Panasonic TH-50LFE6E User manual

Service Manual
FULL HD LCD Display
TH-50LFE6E
LA45 Chassis
© Panasonic Corporation 2013.
Unauthorized copying and
distribution is a violation of law.
ORDER No. PCZ1308172CE
There are special components used in this equipment which are important for safety. These parts are marked in the
Schematic Diagrams, Circuit Board Diagrams, Explorer Views and Replacement Parts List. It is essential that these
critical parts should be replaced with manufacturer´s specified parts to prevent shock, fire or other hazards. Do not
modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not
contain warnings or cautions to advise non-technical individuals of potencial dangers in attempting to service a product. Products
powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the
product or products deal within this service information by anyone else could result in serious injury or death.
Warning

CONTENTS
SAFETY PRECAUTIONS ........................................... 3
GENERAL GUIDE LINES...................................... 3
TOUCH – CURRENT CHECK............................... 3
PREVENTION OF ELECTROSTATIC DISCHARGE
(ESD) TO ELECTROSTATICALLY SENSITIVE (ES)
DEVICES ................................................................... 4
ABOUT LEAD FREE SOLDER (PBF)......................... 5
SUGGESTED PB FREE SOLDER........................ 5
SERVICE NAVIGATION ............................................. 6
CHASSIS BOARD LAYOUT ................................. 6
SERVICE HINTS ........................................................ 7
APPLICABLE INPUT SIGNALS.................................. 8
SPECIFICATIONS ...................................................... 9
OPERATING INSTRUCTIONS ................................. 10
OPTION MENU......................................................... 11
SERVICE MODE ...................................................... 12
CAT (COMPUTER AIDED TEST) MODE ................. 12
IIC MODE.................................................................. 12
CD MODE, FT MODE, NW MODE ........................... 13
SD MODE, MS MODE, ID MODE............................. 14
IIC MODE STRUCTURE............................................15
SELF CHECK ........................................................... 16
POWER LED BLINKING TIMING CHART ................ 17
LCD PANEL TEST MODE ........................................ 18
ADJUSTMENT METHOD ......................................... 19
WIRING DIAGRAM................................................... 20
BLOCK DIAGRAM (1 OF 3)..................................... 21
PARTS LOCATION................................................... 24
LOCATION OF LEAD WIRING ................................. 26
REPLACEMENT PARTS LIST NOTE....................... 27
REPLACEMENT PARTS LIST.................................. 28
SCHEMATIC DIAGRAMS NOTE.............................. 60
A-BOARD (1 OF 11) SCHEMATIC DIAGRAM.......... 61
P-BOARD (1 OF 2) SCHEMATIC DIAGRAM............ 72
FR-BOARD (1 OF 4) SCHEMATIC DIAGRAM ......... 74
K-BOARD SCHEMATIC DIAGRAM .......................... 78
GK-BOARD SCHEMATIC DIAGRAM ....................... 79
CONDUCTOR VIEWS .............................................. 80
2

Safety Precautions
General Guide Lines
1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated
or damaged by the short circuit.
2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly
installed.
3. After servicing, make the following touch current checks to prevent the customer from being exposed to shock hazards.
4. Always ensure cover label TBM4GU113 is correctly replaced before returning to customer (see Fig.1).
Touch-Current Check
1. Plug the AC cord directly into the AC outlet. Do not use an isolation transformer for this check.
2. Connect a measuring network for touch currents between each exposed metallic part on the set and a good earth
ground such as a water pipe, as shown in Fig. 2.
3. Use Leakage Current Tester (Simpson 228 or equivalent) to measure the potential across the measuring network.
4. Check each exposed metallic part, and measure the voltage at each point.
5. Reserve the AC plug in the AC outlet and repeat each of the above measure.
6. The potential at any point (TOUCH CURRENT) expressed as voltage U1 and U2, does not exceed the following values:
For a. c.: U1 = 35 V (peak) and U2 = 0.35 V (peak);
For d. c.: U1 = 1.0 V,
Note:
The limit value of U2 = 0.35 V (peak) for a. c. and U1 = 1.0 V for d. c. correspond to the values 0.7 mA (peak) a. c. and
2.0 mA d. c.
The limit value U1 = 35 V (peak) for a. c. correspond to the value 70 mA (peak) a. c. for frequencies greater than 100
kHz.
7. In case a measurement is out of the limits specified, there is a possibility of a shock hazard, and the equipment should
be repaired and rechecked before it is returned to the customer.
Fig. 2
TO
APPLIANCES
EXPOSED
METAL PARTS
Resistance values in ohms ()
V
R0=500

