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TV Repair Tips

ZENITH

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Size Model Chassis Symptom Problem Description Fix
13A13P02D  Dead Dead, No Relay Click D802 (1N4148), R416 (2.2ohm/1W)
13TVBR1302Z ComboDead Dead IC502 (AN7605p), C515 (10uF/100V)
25B25A11Z VideoNo colorICX2200 (TA1268N)
25MWM2553Y  Video Smeared Video Smeared including OSD Q5104 on CRT board
25SY25687 9-1407 Dead Won't start R3499 (surface mount 100Ohm)
25Z25A11S 9-1790 Dark Picture Picture is washed out, and CRT Zenith CRT A68AGD01X tests bad cutof on blue color using Sencore CR-70; Replace CRT
27J0920X HotelSqueal High Pitch Squeal even with audio muted C1462 (47uF/25V)
27SG2767 BD9-986 Audio No Audio Q801 (121-975A)
27SM27899-1268PowerDeadCR3409
27SS2712VK Audiono soundQ801
46PVY4665DT  Vertical 3 bowed horizontal lines R3243, R3244
50A50M91W  Video No Pic, Sound OK Flyback (#95-4134-19), QX3200 (HOT,2SD1880), QX3402 (K790,FET Regulator ECG2394), CRX3412 (ECG580)
50A50M91W1 Convergenceafter 15 minutes, the convergences is no goodR3243 (110kohm/.5W), R3244 (82kohm/.5W)
52D52WLCDLCDPowerDead, or intermittently won't startReplace power supply or troubleshoot capacitors
  9-1130PowerNo pic or audioIC6300
  9-1269Videono video, turning up G2 reveals vert collapseQX3404 (#121-1102)
  9-1269VideoNo vertical deflectionIC2100 (#LA7838), R3245, CX2110 (100uF/35V)
  9-1270VideoHorizontal Deflection intermittentResolder LX3202 (back right corner of deflection board)
  9-1270Videono HV, but has audioQX3403 (#121-1301)
  9-1270Powershuts down intermittently after replacing flyback (#95-4134-09)Change CRX3204 from 9.1V Zener to 12V Zener
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Warning

: 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.