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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JVC HRJ755EK Won't accept tape<br />

top plate item 274 come adrfift due to weak side clips - reqs lh side holder 22007MZ &<br />

rh side holder 2207PA CHS<br />

JVC HRJ825EK Audio dist on E-E & Pback C852 (22mfd, 50v) in psu hi esr & check for dry joint on it<br />

JVC HRJ825EK Sound dist with hum in e-e & rec thro’ scart/phonos C858 and C860 both 22uf 63V in the PSU<br />

JVC HRS4700EK Dead R15 47R 1/4w in psu<br />

JVC HRS5800 Complete failure to operate no clock display R15 ( 22ohm ) o/c<br />

JVC HRS5800EK Dead C14 6.4v hi esr<br />

JVC HRS5800EK Display only - won't sw on via front controls Stuck in childlock - sw on using r/c handset<br />

JVC HRS5900 Int sw off Replacing both end sensors & reel sensors cured<br />

JVC HRS6600 Dead <strong>aft</strong>er mains cut Chopper Tr 2SK2632 s/c, D5301 15v zener s/c & replace C5<strong>10</strong>4 in psu pri<br />

JVC HRS6800 one head faulty symptom replace lower drum - IC cause of problem but is not available separately<br />

JVC HRS6800 Snowy pback with line across 3µ3 sm cap on drum motor<br />

JVC HRS7000 Dead C2 2µ2 in psu pri (hard to access due to being encased in metal box)<br />

JVC HRS7000 Dead C2 2.2uF 50V, C51<strong>10</strong>0uF <strong>10</strong>V, C58 <strong>10</strong>uF 50v<br />

JVC HRS7000 Dead <strong>aft</strong>er being unplugged C2 2µ2 63v o/c in psu<br />

C37 <strong>10</strong>u 16v for sync crushing, C5 4u7 25v & C26 1u 50v for patterning, also check<br />

JVC HRS7000 Patt & unstable sync/loss of col in pback & E-E<br />

C91/92 0u47 50v<br />

JVC HRS7000 Venetian blind effect in Pback & E-E<br />

Check caps inDigi pcb esp C37 - C12, 330uF, read 80uF , C22, 330uF, read 80uF, C3,<br />

<strong>10</strong>0uF, " " 91uF, C5, 4u7 " " 0u65uF, C26, 1uF, " " 0u47uF, C37, <strong>10</strong>uF, " "<br />

0u89uF<br />

JVC HRS7000 Venetian blind effect on E-E & Pback Check caps in Digi panel esp red ones<br />

JVC HRS7000EK Dead Check C2 2µ2 50v & C58 <strong>10</strong>µ 50v on psu pri, also C59 & 60 22µ 63v on sec of psu<br />

JVC HRS7000EK Dead with psu ticking<br />

Jammed with cassette inside & broken white plastic bit<br />

C2 2u2F 63V <strong>10</strong>5C; C60 22uF 63V <strong>10</strong>5C; C59 22uF 63V <strong>10</strong>5C; C58 <strong>10</strong>uF 63V <strong>10</strong>5C<br />

JVC HRS7500EK dropped out It was from the large slider underneath the mech.The part number is LP<strong>10</strong>080-002E.<br />

Replace "direct gear" (item 63) (LP40122-001A) whose upper teeth had become worn &<br />

JVC HRS7500EK Rewind noisey<br />

chewed up<br />

JVC HRS9400 Does not record autowide screen from AV2 mod kit available<br />

JVC HRS9400 Sw to st/by <strong>aft</strong> few secs CP801 supply to DD motor o/c<br />

JVC HRS9500 Brakes ineffective Main supply brake assy LP401<strong>10</strong>.002H; & take up LP40111-002C<br />

JVC HRS9600 Dead - pri HT present Replace R5<strong>10</strong>1 and R5<strong>10</strong>2 both 330K in PSU<br />

JVC HRS9700 Noisy still pic Adj exit guide1/3 turn clockwise<br />

hold down pr+ & play keys(on machine)until display goes blank,release keys & wait for<br />

JVC HRXV1 R/C inop<br />

auto setup to finish.<br />

JVC HRXV1EK Int pic break up - like dirty/worn control head Replace the audio/control head and/or the HA118217F control chip (IC<strong>10</strong>1).

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