RS=1500

CS=0.22

F
10k

0.022

F
COLD
WATER PIPE
(EARTH GROUND)
V: Voltmetr or oscilloscope
(r.m.s. or peak reading)
Measuring network for TOUCH CURRENTS
Input resistance: 1M

Input capacitance:200pF
Frequency range: 15Hz to 1MHz and d.c.respectively
NOTE – Appropriate measures should be taken to obtain the correct value in case of non-sinusoidal waveforms
U2(V)
U1(V)
Fig. 1
3

Prevention of Electrostatic Discharge (ESD) to Electrostatically
Sensitive (ES) Devices
Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are
called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect
transistors and semiconductor "chip" components. The following techniques should be used to help reduce the incidence of
component damage caused by electrostatic discharge (ESD).
1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any ESD on
your body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging ESD
wrist strap, which should be removed for potential shock reasons prior to applying power to the unit under test.
2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as
aluminum foil, to prevent electrostatic charge build up or exposure of the assembly.
3. Use only a grounded-tip soldering iron to solder or unsolder ES devices.
4. Use only an anti-static solder removal device. Some solder removal devices not classified as "anti-static (ESD
protected)" can generate electrical charge sufficient to damage ES devices.
5. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ES devices.
6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it.
(Most replacement ES devices are packaged with leads electrically shorted together by conductive foam, aluminum foil
or comparable conductive material).
7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective
material to the chassis or circuit assembly into which the device will be installed.
Caution
Be sure no power is applied to the chassis or circuit, and observe all other safety precautions.
8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise harmless motion such as the
brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity
(ESD) sufficient to damage an ES device).
There are special components used in this equipment which are important for safety.
These parts are marked by in schematic diagrams, exploded views and replacement parts list. It is essential that
these critical parts should be replaced with manufacturer’s specified parts to prevent shock, fire, or other hazards. Do
not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
4

About lead free solder (PbF)
Note: Lead is listed as (Pb) in the periodic table of elements.
In the information below, Pb will refer to Lead solder, and PbF will refer to Lead Free Solder.
The Lead Free Solder used in our manufacturing process and discussed below is (Sn+Ag+Cu).
That is Tin (Sn), Silver (Ag) and Copper (Cu) although other types are available.
This model uses Pb Free solder in it’s manufacture due to environmental conservation issues. For service and repair work,
we’d suggest the use of Pb free solder as well, although Pb solder may be used.
PCBs manufactured using lead free solder will have the PbF within a leaf Symbol
stamped on the back of PCB.
Caution
Pb free solder has a higher melting point than standard solder. Typically the melting point is 50 ~ 70 °F (30~40°C)
higher. Please use a high temperature soldering iron and set it to 700 ± 20 °F (370 ± 10 °C).
Pb free solder will tend to splash when heated too high (about 1100 °F or 600 °C).
If you must use Pb solder, please completely remove all of the Pb free solder on the pins or solder area before
applying Pb solder. If this is not practical, be sure to heat the Pb free solder until it melts, before applying Pb solder.
After applying PbF solder to double layered boards, please check the component side for excess solder which may
flow onto the opposite side. (see Fig.3)
Suggested Pb free solder
There are several kinds of Pb free solder available for purchase. This product uses Sn+Ag+Cu (tin, silver, copper) solder.
However, Sn+Cu (tin, copper), Sn+Zn+Bi (tin, zinc, bismuth) solder can also be used. (see Fig.4)
Fig.3
Fig.4
5

Service Navigation
Chassis Board Layout
Board Name Function
A-Board Main Processor, HDMI, DVI, D-SUB(PC), Audio OUT / IN, Ethernet(LAN),
RS232(Serial Port), SPI Flash, EEP memory, Speaker OUT
DDR memory,SUB CPU
GK-Board Key control, Power switch
K-Board Remote Reciever, Power and Timer LED, C.A.T.S
P-Board Power Supply, Main Input
FR-Board Pixelworks
P-BOARD
GK-BOARD
A-BOARD
FR-BOARD
K-BOARD
6

