JVC XV-M50BK Service Manual

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SERVICE MANUAL

DVD

STANDBY/ON

DISC

SELECT

DVD

PLAY

TV/VIDEO

MODE

PHONIC

CANCEL

RETURN

TV1

TV2

TV3

TV4

TV5

TV6

TV7

TV8

TV9

TV -/--

TV0

MUTING

+10

THEATER

ANGLE

SUBTITLE

AUDIO

POSITION

DIGEST

ZOOM

STANDBY

SELECT

STANDBY/ON

VOL

ENTER

RM-SXVM50J REMOTE CONTROL

Contents

Safety precautions ------------------------ 1-2

Preventing static electricity ------------- 1-3

Precautions for Service ------------------ 1-4

Importance admistering point

on the safety ----- 1-5

DVD VIDEO PLAYER

XV-M50BK

DISC

PLAY & EXCHANGE

DISC

DVD / VIDEO CD / CD

10-bit/27MHz VIDEO D/A CONVERTER

DISC

XV-M50

DVD/CD PLAYER

DISC TITLE CHAP

RESUME

DVD

EACH

DOLBY

D I G I T A L

2001 VICTOR COMPANY OF JAPAN, LTD.

DISC 3

DISC 2

DISC 1

THEATER

SKIP

STOP

PLAY

PAUSE

Disassembly method -------------------- 1-6

Adjustment method ----------------------- 1-21

Description of major ICs ---------------- 1-25

XV-M50BK

Area Suffix

J ------------- U.S.A.

