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Sharp MD-DR470H, Руководство по обслуживанию

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Sharp MD-DR470H Скачать руководство пользователя страница 47

MD-DR470H/MD-DR480H

– 47 –

1*

DA1

MCMON

Output

Internal operation status monitor.

2

DA0

LDVAR

Output

P.U. laser power setting output.

3

P92

EPRT

Output

EEPROM write protect control output.

4

TB1IN

SPIN

Input

Spindle motor FG pulse detection input.

5

TB0IN

CIN

Input

Track cross signal/focus drive detection.

6

BYTE

BYTE

—

External data bus width selection input.

7

CNVSS

CNVSS

—

Processor mode switching input.

8

P87

RCLAT

Output

Recording audio IC data latch output.

9

P86

SYCPW

Output

System LSI core power supply ON/OFF.

10

RESET

_RESET

—

Microcomputer hardware reset input.

11

XOUT

EXTAL

—

Crystal oscillator connection terminal.

12

VSS

VSS

—

Ground potential.

13

XIN

XTAL

—

Crystal oscillator connection terminal.

14

VCC

VCC

Input

Positive power supply.

15

P85/NMI

NMI

—

Reserve

16

P84/INT2

_DINT

Input

System LSI interrupt.

17

P83/INT1

_PLAY

Input

Main unit PLAY button operation detection input.

18

P82/INT0

_REC

Input

Main unit REC button detection input.

19

P81

N.C.

Output

Reserve

20

P80

RCPCNT

Output

Recording circuit power supply control output.

21

P77/TA3IN

_RPLAY

Input

Remote control PLAY button operation detection input.

22

P76

N.C.

Output

Reserve

23*

P75

PBOPON

Output

Audio IC output stage control output.

24

TA2OUT

BUZOUT

Output

Beep tone pulse output. (Reserve)

25

P73

CHGON

Output

Charge ON/OFF control output.

26

P72

N.C.

Output

Reserve

27*

P71

N.C.

Output

Reserve

28*

P70

N.C.

Output

Reserve

29

TXD1

DSPDAT

Output

Main unit display data output.

30

P66

DSPSTB

Output

Main unit display strobe output.

31

CLK1

DSPSCK

Output

Main unit display data clock output.

32*

P64

TEST0

Input

Test mode setting input 0.

33

TXD0

RMDAT

Output

Remote control display data output.

34

P62/RXD0

PCLID

Input

Jig IF data input.

35*

CLK0

SCK0

CLK Output

Serial clock output. (Not used)

36

P60

OPICGA

Output

P.U. detection sensitivity switching output.

37*

P57

N.C.

Output

Reserve

38

P56

SGAIN

Input

RF amplifier gain switching output.

39

P55

DISCP

Input

RF amplifier TE polarity switching output.

40

P54

JPNP

Input

Kana conversion/kana input presence/absence determination.

41

P53

RMTCNT

Input

Remote control power supply ON/OFF control.

42

P52

AUPON

Output

1-bit audio power supply ON/OFF.

43

P51

RACLK

Output

Audio IC data click output.

44*

P50

TEST1

Input

Test mode setting input 1.

45

P47

_MCPGI

Input

Microphone plug insertion detection input.

46

P46

_INPGI

Input

Line/digital plug insertion detection.

47

P45

INPGCK

Input

Line/digital plug type detection.

48

P44

SENSE

Input

System LSI servo sense input.

49

P43

SLCNT1

Output

Stepping motor drive output 1.

50

P42

SLCNT2

Output

Stepping motor drive output 2.

51

P41

SLCNT3

Output

Stepping motor drive output 3.

Pin No.

Function

Port Name

Terminal Name Input/Output

IC401  RH-iX0588AWZZ : System Microcomputer (IX0588AW) (1/2)

In this unit, the terminal with asterisk mark (*) is open terminal which is not connected to the outside.

Содержание MD-DR470H

Страница 1: ...BLESHOOTING 41 FUNCTION TABLE OF IC 44 PARTS GUIDE EXPLODED VIEW PACKING METHOD MD DR470H FOR U K ONLY SERVICE MANUAL SHARP CORPORATION No S1309MDR470HS This document has been published to be used for after sales service only The contents are subject to change without notice In the interests of user safety the set should be restored to its original condition and only parts identical to those speci...

Страница 2: ...the laser beam 1 When the cabinet has been removed the power is turned on without a compact disc and the Pickup is on a position outer than the lead in position the Laser will light for several seconds to detect a disc Do not look into the Pickup Lens 2 The Laser Power Output of the Pickup inside the unit and replacement service parts have already been adjusted prior to shipping 3 No adjustment to...

