User manual JVC XM-PX50WT

[. . . ] The use of a substitute replacement which does not have the same safety characteristics as the recommended replacement parts shown in the Parts List of Service Manual may create shock, fire, or other hazards. The leads in the products are routed and dressed with ties, clamps, tubings, barriers and the like to be separated from live parts, high temperature parts, moving parts and/or sharp edges for the prevention of electric shock and fire hazard. When service is required, the original lead routing and dress should be observed, and it should be confirmed that they have been returned to normal, after re-assembling. Leakage currnet check (Electrical shock hazard testing) After re-assembling the product, always perform an isolation check on the exposed metal parts of the product (antenna terminals, knobs, metal cabinet, screw heads, headphone jack, control shafts, etc. ) to be sure the product is safe to operate without danger of electrical shock. [. . . ] 1) Please be sure to solder before a flexible wire is removed from connector on a main printed circuit board as shown. if you removes without soldering. the MD picking up assembly might destroy 2) When installing , solder in the part of short round should be removed after a flexible wire is connected with connector. Solder short 1-4 XM-PX50WT Disassembly method Removing the MD door assembly (See Fig. 1 and 2) 1. Remove the four screws A and detach the MD door assembly from the main body. MD door assembly A Fig. 1 Door lever Removing the holder assembly (See Fig. 3 and 4) Prior to performing the following procedure, remove the MD door assembly. Move the "U-shaped" notch marked b in the direction of the arrow and release it from the shaft. Move the part c inward and pull out the Holder assembly from the shaft. ATTENTION: When reassembling, first reattach the part c to the shaft of the Chassis assembly. And next, fit the "U-shaped" notch to the shaft. MD door assembly Door lever A Fig. 2 Holder assembly Part a Holder assembly "U-shaped" notch Fig. 3 Holder assembly Side arm (L) Holder assembly Part c Shaft Part b Part c Fig. 4 1-5 XM-PX50WT Removing the chassis assembly (See Fig. 5 to 7) Prior to performing the following procedure, remove the MD door assembly and the holder assembly. Remove the screw D, E, F and G attaching the chassis assembly respectively. Disengage the three joints e of the bottom case and the battery holder. Remove the chassis assembly and the jack cover at once. Tab d Chassis assembly Side arm (R) Joint e B Battery lid Joints e Fig. 5 Battery lid Eject unit C C Chassis assembly Fig. 6 D Chassis assembly Joint e G Joints e Bottom case E Battery holder F Fig. 7 1-6 XM-PX50WT Removing the main board and the battery holder (See Fig. 8 and 9) CN301 CN401 Battery holder Soldering f Prior to performing the following procedures, remove the MD door assembly, the holder assembly and the chassis assembly. ATTENTION: Before disconnecting the flexible wire extending from the pickup, make sure to solder the short circuit round to prevent damage to the pickup. Solder the short