C ---------- Canada

No.A0008

Jun. 2001

Summary of Contents for JVC XV-M50BK

Page 1 XV-M50BK SERVICE MANUAL DVD VIDEO PLAYER XV-M50BK STANDBY/ON DISC SELECT PLAY TV/VIDEO MODE PHONIC CANCEL RETURN TV -/-- MUTING THEATER ANGLE SUBTITLE AUDIO POSITION DISC 3 DIGEST ZOOM DISC STANDBY PLAY & EXCHANGE DISC 2 DISC DVD / VIDEO CD / CD...
Page 2 XV-M50BK 1. This design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits.
Page 3 XV-M50BK Preventing static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs. 1.1. Grounding to prevent damage by static electricity Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as DVD players.
Page 4 XV-M50BK Precautions for Service Handling of Traverse Unit and Laser Pickup 1. Do not touch any peripheral element of the pickup or the actuator. 2. The traverse unit and the pickup are precision devices and therefore must not be subjected to strong shock.
Page 5 XV-M50BK Importance Admistering point on the Safety F901 1.6A/125V R957 C992 D991 R956 R953 PC901 B9002 FC902 Q991 C918 FC901 K902 F901 D911 D960 D951 B9024 HS901 C902 B9026 B9201 L951 IC901 B9102 B9202 B9027 C915 C913 B9203 R903 B9105...
Page 6 XV-M50BK Top cover Disassembly method <Main body> Removing the top cover (See Fig.1) Remove the two screws A attaching the top cover on the back of the body. Remove the four screws B attaching the top cover on both sides of the body.
Page 7 XV-M50BK Removing the rear panel (See Fig.6) Rear panel Prior to performing the following procedure, remove the top cover. Remove the eleven screws D attaching the rear panel on the back of the body and detach the rear panel. Fig.6...
Page 8 XV-M50BK Removing the power supply board (See Fig.8 and 9) Rear panel CN951,CN952 Power supply board Prior to performing the following procedure, remove the top cover. Disconnect the wire from connector CN971 on the power supply board (The wire is extending from the front panel assembly).
Page 9 XV-M50BK Removing the video board Rear panel CN601 Video board (See Fig.10 and 11) Prior to performing the following procedure, remove CN704 the top cover. Disconnect the card wire from connector CN601 on the video board (The card wire is extending from the DVD changer mechanism assembly).
Page 10: Front Panel Assembly
XV-M50BK <Front panel assembly> Front panel assembly Prior to performing the following procedure, remove Bracket the top cover and the front panel assembly. Removing the front board (See Fig.14 and 15) Remove the two screws I on the back of the front...
Page 11 XV-M50BK <DVD changer mechanism assembly> DVD changer mechanism assembly Prior to performing the following procedure, remove the top cover and the DVD changer mechanism assembly. Removing the traverse mechanism control board (See Fig.17) Disconnect the card wire from connector CN101 on...
Page 12 XV-M50BK <DVD Changer Mechanism Section> Removing the DVD mechanism board (See Fig.1) Remove the DVD changer mechanism assembly. From bottom side the DVD changer mechanism assembly, remove the one screw A retaining the DVD servo control board. Disconnect the card wire from the connector CN101 on the DVD servo control board.
Page 13 XV-M50BK Stopper Check whether the lifter unit stopper has been caught into the hole at the section e of DVD tray assembly as shown in Fig.5. Make sure that the driver unit elevator is positioned as shown in Fig.6 from to the second or fifth hole on the left side face of the DVD Traverse mechanism assembly.
Page 14 XV-M50BK Cams R1, R2 assembly Removing the DVD mechanism assembly(See Fig.10) While turning the cams R1 and R2 assembly in the arrow direction h , align the shaft i of the DVD mechanism assembly to the position shown in Fig.10.
