2 0602 CNJ55I
25. is determined by NF resistors R1 R2 and the gain of the operation amp Therefore if frequency response is given to R1 and R2 the amp response can be freely formed The sound enhancer circuit of this model makes 3 kinds of responses by inserting a resonance circuit parallel to R2 by a switch Fig A Figure B shows the resonance circuit diagram The section within the dotted line performs the same task as a coil and with C609 forms the series reso nance circuit Following is the explanation of the section of the circuit within the dotted line In Figure C by raising the voltage at ing current i flows to C2 and also flows When flows the potential at B rises so the potential at A is also pushed up by this At this time the current iy flowing from the power applied to A is very small and i is supplied almost totally as a result of the rise in voltage at B However the charging current decreases as time elapses Consequently since potential at also drops i becomes 14 and increases as time elapses By lowering the potential at A the directions of current and voltage reverse and thus operation also reverses Therefore by applying ac to point in this circuit the phase of i lags the voltage by 90 This is because this circuit performs the same job as a is determined by the hfe etc of R2 R3 R4 01 This circuit is called active filter and is often use
26. kHz General System Power requirements Power consumption AC outlets Dimensions Weight Superheterodyne FM AM tuner pure complementary SEPP AEP model 220 V ac 50 60 Hz UK model 240 V ac 50 60 Hz AEP model 120 watts UK model 320 watts 2 switched total 100 W Approx 430 x 130 x 330 mm w h d 17 x 5 x 13 inches Including projecting parts and controls Approx 9 3 kg 20 Ib 9 2 net Approx 11 5 kg 25 Ib 6 oz in shipping carton STR SSL Handling Precautions for MOS ICs Generally the insulation resistance of the oxide layer in MOS IC structures is very high and the oxide layer is very thin Because of this it is possible that the static voltages usually present on clothes and the human body will be enough to generate a potential difference across the insulator high enough to cause a breakdown of the insulating layer The following precautions should be taken while handling these ICs Particular care should be taken under conditions of low humidity Precautions in Replacing MOS ICs 1 Store new ICs by inserting them into a urethane polyester cushion which is somewhat conduc tive or wrapping it in aluminum foil so that all the pins are at the same potential The ICs should be stored in that manner until mounted on the circuit board Fig partially conductive unrethane polyester cushion aluminum foil Check the soldering iron for
27. manual station selection state 20 M IND Output N channel open drain output form at low during manual station selection Not used in this model 21 LSI power supply During operation 9V Back up 5V Output terminal for control signal which eliminates undesirable noise during station 22 MUTE Output selection At high during search preset station selection and band switching Fine tuning output terminal Generates voltage for fine tuning by connecting with low pass filter 23 F Tune Output Adjusts voltage at mixing resistor and loads it to ladder output voltage 50 duty signal except during fine tuning T 1 5 msec Outputs 8 stage pulse modulation signal during fine tuning I 8 8 24 Vref hes Reference voltage 8V for D A converter comparator LEM p Output for 10 bit UP DOWN counter including ladder buffer Performs D A conversion by connecting ladder resistor 35 Vss GND terminal of LSI 25 34 Output Channel input terminal Output terminal for station reception indication including N channel open drain form LED driver At low memorized station is selected When MEMO terminal is at low and any one CH1 CH5 goes low the station being received is memorized 36 42 CHI CH7 Input Output Hold at low for station selection or memory for more than 20 msec Note A terminal with
