TV
Repair Database
|
Network |
NW1210 |
Light screen RH side |
C805 10µ 150v 110v decoupling cap |
|
Network |
NW1286 |
Txt lines & flyback lines |
C504 o/c |
|
Network |
NWC1401 |
No tuning memory |
Nicad battery behind front panel |
|
Network |
NWC1410R |
Bright pic with flyback lines - int |
Dry joints P451 (supply to crt base) |
|
Network |
NWC1410R |
Int colour |
Adj C523 ref osc (s/c TP46 & 47 to disable apc) |
|
Network |
NWC1410R |
Rolling |
Adj vert hold (under screen) |
|
Nikkai |
11AK03 |
Fault Notes on the 11AK03 TV Chassis |
See TV Mag Sept 1999 |
|
Nikkai |
11AK19 |
Dead - FET o/c |
R811 820k 1w o/c; connected to pin 11 TDA16846 - if this volts <1v, IC in
prot mode |
|
Nikkai |
11AK19 |
Weak negative pic aft replacing R704 100R |
Wrong version of IC401 TDA8843 fitted - suffix must match orig - 1Y or 2Y
(If LT401 fitted, 1Y0 If no LT401 fitted = 2Y |
|
Nikkai |
BABY 10 |
1 SET CUTS OUT NO STBY LIGHT 2 NO PIC 3 NO PIC O |
1 R402 HIGH OR OC 2 FR605 3 REG IC 4 CHECK R320 IF NOT 33R CHANGE |
|
Nikkai |
Baby 10 |
All control functions inoperative |
IC602 MN15425 |
|
Nikkai |
Baby 10 |
Burn up round bridge recys. |
DC jack socket s/c. |
|
Nikkai |
Baby 10 |
Dark picture. |
Q303 ( 2SC1815 or BC184 ) |
|
Nikkai |
Baby 10 |
Dead |
R402 1R .5W OC |
|
Nikkai |
Baby 10 |
Dead |
Large reg o/p only 6.8v - crack in print after o/p of reg - unloaded reg
causes its o/p to reduce |
|
Nikkai |
Baby 10 |
Dead |
R402 1R ½w o/c |
|
Nikkai |
Baby 10 |
Dead - 630mA fuse by sw o/c |
Bridge rect s/c - used 1N5401 as replacement |
|
Nikkai |
Baby 10 |
Dead - no st/by |
o/c conns in dc jack |
|
Nikkai |
Baby 10 |
DEAD APART FROM RELAY CLICK |
FIELD OP IC402 |
|
Nikkai |
Baby 10 |
Dead or int dead |
D410 FR604 s/c - check R320 33R for increased res |
|
Nikkai |
Baby 10 |
DEAD REGULATOR OK ! |
DRYS ON LINE DRIVE TX |
|
Nikkai |
Baby 10 |
Dead. |
F402 , D402 caused by reversed battery connection. |
|
Nikkai |
Baby 10 |
Dead. |
Potted regulator. |
|
Nikkai |
Baby 10 |
Dead. |
Due to reversed connections , F402 , D402. |
|
Nikkai |
Baby 10 |
FAINT HUM BARS AFTER 30mins |
TRY ADJUSTING TUNER AGC |
|
Nikkai |
Baby 10 |
FIELD COLL |
C428 0.022uF OC |
|
Nikkai |
Baby 10 |
Field collapse |
C428 0µ022 leaky |
|
Nikkai |
Baby 10 |
Field collapse - partial, total or int - no OSD |
AN5512 FOP chip |
|
Nikkai |
Baby 10 |
Flashing pic on certain chans |
Check setting of AGC pot |
|
Nikkai |
Baby 10 |
FLASHING PICTURE ON CERTAIN CHANNELS ONLY |
ADJUST AGC VERY CRITICAL ! |
|
Nikkai |
Baby 10 |
Frame bounce on scene change. |
Reg IC402. |
|
Nikkai |
Baby 10 |
Fuse o/c & Diode BY299 s/c. |
Change C345 ( 1000uf 35v ) at back |
|
Nikkai |
Baby 10 |
Hum bar |
Leaky mains bridge rect diodes |
|
Nikkai |
Baby 10 |
Hum bar like symbols |
C11 0µ47 35v or Q103 2SK30A, tuner or IC101 |
|
Nikkai |
Baby 10 |
Hum bar when heated |
IC101 TA7680AP in IF sect overheats - fit heat sink also check C111 0µ47
35v, Q103 2SK30A, faulty tuner or IC101 & mains rect diodes for leak |
|
Nikkai |
Baby 10 |
Int cuts out with no st/by led |
R402 hi res |
|
Nikkai |
Baby 10 |
Int dead |
dry joints reg block |
|
Nikkai |
Baby 10 |
Int Dead |
D410 in line stage Replace with 2 x RGP30 in parrallel |
|
Nikkai |
Baby 10 |
Int shut down |
LOPTr emitter leg dry joint |
|
Nikkai |
Baby 10 |
Int sw off, field bounce & oversize pic |
IC402 reg chip |
|
Nikkai |
Baby 10 |
LINE O.P. TRANSISTOR OVERHEATING , NO RASTER SOUND |
D411 ( FR155 ) |
|
Nikkai |
Baby 10 |
