Sony HST-471, Service Manual

Page 1: ...chanism HCD GR8 RX90 Section Tape Transport Mechanism Type TCM 220WR2 SPECIFICATIONS Manufactured under license from Dolby Laboratories Licensing Corporation DOLBY and the double D symbol a are trademarks of Dolby Laboratories Licensing Corporation Continued on next page This set is the tunerdeck and amplifier section in SEN R4720 R5750 ...

Page 2: ...CASSETTE DECK RECEIVER 1 GENERAL Tuner Amp Section 3 Deck Section 3 2 MECHANICAL ADJUSTMENTS 4 3 ELECTRICAL ADJUSTMENTS 4 4 DIAGRAMS 4 1 Circuit Boards Location 8 4 2 Block Diagram 9 4 3 Schematic Diagram Deck Section 12 4 4 Printed Wiring Board Deck Section 15 4 5 Printed Wiring Board Main Section 17 4 6 Schematic Diagram Main Section 19 4 7 Schematic Diagram Display Section 23 4 8 Printed Wiring...

Page 3: ... CONTROL MODE CONTROL MODE TONE CENTER REAR WOOFER MASTER VOLUME WOOFER ON OFF VIDEO 1 VIDEO 2 TAPE CD TUNER PHONO SOUND FIELD 1 ROCK 2 POPS 3 CLASSIC 4 MOVIE 5 GAME DECK SECTION 0 DECK A DECK A p DECK A ª ª DECK A º DECK A DIRECTION DECK B DOLBY NR DECK B DUBBING SPEED HIGH NORMAL DECK B REC PAUSE REC MUTE REC DECK B 0 DECK B p DECK B ª DECK B DECK B ª DECK B ...

Page 4: ...n in this service manual As a general rule playback circuit adjustment should be completed before performing recording circuit adjustment 6 The adjustments should be performed for both L CH and R ch 7 Switches and controls should be set as follows unless otherwise specified 8 Set to test mode Press key switch same time SPECTRUM ANALYZER ENTER NEXT and EFFECT ON OFF button Test Tape Record Playback...

Page 5: ...mode Then at NORMAL speed mode 7 Adjust RV651 on the AUDIO board so that frequency counter reads 3 000 90Hz 8 Frequency difference between deckA and deck B the beginning of the tape should be within 1 5 Adjustment Location AUDIO board Sample Value of Wow and flutter W RMS JIS within 0 3 test tape WS 48B Playback level Adjustment DECK A DECK B Procedure Mode Playback FWD Deck A is RV311 L CH and RV...

Page 6: ...ustment the RV511 L CH and RV521 R CH on the main board to repeat steps 1 and 2 Adjustable limits CN207 PB level 47 3 to 53 1 mV 24 3 to 23 3 dB Adjustment Location main board MAIN BOARD Component Side AUDIO BOARD Conductor Side attenuator set CD IN connector L L CH R R CH 1 315 Hz 2 10 kHz 50 mV 23 8 dB 600 Ω blank tape CS 123 AF OSC rear panel set recorded portion level meter rear panel VIDEO1 A...

Page 7: ... 7 ...

Page 8: ...S 4 1 CIRCUIT BOARDS LOCATION DISPLAY BOARD TEN KEY BOARD SUB HP BOARD HP BAORD SECONDARY BOARD DECK A BOARD LEAF SWITCH BOARD AUDIO BOARD DECK B BOARD WOOFER BOARD POWER BOARD MAIN BOARD TUNER UNIT PRIMARY BOARD AC BOARD ...

Page 9: ...HST 471 4 2 BLOCK DIAGRAM 9 10 11 Signal path TUNER AUDIO PB DECK A PB DECK B REC DECK B CD VIDEO 1 AUDIO VIDEO 2 AUDIO ...

Page 10: ......

Page 11: ......

Page 12: ......

Page 13: ......

Page 14: ......

Page 15: ......

Page 16: ......

Page 17: ......

