Intrepid Video & Electronics


SHARP VCR TIPS


Copyright Intrepid Video & Electronics

Sharp
Most models Eats tapes, no capstan movement. 10uf cap on capstan motor board. Check traces
13VTG60 Looks like bad heads, comes and goes, loss of pix & audio. Or no tuner. Q9918 on VCR board, bad solder, may cause VCR problems
13VTH60 Power on, reels turn briefly, 5v on reg fine Bad solder on gound, bottom board under shield
13VTK100 No play, capstan doesn't run D7711 in series w/ capstan vcc, opens under load
20VTCG6 Looks like bad heads, comes and goes, loss of pix & audio. Or no tuner. Q9918 on VCR board, bad solder, may cause VCR problems
25VTG60 *Dead

*No auto-programming, stuck on one channel

*View limit "secret #" forgotten.

*R9903(150k) in VCR power supply

*EEPROM (rh-ix2448cen1)

*Simut. press stop-vol up-reset, on front panel, release reset. Two secs later, release stop-vol up.

25VTG80 *No auto-programming, stuck on one channel

*View limit "secret #" forgotten.

*Dead

*EEPROM (rh-ix2448cen1)

*Simut. press stop-vol up-reset, on front panel, release reset. Two secs later, release stop-vol up.

*R9903(150k) in VCR power supply

25VTG100 *Dead

*No auto-programming, stuck on one channel

*View limit "secret #" forgotten.

*R9903(150k) in VCR power supply

*EEPROM (rh-ix2448cen1)

*Simut. press stop-vol up-reset, on front panel, release reset. Two secs later, release stop-vol up.

25VTH60 Plays, or FF 3 secs, shuts off. REW OK Play take-up sensor had broken leg inside plastic housing
27VSG300 *Little or no video on TV, VCR p/b OK

*Intermittent tuner, intermittently eats tapes

*IC401

*Poor solder, Q9918 on VCR board

VC87 No power D911, D912 & C925(22/50v)
VC486U *Shorts reg at turn on.

*Counter erractic

*Intermitently changes modes, eats tapes

*Intermittentl cuts out in play back.

*No color in p/b or rec.

*C913

*Q8004, 8005, photo interupters faulty

*Mode switch-QSWR008GEEZ

*Reel sensors.

*Q501

VC583UB Headwheel not spinning Bad push connector for head wheel on main board.
VC2230U (VCA5650U, VCA206U, JSJ10621) *No capstan rotation

*No FF/REW

*Takes empty tray, rejects cassette

*10uf cap, on capstan motor board, check traces. Replace w/50v

*Mode switch.

*Carriage switch came loose, resolder.

VC6630U *No capstan movement

*R907, power supply open, no operation

*10uf cap capstan motor pcb, use 50v, repair trace.

*IC802, cassette motor driver, pins 1 & 2 shorted.

VC6846 *No video, EE & mod, or video out.

*No EE audio, p/b audio OK

*Play back video is snow

*R2201, 100 ohm

*Bad solder at RCA jacks

*Check for 5v to preamp, if missing, C3306-(47/6v)

VC6847 No capstan in play or record Mode switch
VC7813U Turns on, but no functions IC802 (BA6238AU)
VCA45U(VCH75U) Dead C913 (47/16v), Q901(2SC4273) & IC901 (M67209)
VCA206 (VC2230U, VCA5650U, JSJ10621) *Goes to FF when tape is loaded

*No FF/REW

*No capstan rotation

*Takes empty tray, rejects cassette

*Replace capstan motor

*Mode switch.

*10uf cap, on capstan motor board, check traces. Replace w/50v

*Carriage switch came loose, resolder.

VCA323U (VCA522U, VCA523U) *VCR OK, no TV

*Dead, blows fuse

*18v zener blows

*Dead, R951 blown

*Check R910, rewire connector from R910 - D905.

*Q901 shorted.

*D7, 18 v zener & 1000/6.3 cap.

*R951(1.5k-1/2w), Q901(2SC4273) & D908

VCA343U No drum rotation, tape loads IC951 (KIA7809, ECG1910)
VCA503 Loads, rejects tape. Turns off when switched to VCR, or humm in audio. R919(p/s) open. Shorted D919, 920, 905 and/or 907
VCA522U(VCA323U, VCA523U) *VCR works, no TV

*Dead, blows fuse

*18v zener blows

*Dead, R951 blown

*Check R910, rewire connector from R910-D905.

*Q901 shorted.

*D7, 18 v zener & 1000/6.3 cap.

*R951(1.5k-1/2w), Q901(2SC4273) & D908

VCA523U(VCA323U, VCA522U) *VCR works, No TV

*Dead, blows fuse

*18v zener blows

*Dead, R951 blown

*Check R910, rewire R910-D905

*Q901 shorted.

*D7, 18 v zener & 1000/6.3 cap.

*R951(1.5k-1/2w), Q901(2SC4273) & D908

VCA542 No cylinder movement IC951 in power supply
VCA544U Tape loads around heads, no drum rotation IC951, in power supply(KIA7809PI, ECG1966)
VCA552U Plays 5 secs, then stops Replace reel sensors, RH-PX0252GEZZ
VCA572U *Not loading properly, mechanical noise.

*No display.

*Fuse open

*Loading motor block assembly #NGERH1267GEZZ

*IC1501, 016312GB, #0035732249

*Q901(2SC4418), R911 open. Check IC5001, make note of orientation

VCA607C Intermittent audio/video Remove A/V inputs, clean switches.
VCA630U Poor play back video, white streaks. Video heads---VX937
VCA2230U No video through tuner, p/b audio OK C2204, (100/16v)
VCA5034 Intermittent functions, pl, REW, FF, shuts down. Link gear, to mode switch stripped, MCM #32-10755.
VCA5210 No pl, intermittent ff/rev Clean lever & spring on pl idler unit.
VCA5230 Erractic operation Clean mode switch
VCA5650 (VC2230U, VCA206U, JSJ10621) *No capstan movement

*No FF/REW

*Takes empty tray, rejects cassette

*Replace 10uf cap, capstan motor pcb, use 50v, repair traces.

*Mode switch.

*Carriage switch came loose, resolder.

VCH75U(VCH45U) Dead C913, 47/16v; Q901, 2SC4273 & IC901 M67209
VCH86U Blown fuse Replace 47uf/16v cap & 2SC4273
VCH923U *Playback video snowy-looks like bad heads

*Intermittent VCR stops, will no FF/REW

*Add ground wire from deck assembly to tuner ground

*Solder C724 ground next to IC701

VCH952U *Plays 4-5 secs, rew 7-8 secs, then stops, counter is working.

*No rew, allother functions work.

*D707, t/u reel sensor.

*Replace reel sensors.

VCH972U *Not loading properly, mechanical noise

*Plays 4-5 secs, rew/ff 7-8 secs.

*Load blk asmbly #NGERH1267GEZZ

*D707, take up reel sensor

XA400, XA500 Will not load tape Clean detect switch on carriage
XA605, XA610, XA620 No cassette load D701, RH-PX0234GEZZ