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XV-521BK/523GD XV-525BK/421BK SERVICE MANUAL DVD PLAYER XV-521BK/523GD XV-525BK/421BK Area Suffix XV-421BK U.S.A Area Suffix XV-525BK/523GD U.S.A Area Suffix XV-521BK Canada Contents Safety precautions Disassembly method Importance administering Precautions for service 1-15 point on the safety Description of major ICs 1-16...
XV-521BK/523GD/525BK/421BK Safety Precautions 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.
XV-521BK/523GD/525BK/421BK Importance administering point on the safety F901 For USA and Canada / pour Etats - Unis d' Amerique et Canada Caution: For continued protection against risk of fire, replace only with same type 1.6A/250V for F901. This symbol specifies type of fast operating fuse.
XV-521BK/523GD/525BK/421BK Dismantling and assembling the traverse unit 1. Notice regarding replacement of optical pickup 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 to the optical pickup or connected devices.
XV-521BK/523GD/525BK/421BK Disassembly method Top cover < Main body> Removing the top cover (See Fig.1) Remove the four screws A on both side of the body. Remove the two screws B on the back of the body. Lift up the rear part of the top cover while pulling the lower part of the sides, then detach upward.
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XV-521BK/523GD/525BK/421BK Removing the fitting (See Fig.3 to 6) Front panel Hole Prior to performing the following procedure, remove the top cover. ATTENTION: To remove the front panel assembly and the DVD mechanism assembly, remove the fitting in advance. by hand Turn over the body.
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XV-521BK/523GD/525BK/421BK Removing the front panel assembly (See Fig.7 to 10) DC mechanism assembly Main board AC jack board Prior to performing the following procedure, remove the top cover and the fitting. Disconnect the card wire from connector CN703 on the main board.
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XV-521BK/523GD/525BK/421BK Loading tray Removing the DVD mechanism assembly (See Fig.11 to 14) Prior to performing the following procedure, remove the top cover and the front panel assembly. CN101 Disconnect the card wire from connector CN101 on the DVD Servo. DVD Servo Disconnect the harness from connector CN031 on the DVD mechanism assembly.
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XV-521BK/523GD/525BK/421BK Removing the AC jack board (See Fig.15 and 16) AC jack board CN951 / CN705 Main board Prior to performing the following procedure, remove the top cover and the front panel assembly. Remove the two screws H attaching the AC jack board.
XV-521BK/523GD/525BK/421BK Removing the main board (See Fig.19 and 20) Main board Prior to performing the following procedure, remove the top cover, the front panel assembly, the DVD mechanism assembly, the AC jack board and the DVD Servo. Remove the three screws J attaching the main board.
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XV-521BK/523GD/525BK/421BK <DVD mechanism> Traverse mechanism unit Spring Removing the traverse mechanism unit (See Fig.1 and 2) Remove the screw A and the spring on the upper side of the loading base assembly. Move the rear part of the traverse mechanism unit upward and pull backward to release the two joints a with the base chassis.
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XV-521BK/523GD/525BK/421BK Pickup unit Removing the pickup (See Fig.5 to 9) It is not necessary to remove the traverse mechanism unit. Flexible board Solder soldering d on the flexible board next to the pickup unit. From the bottom of the traverse mechanism unit, disconnect the flexible wire from CN10 on the pickup board.
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XV-521BK/523GD/525BK/421BK Removing the pickup board (See Fig.5 and 10) Pickup unit It is not necessary to remove the traverse mechanism unit. Flexible board Solder soldering d on the flexible board next to the pickup unit. From the bottom of the traverse mechanism unit, disconnect the flexible wire from CN10 on the pickup board.
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XV-521BK/523GD/525BK/421BK Removing the turn table assembly Pickup unit (See Fig.5, 10, 12 and 13) Prior to performing the following procedure, remove Flexible board the traverse mechanism unit. Solder soldering d on the flexible board next to the pickup unit. From the bottom of the traverse mechanism unit, disconnect the flexible wire from CN10 on the pickup board.
XV-521BK/523GD/525BK/421BK 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.
XV-521BK/523GD/525BK/421BK Description of major ICs AK93C45AF-W (IC791) : CMOS EEPROM 1.Pin Layout AK93C45AF 2.Pin Functions Symbol Function Chip Select Serial Clock Input Serial Data Input Serial Data Output Power Supply Ground Non connection 3.Block Diagram DATA R/W AMPS REGISTER EEPROM...