Страница 3: ... 4 times long When using the rechargeable battery fully charged included with the unit Continuous recording Approx 10 5 hours Continuous play Approx 27 hours Continuous recording Approx 15 hours Continuous play Approx 35 hours Continuous recording Approx 22 hours Continuous play Approx 42 hours When using one commercially available high capacity AA size LR6 alkaline battery The rechargeable batter...

Страница 4: ... Continuous play Approx 27 hours Continuous recording Approx 15 hours Continuous play Approx 35 hours Continuous recording Approx 22 hours Continuous play Approx 42 hours When using one commercially available high capacity AA size LR6 alkaline battery The rechargeable battery is in the unit discharged Continuous recording Approx 13 hours Continuous play Approx 41 hours Continuous recording Approx ...

Страница 5: ...tor 23 Alarm Indicator 24 Disc Mode Indicator 25 Character Time Information Indicator 26 Recording Mode Indicators 27 Group Indicator 28 My Entry Indicator 1 2 3 4 5 6 7 8 10 9 11 12 13 14 15 16 17 18 19 20 21 26 27 28 22 23 24 25 Remote control unit 1 Earphones Socket 2 Bass Button 3 Display Button 4 Mode Button 5 Group Button 6 Volume Buttons 7 Stop Power Off Button 8 Fast Reverse Button 9 Play ...

Страница 6: ...he use of the screws with length other than specified may cause contact with the mechanism unit resulting in malfunction 3 When repairing pay close attention so not to damage the IC from static electricity REMOVAL PROCEDURE STEP FIGURE Figure 6 1 Figure 6 2 Figure 6 4 Caution Carefully handle the main PWB and flexible PWB After removing the flexible PWB 1 for the optical pickup from the connector ...

Страница 7: ...he sled motor Note Take care so that the motor gear is not damaged If the gear is damaged noise is caused How to remove the magnetic head ass y See Fig 7 4 1 Remove the screws D1 x 2 pcs of the magnetic head ass y and the optical pickup and remove the solder joints D2 x 2 of the head flexible plate Note Mount carefully so as not to damage the magnetic head How to reinstall the optical pickup See F...

Страница 8: ...ors RUNTK0613AFZZ ADJUSTMENT Test disc MD adjustment needs two types of disc namely recording disc low reflection disc and playback only disc high reflection disc Type Test disc Parts No Note Use the low reflection disc on which music has been recorded Figure 8 Extension Relay PWB RUNTK0613AFZZ Extension Cable QCNWN6936AFZZ MD Mechanism Mechanism Flexible PWB CN601 Operation Button Flexible PWB As...

Страница 9: ...Mode Temperature is displayed Seeing the displayed adjustment value perform preliminary manual adjustment Error rate indication jump test 6 MANU 2 Mode Temperature is displayed Seeing the displayed adjustment value perform ATT attenuator manual adjustment Continuous playback is performed error rate display jump test 7 E_DATA display Error information is displayed Mode Error information is initiali...

Страница 10: ...in unit LCD _ _ Level meter Internal mode Address Cluster section Address Sector section Selection of sound volume BASS etc is possible without indica tion Recording is also possible If the STOP button is pressed during operation in the NORMAL mode the NORMAL mode is cancelled and the power is turned off 8 E_DATA display Mode Reversing when REVERSE button is pressed When the STOP button is pressed...

Страница 11: ... C 17 o C 19 o C 02 h 17 8 o C 20 o C 22 o C 01 h 20 7 o C 23 o C 25 o C 00 h 23 6 o C 26 o C 27 o C 01 h 26 5 o C 28 o C 30 o C 02 h 29 4 o C 31 o C 33 o C 03 h 32 3 o C Center temperature Ambient temperature Temperature correction Center temperature 8 o C 10 o C 08 h 0 5 o C 3 o C 21 o C 07 h 12 0 o C 14 o C 33 o C 06 h 23 6 o C 26 o C 43 o C 05 h 35 0 o C 2 Temperature measurement value correct...

