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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: 776
Matsui
1480A
Dead with whine
D506 R2M diode leaky, pic now present with thin red vert line down lh side of screen. C509 470µ 35v was cause. Also replaced C507 100µ 160v leaky
14-09-04
Matsui
1480A
INT NO PIC
CONNECTIONS TO TEXT PCB SUSPECT
14-09-04
Matsui
1480A
Int pic blank
Dry joints txt panel connector CD902
14-09-04
Matsui
1480A
Pic int blanks out
check connecting leads to txt pcb are making contact
14-09-04
Matsui
1480A
Picture int blanked off.
Check Text PCB is makig good contact via its leads crimped PVC?
14-09-04
Matsui
1480A
Won't go into st/by
R126
14-09-04
Matsui
1480B
Dead with whine
LOPTr 2SD1554 leaky - also replace power chip STR50103A
14-09-04
Matsui
1480B
Int sync
Dry joints C940 1µ
14-09-04
Matsui
1481
SMEARING ON VIDEO AND STRIATIONS ON LEFT OF PICTUR
C431 DRY
14-09-04
Matsui
1481
VERY DISTORTED SOUND
R354 39K
14-09-04
Matsui
1481B
R/C lockout
R158 (ICP401 315mA fuse) o/c
14-09-04
Matsui
1481B
Red weak
C964 1µ 50v on crt base
14-09-04
Matsui
1481B
Sound very low
CF301 6Mhz filter in IF cct dry joints
14-09-04
Matsui
1481B
STUCK ON ONE CHANNEL NO REMOTE OPERATION
R158 ( SHOWN AS 315MA FUSE ICP401 )
14-09-04
Matsui
1481B
Trapezium distortion
Scan coils s/c due to corrosive glue
14-09-04
Matsui
1481B
VERY LOW SOUND
DRY JOINTS ON 6MHZ FILTER CF301 ( IF SECTION )
14-09-04
Matsui
1481B
WEAK RED
C964 ( 1uF , 50V )
14-09-04
Matsui
1482
Attempts to start then shuts down- cannot be run on dummy load
Run set on 160vac - check for cracks by LOPTx pin 1 to coll Q702
14-09-04
Matsui
1482
Bright, blank raster
C630 100µ 25v 12v reservoir cap o/c
14-09-04
Matsui
1482
Dark pic
Adj VR303 and check for dry joints
14-09-04
Matsui
1482
Dead
check st/by trfmr
14-09-04
Matsui
1482
Int goes bright & smeary
ribbon cable to crt base has shorting wire
14-09-04
Matsui
1482
int goes to st/by
st/by tfmr Farnell 926-280 ?4
14-09-04
Matsui
1482
No blue
TDA3566 faulty-replaced with TDA3566A
14-09-04
Matsui
1482
Snowy pic
Not tuner but SAWF
14-09-04
Matsui
1482
St/by only
R605 680k in psu o/c
14-09-04
Matsui
1492
Blank raster
C206 0µ47
14-09-04
Matsui
1492
Dark black & white pic remains in st/by
Q907 s/c
14-09-04
Matsui
1492
Dead
LOPTx HR8169 CHS ?19.45
14-09-04
Matsui
1492
Int sync
Check for dry joints on txt pcb - pins 4 & 8 conn CP851
14-09-04
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