SERVICE SAFETY PRECAUTIONS.................................................................................................................................... 3
HANDLING THE LCD MODULE .......................................................................................................................................... 5
SERVICE MODE.................................................................................................................................................................. 7
TROUBLESHOOTING DIAGNOSIS FUNCTION ................................................................................................................ 8
LOCATION OF CONTROLS ..............................................................................................................................................10
LAYOUT OF MAJOR BOARDS ......................................................................................................................................... 12
SPECIFICATIONS.......................................................................................................................................................... END
APPENDIX:
SCHEMATIC DIAGRAM
– 2 –
SERVICE SAFETY PRECAUTIONS
• The caution items shown here describe major safety issues and should always be observed.
• The meanings of the various indications are as follows.
WARNING
CAUTION
*Physical damage means major damage to a home, furnishings and other possessions.
Examples of marks
SHOCK HAZARD
PROHIBIT DISASSEM-
BLING
UNPLUG
Indicates a hypothetical situation in which service personnel and nearby third parties, or even
end users due to a product defect after the service operation is completed, could possibly be in
danger of injury or even death in the event of operational error.
Indicates a hypothetical situation in which service personnel and nearby third parties, or even
end users after the service operation is completed, could possibly be in danger of injury, or
where there could be physical damage in the event of operational error.
The " indicates caution (including danger and warning).
The actual meaning of this caution is indicated inside the " or nearby illustrations or text.
The example shown to the left indicates the danger of "electrical shock".
indicates a forbidden action.
The
The actual meaning of this caution is indicated inside the or nearby illustrations or text.
The example shown to the left indicates that disassembly is forbidden.
The - indicates a forced action (an action that must be performed).
The actual meaning of this forced action is indicated by - or nearby illustrations or text.
The example shown to the left indicates that the power plug must be disconnected.
– 3 –
KEEP CHILDREN
AWAY
UNPULUG
SHOCK HAZARD
USE SPECIFIED
PARTS
CAUTION FOR
WIRING
CAUTION FOR
ASSEMBLING /
WIRING
WARNING
• Always advise users to keep children away.
There is danger of injury to children from tools, disassembled products, etc.
• Always disconnect the power plug before starting work whenever power is not required.
Failure to disconnect the power plug before starting work can result in electrical shock.
• Depending on the model, use an insulation transformer or wear gloves when servicing with the
power on, and disconnect the power plug to avoid electrical shock when replacing parts.
In some cases, alternating current is also impressed in the chassis, so electrical shock is possible if the chassis is contacted with the power on.
• Always use the replacement parts specified for the particular model when making repairs.
The parts used in products have the necessary safety characteristics such as inflammability,
voltage resistance, etc.; therefore, use only replacement parts that have these same characteristics.
Use only the specified parts when the mark is included in a circuit diagram or parts list.
• Parts mounting and routing of the wiring should be the same as that used originally.
For safety purposes, insulating materials such as tubing or tape is sometimes used and printed
circuit boards are sometimes mounted floating.
Also make sure that wiring is routed and clamped to avoid parts that generate heat and which
use high voltage. Always follow the original scheme.
• After a repair has been completed, reassemble all disassembled parts, and route and reconnect the wiring, in accordance with the original scheme.
Do not allow internal wiring to be pinched by cabinets, panels, etc.
Any error in reassembly or wiring can result in electrical leakage, flame, etc., and may be
hazardous.
CHECK INSULATION
RESISTANCE
PROHIBIT
REMODELING
• After completing the work, disconnect the power plug from the outlet, remove the antenna, turn
on the power switch. Then, use a 500V insulation resistance meter to check the insulation
resistance of the antenna terminal, other metallic parts and between the prongs of the power
plug to make sure that the insulation resistance is 1M Ω or more.
The set will require inspection and repair if the insulation resistance is below this value.
• Never remodel the product in any way.
Remodeling can result in improper operation, malfunction, or electrical leakage and flame,
which may be hazardous
– 4 –
HANDLING THE LCD MODULE
Safety Precautions
In the event that the screen is damaged or the liquid crystal
(fluid) leaks, do not breathe in or drink this fluid. Also, never
touch this fluid.
