Technics SL-HD550 Service Manual Download Page 33 | Manualshive

Page: 33 / 63

Technics SL-HD550 Service Manual Download Page 33

S791:

Disc Tray close detect switch in OFF position

S801:

Disc tray open/close switch

(

OPEN/CLOSE)

S802:

Pause switch (

)

S803:

F.Skip/search switch (

)

S804:

Play switch (

)

S805:

Stop switch (

)

S806:

R.Skip/search switch (

)

S807:

CD edit switch (EDIT)

S808:

Repeat switch (REPEAT)

S809:

Random play switch (RANDOM)

-

Indicated voltage values are the standard values for the unit measured by the

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Summary of Contents for SL-HD550

Page 1: ...AD0101018C2 Compact Disc Player SL HD550 Traverse Deck RAE0152Z Mechanism Series Colour N Gold Type Area E Europe SPECIFICATIONS...

Page 2: ...E Repeat button REPEAT F CD edit button EDIT G Skip search buttons 4 1 H Stop button 7 I Pause button 8 J Play button and indicator 3 The color of the indicator depends on the operation taking place...

Page 3: ...When repairing this equipment or checking operation of the system be sure to connect to other systemcomponents with it Power supply and operation checks in the state of it as a single equipment is im...

Page 4: ...kdown short the flexible board FFC board with a clip or similar object Refer to Fig 3 1 3 Take care not to apply excessive stress to the flexible board FFC board 4 Do not turn the variable resistor la...

Page 5: ...er to Fig 3 2 Fig 3 2 3 2 2 Work table grounding Put a conductive material sheet or steel sheet on the area where the traverse deck optical pickup is placed and ground the sheet Refer to Fig 3 3 Fig 3...

Page 6: ...r clothes will not be grounded through the wrist strap So take care not to let your clothes touch the traverse deck optical pickup 4 Precaution of Laser Diode 5 Location of Controls 6 Operation Checks...

Page 7: ...tion of the major printed circuit boards and replacing the main components For reassembly after operation checks or replacement reverse the respective procedures Special reassembly procedures are desc...

Page 8: ...Check the main P C B as shown below...

Page 9: ...6 2 Checking for the CD servo P C B Follow the Step 1 Step 3 of item 6 1...

Page 10: ......

Page 11: ...Check the CD servo P C B as shown below...

Page 12: ...6 3 Replacement for the traverse deck ass y Follow the Step 1 Step 3 of item 6 1 Follow the Step 1 Step 5 of item 6 2...

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Page 26: ...6 4 Replacement for the belt loading motor ass y and loading switch Follow the Step 1 Step 3 of item 6 1 Follow the Step 1 Step 5 of item 6 2 Follow the Step 1 Step 9 of item 6 3...

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Page 29: ...ected properly before using these functions Use these two functions for guidanceduring fault diagnosis and repair Note Check beforehand for scratching or soiling of the test disc SZZP1054C and soiling...

Page 30: ...ervo adjustment procedure 7 3 Error code based on troubleshooting This unit is satisfactory if the error code is E00 Before testing check that the test disc is free of scratches and optical pickup is...

Page 31: ...702 pin 8 0 V MCLK IC702 pin 7 3 3 V MLD IC702 pin 9 3 3 V RST IC702 pin 18 3 3 V 3 3 V X1 IN IC702 pin 58 X2 OUT IC702 pin 59 E02 E04 E06 E0A E0C E0E Disc play unstable Scratches or contaminants on d...

Page 32: ...C702 pin 36 0 V 0 V 8 To Supply Power Source This unit is designed to operate on power supplied from system connected When a component requires service use the system connections to supply power sourc...

Page 33: ...itch OPEN CLOSE S802 Pause switch S803 F Skip search switch S804 Play switch S805 Stop switch S806 R Skip search switch S807 CD edit switch EDIT S808 Repeat switch REPEAT S809 Random play switch RANDO...

Page 34: ...uality sound capacitors low noise resistors etc are used When replacing any of components be sure to use only manufacturer s specified parts shown in the parts list The supply part number is described...

