Sony MCE-K550, Service Manual

Page 1: ...50 60Hz Power consumption K550 21W K750 24W Dimensions approx 430 108 350mm w h d inchl projecting parts Mass approx 4 4kg Supplied accessories Audio and video connecting cord 1 Remote commander remote RMT K750V K550V 1 Sony SUM 3 NS battery 2 Plug adaptor 1 except model for China Desing and specifications are subject to change without notice Outputs AUDIO OUT VIDEO OUT S VIDEO OUT K750 PHONES Jac...

Page 2: ...for Class 1 CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure 1 SERVICING NOTE 3 2 TEST MODE 4 3 GENERAL 6 4 DISASSEMBLY 4 1 CABINET 7 4 2 BASE UNIT BU 5BD24 7 5 ELECTRICAL ADJUSTMENTS 8 6 DIAGRAMS 6 1 CIRCUIT BOARDS LOCATION 10 6 2 BLOCK DIAGRAM BD SECTION 11 6 3 BLOCK DIAGRAM MAIN SECTION 13 6 4 SCHEMA...

Page 3: ...ce 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 th...

Page 4: ...JOG SELECTOR key toggles between the following displays 2 Pressing of the DNR COMET key toggles between ON and OFF of the tracking and sled servo 3 Pressing the PLAY MODE key KARAOKE PON in K750 during playback increases the FB value every 4 steps Pressing the REPEAT key SURROUND in K750 decreases the FB value every 4 steps 4 Pressing the ACTIVE key toggles between the normal speed and double spee...

Page 5: ...8888 n Count up display Button number display n Button Name NEXTˆ OPEN CLOSE RETURN PREV º DNR MPX K750 L R STEREO K550 SURROUND K750 REPEAT K550 KEY CONTROL N K750 KARAOKE STAR K750 KEY CONTROL K750 KEY CONTROL K750 KARAOKE PON K750 PLAY MODE K550 JOG SELECTOR PUSH SELECT ACTIVE COMET p Button Number Displayed only while a button is pressed Figure 0E Figure 16 Figure 30 Figure 31 Figure 33 Figure...

Page 6: ...TOR p botton P botton botton MPX KARAOKE PON SURROUND botton K750 MODEL L R STEREO PLAY MODE REPEAT botton K550 MODEL ECHO LEVEL MIC 1 LEVEL MIC 2 LEVEL VOCAL LEVEL MUSIC LEVEL MIC1 MIC2 jack MIC CONTROL jack K750 MODEL PHONES jack LEVEL ª MODE switch K750 MODEL º MUSIC LEVEL switch K550 MODEL AUDIO OUT jack VIDEO OUT jack S VIDEO OUT jack K750 MODEL COLOR SYSTEM switch VOLTAGE SELECTOR switch Sin...

Page 7: ...crewdriver as the figure shows and the disk table will be moved Then pull out the disk table by your hand to remove the loading panel After that take out the front panel block 4 2 BASE UNIT BU 5BD24 Screwdriver Pull out disk table 1 Turn the cam to the direction of arrow counter clock wise by screwdriver 2 Take off the disk table 3 Yoke bracket 4 Remove the MD BU 5BD24 to the direction of arrow BU...

Page 8: ...ed servo OFF Procedure 1 Connect oscilloscope to test point TP FE on BD board 2 Connect between test point TP FEI and TP VC by lead wire 3 Turned Power switch on 4 Put disc YEDS 18 in and turned Power switch on again and actuate the focus search actuate the focus search when disc table is moving in and out 5 Check the oscilloscope waveform S curve is symmetrical between A and B And confirm peak to...

Page 9: ...uenc ycountertoc hec kpointofthe VIDEO board 2 Colorsystems witch S300 selecttoP ALandturnthePO WER switchON 3 AdjustCT503ofthe VIDEOboar dsothatthefrequenc y counterread27 0MHz 80HzatST OPcondition VIDEO board 27 0 MHz frequency counter GND VIDEO board 27 0 MHz frequency counter GND VIDEO BOARD SIDE A SECTION 6 DIAGRAMS 6 1 CIRCUIT BOARDS LOCATION CN board BD board VOL board MAIN board VIDEO boar...

