service manual compact disc deck receiver
Contents
1. 7 3 Front Panel Section 2 7 4 CD Cabinet Section 8 ELECTRICAL PARTS LIST A Notes on chip component replacement e Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may be dam aged by heat Flexible Circuit Board Repairing Keep the temperature of the soldering iron around 270 C dur ing repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be careful not to apply force on the conductor when soldering or unsoldering CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous ra diation exposure This appliance is classified as CLASS 1 LASER PRODUCT a CLASS 1 LASER product cass iecur CLASS 1 LASER PRODUCT MARKING is located on the rear exterior The following caution label is located inside the unit CAUTION INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKS DEFEATED AVOID EXPOSURE TO BEAM ADVARSEL USYNLIG LASERSTRALING VED BNING NAR SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION UNDGA UDSAETTELSE FOR STRALING VORSICHT UNSICHTBARE LASERSTRAHLUNG WENN ABDECKUNG GEOFFNET UND SICHEREITSVERRIEGELUNG UBERBRUCKT NICHT DEM STRAHL AUSSETZEN VARO AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALT TIINA NAKYM2. T102 AM Frequency Coverage Adjustment L103 J FM Tracking TC101 Adjustment MAIN BOARD Conductor Side JENE TP10 TP11 FM VT VT SECTION 6 DIAGRAMS 6 1 NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note on Printed Wiring Board Note on Schematic Diagram e ite indicates side identified with part number All capacitors are in uF unless otherwise noted pF uuF Pattern from the side which enables seeing 50 WV or less are not indicated except for electrolytics The other layers patterns are not indicated and tantalums All resistors are in and 4W or less unless otherwise specified nonflammable resistor e 1 panel designation Note The components identified by mark A or dotted line with mark A are critical for safety Replace only with part number specified m D Line e adjustment for repair Voltages are taken with a VOM Input impedance 10 MQ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path FM gt AM gt gt TAPE PLAY 2 RECORD E gt CD PLAY 13 HCD E301 e Circuit Boards Location MAIN board HEADPHONE board POWER board CASSETTE board DISPLAY board 13 HCD E301 6 2 SCHEM
3. Bias output for the crystal display drive VLC0 to VLC2 22 for doubler circuit capacitor connection to develop crystal display drive TUNER oO Power on off control signal output for the tuner section L power TAPE EJ Audio line muting on off control signal output L muting on CD oO Power on off control signal output for the CD section 17 power TIMER STATUS LED drive signal output of the TIMER indicator D619 L LED on ws CD RESET O Reset signal output to the CD section L reset SURROUND ol PLL CL O PLL serial data transfer cock signal output to the FM AM PLL O PLL seriat data output ne FMAM PLL ACIO OOOO GOGK O Serial data transfer clock signal output tothe LC7S392 DATA Seria data ouputto me LO7S392 00200 FM stereo detection signal input from LA1823 IC101 L stereo MUTE O Audio line muting on off control signal output H muting on PLLCE O PLL chip enable signal output to the FM AM PLL IC102 active L CE o Chip enable signal output to the LC75392 IC203 H active smssr ol 7 PSW System power on off control signal out H power on BASSBOOST O Mega bass on off selection signal output H mega bass on I CD lid open close detection switch SW600 input terminal L CD lid is closed Tr KEY RO to KEY R4 Main
4. C2 C2 2 1 CO CO PO PO 3 3 3 3 21 21 HCD E301 IC Block Diagrams MAIN Board IC101 LA1823 2 1 3 5 7 8 9 2 2 gt gt D D lt lt lt 102 LC72131 e Zg 2221 2019 16 5X143 42 PHASE DETECTOR CHARGE PUMP SWALLOW COUNTER 1 16 1 17 4BITS 12BITS PROGRAMMABLE DRIVER UNIVERSAL COUNTER 2881815 In 22 IC203 LC75392 DECODER REGISTER 4 CONTROL CASSETTE Board IC701 7312 22 HCD E301 6 11 IC PIN FUNCTION DESCRIPTION e DISPLAY BOARD 1C601 uPD753016AGC F31 3B9 SYSTEM CONTROLLER LIQUID CRYSTAL DISPLAY DRIVER Pin No 1 to 20 51210531 Segment drive signal output to the crystal display D621 21 to 24 COMO to COM3 Common drive signal output to the liquid crystal display D621 2 26 to 28 2 AJAT AI ARA 2 2 T RT RT 0 0 0 l 92 WT WT WT 9 DI AI SINI gt H A 5 5 O5 iS O xO 64 to 67 68 BIAS
5. 24 10 11 stop 26 8 9 PHONES jack VOLUME control 11 15 PRESET 12 10 11 REMAIN 4 9 P fast forward 12 II pause 14 12 13 p gt play 18 12 15 recording 13 4 rewind 17 12 WA stop eject 15 12 13 Remote Control CD REMAIN 3 8 9 13 15 CLOCK TIMER SLEEP SET 7 18 MEGA BASS 2 14 MUSIC MENU 20 14 PRESET 17 10 11 REPEAT 12 8 SHUFFLE 7 8 TAPE 19 12 TIMER ON OFF 13 15 TUNER BAND 5 10 13 15 TUNER MEM ENTER PGM 6 7 8 9 10 11 15 TUNING CLOCK TIMER 7 10 11 15 VOLUME 4 15 1 21 13114 S lal 65 N 9 N la BUTTON DESCRIPTIONS PP fast forward PPI go forward 10 8 9 44 co back 44 rewind 8 9 ll play pause 8 8 9 ID power 1 6 10 stop 9 8 9 HCD E301 Setting the time 1 Turn on the system 2 Press CLOCK TIMER SLEEP SET on the remote The clock indication appears Press TUNING CLOCK TIMER or on the remote repeatedly to set the time 4 Press ENTER PGM TUNER MEM ENTER PGM on the remote The clock starts working Tip If you made a mistake perform from step 2 To change the preset time Perform from step 2 Note The clock settings are canceled when you disconnect the power cord or if a power failure occurs HCD E301 SECTION 3 DISASSEMBLY e This set ca
6. 4 111 Ref No Part No Description Remark Ref No Part No Description 101 4 235 995 01 RUBBER FOOT 109 4 235 962 01 SKIP SEARCH KNOB 102 4 235 975 01 FRONT PANEL 110 4 235 943 01 MAIN PWB MOUNTING BKT B 103 A 4726 714 A HEADPHONE BOARD COMPLETE 111 A 4726 785 A DISPLAY BOARD COMPLETE 104 4 235 968 01 TAPE KEY CAP 112 4 235 965 01 SLIDE KNOB 105 4 235 946 01 FUNCTION KEY BKT 113 4 235 961 01 BASS SELECT KNOB 106 4 235 966 01 CD KEY CAP 114 4 235 964 01 PRESET UP DOWN KNOB 107 4 235 967 01 TUNER KEY CAP 115 4 235 994 01 PANEL FIXING PLATE 108 4 235 963 01 PLAY STOP KNOB 116 4 235 960 01 POWER KNOB 26 7 4 CD CABINET SECTION 159 151 Ref No Part No Description 151 4 235 971 01 PLASTIC COVER 152 4 236 280 01 RUBBER VIBRATION PROOF PINK 153 4 235 991 01 PULLEY SCREW 154 3 509 138 00 CLAMP SPRING 155 4 236 860 01 METAL COVER 156 156 4 235 948 01 DISC HOLDER BKT 157 1 471 144 11 MAGNET 158 4 236 545 01 CD LID 159 4 236 066 01 CD LID WINDOW Ref No 160 161 162 163 164 165 166 167 SW600 Part No 4 235 970 01 4 235 990 01 4 235 982 01 4 224 104 41 4 235 938 01 4 235 949 01 1 796 189 11 4 236 281 01 1 692 960 21 not supplied HCD E301 Ver 1 1 Description Remark NSX1 PUSH ROD CD EJECT SPRING CD LID SPRING DAMPER CD TRAY PU COVER MECH CD RUBBER VIBRATION PROOF BROWN SWITCH PUSH 1 KEY OPEN CLOSE 27 HCD E301 NOTE