Service Hints
How to remove the backcover
Lay the main unit face down. (see Fig.5)
Remove the 38 fixing screws. (see Fig.6)
Fig.5
SCREWS
(1) THEC217J 22 pcs
(2) THEC1509 12 pcs
(3) XTV3+8GFJK 1 pcs
(4) THTD030J 3 pcs
(1) (1) (1)
(1)
(1)
(1)
(1)
(1)
(1)
(1) (1)
(1)
(2)
(2)
(2)
Fig.6
(1) (1) (1)
(1)
(1)
(1) (1)
(1)
(1)
(1)
(2) (2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(4) (4) (4)
7

Applicable Input Signals
*Mark: Applicable input signal
Signal name
Horizontal
frequency
(kHz)
Vertical
frequency
(Hz)
PC IN
(Dot clock (MHz)
DVI-D IN
(Dot clock (MHz)
HDMI
1 640x400@70Hz 31.46 70.07 *(25.17)
2 640x480@60Hz 31.47 59.94 *(25.18) *(25.18) *
3 640x480@72Hz 37.86 72.81 *(31.5)
4 640x480@75Hz 37.50 75.00 *(31.5)
5 640x480@85Hz 43.27 85.01 *(36.0)
6 800x600@56Hz 35.16 56.25 *(36.0)
7 800x600@60Hz 37.88 60.32 *(40.0) *(40.0) *
8 800x600@72Hz 48.08 72.19 *(50.0)
9 800x600@75Hz 46.88 75.00 *(49.5)
10 800x600@85Hz 53.67 85.06 *(56.25)
11 852x480@60Hz 31.47 59.94 *(34.24) *
12 1,024x768@50Hz 39.55 50.00 *(51.89) *
13 1,024x768@60Hz 48.36 60.00 *(65.0) *(65.0) *
14 1,024x768@70Hz 56.48 70.07 *(75.0)
15 1,024x768@75Hz 60.02 75.03 *(78.75)
16 1,024x768@85Hz 68.68 85.00 *(94.5)
17 1,066x600@60Hz 37.64 59.94 *(53.0) *
18 1,152x864@60Hz 53.70 60.00 *(81.62) *
19 1,152x864@75Hz 67.50 75.00 *(108.0)
20 1,280x768@60Hz 47.70 60.00 *(80.14)
21 1,280x960@60Hz 60.00 60.00 *(108.0)
22 1,280x960@85Hz 85.94 85.00 *(148.5)
23 1,280x1,024@60Hz 63.98 60.02 *(108.0) *(108.0) *
24 1,280x1,024@75Hz 79.98 75.02 *(135.0)
25 1,280x1,024@85Hz 91.15 85.02 *(157.5) *1
26 1,366x768@50Hz 39.55 50.00 *(69.92) *
27 1,366x768@60Hz 48.36 60.00 *(86.71) *(87.44) *
28 1,400x1,050@60Hz 65.22 60.00 *(122.61) *
29 1,600x1,200@60Hz 75.00 60.00 *(162.0) *(162.0) *
30 1,920x1,080@60Hz 67.50 60.00 *(148.5) *(148.5) *
31 1,920x1,200@60Hz 74.04 59.95 *(154.0) *
32 Macintosh 13‘‘ (640 x 480) 35.00 66.67 *(30.24)
33 Macintosh 16‘‘ (832 x 624) 49.72 74.55 *(57.28)
34 Macintosh 21‘‘ (1,152 x 870) 68.68 75.06 *(100.0)
*1 Not compatible with Sync on G.
The signal format automatically detected may differ from the actual input signal in display.
*Mark:applicable input signal
Signal name
Horizontal
frequency
(kHz)
Vertical
frequency
(Hz)
DVI_IN
(Dot clock (MHz)
HDMI
1 525(480)/60i 15.73 59.94 *(27.0) *
2 525(480)/60p 31.47 59.94 *(27.0) *
3 625(575)/50i 15.63 50.00
4 625(576)/50i 15.63 50.00 *(27.0) *
5 625(575)/50p 31.25 50.00 *
6 625(576)/50p 31.25 50.00 *(27.0) *
7 750(720)/60p 45.00 60.00 *(74.25) *
8 750(720)/50p 37.50 50.00 *(74.25) *
9 1,125(1,080)/60p 67.50 60.00 *(148.5) *
10 1,125(1,080)/60i 33.75 60.00 *(74.25) *
11 1,125(1,080)/50p 56.25 50.00 *(148.5) *
12 1,125(1,080)/50i 28.13 50.00 *(74.25) *
13 1,125(1,080)/24sF 27.00 48.00
14 1,125(1,080)/30p 33.75 30.00 *(74.25) *
15 1,125(1,080)/25p 28.13 25.00 *(74.25) *
16 1,125(1,080)/24p 27.00 24.00 *(74.25) *
PC signals
Component signals
8

