8-2
LC4P_SC
LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON
THE FOLLOWING PAGES:
1. CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE
FUSE.
2. CAUTION:
Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F601) is blown, first check to see that all components in the power supply circuit are not
defective before you connect the AC plug to the AC power supply. Otherwise it may cause some components
in the power supply circuit to fail.
3. Note:
1. Do not use the part number shown on the drawings for ordering. The correct part number is shown in the
parts list, and may be slightly different or amended since the drawings were prepared.
2. To maintain original function and reliability of repaired units, use only original replacement parts which are
listed with their part numbers in the parts list section of the service manual.
4. Voltage indications on the schematics are as shown below:
Plug the TV power cord into a standard AC outlet.:
5. How to read converged lines
6. Test Point Information
2
3
1
5.0
5.0
Voltage
Indicates that the voltage
is not consistent here.
Power on mode
(Unit: Volt)
3
2
1
A
B
C
D
1-B1
1-D3
AREA D3
AREA B1
1-D3
Distinction
Area
Line Number
(1 to 3 digits)
Examples:
1. "1-D3" means that line number "1" goes to the line number
"1" of the area "D3".
2. "1-B1" means that line number "1" goes to the line number
"1" of the area "B1".
: Indicates a test point with a jumper wire across a hole in the PCB.
: Used to indicate a test point with a component lead on foil side.
: Used to indicate a test point with no test pin.
: Used to indicate a test point with a test pin.
Summary of Contents for LT5-S20BB
Page 1: ...SERVICE MANUAL 20 COLOR LCD TELEVISION LT5 S20BB...
Page 13: ...4 2 A7343DC 3 Rear Cabinet 1 Arm Assembly S 3 S 4 S 3 S 1 S 2 S 3 S 3 2 Stand Cover S 3 Fig D1...
Page 31: ...8 5 A7344SCM3 Main 3 4 Schematic Diagram...
Page 33: ...8 7 Function Schematic Diagram A7344SCF...
Page 34: ...8 8 A7344SCL1 LCD Main 1 2 Schematic Diagram...
Page 35: ...8 9 A7344SCL2 LCD Main 2 2 Schematic Diagram...
Page 56: ...LT5 S20BB A7344EP 2007 12 20...