TV
Repair Database
|
Ferguson |
ICC5 |
3 COLOURED FLYBACK LINES
TOP OF PIC |
CHECK DL21 THYRISTOR
( MAY HAVE SCAN COIL
RATTLE ) |
|
Ferguson |
ICC5 |
3 lines of scan at top of
pic only |
IL14 TEA2029 jungle chip |
|
Ferguson |
ICC5 |
Blank bright raster. |
10R on CRT base. |
|
Ferguson |
ICC5 |
Blank raster & no sound |
TDA2541 |
|
Ferguson |
ICC5 |
Blowing BU. |
RL10 o/c may be
intermittent |
|
Ferguson |
ICC5 |
Bright white raster with
fback lines |
No volts coll of RGB o/p
trs - RV82 10R safety res on crt base o/c |
|
Ferguson |
ICC5 |
Channels - no channel
change. |
IC IR01. |
|
Ferguson |
ICC5 |
Child lock removal |
Press "Red" then
"Green", then "blue", then hold "yellow" for
10 secs |
|
Ferguson |
ICC5 |
CLICKING ON NICAM |
FIT 47K BETWEEN PINS 13
& 16 IC1580 NICAM PCB |
|
Ferguson |
ICC5 |
Dead |
Check LG11 ***must replace
CL44 ( 33pF )
RL44 IG01
( TDA4950 ) fit
a ( 22ohm )
in place of JI34 |
|
Ferguson |
ICC5 |
Dead |
LOPTr s/c caused by dry
joints LOPTx |
|
Ferguson |
ICC5 |
Dead |
LOPTx, Chopper tr BU508A,
Field thy, jungle chip, fucus/A1 unit & elect caps |
|
Ferguson |
ICC5 |
Dead - blowing fuse at
switch on. |
Check degauss PTC. |
|
Ferguson |
ICC5 |
Dead - blows mains fuses |
CP02 10nf blue dis cap s/c |
|
Ferguson |
ICC5 |
DEAD , P.SUPP WONT START |
TL17 BC548 . IF 300v COLL
TP24 + S.BY LIGHT ON + LT TO IL14 NO OSC PIN 7 ,
IL14 US |
|
Ferguson |
ICC5 |
Dead apart from rush of EHT |
CP26 470µ - res cap for
7.5v supply |
|
Ferguson |
ICC5 |
DEAD SHOWS 88 IN DISPLAY |
RP42 1R OC IN POWER SUPPLY |
|
Ferguson |
ICC5 |
Dead st/by led flickers
once at sw on |
LG11 e-w mod coil shorted
turns; IG01 TDA4950 e-w chip s/c; CL44 0µ3 o/c; RL46 1k across line lin
coil burnt; RL44 56R & 120R 1/4w o/c; J134 22R feed to TDA4950 o/c |
|
Ferguson |
ICC5 |
E/W faulty - TDA4950 &
assoc res u/s |
E/W coilo - read only 0µH95
instead of 1µH7 |
|
Ferguson |
ICC5 |
East west - Geometry
problems. |
Drys on pins of IG01. |
|
Ferguson |
ICC5 |
E-W bowing |
Replace DL42 (BA157) and
18k res across it |
|
Ferguson |
ICC5 |
FAILURE OF E/W LOADING COIL
WITH 110 TUBES |
REPLACE ALL PARTS LISTED ,
CL44 , 330nf , RL44 , 56+120ohm
FUSIBLE , J134 22ohm FUSIBLE
, IG01 TDA4950. ALSO CHECK
CG11 Inf |
|
Ferguson |
ICC5 |
faint pic sound ok |
CV90, CP37 and check for
dry joints |
|
Ferguson |
ICC5 |
Field collapse (wavy line) |
dry joints/ oc print to
scan coil plug |
|
Ferguson |
ICC5 |
Frame - intermittent frame
collapse. |
DP47 int o/c. |
|
Ferguson |
ICC5 |
Frame collapse. |
Check 3M RL33 , at pin 9 of
IL14 for o/c. |
|
Ferguson |
ICC5 |
Frame collapse. |
3MR at RF01 on main PCB gos high. |
|
Ferguson |
ICC5 |
Frame collapse. |
RF01 ( 3M ) o/c. |
|
Ferguson |
ICC5 |
Frame foldover at top of
picture. |
RF ( 1k )
high at 3k. |
|
Ferguson |
ICC5 |
HA11498 changed to
U4647/B1-TEA5040 |