Such actions could cause toxicity or skin irritation. If this fluid
should enter the mouth, rinse the mouth thoroughly with water. If the fluid should contact the skin or clothing, wipe off
with alcohol, etc., and rinse thoroughly with water. If the fluid
should enter the eyes, immediately rinse the eyes thoroughly
with running water.
Precautions for Handling the LCD Module
The LCD module can easily be damaged during disassembly
or reassembly; therefore, always observe the following precautions when handling the module.
1. When attaching the LCD module to the LCD cover, position it appropriately and fasten at the position where the
display can be viewed most conveniently.
3. If the panel surface becomes soiled, wipe with cotton or a
soft cloth. If this does not remove the soiling, breathe on
the surface and then wipe again.
If the panel surface is extremely solied, use a CRT cleaner
as a cleaner. Wipe off the panel surface by drop the cleaner
on the cloth. Do not drop the cleaner on the panel. Pay
attention not to scratch the panel surface.
4. Leaving water or other fluids on the panel screen for an
extended period of time can result in discoloration or
stripes. Immediately remove any type of fluid from the
screen.
2. Carefully align the holes at all four corners of the LCD
module with the corresponding holes in the LCD cover
and fasten with screws. Do not strongly push on the module because any impact can adversely affect the performance. Also use caution when handling the polarized screen
because it can easily be damaged.
The metal edges of the LCD module
CAUTION
are sharp, so use caution to avoid injury.
5. Glass is used in the panel, so do not drop or strike with
hard objects. Such actions can damage the panel.
6. CMOS-LSI circuitry is used in the LCD module, so avoid
damage due to static electricity. When handling the module, use a wrist ground or anchor ground.
– 5 –
7. Do not expose the LCD module to direct sunlight or strong
ultraviolet rays for an extended period of time.
8. Do not store the LCD module below the temperature conditions described in the specifications. Failure to do so
could result in freezing of the liquid crystal due to cold air
or loss of resilience or other damage.
9. Do not disassemble the LCD module. Such actions could
result in improper operation.
10. When transporting the LCD module, do not use packing
containing epoxy resin (amine) or silicon resin (alcohol or
oxim). The gas generated by these materials can cause
loss of polarity.
– 6 –
SERVICE MODE
ENTERING TO SERVICE MODE
1) Press the "MUTE" button once on the remote control, "1/2 MUTE" is displayed on the screen.
2) Press the "MUTE" button again, "MUTE" is displayed on the screen.
3) Press the "MENU" button on the TV while pressing the "MUTE" button on the remote control, "S" may appear
on the screen. Then enter to the service mode.
4) Press the "MENU" button on the remote control, adjustment item appears on the screen.
NOTE
Adjustment items may change by pressing the "CH
1) 2) 3) 4)
" buttons on the remote control.
S
1/2 mute
* EXIT FROM SERVICE MODE-Turn off the "POWER" of the TV or remote control.
Built-in signal
.
When press the "INPUT" source selection button on the remote controller during service mode,
generate the built-in test video signal for servicing.
Built-in test video signal (Use for the adjustment such as white balance, etc.)
General broadcasting signal => red monochrome => green monochrome
=> blue monochrome => white signal => black cross bar => built-in signal OFF
mute
(Service mode screen)
RCUT
60H
CAUTION
For the video system adjustment, never attempt to initialize the data unless initial setting data is exceed
incorrectly.
Adjustment items
Brightness correction
(BRTC)
White balance
(RCUT) (GCUT) (BCUT)
Adjustment procedure
1) Receive a general broadcasting program, then press "MENU" button on the
remote control, set the unicolor to minimum (00) and brightness to standard (00)
in order to display the "Setting menu" => "Picture setting" => "Picture adjust-
ment" by pressing the cursor buttons "
2) Select BRTC (brightness correction) using the cursor buttons "CH
remote control, fine adjust the black signal to be black using the "VOL "
buttons on the remote control. After the adjustment, set "unicolor" back to
initialize data.
1) Enter the service mode, press the "INPUT" source setting button on the remote
control to generate the built-in white signal.
2) Adjust the data of items RCUT, GCUT and BCUT for proper white-balanced
picture in low light area.
* For high
light area, GDRV and RDRV items can be adjusted for proper white-balanced picture.