circuit round of the flexible wire on the main board. Disconnect the flexible wires from connector CN301 and CN401 on the main board. Remove the main board with the battery holder . Short circuit round CN401 Headphone jack assembly Main board Soldering f Short circuit round H Fig. 8 Unsolder the four soldered parts f retaining the main board and the battery holder. ATTENTION: When reassembling, connect the flexible wire extending from the pickup to the connector on the main board and unsolder the short circuit round. CN301 Fig. 9 Headphone jack assembly CN601 Battery holder Removing the headphone jack assembly (See Fig. 10) Prior to performing the following procedures, remove the MD door assembly, the holder assembly, chassis assembly and the main board. Disconnect the flexible wire extending from the headphone jack from connector CN601 on the main board. Main board Fig. 10 1-7 XM-PX50WT <Removal of the MD mechanism section> Prior to performing the following procedures, remove the MD door assembly, the holder assembly, the chassis assembly and the main board. Slit washer Worm gear Shaft holder Soldering g J I Removing the spindle motor (See Fig. 11) 1. Unsolder the part g on the flexible wire extending from the underside of the Chassis assembly to the spindle motor. attaching the spindle Chassis assembly Part i Part h Pickup unit Spindle motor Fig. 11 Lead screw Removing the pickup unit (See Fig. 11) ATTENTION: When handling the Pickup unit, touch the parts marked in Fig. 13 only. Remove the slit washer and the worm gear from the underside of the Chassis assembly. Remove the screw J attaching the shaft holder and draw out the shaft (lead screw). Pull out the Pickup unit and the lead screw while disengaging the part h and i. K Lead spring Pickup Fig. 12 Removing the pickup (See Fig. 12 and 13) Touch these parts only. ATTENTION: When handling the pickup unit, touch the parts marked in Fig. 13 only. Pull out the shaft from the pickup. Fig. 13 1-8 XM-PX50WT Removing the feed motor (See Fig. 14) 1. Peel off the adhesive tape j on the flexible wire on the underside of the feed motor. [. . . ] M3MM Parts name CHASSIS ASS'Y FEED MOTOR MINI SCREW PICK UP LEAD SPRING MINI SCREW LEAD SCREW METAL WHEEL GEAR SHAFT HOLDER MINI SCREW SPINDLE MOTOR MINI SCREW WORM GEAR SLIT WASHER MECHA FPC Q'ty 1 1 2 (M1. 4 PX2. 5, B) 1 1 1 (M1. 4 BX2. 5, N) 1 1 1 1 1 (M1. 4 PX2. 5, B) 1 3 (M1. 4 PX2. 5, B) 1 1 1 Description Area A Item 1 2 3 5 6 7 8 9 10 11 12 13 14 15 16 17 Parts number LV20882-001A QAR0113-001 QYSPSFT1425M QAL0237-001 LV32031-001A QYSPSGT1425N LV32114-001A LV41132-001A LV41133-001A LV41134-003A QYSPSFT1425M QAR0112-001 QYSPSFT1425M LV41141-002A WDM082520 LVB10188-001A 3-5 XM-PX50WT Electrical parts list (Main board) Block No. 01 Remarks Area A Item C 62 C 63 C 64 C 65 C 102 C 103 C 111 C 112 C 113 C 202 C 203 C 211 C 212 C 213 C 300 C 301 C 302 C 308 C 309 C 310 C 311 C 312 C 313 C 314 C 315 C 316 C 317 C 318 C 319 C 320 C 321 C 323 C 325 C 351 C 352 C 353 C 354 C 355 C 356 C 357 C 358 C 359 C 360 C 371 C 372 C 373 C 374 C 376 C 377 C 401 C 402 C 403 C 404 C 450 C 454 C 456 C 457 