Hitachi 50VS69A Service Manual page 77

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.
Signal amplitude and DC level shown at
I001 Pin 44 DATA
12
I001 Pin 29 P B OUT 1
15
WAVEFORMS AT EACH SECTION
∆
I001 Pin 45 CLK
13
I001 Pin 28 Y OUT
16
SUB PWB
I001 AV SWITCH
click here to go to circuit diagram
and @ respectively.
76
I001 Pin 30 P R OUT 1
14
I001 Pin 32 SUB/Y/V OUT
17
LC67