28. variable re METER XB S Supplied with Jack 38 STR S5L ATF 2 EP N component side gt CAS 39 551 5 4 PARTS LIST GENERAL SECTION GENERAL SECTION N art No Description No Part No Description SPRING COMP 46 4 874 020 00 SPRING LEAF L 4 COVER POWER SWI 47 4 874 021 00 SPRING LEAF R CUSHION ECM 48 4 874 022 00 BRACKET HP 49 4 874 023 00 BRACKET MIC AUX SCREW SELF TAPPING 50 4 874 024 01 KNOB PRESET 1 UK LABEL MADE IN JAPAN CLAMP 51 4 874 024 11 PRESET 2 SPRING TENSION 52 4 874 024 21 PRESET 3 HINGE CIRCUIT BOARD 94V 2 53 4 874 024 31 KNOB PRESET 4 SPACER TERMINAL 54 4 874 024 41 KNOB PRESET 5 55 4 874 024 51 KNOB PRESET 6 11 079 00 BEL SUB CAUTION 56 4 874 024 61 KNOB PRESET 7 12 3 00 ORD 57 4 874 025 00 FILTER 13 54 11 OS CASE CLAW 58 4 874 028 00 BRACKET L HEAT SINK 14 165 00 SCRE 59 4 874 029 00 BRACKET HEAT SINK 15 31 441 CUSHION FELT 60 4 874 030 00 SPACER 18 CONNECTOR TUBE RUBBER HOLDER WIRE 61 4 874 031 00 HOLDER LED RIVET NYLON 3 5 62 4 874 032 00 LINK A LABEL SERIAL NUMBER 63 4 874 033 01 LINK B HEAT SINK 64 4 874 033 1 LINK B 65 4 874 034 00 LID ORNAMENTAL HEAT SINK TR 66 4 874 035 00 LID L
29. 08 SWITCH KEY BOARD R805 1 206 672 00 METAL 2 27 5 20 5409 1 552 539 00 5 5410 1 552 697 00 SWITCH LEVER 8809 A 1 206 656 00 METAL 470 5 2M F S501 552 539 00 SWITCH KEY BOARD R810 A 1 206 648 00 METAL 220 S 2 R813 A 1 206 648 00 METAL 220 5 2 5502 1 552 539 00 SWITCH KEY BOARD R817 A 1 247 192 00 CARBON 10 5 1 24 503 552 539 00 SWITCH KEY BOARD R819 A 1 247 192 00 CARBON 105 1 29 5504 1 552 539 00 SWITCH KEY BOARD 5505 1 552 539 00 SWITCH KEY BOARD R823 1 247 192 00 CARBON 10 5 TN PU S601 1 553 688 00 SWITCH PUSH 4 KEY R851 1 213 036 00 FUSIBLE T 127 71 F R852 A 1 247 071 00 CARBON 1 5 1 M 560 1 553 761 00 SWITCH PUSH 2 KEY 8856 1 213 068 00 FUSIBLE 5801 1 552 539 00 SWITCH KEY BOARD 5802 1 552 539 00 SWITCH KEY BOARD RT101 1 226 239 00 RES ADJ CARBON 100K RT102 1 226 237 00 RES ADJ CARBON 20K 11 1 404 170 00 TRANSFORMER IFT RT103 1 226 237 00 RES ADJ CARBON 20K T201 1 405 914 00 011 LW OSC RT201 1 224 251 XX RES ADJ METAL GLAZE 4 7K T202 1 405 927 00 COIL MW OSC RT301 1 224 251 RES ADJ METAL GLAZE 4 7K T203 1 409 348 00 COIL MECHANICAL FILTER 7204 1 404 322 00 TRANSFORMER DISCRIMINATOR RT302 1 224 252 RES ADJ METAL GLAZE 10K RT303 1 224 256 XX RES ADJ METAL GLAZE 220K XT401 1 527 533 21 OSCILLATOR CRYSTAL RT401 1 226 431 00 RES ADJ CARBON 1 RT402 1 226 431 00 RES ADJ CARBON 10K R
30. 405 1 518 456 00 LAMP PILOT 729 663 47 406 1 518 456 00 LAMP PILOT 29 201 52 TRANSISTOR 2SA1015 PL407 1 518 456 00 LAMP PILOT 9 201 52 TRANSISTOR 2SA1015 PL408 1 518 457 00 LAMP PILOT 201 52 RAN 25 1409 1 518 457 00 LAMP PILOT 201 52 PL410 1 518 457 00 LAMP PILOT 201 52 NS 411 1 518 457 00 LAMP PILOT Q505 412 1 518 457 00 LAMP PILOT 0506 413 1 518 457 00 LAMP PILOT 0601 37 PL414 1 518 457 00 LAMP PILOT Q602 29 300 37 TRA PL501 1 518 459 00 LAMP PILOT 0603 8 729 300 37 TRA WS PL502 1 518 459 00 LAMP PILOT 0604 RANS ISTOR PL503 1 518 459 00 LAMP PILOT Q605 RANSISTOR PL504 1 518 459 00 LAMP PILO Q606 RANSISTOR PL505 1 518 459 00 LAMP PI Q607 RANSISTOR 2SC 1901 1 518 458 00 LAMP 0701 RANSISTOR PL902 1 518 458 00 LAMP 0702 25 801 1 800 427 00 POSISTOR Q703 RA R 25 0704 RANS ST Q201 8 729 883 92 