7. e 41 313 S HEADPHONE BOARD R303 7 2 B mp TY SA SA SK CASSETTE O a pass R3 A BOARD Page 17 O7 WwW be 3 gl J312 C306 WI T kao 1 1 millia SPK301 a pe e re 2 2 niim d R310 70305 e 5 1309 G SPEAKER DISPLAY p 18 IMPEDANCE USE 40 R325 050 329 BOARD Page 18 1 Or H cur 5201 C310 C309 R268 0311 R324 d eum H 2 CAPSTAN REEL C307 x C326 4 R412 C322 C323 86086 216 T NS 1 R336 c 031 nmm A 4 C328 70304 C325 25 6 O 16 16 HCD E301 6 5 PRINTED WIRING BOARD CASSETTE Board See page 13 for Circuit Boards Location 6 6 SCHEMATIC DIAGRAM CASSETTE Board See page 21 for Waveforms See page 22 for IC Block Diagram 1 2 3 4 5 6 1 CASSETTE BOARD R712 56K R709 R711 56K C713 yo R720 REC IC701 R710 GND _ ALC REC PB AMP R708 PD MAIN ee ey BAUR SW701 4 6 REC PB REC n T ZI 7 C J HRPE701 I BOARD oe ee o LIC B D 0701 702 CN Wi CN201 o 50V MUTING jl 9V 67056 j Page 16 0702 UEM Page 15 HPRE701 f L 0 R716 Ie o REC PB ERAS
8. 0251 0301 0302 0303 0304 0305 0306 0307 0308 0309 0310 0311 0313 0314 0315 0317 Part No 1 162 290 31 1 102 962 00 1 102 962 00 1 127 872 11 1 126 935 11 1 126 960 11 1 126 960 11 1 127 888 11 1 127 888 11 1 127 888 11 1 127 888 11 1 127 888 11 1 127 888 11 1 126 963 11 1 126 963 11 1 126 961 11 1 126 961 11 1 130 478 00 1 130 478 00 1 130 488 00 1 130 488 00 1 136 293 11 1 136 293 11 1 130 477 00 1 130 477 00 1 162 285 31 1 162 285 31 1 130 491 00 1 130 491 00 1 162 199 31 1 162 199 31 1 126 935 11 1 126 935 11 1 130 475 00 1 126 963 11 1 126 963 11 1 162 294 31 1 162 294 31 1 126 959 11 1 126 959 11 1 130 475 00 1 126 964 11 1 130 491 00 1 130 471 00 1 130 471 00 1 104 660 11 1 104 660 11 1 130 497 00 1 130 497 00 1 104 665 11 1 104 665 11 1 126 767 11 1 126 767 11 1 127 888 11 1 126 941 11 1 104 666 11 1 126 964 11 1 161 494 00 Description CERAMIC CERAMIC CERAMIC CERAMIC ELECT ELECT ELECT CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC ELECT ELECT ELECT ELECT MYLAR MYLAR MYLAR MYLAR MYLAR MYLAR MYLAR MYLAR CERAMIC CERAMIC MYLAR MYLAR CERAMIC CERAMIC ELECT ELECT FILM ELECT ELECT CERAMIC CERAMIC ELECT ELECT FILM ELECT FILM MYLAR MYLAR ELECT ELECT MYLAR MYLAR ELECT ELECT ELECT ELECT CERAMIC ELECT ELECT ELECT CERAMIC ATOPF 30PF 30PF 4700PF 470uF uF 0 1uF 0 1uF 0 1uF
9. C727 1 161 494 00 CERAMIC 0 022uF 25V R719 1 249 426 11 CARBON 5 6K 5 1 4W C728 1 126 964 11 ELECT 10uF 20 50V R720 1 249 426 11 CARBON 5 6K 5 1 4W C729 1 130 487 00 MYLAR 0 022uF 5 50V R721 1 249 429 11 CARBON 10K 5 1 4W C730 1 130 481 00 MYLAR 0 0068uF 5 50V R722 1 249 429 11 CARBON 10K 5 1 4W C731 1 162 282 31 CERAMIC 100PF 10 50V R 23 1 247 893 11 CARBON 390K 5 1 4W C732 1 162 282 31 CERAMIC 100PF 10 50V R724 1 249 441 11 CARBON 100K 5 1 4W R725 1 249 411 11 CARBON 330 5 1 4W lt CONNECTOR gt R726 1 249 437 11 CARBON 47K 5 1 4W R727 1 249 430 11 CARBON 12K 5 1 4W CN701 1 695 645 11 PLUG CONNECTOR R728 1 249 437 11 CARBON 47K 5 1 4W lt DIODE gt R729 1 249 437 11 CARBON 47K 5 1 4W R730 1 249 437 11 CARBON 47K 5 1 4W D701 8 719 991 33 DIODE 1N4148TP R731 1 247 847 11 CARBON 4 7K 5 1 4W D702 8 719 991 33 DIODE 155133 77 732 1 249 411 11 CARBON 330 5 1 4W 28 Ref No R733 R734 R735 R736 SW701 T701 C602 C605 C606 C613 C614 C619 C620 C621 C639 C652 C654 C664 C665 C666 C667 D11 D12 D13 D14 D15 D16 D17 D16 D19 D601 D602 D604 D607 D608 D609 D610 D611 D612 D613 D614 Part No 1 249 429 11 1 249 437 11 1 249 435 11 1 249 396 11 1 786 225 11 1 424 875 11 A 4726 785 A 4 235 945 01 4 235 973 01 4 236 071 01 4 236 072 01 7 685 534 14 1 126 514 11 1 126 916 11 1 126 791 11 1 102 516 11 1 102 960 00 1 164 159 11 1 164 159 11 1 126 382
10. HCD E301 3 6 TAPE MECHANISM DECK TCM125 2 two screws BTP2 6 x 6 connector CN701 two screws BVTP3 x 10 lt gt tape mechanism deck TCM125 2 cassette board two screws BVTP3 x 10 SS Open the cassette lid 3 7 CASSETTE LID Open the cassette lid cassette lid HCD E301 SECTION 4 MECHANICAL ADJUSTMENTS PRECAUTION 1 Clean the following parts with a denatured alcohol moistened swab record playback head pinch roller erase head rubber belts capstan idlers 2 Demagnetize the record playback head with a head demagne tizer Do not bring the head magnetizer close to the erase head Do not use a magnetized screwdriver for the adjustments 4 After the adjustments apply suitable locking compound to the parts adjusted 5 The adjustments should be performed with the rated power supply voltage unless otherwise noted Torque Measurement Torque Meter Meter Reading 2 95 6 86 mNem CQ 102C 30 70 gecm 0 42 0 97 ozeinch Back Tension 0 15 5 39 mNem CQ 102C 1 5 5 5 gecm 0 021 0 076 ozeinch more than 5 89 mNem FF CQ 201B more than 60 gecm more than 0 83 ozeinch more than 5 89 mNem more than 60 gecm more than 0 83 ozsinch CQ 201B Meter Reading more than 100 g more than 3 53 oz FWD CQ 403A 10 SECTION 5 ELECTRICAL ADJUSTMENTS PRECAUTION 1 Setting MEGA
11. 1 162 286 31 CERAMIC 220PF 10 50V Q705 8 729 194 57 TRANSISTOR 2SC945 P C707 1 104 665 11 ELECT 100uF 20 10V C708 1 104 665 11 ELECT 100uF 20 10V Q706 8 729 116 82 TRANSISTOR 29D1616 L C709 1 164 159 11 CERAMIC 0 1uF 50V C710 1 164 159 11 CERAMIC 0 1uF 50V lt RESISTOR gt C711 1 126 964 11 ELECT 10uF 20 50V R 01 1 249 393 11 CARBON 10 5 1 4W C712 1 126 964 11 ELECT 10uF 20 50V R702 1 249 393 11 CARBON 10 5 1 4W C713 1 126 960 11 ELECT 1uF 20 50V R703 1 249 434 11 CARBON 21K 5 1 4W C714 1 126 960 11 ELECT 1uF 20 50V R 04 1 249 434 11 CARBON 21K 5 1 4W C715 1 126 956 11 ELECT 0 1uF 20 50V 705 1 249 433 11 CARBON 22K 5 1 4W C716 1 126 956 11 ELECT 0 1uF 20 50V R 06 1 249 433 11 CARBON 22K 5 1 4W C717 1 130 473 00 MYLAR 0 0015uF 5 50V R707 1 249 418 11 CARBON 1 2K 5 1 4W C718 1 130 473 00 MYLAR 0 0015uF 5 50V R708 1 249 418 11 CARBON 1 2K 5 1 4W C719 1 126 964 11 ELECT 10uF 20 50V R709 1 249 413 11 CARBON 470 5 1 4W C720 1 104 664 11 ELECT 47uF 20 10V R710 1 249 413 11 CARBON 470 5 1 4W C721 1 126 935 11 ELECT 470uF 20 16V R711 1 249 438 11 CARBON 56K 5 1 4W C722 1 161 494 00 CERAMIC 0 022uF 25V R712 1 249 438 11 CARBON 56K 5 1 4W C723 1 128 551 11 ELECT 22uF 20 25V R713 1 249 433 11 CARBON 22K 5 1 4W C724 1 161 494 00 CERAMIC 0 022uF 25V R 14 1 249 433 11 CARBON 22K 5 1 4W C725 1 130 476 00 MYLAR 0 0027uF 5 50V 715 1 249 429 11 CARBON 10K 5 1 4W C726 1 162 288 31 CERAMIC 330PF 10 50V R716 1 249 429 11 CARBON 10K 5 1 4W