See Feedback 51 1991 for
mod. |
|
Ferguson |
ICC5 |
Hum bar when hot - going to
frame collapse. |
DP47 int o/c. |
|
Ferguson |
ICC5 |
Int blue raster with
flyback lines. |
Drys on pin 11 of CRT base. |
|
Ferguson |
ICC5 |
Int Colour. |
DV21 ( 1N4148 ) |
|
Ferguson |
ICC5 |
Int dead with burning smell |
Dry joints on cap adjacent
to TL3 by "M2" symbol |
|
Ferguson |
ICC5 |
Int height - affected by
tapping |
dry joints near height pot
- blanket resolder |
|
Ferguson |
ICC5 |
Int sound |
Dry joints headphone skt |
|
Ferguson |
ICC5 |
Int st/by |
dry joints collector of
chopper tr TP24 |
|
Ferguson |
ICC5 |
Int trip - goes off with a
bash |
Degaussing positor |
|
Ferguson |
ICC5 |
Int
trips off - led flashing 6 times |
RL18 4k7 sm int |
|
Ferguson |
ICC5 |
Interference / lines on pic
- comes & goes |
TDA4443 |
|
Ferguson |
ICC5 |
LINE OP TRANSISTOR ONLY
LASTS A SHORT TIME |
CHECK CL48 BY SUBSTITUTION
( VALUE VARIES WITH MODEL ) |
|
Ferguson |
ICC5 |
NO BLUE TUBEY |
RV73 47k BLUE FEEDBACK |
|
Ferguson |
ICC5 |
NO E/W ,
IC FAILED. |
1n2 CERAMIC CAP FROM IC O/P
PIN. |
|
Ferguson |
ICC5 |
No EW correction after a
few minutes. |
PG02 2k2 ) |
|
Ferguson |
ICC5 |
No EW correction. |
J134 ( 22R
) o/c , IG01
( TDA4950 ) |
|
Ferguson |
ICC5 |
No green. |
Broken land collector TV62. |
|
Ferguson |
ICC5 |
NO ON SCREEN DISPLAY |
4.3v ZENER LEAKY
( TEXT BOARD
) |
|
Ferguson |
ICC5 |
No OSG or text. |
TV67 ( BC547C ) |
|
Ferguson |
ICC5 |
No OSG. |
TV07 s/c collector &
emitter. |
|
Ferguson |
ICC5 |
No pic just centre of a
white line at top of screen |
Dry joints DL21 |
|
Ferguson |
ICC5 |
No picture. |
Check TV50 on Decoder PCB |
|
Ferguson |
ICC5 |
No picture. |
BC558B on decoder PCB leaky
or s/c. |
|
Ferguson |
ICC5 |
No R/C operation |
Faulty IR Rx module (
replace C950 with wire link) |
|
Ferguson |
ICC5 |
No sound |
TR57 ( BC558B ) s/c
collector/emitter. |
|
Ferguson |
ICC5 |
No sound |
RS13 ( 4.7ohm ) o/c. |
|
Ferguson |
ICC5 |
no sound |
crack in print on main pcb
near audio pcb |
|
Ferguson |
ICC5 |
No sound just noise. |
TDA4453 in can. |
|
Ferguson |
ICC5 |
No sound. |
Headphone socket o/c. |
|
Ferguson |
ICC5 |
No text or OSG. |
TV67 ( BC547C ) |
|
Ferguson |
ICC5 |
No video or sound (blank
raster), osd & SCART ok |
f amp IC, TDA2451-2 (is no
longer available) |
|
Ferguson |
ICC5 |
ODD FIELD COLOURED FLYBACK
LINES TOP OF PIC |
1K5 o/c NEAR THYRISTOR |
|
Ferguson |
ICC5 |
Off air Tx in background of
Satellite channel |
Cut lead of pin 19 of scart
socket. |
|
Ferguson |
ICC5 |
off led flicks once at sw
on |
CP26 470µ 25v |
|
Ferguson |
ICC5 |
OSG - no OSG - or teletext. |
DV05 zener
( ZPD10 ) on text PCB. |
|
Ferguson |
ICC5 |
Pic comes in at the sides
very int |
Check for hairline crack
around LOPT |
|
Ferguson |
ICC5 |
Poor EW - Coil burnt up by
LOPTX. |
EW Coil , TDA4950 , DL41 (