TRANSISTOR 2SC2839 Q705 TRANSISTOR 25 Q202 8 729 883 92 TRANSISTOR 2502839 Q706 TRANSISTOR 2 0203 8 729 883 92 TRANSISTOR pte 0204 8 729 883 92 TRANSISTOR 25 TRANSIS Q205 8 729 883 92 TRANSISTOR 5 TRANSISTO TRANSIS 0206 8 729 883 92 TRANSISTOR 25 2839 0803 RANS Q207 8 729 663 47 TRANSISTOR 25 1364 0804 RANSIS Q301 8 729 663 47 RANSISTOR 25 1364 Q302 8 729 663 47 TRANSISTOR 25 1364 TRANSI 0303 8 729 663 47 TRANSISTOR 71364 RANSIS 515 01 0304 8 729 663 47 TRANSISTOR 25 1364 RANSISTOF 0305 8 729 663 47 TRANSISTOR 364 TRANSIS 0306 8 729 663 47 TRANSISTOR 1364 0307
31. 65 00 1 108 409 00 0 01 1 108 239 00 1 108 377 00 1 108 421 00 0 1 1 108 251 00 1 108 389 00 1 108 433 00 0 0012 1 108 35 1 00 1 108 366 00 1 108 410 00 0 012 1 108 357 00 1 108 378 00 1 108 422 00 0 12 1 108 363 00 1 108 390 00 1 108 434 00 0 0015 1 108 228 00 1 108 367 00 1 108 411 00 0 015 1 108 240 00 1 108 379 00 1 108 423 00 0 15 1 108 252 00 1 108 391 00 1 108 435 00 0 0018 1 108 352 00 1 108 368 00 1 108 412 00 0 018 1 108 358 00 1 108 380 00 1 108 424 00 0 18 1 108 364 00 1 108 392 00 1 108 436 00 0 0022 1 108 230 00 1 108 369 00 1 108 413 00 0 022 1 108 242 00 1 108 381 00 1 108 425 00 0 22 1 108 254 00 0 0027 1 108 353 00 1 108 370 00 1 108 414 00 0 027 1 108 359 00 1 108 382 00 1 108 426 00 027 1 108 854 00 0 0033 1 108 232 00 1 108 371 00 1 108 415 00 0 033 1 108 244 00 1 108 383 00 1 108 427 00 0 33 1 108 855 00 0 0039 1 108 354 00 1 108 372 00 1 108 416 00 0 039 1 108 360 00 1 108 384 00 1 108 428 00 0 39 1 108 856 00 0 0047 1 108 234 00 1 108 373 00 1 108 417 00 0 047 1 108 246 00 1 108 385 00 1 108 429 00 0 47 1 108 857 00 1 108 418 00 0 056 1 108 361 00 1 108 386 00 1 108 0 0056 1 108 355 00 1 1 10 1 10 00 M 0 0068 1 108 419 00 0 068 1 108 249 001 108 387 00 1 108 431 00 0 0082 1 108 356 00 1 108 420 00 0 082 1 108 362 00 1 108 388 00 1 108 432 00
32. 701 R CH for 26mV DC at each test point TAPE or AUX speaker terminal VOM Turn the VOLUME control knob for 2 83V 1W reading 1 Adjust RT702 L CH and RT602 REH so that test point 5 the sixth element of LED meter lights up at half 1 the complete brightness lt Make sure that the sixth element lights up com pletely when increasing the output level of the R CH attenuator by 8 R CH test point R CH est point test point L CH R CH RT701 RT601 297 STR S5L SECTION 4 SEMICONDUCTOR LEAD LAYOUTS DIAGRAMS LC7000 u PC577H 2SA844 770 A 2541015 MSL2312RS JL 2SB740 NJM4560D D 7 i 2SC458A 1 1235 4 25 1364 1 1245 T 25 1815 LA3390 250789 LC7207 LC7258 D PC574J TL489CP 4 All 25 1 u PC324C b 4558 1224 2 1141 1 E 2 2681 21 151555 6144 151585 D4BB10 152076 D4BB20 258734 152076 a 250774 152471 o Mp 152473 A Tal lt gt 15553 CY 155119 en T 155120 1 22 12002 258834 250880 1 2 35 4 I P 4 1 MOUNTING DIAGRAM FM FRONT END BOARD 10E 2 EQA01 05 EQA01 10 EQA01 10R EQA01 11R 01 112 EQA01 15 R EQA01 16 R EQB01 10 IT26 CX20007 1 GL 3PR5 KV1226 LT3001N SLP252B 06 ory 1 GL 9PR
33. 9 Note Color code of sleeving over the end of the jacket WHT 4 yc RED REOKIGRYD X gt xz parts extracted from the component side e parts extracted from the conductor side indicates side identified with part number component side pattern Ea 1 k Conductor Side See page 28 for semiconductor lead layouts and note BREAKER BOARD 4 2 MOUNTING DIAGRAM EQUALIZER BOARD HEADPHONE BOAR 16602 702 gy 1005 owe 102 4 9 AMA 1549 39 e 5274 ar RSE 5 0503 arque Ee Ver efe TR BOARD R 42 417 C40 C403 1C404 525 9303 0301 Bote EA Q304 ngs 0420 ii Oo 2 8 832 SON 222224922223 27 26 2 28 29 36 V 19 Se 34 1 Yr 17 19 16 101 493 lt TI 20 ATM TS ere te 1 3 46 4544 2342440 36 3 3 4 47 CONTROL BOARD 408 lt
