TV Repair Tips



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Size Model Chassis Symptom Problem Description Fix
25F25432TX1 AD CTC203AD Video No video, no audio, has deflection and OSD. U12101
25F25432TX1 AD CTC203AD Video No video, has audio, CF12301 shorted CF12301
25F25432TX1 AD CTC203AD Video Dim video,cathode voltages high Remove solder splash on trace to U12101
25F25649 TX51 CTC203 System Control Won't turn on, Found loose connection at Q13301 Resolder Q13301
27F25649TX51 AA5 CTC203AA5 OSD No horizontal pulse going to pin 7 of J13103 Jumper open trace going from q13302 to pin 7 J13103
27F27318TX41 AA4 CTC203AA4 Video No picture, intermittent, CRT socket not making good connections Replace CRT socket
27F27442TX1 AD CTC203AD Horizontal Repeat failure of the horizontal output xfmr Resolder Cold solder connection at Y14101
27F27442TX1 AD CTC203AD Power Supply Pulses intermittently, Q14115 dips from 5V to 4.5V leaky CR14115
27F27615 CTC203AX Power Dead Q14101, Q14103, Q14102, check surrounding res/caps
27F27628TX41 AA4 CTC203AA4 System Control No Startup Remove, clean and reseat terminals on J13104
27F27648TX41 AA4 CTC203AA4 Audio Unit had good music or stereo but the voice was low. C11618
27F27648TX41 AA4 CTC203AA4 Horizontal Bad Picture, the cathodes on the CRT were running between 180-190 vdc, Remove solder splatter between JW14117 (in the hvr return circuit) and L14401
27F27649 CTC203 On Screen Display No OSD, crack on PCB between Q13301(c) to Q13302(b) Jumper trace
27F27649TX41 AA4 CTC203AA4 Power Supply Dead set, U14501 shorted to ground CR14701
27F27668TX51 AA9 CTC203AA9 Power Supply Buzzing from Power SupplyOne leg of R14104 soldered (shorted) to cathode of CR14101, remove short
27G27646YX1 AX CTC203AX Tuning System Snowy Channels C17113
27G27669YX1 AX CTC203AX Audio Dead, won't turn on shorted C11615
3131GT740YX3 CA2 CTC203CA2 Power Supply 12VRSWE supply is missing on J13103(13), Gemstar Jumper crack between JW12111 & JC13113
3231GT720YX3 CH3 CTC203CH3 Video No Video R12317
32F32649YX50 CA5 CTC203CA5 Video Blue too high Q12703, Q12704, R12724
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: Don't kill yourself.  If you do, don't blame us...  We totally warned you.  These tips are intended for qualified service technicians that know what they're doing.  Unqualified persons should never service their own equipment.  Televisions contain very high voltage that could kill you.