Specifications
Power Source: 220-240V AC, 50 / 60Hz
Rated Power Consumption: 90W
Stand-by Power Consumption: 0.5W
Operating Conditions: Temperature: 0°C 40°C
Humidity: 20% 80% RH (non condensing)
Applicable signals:
Scanning Format 525(480) / 60i • 60p, 625(575) / 50i • 50p, 750(720) / 60p• 50p
1125(1080) / 60i • 60p • 50i • 50p • 24p • 25p • 30p • 24sF
PC signal VGA, SVGA, XGA, SXGA, UXGA . . . . . (compressed)
Horizontal scanning frequency 30 - 110kHz
Vertical scanning freguency 48 – 120Hz
Terminals:
HDMI Type A Connector
DVI-D IN DVI-D 24 Pin Compliance with DVI Revision 1.0
Content Protection Compatible with HDCP 1.1
AUDIO Stereo mini Jack (M3) x1 0.5 Vrms, Shared with PC IN
PC IN High-Density Mini D-sub 15 Pin G with sync 1.0 Vp-p (75
   G without sync 0.7 Vp-p (75
B: 0.7 Vp-p ( 75)
R: 0.7 Vp-p ( 75)
HD/VD : 1.0 -5.0 Vp-p (high impedance)
AUDIO Stereo mini Jack (M3) x1 0.5 Vrms, Shared with DVI-D IN
ETHERNET RJ45, 10BASE-T / 100BASE-TX, compatible with PJLink™
SERIAL IN External Control Terminal
D-sub 9 Pin RS-232C compatible
AUDIO OUT Stereo mini jack (M3) x1 0.5 Vrms
Output level: Variable (-∞- 0dB) [INPUT 1kHz / 0dB, 10kLoad]
LCD screen: L5EDDYY00490
1920 x 1080, 16:9
Visible Diagonal 1,257mm
Audio Output: 10W (2 x 5W)
Accessories supplied : Remote Control
2 x R6 (UM3) Batteries
Dimensions: Width: Height: Depth:
1,121mm 655mm 49mm
Mass: 18.0kg
Design and Specifications are subject to change without notice. Mass and dimensions shown are approximate.
This equipment complies with the EMC standards listed below:
EN61000-3-2, EN61000-3-3, EN55022, EN55024
9

Operating Instructions
Press to display the Setup menu.
1
2
Press to select „OSD LANGUAGE“.
Press for more than 3 seconds.
Press to select „OPTIONS“.
Press to display the Options menu.
3
Press to select your preferred menu.
Press to adjust the menu.
4
5 Press to exit from Option menu.
10

Option Menu
LA45 chassis series have special function and operation setting facility called Option Menu. This Option Menu is useful for
special function required customers. This should be set at the installation stage.
Option menu Default setting Contents
Input Search Set auto input switching for when there is no signal.
On screen display On Enable/disable to display input mode indication after power on and
no signal indication.
Initial input Off Sets the initial input mode when the power is turned on. Allow input
mode selection while power is on.
Initial VOL level Off Sets the initial volume level when the power is turned on. Allow
Volume control while power is on.
Maximum VOL level Off Sets the maximum volume to desired level. Volume cannot exceed
this level.
Input lock Off Fixes the input mode to PC, DVI, or HDMI. Can not change input
mode by input selection key.
Button lock Off Enable/Disable bottom operation buttons (Input, Menu, Enter
and/or volume up/ down).
Remocon User level Off Remote key invalidation.
Off: Valid key is all key of remote.
User1: Valid key are only Stand-by (ON/OFF), Input, RECALL,
Sound mute On/Off, and volume adjustment.
User2: Valid key is only Stand-by (ON/OFF).
User3: All keys are null and void
Off-timer function Enable Off-timer operation Enable/Disable.
Initial Power Mode Normal Sets the power mode of the unit for when the power recovers from
failure or after plugging off and in again.
ID select 0 Sets panel ID number when panel is used in “Remote ID” or “Serial
ID”.
Set value range: 0 – 100
(Standard value: 0)
Remote ID Off Remote ID function On/Off.(While the Remote ID on, standard
remote function can not control the unit.)
Serial ID Off Serial ID function On/Off
Studio W/B Off Studio W/B function On/Off
Power ON Screen Delay Off You can set the power-on delay time of the displays to reduce the
power load, when you press to turn on the multiple displays
that are set together, for example, on MULTI DISPLAY system.
Set each display’s setting individually.
Clock Display Off The clock is displayed at the lower left of the screen when RECALL
button is pressed.
Power On Message (No activity power off) Off Whether to show/hide No activity power off Precautions at the time
of power ON is set.
Function button assign 1
Function button assign 2
Signal
Screensaver Set the functions that operates when is pressed.
Note:
When both main unit buttons and remote control are disabled due to the “Button lock”, “Remocon User level” or “Remote ID”
adjustments, set all the values “Off” so that all the buttons are enabled again. Press the “Volume down” button on main unit
together with “R” button on the remote control and hold for more than 5 seconds. The “Shipping” menu is displayed and the
lock is released when it disappears.
11