– 7 –
".
" on the
TROUBLESHOOTING DIAGNOSIS FUNCTION
1. DIAGNOSIS FUNCTION FOR LED INDICATION
LED
LED is lit in 1 second at
intervals of 1 second.
Short-circuit detection of BUS line
BUS line may possibly be short-circuit (SDA to SCL), or BUS line (SDA,
SCL) is grounded.
CAUSE
LED is lit in 0.5 at intervals
of 0.5 second.
LED is lit in 0.25 second at
intervals of 2 second.
LED is lit in 5 seconds at
intervals of 5 seconds.
High : Lighting Low : No Lighting
Overcurrent limiter detection
POWER terminal on TV microprocessor becomes LOW at 2 seconds or
more.
Interruption of FAN motor function detection
No. 53 terminal on TV microprocessor becomes HIGH for 30 seconds.
Abnormal sound detection
P4 terminal of QS10 becomes LOW for 15 seconds during Speaker is
activated.
– 8 –
2. SELF DIAGNOSIS FUNCTION
1) Press "9" button on the remote control during display of adjustment menu in the service mode.
2) During diagnosis, the following displays are shown.
<SELF CHECK>
Part number of microprocessor
Operation number of protecting circuit ------"00" is normal.
When indication is other than "00", overcurrent is apt to flow, and circuit parts may possibly be damaged.
BUS LINE ------"OK" is normal.
When indication shows "NG (Green: OK, Red: NG)", the BUS line may possibly be short-circuit.
BUS CONT------"OK" is normal.
When indication shows "Q uuu (Green: OK, Red: NG )", the device with the number may possibly be
damaged.
BLOCK
MAIN : Main picture display --Green indication
Main picture does not display--Red indication
SUB : Sub picture display --Green indication
Sub picture does not display--Red indication
ID number of this unit.
EEP of soft version information
Data number of OPT1 and OPT2
Software version information of host microprocessor (date indication)
DVI NO : DVI number information
DVI ERR CODE : DVI status code number
BEP SW VER : Software version information for BEP microprocessor
BEP E2P VER : Software version information for BEP E2P
Total hour of turn the TV on. (Unit: hour)
*INITIALIZATION OF SELF DIAGNOSIS DATA
1) Enter the service mode, then select any register item.
2) Press and hold the RECALL button on the remote control, then press the CHANNEL up button on the TV. The
initialization has been completed.
– 9 –
Terminals
(VIDEO 3)
LOCATION OF CONTROLS
Control panel
To p
Swivel base
FrontSide
GENERAL ADJUSTMENTS
POWER
Headphone jack
Back
Push
Remove
the covers
Cable clamper
(Supplied: see page 8)
Power indicator
Remote sensor
POWER
SPECIFIC INFORMATIONS
Terminals
• VIDEO/AUDIO OUT
• VARIABLE AUDIO OUT
Antenna terminals
– 10 –
DVI/HDCP IN
Terminals
• VIDEO 1 IN
• VIDEO 2 IN
• ColorStream HD-1/2
• TheaterLink IN/OUT
Learning about the remote control
The buttons used for operating the TV only are described here. For a
complete list of the remote control’s functions, see the “Remote
Control functional key chart” on pages 19–20.
POWER turns the TV on and off
SLEEP allows access to the automatic TV shut-off function (page 53)
LIGHT The first press of the LIGHT button lights the keypad and turns
on the Illumination mode. With the Illumination mode on,
pressing any other key lights the keypad for 5 seconds (10 seconds
if you’re in programming mode).
Subsequent presses of the LIGHT button toggle between turning
the Illumination mode on and off.
Channel Numbers (0-9, 100) allow direct access to channels (page 30)
MODE cycles through the six device modes: TV, CABLE/SAT, VCR,
DVD, AUDIO1, and AUDIO2. The mode indicator light will
remain lit for a few seconds (page 21).
