TV
Repair Database
|
Ferguson |
TX80 |
buzzing, narrow pic,
"lock" displayed |
DP15 1N4001 o/c connected
in series with chopper/lop tr TP10 |
|
Ferguson |
TX80 |
Child lock release |
sw to st/by then on again
with r/c |
|
Ferguson |
TX80 |
Dead |
DP65 SC
FUSE FB072 OC |
|
Ferguson |
TX80 |
Dead |
check RP01 27K 3 W |
|
Ferguson |
TX80 |
Dead - faint sound of
tripping . If unplugging sma |
Change D710 on inverter pcb
( may measure ok
) |
|
Ferguson |
TX80 |
If PSU has blown up. |
Check RP01
( 27k , 3w ) gone high. |
|
Ferguson |
TX80 |
INT RED |
CRACK IN PRINT BETWEEN
RV110 AND TV01 EMITTER (
OR crack in print between RV110 & RV104
) |
|
Ferguson |
TX80 |
INTERCAIER BUZZ ,
MAY BE INT |
6 Mhz CERAMIC FILTER Q102 |
|
Ferguson |
TX80 |
loud buzzing only |
o/c print between pin 6 of
chopper tfrmr LP03 & RP50 |
|
Ferguson |
TX80 |
MAINS FUSE SHATTERED NO
OBVIOUS SHORTS |
DEGAUSSING POSITOR US |
|
Ferguson |
TX80 |
No sigs after replacing ae
skt |
1k chip resistor dropped
off board inside tuner |
|
Ferguson |
TX80 |
Striations on screen &
off tune |
27K next to lopt (33volt
dropper resistor) |
|
Ferguson |
TX80 |
Stuck in standby. |
Check RP36
( 75k , 2w ) gone high. |
|
Ferguson |
TX80 |
Stuck in Standby. |
RP36 ( 75K ) 2
Watt |
|
Ferguson |
TX80 |
Weak, narrow raster with
buzz & hum bar |
DP15 1N4001 o/c in base
TP10 |
|
Ferguson |
TX805 |
Blank raster |
M52038SP multifunction chip
IL01 |
|
Ferguson |
TX805 |
bright pic with fb lines |
10R safety res for 150v
supply o/c & CP22 22µ 100v dried up |
|
Ferguson |
TX805 |
Dark pic with ringing |
dry joint at Y I/p on crt
base |
|
Ferguson |
TX805 |
Dead |
CHECK RP41 - RP44 68Ks |
|
Ferguson |
TX805 |
Dead |
CHECK RP 41 ,
42 , AND 44 150k AND
120k IN PARALLEL. |
|
Ferguson |
TX805 |
Dead |
RP92 - 0.68 ohms |
|
Ferguson |
TX805 |
Dead |
DP18 ( BA159 )
RP68 ( 0.68ohm ) |
|
Ferguson |
TX805 |
Dead |
D412 S.C. FITTED UNDER
HEATSINK |
|
Ferguson |
TX805 |
Dead |
DP50 150v zener s/c; RP08
115k o/c |
|
Ferguson |
TX805 |
Dead - tripping slowly |
CHECK LT TO FIELD SUPPLY |
|
Ferguson |
TX805 |
Dead - mains fuse blown,
S2000AF TP10 s/c |
Check DP50 150v prot diode
(from pin 3 loptx to chassis). If faulty check DP10 BYV38, RP92 0R68
fusible res, DP90 BA157, DP21 2.7v zener, CP08 100µ 35v & loptx |
|
Ferguson |
TX805 |
Dead - no st/by led |
RP44 68k ¼w in psu o/c |
|
Ferguson |
TX805 |
Dead stuck in st/by |
DP18 BA157 & RP68 0R68
in 15v supply u/s |
|
Ferguson |
TX805 |
Dead with s/c S2000AF loptr |
RP28 2R7 5w o/c; DP11 BA157
s/c |
|
Ferguson |
TX805 |
Dead. |
CHECK RP 41 ,
42 , AND 44
150k AND 120k IN PARALLEL. |
|
Ferguson |
TX805 |
Dead. |
RP92 - 0.68 ohms |
|
Ferguson |
TX805 |
Dim pic |
RC23 150k o/c |
|
Ferguson |
TX805 |
Distorted / Poor sound. |
Check RA10 is
correct ( 680ohm )
not 6K8. |
|
Ferguson |