Страница 12: ... T F 2 _ E0 H T f 0 _ 10 H T f 1 _ 40 H T f 2 _ E4 H T F S _ 00 H T B o _ 20 H T B t _ 34 H T K o _ 20 H T K t _ 32 H T K T _ 16 H T D o _ 67 H T D t _ 0E H T D T _ 16 H S C o _ 00 H S C t _ 3A H S C m _ 48 H C L p _ 24 H C L r _ 38 H J P I _ 0E H T H P _ 02 H T H G _ 02 H T 0 P _ F0 H T 0 G _ EF H T 1 P _ 18 H T K n _ 11 H T K N _ 26 H T K L _ 40 H Item display Set values Tracking setting Item di...

Страница 13: ...00 H U S 1 _ 00 H U S 2 _ 00 H w E 0 p 54 H w E 2 _ 46 H w E 3 p 05 H w E 3 g 00 H Item display Set values Control setting Item display Set values w E A _ 16 H w E F _ 00 H K 1 0 _ 0F H K 1 1 _ 8E H R M 0 0 59 H R M 0 1 30 H R M 0 2 36 H R M 0 3 42 H R M 0 4 0C H R M 0 5 0D H R M 0 6 3F H R M 0 7 30 H R M 0 8 42 H R M 0 9 5F H R M 0 A 41 H R M 0 B 5F H R M 0 C FD H R M 0 D 6F H R M 0 E 40 H R M 0 ...

Страница 14: ...13A PLAY is pushed Normality completion In such cases as the battery Performance mode Normal Playback volume 28 LINE REC volume 30 Microphone REC volume 20 Resume setting Cancellation To the test mode stop Test mode menu Volume Up Volume Down Version indication 2 seconds EEPROM version Test Mode Start Completion method All the lighting T E S T Starting method of the test mode When the unit is in t...

Страница 15: ...P UP SKIP DOWN SKIP UP When the STOP button is pressed in specific menu the TEST MODE STOP state is set When the VOLUME UP button is pressed in the TEST MODE STOP state the program version is displayed for 2 seconds When the VOLUME DOWN button is pressed in the TEST MODE STOP state all the displays appear for 2 seconds Pre manual adjustment menu ATT manual adjustment menu Continuous playback menu ...

Страница 16: ...initial setting 1 3 AB input LPFABO level setting 1 4 Focus ATT initial setting 1 6 TCRS input offset measurement It is necessary for each test mode where servo operation is made to complete the preliminary adjustment Otherwise ErADJ appears The preliminary adjustment complete state is stored on the EEPROM protected field ATT auto adjustment menu ATT adjustment error adjustment value output During...

Страница 17: ...AUTO2 Practice finish YES YES E r A D J AUTO2 Practice No error A D J N G NO NO YES NO 0 9 5 0 H REC H B L B S Q A P Continuous playback pit section Continuous playback groove section Address High reflection pit section B ATT focus setting Low reflection groove section B ATT focus setting ATT setting REC REC In the continuous playback state the number of jump lines changes as follows shown the Rem...

Страница 18: ...s setting state the start address change digit changes when the REC button is pressed In the start address set state the value of selection digit changes in the range of 0h to Fh when the SKIP UP DOWN button is pressed In the continuous record state and start address set state the record laser power changes in the range of 0h to Fh when the VOLUME UP DOWN button is pressed Initial value 0DH A d 0 ...

Страница 19: ... T C SKIP UP SKIP DOWN S E SKIP UP SKIP DOWN S F SKIP UP SKIP DOWN SKIP UP SKIP DOWN Pit section EF signal level measurement LPFEFO Measurement value Groove section EF signal level measurement LPFEFO Measurement value TCRS signal level measurement TCRSMIO Measurement value A ATT focus initial setting ATT setting B ATT focus initial setting ATT setting TCRS signal offset TCRSO measurement Measureme...

Страница 20: ...entative setting B ATT focus tentative setting A ATT focus tentative setting B ATT focus tentative setting DISP DISP DISP DISP ATT manual adjustment menu Temperature code indication Temperature code Laser ON play power Pit section E ATT tracking setting ATT setting Pit section F ATT tracking setting ATT setting High reflection A ATT focus setting Low reflection A ATT focus setting ATT setting TCRS...

Страница 21: ...DOWN button is pressed If the DISP button is pressed the display changes as follows REC REC If the Remote Controller BASS button is pressed in the laser ON state with no disc or the lid open laser power changes as follows Playback power Record power Maximum power BASS L O N P L O N R L O N M EFMIO measurement value indication REPEAT 1 Mark lighting LPFFINO measurement value indication 1 Mark light...

