Hitachi 43FDX01B Service Manual page 23

Numbers inside circle correspond to locations shown in the circuit diagram.
PSD2 Pin 1
13
PSD3 Pin 6
16
PST1 Pin 1
19
PST1 Pin 6
22
WAVEFORMS AT EACH SECTION
PSD2 Pin 2
14
PSD3 Pin 8
17
PST1 Pin 2
20
PSU1 Pin 1
23
33
PSD3 Pin 4
15
PSD3 Pin 10
18
PST1 Pin 5
21
PSU1 Pin 2
24