A/D Gain Adjustment - Sony BVP-500 Maintenance Manual

5-10. A/D Gain Adjustment

Equipment
: Waveform monitor
Test Point : MONITOR connector
Preparations:
• Connect the waveform monitor to the MONITOR
connector.
• MASTER GAIN button/MSU operation panel → 0 dB
• KNEE OFF button/MSU operation panel → OFF (Lights)
• DETAIL OFF button/MSU operation panel
• GAMMA OFF button/MSU operation panel
• MSU menu operation (Touch panel)
PAINT button → ON
∆ → (Page 2/3) → WhiteClip → White Clip Off
(Reversed)
• S650 (MONITOR SELECT)/IF-538 panel → VF
• G button/rear panel → ON
Iris of the lens : CLOSE
Adjustment Procedures
1. Set the waveform monitor as follows.
• LUM mode
2. Adjust the master black.
Adjustment Point : MASTER BLACK control/
MSU operation panel
: A = 3 ±1 IRE (for NTSC)
Specifications
A = 21 ±7 mV (for PAL)
(Waveform Monitor)
3. Adjust the auto black balance.
BLACK button/MSU operation panel → ON (Lights)
4. TEST 2 button/MSU operation panel → ON (Lights)
5. Set the DISPLAY switch/rear panel to MENU while
pushing up the MENU SELECT switch to ENTER.
BVP-500
BVP-500P
6. Set the menu as follows and adjust the A/D gain for G
using the MENU SELECT knob/switch.
Adjustment Point:
MENU
PAGE
ITEM
Specifications: The levels A and B shall be equal
MENU
PAGE
→ OFF (Lights)
ITEM
→ ON (Stays out)
5-10. A/D Gain Adjustment
: System config
: PR/VA/TEST (S3)
: PR AD G [G]
when the color-bar signal is turned
on by setting the menu as follows.
: System config
: Y/Chroma (S2)
: CB → On
(For NTSC)
(For PAL)
5-13