Страница 22: ... C H SKIP UP SKIP DOWN S A SKIP UP SKIP DOWN SKIP UP SKIP DOWN When the STOP button is pressed in specific menu the TEST MODE STOP state is set In the specific setting display state the setting change digit changes when the REC button is pressed In the case of the setup value two digits 1st digit initial value 2nd digit In the case of the setup value three digits 1st digit initial value 2nd digit ...

Страница 23: ... of the setup value three digits 1st digit initial value 2nd digit 3nd digit In the specific state the setting changes in the range of 0h to Fh when the VOLUME UP DOWN button is pressed REC REC REC Test mode normal playback menu Normal playback mode Mode and address indication PLAY N O R M A L Test Mode Normal Playback When the STOP button is pressed in specific menu the TEST MODE STOP state is se...

Страница 24: ...IP UP SKIP DOWN SKIP UP TEMP setting menu TEMP standard value setup Setup value Temperature code TEMP A D input value indication PLAY T e m p TEMP Setting T M T P i n SKIP UP SKIP DOWN When the STOP button is pressed in specific menu the TEST MODE STOP state is set When the DISP button operation is performed in the specific state the menu changes to TEMP SETTING menu When the REC button is pressed...

Страница 25: ...C402 24WC5UI2 EEPROM 29 31 5 9 16 48 57 74 76 86 10 33 91 14 15 3 98 100 2 5 7 4 49 51 59 66 IC431 80820CLN RESET IC813 74LCX244T LOGIC SW901 PROTECT SW401 EJECT SW402 OPEN 52 61 71 67 2 5 V VDD1 1 5 V 2 5 V 2 5 V VDD2 Q843 2 5V REGULATOR 6209B23M 2 3V REGULATOR IC771 IC501 AK5355VT AD CONVERTER IC701 IR3R61U6 AUDIO INPUT AMP 1 9 13 5 2 3 19 1 6 7 14 16 J701 OPTICAL LINE IN J702 MIC IN J703 REMOTE...

Страница 26: ... RF1 RF3 RF4 RF2 F T F T F E AGND MP R VCC OPIC CVCC COM A B VCC DGND DGND LDVAR LDON 1 0 G S V Z S Z 0 G 1 V S Z 0 G 1 V ESW BOUT MODE SW EFMAGC ASW BSW FSW TCGO OPICPW VCC2 WBO GND2 ADIPNF ADAGI 2 1 DCNF VCC1 BIAS GND1 NIN PITG 3 4 PIN 1 2 1234 AOUT BOUT EOUT DTEMP SGAIN DISC BPF R and SW DIFF ADIP AGC BIAS RF1 RF2 RF3 RF4 REFI REFO RFADD TCGI AIN BIN EIN FIN FOUT EOUT AOUT ADIPO ADAGC EFMO OPTI...

Страница 27: ...I QH A B C D CK INH VCC A SI H B E QH G CK GND F S L VCC CK INH D C QH PWMOUT PON PWMOUT PWMVDD PWMVDD MUTE VDDX VDD5 DGND4L VDD5 X700KO DGND4R VDD4LR VDD1 VDD2 DGND EFMMON AGND2 DGND VDD1 FOK SFSY SBSY SBO SBCK DEFECT DHPIN CDBCLK CDLRCK CDDATA DIN2 XO XI DGND LOUTX LOUT ROUT ROUTX AGND4 AVCC4 VOLDAC VDD3 VDD1 EFMOX PLLCK AGND3 PLLBVC EXTC AVCC3 AGND1 AVCC1 EFMI TEST3 EFMO SYRS RAA11 VREF VCC GND...

Страница 28: ...SLCNT2 SLCNT1 EFMO EFMOX VCC_HEAD SPGND SPVS COMIN FIL SGND SGND VCO RMAX VCOIN MODE1 S S MUTE3 IN4 BRK PWM CLK IN3F IN3R VS3 OUT3F OUT3R PGND3 PGND2 OUT2R OUT2F VS2 PGND1 OUT1R OUT1F VS1 IN1R IN1F IN2R IN2F MUTE MUTE2 CP1 CP2 CPC1 CPC2 VG VCC VCC S1 S2 S3 SLVS FG SLGND SUCO SUO SVO SVCO SWCO SWO OUT4 VS4 PGND4 SCOM WOUT VOUT COM UOUT TGND S G2 G1 D2 D1 S1 G1 D1 S2 G2 D2 DISP REC PLAY SKIP UP MENU...

