TH-42PZ700, TH-42PZ77
Symptom: Unit shuts down with 10 blinks
Cause: Open fuse resistor inside transformer T201
Remedy:
1. Remove back plate from power supply
2. Take note of screws required to be removed as well as plastic clips holding the PCB to the plate
3. Remove T201- for location, refer to Fig.1 and Fig. 2
4. Measure continuity between the 2 pins as shown in Fig. 3
5. If the reading shows “OPEN” – replace transformer T201 with part number ETB50LZ16GAD
Measure continuity
between these two pins
Board PN: ETX2MM681MFS
Check point: T201
Replacement T201 PN: ETB50LZ16GAD