34. 977 00 0 0018 1 102 120 00 2 1 102 935 00 33 1 102 963 00 220 14029780 00022 1 102 121 00 _ 3 1 102 936 00 36 1 102 964 00 240 1 102 979 00 0 0027 1 102 122 00 4 1 102 937 00 39 1 102 965 00 270 1 102 980 00 0 0033 1 102 123 00 5 1 102 942 00 43 1 102 966 00 300 1 102 981 00 0 0039 1 102 124 00 6 1 102 943 00 47 1 101 880 00 330 1 102 820 00 0 0047 1 102 125 00 7 1 102 944 00 51 1 101 882 00 360 1 102 821 00 0 0056 1 102 126 00 8 71 102 945 00 56 1 101 884 00 390 1 102 822 00 0 0068 1 102 127 00 9 1 102 946 00 62 1 101 886 00 430 1 102 823 00 0 0082 1 102 128 00 10 1 102 947 00 68 1 101 888 00 470 1 102 824 00 0 01 1 102 129 00 11 1 102 948 00 75 1 101 890 00 510 1 101 059 00 0 022 1 101 005 00 12 1 102 949 00 82 1 102 971 00 560 1 102 115 00 0 047 1 101 006 00 13 1 102 950 00 91 1 102 972 00 680 1 102 116 00 15 1 102 951 00 100 1 102 973 00 820 1 102 117 00 16 1 102 952 00 110 1 102 815 00 18 1 102 953 00 120 1 102 816 00 20 1 102 958 00 130 1 101 081 00 0 001 1 000pF STR S5L SONY STANDARD CAPACITORS RESISTORS AND SCREWS MYLAR CAPACITORS 50 VOLT 100 VOLT 200 VOLT 50 VOLT 100 VOLT 200 VOLT VOLT 100 VOLT 200 VOLT CAP uF 1 cap uF PART PART No PART No PART No PART No PART No PART No PART No PART No 0 001 1 108 227 00 1 108 3
35. LECTRICAL PARTS ELECTRICAL PARTS Ref No Part No Description Ref No Part No Description 644 A 1 247 232 00 CARBON 470 5 1 2M F RV701 RES VAR CARBON 20KX2 100KX2 R645 4 1 247 196 00 CARBON 15 5 1 2 RV702 RES VAR CARBON 100 100 R646 A 1 247 196 00 CARBON 15 5 0 RES VAR CARBON 100 100 8648 A 1 217 151 00 RES METAL PLATE 0 22 RES VAR CARBON 20KX2 100KX2 R649 4 1 217 151 00 RES METAL PLATE 0 22 RES VAR CARBON 20KX2 100KX2 R650 A 1 247 192 00 CARBON 10 5 1 28 RY801 RELAY R651 A 1 247 192 00 CARBON 10 5 1 94 R659 A 1 213 139 00 METAL 470 5 IW F 5201 SWITCH PUSH 3 KEY 8741 1 247 216 00 CARBON 100 5 1724 5301 RES VAR CARBON WITH SW 10K R742 A 1 247 216 00 CARBON 100 5 1 2 302 5 8 SWITCH PUSH 3 KEY 5303 553 686 00 SWITCH PUSH 3 KEY R743 1 247 232 00 CARBON 470 5 12M 5401 1 552 539 00 SWITCH KEY BOARD R744 1 247 232 00 CARBON 470 5 1 12 R745 A 1 247 196 00 CARBON 15 5 1 2W 5402 552 539 00 SWITCH KEY BOARD R746 A 1 247 196 00 CARBON 155 1 29 403 552 539 00 SWITCH KEY BOARD R748 A 1 217 151 00 RES METAL PLATE 0 22 5404 552 539 00 SWITCH KEY BOARD 405 552 539 00 SWITCH KEY BOARD R749 Ap 1 217 151 00 RES METAL PLATE 0 22 5406 1 552 539 00 SWITCH KEY BOARD 8750 A 1 247 192 00 CARBON 10 5 1 2 4 R751 1 247 192 00 CARBON 10 5 1 20 5407 SWITCH KEY BOARD R759 4 1 213 139 00 METAL 470 5 1W 54
36. RT NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY R SERVICE MANUAL STR S5L FM tuner section Tuning range Antenna terminals Intermediate frequency Sensitivity Usable sensitivity Signal to noise ratio Harmonic distortion Separation Frequency response Selectivity Capture ratio AM suppression ratio Image response ratio IF response ratio Spurious response ratio RF intermodulation Auto tuning level 87 5 108 0 MHz 300 ohms balanced 75 ohms unbalanced 10 7 MHz at 46 dB quieting 17 3 dBf 4 uV mono 38 3 dBf 45 uV stereo 10 3 dBf 1 8 uV 9 3 dBf 1 6 S N 26 dB 75 dB mono 70 dB stereo at 1 kHz 0 15 mono 0 3 stereo 45 dB at 1 kHz 40 Hz 12 5 kHz 95 30 Hz 15 kHz 02 dB 55 dB 300 kHz 60 dB 400 kHz 1 5 dB 54 dB 80 dB 100 dB 80 dB 60 dB 19 2 dBf AM tuner section MW LW Tuning range 522 kHz 1602 kHz 150 kHz 350 kHz Antenna built in antenna external antenna terminal Intermediate frequency Usable sensitivity built in antenna provided provided provided provided 450 kHz 450 kHz 50 dB m 1 000 kHz 60 dB m 230 kHz external antenna 1 100 uV 1 000 kHz Signal to noise ratio at 50 mV m 100 pV 230 kHz __ c Harmonic distortion at 50 mV m 400 Hz Selectivity 52 dB 52 dB 0 3 0 3 35 dB 9 KHz 35 dB 9