Страница 29: ...EC HPLAY DINT RESET RCAULT SENSE PCNT1 RESET HREC STOP HPLAY MICOM_VCC VCC_SERVO LSIVER HDON _MUTE SYCPW CHGON DCNT2 PCNT3 LSICNT AUPON SLCNT3 SLCNT2 SLCNT1 AVSS _EPCS EEPK _XRST SYD0 SYD1 SYD2 SYD3 SYD4 SYD5 SYD6 SYD7 _SYRD SYRS CNVSS JPNP LDVAR SGAIN RMDAT PCLID SCK0 RCLAT RACLK RADAT TEST0 EEPD OPICGA DISCP _PLAY EPRT CIN BYTE EXTAL _RESET VSS XTAL VCC NMI _DINT _REC _DCEXT RCPCNT RPLAY BUZOUT ...

Страница 30: ...NT1 D2 S1 S2 G2 S1 D1 G2 G1 D1 S2 G2 G1 S1 D1 G1 D2 G1 S1 G2 D1 R TST1 DIF PDN BCLK SEL VD VA LIN RIN LRCK SDTO MCLK VSS VCOM GND VCC GND VCC MOUTR MCINL MOUTL BIAS MINL MGND MINR B B B B B B B B B B B B B 22 22 2 22 MCH6630 10 MCH6630 74LCX86T 1 MA132WK 0 47 1M 1M 0 47 1M 1M 74LCX00M 1 MCH6630 MCH6630 AK5355VT AD CONVERTER 1 3 3 10 10 6 3 100K 10 6 3 0 01 0 47 0 47 5 6K IR3R61U6 AUDIO INPUT AMP 1...

Страница 31: ...Z5 1Y 0 1 015AZ7 5Y 33 22 µH 22 µH 0 47 15 0 47 22 µH 22 µH 0 47 15 H6630 H6630 4LCX86T 0 100 10 6 3 100K 10 6 3 0 01 100 0 47 0 47 5 6K 5 6K 6 8K 6 8K IR3R61U6 AUDIO INPUT AMP 100K 100K 1 1 100P CH 0 1 100P CH 10K 10K 1 2SD2351 W 2 2K 2SD2351 W 3 3 10 0 001 0 001 MIC IN 3 3 10 6 8K 6 8K 100 3 3 10 39K 3 3 10 4 7K 4 7K 8 2K 0 1 1K LOGIC OPTICAL LINE IN TROL ES 493 D491 C491 D494 L491 L762 L752 C78...

Страница 32: ...UT1 PGND PVCC VCC GND VCC B B B B B B B B B B B B B B B B B B 390K 680K 0 1 270P CH 27K 27K 680K 5 6K 47P CH 180K 1 2M 0 047 270K 150K 1 IR3M17U6 100 µH 1 22 6 3 47 µH 47 6 3 10K 220K 270P CH 220K 10K 120P CH RB521S30 1 10 µH 1 MCH3409 DG1H3 22 6 3 47 6 3 100K 0 1 8358B25C DG1H3 MCH3409 47 µH 47 6 3 1 1 MA793 1 MA793 1 1 MA793 6209B45M 1 0 33 220 4 22 22 10 MCH6630 10 MCH6630 74LCX244T 1 FDG312 P ...

Страница 33: ...N 1 10K 56K 2SC4617 R 33K 22K 0 1 560K F10J2E 2 2 ECH8601 630mA MCH6405 220 4 2SC4617 R 220K 100K 2SA1774 R 100K 1K XP04501 100K 560K 0 1 56K 15K 120K 47K 0 1 22 2 2K 0 1 1 470K S89110AC OP AMP 470K 10K 0 1 0 1 0 1 0 1 0 1 27K XP04313 S89110AC OP AMP 0 1 2 7K 5 6K 0 1 1 1 DG1M3 1K 0 1 12K 100K 100K 0 1 1 1A 100 MHz DC IN 100 MHz 100 MHz 100 MHz FDG312 P 100K 330K 0 047 015Z5 1Y 015Z5 1Y 0 1 015AZ7...

Страница 34: ... Q801 R702 C702 1 3 4 5 1 1 3 3 4 4 5 5 1 1 5 7 8 10 14 5 10 12 13 15 20 24 1 5 10 15 20 25 30 32 33 35 40 45 50 55 60 64 65 70 75 80 85 90 95 96 100 105 110 115 120 125 128 97 MAIN PWB A BOTTOM VIEW TP901 TP728 TP725 TP723 TP724 TP406 TP727 TP722 TP812 TP457 TP743 TP454 TP811 TP459 TP460 TP453 TP458 TP842 TP751 TP731 TP401 TP408 TP407 TP352 TP841 TP803 TP805 TP804 TP200 TP117 TP111 TP116 TP110 TP...

