1-6-2
TD300EA
1b. DC 117V (+B) Adjustment
(DC Power)
Purpose:
To obtain correct operation.
Symptom of Misadjustment:
The picture is dark and
unit does not operate correctly.
Note:
J109(+B), VR951 --- HV/DC Power Supply CBA
TP1303(GND) --- Main CBA
1. Input 13.2V DC to DC Jack.
2. Connect DC Volt Meter to J109(+B) and
TP1303(GND).
3. Adjust VR1951 so that the voltage of J109(+B)
b117
±
0.5V DC.
2. Black Stretch Control Adjustment
Purpose:
To show the fine black color.
Symptom of Misadjustment:
Black color will not
appear correctly.
Note:
Use service remote control unit.
1. Enter the Service mode. (See page 1-6-1)
2. Press [6] button on the service remote control unit.
"B-S" is indicated.
3. Press [CH
o
/
p
] buttons on the service remote con-
trol unit so that display will change "OFF," "0," "1," "2"
and "3." Then choose "B-S OFF."
4. Press [6] button on the service remote control unit.
"BS-2" is indicated.
5. Press [CH
o
/
p
] buttons on the service remote
control unit so that display will change "0," "1," "2"
and "3." Then choose "BS-2 0."
6. Turn the power off and on again, using the main
power button on the TV unit.
3-1. Setting for Data Values
General
1. Enter the Service mode. (See page 1-6-1)
2. To select the Data Value, press [VOL
p
] button on
the service remote control unit.
3. To set the following each data value, press [CH
o
/
p
] buttons on the service remote control unit.
7F --- set to FF
3-2. Setting for CONTRAST,
COLOR, TINT and V-TINT
data Values
General
1. Enter the Service mode. (See page 1-6-1)
2. Press [PICTURE" button on the service remote control
unit. Display changes "BRIGHT," "CONTRAST,"
"COLOR," "TINT," and "V-TINT" cyclically when [PIC-
TURE] button is pressed.
CONTRAST (CNT)
1. Press [PICTURE] button on the service remote con-
trol unit. Then select "CONTRAST" (CNT) display.
2. Press [CH
o
/
p
] buttons on the service remote
control unit so that the value of "CONTRAST"
(CNT) becomes 76.
COLOR (CLR)
1. Press [PICTURE] button on the service remote
control unit. Then select "COLOR" (CLR) display.
2. Press [CH
o
/
p
] buttons on the service remote
control unit so that the value of "COLOR" (CLR)
becomes 55.
TINT (TNT)
1. Press [PICTURE] button on the service remote
control unit. Then select "TINT" (TNT) display.
2. Press [CH
o
/
p
] buttons on the service remote
control unit so that the value of "TINT" (TNT) be-
comes 64.
V-TINT (V-TNT)
1. Press [PICTURE] button on the service remote
control unit. Then select "V-TINT" (V-TNT) display.
2. Press [CH
o
/
p
] buttons on the service remote
control unit so that the value of "V-TINT" (V-TNT)
becomes 57.
Note: BRIGHT
data value does not need to be adjust-
ed at this moment.
Test point
Adj. Point
Mode
Input
J109 (+B)
TP1303 (GND)
VR951
---
-----
Tape
M. EQ.
Spec.
---
DC Voltmeter
Plastic Tip Driver
+117
±
0.5V DC