Page 10: ...MCE K550 K750 11 12 6 2 BLOCK DIAGRAM BD SECTION ...

Page 11: ...2 3 4 X202 27MHz IC202 6 2 3 5 DCLK V SYNC SDI XSCK XRST XCS H SYNC 60 67 Y GO7 Y GO0 10BIT D A CONV IC511 Y7 Y0 8 32 29 24 C OUT Y OUT COMP O 98 97 100 31 30 93 29 60 59 62 56 57 48 49 55 51 50 H SYNC V SYNC FID SYS CLK PD CLK SCK XRST XVRST XCS SI D A CONV IC508 XRST ML L ON R ON BCLK LRCK 6 5 8 22 1 14 12 LINE AMP IC103 1 2 HP AMP IC105 1 2 RV300 1 2 J300 PHONES IC103 2 2 IC105 2 2 C Y CV J103 ...

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Page 20: ... 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 14 1 2 3 4 5 6 7 13 12 11 10 9 8 VCC GND CK CLR CK CLR Q PR Q Q PR Q D D IC509 BU6257AFV E2 IC302 L78LR05D IC513 SN74HC74ANS IC510 CXD2721Q 1 IC511 CXD1913Q IC701 LC75725E IC501 LB1641 38 39 40 DATA INPUT 1 2 3 4 5 6 7 8 9 10 13 11 PROTECTION CI...

Page 21: ...not used Subcode sync input from BD RF gain select H gain up Interrupt request input from CXD1852 DVE chip select DAC chip select K550 Not used K750 NTSC PAL output select DSP system select Jog input 1 Jog input 2 Loading motor control Out Loading motor control In Tray in limit switch Tray out limit switch Serial data output KARAOKE DSP serial data input K750 Not used K550 Clock for serial 1 OSD c...

Page 22: ...ormally H Test mode 3 Normally H Device system reset STANDBY LED lighting signal output H lighting FL tube driver chip enable FL tube turning off output Data bus input output A D port for MIC control input K750 Not used K550 A D port for key input NTSC PAL output mode setting terminal A D port music volume input K750 ATT select K550 A D port music volume input K750 Not used K550 Ground A D port fo...

Page 23: ...r R signal input Cb Cr chroma signal input or R signal input Cb Cr chroma signal input or R signal input Cb Cr chroma signal input or R signal input Cb Cr chroma signal input or R signal input Cb Cr chroma signal input or R signal input Cb Cr chroma signal input or R signal input LSB Power supply Chip select input for microprocessor interface Serial clock input for microprocessor interface Serial ...

Page 24: ...signal output LSB Open or B signal output Open or B signal output Open or B signal output Open or B signal output Open or B signal output Open or B signal output Open or B signal output MSB Ground Horizontal sync signal output Vertical sync signal output Composite blanking signal output Composite sync signal output Image enhancement effect level control input Image enhancement effect level control...

Page 25: ...DIA 50 ORNAMENTAL 7 4 977 358 01 CUSHION 8X12 5 8 1 666 249 11 CN BOARD 9 4 990 329 01 BUTTON PLAY GRAY 9 4 990 329 11 BUTTON PLAY GOLD 10 A 4699 733 A DISPLAY BOARD COMPLETE K750 10 A 4699 740 A DISPLAY BOARD COMPLETE K550 11 4 990 331 01 BUTTON FF GRAY 11 4 990 331 11 BUTTON FF GOLD 12 A 4699 732 A VOL BOARD COMPLETE K750 12 A 4699 739 A VOL BOARD COMPLETE K550 13 4 925 014 61 KNOB DIA 10 GRAY 1...

Page 26: ...W MY 59 4 990 337 31 PANEL BACK K550 SP MY 60 1 569 008 21 ADAPTOR CONVERSION 2P SP MY TW 61 1 575 651 21 CORD POWER SP MY TW 61 1 782 510 11 CORD POWER CH 62 3 703 244 00 BUSHING 2104 CORD 65 3 970 608 11 SUMITITE B3 BV 66 1 782 436 11 WIRE FLAT TYPE 25 CORE 67 1 782 648 11 WIRE FLAT TYPE 23 CORE T900 1 431 379 11 TRANSFORMER POWER Ref No Part No Description Remarks Ref No Part No Description Rem...