12. 11 1 164 159 11 1 126 791 11 1 161 494 00 1 164 159 11 1 164 159 11 1 164 159 11 1 164 159 11 8 719 085 51 8 719 085 51 8 719 085 51 8 719 085 51 8 719 085 51 8 719 085 51 8 719 085 51 8 719 085 51 8 719 085 51 8 19 991 33 8 19 991 33 8 19 991 33 8 19 991 33 8 19 991 33 8 19 991 33 8 19 991 33 8 19 991 33 8 19 991 33 8 19 991 33 8 19 991 33 Description CARBON CARBON CARBON CARBON lt SWITCH gt 10K 47K 33K 18 5 5 5 5 SWITCH PUSH 1 KEY REC PB lt COIL gt COIL OSC K KKK KK KK DISPLAY BOARD COMPLETE KOK K K K K K K K K K KK K K K K K K K K K K K LED amp REMOTE SENSOR HOLDER LCD REFLECTOR LCD DIFFUSE SHEET LED DIFFUSE SHEET SCREW BTP 2 6X8 TYPE2 N S lt CAPACITOR gt ELECT ELECT ELECT CERAMIC CERAMIC CERAMIC CERAMIC ELECT CERAMIC ELECT CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC lt DIODE LIQUID CRYSTAL DISPLAY gt 22uF 1000uF 10uF 27PF 24PF 0 1uF 0 1uF 100uF 0 1uF 10uF 0 022uF 0 1uF 0 1uF 0 1uF 0 1uF 20 20 20 5 5 20 20 LED LED LED LED LED LED LED LED LED DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE L934SGC B LCD BACK LIGHT L934SGC B LCD BACK LIGHT L934SGC B LCD BACK LIGHT L934SGC B LCD BACK LIGHT L934SGC B LCD BACK LIGHT L934SGC B LCD BACK LIGHT L934SGC B LCD BACK LIGHT L934SGC B LCD BACK LI
13. 3 4 236 194 01 EMBLEM BADGE 10 4 235 995 01 RUBBER FOOT 5 A 4726 786 A MAIN BOARD COMPLETE 11 4 235 944 01 POWER PWB MOUNTING A6 1 555 750 00 CORD POWER EURO PLUG 12 A 4726 715 A POWER BOARD COMPLETE 7 4 235 974 01 CAB ANTENNA COVER NTR401 1 437 463 11 TRANSFORMER POWER 24 7 2 FRONT PANEL SECTION 1 56 51 Part No 4 235 953 01 4 235 950 01 4 235 939 01 4 236 068 01 4 224 104 41 4 236 067 01 4 236 546 01 4 235 940 01 4 235 981 01 4 235 941 01 4 235 942 01 Front panel section 2 Description Remark VOL SWING KNOB SWING SHAFT VOL DECORATION RING DISPLAY WINDOW DAMPER CASS LID WINDOW CASS LID CASS LID BKT CASS LID SPRING MAIN PWB MOUNTING BKT A CASS PWB MOUNTING BKT A 72 71 Part No A 4726 711 A 4 235 947 01 1 796 190 11 4 235 951 01 4 235 989 01 4 235 954 01 4 235 955 01 4 235 956 01 4 235 957 01 4 235 958 01 4 235 959 01 77 NP ns 4 Hay 70 69 68 HCD E301 not supplied 67 Description Remark CASSETTE BOARD COMPLETE CASS PWB MOUNTING BKT B DECK MECH TAPE VOL SWING LEVER VOLUME KNOB SPRING CASS KEY PAUSE CASS KEY STOP EJECT CASS KEY FF REW CASS KEY PLAY CASS KEY REC 25 HCD E301 7 3 FRONT PANEL SECTION 2 116 106 107 lt 2 not supplied gt 1 1 1 1 1 gt 1 2 2 24 2 2 2 2 1 1 2 Lal 1 24 2 1 2 gt 1
14. 33K 3 9K 3 9K 33K 27K 27K 5 6K 5 6K 8 2K 8 2K 10K 10K 27K 27K 27K 27K 22K 22K 82K 82K 47K 6 8K 8 2K 8 2K 10 3 3K 3 3K 6 8K 47K 2 2K 2 2K 3 3K 3 3K 47K 47K 100K 10K 10K 10K Remark 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W Ref No R258 R262 R263 R264 R265 R266 R267 R268 R269 R301 R302 R303 R304 R308 R309 R310 R311 R312 R313 R315 R316 R317 R318 R320 R321 R322 R323 R324 R325 R327 R328 R329 R330 R331 R333 R334 R335 R336 SPK301 1102 1103 TC101 TC102 X101 X102 ZD103 ZD302 Part No 1 247 855 11 1 249 437 11 1 249 437 11 1 249 422 11 1 249 422 11 1 249 430 11 1 249 430 11 1 249 429 11 1 249 417 11 1 249 437 11 1 249 437 11 1 249 425 11 1 249 425 11 1 249 410 11 1 249 410 11 1 249 385 11 1 249 385 11 1 249 393 11 1 247 791 11 1 249 437 11 1 249 417 11 1 247 883 00 1 249 399 11 1 249 437 11 1 249 414 11 1 249 441 11 1 249 425 11 1 249 441 11 1 249 441 11 1 249 416 11 1 249 429 11 1 249 409 11 1 249 409 11 1 249 429 11 1 260 064 11 1 249 437 11 1 249 429 11 1 249 429 11 1 53
15. Due to standardization replacements in the parts list may be different from the parts speci fied in the diagrams or the components used on the set SECTION 8 ELECTRICAL PARTS LIST Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when order ing these items The components identified by mark A or dotted line with mark A are critical for safety Replace only with part number specified e XX and X mean standardized parts so they e SEMICONDUCTORS may have some difference from the original In each case u u for example uA pA UPA HPA number please include the board RESISTORS uPB uPB uPC UPC All resistors are in ohms uPD uPD METAL Metal film resistor e CAPACITORS METAL OXIDE Metal oxide film resistor uF uF F nonflammable e COILS uH WH Ref No Part No Description Remark Ref No Part No Description Remark A 4726 711 A CASSETTE BOARD COMPLETE K K K K K K K K K K K K K K lt IC gt lt CAPACITOR gt IC701 6 700 579 01 IC AN7312 C701 1 130 474 00 FILM 0 0018uF 5 50V lt TRANSISTOR gt C702 1 130 474 00 FILM 0 0018uF 5 50V C703 1 130 495 00 MYLAR 0 1uF 5 50V Q701 8 729 194 57 TRANSISTOR 2SC945 P C704 1 130 495 00 MYLAR 0 1uF 5 50V 0702 8 29 194 57 TRANSISTOR 2SC945 P C705 1 162 286 31 CERAMIC 220PF 10 50V Q703 8 729 194 57 TRANSISTOR 2SC945 P Q704 8 729 194 57 TRANSISTOR 2SC945 P C706
16. K SCREW BTP 2 6X8 TYPE2 N S SCREW BVTP 3X10 TYPE2 SLIT SCREW K 3X5 SCREW BTP 2 6X10 TYPE2 N S SCREW BVTP 3X12 TYPE2 SLIT SCREW BTP 2X6 TYPE2 N S FIBER WASHER 3 3 SMALL SCREW KTP 2 6X6 TYPE2NON SLIT STOP RING 3 0 TYPE E SCREW BTP 2 6X6 TYPE2 N S SCREW PTPWH 2 6X10 The components identified by mark or dotted line with mark A are critical for safety Replace only with part number specified MEMO HCD E301 35 HCD E301 REVISION HISTORY Clicking the version allows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page E WM mua of Revision 2002 10 of CD CABINET SECTION on EXPLODED VIEWS EE 02099
