Advertisement
4-5-2. Gamma Balance Adjustment
Equipment: Oscilloscope
Preparation
. Be sure to complete Section 4-5-1 "Settings of Input
Level".
Adjustment Procedures
1. MSU menu operation:
. PAINT button → ON (lit)
. Touch panel operation
→ (Page 2/3) → [Gamma]
T
. Set Master to 0.
2. Adjust levels for R-ch, G-ch and B-ch respectively
while turning on/off the GAMMA OFF button to drive
levels A and B into specifications.
Test Point
Adjustment Point
Turning on Gamma Turning off Gamma
R-ch TP17/extension board
1RV206/PR-200
G-ch TP11/extension board
1RV406/PR-200
B-ch TP5/extension board
1RV606/PR-200
Specifications: A = B = 700 ± 7 mVp-p
Gamma : ON
A
HDC-750A
http://getMANUAL.com
1RV204/PR-200
1RV404/PR-200
1RV604/PR-200
Gamma : OFF
B
4-6. IE-44 Board Adjustment
Preparations
. Setting for MSU-700
→ 0 dB
MASTER GAIN
→ OFF (dark)
BARS button
→ ON (lit)
TEST1 button
→ OFF (lit)
KNEE OFF button
GAMMA OFF button → ON (dark)
. Extend the IE-44 board.
→ Mechanical center
. 1RV406/IE-44
→ Mechanical center
. 1RV408/IE-44
→ Mechanical center
. 1RV409/IE-44
→ Fully clockwise 2
. 1RV407/IE-44
5
4
A
RV402
LV401
B
RV406
RV404
C
RV407
RV408
D
RV409
E
RV102
RV101
F
RV202
RV201
RV302
G
RV301
E1
IE-44 BOARD (A SIDE)
4-5. PR-200 Board Adjustment
4-6. IE-44 Board Adjustment
3
2
1
RV403
CN1
4-11 (E)
Advertisement