Page 15 XV-M50BK Removing the mechanism control board (See Fig.14, 15) Motor L Motor R Absorb the four soldered positions m of the right and left motors with a soldering absorber(See Fig.14). Remove the two screws H retaining the mechanism control board(See Fig.14).
Page 16 XV-M50BK Removing the actuator motor and belt Gear bracket (See Fig.19 Remove the two screws K retaining the gear bracket (See Fig.19). While pressing the pawl p fixing the gear bracket in the arrow direction, remove the gear bracket Pulley gear (See Fig.19).
Page 17 XV-M50BK Slit washer Removing the cams R1/R2 assembly and cam gear L (See Fig.23) Cam R2 Slit washer Remove the slit washer fixing the cams R1 and R2 assembly. Cam gear L By removing the two pawls s fixing the cam R1, separate R2 from R1.
Page 18 XV-M50BK Pickup unit < DVD Traverse mechanism section> Removing the pickup (See Fig.1 to 5) Flexible board Solder soldering a on the flexible board next to the pickup unit. From the bottom of the traverse mechanism unit, disconnect the flexible wire from CN12 on the pickup board.
Page 19 XV-M50BK Removing the pickup board (See Fig.1 and 6) Pickup unit Solder soldering a on the flexible board next to the pickup unit. Flexible board From the bottom of the traverse mechanism unit, disconnect the flexible wire from CN12 on the pickup board.
Page 20 XV-M50BK Removing the turn table assembly Pickup unit (See Fig.1, 6, 8 and 9) Solder soldering a on the flexible board next to the Flexible board pickup unit. From the bottom of the traverse mechanism unit, disconnect the flexible wire from CN12 on the pickup board.
Page 21 XV-M50BK Adjustment method (1) Initialization method If microprocessor (IC401,IC402,IC403) or pick-up is replaces, initialize the DVD player in the following matter 1)Take out the disc and close the tray. 2)Unplug the power plug. 3)Insert power plug into outlet while pressing both PLAY button and DISC 1 OPEN/CLOSE button.
Page 22 XV-M50BK For Jitter value The jitter value is displayed by the hexadecimal number and refer to the conversion table of following,please. If the indication value is 11% or less, it can be judged by this simple checking method that the signal read precision of the set is satisfactory.
Page 23 XV-M50BK When replacing a pickup etc., execute the following adjustments: CN10 Pickup replacement Traverse 1. When removing the traverse mechanism from the CN12 mechanism changer mechanism unit, move the pickup to the innermost diameter of the disc and set switch (S11) on the pick-up board on "SHORT"...
Page 24 XV-M50BK Integrated wiring for adjustment Extension cord QUQ605-4040AJ 1. Place a board on top of the unit and put the changer on it. Then carry out the wiring of the main unit. 2. Connect a extension cable to the traverse mechanism for adjustment and then connect them to the changer.
Page 25 XV-M50BK Description of major ICs AN8706FHQ (IC101) : Front end processor 1.Pin layout RDCKP CBDOFS RDCKN RBCA RDTP TESTSG RDTN RFINP GND5 RFINN GND4 VCC2 VCC4 GND2 DTMONN VREF2 DTMONP COFTFS DSLFLT COFTFL DSLO RFON FLTOUT RFOP AN8706FHQ DCFLT VREF3...
Page 26 XV-M50BK 3.Pin function AN8706FHQ (1/2) Pin No. Symbol Functions LDONB Laser ON (CD Head) terminal LDONA Laser ON (DVD Head) terminal LPCOA Laser drive output terminal LPC1 Laser PIN input terminal VHARF VHALF voltage output terminal TGBAL Tangential phase balance control terminal...
Page 27 XV-M50BK AN8706FHQ(2/2) Pin No. Symbol Functions VCC5 Power terminal 5 (3.3V) IDGT Data slice address part gate signal input terminal (For RAM) DTRD Data slice data read signal input terminal(For RAM) CAPA Data slice CAPA(Address)signal input terminal (For RAM) VCC3...
Page 28 XV-M50BK MN67705EA (IC201) : Digital servo controller 1.Terminal layout AVSS LDONA TS(AD1) LDONB FS(AD2) PULIN FE(AD3) TROFS(AD4) DVSS TE(AD5) TRAYSET1 VREFLDA TRAYSET2 VREFMDA DRVMUTE VREFHDA DVDD TG(AD6) TRVSW N.C.(AD7) TRAY-CLOSE N.C.(AD8) TRAY-OPEN RFENV(AD9) ST/SP VREFOP MN67705 HFMON LDCUR(AD10) JITOUT(AD11) DVSS...
