Electrical Adjustments - Sony DPP-MS300E Service Manual

During the adjustment, see the Adjustment and Adjust-
ment Pats on page 4-7.
Pre-Adjustment Preparations
1. Equipment required
Electrical adjustment requires the following measuring equip-
ment.
(1) Monitor TV
(2) Oscilloscope: 2 phenomena, bend 30 MHz or more, with de-
lay mode (use 10 : 1 probe unless otherwise specified)
(3) Frequency counter
(4) Pattern generator
(5) Digital voltmeter
(6) Video print paper
(7) Video print cartridge
(8) Vector scope
If S-VIDEO is designated
• If pattern generator does not provide Y/C separate
output terminals
Pattern Generator
VIDEO OUT
(75 Ω )
• If pattern generator provide
Y/C separate output terminals
Pattern Generator
Y OUT (75 Ω )
Chroma OUT
(75 Ω )
SECTION 4

ELECTRICAL ADJUSTMENTS

VTR with S-VIDEO terminal (E-E mode)
VIDEO IN S-VIDEO OUT
Fig. 4-1
2. Connection of Equipment
Following the designation of input terminal (S-VIDEO or VIDEO),
connect measuring units as shown in Fig. 4-1 and make adjust-
ment.
The input terminal is designated with (
Unless otherwise designated, either input terminal may be used.
Note: In the adjustment where the S-VIDEO input is designated, if ad-
justment was made with the VIDEO input. The specification of
this set will not be satisfied. Always follow the designation.
If adjustment was made using the VTR with S-VIDEO OUT termi-
nal as a signal source, the performance of this set depends on that
VTR. Therefore, use the pattern generator with the Y/C separate
output terminals, if possible.
If VIDEO is designated
VIDEO VIDEO IN
S-VIDEO
OUT
4-1
) in the signal column.
Pattern Generator
VIDEO OUT
(75 Ω )
Set
Monitor TV
IN