Page 35: ...OTOR DRIVE 10 D1 D1 13 12 D2 D2 TRV TRV M 1 SPINDLE MOTOR DRIVE IN3 24 IN4 23 15 TRACKING COIL DRIVE 14 D3 D3 RESET SIGNAL GENERATOR RST PGND1 PGND2 8 19 B1 7 20 PVcc1 PVcc2 IN1 6 IN2 3 PC2 4 TRD FOD...

Page 36: ...63 CSEL 20 MSEL 79 X2 59 59 X1 FE TE RFENV 32 33 34 FE TE RFENV TRCRS VDET BDO 37 35 39 BDO RFDET OFT 38 36 RFDET OFT 10 43 40 SENSE WVEL LDON LDON FBAL FBAL TBAL TBAL FOD FOD TRD TRD TVD TVD VREF VR...

Page 37: ...5V D GND CLK DATA 19 11 10 DECKREQ A GND CD Lch OUT NC To TUNER ST HD550 CASSETTE DECK RS HD550 BLOCK DIAGRAM CD Rch OUT RS A GND BLKCK 5 SUBQ SUBQ STAT MLD SYNC NC NC NC NC 13V GP1FA550TZ IC402 TRANS...

Page 38: ...B A R701 4 7 C701 6 3V33 CN701 RF TP30 C716 820P TJ701 A B C D E D E C A B D C B A C751 0 1 C750 0 1 VREF C702 0 1 C706 2700P C707 0 027 C704 0 1 C703 6 3V100 Q701 2SB709STX LASER POWER DRIVE IC701 A...

Page 39: ...TP14 TP13 C TP12 TP8 TP7 TP6 TP4 TP3 D G H I J K TP1 S701 REST TP16 C745 0 1 A B C D G H I J K G E D C B A A B C E F G H I Q702 DTC143XUA106 SWITCHING R712 220 C718 0 1 C717 0 1 C744 8200P R709 68K R7...

Page 40: ...M S808 REPEAT S807 EDIT S806 S805 S804 S803 S802 S801 OPEN CLOSE R800 4 7K R801 3 3K R802 2 2K R803 1 5K R804 1 2K 6 3 2 4 5 1 C L K J A B D F E N C204 0 1 CN403 R472 33 R471 33 R474 33 R473 33 R240 1...

Page 41: ...C426 100P R427 4 7K R423 2 7K R439 10 R453 4 7K R452 2 7K R405 6 8K R440 4 7K C419 6 3V220 C420 6 3V220 C414 1 5V C413 0 01 D501 MA111TX R501 330 C201 16V220 R500 22K R442 1K D404 MA8075MTX C416 16V22...

Page 42: ...B709STX 2SC4081STX DTA143XUT106 DTC114YUA106 DTC143XUA106 1 26 14 13 6 20 21 7 1 2 3 E C B Anode Cathode Anode Cathode 1 20 21 40 41 60 61 80 2SB1417PQTA SML79420C C E B Ca A A No 1 3 2 1 9 1 AN8839NS...

Page 43: ...735 C752 R736 R727 R729 R728 R749 R725 C739 C715 RJ716 RJ707 RJ708 RJ704 C737 C736 RJ735 RJ736 RJ714 RJ706 C753 C743 C733 L702 L701 C754 C725 C730 R718 R717 C726 RJ731 C724 RJ734 C722 C721 R714 C744 C...

Page 44: ...5 13 11 9 7 5 3 4 2 1 CN402 J J 6 5 4 3 2 1 CN401 1 5 10 15 20 21 22 25 30 35 40 42 R244 R474 R472 R471 R473 R201 R451 R407 R202 R458 R238 R237 R236 R230 R229 R234 R232 R235 R228 R247 R248 R227 R226 R...

Page 45: ...TOR P C B CP790 CN401 WHITE 1 6 6 1 6 1 6 1 CN402 23 1 22 2 1 23 2 22 1 15 2 16 CN701 M701 TRAVERSE MOTOR M702 SPINDLE MOTOR A CD SERVO P C B OPTICAL PICKUP RED MARK CN702 22 2 23 1 1 6 CN403 6 1 W801...

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Page 48: ...Circuit Board Diagram 12 Type Illustration of ICs Transistors and Diodes 13 Wiring Connection Diagram 14 Block Diagram 15 Troubleshooting Guide 16 Terminal Function of ICs 16 1 IC201 C2BBFD000248 Syst...