BYW76 ) , DL46 ( BY228 )
, RL44 ( 66+120ohm ) |
|
Ferguson |
ICC5 |
Poor focus |
LOPTx faulty |
|
Ferguson |
ICC5 |
Pulsing. |
DL55 ( BA157 ) s/c. |
|
Ferguson |
ICC5 |
Raster - white out. |
Check RV82. |
|
Ferguson |
ICC5 |
Ripple on picture. |
TR107 s/c if blows again
change choke L120. |
|
Ferguson |
ICC5 |
Scan very small with wiggly
line in middle |
CL54 680nF o/c |
|
Ferguson |
ICC5 |
Scart - poor picture. |
Add 6.8nf 63v across RS26. |
|
Ferguson |
ICC5 |
Set goes into standby as
soon as EHT comes up |
IC904 ( SL486 ) Drys res in
PSU , Try reset use remote or hold ch up. |
|
Ferguson |
ICC5 |
SET TRIPS 3 TIMES THEN DEAD |
CHECK AUDIO OP ICs FOR
BEING SC |
|
Ferguson |
ICC5 |
Set trips 3 times. |
TL29 ( BC639 ) s/c
, RL30 ( 1R ) o/c. |
|
Ferguson |
ICC5 |
Sound - Intermittent sound. |
Intermittent earth bt front
of spk & mid spk mounting |
|
Ferguson |
ICC5 |
Sound - missing the
occasional word. |
Intermittent earth bt front
of spk & mid spk mounting |
|
Ferguson |
ICC5 |
Sound - no raster or sound. |
CP37 ( 4 , 700uf ) leaky. |
|
Ferguson |
ICC5 |
Sound - poping at switch
on. |
Fit 47k between pins 13
& 16 of IS08 on PC1253 |
|
Ferguson |
ICC5 |
SOUND CRACKLES BADLY WHEN
WARM |
DRY JOINTS ON NICAM
SCREENING CAN |
|
Ferguson |
ICC5 |
Sound int. |
Headphone socket int o/c. |
|
Ferguson |
ICC5 |
Sound vibration. |
Mod see FB |
|
Ferguson |
ICC5 |
SPEAKERS CUT OUT INT |
CHECK SPEAKER SOCKETS AND
HEADPHONE SOCKETS FOR DRYS |
|
Ferguson |
ICC5 |
Standby - Locked in
Standby. |
Press Programme Up button
on front unit for 6 seconds. |
|
Ferguson |
ICC5 |
Startup - no startup. |
Resistor RP42 on main PCB
o/c - low volts to IC IL14 |
|
Ferguson |
ICC5 |
stuck in st/by - S2000A3
lop tr TL31 s/c |
CL48 10n5 stressed -
probably caused fault |
|
Ferguson |
ICC5 |
Teletext - no teletext - or
OSG. |
DV05 zener
( ZPD10 ) on text PCB. |
|
Ferguson |
ICC5 |
Text - no text or OSG. |
DV03 Zenor ZPD4V3 goes
leaky. |
|
Ferguson |
ICC5 |
tripping at sw on then dead |
lopt |
|
Ferguson |
ICC5 |
TRIPPING LINE OP TRANSISTOR
SC |
CL48 DRY
( FLYBACK CAPACITOR ) |
|
Ferguson |
ICC5 |
Tripping. |
LOPTX s/c between pins 11
& 3 also pin 9 to chassis. |
|
Ferguson |
ICC5 |
Tripping. |
RL10 o/c may be
intermittent |
|
Ferguson |
ICC5 |
Trips 3 times then dead |
CP24 47µ 100v drive
coupler to TR24 |
|
Ferguson |
ICC5 |
Trips 3 times then off |
DL55 200v rect BA157 s/c;
CL58 47µ 100v & RV82 10R on crt base damaged |
|
Ferguson |
ICC5 |
Trips 3 times then off - HT
ok with lop dis'd |
If sus the trip cct s/c
TL17 coll-emitt to disable it. If now ok sus DL25 ZPD10 zener 13v line
monitor o/c |
|
Ferguson |
ICC5 |
Trips 3 times. |
Thick film con side of
LOPTX - may take out S2000. |
|
Ferguson |
ICC5 |
Trips once & goes into
st/by |
RL44 56R safwety res o/c -
MAKE SURE SET IS NOT IN ST/BY - depress mains sw for 3-4secs |
