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JVC LT-42X579 No Video No Audio    
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Chester



Joined: 22 Mar 2010
Posts: 2

PostPosted: Thu Mar 31, 2011 4:27 am    Post subject: JVC LT-42X579 No Video No Audio Reply with quote

I have a JVC LCD TV 42”
Model Number: LT-42X579
Manufactured: June, 2008

1. When you turn ON Power Blue LED comes ON for 16 seconds and then keeps Blinking for 3 seconds rapidly.

2. When you turn Off Power Blue LED do not go OFF.

3. No Video no Audio.

4. Lamp Off Power LED Blue color.

Parts Tested:
C9211 = 470uF 35V = 481uF = + 11uF, ESR = .07
C9555 = 1200uF 35V = 1222uF = + 22uF, ESR = .07
C9552 = 1200uF 35V = 1210uF = + 10uF, ESR = .04
C9554 = 1200uF 35V = 1210uF = + 10uF, ESR = .04
C9551 = 1200uF 35V = 1207uF = + 7uF, ESR = .04
C9560 = 470uF 35V = 474uF = + 4uF, ESR = .07
C9753 = 680uF 25V = 685uF = + 5uF, ESR = .07
C9751 = 330uF 35V = 316uF = - 14uF, ESR = .08
C9204 = 33uF 250V = 29uF = - 4uF, ESR = .48
C9513 = 100uF 50V = 103uF = + 3uF, ESR = .37
C9510 = 100uF 50V = 106uF = + 6uF, ESR = .35
C9212 = 330uF 10V = 326uF = - 4uF, ESR = .55
C9010 = 1000uF 200V = 910uF = - 90uF, ESR = .08
C9011 = 1000uF 200V = 900uF = - 100uF, ESR = .08
C9206 = 1uF 50V = 1uF, ESR = 2.5
C9506 = 100uF 16V = 97uF = - 3uF, ESR = 1.2
Two Speakers, D9001, D9551, D9552, D9553, D9212, D9213, D9214, R9531, R9532, R9001, R9209, R9524, R9501, L9751, L9552, Q9509, PC9501, PC9202, C9507, D9519, D9515, D9520, D9503, Q9506, Q9507, Q9508, D9516, D9752, D9514, R9510, R9511, R9514, R9515, R9516, R9517, R9518, R9519, R9529, R9530, R9520, R9523, R9533, R9534, R9535, R9536, R9537, R9502, D9501, D9502, R9503, Q9501, D9517, R9504, L9201, L9753, R9505, D9505, Q9502, Q9503, R9507, D9507, R9506, D9506, D9508, D9509, D9510, D9511, D9512, D9513, R9509, Q9504, Q9505, R9554, R9555, R9556, R9557, R9558, R9559, K9751, R9751, R9753, R9754, CP9201, CP9501,Y9753,K9501, D9215, D9216, R9206, R9207, R9208, D9204, R9210, R9212, R9213, R9214, R9215, R9217, D9205, VA9001, D9002, D9003, Q9001, Q9002, R9002, R9003, R9004, R9005, R9032, R9034, C9501, C9013, C9014, C9005, C9531, C9532, K9552, K9553, K9554 K9555, K9556, K9557, TH9001

Ring Test:
T9501 Pin 1 & 3, 4 = 8 Rings, 1 & 5 = 8 Rings, 1 & 6 = 2 Rings Pin 6 Disconnect, 1 & 7 = 5 Rings, 1 & 8 = 5 Rings

T9201 Pin 1 & 2 = 2 Rings Pin 2 Disconnect, 1 & 3 = 8 Rings, 1 & 5 = 7 Rings, 1 & 6 = 5 Rings, 1 & 7 = 0 Rings

L9752 = 5 Rings

LF9001 = 8 Rings both sides

LF9002 = 8 Rings both sides

LF9003 = 8 Rings both sides

Voltage Test Power ON:
C9010 = 164V, C9011 = 164V, C9551 = 0.282V, C9552= 0.282V, C9554 = 0.282V, C9555 = 0.282V, C9560 = 0.282V, C9204 = 162V, C9211 = 6.034V, C9212 = 6.031V, C9206 = 18V, C9753 = 0.000V, C9751 = 0.285V, C9513 = 1.301V, C9506 = 0.660V, C9510 = 15V Int, D9001= 328V

IC9751 Pin 1 = V0.283V, 2 = 0.000V, 3 = 0V, 4= 0.000V, 5 = 0.036V

Q9509 S= 0.846V, D = 1.428V, G = 1.406V

PC9501 Pin 1 A = 0.285V, 2 CA = 0.285V, 3 E = 0V, 4 C = 4.7V Int

IC9551 Pin 1 = 0.029V, 2 = -0.02V, 3 = 0.280V

IC9501 Pin 5 = 0.000V G.H, 7 = 0.000V G.H, 8 = 0.000V G.H, 10 = 15V Int, 11= 4.9V Int, 12= 0.016V Int, 13= 4.7V Int, 14 = 1.0V Int, 15 = 0.000V, 19 = 327V, 20 = 328V, 23 = 327V

IC9201 MIP2F2 Pins 8
M.826
-


IC9501 MP2A5038 Pins 23
84059
-
Description
M-POWER 2A


IC9751 PQ1CG203 Pins 5
SHARP
12H W2
Description
Chopper Regulator


LCA90796-
POWER PB ASS’Y

SFN-9066A
18619
58B-0019

1. Resoldered POWER PB ASS’Y

I will like to know what is the problem with the TV.

I would like to thank you in advance for your immediate assistance in this urgent matter. Should you have any further questions please contact me.


Yours sincerely,

Chester
Google

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