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Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair
Make
Model
Problem
Solution
Date
Found: 48
B & O
MX1500
78
XX
raster but no sound or picture.
ICP1640 ( 630mA ) o/c.
14-09-04
Daewoo
DTE28G7GB CP
78
5
No sound/pic - psu & line drive ok
TDA8385J FOP chip faulty
14-09-04
Dawa
3
78
8
Dead
ht (105v) down to 60v the ht reservoir c602 (100/ 160v) was o/c
14-09-04
Decca
94
78
POOR LOW CONTRAST PICTURE
R427 - 120k ( BEAM LIMIT SUPPLY FROM 121v )
14-09-04
Ferguson
38
78
Dead.
CA13 ( 0.47uf ) leaky.
14-09-04
Ferguson
78
M5 (ICC5)
NO NICAM SOUND AND POOR MONO SOUND
REPLACE C176 10MFD INSIDE IF CAN ALSO DRY JOINTS
14-09-04
Ferguson
8
78
7
Pic too bright
Replace TBA530 on vid module
14-09-04
Ferguson
8
78
7
Red flooded pic
RJ11 18k 2w o/c
14-09-04
Ferguson
D
78
N (ICC9)
PULSING RED/GREEN LED
CHECK SMD DIODE DP83 OFF PIN1 OF IP03
14-09-04
Ferguson
ICC5
78
M5
Sound - NICAM absent & FM sound poor as if off tune
C176 10µ in IF can & check for dry joints in can
14-09-04
Ferguson
ICC5 B
78
NT
Dead
LOPTr s/c & CL42 360nF 250v leaky
14-09-04
Ferguson
ICC9 D
78
N
Red LED comes on, changes to G then off
DP83 LL4148 sm diode o/c
14-09-04
Ferguson
ICC9 D
78
N
EW faulty
Volts at coll TL40 EW dr tr low - CL42 4µ7 160v
14-09-04
Ferguson
TX92 T
78
N
Dead with st/by led flashing
Check LOPTx & EEPROM X24C04 IR01 - damaged when fault occurred (if fault still present)
14-09-04
Goldstar
CIT4
78
5
Dark pic with field non lin
C820 HT cap 10µ 160v
14-09-04
Goldstar
CIT4
78
5
Field collapse
40v wform at pin 2 of LA7830 chip - check C305 100µ 16v
14-09-04
GOLDSTAR
CIT4
78
5
Int dead
dry joints chopper chip (looked ok) & check other dries in psu
14-09-04
Goldstar
CIT4
78
5
Int no sound/pic/field collapse - display stuck on "0"; no r/c or front controls
int s/c on 12v line - P101 pin 11 s/c to adj pin
14-09-04
Grundig
78
90
Loss of 45v rail
IC430 TDA8350Q
14-09-04
Grundig
8
78
7
dead
RU05 & RU15 resistors sprung open & fuse VU09 o/c no other ff
14-09-04
Grundig
CUC
78
61
Poor field,no tuning, no col, smeary pic
45v supply low due to R552 2R2 o/c
14-09-04
Grundig
CUC
78
61
Sound from bass speaker weak
CT4140 BC849C sm tr o/c
14-09-04
Grundig
CUC
78
61
St/by only - started as line collapse
R503 4R7 safety res, TDA8350, D503 BY228 s/c & T572 2SD1432 breaking down under load - also check D502, D438 33v zener
14-09-04
Grundig
CUC
78
90
Focus poor
C07 680pF 12kv leaky
14-09-04
Hitachi
G6P CPT21
78
Sync - line & field int lost
IC2110 5v reg dry joints
14-09-04
JVC
78
15GB
Partial field collapse
R414 680R o/c
14-09-04
JVC
78
60
Bright raster.
C104 ( 10uf , 200v ) dries up , TR204 ( BC327 will do )
14-09-04
JVC
78
60GB
Bright pic with fb lines
RGB O/P volts low at 110v (150v). C21 47µ 50v o/c
14-09-04
Luxor
1806
78
49
Loss of memory
Memory battery hidden behind front panel
14-09-04
Panasonic
TC1
78
5 Z3
Dead aft 5 mins
STR50103A-M (use Pan spec version - others won't work properly)
14-09-04
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Last SM download : DENON PMA-680R
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