C 458 C 459 C 460 C 461 C 463 C 500 Parts number NCB31HK-102X NCB31HK-102X NCB31HK-102X NCB31HK-103X NCS31HJ-391X NCB21AK-105X NCB21CK-224X NCB31AK-224X NBFA0GM-157X NCS31HJ-391X NCB21AK-105X NCB21CK-224X NCB31AK-224X NBFA0GM-157X NCB31HK-103X NCB31CK-273X NCB31CK-823X NCB31HK-682X NCB30JK-105X NCB31HK-472X NCB30JK-105X NCB31CK-333X NCB31AK-224X NCB31HK-103X NCB31EK-223X NCB31CK-104X NCB31HK-682X NCB31HK-102X NBE90JM-106X NCB31HK-103X NCB21CK-474X NCB21AK-105X NCB31CK-104X NBE20JM-106X NBE20JM-106X NBE20JM-106X NBE20JM-106X NCS31HJ-7R0X NCS31HJ-7R0X NCB21AK-105X NCB21AK-105X NCB30JK-105X NCB31CK-104X NCB31HK-103X NCB21CK-474X NCB21AK-105X NCS31HJ-471X NCB21CK-474X NCB31HK-153X NCB21AK-105X NBE21CM-335X NCB30JK-105X NCB30JK-105X NCB31CK-473X NCB21AK-105X NCB31HK-222X NCB31HK-102X NCB31CK-473X NCB21AK-105X NCB31HK-682X NCB31CK-473X NCB21AK-105X NCB21AK-105X Parts name C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR TS E CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR TS E CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR TS E CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR TA E CAPACITOR TA E CAPACITOR TA E CAPACITOR TA E CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR TS E CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR A Item C 503 C 504 C 506 C 507 C 509 C 510 C 512 C 513 C 590 C 602 C 603 C 604 C 613 C 614 C 630 C 631 C 901 C 902 C 903 C 904 C 906 C 921 C 923 C 924 C 961 C 962 C 963 CN300 CN301 CN401 CN601 D 400 D 901 IC300 IC351 IC400 IC450 IC501 IC502 IC504 IC505 IC601 IC901 IC921 IC961 K 101 K 201 K 601 K 602 K 603 K 604 L 400 L 501 L 602 L 901 L 902 Q 60 Q 61 Q 63 Q 64 Q 300 Q 301 Q 501 Parts number NCB31CK-104X NCB21AK-105X NCB31CK-104X NCB31CK-104X NCB31CK-104X NCB31HK-102X NCB31CK-104X NCB31HK-102X NCB31HK-102X NCB30JK-105X NCB30JK-105X NCB21AK-105X NBE20JM-106X NBE90JM-475X NCS31HJ-331X NCS31HJ-331X NCB11AK-475X NCS31HJ-221X NBG40GM-226X NBE40JM-476X NCB31CK-104X NCB21AK-225X NCB21AK-105X NCB31CK-104X NCB21AK-105X NCB21AK-225X NCB31CK-104X QGF0515F3-20X QGF0515F3-20X QGF0515F3-07X QGF0515F4-06X F02J4L-X F1J2E-X CXA2588R CXD2672GA MPC17A139MTB-X CXA8095Q UPD784225GK-617 AK93C55BH-W IC-PST3421U-X TC75S51F-X JCV8002-W XC6367A251M-X TK11118SC-W TK11223BMC-X NQR0129-004X NQR0129-004X NQR0129-004X NQR0129-004X NQR0129-004X NQR0129-004X NQL114K-471X NQL302N-100X NQL38DM-1R0X NQL32CM-220X NQL114M-1R0X 2SA2018-X DTC144EE-X 2SC4617/QR/-X 2SC4617/QR/-X 2SB1219/RS/-X DTA144EE-X 2SC4617/QR/-X Parts name C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR TA E CAPACITOR TA E CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR TS E CAPACITOR TS E CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR FFC CONNECTOR FFC CONNECTOR FFC CONNECTOR FFC CONNECTOR DIODE DIODE IC IC IC IC IC(MCU) IC IC IC IC IC IC IC FERRITE BEADS FERRITE BEADS FERRITE BEADS FERRITE BEADS FERRITE BEADS FERRITE BEADS INDUCTOR INDUCTOR INDUCTOR INDUCTOR INDUCTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR DIGI TRANSISTOR TRANSISTOR DSP PICK PICK Remarks Area MECHA HP 3-6 XM-PX50WT Electrical parts list (Main board) Block No. 01 Remarks