Waveforms - Hitachi LC57 Service Manual

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.
1
I001 Pin 4 Main Sync
4 I401 Pin 56 Main Y OUT
7
I700 Pin 7 Bin1
10 I700 Pin 31 CLK OUT
TABLE OF CONTENTS
WAVEFORMS AT EACH SECTION
Click on number to go to schematic
2
I401 Pin 54 Main P
5
I700 Pin 12 Rin1
I700 Pin 24 VD OUT
8
11 P7A0/F0/K0 Pin 2 DY
3
OUT
R
6
9
12
120
LC57
I401 Pin 55 Main P OUT
B
I700 Pin 10 Gin1
I700 Pin 25 HD OUT
P7A0/F0/K0 Pin 5 LCCOM