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Sony Repair Tips




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Search: sony
Results: 20073
Make Model Symptom Problem Solution By
SONY BE4A KV25T1U
Corrugations and poor eht stability Loptx
SONY BE-4A KV21T3U
Volume goes to max, no remote or front control functions Micro gets hot, replace micro part no 875947506
SONY BE-4A KV21T3U
No pic (blank video) D722 (871999133) o/c is crt
SONY BE-4A KV21T3U
Blank raster with flyback lines A1 voltage too high, replace loptx
SONY BE4A CHASSIS
Frame collapse. replaced frame output chip, but picture geometry was not ok. the voltage at pin 8 of mc44007p chip measured low. If picture geometry after replacing vertical outp. chip is not in order, replace also mc44007p. (replaced also str-s5706 in case an overvoltage caused the fault)
SONY BE4A CHASSIS
Frame collapse. replaced frame output chip, but picture geometry was not ok. the voltage at pin 8 of mc44007p chip measured low. If picture geometry after replacing vertical outp. chip is not in order, replace also mc44007p. (replaced also str-s5706 in case an overvoltage caused the fault)
SONY BE4A
Field collapse with visible line Stv9379 fop ic & 24v fusible next to loptx
SONY BE4A
Dead - st/by led flashes 4 times (no lop) No line drive from ic301 mc44007p - chip u/s
SONY BE4A
Dead - cp602 on sec psu o/c Replacement cures fault only temp - cp602 to n75 (2.5a); add 5v6 zener between pins 1 & 9 ic803, add 5v6 zener between pins 9 & chassis on print side of pcb
SONY BE4A
Dead - 6 blinks from led Overvolts or current indicated - check ht (118v) - use dummy load; c608 10µ, c620 100µ 160v, strs5706 poss & loptx
SONY BE4/4A
Tripping with 6 flashes from led & rush of eht Loptx - eht sect faulty
SONY BE4 KVM2171U
Dead after half an hour Strs5706 ic601
SONY BE4 KV21T3U
Int dead R607 0r56 2 watts had risen in value to nearly 2 Ω
SONY BE4 KV21M3U
Field collapse R814 0r47 in 24v supply o/c - use proper improved sony type
SONY BE-4 KV16WT1U
Frame collapse (no picture) R814 0.46r 0.5w (121781111) o/c, ic501 tda9302, c504 100uf 50v, also replace d501 rgp10gp (871930243) or may fail again
SONY BE-4 KV16WT1U
Frame collapse Dj l807 wire link to loptx earth
SONY BE4 KV14T1U
Dead Cracks in print around loptx
SONY BE-4 KV14T1U
Dead Loptr q802 s2055n s/c, r615 0.46r (121737100) o/c, ic601 strs5706 s/c
SONY BE-4 KV14T1U
Coloured lines on top Eeprom ic002 st24c02cb1 (875937032)
SONY BE4 KV14T1U
Dead - no led lit or flashing 0.47r resistor from the 300volts input to the chopper tx was o/c, replace strs5706 chopper chip, still dead - loptr s2055n leaky if loptx is grey, r806 1.5r with a 1.8r resistor part number 1-216-352-11.