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Wednesday, November 26, 2014

Sony KV-G14 Repair Tips 3

IC601 (STR-S6707) Overheats or Blows off


IC601 (STR-S6707) & its mica insulation, C627 (680pf/2KV), C1633 (1000pF), C632 (470pF), C631 (4700pF), C604 (220MFD/400V), D601 (RBV-406H), D611-D610-D609-D607 (4 x D1NL20), C624 (1000MFD), C634 (470pf), R623 (100Ω), R625 (3K9), C623 (220MFD), C628 (470pF), IC603 (PC123F2) & related parts, IC602 (SE115N) & related parts, SRT T601, C630 (470pF), R616 (8M2), check other parts of power supply, check horizontal out-put section.

Thursday, November 20, 2014

Sony KV-G14 Repair Tips 2

Set Dead,No output from power supply.


Mains wire, F601 (3.15A), On-off switch S601, Line filter T605, R601, R602 (1.8Ω ),  D601 (RDV-406H), C604 (220MFD/400V), R622 (0.33Ω/2W), R611 (0.1Ω), R617, R610, R636 (15K/3W), D 610 (D1NL20), C624 (1000MFD), R624 (18Ω), D607 (D1NL20), C623 (220MFD), IC601 (STR-6707) & related parts, T601 (SRT), check secondary side of T601, IC602 (SE115N) & related parts, IC603 (PC123F2) & related parts.

Saturday, November 15, 2014

Sony KV-G14 Repair Tips 1

Set Dead, AC Fuse F601 (3.15A) Blows off

Main wire, on-off switch S601, C621(0.1MFD), line filter T605, PTC601, deg coil, C602(0.0047MFD), C605-C607-C603(4*4700pF), D601(R6707) & related parts.

Thursday, October 2, 2014

Wednesday, August 13, 2014

No Video,no raster,sound and display ok

Samsung CS-14 4s system ic number szm-173ev









Check: D204,D208,R420

Tuesday, July 22, 2014

Rowestar HK2172SS Low width

Rowestar HK2172SS Low width









Solution: Check the, R467, C467, L453, VD452, C457, L452, C456, york coil.

Thursday, July 17, 2014

LG 21SA1RL-T8E No video, No Raster, Sound ok ,menu and volume display on the screen

Fault:No video,No Raster, sound ok. But when press button "menu","volume", "ch"  display on the screen 
Ic No: TDA12011PQ/N1F00
Model No:LG 21SA1RL-T8E
Chassi No: CW62E









Solution: Check these parts: R408, R415, R416, R417, R534, R547, R548, C530, C571, C572, D502, Q502