Page 27: ...08 4 933 109 01 CAM 109 1 645 721 11 LOADING BOARD 110 4 933 134 01 SCREW PTPWH M2 6X6 111 4 959 996 01 SPRING 932 COMPRESSION 112 4 933 129 01 HOLDER BU 113 4 933 111 41 CHASSIS MD 114 4 917 583 21 BRACKET YOKE M151 A 4604 363 A MOTOR L ASSY LOADING Ref No Part No Description Remarks Ref No Part No Description Remarks 4 M151 113 109 112 114 111 111 110 110 102 101 103 104 106 108 107 105 not supp...

Page 28: ...R M 156 4 917 564 01 GEAR P FLATNESS 157 1 769 069 11 WIRE FLAT TYPE 16 CORE M101 X 4917 523 3 BASE ASSY SPINDLE M102 X 4917 504 1 MOTOR ASSY SLED Ref No Part No Description Remarks Ref No Part No Description Remarks Thecomponentsidentifiedbymark ordotted line with mark are critical f or saf ety Replace only with part number specified 154 157 153 152 4 151 156 152 155 3 M101 including A M102 A ...

Page 29: ...ERAMIC CHIP 0 0015uF 5 50V C159 1 163 019 00 CERAMIC CHIP 0 0068uF 10 50V C161 1 163 038 00 CERAMIC CHIP 0 1uF 25V C162 1 163 275 11 CERAMIC CHIP 0 001uF 5 50V CONNECTOR CN101 1 770 706 11 CONNECTOR FFC FPC 23P IC IC101 8 752 369 78 IC CXD2545Q IC102 8 759 176 09 IC BA6392FP IC103 8 752 072 45 IC CXA1821M T6 IC104 8 759 271 86 IC TC7SH04FU TRANSISTOR Q101 8 729 010 08 TRANSISTOR MSB710 R Q102 8 72...

Page 30: ...DTC114YS RESISTOR R700 1 249 415 11 CARBON 680 5 1 4W F R701 1 249 407 11 CARBON 150 5 1 4W F K750 R702 1 249 407 11 CARBON 150 5 1 4W F K750 R703 1 249 407 11 CARBON 150 5 1 4W F K750 R704 1 249 407 11 CARBON 150 5 1 4W F K750 R705 1 249 407 11 CARBON 150 5 1 4W F K750 R705 1 247 807 31 CARBON 100 5 1 4W K550 R706 1 249 407 11 CARBON 150 5 1 4W F K750 R706 1 247 807 31 CARBON 100 5 1 4W K550 R710...

Page 31: ...T 6800uF 20 25V C311 1 126 960 11 ELECT 1uF 20 50V C312 1 126 942 61 ELECT 1000uF 20 25V C315 1 164 159 11 CERAMIC 0 1uF 50V C316 1 126 964 11 ELECT 10uF 20 50V K550 C316 1 126 933 11 ELECT 100uF 20 10V K750 C317 1 124 699 11 ELECT 220uF 20 25V C318 1 124 699 11 ELECT 220uF 20 25V C319 1 137 399 11 FILM 0 1uF 5 50V C320 1 137 399 11 FILM 0 1uF 5 50V C327 1 126 233 11 ELECT 22uF 20 50V K550 C327 1 ...

Page 32: ... 6W R108 1 259 428 11 CARBON 1K 5 1 6W R109 1 259 428 11 CARBON 1K 5 1 6W R110 1 259 428 11 CARBON 1K 5 1 6W R111 1 259 428 11 CARBON 1K 5 1 6W R112 1 259 476 11 CARBON 100K 5 1 6W R113 1 259 436 11 CARBON 2 2K 5 1 6W R114 1 249 417 11 CARBON 1K 5 1 4W F R115 1 259 476 11 CARBON 100K 5 1 6W K750 R116 1 259 476 11 CARBON 100K 5 1 6W R117 1 259 452 11 CARBON 10K 5 1 6W R118 1 259 448 11 CARBON 6 8K ...

