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Intrepid Video & Electronics Copyright © Intrepid Video & Electronics |
| EV306N | Erractic operation, load motor keeps rotating when tape is ejected. | Replace all led sensors on main pcb. (TST5811 & DSIR481Y) |
| TC0561 | No video, no audio, raster with G2 turned up | Q905 bad (ECG290A) |
| TC0910R | Will not completely turn off, screen goes blank, faint OSD, faint audio | Power relay sticking |
| VCP665(Goldstar) | All works fine, in FF/REW, clutch won't engage | Mode switch is off one tooth |
| VCR660 | Dew light is on | Loose wire connection on CD3 |
| VCR754 | *No drum rotation *Play back alternates clear to snow, drum motor pulses. |
*33/25v smd cap, on
lower drum -or-Replace lower drum *Leaky sm caps on drum motor, 33/25v |
| VCR755 | *Shuts down in 10
secs. *No load functions *Ejects when loaded, capstan not turning *Lightning damage |
*Review arm blocking
roller *Replace shorted zener off IC03 *IC2001 (OEC9008B) check pin 2 for 2.5v. If lower, replace IC, if higher, check other coponents *Replace fuses, IC1003(BA6247), R1033(10ohm,1w) |
| VCR765N | *Load/ejects
erracrically, hangs up in process, load motor strains,
belts OK. *Loads tape real slow, or stops *Loads tape, no display, no functions |
*Clean mode switch,
tighten screws *Load motor #1596P58008 *Front control panel IC601 |
| VCR767 | Eats tapes while in reverse. | Adjust supply reel band. |
| VCR870 | *Unit won't accept
tape, intermittently. *Will not turn on. |
*Clean mode switch. *Check mode switch alignment, or clean. |
| VCR872 | Intermittent display and other functions | Check solder Q2505 |
| VCR874 | Cylinder runs after eject. | 10uf cap on capstan pcb. |
| VCR877 | *No power *No video, audio OK. |
*Reset micro, ground
reset button for 10 secs to chassis. *IC2001 |
| VCR951 | No functions | Check ICP201 |
| VCR952 | Intermittently eats tapes | Grease under idler is stiff, remove |
| VCR954 | Acts like bad capstan, no tracking | Repair solder, CY602 |
| VCR964 | *Plays too fast *Occasionally won't take tape. |
*Is roller engaged w/
capstan? clean mode switch *Mode switch |
| VCR968 | *Intermittently eats
tapes, usually in rew search. *Locks up in rew search, video p/b intermittently poor. |
*Check for missing
split washer on idler. *Check for missing e-clip on capstan shaft. |
| VCR3000 | Jumps from Sp to Lp in playback. | C11(47/16v), off pin 29 of 42 pin IC on main pcb. |
| VCR3002A | *No t/u in play, tape
spills *No audio in p/b & Rec. *Load eject problems *Won't accept/eject, tape jammed. |
*Bend idler pivot
shaft for better gear contact *Replace audio head assembly *Mode switch *REF#405 p/n 850P900561, gear on carriage which controls main cam, on carriage. |
| VCR4000 | *Tracking problems *Press stop, unit shuts down. *Loads tape around heads, shuts off |
*Replace pinch roller *Mode switch *Mode switch |
| VCR4003 | *Erractic operation. *Dead *Parts info |
*Clean mode switch,
tighten screws. *Transformer open 401570216 *D512 (DT28EQS040, Schottky 11ESQ04TA1) *D513 (D28TOAK040, schottky barrier AKO4V) |
| VCR4010A | *Loading problems. *Rewind starts, then stops. Rapid clicking sound. *FF starts then stops. Rapid clicking sound. |
*Right inside, bottom
of carriage is missing spring. *Replace t/u counter gear #850A20049 *Replace supply counter gear #850A20050 |
| VCT120 | *Parts ID *No vertical deflection, line not full width |
*R467, 10 ohm, 1/4
watt fusible *Vertical out IC (LA7835), C476(3300/35v), R467(10-1/2w) |
| VR4250 | Dead | D809, 821(18V) & D818, 820(33V) shorted. Intermittent connection @ emitter of Q803. Re-solder and replace bad parts. Check R809 (10/1W) & Q801(2SC4662). |
| VR4450 | Mode switch | 5SSFMDKM10 |
| VT1320 | Squeals at turn on | Q402(2SD1554) HOT, R506, R508, Check D509(NTE570), C509(10/100v), check grounds. |
| VT1321 | *Pic, audio unsteady,
sides pulled in. *Shuts off after several minutes |
*Reg chip STK7348,
cap-10/100v near reg. *Poor solder R448, T401 |
| VT1322A | *Dead, fuse OK *No response from VCR, load motor turns one revolution *No video from tuner |
*R503(1.5M) *Clean mode switch *30v down to 5.5 on tuner. Replace tuner. |
| VT1921 | *Dead, lound squeal *Dead *No audio, playback or TV |
*H-Out transistor
shorted, C441, C518, C435 *D503 off transformer-130v zener *IC351, AN5265 |
| VT1922A | Dead, no relay click | IC501(STK730-010, ECG7125), R502 1m, 1/4w, pin1, T501 |
| VT2522D | Dead, flashing red light | Bad connectors-R446, R448, D519; open C413(100/35v), D411 shorted, IC402(LA7838) bad |
| VT3110A | *No Hor/VERT. sync. *Distorted audio, TV only, VCR ok *Push power, relay clicks, 1 sec later, clicks off. VCR takes tape, loads, unloads, shuts down. *Regulated voltages drop, relay clicks *Part ID *Dead, may accept tape,
no eject. |
*Check for 10vdc
pin2(ic604), pin 10(CP820), run jumper *Dirty contacts audio inputs. *Change horizontal out transistor 2SD1427(ECG2331) *Replace HOT(Q406), C418 *D512(ECG579), D610(ECG519) *D121 (5.6v zener--IC101, 11-14), ICP502 in power supply |
| VT9110A | *Video audio wavy,
looks like capstan servo problems *Dead, may accept tape, but no eject *No power on |
*Re-solder IC1001 *D121 (5.6v zener) off IC101 (pin 11-14), ICP502 in power sup. *IC101, OEC3025A, TV micro |
| VT2522D | *Dead-blinking red
light *Vertical retrace |
*Bad connections R446,
R448, D519. D41 shorted(ECG580), IC401(LA7838) *C413(100/35v), IC402(LA7838) |