Data travo flyback 154-177B and its equation

Pin functions:
1.  H (Colector)     2.  180V      3. B+110     4.  GND      5. 12V      6. 24V      7. 40V                          8. ABL       9. HT(Heater)      10. AFC
Equation : 154-064P   FCK-14B047   JF0501-1206   JF0501-91802   154-374A   6174Z-6238L
FCM20B058   FCM14047   FCM20B009   FCM14B009   6174V-6006D   6174Z-8003A
6174Z-8004R   FUY20B009

JVC image dark, normal OSD and sound

This TV comes with symptoms: a dark image but the OSD (On Screen Display) and Normal Voice. If you've had, this is exactly like the damage that often occurs in TV Sony Chassis BG-2S caused the ABL resistor open.
But despite its symptoms look the same, but the cause is completely different.

Initially we also thought that the damage must be on the ABL, but After measurements were taken both on the voltage and its supporting components reveals no problems in this area of ​​the ABL.