Страница 35: ...907 C853 R855 C750 R827 R852 R821 IC821 C825 IC813 C854 R826 R823 R825 R824 C823 C824 IC401 R820 R832 R831 C831 R833 C822 R822 XL401 C402 R401 C812 R431 D431 IC431 C431 Q843 C870 R841 R423 R411 IC402 Q809 R425 C401 R870 F800 R415 R412 R819 C215 R207 L103 L204 C165 R414 R161 R818 R865 R866 R867 R280 R417 C818 Q802 R416 Q865 Q253 CN101 R257 R284 Q828 R286 R259 C233 R233 C241 R828 R282 R258 Q252 IC24...

Страница 36: ... PWB M902 SLED MOTOR M903 LIFT MOTOR MECHANISM FLEXBLE PWB 15 M901 SPINDLE MOTOR CN101 P35 7 D TO MAIN PWB OPTICAL PICKUP 17 MAGNETIC HEAD ASS Y 16 LCD UNIT 227 CN601 REC SKIP UP STOP PLAY PAUSE GROUP MENU DISP SKIP DOWN VOLUME DOWN VOLUME UP OPERATION BUTTON FLEXBLE PWB ASS Y 226 CN451 P35 7 C TO MAIN PWB ...

Страница 37: ...44 45 46 47 48 49 50 51 52 53 54 55 56 39 1 2 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 3 1 2 V 2 5 V 1 3 V 0 V 2 5 V 0 V 1 3 V 1 3 V 1 3 V 1 3 V 1 3 V 1 3 V 1 3 V 1 6 V 0 V 0 V 0 V 0 V P 0 V 0 V 0 V 0 V 0 V 0 V 0 V 2 5 V 2 5 V 0 V P 0 V P 1 2 V 1 2 V 1 2 V P P P 2 5 V 0 V 2 4 V 0 V 0 V 0 V 2 5 V 0 V 2 5 V 0 V 0 V 0 V 0 V 0 V 2 5 V 0 V P 0 V 0 V 0...

Страница 38: ...ation ML Mylar type The indicated voltage in each section is the one measured by Digital Multimeter between such a section and the chas sis with no signal given Parts marked with 1 are important for maintaining the safety of the set Be sure to replace these parts with specified ones for maintaining the safety and performance of the set POSITION REF NO DESCRIPTION TYPES OF TRANSISTOR AND DIODE 2SA1...

Страница 39: ...2 Pin LOUT IC201 73 Pin LOUTX IC201 68 Pin ROUT IC201 69 Pin ROUTX 11 12 13 Grids 4 Single Dual Quad Octal Gain Trace CHANNEL 4 FIND ZOOM Off On Coupling Fixed variable Start of normal playback 13 Sep 02 14 24 18 1 5 s 0 50 V 5 s 1 00 V 5 s 2 00 V 5 s 5 s 2 00 V 2 3 4 BWL 1 50 mV DC 1 DC 1 18 V X 10 2 1 V DC X 10 3 2 V DC X 10 2 V DC X 10 STOPPED 10 kS s 1 3 2 1 CK208 CK210 TEMON TP656 SPW TP652 S...

Страница 40: ...AY button input Stand by Start STOPPED NORMAL STOPPED STOPPED 2 1 3 4 2 3 1 2 1 3 2 3 1 2 1 3 4 200 MS s 250 kS s SLOW TRIGGER 500 kS s 50 kS s SLOW TRIGGER 5 MS s TRIGGER SETUP Edge SMART CHANNEL 1 CHANNEL 4 TRIGGER SETUP Edge SMART TRIGGER SETUP Edge SMART trigger on 1 2 3 4 Ext Ext10 Line AC DC LFREJ HFREJ Neg POS Window holdoff Time Evts trigger on 1 1 3 4 Ext 2 Ext10 Line trigger on Ext10 Lin...

Страница 41: ...ton or main unit button is pressed Yes No Normal Yes No Yes Does the display operate normally Is playback state set Yes Is audio output normal Yes Is recording playback operation normal Yes No No No No Perform the check stated in item Abnormal display Perform the check stated in item Playback state cannot be set Perform the check stated in item Audio playback circuit Perform the check stated in it...

