Precaution; Setting The Switch; Order Of Adjustments; Subjects - Sony DCR-TRV890E Service Manual

1-1-3.

Precaution

1. Setting the Switch

Unless otherwise specified, set the switches as follows and perform
adjustments without loading cassette.
1. POWER switch (FK-4880 block) .......................... CAMERA
2. DEMO MODE (Menu display) ....................................... OFF
3. DIGITAL ZOOM (Menu display) ................................... OFF
4. STEADY SHOT (Menu display) ..................................... OFF
5. DISPLAY (Menu display) ................................. V-OUT/LCD
6. DISPLAY (CK-80 board) ................................................. ON
7. AUTO LOCK (CK-80 board) ...................................... AUTO
8. ND FILTER ...................................................................... OFF

2. Order of Adjustments

Basically carry out adjustments in the order given.
Color bar chart standard picture frame
H
A B
A=B
Fig. a
(Video output terminal
output waveform)

3. Subjects

1) Color bar chart (Standard picture frame).
When performing adjustments using the color bar chart, adjust
the picture frame as shown in Fig. 5-1-4. (Standard picture
frame)
2) Clear chart (Standard picture frame)
Remove the color bar chart from the pattern box and insert a
clear chart in its place. (Do not perform zoom operations during
this time.)
3) Flange back adjustment chart
Make the chart shown in Fig. 5-1-5 using A0 size (1189 mm ×
841 mm) black and white vellum paper.
0 ± 0.1msec
V
B A
Enlargement
Difference in level
A
B
Fig. 5-1-4
9. FOCUS switch (FP-21) ......................................... MANUAL
10. BACK LIGHT (ED-48 board) ......................................... OFF
11. PICTURE EFFECT (CK-80 board) ................................. OFF
12. DIGITAL EFFECT (CK-80 board) .................................. OFF
13. 16 : 9 WIDE (Menu display) ............................................ OFF
14. AUTO SHUTTER (Menu display) .................................. OFF
15. PROG.SCAN (Menu display) .......................................... OFF
Fig. b (TV monitor picture)
Adjust the camera zoom and direction to
obtain the output waveform shown in Fig. a
and the TV monitor display shown in Fig. b.
Black
Note: Use matte vellum paper bigger than A0, and make sure the edges of
the black and white paper joined together are not rough.
5-4
Electronic beam scanning frame
CRT picture frame
White
841mm
1189mm
Fig. 5-1-5