|
Ferguson |
ICC5 |
Trips quietly |
0µ33 250v cap near LOPTx,
E/W coil (WVE pt no 20005EW) & TDA4950 |
|
Ferguson |
ICC5 |
Trips then dead |
22µ 250v cap in 200v line
low cap. RL23 1R o/c as it was running line driver tr off 22v |
|
Ferguson |
ICC5 |
TRIPS THREE TIMES |
CHECK 8v LINE ON SECONDARY |
|
Ferguson |
ICC5 |
Tuning - no tuning
operation. |
IT20 ( TDA6316AP ) no
volts to tuner. |
|
Ferguson |
ICC5 |
Unit in child lock |
To remove child lock Push R
G B then hold Yellow for 10 secs |
|
Ferguson |
ICC5 |
VARIOUS NICAM FAULTS |
RESOLDER EARTHS ON NICAM
PCB SCREEN |
|
Ferguson |
ICC5 |
Width 1" on left hand
side. |
Text IC IV02. |
|
Ferguson |
ICC5 (mono) |
No sound even with scart
I/p |
TBA120T sound det chip |
|
Ferguson |
ICC5 IMC |
smoked then off |
dry joint CL48 12n4 in EW
cct - prot tr TL17 BC548B o/c b-e |
|
Ferguson |
ICC6 |
Blank raster |
TA7550 in IF can |
|
Ferguson |
ICC6 |
Chans int scroll through |
Membrane touch panel sus |
|
Ferguson |
ICC6 |
dead - line driver tr TL31
faulty |
you must o/c pin4 IC IR81
to stop tv from tripping |
|
Ferguson |
ICC6 |
DEAD NO STBY LIGHT
, POWER SUPPLY OK |
RP04 OC
( NO UA SUPPLY TO
AUDIO IC ) |
|
Ferguson |
ICC6 |
Field bounce dependent on
pic content |
Incorrect biasing of TP06
on Text PCB Fit RV02 ( 1M )
PtN 90256500 |
|
Ferguson |
ICC6 |
Field jitter |
TV71 sm BC858 |
|
Ferguson |
ICC6 |
Horiz jitter |
BC858 sm TV71 leaky |
|
Ferguson |
ICC6 |
int scroll thro chans |
keyboard foil |
|
Ferguson |
ICC6 |
int start up |
CP29 470µ 16v chopper base
coupling cap |
|
Ferguson |
ICC6 |
Lack of brill (OSD at max) |
fit 5k6 res in parallel
with RR48 (not official mod) |
|
Ferguson |
ICC6 |
LOPTx replacement |
Check that it isn't likely
to short to wire links underneath |
|
Ferguson |
ICC6 |
LOW IF AMP GAIN |
CS25 1uF IN IF MODULE |
|
Ferguson |
ICC6 |
LOW IF GAIN |
CS25 1mfd CAP ON PIN 13 OF LA7550 IC IS10 IN IF MODULE |
|
Ferguson |
ICC6 |
No G2 volts |
C814 |
|
Ferguson |
ICC6 |
No raster until A1's
advanced then blank |
dry joints around loptx |
|
Ferguson |
ICC6 |
No video o/p intermit |
TV92 BC858B sm |
|
Ferguson |
ICC6 |
Removing child lock |
1 switch to standby
2
switch off with mains and let light go out
3 switch on mains while
holding standby on remote for 6 secs
4 a red key shows it is
locked ,toggle on/off with +/- buttons on remote |
|
Ferguson |
ICC6 |
sizzling sound from lopt |
LOPT replaced |
|
Ferguson |
ICC6 |
When playing MACRO encoded
tapes AV time constant |
Replace CV86 with
( 8.2nF ) & RV64
with ( 12K )
& RV66 with ( 15K ) |
|
Ferguson |
ICC7 |
BLOWS 0R68 IN P.SUPP. |
CHECK DL09 BA159 ON
SECONDARY OF LOPT. |
|
Ferguson |
ICC7 |
Bright raster with fb lines |
TT33 BC558 on crt base
caused by CW01 680nf on sub panel dry jointed |
|
Ferguson |
ICC7 |
Clicking sound on NICAM -
