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Sziasztok!
Érdekes hibát produkál ez a masina. Működik rendben, de ciklikusan, öt másodpercenként egy-egy pillanatra kihagy a hang. Minden hangszórónál és bármely bemenetről/rádióról. 
Igazat megvallva már ötletem sincs merre keressem a hiba okozóját.
Üdv, Z.

Sziasztok! A szóbanforgó rádiós erősítő kikapcsoláskor elfelejti a beállított adókat. Sehol nem találok ilyen rajzot. Ha lenne valakinek ötlete és/vagy rajza, hálás lennék érte.

Schematics, diagrams & service information for oldies Pioneer audio equipments

Pioneer Circuit Diagrams VOL1: PIONEER FM-P300 PIONEER FM-R301 PIONEER FM-B302 PIONEER FM-B100 PIONEER FM-B101 PIONEER SM-Q140 PIONEER SM-Q141 PIONEER SM-B160 PIONEER SM-B161 PIONEER SM-B180 PIONEER SM-B200 PIONEER SM-B200A PIONEER SM-B201 PIONEER SM-W203 PIONEER SM-G204 PIONEER SM-G204B PIONEER SM-G204E PIONEER SM-Q300 PIONEER SM-Q300A PIONEER SM-Q300B PIONEER SM-Q300E PIONEER SM-G205 PIONEER SM-G305 PIONEER SM-600 PIONEER SX-34 PIONEER LX-34 PIONEER SX-40 PIONEER SX-82 PIONEER SX-82E PIONEER SX-110 PIONEER ER-420 PIONEER SX-800 PIONEER SX-1000T PIONEER SM-R150 PIONEER SM-R151 PIONEER SM-C800 PIONEER SM-C801 PIONEER SM-83 PIONEER SM-500 PIONEER SMT-84 PIONEER HF-90M PIONEER HF-90MH PIONEER SR-101 PIONEER CSR-1 PIONEER STP-1 PIONEER STP-1S PIONEER STP-2 PIONEER MXA-1A PIONEER MXA-3 PIONEER AFT-11 PIONEER AFT-12 PIONEER AFT-14 PIONEER TX-5
Pioneer Circuit Diagrams VOL2: PIONEER SX-34B PIONEER SX-34BK PIONEER LX-34B PIONEER SX-34BS PIONEER SX-410 PIONEER SX-420A PIONEER SX-800 PIONEER SX-2000 PIONEER SX-600T PIONEER SX-1000TA PIONEER SX-300T PIONEER LX-300T PIONEER SX-700T PIONEER SX-800T PIONEER SX-1000TD PIONEER SX-1000TW PIONEER SX-1500T PIONEER SX-440 PIONEER LX-440 PIONEER KX-440 PIONEER KX-510 PIONEER SX-510T PIONEER SX-770 PIONEER SX-990 PIONEER SX-1500TD PIONEER SA-400 PIONEER SA-810 PIONEER SA-500 PIONEER SA-700 PIONEER SA-900 PIONEER SC-100 PIONEER SM-100 PIONEER TX-400 PIONEER TX-500 PIONEER TX-900 PIONEER T-500 PIONEER T-600 PIONEER H-60 PIONEER H-601 PIONEER C-2000 PIONEER S-450 PIONEER C-3500 PIONEER S-4600 PIONEER C-6000 PIONEER S-5100 PIONEER C-5600 PIONEER IS-31 PIONEER IS-80 PIONEER IS-70 PIONEER SR-202
Pioneer Circuit Diagrams VOL3: PIONEER SX-330 PIONEER SX-440 PIONEER SX-525 PIONEER SX-626 PIONEER SX-770 PIONEER SX-990 PIONEER SX-1000TW PIONEER SX-1500TD PIONEER SX-2500 PIONEER SX-6000 PIONEER SX-9000 PIONEER 0X-8000 PIONEER KX-330 PIONEER KX-333 PIONEER KX-440 PIONEER KX-444 PIONEER KX-550 PIONEER KX-555 PIONEER LX-440 PIONEER LX-880 PIONEER FX-330 PIONEER AX-330
Pioneer Circuit Diagrams VOL4: PIONEER SC-700 PIONEER SA-500 PIONEER SA-600 PIONEER SA-700 PIONEER SA-800 PIONEER SA-900 PIONEER SA-1000 PIONEER SM-700 PIONEER TX-500 PIONEER TX-600 PIONEER TX-700 PIONEER TX-800 PIONEER TX-900 PIONEER TX-1000 PIONEER QC-800 PIONEER QM-800 PIONEER QA-800 PIONEER QL-600 PIONEER SF-500 PIONEER SF-700 PIONEER SR-202W PIONEER SD-1000 PIONEER T-3300 PIONEER T-3500 PIONEER T-6100 PIONEER T-6600 PIONEER T-8800 PIONEER QT-2100 PIONEER QT-6100 PIONEER QT-6600 PIONEER PL-11 PIONEER PL-12 PIONEER PL-15 PIONEER PL-25 PIONEER PL-A25 PIONEER PU-A25 PIONEER PL-30 PIONEER PL-31 PIONEER PL-A35 PIONEER PL-41 PIONEER PL-50 PIONEER CS-5 PIONEER CS-7 PIONEER CS-8 PIONEER CS-10 PIONEER