Repair tips database, Service Manual free download,schematics,datasheets,eeprom bins,pcb,repair info for test equipment and electronics

Repair tips

Make	Model	Problem	Solution	Date

Found: 16
Ferguson	36MK48TV	Dead	No HT at cathode of DP20 - CP36 dry joint	14-09-04
Ferguson	36MK48U	To put set in service mode	Switch set to StBy , switch off ( with on/off switch ) and switch on whilst holding down blue fastext button , press blue but	14-09-04

Rediffusion	MK4	Blank raster with flyback lines.	IC SAB3035 ( small PCB LHS of chassis )	14-09-04
Rediffusion	MK4	Colour int.	IC SAA1251 ( remote PCB )	14-09-04
Rediffusion	Mk4	Dead	Dry joint 4C16 3300pf caused failure of following:- 4TR3 BU326A; 4R26 100R; 4D15 BA157; 4R23 5R6; 4TR1 BC182 used in lieu; 4THY1 TIC106D used in lieu; 4D5 12v zener	14-09-04
Rediffusion	MK4	Dead.	4R2 sprung open , line transistor s/c , drys on trans 4T1.	14-09-04
Rediffusion	Mk4	Dist sound with buzz	Adj L9 ic sound coil on IF pcb	14-09-04
Rediffusion	MK4	EW.	3TR4	14-09-04
Rediffusion	Mk4	HIGH FREQUENCY RIPPLES ON PICTURE FROM COLD OK AFT	4C6 1000uF 16v IN POWER SUPPLY	14-09-04
Rediffusion	Mk4	Int field collapse - lifting from bottom	Dry joint PLC plug	14-09-04
Rediffusion	MK4	Int startup - 4R2 overheats.	4R5 ( 68k 1W ) o/c	14-09-04
Rediffusion	MK4	Lack of width.	3C24 ( 3.3nf 1kv )	14-09-04
Rediffusion	MK4	Line off speed - No EHT - R13 overheats.	LOPTX	14-09-04
Rediffusion	Mk4	No sigs - snowy screen only	SL1430 chip on IF pcb	14-09-04
Rediffusion	Mk4	Tubey pic with flyback lines	6R2 1M2 on CRT base o/c - in A1 supply	14-09-04
Rediffusion	Mk4	Width at max or min - no adj	3C24 3300pf dry joints or faulty	14-09-04

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