27.12.2012 Views

Marca Model Difetto Cura Aim AR276 Stops aft 10 mins R443 6R8 ...

Marca Model Difetto Cura Aim AR276 Stops aft 10 mins R443 6R8 ...

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Akai VS422 No display Tfmr L404 o/c - rewound it (86-89 turns)<br />

Akai VS422 Poor rew esp near start Wear on review brake spigot (item 4)<br />

Akai VS422 VS425 Clock display dim or extinguished Fit Mod kit ( BX744015J ) L404 may also be o/c<br />

Akai VS425 Hum bar on E-E, noisy capstan motor & stops in play C2 2200µ 25v in psu<br />

Akai VS425 Line travels down screen on pback head sw point wandering - SX2777S servo chip<br />

Akai VS427 Tape loops on eject Mode sw & replace capstan belt<br />

Akai VS467 No display C447 47uF 6.3V located under the screening can on the front part of the main PCB.<br />

Akai VS467 No pic check if the "Monitor Select Switch" on the front panel is set to "VCR".<br />

Akai VS467 Wont stop at stations in search C8 22uF 16V inside IF can (was high in ESR) and resoldered all suspicious joints<br />

Akai VS485 No capst rotate in play - ok in ff & rew D206 by skt WP201 on main pcb<br />

Akai VS55 Continues to unload tape <strong>aft</strong> it is unloaded Check cass housing timing<br />

Akai VS55 E-E picture has noise bars Replace C15 (220uF) check others as well<br />

Akai VS55 Flashing, jumping & lines C6 <strong>10</strong>0µ 25v<br />

Akai VS55 Flashing/jumps/lines C6 <strong>10</strong>0µ 25v<br />

Akai VS55 Hor patterning C<strong>10</strong> 22µ 50v<br />

Akai VS55 No functs - display ok<br />

Reluctant to come out of stand-by if it does capstan is<br />

Mode sw<br />

Akai VS55 sluggish Replace C15 (220uF) check others as well<br />

Akai VS55 Will fail to play, record, FF RWD eject<br />

Before condemning capstan motor Pt No BM377604J check<br />

Replace C15 (220uF) check others as well<br />

Akai VS55 VS66 9V supply Check FR2 TR1 in PSU and TR<strong>10</strong>1 on Main PCB<br />

Akai VS66 Capstan motor stops / quivers All psu o/ps unstable - C15µ<br />

Akai VS66 Damages top edge of tape Raise height of 1/2 load arm by 1/2 a turn<br />

Akai VS765 VS767 Intermittently stop in play or Picture search Replace D1 - D4 full wave rectifier on PSU pcb<br />

Akai VS765 VS767 Will not accept tape and display flashes as tape is inserted Replace D1 - D4 full wave rectifier on PSU pcb<br />

Akai VS765EK Chews tape on eject Capst motor<br />

Akai VS765EK Dead - comes on <strong>aft</strong> 20 <strong>mins</strong> 2 x 2200µ caps in psu<br />

Akai VS765EK No play, FFWD or REW Mode sw<br />

Akai VS765EK Ticking in rec/play Pinch roller ass'y<br />

Akai VS967 Capstan motor works in Fast Fwd And Rewind But not in play Fusible resistor FR4 o/c

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