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B32PHF5021T3S Service Manual
TABLE OF CONTENTS
PAGE
1. PRECAUTION AND NOTICES ------------------------------------------------------------------------------------- 1
1.1. SAFETY PRECAUTIONS ---------------------------------------------------------------------------------------- 1
1.2. PRODUCT SAFETY NOTICE ----------------------------------------------------------------------------------- 1
1.3. SERVICE NOTES -------------------------------------------------------------------------------------------------- 1

2. SERVICE TOOL & EQUIPMENT REQUIRED ---------------------------------------------------------------- 2

3. SPECIFICATIONS ----------------------------------------------------------------------------------------------------- 2~3
3.1. Diagram------------------------------------------------------------------------------------------------------------- 2
3.2. PRODUCT SPECIFICATIONS ---------------------------------------------------------------------------------- 3
3.3. Function of Board ------------------------------------------------------------------------------------------------- 3
3.4. Part apt to decrease ----------------------------------------------------------------------------------------------- 3

4. EXPLODED VIEW AND PARTS LIST --------------------------------------------------------------------------- 4
4.1. EXPLODED VIEW ------------------------------------------------------------------------------------------------ 4

5. BLOCK DIAGRAM ---------------------------------------------------------------------------------------------------- 5

6. Main Board Service Chart -------------------------------------------------------------------------------------------- 6~10
6.1 Main Board and connector definition ------------------------------------------------------------------------- 6
6.2 Main Board --------------------------------------------------------------------------------------------------------- 6~7
6.3 Main Board interface definition -------------------------------------------------------------------------------- 8~10

7. SCHEMATIC DIAGRAM -------------------------------------------------------------------------------------------- 11~22

8. PCB LAYOUT ----------------------------------------------------------------------------------------------------------- 23~24

9. TROUBLE SHOOTING FLOW CHART ------------------------------------------------------------------------- 25~39

11/13/2015
B32PHF5021T3S Service Manual
1. PRECAUTION AND NOTICES

1.1. SAFETY PRECAUTIONS

This TV is manufactured and tested on a ground principle that a user's safety comes
first.However, improper use or installation may cause damage to the TV as well as to
the user.Carefully go over the following WARNINGS before installing and keep this guide
handy .

WARNINGS:

This TV should be operated only at the correct power sources indicated on the label on the
rear end of the TV. If you're unsure of the power supply in your residence, consult your
local dealer or power company.
Use only the special power adapter that comes with this TV for power input.
Do not try to repair the TV your self as it contains no user-serviceable parts. This
TV should only be repaired by a qualified technician.
Do not remove the TV cabinet. There is high-voltage parts inside that may cause electric
shock to human bodies, even when the power cord is unplugged.
Stop using the TV if the cabinet is damaged. Have it checked by a service technacian.
Put your TV only in a clean, dry environment. If it gets wet, unplug the power cable
immediately and consult your service technician.
Always unplug the TV before cleaning it. Clean the cabinet with a clean, dry cloth.
Apply non-ammonia based cleaner onto the cloth, not directly onto the glass screen.
Keep the TV away from magnetic objects, motors, and transformer.
Do not place heavy objects on the TV or power cord.

1.2. PRODUCT SAFETY NOTICE

Many electrical and mechanical parts in this chassis have special safety visual inspections
and theprotection afforded by them cannot necessarily be obtained by using replacement
components rated for higher voltages, wattage, etc. Before replacing any of these
components read the parts list in this manual carefully. The use of substitute replacement
parts which do not have the same safety characteristics as specified in the parts list may
create shock, fire, or other hazards.

1.3. SERVICE NOTES

1. When replacing parts or circuit boards, clamp the lead wires around terminals beforesoldering.
2. Keep wires away from high voltage, high temperature components and sharp edges.
3. Keep wires in their original position so as to reduce interference.
4. Usage of this product please refer to also user's manual.

-1- 11/13/2015
B32PHF5021T3S Service Manual
2. SERVICE TOOL & EQUIPMENT REQUIRED
1. SIGNAL GEN.
2. MULTIMETER
3. OSCILLOSCOPE
4. SCREW DRIVER
5. IRON
6. ABSORBER
7. SOLDER

3. SPECIFICATIONS

3.1. Diagram

-2- 11/13/2015
B32PHF5021T3S Service Manual

3.2. PRODUCT SPECIFICATIONS

Panel BOEI320WX1

Displayable Resolution HD 1360*768

Pixel Pitch 0.17025(H)