17. system clock input terminal 6 MHz I Key return signal input from the key matrix L input when key pressing CPU RESET I System reset signal input from the reset signal generator IC603 L reset For several hundreds msec after the power supply rises L is input then it changes to 69 to 80 50 to S11 oO Segment drive signal output to the liquid crystal display D621 23 HCD E301 NOTE XX and X mean standardized parts so they may have some difference from the original one Color Indication of Appearance Parts Example SECTION 7 EXPLODED VIEWS Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items The mechanical parts with no reference num ber in the exploded views are not supplied The components identified by mark A or dotted line with mark A are critical for safety Replace only with part number specified KNOB BALANCE WHITE RED T T Hardware mark list and accessories and packing materials are given in the last of the electrical parts list Parts Color Cabinet s Color 7 1 CABINET SECTION CD cabinet section 1 Front panel section Ref No Part No Description Remark Ref No Part No Description Remark 1 3 451 162 00 WASHER 8 1 823 170 11 CORD WITH CONNECTOR FM ANT 2 4 235 952 01 CORD HOLDER 9 4 235 972 01 REAR CABINET
18. 0 1uF 0 1uF 0 1uF 4 7uF 4 7uF 2 2uF 2 2uF 0 0039uF 0 0039uF 0 027uF 0 027uF 0 0082uF 0 0082uF 0 0033uF 0 0033uF 180PF 180PF 0 047uF 0 047uF 10PF 10PF 470uF 470uF 0 0022uF 4 7uF 4 7uF 0 001uF 0 001uF 0 47uF 0 47uF 0 0022uF 10uF 0 047uF 0 001uF 0 001uF 47uF 47uF 0 15uF 0 15uF 100uF 100uF 1000uF 1000uF 0 1uF 470uF 220uF 10uF 0 022uF 10 5 5 10 20 20 20 10 10 10 10 10 10 20 20 20 20 5 5 5 5 5 5 5 5 10 10 5 5 5 5 20 20 5 20 20 10 10 20 20 5 20 5 5 5 20 20 5 5 20 20 20 20 10 20 20 20 Remark 50V 50V 50V 50V 16V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 16V 16V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 16V 16V 50V 50V 25V 25V 16V 16V 50V 25V 25V 50V 25V X X Ref No C319 C320 0321 0322 0323 0325 0326 0327 0328 0329 0330 0331 0409 CN101 CN201 CN202 CN203 CN204 CN301 CN302 D101 D102 D103 D104 D105 D302 D303 D306 D307 D308 D310 D311 D312 D314 D316 D317 F101 F102 F103 C101 10102 1203 10301 L101 L103 L104 L106 Part No 1 126 961 11 1 126 961 11 1 126 961 11 1 126 933 11 1 161 494 00 1 126 964 11 1 126 933 11 1 161 494 00 1 104 664
19. 100 F102 ES MAIN BOARD 1 R139 TC102 q 0105 0136 132 C155 C140 R131 ANTENNA D101 D102 L106 l CO O gt B B B G G F 6 H G H H F F F H CO ANT101 POWER BOARD CN402 Page 21 B 9 FM ANT a S 2 750 Omen a Com anaa inc a J109 N C T HAL T 5 G 5 8 89 un df o a eu LS fe seers LO co 0 1 gt 52288 Lu P101 1 HA WW eer E A 1 E es mf 7 R 5 D 1 T J215 gt J ii Us 8 ib Ji c 4 ee E 4 J15 ESA SUPPLIED AS THE J218 5 S mr md J116 D 4 ASSEMBLED BLOCK 5 c E 8 100 0217 c d 5 F A E 9 BLOCK a 2 3 J216 F 5 H gt 0152 R15 0150 F 6 C155 1 H 6 KUL F i C DISPLAY H 7 R206 i 4 amp TES BOARD 02 H 7 1 BA 18 G 8 n gt oe par H 7 R245 R229 R225 6 1203 d ed Page 18 S C238 4 5 0 6 C250 1 R251 x Mada 5117 0302 o NA F H 6 F 8502 U R301 H NG R252 G 7 5
20. 11 1 127 888 11 1 126 933 11 1 104 665 11 1 126 944 11 1 564 710 11 1 564 711 11 1 695 645 11 1 564 711 11 1 564 711 11 1 565 731 11 1 564 711 11 8 19 991 33 8 19 991 33 8 719 070 77 8 719 070 77 8 719 085 35 8 19 991 33 8 19 991 33 8 19 991 33 8 19 991 33 8 19 991 33 8 19 991 33 8 19 991 33 8 19 991 33 8 19 991 33 8 19 991 33 8 19 991 33 1 60 393 11 1 95 397 11 1 234 704 11 6 700 580 01 8 759 584 70 0 759 473 59 8 759 246 03 1 414 142 11 1 424 880 11 1 424 879 11 1 408 801 21 HCD E301 Description ELECT 2 2uF ELECT 2 2uF ELECT 2 2uF ELECT 100uF CERAMIC 0 022uF ELECT 10uF ELECT 100uF CERAMIC 0 022uF ELECT 47uF CERAMIC 0 1uF ELECT 100uF ELECT 100uF ELECT 3300uF lt CONNECTOR gt PIN CONNECTOR SMALL TYPE 8P PIN CONNECTOR SMALL TYPE 9P PLUG CONNECTOR 4P PIN CONNECTOR SMALL TYPE 9P PIN CONNECTOR SMALL TYPE 9P 20 20 20 20 20 20 20 10 20 20 20 PLUG CONNECTOR 2 5MM 5P PIN CONNECTOR SMALL TYPE 9P lt DIODE gt DIODE DIODE DIODE DIODE DIODE 155133 77 155133 77 SVC201SPA M1 AC SVC201SPA M1 AC SVC348T DIODE DIODE DIODE DIODE DIODE 155133 77 155133 77 155133 77 155133 77 155133 77 DIODE DIODE DIODE DIODE DIODE 155133 77 155133 77 155133 77 155133 77 155133 77 DIODE 155133 77 lt FILTER gt FILTER CERAMIC 10 7MHz FILTER CERAMIC 450kHz FILTE
21. 11 1 570 472 11 1 570 472 11 1 570 472 11 1 570 472 11 1 570 472 11 1 570 472 11 1 570 472 11 1 570 472 11 1 570 472 11 1 570 472 11 1 570 472 11 1 570 472 11 1 570 472 11 1 570 472 11 1 554 088 00 1 554 088 00 1 786 224 11 Description Remark CARBON 1K 5 1 4W CARBON 47K 5 1 4W CARBON 22K 5 1 4W CARBON 22K 5 1 4W CARBON 22K 5 1 4W CARBON 47K 5 1 4W CARBON 47K 5 1 4W CARBON 47K 5 1 4W CARBON 220 5 1 4W CARBON 47K 5 1 4W CARBON 10K 5 1 4W CARBON 10K 5 1 4W CARBON 10K 5 1 4W CARBON 47K 5 1 4W lt C gt IC RPM6938 REMOTE CONTROL RECEIVER lt SWITCH gt SWITCH KEY BOARD SWITCH KEY BOARD REPEAT SWITCH KEY BOARD SHUFFLE SWITCH KEY BOARD TUNER MEM ENTER PGM SWITCH KEY BOARD PRESET SWITCH KEY BOARD PRESET SWITCH KEY BOARD TUNING gt SWITCH KEY BOARD SWITCH KEY BOARD TUNING 4 lt a SWITCH KEY BOARD PAI SWITCH KEY BOARD REMAIN CD SWITCH KEY BOARD TAPE SWITCH KEY BOARD TUNER SWITCH KEY BOARD MUSIC MENU SWITCH KEY BOARD MEGA BASS SWITCH KEY BOARD VOLUME SWITCH KEY BOARD VOLUME SW SLIDE MONO STEREO ISS lt VIBRATOR gt 1 795 398 11 VIBRATOR CRYSTAL 6MHz K K K K KK KK KK K K K K 4726 714 1 815 813 11 1 249 408 11 1 249 408 11 HEADPHONE BOARD COMPLETE KOK K K K K K K K K K KK K K K K K K K K K K K K K K lt JACK gt JACK LARGE TYPE PHONES
22. 215S CD AA COM1 23 COM2 4 COM3 BIAS D VICO VLC1 VLC2 TUNER TAPE cD VSS 0 PLL CL 37 PLL DI 1N4148TP 0604 1 4148 8 RDSCL RDSDA PLLCE A PLLDI MAIN PLLCL BOARD STOUT 1 2 SIG CN101 ST Page 14 1 1N4148TP P A N MONO STEREO ST MONO 0 Q Q L601 100uH C619 0 1 530 See page 21 for Waveform 0621 LIQUID CRYSTAL DISPLAY 35 SURROUND TUNER SD tons ns RDS CLOCK SW631 2 1 52 TIMER STATUS gt ge E Ic c 16601 SYSTEM CONTROLLER LIQUID CRYSTAL DISPLAY DRIVER CD SW uPD753016AGC F31 3B9 lt IC601 MEGA BASS BASS BOOST DPSW2 SLEND TU SW LED V GND un 2 MAIN BOARD 2 2 9 10 11 12 13 14 15 16 17 t8 19 20 21 22 23 x 24 20 19 18117 1 is 14 13 12 1 10 O O O O O O O O O D CMM lt eo SYNC 9 DBBS x I w lt C3 lO olola O O MAIN BOARD 2 2 CN204 Page 15 19 10603 RESET SIGNAL GENERATOR SW601 IC603 P5290 6V 22K R618 SW60