Page 18: ...ATT SERIAL BUS DECODER LATCH SCL SDA DIG GND OUT LEFT OUT RIGHT B OUT R B IN R B OUT L B IN L LOUD L LOUD R R TREBLE R TREBLE L A GND VS IN R N C N C L 1 2 3 4 5 6 7 8 9 10 GND MOTOR DRIVE NOISE FILTER CLAMP FWD IN REV IN VCC 1 VCC 2 NOISE FILTER MOTOR DRIVE MOTOR DRIVE MOTOR DRIVE T S D O C P FWD REV STOP CONTROL LOGIC Pin No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27...

Page 19: ... HIGH H HIGH HA12203NT TC BIAS H ON HA12203NT TC REC MUTE L ON HA12203NT PROTECTION IN Not used Ground S WOOFER RELAY H ON POWER switch push switch PHASE OUT L inverted Not used Ground Fluorescent display tube 26V Fluorescent display tube Pin Name POWER RY H P SENSE TC B PLAY TC A PLAY TAA HALF TC RELAY TC CAP M H L TC CAP M ON OFF TC TRG H L TC A B TC NORM HIGH TC BIAS TC REC MUTE PROTECTION IN N...

Page 20: ...W CASE 3 POINT 5 4 990 063 11 CASE 6 A 4398 323 A POWER BOARD COMPLETE AEP UK AUS 6 A 4398 351 A POWER BOARD COMPLETE E SP 7 1 665 242 11 WOOFER BOARD 8 3 905 609 01 SCREW TRANSISTOR 10 1 665 243 11 AC BOARD 11 1 575 653 11 CORD POWER E 11 1 690 608 11 CORD POWER AUS 11 1 751 520 11 CORD POWER UK 11 1 769 744 11 CORD POWER AEP SP 12 1 569 007 11 ADAPTOR CONVERSION 2P E 14 3 703 244 00 BUSHING 2104...

Page 21: ...248 11 SUB HP BOARD 62 4 951 620 01 SCREW 2 6X8 BVTP 63 1 665 249 11 TEN KEY BOARD 64 A 4398 322 A DISPLAY BOARD COMPLETE AEP UK 64 A 4398 350 A DISPLAY BOARD COMPLETE E SP AUS 65 4 929 973 01 SCREW CASE 3 POINT 66 1 665 253 11 DECK B BOARD 67 4 990 051 01 BUTTON 68 4 990 054 01 BUTTON TC B 69 3 931 427 01 BUTTON EJ 70 3 350 426 01 SPRING RING 71 4 980 107 01 KNOB VOL 72 1 665 251 11 DECK A BOARD ...

Page 22: ...R S REEL 365 3 917 141 01 SPRING COMPRESSION 366 X 3371 305 1 REEL T ASSY 367 3 669 465 01 WASHER 1 5 STOPPER 368 X 3370 173 1 TU ASSY 369 4 980 439 01 FULCRUM HOLDER 370 3 917 142 01 SPRING COMPRESSION 371 3 939 862 01 CLIP 372 A 2007 131 A AUDIO BOARD COMPLETE 373 3 930 972 01 DETENT HALF 374 3 354 963 01 DAMPER 375 3 354 957 01 JOINT LOCK LEVER 376 3 354 954 01 LEVER LOCK LEVER R 377 3 354 953 ...

Page 23: ...SSY 415 3 908 600 01 LEVER REV B 416 1 650 669 11 LEAF SWITCH BOARD 417 3 908 598 01 CAM B 418 X 3372 931 1 ARM B ASSY FR 419 3 914 111 01 SPRING FR TORSION 420 3 908 604 01 LEVER TRIGGER B 421 3 911 115 01 WASHER STOPPER 423 3 917 176 11 BELT B 424 X 3370 172 1 FLYWHEEL AF ASSY M1 A 2004 409 A MOTOR ASSY CAPSTAN M2 A 2004 410 A MOTOR ASSY DC TRIGGER 5 4 TAPE MECHANISM DECK SECTION 2 TCM 220WR2 C ...

Page 24: ...31 FUSE TIME LAG 2 5A TRANSISTOR Q901 8 729 119 78 TRANSISTOR 2SC2785 HFE Q902 8 729 209 15 TRANSISTOR 2SD2012 RESISTOR R901 1 249 425 11 CARBON 4 7K 5 1 4W F R902 1 249 437 11 CARBON 47K 5 1 4W R903 1 249 421 11 CARBON 2 2K 5 1 4W F R904 1 249 403 11 CARBON 68 5 1 4W F RELAY RY901 1 755 018 11 RELAY SWITCH S901 1 571 309 11 SWITCH VOLTAGE SELECTOR E SP TRANSFORMER T901 1 450 358 11 TRANSFORMER PO...