37. T601 1 226 237 00 RES ADJ CARBON 20K RT602 1 226 235 00 RES ADJ CARBON 5K RT701 1 226 237 00 RES ADJ CARBON 20K RT702 1 226 235 00 RES ADJ CARBON 5K RV301 1 228 172 00 RES VAR CARBON WITH SW 10K RV601 1 228 219 00 RES VAR CARBON 20KX2 100KX2 RV602 1 228 174 00 RES VAR CARBON 100K 100K RV603 1 228 174 00 RES VAR CARBON 100 100 RV604 1 228 173 00 RES VAR CARBON 250K NOTE CAPACITORS Items with no part number and no des All capacitors are in uF Common cription are not stocked because they pacitors are omitted Refer to the The components identified are seldom required for routine service following lists for their part numbers by shading and mark are uF PF uuF are Items marked are not stocked since ate pdt f r in ifi thev are on poo RESISTORS Mba service Some delay should be antic 11 resistors are in ohms Common pated when ordering these items 1 4W 1 8 and 1 16W carbon resistors Due to standardization parts with part are omitted Refer to the following numbers A A A AAA XX or lists for their part numbers cns may be different from those used in the y F nonflammable MMH mH UH uH set 45 STR S5L SONY STANDARD CAPACITORS RESISTORS AND SCREWS ELECTROLYTIC CAPACITORS 6 3 VOLT 10 VOLT PART No PART No 33 g
38. cated holds at low for more than 5 msec When low level is maintained during UP search search continues even when S Curve voltage is applied to S Curve terminal Auto search station selection input terminal Starts DOWN search at low stops when S Curve voltage is applied to S Curve terminal 7 and after AFC operation 15 DOWN Input When DOWN search is indicated holds at low for more than 5 msec When low level is maintained during DOWN search search continues even when S Curve voltage is applied to S Curve terminal Manual station selection input terminal 1 MANU Achieves manual station selection state at low enabling manual station selection 2 MAI n _ Manual station selection state is cancelled when one of the UP DOWN or channel input terminals goes low Preset memory input terminal 17 MEMO Input ym Enables memory while it is holding at low The external comparator output signal which forms the A D converter during manual mode is applied 18 M U D Input 2 i At high counts up 10 bits data and ladder output voltage rises At low counts down 10 bits data and ladder output voltage decreases Output terminal which controls radio sensitivity during auto search 19 DX LO Output j At low only during search usually at high STR S5L No Pin Name Input Output Function Signal output which indicates
39. d in graphic equalizers bias resistor is omitted Fig C STR S5L POWER AMP Collector Follower Output Circuit The output stage of the power amp is usually an emitter follower but in this model it is a collector follower This is because the output circuit of the driver IC is SEPP and the output transistor is driven by this collector Figure D is a simplified illustration of this circuit Q604 605 are included to drive high voltage output stages maximum rated power voltage 1 602 is 20 40V This is also favorable to reducing distortion 12V 45V output 0 0 12V Fig D 45V Protector Circuit In a circuit like the one shown in Figure E by increasing the flow of the base current i even if the transistor is saturated i will increase without limit In a conventional emitter follower output circuit the emitter potential rises and this does not Occur this model as shown in Figure a diode is in serted to limit the base current before transistor is saturated When this circuit is operating in other words when i is flowing base potential at is 1 8V This 1 8V is a result of the voltage of 0 6V between the base and emitter of the transistor and forward direction voltage of 1 2V at the 2 silicon diodes By increasing i the potential at B drops to 1 2V i cannot be increased any further if it is tried i will flow By limiting i i