23. 407 D408 D409 D411 D412 D413 D414 A F401 F402 Q401 Q402 Q403 Q404 R402 R403 R404 R405 R410 R411 HCD E301 Part No Description Remark 20304 8 719 110 17 DIODE RD10ESB2 20305 8 719 109 93 DIODE RD6 2ESB2 A 4726 715 A POWER BOARD COMPLETE 1 533 217 31 HOLDER FUSE lt CAPACITOR gt 1 101 005 00 CERAMIC 22000PF 50V 1 101 005 00 CERAMIC 22000PF 50V 1 101 005 00 CERAMIC 22000PF 50V 1 101 005 00 CERAMIC 22000PF 50V 1 126 943 11 ELECT 2200uF 20 25V 1 126 935 11 ELECT 470uF 20 16V 1 126 960 11 ELECT 1uF 20 50V 1 126 942 61 ELECT 1000uF 20 25V 1 104 664 11 ELECT 47uF 20 25V 1 104 664 11 ELECT 47uF 20 25V 1 113 889 11 CERAMIC 0 001uF 10 250V lt CONNECTOR gt 1 573 457 11 PLUG CONNECTOR 6P lt DIODE gt 8 719 077 63 DIODE 1N5402 8 719 077 63 DIODE 1N5402 8 719 077 63 DIODE 1N5402 8 719 077 63 DIODE 1N5402 8 719 200 02 DIODE 10E2 8 719 200 02 DIODE 10E2 8 719 200 02 DIODE 10E2 8 719 200 02 DIODE 10E2 8 719 991 33 DIODE 1SS133T 77 8 719 200 02 DIODE 10E2 8 719 200 02 DIODE 10E2 8 719 200 02 DIODE 10E2 8 719 200 02 DIODE 10E2 lt FUSE gt 1 533 470 FUSE GLASS TUBE DIA 5 T3 15AL 250V 1 533
24. 468 FUSE GLASS TUBE DIA 5 T2AL 250V lt TRANSISTOR gt 8 729 820 24 TRANSISTOR 2563330 8 729 116 82 TRANSISTOR 2SD1616 L 8 729 119 76 TRANSISTOR 2SA1175 HFE 8 729 116 82 TRANSISTOR 2SD1616 L lt RESISTOR gt 1 247 839 11 CARBON 2 2K 5 1 4W 1 249 441 11 CARBON 100K 5 1 4W 1 249 393 11 CARBON 10 5 1 4W 1 249 421 11 CARBON 2 2K 5 1 4W 1 249 410 11 CARBON 2 0 5 1 4W 1 249 393 11 CARBON 10 5 1 4W 1 216 478 11 METAL OXIDE 390 5 JW F A R412 33 HCD E301 Ref No Part No ARL401 1 55 446 11 ATR402 1 437 462 11 20401 8 719 109 97 Description Remark lt RELAY gt RELAY lt TRANSFORMER gt TRANSFORMER POWER lt DIODE gt DIODE RD6 8ES B2 KK K K K K K K K K A6 1 555 750 00 8 1 823 170 11 64 1 796 190 11 157 1 471 144 11 166 1 796 199 11 SW600 1 692 960 21 ATR401 1 437 463 11 MISCELLANEOUS KOK K K K K K K K K K K K K CORD POWER CORD WITH CONNECTOR FM ANT DECK MECH MAGNET MECH CD SWITCH PUSH 1 KEY OPEN CLOSE TRANSFORMER POWER gt gt K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K 1 7 685 534 14 2 7 685 647 14 3 7 682 246 04 4 7 685 535 14 9 7 685 648 14 6 7 685 504 19 7 623 916 21 8 7 685 233 19 9 7 624 106 04 10 7 685 533 19 11 7 685 135 19 34 HARDWARE LIST KOK K K K K K K K K K K K
25. 47 R248 R249 R250 R251 R252 R253 R254 R255 R256 R257 Part No 1 249 421 11 1 249 426 11 1 249 417 11 1 249 410 11 1 249 437 11 1 249 441 11 1 249 429 11 1 249 441 11 1 249 429 11 1 249 427 11 1 249 409 11 1 249 429 11 1 249 441 11 1 249 441 11 1 249 417 11 1 249 417 11 1 249 417 11 1 249 435 11 1 249 424 11 1 249 424 11 1 249 435 11 1 249 434 11 1 249 434 11 1 249 426 11 1 249 426 11 1 249 428 11 1 249 428 11 1 249 429 11 1 249 429 11 1 249 434 11 1 249 434 11 1 249 434 11 1 249 434 11 1 249 433 11 1 249 433 11 1 249 440 11 1 249 440 11 1 249 437 11 1 249 427 11 1 249 428 11 1 249 428 11 1 249 393 11 1 247 843 11 1 247 843 11 1 249 427 11 1 249 437 11 1 249 421 11 1 249 421 11 1 247 843 11 1 247 843 11 1 249 437 11 1 249 437 11 1 249 441 11 1 249 429 11 1 249 429 11 1 249 429 11 1 249 417 11 Description CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON 2 2K 5 6K 1K 270 47 100 10 100 10 6 8 220 10K 100K 100K 1K 1K 1K
26. 5M 1N4148TP s 0614 1N4148TP x 0615 1N4148TP p REMOTE CONTROL RECEIVER REM601 RPM6938 Q602 POWER ON OFF SWITCH 19 D612 1N4148TP 47K 47K R608 R609 SW609 5 SW607 6V gt TUNING 1 Rd R638 led 44 47K Me wom SW611 SW612 SW613 sweos TAPE TUNER SW621 SW622 SW610 j VOLUME SW605 SW606 PRESET SW604 TUNER MEM ENTER PGM SW602 REPEAT SW603 IC602 D611 1N4148TP TC4094BF 35 3 74 D610 1N4148TP ss 149 3 0609 1N4148TP C620 C621 100 0 1 10V KEY CONTROL D13 L934SGC B D12 011 L934SGC B L934SGC B D15 L934SGC B 014 180 L934SGC B L934SGC B D18 R421 D19 D17 180 1934SGC B L934SGC B D11 19 LCD BACK LIGHT Voltages and waveforms are dc with respect to ground under no signal detuned conditions no mark TUNER FM AM CD PLAY TAPE PLAY RECORD HCD E301 HCD E301 6 9 SCHEMATIC DIAGRAM POWER Board Q404 6V REGULATOR 6 2 6 7R411 10 L 2501616 410 270 C419 C418 70401 C415 47 470 25V 24 6 8 16V DC_15V pp GND ie m 7 iP MAIN BOARD DC 2Y OT s B E 2 2 PSW 25V CN304 SB_6V Page 15 C410 m 2200 25V 1 20 R404 TR402 D413 POWER
27. 7 238 11 1 424 877 11 1 424 876 11 1 141 304 21 1 141 227 00 1 795 396 11 1 577 126 11 8 719 921 42 8 719 110 17 Description Remark CARBON 10K 5 1 4W CARBON 47K 5 1 4W CARBON 47K 5 1 4W CARBON 2 1K 5 1 4W CARBON 2 1K 5 1 4W CARBON 12K 5 1 4W CARBON 12K 5 1 4W CARBON 10K 5 1 4W CARBON 1K 5 1 4W CARBON 47K 5 1 4W CARBON 47K 5 1 4W CARBON 4 7K 5 1 4W CARBON 4 7K 5 1 4W CARBON 2 0 5 1 4W CARBON 2 0 5 1 4W CARBON 2 2 5 1 6W CARBON 2 2 5 1 6W CARBON 10 5 1 4W CARBON 22 5 1 4W CARBON 47K 5 1 4W CARBON 1K 5 1 4W CARBON 150K 5 1 4W CARBON 33 5 1 4W CARBON 47K 5 1 4W CARBON 560 5 1 4W CARBON 100K 5 1 4W CARBON 4 7K 5 1 4W CARBON 100K 5 1 4W CARBON 100K 5 1 4W CARBON 820 5 1 4W CARBON 10K 5 1 4W CARBON 220 5 1 4W CARBON 220 5 1 4W CARBON 10K 5 1 4W CARBON 1 5 1 2W CARBON 47K 5 1 4W CARBON 10K 5 1 4W CARBON 10K 5 1 4W lt TERMINAL gt TERMINAL BOARD SPEAKER lt COIL gt COIL AM OSC COIL AM lt TRIMMER gt CAP TRIMMER 10PF CAP TRIMMER 20PF lt DISCRIMINATOR VIBRATOR gt DISCRIMINATOR CERAMIC 10 7 2 VIBRATOR CRYSTAL 7 2MHz DIODE DIODE MIZJ 5 1A DIODE RD10ESB2 The components identified by mark A or dotted line with mark A are critical for safety Replace only with part number specified Ref No C402 C404 C406 C408 C410 C415 C416 C417 C418 C419 A C421 CN402 D401 D402 D403 D404 D405 D406 D
28. ATIC DIAGRAM MAIN Board 1 2 3 FM FREQUENCY COVERAGE 1 2 MAIN BOARD 1 2 1 L103 TC101 FM TRACKING SVC201 Dios C105 0 001 pil 000 L cto 0001 C157 FM 0 1 LEAD V 0 22uH L106 BPF ole ANTA el A cN C FM ANT A Se 750 COAXIAL D105 1348 TC102 FMRF OUT See page 21 for Waveform 4 5 6 TP10 FM VT O R112 0101 33k FM OSC BUFFER IC101 FMAM IF AMB MIX MPX DET OSC IC B D VCC2 FM DET MUTE 0SC LA1823 C140 AM FERRITE ROD 0 047 ANTENNA C131 0 047 ae 0 AM OSC 10 50V O I 1 1 10P 100K C136 T102 L110 TC102 T102 AM TRACKING ANTENNA F103 AM FREQUENCY COVERAGE OUT IC101 IF osc O 11 AM VT GND BUFFER BUFFER MIX 7 See page 22 for IC Block Diagrams 10102 FM AM PLL Q101 0 2SC1923 R104 1 2k 10K oz 47k STEREO MONO 2 SWITCHING L 0 0 7 R116 0102 FM AM BAND SELECT SWITCH AM 0 47 50V R115 47K Q116 209 210 TUNER B SWITCH 0 2 6 FMIN 16 RDSCL RDSDA 14 14 PLLCE PLLDI PLLCL psIPLAY V C167 470P _ MAIN BOARD 2 2 Page 15 Voltages and waveforms are dc with respect to ground under no signal detuned conditio