PIC SIZE cycles through the five pictures sizes: Natural, Theater Wide 1,
2, 3, and Full (page 34)
FAVORITE allows access to the favorite channel search function (page 41)
MENU allows access to on-screen programming menus (page 26)
ENTER sets programming menu information (page 26)
yz x • select or adjust programming menus (page 26)
FAV yzcycles through favorite channels (page 32)
CH yzcycles through programmed channels (page 29)
VOL yz adjusts the volume level
EXIT exits the programming menus (page 26)
INPUT selects the video input source (page 50)
MUTE mutes the sound (page 54)
RECALL displays on-screen information (page 60)
CH RTN returns to the last viewed channels (page 31)
POP CH yz selects the POP (picture-out-picture) channel (page 38)
SPLIT turns the POP feature on and off (page 38)
CH SCAN
FREEZE freezes the POP picture (page 39)
SWAP switches the main and POP pictures (page 39)
allows access to the programmed channel search function (page 40)
Note:
The error message “Not Available” will appear
if you press a key for a function that is not
available.
POP DIRECT CH allows direct access to POP channels (page 38)
SOURCE selects the POP picture source (page 38)
– 11 –
LAYOUT OF MAJOR BOARDS
U800 POWER MODULE UNIT
U901D POWER SW Board
U901A SIGNAL Board
U902A TN/AOUT Board
U903 SCALER Board
U901E KEY SW Board
U901C AV2 Board
U901G D-REWRITE Board
– 12 –
U901B FRONT/AV Board
U901F LED/RMT Board
MECHANICAL DISASSEMBLY
• Note: Be sure to lay down the main body (by placing its screen
downward) for disassembly.
1.Removing the back cover
1) Remove the BC stand cover.
2) Remove the BC terminal cover.
3) Remove 6 screws, then remove the stand.
BC Stand Cover
Stand
BC Terminal Cover
PP 5x12
– 13 –
4) Remove 11 screws (PBI 4x12).
5) Remove 5 screws (PP 3x6).
6) Remove the back cover.
PBI 4x12
PP 3x6
PP 3x8
PP 3x8
Back Cover
– 14 –
2.Removing the speakers
r
1) Remove the back cover. (Refer to Item 1.)
2) Disconnect the speaker wire harness on the Front/AV board.
3) Remove the wire harness of the 3 wire holders.
4) Remove 4 screws, then remove the left speaker and wire holder.
5) Remove 4 screws, then remove the right speaker and wire holder.
PBI 4x12
Wire holder
Speaker (R)
PBI 4x12
Wire holde
Speaker (L)
Wire holder
Wire harness
Speaker
wire harness
FRONT/AV Board
– 15 –
3.Removing the top shield bracket
1) Remove the back cover. (Refer to Item 1.)
2) Remove 5 screws, then remove the top shield bracket.
Top Shield Braket
STP 3x8
STP 3x8
– 16 –
4.Removing the Power Module unit
1) Remove the back cover. (Refer to Item 1.)
2) Disconnect the power cord from the connector.
3) Remove the 3 wire harnesses from the 3 wire clampers on the plate back R.
4) Disconnect the 8 wire harnesses from the 8 connectors on the Power Module unit.
5) Remove 7 screws, then remove the Power Module unit.
Power cord
STP 3x8
Wire Harnesses
POWER MODULE UNIT
Wire Harnesses
Plate Back R
– 17 –
Wire clampers
5.Removing the Scaler board
1) Remove the back cover. (Refer to Item 1.)
2) Remove the top shield bracket. (Refer to Item 3.)
3) Remove 4 screws (STP3x6) and 2 screws (STP3x5), then remove the top shield RM.
4) Disconnect the 8 wire harnesses and 2 FFC from the Scaler board.
5) Remove 4 screws (STP3x5), then remove the Scaler board and bottom shield RM.
Wire harnesses
SCALER
board
FFC
DVI MODULE
Wire harnesses
STP 3x5
STP 3x6
STP 3x6
Top shield RM
STP 3x5
SCALER board
Wire harnesses
Bottom
shield RM
BIDT2
3 x10 BZ
ANT
Nuts
– 18 –
6.Removing the D-Rewrite board
1) Remove the back cover. (Refer to Item 1.)
2) Remove the top shield bracket. (Refer to Item 3.)
3) Remove the Scaler board. (Refer to Item 5.)
4) Remove 2 screws, then remove the D-Rewrite board.
5) Disconnect the 2 wire harnesses and 1 FFC on the D-Rewrite board.