Page 29 XV-M50BK 3.Pin function MN67705EA (1/3) Pin No. Symbol Function H fixation LDONA Laser drive controlA (ON / OFF) LDONB Laser drive controlB (ON / OFF) PULIN DSL and PLL high boost signal (FEP) Head amplifier gain H/L selection DVSS Ground for digital circuit...
Page 30 XV-M50BK MN67705EA (2/3) Pin No. Symbol Function IREF3 Connects with unused DVSS VCOF2 Connects with unused DVSS DVSS Ground for digital circuit VCOE3 Connects with unused DVSS DVSS Ground for digital cirucuit DVDD Power supply for digital cirucuit SUBC CD sub-code (ODC)
Page 31 XV-M50BK MN67705EA (2/3) Pin No. Symbol Function IREF3 Connects with unused DVSS VCOF2 Connects with unused DVSS DVSS Ground for digital circuit VCOE3 Connects with unused DVSS DVSS Ground for digital cirucuit DVDD Power supply for digital cirucuit SUBC CD sub-code (ODC)
Page 32 XV-M50BK MN67705EA(3/3) Pin No. Symbol Function FS (FEP) FS(AD2) TS (FEP) TS(AD1) Ground for analog cirucuit AVSS Power supply for analog circuit AVDD Focus balance(FEP) FBAL(DA1) Cutting off frequency (FEP) FC(DA2) Amount of boost (FEP) BOOST(DA3) DSL offset balance (FEP)
Page 33 XV-M50BK M56788FP-W (IC271) : Traverse mechanism driver 1.Terminal layout REG+ CH3IN REGB OUT3 IN1+ IN3- VBS1 VBS2 IN1- OUT1 VM1- IN3+ VM1+ VM3- VM3+ VM2+ VM2- VM4+ OUT2 VM4- VM5+ IN2- VM5- OUT5 IN2+ MUTE1 IN5- IN5+ MUTE2 SS.GND IN4+...
Page 34 XV-M50BK MN103007BGA (IC301) : Optical disc controller 1.Terminal layout HDD15 SBCK HDD0 HDD14 5VDD HDD1 PVDD HDD13 PVSS HDD2 OSCO1 HDD12 OSCI1 HDD3 LRCK HDD11 BLKCK HDD4 IPFLAG HDD10 DACCLK 5VDD DACLRCK HDD5 DACDATA HDD9 NTRON MN103007BGA HDD6 JMPINH HDD8...
Page 35 XV-M50BK 3.Pin function MN103007BGA(1/4) Symbol Function Pin NO. HDD15 ATAPI data HDD0 ATAPI data HDD14 ATAPI data 5VDD HDD1 ATAPI data HDD13 ATAPI data HDD2 ATAPI data HDD12 ATAPI data HDD3 ATAPI data HDD11 ATAPI data HDD4 ATAPI data HDD10...
Page 36 XV-M50BK MN103007BGA(2/4) Symbol Function Pin NO. CPUADR10 System control address CPUADR9 System control address CPUADR8 System control address CPUADR7 System control address CPUADR6 System control address CPUADR5 System control address CPUADR4 System control address CPUADR3 System control address CPUADR2 System control address...
Page 37 XV-M50BK MN103007BGA(3/4) Symbol Function Pin NO. Land / group switch NTRON Tracking ON DACDATA Serial output DACLRCK L and R identification output DACCLK Clock for serial output IPFLAG Interpolation flag input BLKCK Sub-code,Block clock input LRCK L and R identification signal output OSCI1 16.9MHz oscillation...
Page 38 XV-M50BK MN103007BGA(3/4) Symbol Function Pin NO. Land / group switch NTRON Tracking ON DACDATA Serial output DACLRCK L and R identification output DACCLK Clock for serial output IPFLAG Interpolation flag input BLKCK Sub-code,Block clock input LRCK L and R identification signal output OSCI1 16.9MHz oscillation...
Page 39 XV-M50BK TC7SH08FU-X (IC311) : Timing control TC7SH32FU-X (IC312) : 2 Input Single OR Gate 1.Terminal layout 1.Terminal layout IN B IN A OUT Y TC74VHC00FT-X (IC322,IC503) : Write timing control 1.Terminal layout / Block diagram TC74VHC125FT-X (IC411) : Buffer 1. Pin layout & block diagram 2.
Page 40 XV-M50BK IC-PST9140-T (IC702) : TC7S07F-W (IC704) : 2 Input Single AND Gate SYSTEM RESET 1.Terminal layout 1.Terminal layout IN B IN A GND NJM4580M-X (IC741,IC751) : PQ05RD21 (IC951) : Regulator Dual Operational Amplifier 1.Terminal layout 1.Terminal layout (TOP VIEW) A OUTPUT...
Page 41 XV-M50BK ZIVA-4.1-PA2(IC501):Back end - Digital decoder 1.Terminal layout 2.Pin function (1/5) Pin No. Symbol Description Read strobe input Read/write strobe input Power supply terminal 3.3V Transfer not complete / data acknowledge. WAIT Active LOW to indicate host initiated transfer is complete.