40. erator 5 10 dB 2 Adjust the secondary side core black of T101 for the minimum reading on the VOM 3 Adjust the primary side core red of T101 for OV reading on the B Procedure Simple Method 1 l Tune the set to the FM stereo broadcasting 4 If the noise levels are not symmetrical after adjustment step 3 repeat the steps 1 3 2 Turn RT202 clockwise or counterclockwise and memorize the lighting up range of stereo lamp 3 Secure RT202 at the center of the lighting up range of both turns as shown below center in lighting up ranges gt lighting up range Tune the set so that the Y levels at the peak are symmetrical Distortion Adjustment Procedure T101 primary side red Adjust the secondary side core black of T101 for the minimum distortion output level of the signal generator 604 1mV NULL test point Note Repeat the secondary side and primary side adjust ments several times If OV reading can not be obtained on the VOM after adjustments repeat the above steps T101 secondary side black STR S5 AMPLIFIER SECTION Level Meter Calibration Bias Adjustment AF oscillator Setting VOLUME control minimum SPEAKER switch OFF Procedure Adjust RT601 L CH and RT
41. es alternate designation of the band with VT UP DOWN terminal e When at low and terminals CH1 CH7 hold at low for more than 20msec enables memorization of the band being received BAND I or BAND II Employed by connecting in parallel with the terminal MEMO of IC 303 LC7207 Input terminal which designates the band BAND I BAND II alternately by receiving the leading or trailing differentiation signal of automatic search sweep voltage UP SEARCH e Employed by connecting to the terminal F A OUT of IC 303 LC7207 e When the terminal F A IN is at high level achieves the band division state low level or e When the terminal AM is low achieves the band division state low or high When the terminal F A IN is high level the output of this terminal becomes in high level e When the terminal M IND IN is low at band division state F A IN low level becomes the input which designates the toggle operation of bands BAND I BAND I1 e At low level either the terminal BAND I or BAND II goes simultaneously low e Employed by connecting in parallel with the terminal CR1 303 LC7207 e Employed by connecting in parallel with terminals CH7 of IC 303 at low level Input terminal of band designation BAND I BAND II of each channel CH1 CH7 e When this terminal goes high internal memory and flip flop are reset e Outputs the muting signal
42. n this way the transistor is protected Also this circuit has a favor able effect on distortion resulting from clipping Legato Linear Circuit Usually in a class B amp switching distortion is generated when the positive half cycle and negative half cycle of the signal switch This occurs each time the output transistor cuts off In order to remove this distortion therefore this transistor must be used so that it does not cut off Figure G is the output circuit of this set This circuit operates so that R647 and C623 do not cut off Q606 and Q607 This is an input signal but during the positive half cycle it results from i flowing to the base of Q606 and during the negative half cycle from iz flowing to the base of Q607 o input signal Fig E Fig F 5 55 FUNCTIONS TERMINALS Pin Pin Name Input Output Function Generates LSI system basic clock signal by connecting to CR time constant circuit and 1 Input Output forming oscillator circuit oscillation period 0 8 msec E Forms timer circuit by connecting with CR time constant circuit 2 CR Input Output Determines pulse width etc of MUTE output signal during band switching operation time 0 5 sec 3 BUC Input Back up control terminal is in back up state at low level TEST terminal of LSI internal circuit 4 TEST Input gt