29. ATTOMALLE LASERSATEILYLLE ALA KATSO SATEESEEN VARNING osYNLING LASERSTRALING NAR DENNA DEL AR OPPNAD OCH SPARREN AR URKOPPLAD BETRAKTA EJ STRALEN ADVERSEL USYNLIG LASERSTRALING NAR DEKSEL PNES OG SIKKERHEDSLAS BRYTES UNNGA EKSPONERING FOR STRALEN VIGYAZAT BURKOLAT NYIT SAKOR LATHATATLAN LEZERSU GARVESZELY KER LJE A BESUGARZAST 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 HCD E301 SECTION 1 SERVICING NOTES NOTES ON HANDLING THE OPTICAL PICK UP BLOCK OR BASE UNIT The laser diode in the optical pick up block may suffer electro static break down because of the potential difference generated by the charged electrostatic load etc on clothing and the human body During repair pay attention to electrostatic break down and also use the procedure in the printed matter which is included in the repair parts The flexible board is easily damaged and should be handled with care NOTES ON LASER DIODE EMISSION CHECK The laser beam on this model is concentrated so as to be focused on the disc reflective surface by the objective lens in the optical pick up block Therefore when checking the laser diode emis sion observe from more than 30 cm aw
30. BASS switch OFF TAPE DECK SECTION 0 dB 0 775 V Test tape WS 48A 3 kHz 0 dB Tape Speed Adjustment P 4 A063 6 3 kHz 10 dB Head Azimuth Adjustment Tape Speed Adjustment Setting Function TAPE test tape WS 48A 3 kHz 0 dB frequency counter set HEADPHONE board PHONES jack JK401 Procedure 1 Playback WS 48A tape center in the FWD state 2 Adjsut the volume in CAPSTAN REEL motor M201 so that the frequency counter reading becomes 3 000 Hz Specified Value 2 985 to 3 015 Hz 3 Confirm that the frequency at the beginning and that at the end of tape winding are between 2 955 to 3 045 Hz Adjustment Location CAPSTAN REEL motor M201 Tape Speed Adjustment Record Playback Head Azimuth Adjustment Procedure 1 Mode Playback FWD e 4 A063 6 3 kHz 10 dB level meter 220 rii HEADPHONE board PHONES jack JK401 2 Turn the adjustment screw and check output peaks If the peaks do not match for L CH and R CH turn the adjustment screw so that outputs match within 1dB of peak within 1dB R CH peak Screw Screw position L CH R CH position peak 3 Mode Playback FWD test tape P 4 A063 6 3 kHz 10 dB oscilloscope HEADPHONE board PHONES jack JK401 screen pattern C2 CJ 45 90 135 180 good wrong 4 Repeat step to 3 in playback REV mode 5 Aft
31. E 47 al COTR HEAD IC701 iui 07 Z 2S C710 an7312 K LI sLo 1 1 muu IN1 CONST ZU x T 2 02 0701 ju i C945 co mii 75 an 3 C719 10 50V D701 1N4148TP UU C717 0 0015 i I 9 5 ERASE 7 SW701 2 6 208 1 x REC PB 1 2 SW701 1 6 C715 I REE REC PB D702 1551337 5 6k 77 PB v PB A 1 SW701 D SW701 3 6 REC PB 12 R725 REC REC PB 330 0705 1 PB ps SWITCHING R733 0725 330 Q706 REC ON SWITCH 10K 00027 REC BIAS OSC 3 C726 0706 0 R728 i 330P 2SD1616 L Semiconductor E am Location 0 07 01 C945 2 945 R734 x CONTROL R726 47K C728 C729 SWITCH i Ref No Location 10 50V 0 022 SW701 6 6 REC PB REC PB Voltages and waveforms are dc with respect to ground under no signal conditions no mark TAPE PLAY RECORD ISS 1 RECORD ISS 2 17 17 HCD E301 6 7 PRINTED WIRING BOARD DISPLAY Board See page 13 for Circuit Boards Location 1 2 3 4 DISPLAY BOARD 1 ocatio F 4 F 4 F 4 F 4 F 3 F 3 F 3 F 2 F 2 C 6 D 5 C 3 B 3 B 3 D 2 D 2 D 2 C 3 D 3 D 3 D 3 D 6 E 2 B 6 C 6 B 4 D 2 A 3 B 6 B 6 B 6 MAIN BOARD CN101 6 8 SCHEMATIC DIAGRAM DISPLAY Board DISPLAY BOARD D D619 SEL2
32. ERAMIC CERAMIC CERAMIC MYLAR MYLAR CERAMIC MYLAR MYLAR ELECT ELECT CERAMIC ELECT ELECT ELECT CERAMIC CERAMIC ELECT ELECT ELECT CERAMIC MYLAR CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC ELECT ELECT CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC ELECT CERAMIC CERAMIC CERAMIC CERAMIC ELECT ELECT 100PF 0 001uF 0 001uF 0 001uF 4 uF 3 0PF 18PF 0 001uF 0 001uF 0 015uF 0 015uF 0 022uF 0 0033uF 0 0033uF 1uF 470PF 0 22uF 0 47uF 0 01uF 0 047uF 470uF 4 7uF 10uF 0 047uF 390PF 10PF 0 047uF 0 022uF 100PF 0 001uF 0 01uF 4 7uF 470uF 0 1uF 0 1uF 20PF 33PF 33PF 47uF 0 1uF 2 2PF 0 1uF 0 022uF 100uF 47uF 10 10 10 5 20 0 25 5 10 10 5 5 5 5 20 20 10 20 20 20 30 10 20 20 20 10 5 0 5PF 10 10 10 30 20 20 10 10 5 5 5 20 10 10 10 20 20 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 25V 50V 50V 50V 50V 50V 50V 50V 50V 16V 50V 16V 50V 50V 50V 50V 50V 50V 25V 50V 50V 16V 50V 16V 50V 50V 50V 50V 50V 10V 50V 50V 50V 25V 16V 10V Ref No C167 C181 C190 C201 C202 C203 C204 C205 C206 C207 C208 C209 C210 C211 0212 0213 0214 0215 0216 0219 0220 0221 0222 0225 0226 0227 0228 0229 0230 0231 0232 0238 0239 0240 0241 0242 0245 0246 0247 0248 0249 0250
33. GHT L934SGC B LCD BACK LIGHT 155133 77 155133 77 155133 77 155133 77 155133 77 155133 77 155133 77 155133 77 155133 77 155133 77 155133 77 Remark 1 4W 1 4W 1 4W 1 4W 10V 6 3V 16V 50V 50V 50V 50V 10V 50V 16V 25V 50V 50V 50V 50V Ref No D615 D616 D617 D619 D621 D647 IC601 IC602 IC603 L601 L602 Q601 Q602 R419 R420 R421 R600 R601 R602 R603 R604 R605 R606 R607 R608 R609 R610 R611 R612 R613 R614 R615 R616 R618 R620 R621 R623 R625 R627 R628 R629 R631 R632 R633 R634 R636 R638 R639 Part No 8 19 991 33 8 19 991 33 8 719 991 33 8 719 062 11 1 804 496 11 8 719 991 33 6 800 412 01 9 7 9 22 8 759 971 11 1 410 521 11 1 410 509 11 8 729 194 57 8 729 194 57 1 249 408 11 1 249 408 11 1 249 408 11 1 249 437 11 1 249 429 11 1 249 437 11 1 249 420 11 1 249 420 11 1 249 429 11 1 247 807 31 1 249 437 11 1 249 437 11 1 249 437 11 1 249 429 11 1 249 429 11 1 249 429 11 1 249 429 11 1 247 843 11 1 249 429 11 1 247 871 11 1 249 433 11 1 249 433 11 1 249 429 11 1 249 417 11 1 249 417 11 1 249 437 11 1 249 417 11 1 249 417 11 1 249 437 11 1 249 437 11 1 249 437 11 1 249 437 11 1 249 437 11 1 249 437 11 1 249 417 11 Description HCD E301 DIODE 155133 77 DIODE 155133 77 DIODE 155133 77 LED SEL2215S CD TIMER DISPLAY PANEL LI
