1-2. Electrical Alignment
2. When the APR-31 board is installed in the DSM-D1
n
When D/A converter IC (IC605) or its peripheral parts (RV600, RV601, IC601, IC602, IC606 to 608,
etc.) on the APR-31 board is replaced, this adjustment is required.
If the following equipment (or the equivalent) are not available, replace the APR-31 mounted curcuit
board itself.
Measuring Equipment
. SDTI Multiplexer, DSM-M1
. Analog Input Board, BKSM-T103
. Composite video signal generator (TSG-271)
. Waveform monitor/vector scope (1781R)
Connection
Composite video
signal generator
BLACK BURST
COLOR BARS
Waveform monitor/
DSM-M1DSM-D1
vector scope
(IN1 side)VIDEO INBKSM-
R103
BKSM-
VIDEO
T103REF IN
OUT
SDTI INASDTI OUT
75Z
BKSM-R1031-5 (E) |