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XV-521BK/523GD/525BK/421BK AK93C65AF-X (IC403) : EEPROM 1.Terminal layout 8 PIN SOP 2.Block diagram DATA REGISTER R/W AMPS AUTO ERASE EEPROM INSTRUCTION REGISTER INSTRUCTION DECODE, CONTROL 4096bit 256 x 16 CLOCK DECODER ADD. GENERATION BUFFERS VPP SW VREF GENERATOR 3.Pin function Pin no.
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XV-521BK/523GD/525BK/421BK 2.Pin function Function Symbol Symbol Function Pin No. Pin No. Micon wait signal input Photo input WAIT FGIN Read enable Serial enable signal for ADSC SPMUTE ADSCEN Write enable Power supply Non connect Serial enable signal for FEP FEPEN...
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XV-521BK/523GD/525BK/421BK 3.Pin function Symbol Function Pin NO. HDD15 ATAPI data HDD0 ATAPI data HDD14 ATAPI data Apply 3V HDD1 ATAPI data HDD13 ATAPI data HDD2 ATAPI data HDD12 ATAPI data Apply 2.7V HDD3 ATAPI data HDD11 ATAPI data HDD4 ATAPI data...
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XV-521BK/523GD/525BK/421BK 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...
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XV-521BK/523GD/525BK/421BK Symbol Function Pin NO. Land / group switch NTRON Tracking ON DACDATA Sereal output (Connect to TP148) DACLRCK L and R identification output (Connect to TP149) DACCLK Clock for serial output IPFLAG Interpolation flag input BLKCK Sub-code,Block clock input (VSS connected)
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XV-521BK/523GD/525BK/421BK Symbol Function Pin NO. NPDIAG ATAPI slave master diagnosis input ATAPI host address (Not use) NIOCS16 ATAPI output of selection of width of host data bus INTRQ ATAPI host interruption output Apply 3V NDMACK ATAPI host DMA response (Not use)
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XV-521BK/523GD/525BK/421BK Pin No. Symbol Function VFOSHORT VFO short output AVDD Apply 3.3V(For analog circuit) HPFIN Pull-up to VHALF HPFOUT Connect to TP208 AVSS Ground(For analog circuit) LPFIN Pull-up to VHALF LPFOUT Not use CMPIN Connect to TP210 TRCRS Input signal for track cross formation...
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XV-521BK/523GD/525BK/421BK Pin No. Symbol Function 33VSS Ground(For I/O) 33VDD Apply 3.3V(For I/O) Digital audio interface XRESET Reset input (System control) Servo DSC serial I/F chip select (System control) CIRC serial I/F chip select (System control) CPUIRQ Interrupt request (System control)
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XV-521BK/523GD/525BK/421BK NJM4580D (IC741, IC751) : LPF, Mic and H.phone Amp. 1.Terminal layout A OUT A -IN B OUT A +IN B -IN B +IN (TOP VIEW) 2.Block diagram INPUT OUTPUT IC-PST9140-T (IC702) : Reset IC 1. Block diagram 1-32...
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XV-521BK/523GD/525BK/421BK TC74VHC00FT-X (IC503) : Wright timing control TC7WH74FU-X (IC374) : Clock buffer 1.Terminal layout / Block diagram 1.Terminal layout 2.Block diagram TC7SH32FU-X (IC312) : Timing control 1.Terminal layout TC7SH08FU-X (IC311) : Timing control IN B 1.Terminal layout IN A IN B...
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XV-521BK/523GD/525BK/421BK ZIVA3-PE0 (IC501) : AV Decoder ZIVA3-PEO (1/5) Function Symbol Pin No. Programmable I/O pins.Input mode after reset. PIO0 8-bit bi-derectional host data bus. writes data to the decoder Code FIFO via HDATA. HDATA0 MSB of the 32-bit word is written first. The host also reads and writes the decoder HDATA1 internal registers and local SDRAM via HDATA.
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XV-521BK/523GD/525BK/421BK ZIVA3-PEO (2/5) Function Symbol Pin No. PIO28 PIO29 Programmable I/O pins. Output mode after reset PIO30 VDD-3.3 3.3-V supply voltage for I/O signals. PIO31 Programmable I/O pins. Output mode after reset Ground for core logic and I/O signals. No Connection Programmable I/O pins.
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XV-521BK/523GD/525BK/421BK ZIVA3-PEO (3/5) Function Symbol Pin No. MADDR8 Memory address. MADDR10 VDD-3.3 3.3-V supply voltage for I/O signals. MADDR7 Memory address. Ground for core logic and I/O signals. MADDR0 MADDR6 Memory address. MADDR1 VDD-3.3 3.3-V supply voltage for I/O signals.