Page 25: ...CARBON 18K 5 1 4W R624 1 249 432 11 CARBON 18K 5 1 4W R625 1 249 429 11 CARBON 10K 5 1 4W R651 1 247 856 00 CARBON 11K 5 1 4W R652 1 247 856 00 CARBON 11K 5 1 4W R653 1 249 441 11 CARBON 100K 5 1 4W VARIABLE RESISTOR RV301 1 238 598 11 RES ADJ CARBON 2 2K RV311 1 238 598 11 RES ADJ CARBON 2 2K RV341 1 238 551 11 RES ADJ CARBON 220K RV401 1 238 598 11 RES ADJ CARBON 2 2K RV411 1 238 598 11 RES ADJ ...

Page 26: ...949 11 ELECT 220uF 20 35V C720 1 126 963 11 ELECT 4 7uF 20 50V C721 1 126 963 11 ELECT 4 7uF 20 50V C743 1 126 933 11 ELECT 100uF 20 10V CONNECTOR CN701 1 565 480 11 CONNECTOR BOARD TO BOARD 4P CN703 1 766 553 11 PLUG CONNECTOR 10P CN716 1 695 380 31 PIN CONNECTOR PC BOARD 19P E SP AUS CN716 1 695 392 31 PIN CONNECTOR PC BOARD 31P AEP UK CN722 1 695 380 31 PIN CONNECTOR PC BOARD 19P AEP UK CN722 1...

Page 27: ... R774 1 249 410 11 CARBON 270 5 1 4W F R775 1 249 427 11 CARBON 6 8K 5 1 4W F R776 1 249 410 11 CARBON 270 5 1 4W F R777 1 249 411 11 CARBON 330 5 1 4W R778 1 249 427 11 CARBON 6 8K 5 1 4W F R779 1 249 413 11 CARBON 470 5 1 4W F R780 1 249 441 11 CARBON 100K 5 1 4W R781 1 249 422 11 CARBON 2 7K 5 1 4W F R782 1 249 417 11 CARBON 1K 5 1 4W F R783 1 249 419 11 CARBON 1 5K 5 1 4W F R784 1 249 421 11 C...

Page 28: ...03 21 SWITCH TACTILE TUNING S725 1 554 303 21 SWITCH TACTILE BAND S726 1 554 303 21 SWITCH TACTILE PHONO S727 1 554 303 21 SWITCH TACTILE TUNER S728 1 554 303 21 SWITCH TACTILE CD S729 1 554 303 21 SWITCH TACTILE TAPE S730 1 554 303 21 SWITCH TACTILE VIDEO 2 S731 1 554 303 21 SWITCH TACTILE VIDEO 1 VIBRATOR X701 1 760 489 11 VIBRATOR CERAMIC 1MHz 1 665 247 11 HP BOARD 1 665 248 11 SUB HP BOARD CAP...

Page 29: ...FILM 0 15uF 5 50V C327 1 136 167 00 FILM 0 15uF 5 50V C328 1 126 962 11 ELECT 3 3uF 20 50V C329 1 136 167 00 FILM 0 15uF 5 50V C330 1 126 963 11 ELECT 4 7uF 20 50V C331 1 126 959 11 ELECT 0 47uF 20 50V C332 1 126 963 11 ELECT 4 7uF 20 50V C333 1 126 959 11 ELECT 0 47uF 20 50V C336 1 104 664 11 ELECT 47uF 20 25V C337 1 126 959 11 ELECT 0 47uF 20 50V C338 1 126 964 11 ELECT 10uF 20 50V C339 1 162 29...