TX805 |
FIELD FLYBACK LINES |
CHECK RES JP20
MARKED AS 680r 33r IN SET. SERIES WITH 100mfd |
|
Ferguson |
TX805 |
Flyback lines. |
Check resistor JP20
marked as 680R 33R in set. series with 100uf. |
|
Ferguson |
TX805 |
INT SHUTTING DOWN OR DEAD |
CHECK 15V SUPPLY RESISTORS |
|
Ferguson |
TX805 |
Low brightness. |
RT40 68K gone high ,
on CRT base. |
|
Ferguson |
TX805 |
LOW BRILL. |
RT40 68K HIGH ,
ON CRT BASE |
|
Ferguson |
TX805 |
No pic/OSD - blank raster
when A1 advanced |
RT40 68k 1/2w o/c in RGB
o/p base bias cct |
|
Ferguson |
TX805 |
no start up |
start up res RP44/42/41 sus
- usually 68k |
|
Ferguson |
TX805 |
No start up or H.T. |
CHECK D18 AND ALSO THE
PULSE FROM , O.C. PRINT etc. |
|
Ferguson |
TX805 |
Picture poor , very dim. |
RC23 150k oc or high
( measure out of cct ) . |
|
Ferguson |
TX805 |
POOR SOUND ,
DIST. |
CHECK RA10 IS COECT
( 680ohm ) NOT 6K8. |
|
Ferguson |
TX805 |
Shutting down Int. or Dead. |
Ck 15V supply resistors. |
|
Ferguson |
TX805 |
Sqeal then dead |
CP17 100µ 160v s/c - 103v
reservoir cap |
|
Ferguson |
TX805 |
St/by only |
RP41 68k near TP15 hi res -
also check RP42, RP44 |
|
Ferguson |
TX805 |
St/by only |
RP85 270R o/c |
|
Ferguson |
TX805 |
St/by only |
DP50 BZX85C150 s/c due to
dry joints wire link under loptx |
|
Ferguson |
TX805 |
St/by only |
RP44 o/c, DP54 1N4148 s/c
in psu |
|
Ferguson |
TX805 |
St/by only with faint
ticking |
Combined PSU/LOP tfmr
(Samsung FCV-1410E12) faulty - correctly route white wire from JV33
inside O core (PU feed to micro) |
|
Ferguson |
TX805 |
St/by only with pumping
action |
DP18 leaky |
|
Ferguson |
TX805 |
This set was dead apart
from light from a red LED |
This comes from the red LED
marked LED 1 input , LED2
output. It had gone high-resistance. |
|
Ferguson |
TX805 |
Ticking - orig had arcing
from final anode |
115k res in psu hi res |
|
Ferguson |
TX805 |
Tuning drifts. |
CHECK 33v DHO4 ZTK33 NEAR
MAIN MICRO IC. |
|
Ferguson |
TX805 |
WONT START ,
H.T. |
CHECK D18 AND ALSO THE
PULSE FROM O.C. PRINT etc. |
|
Ferguson |
TX807 |
Dead |
DP27 24v zener |
|
Ferguson |
TX807 |
Faint vert line on lh side
of pics - causes other sets in vicinity to display same symptom |
capacitor
CL01 10nF had never been soldered
at
one end. |
|
Ferguson |
TX807 |
Low sound (Stuck in Hotel
Mode) |
1 Turn set to standby using
remote.
2 Turn off with set's AC switch & wait till the red standby
light has
faded away to nothing.
3 While holding the magenta Text button on TV turn on AC switch.
4 A service menu should now be on screen.
Press Magenta button
again
several times till hotel mode appears.
5 Using arrow keys on remote
navigate down to the
volume setting &
increase graphic slider with the arrow right button
to max setting
(Mine was set to min). Navigate up to Hotel ON & change to OFF.