34. HCD E301 SERVICE MANUAL Ver 1 1 2002 10 HCD E301 is the amplifier CD player tape deck and tuner section in CMT E301 Amplifier section DIN power output rated 4 5 4 5 W 4 Q at 1 kHz DIN Continuous RMS power output reference 5 5 W 4 Q at 1 kHz 10 THD Music power output reference 13 13W CD player section System Compact disc and digital audio system Laser Semiconductor laser A 780 nm Emission duration continuous Frequency response 20 Hz 20 kHz 0 5 dB Tape player section Recording system Frequency response 4 track 2 channel stereo 50 13 000 Hz 3 dB using Sony TYPEI cassette 9 873 906 12 Sony Corporation 2002J0500 1 Home Audio Company 2002 10 Published by Sony Engineering Corporation CD Model Name Using Similar Mechanism Section CD Mechanism Type AEP Model TAPE Model Name Using Similar Mechanism HCD EP30 Section Tape Transport Mechanism Type TCM125 2 SPECIFICATIONS Tuner section FM stereo FM AM superheterodyne tuner FM tuner section Tuning range Antenna 87 5 108 0 MHz FM lead antenna Intermediate frequency 10 7 MHz AM tuner section Tuning range 531 1 602 kHz with the interval set at 9 kHz Antenna Built in ferrite bar antenna Intermediate frequency 450 kHz General Power requirements 230 V AC 50 60 Hz Power consumption 30 W 0 9 W in the standby mode Dimensions w h d Approx 145 x 238 x 238 mm Mass Approx 2 8 k
35. N IIN 0 C320 ji L 0 16 1 t D R308 c308 C246 0 001 2700 6 8 7 NG 100 25V R303 C306 Z 8556 e SS L IC301 R310 945 lt 10K a R246 47k 1050V 0501 ox C304 22 gt 47 C315 2SD1616 L os 47 16V BIAS CIRCUIT MEGA BASS ofa OE LC75392 D RS Ri FLAT ROCK R233 ON DRIVE a aay x R335 o ta 3922 SAN R304 47k ve T Som 2SD1616 L E Y EL gt 0 0 6 C309 E R206 8204 C204 8 5 BY 47 IC WUK 21 50V E 1 AM C245 0 001 Ah 22k Opp 0 7 R249 s lt 08 AAA R255 N M 3 3k R245 10K C251 6 8k 50V i Q201 202 6247 50 Q308 309 D302 F 1 4148 0305 j D308 1 4148 i DC 15V i 22409 O GND V L V 8s 3300 B GND d B DOLI PLAY 0511 1 4148 ae SW I o PSW G o Page M D310 1N4148TP 1 O M201 CAPSTAN REEL 220uH ET O pm 0305 306 ga B SWITCH 0313 0310 311 9V REGULATOR REGULATOR CONTROL i SWITCH Voltages are dc with respect to ground under no signal detuned conditions no mark TUNER FM AM CD PLAY TAPE PLAY 15 15 HCD E301 6 4 PRINTED WIRING BOARDS MAIN HEADPHONE Boards e See page 13 for Circuit Boards Location pk aaa 1 2 3 4 5 6 7 8 9 10 Location L110 AM FERRITE ROD ANTENNA D J
36. QUID CRYSTAL DIODE 155133 77 lt IC gt IC uPD753016AGC F31 3B9 IC MC14094BF PST529D lt COIL gt INDUCTOR INDUCTOR lt TRANSISTOR gt TRANSISTOR TRANSISTOR lt RESISTOR gt CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON 100uH 10uH 2SC945 P 2SC945 P 180 180 180 47K 10K 47K 1 8K 1 8K 10K 100 47K 47K 47K 10K 10K 10K 10K 3 3K 10K 47K 22K 22K 10K 1K 1K 47K 1K 47K 47K 47K 47K 47K 47K Remark 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 29 HCD E301 Ref No R640 R641 R642 R643 R644 R645 R646 R647 R657 R658 R663 R664 R665 R667 Part No 1 249 417 11 1 249 437 11 1 249 433 11 1 249 433 11 1 249 433 11 1 249 437 11 1 249 437 11 1 249 437 11 1 249 409 11 1 249 437 11 1 249 429 11 1 249 429 11 1 249 429 11 1 247 871 11 REM601 8 749 016 29 SW601 SW602 SW603 SW604 SW605 SW606 SW607 SW608 SW609 SW610 SW611 SW612 SW613 SW614 SW615 SW621 SW622 SW631 X602 JK401 R412 R413 1 570 472
37. R BAND PASS FM IC LA1823 IC 1072131 IC 1075392 8229 lt COIL gt INDUCTOR COIL FM COIL FM INDUCTOR 1uH 0 22uH Remark 50V 50V 50V 16V 25V 50V 16V 25V 10V 50V 16V 25V 25V 31 HCD E301 Ref No L110 L143 L301 Q101 Q102 Q103 Q104 Q116 Q201 Q202 Q205 Q206 Q209 Q210 Q301 Q302 Q305 Q306 Q308 Q309 Q310 Q311 Q312 Q313 Q314 R101 R102 R103 R104 R105 R107 R108 R109 R112 R114 R115 R116 R117 R118 R119 R120 R121 R123 R124 R126 R131 R134 R135 R136 R139 R144 R145 R146 32 Part No 1 424 878 11 1 414 142 11 1 410 525 11 8 729 231 82 8 729 194 57 8 729 194 57 8 729 194 57 8 729 119 76 8 729 194 57 8 729 194 57 8 729 194 57 8 729 194 57 8 729 194 57 8 729 194 57 8 729 116 82 8 729 116 82 8 729 804 25 8 729 194 57 8 729 037 08 8 729 119 76 8 729 194 57 8 729 194 57 8 729 116 82 8 729 438 33 8 729 194 57 1 249 393 11 1 249 435 11 1 249 435 11 1 249 418 11 1 247 883 00 1 249 421 11 1 249 424 11 1 249 424 11 1 247 843 11 1 249 429 11 1 249 437 11 1 249 437 11 1 249 441 11 1 247 843 11 1 249 441 11 1 249 429 11 1 249 435 11 1 249 441 11 1 249 429 11 1 249 402 11 1 249 441 11 1 249 437 11 1 249 425 11 1 249 427 11 1 249 410 11 1 249 437 11 1 249 425 11 1 249 426 11 Description COIL ANT INDUCTOR INDUCTOR lt TRANSISTOR gt TRANSISTOR TRANSISTO
38. R TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR lt RESISTOR gt CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON 1uH 220uH 2SC1923 0 2SC945 P 2SC945 P 2SC945 P 2SA1175 HFE 2SC945 P 2SC945 P 2SC945 P 2SC945 P 2SC945 P 2SC945 P 2SD1616 L 2SD1616 L 29B985 T 2SC945 P KTD2058Y 2SA1175 HFE 2SC945 P 2SC945 P 2SD1616 L 2SC1383 R 2SC945 P 10 5 33K 5 33K 5 1 2K 5 150K 5 2 2K 5 3 9K 5 3 9K 5 3 3K 5 10K 5 47K 5 47K 5 100 5 3 3K 5 100K 5 10 5 33K 5 100 5 10 5 56 5 100 5 47 5 4 7K 5 6 8K 5 270 5 47 5 4 7K 5 5 6K 5 Remark 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W Ref No R147 R148 R150 R151 R152 R155 R158 R166 R167 R168 R201 R202 R203 R204 R205 R206 R208 R209 R210 R211 R212 R213 R214 R215 R216 R219 R220 R223 R224 R225 R226 R227 R228 R229 R230 R231 R232 R233 R234 R239 R240 R241 R242 R243 R245 R246 R2
39. _ TRANSFORMER C421 0 001 250V IN4001 1 ms OF lt lt ga LN D411 IN4001 IN4001 TEN 0403 4 733 D409 IN4148 0 05 Q401 UN R405 14 22k 07 i 7 1 0401 403 NSS 28D1616 L my POWER ON OFF 40403 uate 002 0416 RELAY DRIVE RAS IN5402 90V IN5402 F401 D402 O 3 15AL 250V TR401 4 4 POWER IN5402 IN5402 TRANSFORMER 1 I C402 0 022 C408 0 022 0107 IN4001 AG IN J 3 A IN4001 D405 0406 4001 0406 0 022 Voltages are with respect to ground under no signal conditions no mark TUNER FM AM The components identified by mark A or dotted line with mark are critical for safety Replace only with part number specified 20 HCD E301 6 10 PRINTED WIRING BOARD POWER Board See page 13 for Circuit Boards Location e Waveforms MAIN Board CASSETTE Board DISPLAY Board IC102 XOUT Q705 Collector IC601 69 X2 RECORD ISS 2 mode 1 3 1 Vp p 4 4 Vp p PT UEM 47 2 Vp p 4 Nn 139 ns 167 ns 11 8 us 0 0706 Base RECORD mode 12 4 us TUT 0404 U Q706 Collector Emitter TRANSFORMER RECORD mode 0 8 Vp p POWER TRANSFORMER e Semiconductor Location 12 4 us C CJ I C