Страница 42: ...unted but no sound is heard during continuous playback The spindle motor does not rotate Is a pulse waveform found in pins 1 4 9 and 12 of IC751 and pins 1 4 9 and 12 of IC761 Are pins 2 5 10 and 13 of IC751 H Abnormal display No Is a waveform found in pins 8 to 10 of CN451 Is pin 2 VCC and pin 6 GND of CN451 normal Is a waveform found in pins 29 to 31 of IC401 Check the pattern and soldering of S...

Страница 43: ...Does the RF waveform appear at TP201A when recording Playback is performed Check whether the pin 13 of IC501 and the pin 108 of IC201 are in H state Yes Yes Does a digital waveform appear in pins 9 to 12 of IC501 Insert a low reflection disc and ascertain audio output by normal playback and then set TEST REC mode Change MSL from 00 H to 80 H by the control setting of EEPROM After completing the op...

Страница 44: ...DD2 Input Power supply for interface 29 DGND GND for interface 30 ACRCER Output CRC error flag monitor output of ADIP 31 TCRS Output Track cross signal 32 PLLCK Three state Output EFM PLL clock output on playback 33 FEMON Output Focus error signal monitor output 34 TOTMON Output Total signal monitor output Series resistor 10 100 kohm built in 35 TEMON Output Tracking error signal monitor output 36...

Страница 45: ... Output 1 bit PWM Rch 70 VDD4RX Input Analog power supply 71 MUTE Output Mute output 72 LOUT Output 1 bit PWM Lch 73 LOUTX Output 1 bit PWM Lch reversed phase 74 DGND4L Digital GND 75 76 FWXVDD Input PWM power supply 77 78 FWXOUT PWM power supply 79 FOX Output Focus OK detection signal 0 focus OK 80 DGND Digital GND 81 VDDX Input Internal digital power supply 82 XI Input Oscillation circuit input ...

Страница 46: ... Output Terminal of interrupt request output to system control interface 115 VDD1 Input Power supply for interface 116 DGND Digital GND 117 RSTX Schmidt Input Chip reset input L reset Note 118 SYD0 Schmidt Input Data bus terminal of system control interface LSB Three state Output 119 124 SYD1 SYD6 Schmidt Input Data bus terminal of system control interface Three state Output 125 SYD7 Schmidt Input...

Страница 47: ... C Output Reserve 27 P71 N C Output Reserve 28 P70 N C Output Reserve 29 TXD1 DSPDAT Output Main unit display data output 30 P66 DSPSTB Output Main unit display strobe output 31 CLK1 DSPSCK Output Main unit display data clock output 32 P64 TEST0 Input Test mode setting input 0 33 TXD0 RMDAT Output Remote control display data output 34 P62 RXD0 PCLID Input Jig IF data input 35 CLK0 SCK0 CLK Output ...

Страница 48: ...n output 69 P21 LDON Output P U laser ON OFF control output 70 P20 PCNT2 Output Power supply selection bypass ON OFF selection 71 P17 ARQD Input Disc lid open close detection rise request 72 P16 _STOP Input Main unit STOP button operation detection input 73 P15 _DCEXT Input DC IN presence absence detection 74 P14 _XRST Output System LSI hardware reset output 75 P13 PCNT1 Output System power supply...

Страница 49: ...7 18 IN3F IN3R H bridge 3 logic input terminal 19 VS3 H bridge 3 power terminal A capacitor is connected to the paired GND 20 OUT3F H bridge 3 forward output terminal 21 OUT3R H bridge 3 reverse output terminal 22 PGND3 H bridge 3 output section GND terminal 23 PGND2 H bridge 2 output section GND terminal 24 OUT2F H bridge 2 forward output terminal 25 OUT2R H bridge 2 reverse output terminal 26 VS...

Страница 50: ... 2 2 In this unit the terminal with asterisk mark is open terminal which is not connected to the outside 49 SLGND GND of 3 phase thread output section 50 SUCO Position detection comparator output terminal of thread driver section 51 SUO 3 phase thread U phase output terminal 52 SVO 3 phase thread V phase output terminal 53 SVCO Position detection comparator output terminal of thread driver section...

Страница 51: ...ithout lead wire VC MN Cylindrical type without lead wire VC TV Square type without lead wire VC TQ Square type without lead wire VC CY Square type without lead wire VC CZ Square type without lead wire VC J The 13th character represents capacity difference J 5 K 10 M 20 N 30 C 0 25 pF D 0 5 pF Z 80 20 If there are no indications for the electrolytic capacitors error is 20 Resistors VRD Carbon film...