ok on mono |
16.384khz Xtal on NICAM pcb |
|
Ferguson |
ICC7 |
Comes out of standby then
goes off. |
Check DP54 DP55 RP62
( 0.1ohm ) DF16 ( BA157 )
DL18 TL18 TP29 TP17 |
|
Ferguson |
ICC7 |
CRACKLING NOISES FROM
CABINET |
FIT MOD KIT Pt No
00P3142010 |
|
Ferguson |
ICC7 |
Dead |
RP62 oc. (
PIN 14 S/MODE. ) FIELD CHIP FAULTY |
|
Ferguson |
ICC7 |
Dead |
Check TP29 : TL19: DP50 :
CP22: DP17 : DP28: |
|
Ferguson |
ICC7 |
Dead |
IP01 TEA2261 |
|
Ferguson |
ICC7 |
Dead |
LOPtr S2000AF s/c - dry
joints caps in line stage |
|
Ferguson |
ICC7 |
Dead |
Mains sw; IR01 micro |
|
Ferguson |
ICC7 |
Dead - eht comes up then
off with screech |
Corrosive glue under RP39
120k had eaten away print |
|
Ferguson |
ICC7 |
Dead - LED red for about 10
seconds then out. |
TL17 s/c , DF16 ( BA157 )
, DL18 ( 1N4148 ) |
|
Ferguson |
ICC7 |
Dead - LED shines red. |
RP62 ( 0.1ohm )
o/c , TDA8178F frame IC IF01. |
|
Ferguson |
ICC7 |
Dead - lopt tr s/c |
check CL21 ( usually 11 nF
) in this case it was down to 12 pF ! |
|
Ferguson |
ICC7 |
Dead
- loptr s/c |
Replace with S2000N &
tuning cap |
|
Ferguson |
ICC7 |
Dead - no LED lit - set
tripping. |
DP17 ( BA157 )
s/c. |
|
Ferguson |
ICC7 |
Dead - no O/P from PSU. |
CHECK DP 28 ON PRIMARY
, BA157 - BA159 |
|
Ferguson |
ICC7 |
Dead - psu ticking |
RP62 0R1 o/c; IF01 TDA8178F
S/C |
|
Ferguson |
ICC7 |
DEAD , NO LED , TRIPPING |
DP17 BA157 (
PRODUCES EOR VOLTS FOR PIN 6 OF IP01
) |
|
Ferguson |
ICC7 |
DEAD , LED SHOWS RED |
CHECK 1st RP62 0.1ohm 24v.
OR IF TDA8178F , FIELD IC
( MAY NOT RUN WITH IC
DISCONNECTED , REPLACE!
) |
|
Ferguson |
ICC7 |
DEAD , LINE OSC WONT START. |
IRO1 MICRO
( ST 6391B1/BC
) PtNo IOO35850 |
|
Ferguson |
ICC7 |
DEAD FUSE FP01 OC
CHOPPER TP29 SC |
IP01 TEA2261 + RP62 OC 0R1 |
|
Ferguson |
ICC7 |
DEAD HT - LINE DRIVE
RISES - DIES |
CHECK LINE DRIVE AMPLITUDE |
|
Ferguson |
ICC7 |
Dead HT present |
3300µ 35v cap behind loptx
leaked & corroded adj track |
|
Ferguson |
ICC7 |
DEAD LED LIGHTS FOR 8-10
SECS THEN GOES OUT |
SCOPE LINE DRIVE AT PIN 39
TA8659 , IF OK ,
CHECK at base Tl17 ALSO CHECK
DF16 , DL18 |
|
Ferguson |
ICC7 |
Dead No LED |
Check V at pin 16 TEA2261
if low 1.6V replace DP28
( BA157 ) |
|
Ferguson |
ICC7 |
DEAD NOT TRIPPING |
RP62 OR1
DL09 SC |
|
Ferguson |
ICC7 |
Dead standby LED on. |
CHECK LINE DRIVE O/P.CHECK
PIN 20 IRO1 , SHOULD BE HIGH
TO START IVO1 |
|
Ferguson |
ICC7 |
Field collapse |
Check for cracks in print
between pin 5 IF01 & pin 2 BF01 Scan coil plug |
|
Ferguson |
ICC7 |
Field collapse |
DF16 BA157 |
|
Ferguson |
ICC7 |
Field collapse Screen
blanked out May go into StBy |
Check RV72
( 22ohm ) RL11
( 15ohm ) RF07
( 1M5ohm ) DF16
( BA1257 ) DL11 ( BA157 ) |
|
Ferguson |
ICC7 |
FIELD FOLDOVER |
USUALLY AFTER TDA8178F
FIELD IC IC CHANGED THIS IS MARKED AS A LINK J238 AND NOT SHOWN IN MANUAL.
