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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: 209
Osaki
P140
GR1
AX
Sound but no pic
No A1 volts - LOPTx
14-09-04
Philips
14R
GR1
Removing Hotel Mode
press control + & - on ch38
14-09-04
Philips
GR1
dead - front led flashing
lop tr o/c, ht now ok but no line - C2523 6µ8? 50v o/c and smoothing choke
14-09-04
Philips
GR1
No pic - sound & EHT OK
No A1s - lopt
14-09-04
Philips
GR1
off
95v & 9v present lopt faulty
14-09-04
Philips
GR1
off
L5524 1.5mH choke - can be int
14-09-04
Philips
GR1
off
no HT or 9v ; 5v ok - lopt
14-09-04
Philips
GR1
off - possible failure of lop tr & lopt
C2523 6µ8 50v
14-09-04
Philips
GR1
off with low growling noise
95v ok; no 9v start up - check C2523 6µ8 & L5524 1µ5
14-09-04
Philips
GR1
tuning drift on selected chans
ht preset int
14-09-04
Philips
GR1
won't store analogue settings
ST24C02CP eeprom
14-09-04
Philips
GR1
AX
BLANK SCREEN , NO SOUND
C2044 4mfd SC.
14-09-04
Philips
GR1
AX
Dead
CHECK L5524 - 9v SUPPLY TO LINE OSC FROM PIN 26 STARTED FROM PULSE ON PIN 11 OF i.c. 7020
14-09-04
Philips
GR1
AX
DEAD , NO LINE OSC.
Check C2519 ( 150pF ) pin 26 TDA8305 Check D6030 12v ZENER & D6523
14-09-04
Philips
GR1
AX
DIM PICTURE LINES ON COLOUR
D6326 12v ZENER
14-09-04
Philips
GR1
AX
EXCESSIVE HEIGHT , LIN FAULTY , FIELD BLANKING
C2043 82pf
14-09-04
Philips
GR1
AX
fails to stop at station when tuning
L5045 o/c
14-09-04
Philips
GR1
AX
Field collapse usually with blank screen
IC7500 ( TDA3653 )
14-09-04
Philips
GR1
AX
H.T. high
R3562 ( 33K )
14-09-04
Philips
GR1
AX
H.T. varies sound goes up to Max
C2631 ( 22nF )
14-09-04
Philips
GR1
AX
Int Buzz
CF1036 6Mhz filter
14-09-04
Philips
GR1
AX
Int destruction of line TR
Replace T7521 & T7523 ( BC337 )
14-09-04
Philips
GR1
AX
INTERMITTENT COLOUR ALSO AN OCCASIONAL DARK VERTIC
CRACK IN PRINT LEADING FROM PIN 10 OF LOPT
14-09-04
Philips
GR1
AX
LINES ON PIC AFTER AN HOUR OR SO ON SOME SCENES br
C2523 ( 6.8mfd )
14-09-04
Philips
GR1
AX
LOW SOUND
D6715 5v1 ZENER NEAR IC7700
14-09-04
Philips
GR1
AX
NO VIS , BLANK UNMODULATED RASTER
C2045 ( 22nF ) CERAMIC CAP LEAKY
14-09-04
Philips
GR1
AX
poor line sync
C2501 ( 10uF )
14-09-04
Philips
GR1
AX
Sound slow coming on aft channel change
T7046 ( BC558 ) o/c
14-09-04
Philips
GR1
-AX
dead - st/by light flashing
ht=70v - loptx faulty
14-09-04
Philips
GR1
-AX
no sound or pic - low hum from spkr
No line drive due to C2058 22µ o/c connected to pin 11 IC7020
14-09-04
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