Area A Item Q 502 Q 901 Q 904 Q 906 Q 961 Q 964 Q 965 Q 966 R 60 R 61 R 62 R 64 R 101 R 103 R 111 R 112 R 113 R 201 R 203 R 211 R 212 R 213 R 301 R 303 R 304 R 305 R 306 R 307 R 308 R 310 R 311 R 314 R 315 R 316 R 317 R 318 R 320 R 321 R 322 R 323 R 324 R 325 R 326 R 328 R 335 R 336 R 337 R 338 R 339 R 341 R 351 R 352 R 353 R 354 R 355 R 356 R 357 R 364 R 366 R 367 R 369 R 371 R 372 Parts number DTA143TE-X FMMT617-X DTA124XUA-X SSM3K01F-X DTA143TE-X SSM3J01F-X DTC144EE-X DTA143TE-X NRSA6AJ-472W NRSA6AJ-474W NRSA6AJ-474W NRSA6AJ-474W NRSA6AJ-223W NRSA6AJ-392W NRSA6AJ-100W NRSA6AJ-392W NRSA6AJ-103W NRSA6AJ-223W NRSA6AJ-392W NRSA6AJ-100W NRSA6AJ-392W NRSA6AJ-103W NRZ0053-R22X NRSA6AJ-124W NRSA63J-1R0X NRSA6AJ-122W NRSA6AJ-124W NRSA6AJ-104W NRSA6AJ-0R0W NRSA6AJ-562W NRSA6AJ-103W NRSA6AJ-104W NRSA6AJ-133W NRSA6AJ-243W NRSA6AJ-104W NRSA6AJ-103W NRSA6AJ-563W NRSA6AJ-331W NRSA6AJ-331W NRSA6AJ-331W NRSA6AJ-102W NRSA6AJ-331W NRSA6AJ-331W NRSA6AJ-101W NRSA6AJ-102W NRSA6AJ-102W NRSA6AJ-102W NRSA6AJ-102W NRSA63J-100X NRSA6AJ-562W NRSA63J-1R0X NRSA63J-1R0X NRSA63J-1R0X NRSA6AJ-104W NRSA6AJ-0R0W NRSA6AJ-0R0W NRSA6AJ-0R0W NRSA6AJ-101W NRSA6AJ-101W NRSA6AJ-472W NRSA6AJ-102W NRSA6AJ-103W NRSA6AJ-104W Parts name TRANSISTOR TRANSISTOR TRANSISTOR MOS FET TRANSISTOR FET TRANSISTOR TRANSISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MF RESISTOR MG RESISTOR MF RESISTOR MG RESISTOR MG RESISTOR MF RESISTOR MG RESISTOR MF RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR A Item R 373 R 376 R 377 R 378 R 379 R 380 R 385 R 386 R 387 R 388 R 400 R 402 R 450 R 451 R 454 R 455 R 459 R 460 R 461 R 463 R 466 R 501 R 503 R 504 R 506 R 507 R 508 R 509 R 510 R 511 R 512 R 513 R 514 R 516 R 517 R 518 R 519 R 520 R 521 R 522 R 523 R 524 R 525 R 527 R 529 R 530 R 601 R 603 R 604 R 613 R 901 R 908 R 909 R 922 R 961 R 962 R 965 R 966 R 967 S 60 S 501 S 502 S 503 S 504 X 300 X 500 Parts number NRSA6AJ-684W NRSA6AJ-332W NRSA6AJ-102W NRSA6AJ-105W NRSA6AJ-102W NRSA6AJ-151W NRSA6AJ-103W NRSA6AJ-103W NRSA6AJ-103W NRSA6AJ-103W NRSA6AJ-474W NRSA63J-1R0X NRSA6AJ-223W NRSA6AJ-223W NRSA6AJ-474W NRSA63J-1R0X NRSA6AJ-105W NRSA63J-225X NRSA6AJ-333W NRSA6AJ-0R0W NRSA63J-1R0X NRSA6AJ-473W NRSA6AJ-273W NRSA6AJ-473W NRSA6AJ-0R0W NRSA6AJ-273W NRSA6AJ-222W NRSA6AJ-104W NRSA6AJ-103W NRSA6AJ-474W NRSA6AJ-474W NRSA6AJ-474W NRSA6AJ-474W NRSA6AJ-473W NRSA6AJ-102W NRSA6AJ-104W NRSA6AJ-564W NRSA6AJ-104W NRSA6AJ-564W NRSA6AJ-474W NRSA6AJ-474W NRSA6AJ-103W NRSA6AJ-103W NRSA6AJ-474W NRSA6AJ-0R0W NRSA6AJ-0R0W NRSA6AJ-474W NRSA6AJ-474W NRSA6AJ-474W NRSA6AJ-4R7W NRSA6AJ-562W NRSA6AJ-0R0W NRSA6AJ-124W NRSA63J-0R0X NRSA6AJ-221W NRSA6AJ-474W NRSA6AJ-474W NRSA6AJ-472W NRSA6AJ-220W NSW0140-001X NSW0117-001X NSW0134-001X NSW0134-001X NSW0134-001X NAX0439-001X NAX0427-001X Parts name MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR DETECT SWITCH SLIDE SWITCH TACT SWITCH TACT SWITCH TACT SWITCH CRYSTAL C RESONATOR ALPS ALPS ALPS Remarks Area 3-7 XM-PX50WT Electrical parts list (Jack board) Block No. 02 Remarks Area A Item J 101 Parts number QNS0098-002 Parts name 3. 5 JACK Electrical parts list (Charger board) Block No. [. . . ]