Loses chans on chan change when warm |
MN1220 EEPROM |
|
Nikkai |
Baby 10 |
LOW FIELD IF PCB FLEXED SCAN OPENS UP |
AN5512 FIELD OP IC US |
|
Nikkai |
Baby 10 |
No line drive |
C308 3n3 o/c |
|
Nikkai |
Baby 10 |
No pic |
FR605 efficiency diode |
|
Nikkai |
Baby 10 |
No pic, sound & OSD OK |
R425 270k in beam lim cct o/c |
|
Nikkai |
Baby 10 |
No raster & LOPTr overheats |
D411 FR155 160v RGB supply leaky |
|
Nikkai |
Baby 10 |
No startup - relay latched. |
IC401 low output. |
|
Nikkai |
Baby 10 |
Overloaded pic & AFC -both int |
T102 & T104 coils under IF screening dry joints |
|
Nikkai |
Baby 10 |
Oversized picture - frame bounce. |
Reg IC402. |
|
Nikkai |
Baby 10 |
Pic gradually darkens |
Q303 2SC1815 or BC184 |
|
Nikkai |
Baby 10 |
Shuting down - frame bounce. |
Reg IC402. |
|
Nikkai |
Baby 10 |
Sound - full vol - unable to reduce |
IC601 MN1220 EEPROM chip |
|
Nikkai |
Baby 10 |
tuning drift on chan change |
check C103, 104 (0µ22) & C105 (0µ47) - use hi stab tant caps |
|
Nikkai |
BG001 |
Dead |
R801 1R5 5w o/c |
|
Nikkai |
BG001 |
Field - top foldover |
C313 o/c |
|
Nikkai |
BG001 |
Small pic |
HT low at 80v, Q815 o/c |
|
Nikkai |
BG001N |
Frame foldover at top. |
C313 o/c. |
|
Nikkai |
BG001-N |
Flyback lines. |
C312. |
|
Nikkai |
KS159T |
Dead aft blow up with Q801 BUZ77B blasted |
R809 0R47 & R805 330k o/c & replace IC801 TDA4605 |
|
Nikkai |
MG002R |
Dead. |
R801 ( 1.5R 5W ) o/c by on/off switch. |
|
Nikkai |
NT1416 |
Dead with whining from psu |
C444 370pF 2kv in lop stage s/c |
|
Nikkai |
NT20 |
Int dead |
Int no volts at coll chopper tr due to wire connection on chopper tfmr never
being soldered |
|
Nikkai |
NT20 |
No signals or OSD |
No 5v to micro pin 52 - R830 220R on psu sub panel o/c |
|
Nikkai |
NT20 |
No sound or pic with whining |
R448 fusible 4R3 o/c (no 12v) |
|
Nikkai |
NT20 |
NO TUNING OR SEARCH |
R830 220R OC + CHECK FOR DRYS |
|
Nikkai |
NT20 |
Top field cramp |
C313 2µ2 200v |
|
Nikkai |
NT20 |
Top field foldover or cramp |
C313 2µ2 200v |
|
Nikkai |
Tara 10 |
Dead, the 11v supply present |
Dry joints line dr trfmr EM103 (invisible to naked eye) |
|
Nikkai |
Tara 10 |
int field collapse |
dry joints field chip |
|
Nikkai |
Tara 10 |
int pic |
D103 dry joints |
|
Nikkai |
Tara 10 |
No start up |
Check dry joints on L110 & L111 in LOP stage |
|
Nikkai |
Tara 10 |
St/by only |
Dry joint L111 |
|
Nikkai |
TARA 10 |
WONT START |
CHECK FOR DRIES AT L110 AND LINE DRIVER IF LINE STAGE FAULTY , WILL OFTEN
SHUT DOWN POWER SUPPLY |
|
Nikkai |
TLG0101 |
No frame. |
R313 ( 8.2ohm ) o/c , Q310 , Q301 ( 2SA940/2SC2073 ) . |
|
Nikkai |
TLG100T |
"O" symbols with tails fill screen on Txt & bar for analogue settings
flashes |
SAA5243P/E chip faulty (£25) |
|
Nikkai |
TLG100T |
Int dead |
Dry joints on C174 (line feed) from line osc to driver |
|
Nikkai |
TLG100T |
Txt flashing & no OSD |
IC303 SAA5243P/E on Txt pcb |
|
Nikkai |
TLG1409 |
Dead, squealing & heated smell |
C617 4700pF 1kv split & leaky |
|
Nikkai |
TLG1409 |
Dead. A squealing noise came from the chopper powe |
C617 ( 4 , 700pF , IkV ) which had split open and was very hot. (
connected across the IO9V HT rectifier diode D116 , in series with |
|
Nikkai |
TLG1409 |
Field collapse |
R306 10R safety res o/c |
|
Nikkai |
TLG1432 |
St/by only |
No line drive - o/c L404 choke in base
of 2SD1546 line o/p from sec of line driver transformer. |
|
Nikkai |
TLG1433 |
Long time to come on - relay not energising |
C916 220µ 35v in 18v supply leaky |
|
Nikkai |