PT No. Ferguson 41081600 |
|
Ferguson |
ICC7 |
Field foldover : Reduced
scan |
RF23 o/c Print o/c at pin
12 LOPT RF07 ( 1M5ohm )
RF21 ( 0.68ohm )
DL09 ( BA157 )
DF17 s/c |
|
Ferguson |
ICC7 |
Field foldover at bottom |
CF84 1µ (in front of field
coils plug) |
|
Ferguson |
ICC7 |
Field IC replacement |
Replaced by STV9379F
& 3k9 between pins 2 & 7, 2v1 zener between pin7(+) &
(-ve) to chassis (IC MUST
have suffix "F") - If not you get lack of height & blows
line dr tr & RP52 safety res |
|
Ferguson |
ICC7 |
int black & white lines |
dry joints esp CS25 1µ in
IF module |
|
Ferguson |
ICC7 |
Int dead |
triggers over current
sensor - HT setting critical (120v) |
|
Ferguson |
ICC7 |
Int going into standby. |
CHECK TR16 - TR17. Check
pin 40 IV01 ,
9V= on 0V = StBy Trip |
|
Ferguson |
ICC7 |
Lack of width with IG01
overheating |
Replace IG01 & CL24
440nf o/c - which was the cause of the fault |
|
Ferguson |
ICC7 |
LINE DRIVER GOES SC AFTER
10secs TL17 |
DF16 IN FIELD CCT SC |
|
Ferguson |
ICC7 |
LINE OP TRANSISTOR SC
REPLACEMENT BLOWS AFTER 15min |
LINE DRIVE TX DRY |
|
Ferguson |
ICC7 |
Lines on screen looks like
IF off , usually when 1 |
D/J on CS25
( 1uF ) inside if can
pin 13 IS10 |
|
Ferguson |
ICC7 |
LOP TRANSISTOR SC - BLOWS
AFTER 15mins |
LINE DRIVE TX DRY |
|
Ferguson |
ICC7 |
LOW RED/GREEN ETC |
CHECK 39Ks CRT BASE |
|
Ferguson |
ICC7 |
Low sound |
C514 1µ 63v in if can |
|
Ferguson |
ICC7 |
Low volume |
1µ 63v cap CS14 in IF
module |
|
Ferguson |
ICC7 |
NO NS CORRECTION |
CHECK FOR -26.8v AT EMITTER
OF TG38 OR TG84 BD137 : if missing RG87
( 2.2ohm ) o/c or TG84
leaky |
|
Ferguson |
ICC7 |
No colour |
Check RC09
( 22ohm ) 12V feed to
pin 6 IV01 (
D/J on BE06 Text PCB ) |
|
Ferguson |
ICC7 |
No colour |
IV01 ( TA8659 ) IE50
( TEA2114 ) |
|
Ferguson |
ICC7 |
No EW correction. |
RG87 ( 2.2R )
o/c , TG84 s/c or leaky on NS PCB right hand side |
|
Ferguson |
ICC7 |
No field or line sync |
CV54 0µ1 o/c |
|
Ferguson |
ICC7 |
No frame. |
RL11 ( 15R
) o/c ,
and/or DL11 ( BA157 ) s/c
, TDA8178F |
|
Ferguson |
ICC7 |
No go - line transistor
short. |
Check for drys on line
driver Tx. |
|
Ferguson |
ICC7 |
No N/S corr |
TG84 BD137; RG87 2R2 |
|
Ferguson |
ICC7 |
NO NICAM SOUND |
R501 ( 33R
) -ON NICAM PCB |
|
Ferguson |
ICC7 |
no r/c operation |
BA01 dry joint |
|
Ferguson |
ICC7 |
No sound or pic X Hatch
type patt only |
Tapping IF module affected
fault - dry joints IF unit |
|
Ferguson |
ICC7 |
No sound/vision - no vid at
IF module pin 6 |
Sound visible at pin 10 of
module - module u/s - repaired at MCES |
