Option Codes - Late Production Change
Late Production SSM Panels with HWBMS "ON"
A = USA Fighter, (1US1 Software)
B = USA Fighter +, (1US1 Software)
C = NAFTA Mexico, (1US1 Software)
D = Taiwan & Philippines, (3AP1 Software) - Korea, (3AP2 Software)
A B C D
HWBMS HARDWARE BLUE MUTE STREAK ON ON ON ON
OB1 CAN BE USED TO ADJUST OPTION BYTES AT ONCE 75 79 75 99
OB2 181 183 181 246
OB3 238 238 255 251
OB4 209 209 209 253
OB5
OB6-OB8 0 0 0 0
Gray Scale Alignment
Gray Scale alignment will be necessary after changing the SSB (Small Signal Board) or the CRTs.
Enter the Service Alignment Mode by entering 0-6-2-5-9-6-(Status or Index).
G2 Setup
Preferred Method
1. Connect a Black Level signal to the set.
2. Preset all G2 controls on the Focus/G2 Combo Block to minimum (fully CCW)
3. Connect an Oscilloscope to the Collector of each output transistor on the Green CRT board. Set the
probe to times 10.
4. Adjust the Green G2 control until the Black Level is at 200V.
5. Repeat steps 3 and 4 for the Red and Blue CRTs.
Alternate Method
1. Connect a Black Level signal to the set.
2. Preset all G2 controls on the Focus/G2 Combo Block to minimum (fully CCW).
3. Turn each G2 control clockwise until each CRT is barely illuminated.
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