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Repair tips

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

MakeModelProblemSolutionDate
Found: 45
SonyBE-1dark neg pic with line tearing and hissdry joints if module14-09-04
SonyBE-1faint green pic with fb linesDig tr Q308 DTC114ES leaky14-09-04

SonyBE-1field collapsedry joints fop chip UPC1488H or TDA2579 tb gen chip14-09-04
SonyBE-1Field collapsecheck for dry joints on fop chip, chip, cct prot PS501, R801 0R4714-09-04
SonyBE-1ht high at 135v (119v), 24v (28.5v)these volts are correct!! - even for a 21" tv14-09-04
SonyBE-1int col lines third way down screendry joints fop chip14-09-04
SonyBE-1int pic with osd int showingdry joints if module14-09-04
SonyBE-1no control of soundD201 1SS133 or C076 4n714-09-04
SonyBE-1no syncok without txt panel fitted -o/c track to sm reg tr Q02 on txt pcb14-09-04
SonyBE-1STR54041 destructionQ601 BC637-17, R615 33R o/c- dry joints line osc IC sus14-09-04
SonyBE-1stuck in st/byBU506DF s/c, PS802 o/c - dry joints IC551 TDA2579A tb chip14-09-04
SonyBE-1wont stop on search tune or storedry joints IF can14-09-04
SonyBE16 flyback lines (2 of each col) top of picIC501 µPC1488H chip dry joints14-09-04
SonyBE1dark after period of timeC329 22µ 16v tant14-09-04
SonyBE1DeadTDA2597A14-09-04
SonyBE1Dead apart from high pitched whistle from psuBreakdown in loptx14-09-04
SonyBE1Dead HT 110v present at test pointNo B+ volts at loptr - PS01 N15 600mA cct prot o/c14-09-04
SonyBE1DEAD NO HT BU506 SCCHECK R606 68R OR REPLACEMENTS14-09-04
SonyBE1DEAD ONLY 25v ON D604 ( 119v IS COECT )C608 680pF LEAKY CONNECTS ACROSS D60414-09-04
SonyBE1Dead.BU506 , D611 , R606 ( 68R )14-09-04
SonyBE1E/W & Width problemsC808 47nf 250v14-09-04
SonyBE1Field collapseCheck R801 ( 0.47R ) & PS501 if both o/c IC501 ( uPC1488 ) u/s if ok check for D/J around ic14-09-04

SonyBE1Field collapseReplace fop chip with a µPC1488H (orig LA7830) & check cct prot14-09-04
SonyBE1Field collapseIC501 µPC1488H faulty - supply from LOPTx high - dry joint on loptx esp pin 11 (chassis)14-09-04
SonyBE1Hooking at top of pic with buzzing from lop stageline dr pulse at pin 8 of TDA2579A IC551 affected when fault present - chip faulty14-09-04
SonyBE1Int goes to lines / loss of soundDry joints T01 & T02 in IF can14-09-04
SonyBE1Int loss of syncNo vid from txt pcb to sync sep pin 5 IC551. 12v supply on txt pcb only 5v due to Q02 o/p (sm) 2SC2873-Y faulty14-09-04
SonyBE1Iont sound & vis - goes black with linesDry joints in VIF can14-09-04
SonyBE1Lack of width & E/W distL804 2.7mH o/c - couples E/W drive to diode mod14-09-04
SonyBE1LINES OF RED , BLUE , GREEN AT TOP OF SCREENIC501 ( FIELD OUTPUT DRY ) u/s R801 ( 1K )14-09-04
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