5-1
L0305EA
ELECTRICAL ADJUSTMENT INSTRUCTIONS
General Note:
"CBA" is abbreviation for "Circuit Board Assem-
bly."
NOTE:
Electrical adjustments are required after replacing
circuit components and certain mechanical parts. It is
important to perform these adjustments only after all
repairs and replacements have been completed.
Also, do not attempt these adjustments unless the
proper equipment is available.
Test Equipment Required
1. DC Voltmeter
2. NTSC Pattern Generator (Color Bar W/White
Window, Red Color, Dot Pattern, Gray Scale,
Monoscope, Multi-Burst)
3. Remote control unit: Part No. N0105UD or N0127UD
4. Color Analyzer
How to make Service remote control unit:
1. Prepare normal remote control unit. (Part No.
N0105UD or N0127UD) Remove 3 Screws from the
back lid. (Fig. 1-1)
2. Add J1 (Jumper Wire) to the remote control CBA.
(Fig. 1-2)
How to set up the service mode:
Service mode:
1.
Use the service remote control unit.
2.
Turn the power on. (Use main power on the TV unit.)
3. Press "SLEEP" button on the service remote control
unit. Version of micro computer will be displayed on
the LCD or display. (Ex: 0004FP-0.47)
1. Initial Setting
General
Enter the Service mode.
Set the each initial data as shown on tabel 1 below.
Table 1: Initial Data
SCREWS
REMOTE CONTROL UNIT
Fig. 1-1
J 1
Fig. 1-2
REMOTE CONTROL CBA
ITEM
BUTTON
(on the service
remote control)
DATA
VALUE
BRT
MENU
→
1
147
CNT
197
CLR-R
60
CLR-B
60
TNT
60
V-TNT
64
SHR
35
S-BRT
MENU
→
2
147
S-CNT
197
S-CLR-R
64
S-CLR-B
64
S-TNT
64
S-SHR
35
C-BRT
MENU
→
3
147
C-CNT
197
C-CLR-R
64
C-CLR-B
64
C-TNT
64
C-SHR
35
D2-BRT
MENU
→
5
147
D2-CNT
197
D2-CLR-R
64
D2-CLR-B
64
D2-TNT
64
D2-SHR
35
D3-BRT
MENU
→
6
147
D3-CNT
197
D3-CLR-R
64
D3-CLR-B
64
D3-TNT
64
D3-SHR
35
Summary of Contents for F20LCTE
Page 1: ...20 COLOR LCD TELEVISION F20LCTE SERVICE MANUAL...
Page 13: ...4 2 L0305DC S 1 S 1 S 1 S 1 S 1 S 1 S 2 1 Rear Cabinet Fig D1...
Page 32: ...A1 A2 B1 B2 C1 C2 Function Schematic Diagram L0305SCF 7 13 7 14...
Page 33: ...A1 A2 B1 B2 C1 C2 7 15 7 16 L0305SCIR IR Sensor Schematic Diagram...
Page 57: ...F20LCTE L0305UF 2004 09 21...