6 Press OK
7 Press Exit. |
|
Ferguson |
TX807 |
No CRT heaters |
grey lead from main pcb to
tube base dry jointed |
|
Ferguson |
TX807 |
No signals/tuning |
RL51 1R8 o/c in 6v supply
from lopt |
|
Ferguson |
TX807 |
No sound |
EEPROM possible fault -
obtain from CHS |
|
Ferguson |
TX807 |
Poor start up |
DP57 6v8 zener |
|
Ferguson |
TX807 |
Reduced height |
EEPROM possible fault -
obtain from CHS |
|
Ferguson |
TX807 |
St/by only |
DP12 / DP36 s/c BA157 -
beware of charged up smoother! |
|
Ferguson |
TX807 |
To access serv mode |
1 sw on tv, 2 put in st/by
with R/C, 3 sw off, 4 Sw on holding magenta r/c key, 5 When pic appears
press magenta button again & follow onscreen directions - values
stored automatically |
|
Ferguson |
TX807 |
To run with lop stage dis'd |
Dis pin 1 loptx & s/c
base TP52 to chassis. Cvonnect lamp to DP80 ; HT = 105v |
|
Ferguson |
TX807 |
Trips - LED alternates
Red/green |
Check pin 50 IC IV01
TDA8842 - should be <3.85v, if not goes into prot mode |
|
Ferguson |
TX807 |
Weak dist sound |
CI04 10n sm cap faulty in
series with sound det LI02 |
|
Ferguson |
TX85 |
800mA fuse o/c |
Replace TR6 IC4 D8 D10
& D23 if R101 ruptured replace C75 uprate fuse to 1.25A |
|
Ferguson |
TX85 |
Blowing chopper transistor. |
R101 o/c. |
|
Ferguson |
TX85 |
Blowing diode D19. |
Use only specified device. |
|
Ferguson |
TX85 |
Blowing line transistor. |
R61 in PSU dry jointed. |
|
Ferguson |
TX85 |
COMES OUT OF STBY BY ITSELF |
SL486 I.R. PREAMP |
|
Ferguson |
TX85 |
Corrugated pic most of the
time |
dry joints at jumper
between small pcb in lop and main pcb |
|
Ferguson |
TX85 |
Dead |
Check Degauss pos if ok
check R97 ( 10ohm )
R88 all bridge rec diodes & TEA2018 D8 D10 D23 all
( IN4002 ) |
|
Ferguson |
TX85 |
Dead - 800mA fuse blown. |
TR6 s/c , IC4
( TEA2018 s/c betweenpin 6 & chassis , D13 s/c. |
|
Ferguson |
TX85 |
Dead - may be int. |
Check for drys on vertical
add-on filter PCB next to LOPT. |
|
Ferguson |
TX85 |
Dead aft power cut |
800mA fuse o/c; TIPL791A
chopper s/c; D8 I sens 1N4001 s/c; D3&6 mains rects 1N4007 s/c;
TEA2018A power chip shorted |
|
Ferguson |
TX85 |
Dead H.T. normal |
L10 o/c |
|
Ferguson |
TX85 |
Dead Mains fuse blown TR6
s/c R101 D/J |
Check resistance from pin 2
TEA2018 to Emitter TR6 Check R98 D20 if faulty replace TEA2018 |
|
Ferguson |
TX85 |
Dead. |
Drys on TR901 on remote
panel. |
|
Ferguson |
TX85 |
FAILURE OF LINE O/P
TRANSISTOR TR13 |
IS R62 o.c
--- IF YES , REPLACE LOPT , IF
NO REPLACE |
|
Ferguson |
TX85 |
FIELD LIN FAULT ,
TOP FOLDOVER |
TR7 TIP112H
OR T0167V |
|
Ferguson |
TX85 |
INT. STANDBY OR DEAD |
CHECK TR901 9V REG |
|
Ferguson |
TX85 |
LINE OP TRANSISTOR KEEPS
BLOWING |
HT PRESET INT OC |
|
Ferguson |
TX85 |
No lcol |
Replace TDA3565 & check
ref osc adjustment RV8 |
|
Ferguson |
TX85 |
NO LINE DRIVE |
CHECK REGS ON SMALL SUB
BOARD TO LEFT OF chassis for D/J |
|
Ferguson |
TX85 |
No line. |
Check R101 for o/c &
dry joint on R61 |
|
Ferguson |
TX85 |
NO PIC ,
STUCK ON CHAN "0" |
CHECK D901
( 8.2v ZENER ) ON REMOTE BOARD |
|
Ferguson |
TX85 |
NO SOUND OR VISION SOME
TIMES INT. |