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XV-521BK/523GD/525BK/421BK ZIVA3-PEO (4/5) Function Symbol Pin No. VDD-3.3 3.3-V supply voltage for I/O signals. VDATA4 Video data buses for byte sequential CbYCrY data. The decoder does not run VDATA during the power up procedure. However, during booting the decoder uses operational configuration parameters or 3-state VDATA.
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XV-521BK/523GD/525BK/421BK ZIVA3-PEO (5/5) Function Symbol Pin No. DVD-DATA7 DVD parallel compressed data from DVD DSP. When DVD DSP sends 32-bit words, it must write /CDG-SCLK the MSB first. DVD-DATA6 CDG-SDATA:CD+G (Subcode) Data.Indicates serial subcode data input. /CDG-SOS1 CDG-VSFY:CD+G (Subcode)Frame Sync. Indicates frame-start or composite synchronization input.
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XV-521BK/523GD XV-525BK/421BK VICTOR COMPANY OF JAPAN, LIMITED OPTICAL DISC BUSINESS DIV. PERSONAL & MOBILE NETWORK BUSINESS UNIT AV & MULTIMEDIA COMPANY 1644, Shimotsuruma, Yamato, Kanagawa 242-8514, Japan Printed in Japan No.20836 2000 06 (S)
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XV-521BK/523GD/525BK/421BK System control and Audio out section (SHEET 4) LVA10111-A1 FLRST,STANDBY IND J702 AVCI, AVCO FLCK,FLDATAI/O TO CN801 COMPULINK FLCS,REMO Q709 SHEET 1 COMPULINK POWER SW RESET EEPROM RESET AOUT IC702 IC791 BOUT IC-PST9140-T AK93C45AF FROM CN951 MOTOR 6, 27...
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XV-521BK/523GD/525BK/421BK Video out section (SHEET 3) CN601 LVA10111-A1 V+5V 4MHz LPF J601 L601, L602 Q601 4MHz LPF COMPONENT Q611 L611, L612 VIDEO OUT TO CN503 SHEET 6 6MHz LPF Q621 L621, L622 Ver. E/EN/EE/EV/B only CVBS S691 COMPOSITE -Y/C SW...
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XV-521BK/523GD/525BK/421BK Standard schematic diagrams System control circuit Digital audio signal path Audio signal path...
XV-521BK/523GD/525BK/421BK PARTS LIST [ XV-525/521/421BK ] [ XV-523GD ] * All printed circuit boards and its assemblies are not available as service parts. XV-525BK/XV-421BK/XV-523GD Area suffix J ----------------------------- U.S.A. XV-521BK Area suffix C -------------------------- Canada - Contents - Exploded view of general assembly and parts list...
XV-521BK/523GD/525BK/421BK Exploded view of general assembly and parts list Block No. Display board XV-521BK/525BK XV-523GD Power switch board Volume board XV-421BK...
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XV-521BK/523GD/525BK/421BK servo board AC jack board Main board...
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XV-521BK/523GD/525BK/421BK Parts list (General assembly) Block No. M1MM Item Parts number Parts name Q'ty Description Area LV10320-001A FRONT PANEL XV-521BK LV10320-010A FRONT PANEL XV-421BK LV10320-006A FRONT PANEL XV-525BK LV10320-011A FRONT PANEL XV-523GD VJD5429-001SS JVC MARK LV20630-001A FRONT LENS(A) XV-525BK/521BK XV-523GD...
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XV-521BK/523GD/525BK/421BK Parts list (General assembly) Block No. M1MM Item Parts number Parts name Q'ty Description Area FOR HEAT SINK LV41363-002A HOLDER QYSBSGG3006E SCREW MODULE + CHASSIS E408621-002 FASTENER MECHA FORE SIDE E309322-001SC STAND(L) MECHA FORE SIDE E309321-001SC STAND(R) QYSBST3020Z T.SCREW...
XV-521BK/523GD/525BK/421BK DVD mechanism assembly and parts list Block No. FXL-V6-1C Grease & Three bond = EBS0006-013B =CFD-4007HYS =946P =1401B Relay board 65.2 12.0 0.2mm...
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XV-521BK/523GD/525BK/421BK Parts list (DVD mechanism) Block No. M2MM Item Parts number Parts name Q'ty Description Area LV20638-001A MECHA BASE LV20635-001A SHAFT HOLDER QYSBST2606M T.SCREW VDG1099001TSVME SP. MOTOR ASS'Y QUM193-08B2B2 PARA RIBON WIRE QYSBST2606M T.SCREW FOR S.BASE&M.BA OPTIMA-2010A1 DVD PICKUP LV31670-001A...