Страница 52: ...0J2E D841 VHDDG1H3 1 J AC Silicon DG1H3 D842 844 VHDMA793 1 J AC Silicon MA793 D862 VHDDG1H3 1 J AC Silicon DG1H3 COILS L100 VPBNN100K0000 J AC 10 µH L103 RCILZ0060AWZZ J AB 100 MHz Tip Impeder L171 RCILC0356AFZZ J AC 10 µH L204 RCILC0353AFZZ J AB 100 MHz Tip Impeder L210 RCILC0358AFZZ J AC 47 µH Choke L401 VPCBM101K0000 J AC 100 µH L455 456 RCILC0353AFZZ J AB 100 MHz Tip Impeder L457 RCILZ0061AWZ...

Страница 53: ...R243 245 VRS CZ1JB331J J AB 330 ohms 1 16W R253 VRS CZ1JB272D J AA 2 7 kohms 1 16W R254 VRS CZ1JB562J J AB 5 6 kohms 1 16W R255 VRS CZ1JB273D J AA 27 kohms 1 16W R257 VRS CZ1JB103J J AA 10 kohm 1 16W R258 VRS CZ1JB563J J AA 56 kohms 1 16W R259 VRS CZ1JB333J J AB 33 kohms 1 16W R272 VRS CZ1JB474D J AA 470 kohms 1 16W R273 VRS CZ1JB473D J AA 47 kohms 1 16W R274 VRS CZ1JB563D J AA 56 kohms 1 16W R275...

Страница 54: ...201 2 LANGZ0064AWFC J Bracket Lock 202 GCAB 1225AWSA J AN Center Cabinet 203 GCABB3023AWSA J AT Bottom Cabinet MD DR480H S for Australia New Zealand Korea Hong Kong 203 GCABB3023AWSB J AT Bottom Cabinet MD DR480H BL for Australia New Zealand Korea Hong Kong 203 GCABB3025AWSA J AT Bottom Cabinet For MD DR470H S 203 GCABB3025AWSB J AT Bottom Cabinet For MD DR470H BL 203 GCABB3027AWSA J Bottom Cabine...

Страница 55: ...053AWM1 J AU Charging Stand For MD DR480H S 19 RUNTZ0053AWM2 J AU Charging Stand For MD DR480H BL 20 TLABG0002AWZZ J AB Label Hong Kong MD DR480H for Hong Kong Only 21 92LBAG1770A J AB Polyethylene Bag Charging Stand For MD DR480H Only 22 TLABG0002AWZZ J AB Label Hong Kong MD DR480H for Hong Kong Only 23 TLABS0294AWZZ J AB Label CPA For MD DR480H Only 24 TLABZ1379AWZZ J Label Feature MD DR470H Exc...

Страница 56: ...MD DR470H MD DR480H A B C D E F G H 1 2 3 4 5 6 Figure 5 MD MECHANISM EXPLODED VIEW 5 M901 M902 M903 501 9 503x2 16 17 14 11 13 5 507 501x3 506x2 505 502 1 8 507 12 504 2 4 15 3 6 10 7 ...

Страница 57: ... Figure 6 CABINET EXPLODED VIEW 6 OPEN OPEN 601x2 601x2 201 1 201 201 2 209 223 208 226 227 215 211 603x2 228 222 207 PWB A 216 601 202 601 210 217 205 219 220 213 225 225 225 225 214 212 206 602 602x2 601x2 601 204 601 601 601 203 221 MD MECHANISM ...

Страница 58: ... 15 Quick Guide TiNSE0514AWZZ 16 Label Feature for Set TLABZ1408AWZZ 17 Carrying Case UBAGC0007AWSA 18 Rechargeable Battery UBATM0009AWSA 1 Battery Case GCASZ0005AWSA 2 Battery Carrying Case PCoVW1015AWZZ 3 Connecting Cord QCNWG0029AWZZ 4 Output Conversion Cable QCNWG0061AWZZ 5 Optical Cable QCNWG0422AWZZ 6 PC Link Cord QCNWH0007AWZZ 7 AC Adaptor RADPA8058AWZZ 8 Earphones RPHoH0021AWZZ 9 Remote Co...

Страница 59: ...MD DR470H MD DR480H M E M O 8 ...

Страница 60: ...ored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher A0302 419DS HA M SG SK SA SZ EX SHARP CORPORATION AV Systems Group Audio Systems Division Higashihiroshima Hiroshima 739 0192 Japan Printed in Japan ...

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