6) Remove 2 screws, then remove the digital unit bracket.
7) Remove 2 screws, then remove the scaler unit bracket.
Scaler unit bracket
Wire harnesses
FFC
D-REWRITE board
STP 3x8
STP 3x8
STP 3x8
Digital unit bracket
PP 3x6
– 19 –
7.Removing the back terminal plate, back bottom plate and back R plate
1) Remove the back cover. (Refer to Item 1.)
2) Remove the top shield bracket. (Refer to Item 3.)
3) Remove the Scaler board. (Refer to Item 5.)
4) Remove the D-Rewrite board. (Refer to Item 6.)
5) Remove 5 screws (BIDT 2 3x10BZ) and 2 screws, then remove the back terminal plate.
6) Remove 2 screws (STP 3x8), 2 hexagon nuts and 1 toothed washer, then remove the back bottom plate.
7) Remove 5 screws (STP 3x8), then remove the back R plate.
STP 3x8
Back plate R
STP 3x8
Back terminal plate
Back bottom plate
STP 3x8
STP 3x8
BIDT2 3x10 BZ
– 20 –
8.Removing the TN/AOUT, AV2 and Signal boards
Z
1) Remove the back cover. (Refer to Item 1.)
2) Remove the top shield bracket. (Refer to Item 3.)
3) Remove the Scaler board. (Refer to Item 5.)
4) Remove the D-Rewrite board. (Refer to Item 6.)
5) Remove the back plates. (Refer to Item 7.)
6) Remove the connector [A] and 3 harnesses from the TN/AOUT board.
7) Remove 5 screws (STP 3x8), then remove the TN/AOUT board.
8) Remove the connector [B] from the Signal board.
9) Remove 3 screws (STP 3x8), then remove the AV2 board.
10) Remove 1 screw (BIDT2 3x10BZ), then remove the AV2 panel.
11) Remove the 6 wire harnesses and 2 FFC from the Signal board.
12) Remove 5 screws (STP 3x8), then remove the Signal board.
TN/AOUT board
Connector [A]
Wire harnesses
STP 3x8
Wire harness
Wire harness
FFC
FFC
Connector [B]
STP 3x8
AV2
board
STP 3x8
Wire harness
SIGNAL
board
BIDT2 3x10 B
AV2 panel
SIGNAL board
– 21 –
9.Removing the Front /AV board
1) Remove the back cover. (Refer to Item 1.)
2) Remove 1 screw (BIDT2 3x10 BZ).
3) Remove 2 screws (PP 3x6), then remove the front AV panel.
4) Remove 1 screw (BIDT2 3x10 BZ) and 1 screw (PP 3x6), then remove the rear AV panel.
5) Disconnect the 2 wire harnesses and 1 FFC from the Front/AV board.
6) Remove 2 screws (PP 3x6), then remove the wire holder and Front/AV board.
Wire harnesses
PP 3x6
Wire holder
FFC
PP 3x6
Rear AV panel
FRONT/AV board
PP 3x6
Front AV panel
BIDT2 3x10 BZ
– 22 –
10. Removing the Power SW and LED/RMT boards
1) Remove the back cover. (Refer to Item 1.)
2) Remove 3 screws (STP 3x8), then remove the LED/RMT board.
3) Disconnect the 2 wire harnesses from the connector on the LED/RMT board.
4) Remove 2 screws (STP 3x8), then remove the switch cover and cap.
5) Disconnect the wire harness from the connector on the Power SW board.
6) Remove 3 screws (STP 3x8), then remove the Power SW board.
Wire harness
STP 3x8
STP 3x8
POWER SW
board
Switch cover
Cap
STP 3x8
LED/RMT board
Wire harnesses
– 23 –
11. Removing the chassis frame
1) Remove the back cover. (Refer to Item 1.)
2) Remove the speakers. (Refer to Item 2.)
3) Remove the top shield bracket. (Refer to Item 3.)
4) Remove Power Module unit. (Refer to Item 4.)
5) Remove the Scaler board. (Refer to Item 5.)
6) Remove the D-Rewrite board and bracket. (Refer to Item 6.)
7) Remove the back plate. (Refer to Item 7.)
8) Remove the TU/AOUT, AV2 and Signal boards. (Refer to Item 8.)
