SAMSUNG TV Repair: Common Faults and Solutions.

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SAMSUNG Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem
SAMSUNG	CLV495	Does not turn on, fuse f601 ok	Check r602, r603, r604, d606, ic601, r606, c616, vr601, d607
SAMSUNG	CLV495	Does not turn on, fuse f601 open	Check d601-d604, c613, ic601
SAMSUNG	CLV495	Vertical line	Check c423, c424
SAMSUNG	CLV495	Horizontal line	Check ic301
SAMSUNG	CLV495	Bad image at top and bottom	Verificar c311, c322, c309, c310, c313
SAMSUNG	CLV495	Image scrolls up or down	Check c317, q306, q307, d305-d307
SAMSUNG	CLV495	Bad height	Check r308, r309, vr302, q303, ic301
SAMSUNG	CBQ4147	Horizontal output transistor burns out after replacement	Check q408. If ok, replace c422 and c418
SAMSUNG	CBQ4147	No image, high voltage ok, 0 v at g2	Change c117 or check sg101
SAMSUNG	CBQ4147	No width control	D407 (uf5404)
SAMSUNG	CBQ4147	Excessive width	D407 (uf5484)
SAMSUNG	CBQ4147	Red image with lines	Check r108r (r108g se green, r108b se blue).
SAMSUNG	CBQ4147	Power supply does not break	Disconnect pin 6 of ic102. if it breaks, replace ic102. If unsuccessful, check horizontal output transistor, d618, ic301, q602, r622. change ic601
SAMSUNG	CQA4147, -4143, -4153	Doesn't start. power supply whistles	Check op601, c609, d611, d610, c610, q601, ic602, d618, c626, d619, c644, c627, c630, d620, c629, d621, c631, ic603, q607, c640, d622, c632, d605, , c605
SAMSUNG	CQA4147, -4143, -4153	Inoperative, fuse fh601 ok	Check d614, c618, q603, d613, c618, r616, r617, ic601, q602, d607, d609, q602, op601
SAMSUNG	CQA4147, -4143, -4153	Fuse fh601 open	Verificar ptc601, d601-d604, c604, r603, q602, r622, c613, d608
SAMSUNG	CQA4147	Horizontal output transistor burns out after replacement	Change c418, check d406. if ok, replace t402
SAMSUNG	CQA4147	No vertical sync	Check d202 and d206
SAMSUNG	CQA4147	No horizontal synchronization	Check d201, d202. if ok, replace q205 or ic201
SAMSUNG	CQA4147	No contrast adjustment	Ic101 (lm1203)