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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: 5614
Aiko
C
T20
Int dead
dry joint R233
14-09-04
Aiko
C
T20
Int field - height
FOP tr Q303 2SB546A faulty - used TIP42C in lieu
14-09-04
Aiwa
C
202KER
Field collapse
Fusible link 1500 marked as jumper lead from loptx to reg via D6813
14-09-04
Aiwa
C
XZR800K
At sw on relay clicks "DEMO" displayed then dead - keeps repeating
Check 2 x 2SK2723 FETs on sound o/p heatsink
14-09-04
Aiwa
TV
C
211
St/by only
Replace EEPROM & R617 - the cause - which goes hi res
14-09-04
Aiwa
VTV
C
TV/VCR
Dead
R 519 100k STARTUP CIRCUIT. HT SUPPLY ( 103v ) VIA THIS CIRCUIT. SIMILAR TO ORION VTV.
14-09-04
Akai
C
omp D2
Dead
D/J on on off switch or On off switch burnt
14-09-04
Akai
C
T-T21N32S
I have an Akai CT-T21N32S which will not fire up, the red LED is illuminated on the front but nothing else happens, I have tested dozens of components but to no avail, the block diagram in the service manual I have is unreadable which is quite upsetting a
cure: replace eeprom IC602 ref
23-06-05
Akai
C
T1417D
St/by only
C406
14-09-04
Akai
C
T1417UK
Field collapse
C411 leaky
14-09-04
Akai
C
T1417UK
FRAME COLLAPSE
C411 LEAKY
14-09-04
Akai
C
T20K2PA
Dark pic - increasing sub brill resulted in field coll
R436 120k o/c
14-09-04
Akai
C
T2107MS (Onwa)
Int off with blob in centre of screen
Check for hairline cracks around chopper tfmr pins
14-09-04
Akai
C
T2115UK
Lack of width & burning smell
R824 100R 2W overheating due to dry joint L824
14-09-04
Akai
C
T2115UK
St/by only
PCA84C640P micro
14-09-04
Akai
C
T2125
Comes on with chirping noise & st/by led on then trips out after 1/2 min
C817 100µ 25v
14-09-04
Akai
C
T2125
Int blank raster with fb lines
OK when con TD203 on txt pcb removed - TZ01 27Mhz Xtal
14-09-04
Akai
C
T2137
Field scan only I"
No 33v via R442 - 5R16 8k2 o/c
14-09-04
Akai
C
T2137UKT
No sound except hiss - ok through scart
when a 6Mhz resonator was fitted in vacant place 30F1 sound ok
14-09-04
Akai
C
T2137UKT
Vision buzz
Remove digital transistor 9tr9
14-09-04
Akai
C
T2142VNT
Poor pic with fbck lines and curious col
IC301 pin 12 supply only 7v5 (9v1). R424 (0R68) hi res
14-09-04
Akai
C
T2159 Onwa
Field faulty - int lines at top etc
C417 220mfd 16v, C423 2200mfd 25v, C435 470mfd 16v
14-09-04
Akai
C
T2159UT Onwa
No start up
C910 & C912 47µ
14-09-04
Akai
C
T2159VT
Dead
Sw mode tr overheats - replace D901, C405, C910, C912 & C431
14-09-04
Akai
C
T215UK
Trips off with chirp & no st/by
C817 100µ o/c
14-09-04
Akai
C
T2179N-UK
Line osc too fast
C416 220pf 1kv dry joint, R412 10k ?w o/c
14-09-04
Akai
C
T2179NUK
Whistles for 1sec then dead
C807 47uF 25v
14-09-04
Akai
C
T2179UK
Int blanking pic
RIC01 SPH113 chip faulty (blanking sig o/p at pin 25)
14-09-04
Akai
C
T2185
Reverts to st/by aft few secs from sw on
Pin 19 of micro low - R748 100k pull up res faulty
14-09-04
Akai
C
T2185-10
St/by only
dry joints psu
14-09-04
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