Intrepid Video & Electronics Copyright © Intrepid Video & Electronics |
| CV27D48 | *Tape stuck inside, no raster,
no VCR function. *Only power button, on front panel, works-VCR no function |
*Replace 2.5 amp pica fuse. *Broken trace 0.1F cap next to micro |
| M64C | *Dead, display flickers when
plugged in. *Will not accept tape |
*Q1, Q2, IC2, C09, C04,C25,Z06,Z05,C14,C15,C16,C19 *Cold solder LED (LD601) |
| M65 | *Plays 5 secs., then stop *No power |
*T/U reel sensor #70796241 *IC01, in power supply |
| M120C | F802 open | C620(1000/6.3), D606(1N4148) |
| M221( VR300, VR330, VG2001, VG2007, VR3300,) | *No capstan movement. *Drum motor spins too fast, shuts down. *In play, pic pulses from good to snow. *No load or intermittent *Eats tapes, no capstan rotation. |
*Check D112, replace 10uf, on
capstan PCB, repair traces. *Loose connection, drum stator pcb, esp. J2, J3 *Adjust AC head, replace 10uf cap on capstan pcb. *D112, 12 volt supply *C6, 10/25v capstan pcb, repair trace |
| M222C( VR301 VR335 VR505 VR515 VR660HF VG2010 VG2016 VG4016 VG4216 | *Dead, no display *Will not accept, eject cassette. *No capstan rotation *In play, returns to stop, FF/REW OK *Dead, no capstan, will not accept or no play. |
*Cathode of D1103 or 1104 <3v,
normal=9v(1N4001) *Cathode of D114 <5v, norm=14v (1N4001) *D114 cathode<5v, norm=14v (1N4001) *D110 cathode <5v (pl/rec), norm=13v; 15v in FF/REW. Repl. D108, 109, 110(1N4001) *Kit # 216135, includes 7 diodes (1N4001)to repair various problems. |
| M228C | Display flashes at turn on | C09, 22/16v- in power supply |
| M261 | Power on, basket loads empty | Bad solder at tape end sensors, or replace. |
| M264 (M454 M474) | Tuning problems Ch31-36 | Add 1uf/50v cap to AFT pin of tuner to ground. |
| M420C | Poor tape tracking, rollers not against stops. | Replace broken t/s arm cam gear. |
| M441 | Blows fuse, only when connected to main board. | C620(3300/6.3v) |
| M445 | Intermittent ejects | Clean mode switch on carriage. |
| M447 | No capstan movement | C6 on capstan pcb-10/25v. |
| M447C | Not enough voltage to capstan | Replace regulator KA33V, beside tuner. 16v instead of 33v. |
| M448 | Scrambled video | Head drum is on in reverse. Align oblong hole w/ round one. |
| M449 | Pulls tape off course, esp. bad during FF scan. | Too much t/u torques, replace clutch |
| M454(M264 M474) | Tuning problems Ch31-36 | Add 1uf/50v cap to AFT pin of tuner to ground. |
| M459 | No power | C09, in power supply |
| M460 | Tape stuck, power led flashing | C09, Q01 in power supply |
| M474(M264 M454) | Tuning problems Ch31-36 | Replace regulator KA33V, beside tuner. 16v instead of 33v. |
| M621 | No display | Check for +5.6v, STK7253, if missing, replace. |
| M649 | *At power on, drum spins out of
control. *Slow to power up, then pulsates *In play, pic pulses from good to snow. |
*D201(1N4148) *C09 (22ufBP) *Adjust AC head, replace 10uf cap on capstan pcb. |
| M650(M660) | *Dead, no display. *Channels don't change, no response from remote |
*Q801 *Replace micro |
| M653 | Dead | Q804, Q805 |
| M656 | Plays few seconds, then stops. | Check solder at end sensors. |
| M659 | *Tape stuck, won't eject. *WOW in audio, HOR jitter on rec. |
*Nylon pulley, on capstan
cracked. Roughen and epoxy. *Clean-lube or replace capstan bearings, check belt pulley. |
| M660(M650) | *Dead, no display. *Channels don't change-no response from remote |
*Q801 *Replace micro |
| M661 | *Intermittenly cuts off *Takes cassette, ejects 3 secs, no EE video. 5v missing servo IC201 |
*Re-solder end sensors, or
replace *Resolder connections at IC101 & peripheral components |
| M671 | *Cylinder speed erractic after
1-2 hrs. *No audio, tuner/play back. *Dim display |
*RCA stator kit #229296 *C964 off IC920 (on board in back) *C821, in power supply |
| M725 | Tape load inop | Loading lever broke under mode cam, p/n 224988(RCA) |
| M752 | *Shuts off in 10 secs.,
cassette-in lit *Part ID |
*IC821 *Supply guide post, 70031349 |
| M759 | No load, stuck tape | Capstan pulley cracked-repair. |
| M760J | Part ID-cam follower arm(moves tray) | 70363446-cam lever |
| M782 | No power, no display | Q801 |
| M5320 | Video/audio plays in Eno matter what speed is selected. | IC501 |
| M5420 | Won't load tape, gears broke. | +Back cam gear (834-163)+Left middle slide(834-164)+Front slide(834-165) |
| M6555C | *Herringbone patterns on play
back *Snow bands, lines of interference pl/rec |
*Missing shield on DC-DC, Z801
on power 2 PCB *Pinch roller, VPR20 |
| SV970 | Dead, no display | IC813, C812, C813 |