Page 42 XV-M50BK 2.Pin function (2/5) Pin No. Symbol Description Connect to ground Non connect Non connect Non connect Non connect Non connect Programmable I/O terminal PIO0 Connect to ground Power supply terminal 3.3V Programmable I/O terminal PIO1 Programmable I/O terminal PIO2...
Page 43 XV-M50BK 2.Pin function (3/5) Pin No. Symbol Description SDRAM address MADDR6 SDRAM address MADDR5 Power supply terminal 2.5V Connect to ground SDRAM address MADDR4 SDRAM write enable Active LOW SDRAM column address SD-CAS Power supply terminal 3.3V Connect to ground...
Page 44 XV-M50BK 2.Pin function (4/5) Pin No. Symbol Description Connect to ground Non connect VSS_DAC Connect to ground for analog video DAC VSS_VIDEO Connect to ground for analog video DAC video output format : CVBS. Macrovision encoded CVBS VDD_DAC Power supply terminal for analog video DAC...
Page 45 XV-M50BK 2.Pin function (5/5) Pin No. Symbol Description DVD parallel compressed data from DVD DSP. or CD-G clock indicating DVD-DATA7/CDG-SCLK sub code data clock input or output VDACK In synchronous mode, bitstream data acknowledge. Asserted when DVD data is valid.Polarity is programmable...
Page 46 XV-M50BK MN101C12G (IC701) : System micom 1.Terminal layout 100 ~ 76 26 ~ 50 2.Pin function Pin No. Symbol Function A set bit0 (It is effective in the U.E version) A set bit1 (It is effective in the U.E version) A set bit2 (It is effective in the U.E version)
Page 47 XV-M50BK MN101C12G (2/2) Pin No. Symbol Function 48kHz, 96kHz switch CHREQ Changer communication REQUEST CHST Changer communication STROBE CHDATA Changer communication DATAI/O Un used CHCK Changer communication CLOCK FLDATAO FL driver communication DATAO FLDATAI FL driver communication DATAI FLCK FL driver communication CLOCK...
Page 48 XV-M50BK MN35503-X (IC703) : D/A CONVERTER 2.Block diagrams 1.Terminal layout DF BLOCK LRCK DE-EMPHASIS LRCK DVDD1 BLOCK XOUT IIR FILTER BLOCK BLOCK DVDD2 XOUT DVSS2 DVSS1 8fs OVER SAMPLING DIGITAL FILTER OUT1C OUT2C MODE CONTROL AVDD2 AVDD1 BLOCK 1ST ORDER NOISE...
Page 49 XV-M50BK BA41W12ST-V5 (IC711) : Regulator 1.Block diagrams 2PIN V ref 1PIN OUT1 5PIN 4PIN 3PIN OUT2 STR-G6651 (IC901) : Switch regulator 1.Block diagrams 1-49...
Page 50 XV-M50BK GP1U271X (IC801) : Receiver for remote controller 1.Block diagram – Limiter Integrator Comparator Demodulator B.P.F Amp. Vout TC7WH74FU-X (IC321) : Clock buffer TC7W125FU-X (IC412) : Buffer 1. Terminal layout 1.Terminal layout (TOP VIEW) 2. Block diagram 2.Block diagram NJM78M05FA ( IC953 ) : Regulator 1.Terminal layout...
Page 51 XV-M50BK M35500BGP (IC802) : FL Driver 1.Terminal layout DIG16/SEG9 DIG4/P4 DIG17/SEG8 DIG3/P3 SEG7 DIG2/P2 SEG6 DIG1/P1 SEG5 DIG0/P0 SEG4 SEG3 SEG2 SLCK SEG1 SOUT SEG0 1-51...
Page 52 XV-M50BK 2.Pin function M35500BGP Function Pin No. Symbol XOUT Both terminals are short-circuited on the outside, and capacity is connected. 0v is supplied to vss. Both terminals are short-circuited on the outside, and capacity is connected. RESET Reset input of active "L"...
Page 53 XV-M50BK 3. Block diagram M35500BGP DIG8/SEG17 DIG17/SEG8 SEG7 SEG0 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 DIG7/P7 DIG6/P6 DIG5/P5 Mode DIG4/P4 Display control circuit register DIG3/P3 DIG2/P2 Memory address DIG1/P1...
Page 54 XV-M50BK VICTOR COMPANY OF JAPAN, LIMITED PERSONAL & MOBILE NETWORK BUSINESS UNIT 1644, Shimotsuruma, Yamato, Kanagawa 242-8514, Japan Printed in Japan No.A0008 200106(S)
Page 55: Block Diagrams
XV-M50BK Block diagrams...
Page 56 XV-M50BK Power supply section (SHEET 6) DVD Servo control section (SHEET 1,2) CN502 CN503 CN971 CN961 CN981 CN951/CN952 WAITDEC CN101...
