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. |