Hitachi 32HDT50 Service Manual page 54

Numbers inside circle correspond to locations shown in the circuit diagram.
TP301 (PS0FP PIN 24)
13
TP304 (P50FP PIN 20)
16
TP307 (P50FP PIN 16)
19
TP310 (P50FP PIN 12)
22
WAVEFORMS AT EACH SECTION
TP302 (P50FP PIN 23)
14
TP305(P50FP PIN 19)
17
TP308 (P50FP PIN 15)
20
U102 PIN 18
23
54
PT3-E/G AVC3-U
TP303 (P50FP PIN 22)
15
TP306 (P50FP PIN 17)
18
TP309 (P50FP PIN 13)
21
U101 PIN 18
24