Hitachi LC57 Service Manual page 121

Numbers inside circle correspond to locations shown in the circuit diagram. Waveforms taken
using a Color Bar signal with H sync 31 khz and V. sync 60 hz and a X10 probe.
13
P7A0 Pin 7-18 RVID1-12
16 P7A0/F0/K0 Pin 20 DX
19
P7A0/F0/K0 Pin 29 NRG
22 I901 Pin 7,8 STBY SWITCHED OUT
WAVEFORMS AT EACH SECTION
Click on number to go to schematic
14
P7F0 Pin 7-18 GVID1-12
17
P7A0/F0/K0 Pin 22 CLX
20
P7A0/F0/K0 Pin 34 CLY
23 I902 Pin 3,4 DL + OUT
15
18
21
24 I902 Pin 1 DL- OUT
IMPORTANT NOTE: FOR HOT AREA USE AC CORD WITH FLOATING GROUND
121
LC57
P7K0 Pin 7-18 BVID1-12
P7A0/F0/K0 Pin 25-28 ENBX1-4
I001 Pin 46-48 ALARM 0-2