Page 33: ... 1 110 339 11 MYLAR 220PF 5 50V C406 1 126 233 11 ELECT 22uF 20 50V C407 1 126 059 11 ELECT 10uF 20 50V C408 1 126 059 11 ELECT 10uF 20 50V C421 1 110 339 11 MYLAR 220PF 5 50V K550 C422 1 162 215 31 CERAMIC 47PF 5 50V K550 C423 1 130 480 00 MYLAR 0 0056uF 5 50V K550 C426 1 130 480 00 MYLAR 0 0056uF 5 50V K550 C427 1 136 166 00 FILM 0 12uF 5 50V K550 C428 1 130 480 00 MYLAR 0 0056uF 5 50V K550 C429...

Page 34: ...1 4W F R453 1 249 437 11 CARBON 47K 5 1 4W R456 1 249 413 11 CARBON 470 5 1 4W F R457 1 249 433 11 CARBON 22K 5 1 4W K550 R458 1 249 417 11 CARBON 1K 5 1 4W F R459 1 249 441 11 CARBON 100K 5 1 4W R460 1 249 429 11 CARBON 10K 5 1 4W R470 1 249 429 11 CARBON 10K 5 1 4W K550 R470 1 249 433 11 CARBON 22K 5 1 4W K750 R471 1 249 431 11 CARBON 15K 5 1 4W K550 R472 1 249 433 11 CARBON 22K 5 1 4W R475 1 24...

Page 35: ...uF 25V C582 1 163 038 00 CERAMIC CHIP 0 1uF 25V C583 1 137 360 11 FILM 220PF 5 50V K750 C584 1 126 052 11 ELECT 100uF 20 10V C586 1 163 121 00 CERAMIC CHIP 150PF 5 50V K750 C587 1 164 232 11 CERAMIC CHIP 0 01uF 50V K750 C588 1 163 251 11 CERAMIC CHIP 100PF 5 50V K750 C590 1 163 121 00 CERAMIC CHIP 150PF 5 50V C591 1 163 263 11 CERAMIC CHIP 330PF 5 50V K750 C592 1 163 038 00 CERAMIC CHIP 0 1uF 25V ...

Page 36: ... 00 METAL GLAZE 100 5 1 10W R537 1 216 025 00 METAL GLAZE 100 5 1 10W K550 R538 1 216 073 00 METAL CHIP 10K 5 1 10W R539 1 216 025 00 METAL GLAZE 100 5 1 10W R540 1 216 073 00 METAL CHIP 10K 5 1 10W R541 1 216 025 00 METAL GLAZE 100 5 1 10W R542 1 216 025 00 METAL GLAZE 100 5 1 10W R543 1 216 073 00 METAL CHIP 10K 5 1 10W R544 1 216 025 00 METAL GLAZE 100 5 1 10W R545 1 216 025 00 METAL GLAZE 100 ...

Page 37: ...12 K550 R632 1 216 061 00 METAL CHIP 3 3K 5 1 10W K550 R633 1 216 073 00 METAL CHIP 10K 5 1 10W K750 R634 1 216 295 00 CONDUCTOR CHIP 2012 K550 R635 1 216 295 00 CONDUCTOR CHIP 2012 K550 R636 1 259 199 11 CARBON 22K 5 1 4W K750 R637 1 259 199 11 CARBON 22K 5 1 4W VOL K750 R638 1 259 199 11 CARBON 22K 5 1 4W K750 R639 1 259 199 11 CARBON 22K 5 1 4W K750 R640 1 216 081 00 METAL CHIP 22K 5 1 10W R641...

Page 38: ...CONVERSION 2P SP MY TW 61 1 575 651 21 CORD POWER SP MY TW 61 1 782 510 11 CORD POWER CH 101 1 452 838 12 MAGNET ASSY 154 8 848 379 31 OPTICAL PICK UP KSS 213B S N M101 X 4917 523 3 BASE ASSY SPINDLE M102 X 4917 504 1 MOTOR ASSY SLED M151 A 4604 363 A MOTOR L ASSY LOADING T900 1 431 379 11 TRANSFORMER POWER ACCESSORIES PACKING MATERIALS 1 475 178 11 REMOTE COMMANDER RMT K750V K750 1 475 179 11 REM...

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