Hitachi 32HDT50 Service Manual page 55

Numbers inside circle correspond to locations shown in the circuit diagram.
TPX51 (IX01 PIN 44)
25
TPW03 (IW01 PIN 84, after LPF)
28
I001 PIN 55
31
WAVEFORMS AT EACH SECTION
TPX54 (IX01 PIN 56)
26
TPZ23 (IW01 PIN 83, after chroma)
29
I001 PIN 59
32
55
PT3-E/G AVC3-U
TPX55 (IX01 PIN 58)
27
I001 PIN 54
30
I001 PIN 58
33