43. ni gi iuo M 3 2 75 MANUAL VOLUME BOARD B MESS ge fie mo i y o VOLUME BOARD STR S5L a 1 102 1 3390 FM STEREO amp 0610 152473 PRC 8 0624 40 BYPASS D421 105N5 T DNE 16602 702 2561345 0605 254844 0606 152471 CX20007 8145 0604 605 608 60 Sn 612 613 152473 Ress ptas dus 1001201 D BOARD A 7 0704705 708 709 71 712 713 570 52473 PROTECT M 4 RAS O Eus Hoos dem o8 402 0801 IS ROTE 5 1 Ee 9758 BOARD naui POWER BOARD mass 22 L 81224 0035 3M im 1 603 703 B4 OUTPUT MET J K Q301 302 303 25 1815 SWITCHING L _ _ Q304 305 25 1815 030 151555 SWITCHING DC CUT CONTROL BOARD 1 301 302 240 DC AMP D205 206 4 PHASE DET 202 pPC577H AM IF AMP 363 l 8303 ioe 327
44. o part number and no des All capacitors are in uF Common ca ription are not stocked because they pacitors are omitted Refer to the The components identified re seldom required for routine service or ee for their part numbers by shading and mark A re tems marked are not stocked since critical for safety hev are seldom required for routine RESISTORS Replace une part De ian E g All resistors are in ohms Common v 5 1 48 1 8W and 1 16W carbon resistors ue to Standardization parts with part umbers A A A AAA XX or A AAAA AAA X ay be different from those used in the et are omitted lists for their part F nonflammable Refer to the following numbers xdi COILS MMH mH UH uH STR S5L JENERAL SECTION LECTRICAL PARTS No Part Descriptior Ref N Part N Description 1 401 867 21 ANTENNA FERRITE ROD LW MW L901 1 447 020 00 TRANSFORMER POWER 7901 05 PLATE 14MM BASE P 4 BASE 5P 506 6 PIN CONNECTOR 507 A 1 526 636 00 OUTLET 507 1 526 694 00 AEP OUTLET AC 901 902 508 509 1 534 817 POWER EURO PLUG CNP901 TATION NAME 509 1 551 963 00 UK CORD POWER 510 1 535 114 00 TERMINAL 1 01 6X4 102 0 TYPE E
45. olyester cushion or aluminum foil Fig G When it is necessary to handle the IC with the fingers do not touch any pin and hold the IC at the ends of its plastic package case as shown in Fig H Fig H Method of Mounting Insert the IC while holding it with the modified clip and solder all the pins with the clip still shorting the pins Similarly solder all the pins while the bare shorting wire is still wound around them Remove the clip or the bare shorting wire only after all the pins have been soldered Precaution while Checking C MOS ICs The C MOS ICs Complementary MOS are MOS ICs that have their output sections made up of N channel and P channel push pull stages to increase their speed of operation If the output terminal of these ICs comes into contact with B or voltage then the FET which is ON at that time will either become shorted or open This is valid for all the output sections that are connected together by the interconnections Even the circuits that are physically separated and not on the same board can be destroyed simultaneously Example WM PEE VAZ 5 7 1 If this line is grounded or touches B bus the output stage of this IC will be destroyed Fig 1 STR S5 SECTION 1 OUTLINE 1 1 CIRCUIT DESCRIPTION SOUND ENHANCER Figure A shows an amplifier from the operation amp Its gain