40. ay from the objective lens LASER DIODE AND FOCUS SEARCH OPERATION CHECK 1 Press the button to the power ON with no disc inserted and press the button 2 Open the lid for CD 3 Turn on SW600 as following figure 4 Confirm the laser diode emission while observing the object ing lens When there is no emission Auto Power Control cir cuit or Optical Pick up is broken Objective lens moves up and down five times for the focus search TO PREVENT TAPE OSCILLATION SOUND AT VOLUME MAXIMUM SETTING W O TAPE Headphone wire dressing a Draw the wire from Main board to Headphone Jack board along the bottom side of heatsink b The wire must be kept away from the top side of Cassette board at least 30 mm MAIN board heatsink HEADPHONE board CASSETTE board at least 30 mm HCD E301 GENERAL GENERAL instruction manual LOCATION OF CONTROLS Front Panel 8 E 10 11 12 13 13 19 18 16 14 Cassette compartment 12 Remote sensor BUTTON DESCRIPTIONS CD 4 8 9 13 15 REPEAT 27 8 Display Window 5 9 18 SHUFFLE 21 8 ENTER PGM 20 7 8 9 10 12 TAPE 3 12 CD 15 TIMER indicator 2 15 44 lt co back 24 8 9 155 10 13 TUNER 6 10 13 15 P PPI forward 23 8 9 MEGA BASS 8 14 TUNER MEM 20 10 ll play pause 25 8 9 MONO STEREO 10 11 TUNING 23 10 11 PUSH OPEN CLOSE 7 8 MUSIC MENU 9 14 TUNING
41. er the adjustments apply suitable locking compound to the parts adjusted HCD E301 Adjustment Location Record Playback Erase Head EX ud 2 27 DY M Note Refer to 3 7 CASSETTE LID see page 9 11 HCD E301 TUNER SECTION 0 dB 1 uV AM Setting Function TUNER Band switch AM Put the lead wire AM HF signal antenna close to generator the set Ol HEADPHONE board PHONES jack JK401 level meter 30 amplitude modulation by 400 Hz signal Output level as low as possible FM Setting Function TUNER Band switch FM FM RF signal generator MAIN board FM ANT level meter 22 5 kHz frequency HEADPHONE board 21 by 400 Hz PHONES jack JK401 I Output level as low as possible digital voltmeter TP10 FM VT o 11 AM VT 1 Repeat the procedures each adjustment several times and the frequency coverage and tracking adjustments should be finally done by the trimmer capacitors AM FREQUENCY COVERAGE ADJUSTMENT Adjustment Part Frequency Display Reading on Digital Voltmeter 531 kHz 15 02 102 1 602 kHz 7 3 0 3 V AM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter L110 603 kHz TC102 1 404 kHz 12 Adjustment Location and Connecting Points MAIN BOARD Component Side L104 FM Frequency Coverage Adjustment AM Tracking L110 Adjustment Ug
42. g Design and specifications are subject to change without notice COMPACT DISC DECK RECEIVER SONY HCD EP30 5 215 1280 HCD E301 TABLE OF CONTENTS 1 SERVICING NOTES 2 GENERAL soiree 3 DISASSEMBLY 3 1 Disassembly Flow 3 2 Front Panel Section MAIN Board enas 3 4 CD Cabinet Section 3 5 CD Mechanism Deck CS 21SC 1280 3 6 Tape Mechanism Deck TCM125 2 Dele SEE 4 MECHANICAL ADJUSTMENTS 5 ELECTRICAL ADJUSTMENTS 6 DIAGRAMS 6 1 Note for Printed Wiring Boards and Schematic Diagrams 6 2 Schematic Diagram MAIN Board 1 2 6 3 Schematic Diagram MAIN 2 27HEADPHONE Boards 6 4 Printed Wiring Boards MAIN HEADPHONE Boards 6 5 Printed Wiring Board CASSETTE Board 6 6 Schematic Diagram CASSETTE Board 6 7 Printed Wiring Board DISPLAY Board 6 8 Schematic Diagram DISPLAY Board 6 9 Schematic Diagram POWER Board 6 10 Printed Wiring Board POWER Board 6 11 IC Pin Function Description 7 EXPLODED VIEWS Pal Cabinet SCCUON u ctt 7 2 Front Panel Section 1
43. lt RESISTOR gt CARBON 180 5 1 4W CARBON 180 5 1 4W E R KE K K ER K K KK K K KK K KKK 30 Ref No ANT101 C102 C104 C105 C107 C108 C109 C110 C111 C112 C113 C114 C116 C117 C118 C119 C120 C121 C122 C123 C124 C126 C127 0128 0129 0130 0131 0135 0136 0140 0144 0145 0146 0147 0148 0150 0151 0152 0153 0154 0155 0156 0157 0160 C161 C162 C163 C166 Part No A 4726 786 A 1 424 881 11 4 235 969 01 7 682 549 09 1 694 848 11 1 162 282 31 1 162 294 31 1 162 294 31 1 130 471 00 1 126 963 11 1 102 936 00 1 162 205 31 1 162 294 31 1 162 294 31 1 130 485 00 1 130 485 00 1 161 494 00 1 130 477 00 1 130 477 00 1 126 960 11 1 126 960 11 1 162 290 31 1 126 957 11 1 126 959 11 1 126 960 11 1 162 306 11 1 127 884 11 1 126 935 11 1 126 963 11 1 126 964 11 1 127 884 11 1 110 342 11 1 102 947 00 1 127 884 11 1 161 494 00 1 162 282 31 1 162 294 31 1 162 306 11 1 126 963 11 1 126 935 11 1 127 888 11 1 127 888 11 1 101 974 11 1 102 518 11 1 102 518 11 1 104 664 11 1 127 888 11 1 162 191 31 1 127 888 11 1 161 494 00 1 126 933 11 1 104 664 11 Description MAIN BOARD COMPLETE KOK K K K K K K K K K K K K K K K K K K K AM BAR ANT BAR HOLDER SCREW B 3X10 lt TERMINAL gt Remark TERMINAL BOARD ANT FM FM ANT lt CAPACITOR gt CERAMIC CERAMIC CERAMIC MYLAR ELECT CERAMIC C
44. n be disassembled in the order shown below 3 1 DISASSEMBLY FLOW 3 2 FRONT PANEL SECTION Page 7 3 3 MAIN BOARD 3 4 CD CABINET SECTION Page 7 Page 8 3 5 CD MECHANISM DECK CS 21SC 1280 Page 8 3 6 TAPE MECHANISM DECK TCM125 2 Page 9 3 7 CASSETTE LID Page 9 HCD E301 Note Follow the disassembly procedure in the numerical order given 3 2 FRONT PANEL SECTION antenna cover cabinet Q two screws BTP2 6 x 10 uu uid Q screw BVTP3 x 10 C o A two screws BVTP3 x 10 Q claw two screws K3 x 5 connector CN203 two screws K3 x 5 connector CN402 two screws D connector K3 x 5 SW600 QD front panel section 3 3 MAIN BOARD Q MAIN board Q screw BTP2 6 x 8 Q connector CN204 connector CN101 Q connector CN301 connector CN302 connector CN201 connector CN202 HCD E301 3 4 CD CABINET SECTION CD cabinet section two screws a BTP2 6 x 8 3 5 CD MECHANISM DECK CS 21SC 1280 two spring clamps vibration proof rubber brown CD mechanism deck CS 21SC 1280 vibration proof rubber two spring clamps pink four fiber washers G vibration proof rubber brown vibration proof rubber pink plastic cover two screws 10
45. ns no mark FM AM 6 3 SCHEMATIC DIAGRAM MAIN 2 2 HEADPHONE Boards 1 2 4 1 us Page 14 3 See page 22 for IC Block Diagram 6 11 12 HCD E301 13 A I MAIN BOARD 2 2 Page 19 Page 19 DISPLAY DISPLAY BEAT BOARD BOARD CD SUPPLIED AS THE Bees ws vE BLOCK ASSEMBLED BLOCK SER ER egrpusPzs apa er ond em q 9999990 eh 0 9099 09 29292 2k HEADPHONE BOARD B 3 goes CN302 CN204 CN203 PL 9P P 9P 6V BOARD PR Page 17 R254 COTR x ll __ x j i Em gt lt C 0314 FUNCTION SELECT SWITCH ole MUTING CONTROL dh 27K SN ELECTRICAL VOLUME 0 ga N C226 C230 aS IC B D R SPK301 0 0033 0 047 NG o SPEAKER C242 1K 100K c a x 47 gt IMPEDANCE R205 R203 US k 50V R234 6 8k PP IC301 7 a S 0 POWERAMP 220 EN 2 gle ol lee R248 MEGA BASS Nu 220 gt H s mal PS 2 2k AEE N 2 2 50V 8 7 WA
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