Page 30: ...CTOR BOARD TO BOARD 12P DIODE D301 8 719 987 63 DIODE 1N4148M D951 8 719 001 71 DIODE UZL 12M1 TA D952 8 719 200 82 DIODE 11ES2 D953 8 719 200 82 DIODE 11ES2 D956 8 719 011 92 DIODE UZ 10BSB TA D957 8 719 200 82 DIODE 11ES2 D958 8 719 200 82 DIODE 11ES2 D959 8 719 200 82 DIODE 11ES2 D960 8 719 200 82 DIODE 11ES2 D963 8 719 001 33 DIODE UZL 11L1 D964 8 719 987 63 DIODE 1N4148M D965 8 719 987 63 DIO...

Page 31: ...N 22K 5 1 4W R226 1 247 840 00 CARBON 2 4K 5 1 4W R227 1 249 417 11 CARBON 1K 5 1 4W F R228 1 249 428 11 CARBON 8 2K 5 1 4W F R229 1 249 421 11 CARBON 2 2K 5 1 4W F R301 1 249 441 11 CARBON 100K 5 1 4W R302 1 249 417 11 CARBON 1K 5 1 4W F R303 1 249 435 11 CARBON 33K 5 1 4W R304 1 249 411 11 CARBON 330 5 1 4W R305 1 249 417 11 CARBON 1K 5 1 4W F R306 1 249 441 11 CARBON 100K 5 1 4W R307 1 247 807 ...

Page 32: ...7 11 CARBON 1K 5 1 4W F R997 1 249 421 11 CARBON 2 2K 5 1 4W F R998 1 249 421 11 CARBON 2 2K 5 1 4W F R999 1 249 437 11 CARBON 47K 5 1 4W VARIABLE RESISTOR RV511 1 241 630 11 RES ADJ CARBON 10K RV521 1 241 630 11 RES ADJ CARBON 10K TEST PIN TP511 1 691 574 31 PIN CONNECTOR PC BOARD 3P TP521 1 691 574 31 PIN CONNECTOR PC BOARD 3P VIBRATOR X301 1 579 952 21 VIBRATOR CERAMIC 8MHz A 4398 323 A POWER B...

Page 33: ...140 82 TRANSISTOR 2SA988 PAFAEA Q371 8 729 119 76 TRANSISTOR 2SA1175 HFE Q372 8 729 141 30 TRANSISTOR 2SC3623A LK Q373 8 749 010 25 IC MN2488 OPY M Q374 8 749 010 26 IC MP1620 OPY M Q375 8 729 140 82 TRANSISTOR 2SA988 PAFAEA Q471 8 729 119 76 TRANSISTOR 2SA1175 HFE Q472 8 729 141 30 TRANSISTOR 2SC3623A LK Q473 8 749 010 25 IC MN2488 OPY M Q474 8 749 010 26 IC MP1620 OPY M Q475 8 729 140 82 TRANSIS...

Page 34: ...5 1 249 429 11 CARBON 10K 5 1 4W R936 1 249 429 11 CARBON 10K 5 1 4W R937 1 249 417 11 CARBON 1K 5 1 4W F R938 1 249 427 11 CARBON 6 8K 5 1 4W F R939 1 247 807 31 CARBON 100 5 1 4W R940 1 249 425 11 CARBON 4 7K 5 1 4W F R941 1 247 807 31 CARBON 100 5 1 4W R942 1 249 425 11 CARBON 4 7K 5 1 4W F R953 1 249 425 11 CARBON 4 7K 5 1 4W F R954 1 249 437 11 CARBON 47K 5 1 4W R955 1 247 807 31 CARBON 100 5...

Page 35: ...93 381 11 TUNER UNIT AEP UK HP101 1 500 093 11 HEAD MAGNETIC PLAYBACK DECK A HRPE1011 500 094 11 HEAD MAGNETIC REC PB ERASE DECK B J901 1 526 794 11 OUTLET AC AEP UK SP AUS J901 1 526 882 00 OUTLET AC E M1 A 2004 409 A MOTOR ASSY CAPSTAN M2 A 2004 410 A MOTOR ASSY DC TRIGGER T902 1 431 224 11 TRANSFORMER POWER AEP UK AUS T902 1 431 225 11 TRANSFORMER POWER E SP ACCESSORIES PACKING MATERIALS 1 475 ...

Page 36: ...HST 471 56 Sony Corporation Home A V Products Company 9 960 973 11 97F1676 1 Printed in Japan 1997 6 Published by General Engineering Dept Shibaura ...