Page 49: ...ck signal output for FL display System control IC 11 DATA O O Serial communication data signal output for FL display System control IC 12 DATA I I Serial communication data signal input from FL displa...

Page 50: ...KEY2 I Key switches detect signal input 41 KEY1 I Key switches detect signal input 42 CLOSE SW I Disc tray close detect switch signal input 16 2 IC701 AN8839NSBE2 Servo Amp Pin No Terminal Name I O Fu...

Page 51: ...ff track detection H detect 18 NC Not used open 19 ENV O Envelope signal output 20 NC Not used open 21 22 TEN I Tracking error signal input 23 TEOUT O Tracking error signal output 24 FEOUT O Focus err...

Page 52: ...ion focus Not used open 12 TLOCK Optical servo condition tracking Not used open 13 BLKCK O Sub code block clock signal output f 75 Hz 14 SQCK I Sub code Q resistor clock signal input 15 SUBQ O Sub cod...

Page 53: ...Forced mode...

Page 54: ...k 37 TRCRS I Track cross signal input 38 RFDET I RF detect signal input L detect 39 BDO I Dropout detection signal input H dropout 40 LDON O Laser power control signal output H ON 41 PLLF2 PLL loop fi...

Page 55: ...FLAG Flag terminal Not used open 66 CLVS Turntable servo phase synchro signal Not used open 67 CRC Sub code CRC check terminal Not used open 68 DEMPH De emphasis ON signal Not used open 69 RESY Re syn...

Page 56: ...unction 79 MSEL I Output frequency select signal input Connected to GND 80 SSEL I SUBQ output mode select signal input Not used connected to VDD 16 4 IC703 AN8739SBE2 Focus Coil Tracking Coil Traverse...

Page 57: ...iver 2 output terminal 13 D2 O Spindle motor driver 2 output terminal 14 D3 O Tracking coil signal output terminal 15 D3 O Tracking coil signal output terminal 16 D4 O Focus coil signal output termina...

Page 58: ...of this period the assembly will no longer be available All parts are supplied by MESA Ref No Part No Part Name Description Pcs Remarks 1 RHD30082 K SCREW 4 2 RKM0413A N CABINET 1 3 XTBS3 8JFZ1 SCREW...

Page 59: ...R 1 119 RMM0059A 1 SLIDE PLATE 2 1 120 RMR0334 MAGNET HOLDER 1 121 RHM245ZA MAGNET 1 122 RXQ0380 DISC HOLDER 1 123 XTN26 6G SCREW 3 124 RMA0793 1 DISC CLAMPER ASS Y 1 125 XYN2 F6FZ SCREW 2 126 RMG0158...

Page 60: ...39 ECUV1H152KBN 50V 1500P 1 C742 ECUV1E273KBN 25V 0 027U 1 C743 ECUVNE104ZFN 25V 0 1U 1 F1J1E1040017 C744 ECUV1E822KBN 25V 8200P 1 C745 ECUV1E104KBN 25V 0 1U 1 F1J1E1040007 C747 ECUV1H181JCG 50V 180P...

Page 61: ...06 TRANSISTOR 1 R101 ERQ16NKWR22E 22 1 R201 ERJ6GEYJ681V 1 10W 680 1 R202 ERJ6GEYJ104V 1 10W 100K 1 R221 28 ERJ6GEYJ101V 1 10W 100 8 R229 ERJ6GEYJ472V 1 10W 4 7K 1 R230 ERJ6GEYJ103V 1 10W 10K 1 R231 3...

Page 62: ...00 1 R723 ERJ6GEYJ682V 1 10W 6 8K 1 R724 ERJ6GEYJ183V 1 10W 18K 1 R725 ERJ6GEYJ391V 1 10W 390 1 D0GD391JA003 R727 ERJ6GEYJ682V 1 10W 6 8K 1 R728 29 ERJ6GEYJ392V 1 10W 3 9K 2 R731 ERJ6GEYJ682V 1 10W 6...

Page 63: ...S791 RSH1A005 SW CLOSE DET 1 K0J1BB000010 S801 09 EVQ11G05R SW PUSH 9 X201 EF0MC6004T4 OSCILLATOR 1 X701 RSXB33M8J01T OSCILLATOR 1 18 Cabinet Parts Location 19 Loading Unit Parts Location F010100000YM...

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