46. possible power line leakage current Make sure that there is no leakage path by connecting an ohmmeter to the tip of the soldering iron and the plug as shown in Fig C If there is a leakage path use some other soldering iron soldering iron Equalize any potential difference between the clothes the tools in use the work bench the set being worked on and the packaged IC by touching them all in succession with the hands or a conductive wire or tool 4 The following are effective methods for handl ing ICs that remove the potential difference across the oxide layer Use a paper clip modified by soldering in a wire braid insert wire braid soldered soldered sure that there is Fig D no solder on the inside clip partially conductive urethane polyester Fig E cushion or aluminum foil wire braid f m clip 1 is s a a as 1 LT LET T LI 7 H LH T 5 a is d 1 34 9 2 Make sure that all the pins contact with the wire braid all the pins will then be at the same F potential STR S5L Take a short length of fine bare wire and wind it around the IC so that it shorts all the pins of the IC while it is still in the urethane polyester cushion or aluminum foil This ensures that all the pins are at the same potential fine bare wire stripped solid hookup wire etc partially conductive urethane p
47. t 4 7 gt 10 EX 22 gt 33 gt 7 1 121 352 00 0 1 121 414 00 1 121 419 00 1 121 420 00 0 1 121 751 00 1 121 805 00 470 1 121 424 00 1 121 425 00 1000 1 121 736 00 2200 112165800 1 121 659 00 1 121 661 00 1 123 075 RATING Use the high voltage rated one 16 VOLT 25 VOLT 35 VOLT 50 VOLT PART 1 121 726 00 1 121 391 00 1 121 450 00 1 121 392 00 1 121 393 00 1 121 395 00 1 121 396 00 r121 651 00 1 121 398 00 1 121 738 00 1 121 479 00 1 121 480 00 1 121 662 00 1 121 152 00 1 121 403 00 1 121 404 00 1 121 652 00 1 121 405 00 1 121 409 00 1 121 410 00 1 121 653 00 1 121 411 00 _ 1121415 00 1 121 416 00 1 121 357 00 1 121 417 00 1 121 421 00 1 121 422 00 1 121 261 00 1 121 423 00 1 121 521 00 1 vies 1 121 655 00 1 121 656 00 1 121 426 00 1 121 733 00 1 121 361 00 1 121 810 00 1 121 245 00 1 121 657 00 1 121 388 00 1 123 061 00 _ 1 121 660 00 1 123 067 00 1 121 984 00 1 123 071 00 CAP uF 0 0012 0 0015 0 0018 0 0022 CERAMIC SEMICONDUCTOR CAPACITORS 25 VOLT 50 VOLT 0 001 PART N PART No 1 161 039 00 1 161 040 00 1 161 041 00 1 161 042 00 1 161 043 00 RATING CAP uF 0 018 0 022 0 027 0 033 0 039 1 161 016 00 1
48. zation parts numbers A AAA AAA XX or may be different those used set set from in CAPACITORS All capacitors are in LF Common pacitors are omitted Refer to the following lists for their part numbers uF PF uuF RESTSTORS All resistors are in ohms Common 1 4W 1 8W and 1 16W carbon resistors are omitted Refer to the following lists for their part numbers F nonf 1 ammable M MMH The components identified by shading and mark A are critical for safety Replace only with part number specified OILS mH UH STR S5L ELECTRICAL PARTS ELECTRICAL PARTS Ref No Part No Description Ref No Part No Description C220 1 102 672 00 CERAMIC 5 50V D208 151555 6806 1 108 377 00 MYLAR 0 01 10 100 0301 JIODE 151555 C807 4 1 108 377 00 MYLAR 0 01 10 100V D302 100 151555 808 A 1 108 377 00 MYLAR 0 01 10 100 0303 ODE 151555 C809 A 1 108 377 00 MYLAR 0 01 10 100V 0304 151555 C810 1 125 ELECT BLO 50V D305 51555 C811 1 125 230 ELECT BL 8 0 50V D306 8 7 55 E 151555 C815 1 108 377 00 MYLAR 0 01 105 100 0307 8 719 815 55 1555 C820 1 108 377 00 MYLAR 0 01 10 100 D308 8 719 815 55 C821 1 108 377 00 MYLAR 0 01 10 1007 0309 C85 A 1 108 377 00 MYLAR 0 01 10 100 0 C852 1 108 377 00 MYLAR 0 01 10 100
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