Page 57 XV-M50BK VIDEO OUT System control section (SHEET 3) Video out section (SHEET 4) J601 LVA10018-A3 Q601 Q611 FLRST,STANDBY IND TO CN801 FLCK,FLDATAI/O TO CN951 SHEET 5 RESET EEPROM FLCS,REMO RESET SHEET 6 IC791 IC702 POWER SW P.ON POWER X701 +12V...
Page 58 XV-M50BK Standard schematic diagrams Servo control section ( Sheet 1 ) D2.7V TP156 TP154 C317 1/16 C145 0.01/16 C103 D.GND 0.1/16 C101 560P TP565 C146 TP131 SLEEP STD7 TP306 R122 R301 C102 TP132 R121 STD6 R318 0.1/16 R317 R302 C324...
Page 59 XV-M50BK AV Decorder section AV Decorder section ( Sheet 2 ) MM3023DN-X KTC4377/C/-X D2.7V TP41 TP37 0.1/16 TP38 10/6.3 MICOUT TP39 A.GND NQL044K-100X TP40 FRON CN961 OF TP42 TP43 LEA10018 - A1 D.GND TP44 A.GND TP505 ( SHEET6 ) TP45 C550 M.GND...
Page 60 XV-M50BK System control section ( Sheet 3 ) R708 L709 TP703 R718 TP704 L710 R707 TP705 R719 TO CN502 OF LRCK R1713 R720 C704 R1724 LVA10228 - A1 U2SDT S2UDT ( SHEET 6 ) SCLK BUSY IC703 MN35505-X R797 CPURST...
Page 61 XV-M50BK Video section ( Sheet 4 ) R606 C609 R609 470/6.3 L602 R605 D609 L601 R601 R602 C601 Q601 C603 C604 R604 1SS133-T2 R603 220p 470p KTA1267/YG/-T R616 C619 R619 470/6.3 L612 R615 L611 Q611 R612 R611 C611 D619 C613...
Page 62 XV-M50BK Front section ( Sheet 5 ) R861 J851 C853 IC851 QNS0139-002 R855 NJM4580L C859 R877 C855 1/50 560P 0.47/50 C873 R859 C851 R851 R853 330P R871 R875 C857 R857 C871 1.8K R873 1/50 C865 VR871 10KB 6.8K TO CN981 OF 0.047...
Page 63 XV-M50BK Power supply section ( Sheet 6 ) T901 C951 100p QQS0076-001 Q951 C906 CP951 KTD863/Y/-T 1000p/AC250V ICP-N10-T R956 D901 TO FW801 OF S1WB/A/60-4101 R952 D951 F1T4-T2 C960 C961 C908 R901 82/10 D960 LVA10018 - A2 3300P/1K MTZJ2.0A-T2 L901 F901...
Page 64 XV-M50BK Mechanism control section ( Sheet 7 ) TO CN702 OF LVA10018 - A3 ( SHEET 3) CN801 VMC0163-R10 VQP0033-100Z L802 VQP0033-100Z L804 CN803 L801 VMC0324-12310 VQP0018-100Y IC802 TA8409S CAM0 CAM1 C801 CAM2 CAM3 C805 100/10 0.01 C804 CAM4 R832...
Page 65 XV-M50BK Connect section ( Sheet 8 ) NSW0127-001X CN12 QGF1012F1-30X CN10 NQR0265-003X QGF0501F4-40X NQR0265-003X NQR0265-003X NQR0265-003X NQR0265-003X NQR0265-003X 100P TO CN101 OF LVA10228 - A1 ( SHEET 1) NQR0265-003X NQR0265-003X GP2S60B-X NQR0265-003X S.GND TP10 QSW0620-001 TP11 TP12 TP13 2-12...
Page 66 XV-M50BK Printed circuit boards Main board DI801 FW851 R860 C864 S835 S831 S832 IC802 S834 C812 R848 C863 C820 C856 R846 R845 C814 R812 R847 R811 C813 C801 R810 R808 R813 R809 C854 R807 R802 R806 C853 R803 C865 CN801...
Page 67 XV-M50BK Servo control board Side B Side A TP203 K102 TP208 TP204 R272 K203 C259 R227 R258 R278 C279 TP212 R259 K271 C272 R279 R152 C151 C152 TP202 TP13 C273 R275 TP27 TP28 R273 C230 TP34 C153 IC102 TP201 TP33...
Page 68 XV-M50BK CD Changer mechanism switch board Block No. CD Tray switch board Connection board Block No. CN10 TP13 TP12 CN12 CN804 Cam switch board LCAM RCAM CN805 Mechanism control board Block No. 2-15...
Page 69 XV-M50BK PARTS LIST [XV-M50BK] * All printed circuit boards and its assemblies are not available as service parts. Area Suffix J ------------------- U.S.A. C --------------- Canada - Contents - Exploded view of general assembly and parts list DVD changer mechanism assembly and parts list...
Page 70 XV-M50BK Exploded view of general assembly and parts list Exploded view of general assembly 1/2 Block No.
Page 71 XV-M50BK Exploded view of general assembly and parts list Block No. Exploded view of general assembly 2/2 57 64 57 59...
Page 72 XV-M50BK (General assembly)1/2 Parts list Block No. M1MM Item Parts number Parts name Q'ty Description Area LE10246-010A FRONT PANEL VJD5429-001SS JVC MARK LE20522-001A PUSH BUTTON POWER LE40745-001A INDICATOR POWER PLAY LE20521-001A PUSH BUTTON LE30889-001A INDICATOR DISC LE20523-004A WINDOW SCREEN QYSDSF2608Z...