TR902 ZTX753 O/C OR DRY
OR IC6 12v REG O/C OR
DRY |
|
Ferguson |
TX85 |
off |
startup volts pin 6 IC4
TEA2018A low at 3.2v - R89/91 82k o/c |
|
Ferguson |
TX85 |
Startup - slow startup then
big picture. |
TR902 on remote board leaky
, or drys on TR902. |
|
Ferguson |
TX85 |
Tripping - pulsing - quiet. |
D13 ( RGP30 ) s/c. |
|
Ferguson |
TX86 |
Coil L10 burnt up. |
Change the coil to a
fusible resistor 0.33ohm 5% , 0.5W. |
|
Ferguson |
TX86 |
Dead - blowing Line
transistor TR13 |
Check the leads of C72 are
not s/c. |
|
Ferguson |
TX86 |
Int dead , 12v supply goes
missing |
dry joints volts reg on
remote pcb |
|
Ferguson |
TX86 |
Line collapse. |
Dry on 330nf C94. |
|
Ferguson |
TX86 |
LOW HEIGHT |
R62 OC ( 27ohm ) |
|
Ferguson |
TX86 |
Reduced frame. |
Change R116 from 8.3R
to 6.8R 0.25W. |
|
Ferguson |
TX86 |
Trips as tho' loptx faulty |
Mains smoother o/c |
|
Ferguson |
TX89 |
Blank raster - no tuning |
C13 220n |
|
Ferguson |
TX89 |
Blank raster. |
C13 ( 0.22uf )
leaky. |
|
Ferguson |
TX89 |
Dead |
Check R102 & R88 |
|
Ferguson |
TX89 |
Dead |
R89/91 82k start up res o/c |
|
Ferguson |
TX89 |
Dead |
R88 1R8 o/c; Tr6 TIPL791A
s/c; D6/D3 s/c; also replaced TEA2018A as a prec - R97 10R had increased
to 35R |
|
Ferguson |
TX89 |
DEAD - ALL P.SUPP. s.c. |
1R8 , ALL DIODES , I.C.
, DIODE |
|
Ferguson |
TX89 |
Dead - chan displays
"1" |
broken track at pad of
loptr |
|
Ferguson |
TX89 |
Dead. |
TR5 ( TIPL791A ) s/c , IC4 ( TEA2018A ) , C69 ( 100uf ) leaky. |
|
Ferguson |
TX89 |
Excess height |
C49 6µ8 50v |
|
Ferguson |
TX89 |
Frame fold-over. |
LOPTX! |
|
Ferguson |
TX89 |
Height excessive |
C49 6µ8 50v |
|
Ferguson |
TX89 |
Height low with bars of
interference rolling. |
R212 0.33R
gone high ( 3.3R
) supply to 12v reg. |
|
Ferguson |
TX89 |
Negative picture & no
colour or AFC. |
C13 s/c on pin 9 of IC2
TDA4501. |
|
Ferguson |
TX89 |
No colour. |
C27 ( 100nf ) |
|
Ferguson |
TX89 |
No pic - sound & chan
display ok |
NOTE TX89 will not work on dummy load - s/c scan coils |
|
Ferguson |
TX89 |
No text or OSD
( text can be seen VERY faintly overlaid on Tv picture ) |
Try putting 560R in
parallel with R209. |
|
Ferguson |
TX89 |
Poor frame lock. |
C27 ( 100nf )
pin 22 TDA4501 low ) |
|
Ferguson |
TX89 |
Poor HT reg |
D9 s/c ; R8 10R safety
- part of 12v supply (midway on pcb 2" from back) Also check
C5 & C6 |
|
Ferguson |
TX89 |
PULSATING WHITE RASTER AND
HUM FROM COLD , CLEARS |
CONDUCTIVE LACQUER ON PCB
BETWEEN ISOLATED SECTION OF CHASSIS AND LIVE SIDE |
|
Ferguson |
TX89 |
Reduced frame. |
Change R116 from 8.3R
to 6.8R 0.25W. |
|
Ferguson |
TX89 |
Ringing effect. |
Change C10 from 47pf to
39pf 5% , 50V. |
|
Ferguson |
TX89 |
Tripping |
C71 330µ 16v pin 16 IC4 |
|
Ferguson |
TX89 |
Tripping |
check smoothing cap |
|
Ferguson |
TX89 |
TRIPS |
CHECK SMOOTHING CAP. |
|
Ferguson |
TX89 |
TRIPS |
C69 100uF 400v |
|
Ferguson |
TX89 |
Trips - if 95v HT is 50-60v
dis L15. |
If HT now rises to 145v check C71 330µ 16v pin 6 IC4 |
|
Ferguson |
TX89 |
WHISTLES OK
IN STBY |
D9 SC |
|
Ferguson |
TX89 |
squeaking and dim picture |
check main cap.150Mfd/400Vdc
 |
