Durabrand T6609BK, Service Manual

Page: 25 / 75

1-6-6 T6609EA
10. Sub-Brightness Adjustment
Purpose: To get proper brightness.
Symptom of Misadjustment: If Sub-Brightness is
incorrect, proper brightness cannot be obtained by
adjusting the Brightness Control.
Note: Bar (A) in Fig. 4 --- 0 IRE
1. Enter the Service mode. (See page 1-6-1.)
Then input SYMPTE signal from RF (or Ext.) input
and leave it for at least 20 minutes.
2. Press [MENU] button. (Each time [MENU] button
is pressed, display will change BRT, CNT, COL,
TNT, and SHP in that order.) Select BRT and
press [PROG+/PROG-] buttons so that the bar (A)
in Fig. 4 is just visible.
3. Turn the power off and on again.
11. Setting for CONTRAST, COLOR,
TINT and SHARP Data Values
General
1. Enter the Service mode. (See page 1-6-1.)
2. Press [MENU] button. (Each time [MENU] button
is pressed, display will change BRT, CNT, COL,
TNT, and SHP in that order.)
CONTRAST (CNT)
1. Press [MENU] button on the remote control unit.
Then select CNT display.
2. Press [PROG+/PROG-] buttons on the remote
control unit so that the value of “CONTRAST”
(CNT) becomes 83.
COLOR (COL)
1. Press [MENU] button on the remote control unit.
Then select “COLOR” (COL) display.
2. Press [PROG+/PROG-] buttons on the remote
control unit so that the value of “COLOR” (COL)
becomes 65.
TINT (TNT)
1. Press [MENU] button on the remote control unit.
Then select “TINT” (TNT) display.
2. Press [PROG+/PROG-] buttons on the remote
control unit so that the value of “TINT” (TNT)
becomes 68.
SHARP (SHP)
1. Press [MENU] button on the remote control unit.
Then select “SHARP” (SHP) display.
2. Press [PROG+/PROG-] buttons on the remote
control unit and select “1.”
Test Point Adj. Point Mode Input
Screen
[PROG+/PROG-]
buttons
RF
(or Ext.)
SYMPTE
Tape M. EQ. Spec.
---
Pattern
Generator
See below
Figure
Fig. 4
Black
White
This bar
(A) just
visible
A B C