Service manual CP-785AF
- 9 -
3-3 TV set Alignment
3-3-1.
Service
Remote
controller
for
Alignment
:
R-30SVC7
(S/N:48B380SV7)
3-3-2. G2 alignement
-
There
are
2
kinds
of
screen
voltage
adjustment
- Method 1 (Use the SVC Remote Controller)
; TV in RF mode without any signal (noise signal)
; Press "SVC" button of Service Remote Controller
; Press "NORMAL" button of SVC Remote controller to change normal-1 mode
; Preset with WP Red/Green/Blue equal to 28-34, Black Red/Green/Blue equal to 28~34
; Press "SCREEN" button of Service Remote controller
=>
Then you can hear the "BEEP" sound
; Adjust screen volume(FBT) when the "BEEP" sound disappeared
- Method 2 (Use the User Remote Controller)
; TV in AV mode without video signal => Black screen.
; TV preset with WP Red, WP Green and WP Blue equal to 32.
; TV preset with Black R, Black G equal to 8.
; Set TV in NORMAL I mode
; Adjust screen volume ( on FBT ) such that the highest cathod cut-off voltage measured on CRT
board, is Vcut off
±
5V.
Screen size
Vcut-off
21”
25”
140V
29”
140V
125V~130V
3-3-3. White balance
- Select a dark picture and adjust Black G and Black R to the desired colour temperature.
- Select a bright picture and adjust WP Red, WP Green, WP Blue to the desired colour temperature.
3-3-4. Focus
- Adjust the Focus volume ( on FBT ) to have the best resolution on screen.
3-3-5. Vertical geometry
- Adjust the Vertical Amplitude, Shift, S
-
Correction and Slope to compensate for vertical
distortion.
3-3-6. Horizontal picture centering
- Adjust H Shift to have the picture in the center of the screen.
Summary of Contents for DTE-21U6TH
Page 15: ...Service manual CP 785AF A 14...
Page 18: ...Service manual CP 785AF 17...
Page 30: ...Service manual CP 785AF 29 5 Circuit description 5 1 Block diagram...
Page 60: ...Service manual CP 785AF 59 7 Exploded view...
Page 61: ...Service manual CP 785AF 60 8 PCB Layout...
Page 62: ...S ervice manual CP 785AF 61 9 Circuit Diagram...