CS-15 PIONEER CS-30 PIONEER CS-40 PIONEER CS-50 PIONEER CS-60 PIONEER CS-100 PIONEER CS-22 PIONEER CS-33 PIONEER CS-44 PIONEER CS-55 PIONEER CS-66 PIONEER CS-77 PIONEER CS-88 PIONEER CS-99 PIONEER CS-A500 PIONEER CS-A700 PIONEER CS-A770 PIONEER CS-E350 PIONEER CS-E400 PIONEER CS-E500 PIONEER CS-E600 PIONEER CS-E700 PIONEER CS-E900 PIONEER CS-51 PIONEER CS-52 PIONEER CS-53 PIONEER CS-54 PIONEER CS-63 PIONEER CS-05 PIONEER AS-200 PIONEER AS-303 PIONEER AS-305 PIONEER JB-100 PIONEER SE-50 PIONEER S-50 PIONEER S-550 PIONEER S-770 PIONEER C-5600 PIONEER S-6000 PIONEER AF-61 PIONEER AF-41
Pioneer Circuit Diagrams VOL6: PIONEER SX-300 PIONEER SX-424 PIONEER SX-525 PIONEER SX-626 PIONEER SX-727 PIONEER SX-828 PIONEER SX-434 PIONEER SX-535 PIONEER SX-636 PIONEER SX-737 PIONEER SX-838 PIONEER SX-939 PIONEER SX-1010 PIONEER SX-3000 PIONEER MODEL 300 PIONEER KX-303 PIONEER KX-404 PIONEER KX-505 PIONEER LX-424 PIONEER LX-626 PIONEER LX-434 PIONEER QX-646 PIONEER QX-747 PIONEER QX-949 PIONEER QX-4000 PIONEER QX-8000A PIONEER QX-9900 PIONEER TX-5300 PIONEER TX-6200 PIONEER TX-7100 PIONEER TX-8100 PIONEER TX-9100 PIONEER TX-9500
Pioneer Circuit Diagrams VOL7: PIONEER SA-5200 PIONEER SA-6200 PIONEER SA-7100 PIONEER SA-8100 PIONEER SA-9100 PIONEER SC-3000 PIONEER SM-3000 PIONEER Exclusive C3 PIONEER Exclusive M3 PIONEER QA-800A PIONEER QC-800A PIONEER QM-800A PIONEER QL-600A PIONEER QD-210 PIONEER QD-240 PIONEER C-4500 PIONEER C-4600 PIONEER Rondo 3000 PIONEER E-1000A PIONEER ES-2000 PIONEER Prelude 4000 PIONEER FD-3 PIONEER CT-3131 PIONEER CT-4141 PIONEER CT-5151 PIONEER CT-F6161 PIONEER CT-F7171 PIONEER RT-71 PIONEER RT-1011L PIONEER RT-1020L PIONEER RT-1020H PIONEER RT-1050 PIONEER QT-74 PIONEER SD-1100 PIONEER MA-62 PIONEER SF-850
Pioneer Circuit Diagrams VOL8: PIONEER CS-11 PIONEER CS-15A PIONEER CS-23 PIONEER CS-24B PIONEER CS-30A PIONEER CS-313 PIONEER CS-40A PIONEER CS-50A PIONEER CS-60A PIONEER CS-44G PIONEER CS-66G PIONEER CS-500G PIONEER CS-66A PIONEER CS-66E PIONEER CS-06 PIONEER CS-311 PIONEER CS-411 PIONEER CS-5F PIONEER CS-F51 PIONEER CS-301 PIONEER CS-701 PIONEER CS-R600 PIONEER CS-801 PIONEER CS-901 PIONEER CS-R100 PIONEER PROJECT 60 PIONEER CS-R300 PIONEER CS-R300-1 PIONEER CS-R500 PIONEER CS-R700 PIONEER CS-E200 PIONEER CS-E220 PIONEER CS-E300 PIONEER CS-E320 PIONEER CS-E420 PIONEER CS-E450 PIONEER CS-E530 PIONEER CS-E730 PIONEER CS-E830 PIONEER CS-X100 PIONEER CS-T61 PIONEER CS-T8 PIONEER CS-3000A PIONEER H-9 PIONEER AS-22 PIONEER AS-30 PIONEER AS-E500 PIONEER AS-E700 PIONEER PL-10 PIONEER PL-12 PIONEER PL-15 PIONEER PL-50A PIONEER PL-12S PIONEER PL-A35D PIONEER PL-A45 PIONEER PL-51 PIONEER PL-55 PIONEER PL-71 PIONEER PL-61

Hellótok!
Hozzájutottam egy Pioneer XCM-66D, CD-MP3-FM-DAB-Internet-USB lejátszóhoz. Minden funkció szépen működik rajta, kivéve az USB-s MP3 lejátszást. A hibajelenségek:

• Nem ismeri fel, hogy USB csatlakoztatva van
• Felismeri, de nem tudja olvasni
• Elkezdi beolvasni a tartalmat, de "Nincs USB" üzenetet ad
• elkezdi lejátszani a számokat, és kiírja, hogy nincs USB.

A PenDrive szépen melegszik, ha kihúzom belőle. Még nem szedtem szét, egyenlőre valamilyen leírást próbálok szerezni róla, mert sajnos semmilyen szervíz leírásom nincs hozzá.
Van esetleg valakinek tapasztalata, javítási ötlete?
Köszönettel:szuts