Prompter 1/2 Level Adjustment - Sony HDCU2500 Maintenance Manual

Preparation
Extend the AT-167A board using an extended board.
Adjustment Procedure
Test Point: TP714 (H-1)/AT-167A board
Adjusting Point: RV702 (G-1)/AT-167A board
Specification: C = 1.60 ±0.04 Vdc
A
A= B
B
A B C D
1
2
3
4
5
AT-167A board (Side A )
5-3-3.

Prompter 1/2 Level Adjustment

Measuring equipment
• SD waveform monitor
• SD signal generator
Preparation
• Extend the DTX-9 board using an extended board.
• Connect the SD signal generator to the PROMPTER IN connector.
NTSC: SMPTE color bar
PAL: EBU color bar
HDCU2500
C
GND
E F G H
RV702
TP714
J
5-8