9) Remove the Front/AV board. (Refer to Item 9.)
10) Remove the Power SW and LED/RMT boards. (Refer to Item 10.)
11) Remove 2 screws (PP 3x6), then remove the cord holder.
12) Remove 4 screws (PP 3x6), then remove 2 fan bracket holders.
13) Remove 4 screws (PP 3x20), then remove the 2 DC fans.
14) Remove 10 screws (PBI 4x12) and 8screws (PP 4x10), then remove the chassis frame.
PP 3x6
Fan bracket holder
PP 3x6
DC Fan
PP 3x6
Chassis frame
PP 4x10
PP 3x20
PBI 4x12
PP 3x20
PP 4x10
PBI 4x12
– 24 –
12. Removing the LCD and front bezel cover assembly
1) Remove the back cover. (Refer to Item 1.)
2) Remove the speakers. (Refer to Item 2.)
3) Remove the top shield bracket. (Refer to Item 3.)
4) Remove Power Module unit. (Refer to Item 4.)
5) Remove the Scaler board. (Refer to Item 5.)
6) Remove the D-Rewrite board and bracket. (Refer to Item 6.)
7) Remove the back plate. (Refer to Item 7.)
8) Remove the TU/AOUT,AV2 and Signal boards. (Refer to Item 8.)
9) Remove the Front/AV board. (Refer to Item 9.)
10) Remove the Power SW and LED/RMT boards. (Refer to Item 10.)
11) Remove the chassis frame. (Refer to Item 11.)
12) Remove 2 screws (BIDT2 3x10), then remove the key SW panel.
13) Remove 2 screws (BIDT2 3x10), then remove the Key SW board.
14) Disconnect the wire harness from the connector on the Key SW board.
15) Lift up the LCD slowly from the front bezel cover assembly toward to the arrow direction.
16) Remove 2 screws (PP 4x10), then remove the two bracket panels top.
LCD
Bracket panel top
Front bezel cover assembly
Harness
KEY SW board
BIDT2
3x10
PP 4x10
KEY SW panel
BIDT2 3x10
– 25 –
1. Cover Block
A227
EXPLODED VIEWS
A402
PP 5x12
A406
PP 3x8
PBI 4x12
PP 3x8
PBI 4x12
PP 3x8
A401
LOCATION No. Parts No.Description
A22723429049CABINET, STAND
A40123532669COVER, BACK COVER
A40223532633COVER, BC STAND COVER
A40623532634COVER, BC TERMINAL COVER
A50123717176SCREW, PP5X12+SW+W SZ
A50223717175SCREW, PP3X6+SW+W SZ
A50523035004SCREW
– 26 –
2. Chassis Block 1
ZA04
A218
PP 3x6
PP 3x6
PP 3x6
P801
PP 3x6
ZA04
ZA01
MJ18
UF01
PP 3x20
MJ94
STP 3x8
MJ13
STP 3x8
STP 3x8
U903
PP 3x6
A218
U800
PP 3x6
A221
U901B
LOCATION No. Parts No.Description
U901B75000781PCB PW UNIT FRONT-AV
*
U90375000789PCB SCALER
*
A21823528373HOLDER, FAN BRACKET 26
A22123940037PIECE, REAR AV ASSY
A22223940038PIECE, FRONT AV ASSY
MJ1323389210FFC CABLE, P0.5-40P
MJ1823368868CABLE, LVDS 300MM
MJ9423389212FFC CABLE P1.0-11P
A701A23067704CARTON, CASE 26HL84
A702A23946777PACKING, TOP PACKING 26HL84
A702B23946778PACKING, BOTTOM PACKING 26HL84
A70323945143BAG, PROTECTIVE, 35P2700
K90223306504REMOCON HAND UNIT IR, CTVUSA
K90323306465REMOCON HAND UNIT, 57HX82
Y10123566307OWNERS MANUAL, ENG/FRE/SPA
Y10923945015BAG, POLYETHYLENE COVER, 250X400
Y17023845800WIRE HOLDER, NYLON66 D6.8
– 30 –
Loading...
+ 106 hidden pages
You need points to download manuals.
1 point = 1 manual.
You can buy points or you can get point for every manual you upload.