Sony TRINITRON BVM-14G1A Operation And Maintenance Manual page 84

5-3-3. H BLK Adjustment
Note: The H BLK adjustment menu is under the E BOARD
menu of the MAINTENANCE menu.
1. Connect the oscilloscope to the pin 8b of CN801 on the
E board.
• 16:9 NORMAL SCAN mode
1. Set the SCREEN MODE to 16:9 NORM at the INPUT
CONFIGURATION menu of the SETUP menu.
2. Adjust the H BLK data so that the H blanking pulse width
to the 11.5 ±0.3 µsec.
Write down the H BLK data.
• 16:9 UNDER SCAN mode
1. Set the SCREEN MODE to 16:9 UNDR at the INPUT
CONFIGURATION menu of the SETUP menu.
2. Set the H BLK data to the same value as the 16:9 NOR-
MAL SCAN mode.
• 4:3 NORMAL SCAN mode
1. Set the SCREEN MODE to 4:3 NORM at the INPUT
CONFIGURATION menu of the SETUP menu.
2. Adjust the H BLK data so that the H blanking pulse width
to the 8.0 ±0.2 µsec.
Write down the H BLK data.
• 4:3 UNDER SCAN mode
1. Set the SCREEN MODE to 4:3 UNDR at the INPUT
CONFIGURATION menu of the SETUP menu.
2. Set the H BLK data to the same value as the 4:3 NOR-
MAL SCAN mode.
5-3-4. H Blanking Adjustment
Refer to "3. SET-UP Adjustment (3-4. H Blanking Adjust-
ment)" (Page 3-3).
5-3-5. V Blanking Adjustment
Refer to "3. SET-UP Adjustment (3-5. V Blanking Adjust-
ment)" (Page 3-5).
5-3-6. Linearity Adjustment
Refer to "3. SET-UP Adjustment (3-6. Linearity Adjustment)"
(Page 3-6).
5-12
5-3-7. Convergence Adjustment Preparation
Refer to "3. SET-UP Adjustment (3-2. Focus Adjustment),
(3-3. Landing Adjustment), (3-4. H Blanking Adjustment)"
(Page 3-2 and 3-3).
5-3-8. Static Convergence Adjustment
• Horizontal Static Convergence
Adjust H STATIC CONV data so that red and green dots
match in the horizontal direction at the center of the screen.
Note: H STATIC CONV adjustment menu is under E
BOARD menu of MAINTENANCE menu.
(See Fig. 1-14)
• Vertical Static Convergence
Adjust V STATIC CONV data so that red and green dots
match in the horizontal direction at the center of the screen.
Note: V STATIC CONV adjustment menu is under E
BOARD menu of MAINTENANCE menu.
(See Fig. 1-14)
5-3-9. Convergence Adjustment 20-Inch
Model
• Preparation
Refer to "3. SET-UP Adjustment (3-7-2. 20-Inch Model
Convergence Adjustment)" (Page 3-9).
• Vertical convergence adjustment
Adjust V STATIC BOTTOM data and V STATIC TOP data
so that a vertical mis-convergence is minimized at the top
and bottom areas of the screen.
Note: V STATIC BOTTOM data and V STATIC TOP data
adjustment menu is under E BOARD menu of
MAINTENANCE menu. (See Fig. 1-20)
• Horizontal convergence adjustment
Refer to "3. SET-UP Adjustment (3-7-2. 20-Inch Model
Convergence Adjustment)" (Page 3-9).
• 4:3 UNDER SCAN mode convergence adjustment
Refer to "3. SET-UP Adjustment (3-7-2. 20-Inch Model
Convergence Adjustment)" (Page 3-9).
• 16:9 NORMAL SCAN mode convergence adjustment
Refer to "3. SET-UP Adjustment (3-7-2. 20-Inch Model
Convergence Adjustment)" (Page 3-9).
• 16:9 UNDER SCAN mode convergence adjustment
Refer to "3. SET-UP Adjustment (3-7-2. 20-Inch Model
Convergence Adjustment)" (Page 3-9).