SAMSUNG VCR's

SAMSUNG CJ4581 Audible Noise From Power Supply, Eht Ok, Horiz. Unlocked Ic902 12v Regulator Ic Faulty.
SAMSUNG CJ4581 Top Foldover Of Screen C408 Faulty
SAMSUNG CVB4581 No Pinchushion Adjust. R342 & R335 O/cct 10k 1/4w
SAMSUNG PB31R Wont Play.Accepts Tape. Q707.Trksr1003
SAMSUNG V1510T No Playback Colour. Check By Replacement 4.43mhz Crystal. Also Check Bad Connection On Plug 11-16.
SAMSUNG V1510T Noisy Own Recording, Sound Ok. Check For 12v At Pin 26 Of Y-c Panel (in Playback), If Ok Change Ic8 On Syscon Panel.
SAMSUNG V1611 No Rewind Or F.F. Worn Out Idler Unit (very Common With This Machine).
SAMSUNG V1611 Slow Front Loading, Slow Lace Up Followed By Unlacing. Change Faulty Loading Motor.
SAMSUNG V1611 Unit Wont Change Channel. Check 12v Supply, If None Change Q2 Also 12v Stabiliser I.C.
SAMSUNG V1616 Noisy Chroma In Play Mode. Change Ic0303 (upc1536c)
SAMSUNG V1616 Records Only In Monochrome. Check Chroma Is Emerging From Pin 1 Of Ic0301 (in Record) If Not Replace Ic0301 (upc1536c) Pin 28 Is Not Connected.
SAMSUNG V1626 No Sound In E-e Channel Stuck No. 1. Check If R0916 15k Ohm Is O/c.
SAMSUNG V1626 See V1616  
SAMSUNG V1626 Set Drifiting Off Tune. Numerous D/j's On Tuner Board.
SAMSUNG V1910 No Functions Blows Main Fuse When Replaced. Faulty Mica Washer On Q1 2sc1983 In P/s.
SAMSUNG VB1230 No Load Motor Drive At All. Replace Load Motor Driver Ic, Ka8301 On Main Pcb. Ba6209
SAMSUNG VB1230 No Rf Envelope, No P/b Picture. Audio Out Is There. Cn3201 Pb5v Missing On Pin 4. Also Missing Pc5volts. Replace D110 1n4001 Diode, Rhs Of Tuner Pack. Diode Tested O.K. But Fails Under Load.
SAMSUNG VB1260 Slow Rewind. Take-up Reel Sticky.
SAMSUNG VB1260N Capstan Racing. Drum Racing And Will Not Lock In Playback. Check Switch For Ntsc Playback.
SAMSUNG VB1850 No Load Motor Drive. Check D601.Driver Ic Ka8301
SAMSUNG VB300 All Of Display Lights Up. Burnt Surface Mount Resistors Underneath Main Board. Replace Zd702 27v Zener Diode. Replace Faulty Resistors As Well.
SAMSUNG VB300 Attention All Power Supply Faults. If Load Motor Driver Has A Batch Number Including Or Under 436 Replace It As It Draws To Much Idle Current. Ba6209
SAMSUNG VB300 Display Is Dull, Also May Go Dull When Motors Drive, Eg(tape In). Repalce D606 27 Volt Zenner On Main Pcb Near Psu. especially Also Replace D601 1n4148 Diode And C606 10uf 16volt.
SAMSUNG VB300 Int.Wont Accept Tape. Led Sensor Faulty Or Dry Joints.
SAMSUNG VB300 Machine Has Display, But Shuts Off When Press Operate Button. won't Accept Tape. Replace Faulty C114 In Power Supply. 2200uf 16 Volts.
SAMSUNG VB300 Power Supply Won't Start Up Or Whistles. Check If D101 And D108 Are Short Circuit, If They Are Replace D101. Replace Electro Caps In Primary, C109, C110 Especially), check If Pin 1 Of Chopper Is A Clean Signal Of -6.2 Volts. anode Side Of D104 Should Be -4.7 Volts.
SAMSUNG VB306 No Power Voltage Rails At Psu Are All High. except Pin 6 Ref Voltage Is Low. replace C35 470/16 Cap And C36 330/16 Cap. pin 6 Should Then Be 5.8v
SAMSUNG VB350 Power Supply Runs Flat Out No Regulation. C110 100 µ 25 V O/xc Or Low
SAMSUNG VB370 Maybe After A Power Surge, Tuner Won't Tune. tu Has No Voltage. 33v Rail From Pwr Supply Loaded Down Or Missing. Replace Ic4a2 33volt Zenner Diode.
SAMSUNG VB520 No Clock, Wont Display Channels, No 30v From Psu Change 2sd288 (2sd401) & 2 * 47µf On Same Pcb
SAMSUNG VB627 White Flickers In Pb. Repair D/j's On Pcb In Lower Drum.
SAMSUNG VB629 Channels Staying On After Power Turned Off. Replace Q2 In Power Supply 2sa634.
SAMSUNG VB629 White Flickers In Pb. Repair D/j's On Pcb In Lower Drum. And Cn1 On Head Amp
SAMSUNG VB711 Noisy Picture, One Head Missing, Large Dc Shift In Fm Out Replace Head Amp Ic Ta7772
SAMSUNG VB711 Won't Erase Old Sound, Won't Record New Sound. Q0501 On Audio Pcb Was Ksd261 Now Changed To Ksc1008y also Remove Head Connector And Solder Direct.
SAMSUNG VB900 Lines In Playback, Tracking Not Working. Replace Sd3143 Ic7 Or Is It Ic2
SAMSUNG VB900 See Tempest Te-700  
SAMSUNG VB970 White Flickers In Pb. Repair D/j's On Pcb In Lower Drum. And Cn1 On Head Amp,tighten Screws
SAMSUNG VBK1230 Capstan Wont Go In Play, But Will Ff & Fr Diodes H/r On Main Pcb,d213 & D212 (with In4007)
SAMSUNG VBK1230 No Go Diodes On Main Pcb, D109, 105.

Last Updated on 20/09/98
By Allan
Email: allan@vidcam.com.au