|
Ferguson |
ICC7 |
No startup. |
IF TL17 US ,
ALSO REPLACE DF16 (
BA157 ) |
|
Ferguson |
ICC7 |
NOT SWITCHING TO TEXT |
SAA5243 |
|
Ferguson |
ICC7 |
Not tuning . |
RH04 27k
( behind LOPT ) |
|
Ferguson |
ICC7 |
OSD appears at random -
front controls int |
Ribbon cable from front
panel membrane keypad duff |
|
Ferguson |
ICC7 |
Patterning - black &
white pic |
Dry joints IF module |
|
Ferguson |
ICC7 |
Pic size varies with
brightness |
Check CL24 line scan
coupling cap, CL28 330n, CL21 6n1 |
|
Ferguson |
ICC7 |
PICTURE INSTABLE INT. GOES
NEGATIVE OR LOSSES SYNC |
C525 IN IF CAN DRY |
|
Ferguson |
ICC7 |
Poor focus |
LOPTx |
|
Ferguson |
ICC7 |
Psu starts and shuts down
immediately |
Replace TDA8178F field IC
and check DL09 BA157 (
pin 12 lopt ) |
|
Ferguson |
ICC7 |
RG85 on NS pcb o/c |
TG76 BD137 leaky |
|
Ferguson |
ICC7 |
RP62
in field cct goes o/c at sw on |
IF01 TDA8178F s/c |
|
Ferguson |
ICC7 |
Smeary with poor col |
RT24/44/64 39k 1w resistors
on crt base or TEA5101A RGB o/p chip |
|
Ferguson |
ICC7 |
Sound barely audible |
Replaced 5 electro caps in
if module |
|
Ferguson |
ICC7 |
Sound low & dist |
C514 1µ 63v in IF can |
|
Ferguson |
ICC7 |
Sound low/weak |
CS14 1µ 63v in IF module |
|
Ferguson |
ICC7 |
STARTS ,
SHUTS DOWN |
CHECK HT ,
IF OVER 100v P/S OK ,
Check for 9V pin 40 IV01 5V pin 42 IR01 |
|
Ferguson |
ICC7 |
STARTS BUT WONT RUN. |
CHECK HT SETTING
, CHECK POT SETTING. |
|
Ferguson |
ICC7 |
Strong EHT rustle at sw on
then cuts out |
CP59 3300µ 35v leaked
& corroded print |
|
Ferguson |
ICC7 |
TL17 LINE DRIVER FAILS WHEN
LOP ENERGISES |
CHECK DF16
BA157 FIELD OP. STAGE |
|
Ferguson |
ICC7 |
TOP FOLDOVER |
CHECK 65v RAIL ,
IF LOW AT 32v DL09 OR TDA8178F |
|
Ferguson |
ICC7 |
Top frame foldover. |
DL09 ( BA157 )
leaky , IF01 ( TDA8178F ) |
|
Ferguson |
ICC7 |
Tripping at 1 second
intervals. |
TV01 ( BC558 )
leaky , ck by
replacement only , may be
caused by faulty LOPTX. |
|
Ferguson |
ICC7 |
TRIPPING CONTINUOUSLY
, STBY LED FLASHES LOW
BRILL |
DP17 BA157 POWER SUPPLY |
|
Ferguson |
ICC7 |
Tripping PSU |
Replace IA05, check DP26;
replace TU01 BC558, TL17 s/c; replace DF16 - psu repair kit part no
10268040 |
|
Ferguson |
ICC7 |
Tripping PSU |
DP24,
26, 27 |
|
Ferguson |
ICC7 |
Tripping. |
Replace IA05 , DP24/26/27 ,
TV01 ( BC558 ) , TL17 , DF16
, ( kit 10268040 ) is available |
|
Ferguson |
ICC7 |
Trips 4 times at sw on then
dead |
DP17 BA157 by psu heatsink |
|
Ferguson |
ICC7 |
Trips every 2 - 3 seconds |
Replace DP24 , DP26 ,
DP27.May measure OK , Check by replacement. |