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XV-521BK/523GD/525BK/421BK DVD loading base assembly and parts list Block No. FLM-121-1C Grease =G-474C = EBS0006-009B =G-330 Fig.1 Fig.1...
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XV-521BK/523GD/525BK/421BK Parts list (DVD loading base) Block No. M3MM Item Parts number Parts name Q'ty Description Area E102357-441 LOADING BASE MMN-6F1LB8K MOTOR E75984-001SC MOTOR PULLEY QYSPSPT2640Z MINI SCREW E75950-002 BELT E75985-222SS GEAR(1) E60912-005SS SPEED NUT E75986-221SS GEAR (2) E75987-221SS GEAR (3)
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XV-521BK/523GD/525BK/421BK Electrical parts list (Power board) Block No. 01 Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area C 801 QCFB1HZ-104Y C CAPACITOR .10MF +80:-20% D 910 ERA18-04-T1 FR DIODE C 802 QEKC1AM-476Z E CAPACITOR...
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XV-521BK/523GD/525BK/421BK Electrical parts list (Power board) Block No. 01 Item Parts number Parts name Remarks Area R 906 QRE141J-681Y C RESISTOR 680 5% 1/4W R 907 QRT022J-R47 OMF RESISTOR 5% 1/2W R 908 QRE141J-332Y C RESISTOR 3.3K 5% 1/4W R 910...
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XV-521BK/523GD/525BK/421BK Electrical parts list (Main board) Block No. 02 Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area C 601 QCBB1HK-181Y C CAPACITOR 180PF 10% 50V C 751 QCBB1HK-181Y C CAPACITOR 180PF 10% 50V C 603...
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XV-521BK/523GD/525BK/421BK Electrical parts list (Main board) Block No. 02 Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area L 611 QQL071J-120Y INDUCTOR R 711 QRE141J-560Y C RESISTOR 56 5% 1/4W L 612 QQL071J-5R6Y INDUCTOR R 712...
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XV-521BK/523GD/525BK/421BK Electrical parts list (Main board) Block No. 02 Item Parts number Parts name Remarks Area R 786 QRE141J-333Y C RESISTOR 33K 5% 1/4W R 792 QRE141J-221Y C RESISTOR 220 5% 1/4W R 793 QRE141J-221Y C RESISTOR 220 5% 1/4W...
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XV-521BK/523GD/525BK/421BK Electrical parts list (DVD servo board) Block No. 03 Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area NCB31CK-104X C CAPACITOR C 237 NCB31CK-104X C CAPACITOR NEA70JM-226X E CAPACITOR C 238 NCB31CK-104X C CAPACITOR...
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XV-521BK/523GD/525BK/421BK Electrical parts list (DVD servo board) Block No. 03 Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area C 341 NCB31CK-104X C CAPACITOR C 564 NCB31CK-104X C CAPACITOR C 342 NCB31CK-104X C CAPACITOR C 565...
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XV-521BK/523GD/525BK/421BK Electrical parts list (DVD servo board) Block No. 03 Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area K 565 NQR0007-002X FERRITE BEADS R 212 NRSA63J-273X MG RESISTOR K 566 NQR0007-002X FERRITE BEADS R 213...
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XV-521BK/523GD/525BK/421BK Electrical parts list (DVD servo board) Block No. 03 Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area R 307 NRSA63J-473X MG RESISTOR R 528 NRSA63J-181X MG RESISTOR R 308 NRSA63J-473X MG RESISTOR R 529...
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XV-521BK/523GD/525BK/421BK Electrical parts list (Relay board) Block No. 04 Item Parts number Parts name Remarks Area C 13 NCS31HJ-101X C CAPACITOR CN 10 QGF0501F4-40X FFC/FPC CONNE FOR MAIN CN 12 QGF1012F1-30X FPC CONNE FOR P.U IC 1 GP2S60B-X IC(PHOTO COUPLE...
XV-521BK/523GD/525BK/421BK Packing parts list Block No. M4MM Item Parts number Parts name Q'ty Description Area LV20708-010A PACKING CASE XV-521BK LV20710-001A PACKING CASE XV-421BK LV20709-002A PACKING CASE XV-525BK LV20711-011A PACKING CASE XV-523GD LV20699-001A CUSHION(F) LV20700-001A CUSHION(R) QPC06506515P POLY BAG FOR SET...