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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: 1049
Panasonic
Euro 2 TX25MD1
Dead apart from green LED flashing 1 sec every 8 secs
Fit replacement kit - IC601 Vid proc chip VDP3108-APP1& EPROM 27CO10-603 & 4pF cap sm
14-09-04
Panasonic
Euro 2 TX25MD1
Int loss of NICAM sound with crackling & slight field cramp when occurring
Xtal connected to IC2101 faulty - pt no TSS4004B
14-09-04
Panasonic
Euro 2 TX25MD1
No pic for 1st hour - osg ok
2 x sm 820R res in middle of tuner dry joints
14-09-04
Panasonic
Euro 2 TX25MD1
Trips aft 5 secs with no sound/pic when cold
OK when heated traced to IC2101 MSP3410-15(TV) audio proc chip (trips when cooled)
14-09-04
Panasonic
Euro 2 TX25MD1/M
Tearing pic off air & scart - ok on txt
IC601 Vid proc chip VDP3108-APP1
14-09-04
Panasonic
Euro 2 TX28MD3
Dead apart from relay clicking at 1Hz
C807 100µ 25v in PSU pri
14-09-04
Panasonic
Euro 2 TX29AD1
No sound/pic just ticking from relay
could be LOP fault but relay faulty in this case
14-09-04
Panasonic
Euro 2 TX29AD1DP
Bright red raster which went to field collapse then tripped off
Dis pins 5 & 6 of EEPROM I941 & re-try. If pic returns, albeit short, then EEPROM faulty. Reqs reprog or a pre prog one fitting (X24C0706AH - Pan- cheapest, or SEME). Also replace relay TSE10818 - cause of initial trouble & remove R668
14-09-04
Panasonic
Euro 2 TX29AD1DP
Dead with psu tripping
C622 47µ 50v, C634 1µ 50v
14-09-04
Panasonic
Euro 2L
Cuts out on high brightness - beam curr lim u/s
R558 120k possible, Micro IC1201 should sense Beam I pin 27 - not happening due to faulty micro - new µ needs reprog in a reader
14-09-04
Panasonic
Euro 2L
Field collapse
Fit kit TZS9EK002-2 (IC601 & EEPROM) - (?27 from SEME)
14-09-04
Panasonic
Euro 2L
Field collapse
Noisy wfm from IC601 VDP3108-25 sigs proc chip - chip faulty (?35)
14-09-04
Panasonic
Euro 2L
FOP chip blows regularly
Replace assoc diode as well
14-09-04
Panasonic
Euro 2L
Int herringbone pattern on RF & SCART
legs on IC 601 ( under the metal shielding ) dry joints
14-09-04
Panasonic
Euro 2L
No E-W corr
R702 22R 1/2w o/c;C554 510n 200v o/c
14-09-04
Panasonic
Euro 2L
St/by only
IC601 VDP3108-25 sigs proc chip faulty
14-09-04
Panasonic
Euro 2L
Top foldover
If TDA8175 not available fit replacement chip (no n/k) & 1. R452 remove and fit wire link, 2. R457 change to 2.7k, 3. R456 check that it is 10k, 4. R460 check it is 18k, 5. R464 check it is 0R27
14-09-04
Panasonic
Euro 2L
Tuning drift & loss of sigs mid range
Resolder earths in tuner
14-09-04
Panasonic
Euro 2L
VCR incompatibility - pulling at top
Incorrect chan in use - use chan 0 (AV)
14-09-04
Panasonic
Euro 2L TX28LD1/B
White screen with vert black thin lines from cold - ok if IC601 heated
IC601 VDP3108-25 luma/chroma proc chip
14-09-04
Panasonic
Euro 2L TX21MD1
White snow effect on screen on high brightness
IC601 VDP3108A digi sigs proc chip
14-09-04
Panasonic
Euro 2L TX25MD1
Filed foldover with thin R & G lines at top
IC451 TDA8175 & D456 MA2160B - kit pt no TZS5EK001
14-09-04
Panasonic
Euro 2L TX25MD1
No pic - sound ok
F851 o/c then field collapse noticed. Fit FOP kit TZS9EK026-1 & blew FOP chip - D425 s/c & R702 o/c
14-09-04
Panasonic
Euro 2L TX28LD1
Field collapse
TDA8175-3 FOP chip & D456 MA2160 - chips in short supply replace it with a TDA8177. Mod kit Part no TZS9EK026-1 from SEME
14-09-04
Panasonic
Euro 2M
No sound (relay clicked a few times before set switched on).
Resolder xtal. X2101 beside audio processor chip IC 2101.
14-09-04
Panasonic
Euro 2M TX25MD3
St/by only/ whistle on sound when fixed
Q1212 BC847B blasted - when replaced set ok apart from whistle on sound caused by audio proc chip
14-09-04
Panasonic
Euro 2S TX29AD2DPB
Blank greenish raster with lines at top lh side - sound ok
IC601 VDP3108APPA1 jungle IC (42.22UKP)
14-09-04
Panasonic
Euro 2S TX29AD2DPB
Burst of eht at switch on then trips off after about 7 secs with frame collapse visible just as it went off
IC601 VDP3108APPA1 jungle IC (42.22UKP)
14-09-04
Panasonic
Euro 3H
field collapse
Mod kit TZS8EK003 reqd when replacing field chip IC451 TDA8350Q/N5. Costs 22p - worth >?10!
14-09-04
Panasonic
Euro 3HWS TXW36D
Loss of sync on chan change - ok on vcr chan
IC801 TDA9143-N1
14-09-04
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Last SM download : BOSE -wave-radio-1993
script execution: 0.14 s