Page 73 XV-M50BK (General assembly)2/2 Parts list Block No. M1MM Item Parts number Parts name Q'ty Description Area QJJ015-091406 SIN CR C-C WIRE QUQ110-0918AM FFC WIRE E309662-001SM DISC STOPPER QYSBSF3008Z SCREW QYSBST3008Z T.SCREW LV20821-039A REAR PANEL QYSBSGY3008E SPECIAL SCREW REAR PANEL QYSBSGY3008E...
Page 74 XV-M50BK DVD changer mechanism assembly and parts list Block No. FLM-C5-3M Grease and screw lock EM-30L EBS0006-009B...
Page 75 XV-M50BK Parts list (DVD changer mechanism) Block No. M2MM Description Item Parts number Parts name Q'ty Area VKS1144-003 CHASSIS VKS3698-003 TRAY GUIDE VKS5532-003 PULLEY GEAR VKB3000-164 BELT VKS5505-003 GEAR B VKS5506-002 GEAR C VKS5507-002 CROSS GEAR U VKS5508-002 CROSS GEAR L...
Page 76 XV-M50BK DVD Mechanism assembly and parts list Block No. FXL-V62-1M Grease & Three bond = EBS0006-013B =CFD-4007HYS =946P =1401B Relay board 65.2 12.0 0.2mm...
Page 77 XV-M50BK Parts list (DVD mechanism) Block No.M3MM Parts number Parts name Q'ty Description Item Area LV20638-001A MECHA BASE LV20635-001A SHAFT HOLDER QYSBST2606M T.SCREW VDG1099001TSVME SP.MOTOR ASS'Y QUM193-08B2B2 PARA RIBON WIRE FOR S.BASE&M.BASE QYSBST2606M T.SCREW OPTIMA-2010B1 DVD PICKUP LV31670-001A SWITCH ACTUATOR...
Page 78: Electrical Parts List
XV-M50BK Electrical parts list Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area BK801 E308192-001 FL HOLDER C 811 NCB31CK-104X C CAPACITOR C 601 NCS31HJ-471X C CAPACITOR...
Page 79 XV-M50BK Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area CN952 QGD2501C1-04Z SOCKET J 701 QNN0170-002 PIN JACK AUDIO OUT CN961 QGA2001C1-09 9P PLUG ASSY J 702 QNS0089-001 3.5 JACK...
Page 80 XV-M50BK Electrical parts list (Mian board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area R 614 NRSA63J-0R0X MG RESISTOR R 766 NRSA63J-273X MG RESISTOR R 615 NRSA63J-221X MG RESISTOR R 767...
Page 81 XV-M50BK Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area R 969 NRSA63J-221X MG RESISTOR R 971 NRSA63J-392X MG RESISTOR R 972 NRSA63J-122X MG RESISTOR R 973 NRSA63J-102X MG RESISTOR R 974 NRSA63J-562X MG RESISTOR...
Page 82 XV-M50BK Electrical parts list (Servo control board) Block No. 02 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area NCB31CK-104X C CAPACITOR C 237 NCB31CK-104X C CAPACITOR NEA70JM-226X E CAPACITOR C 238 NCB31CK-104X C CAPACITOR...
Page 83 XV-M50BK Electrical parts list (Servo control board) Block No. 02 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 342 NCB31CK-104X C CAPACITOR C 561 NCB31CK-104X C CAPACITOR C 343 NCB31CK-104X C CAPACITOR C 562...
Page 84 XV-M50BK Block No. 02 Electrical parts list (Servo control board) Item Remarks Parts name Area Item Remarks Parts number Parts name Area Parts n mber R 108 NRSA63J-183X MG RESISTOR R 243 NRSA63J-102X MG RESISTOR R 109 NRSA63J-0R0X MG RESISTOR...
Page 85 XV-M50BK Electrical parts list (Servo control board) Block No. 02 Item Parts number Parts name Remarks Area R 405 NRSA63J-472X MG RESISTOR R 408 NRSA63J-472X MG RESISTOR R 411 NRSA63J-472X MG RESISTOR R 412 NRSA63J-103X MG RESISTOR R 413 NRSA63J-472X...
Page 86 XV-M50BK Block No. 03 Electrical parts list (Conection board) Block No. 05 Electrical parts list (DVD changer mechanism switch board) Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 13 NCS31HJ-101X C CAPACITOR CN804...
Page 87 INST BOOK LET0183-001B INST BOOK LE40805-002B INST SHEET QMPE200-183-JC POWER CORD BT-51020-2 J=REGIST CARD YU20333 SAFETY INST. BT-52004-1 WARRANTY CARD BT-20071B JVC CENTER LIST QAM0328-001 AV CORD 3P QAM0223-001 PLUG CORD A 10 RM-SXVM50J REMOCON UNIT A 11 -------- BATTERY 3-19...

JVC XV-M50BK Service Manual

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Summary of Contents for JVC XV-M50BK

Page 10: Front Panel Assembly

Page 55: Block Diagrams

Page 78: Electrical Parts List