Service Mode
CAT (Computer Aided Test) Mode
IIC Mode
Select the IIC mode by Up/Down buton on the remote control at the front page of CAT mode and then press the Action
button on the remote control.
1. Select the alignment Subject by Up/Down buttons
on remote control.
2. Select the alignment Item by Left/Right buttons
on the remote control.
3. Adjust optimum setting by Volume Up/Down buttons
on the remote control.
4. The data is memorized when press the R button
on the remote control or change the alignment
Subject (or Items).
Subject and Item are mentioned on “IIC mode structure”.
To exit the IIC mode, press the R button on remote control.
CAT panel sys. 8.2
IIC Mode
CD Mode
FT Mode
NW Mode
SD Mode
MS Mode
ID mode
Mode Function Access Button
IIC Mode Service Alignment Action
CD (Complete
Diagnostic)
Software version
information EEPROM edit
Action
FT Mode - Action
NW Mode LAN terminal check Action
SD (Status Display) MTBF parameter Action
MS Mode Market Select Action
ID Mode LSI Check Action
Signal
Full Dynamic Hi
PANEL W/B Adj.
R Drive
30 30
CAT mode menu
Remote Control
MUTE
VOL Up/Down
Up/Down
R
Left/Right
ACTION
RECALL
How to access the CAT mode.
OSD
Subject
Item
New data
Original data
How to access the CAT mode.
Press and hold the Volume down/-button on the
right side of the unit and press the RECALL button
on the remote control 3 times quickly within 2 second,
this will place the unit into the CAT mode.
The exit CAT mode access the ID mode and switch
off the main power.
12

CD Mode
Select the CD mode by Up/Down buton on the remote control at the front page of CAT mode and then press the Mute
button on the remote control more than 3 seconds.
Memory data change
To exit the CD mode, press the R button on the remote control.
FT Mode
Select the FT mode by Up/Down buton on the remote control at the front page of CAT mode and then press the Mute
button on the remote control more than 3 seconds.
To exit the FT mode, press the R button on the remote control.
NW Mode
Note:
To use the network function, set each “Network Setup” setting and make sure to set the “Control I/F” to “LAN”
Select the NW mode by Up/Down buton on the remote control at the front page of CAT mode and then press the Action
button on the remote control.
To exit the NW mode, press the R button on the remote control.
0 0
A
ddress Change by Up/Down buttons on the remote control.
Change by Left/Right buttons on the remote control.
0 0
Data Change by VOL Up/Down buttons on the remote control.
The data is memorized when switch off the main power.
MONITOR-MCU 1.0000LFE6 OK
MONITOR-EEPROM 01.00 2 8A B5
MONITOR-EEPROM Change Addr 00 00
Data FF FF
MONITOR-SUBMCU 01.00
MONITOR-PANEL 42
LAN MCU 01.00/01.00
LAN-MAC ADDRESS CC:7E:E7:38:08:7B
SLOT BOARD EEPROM -- -- -- --
SLOT BOARD --/--/-- -- -- --
SERIAL No ST0000006
PTCT 00. 00. 00. 00. 00.
CD
Factory use
New data
Original data
SOS history
FAN-SOS ---
FT
TEST ----
Version 01.00/01.00
MAC Address CC:7E:E7:38:08:7B
Control I/F Select LAN
NW
13

SD Mode
Select the SD mode by Up/Down button on the remote control at the front page of CAT mode and then press
the Action button on the remote control.
To exit the SD mode, press the R button on the remote control.
MS Mode
Select the MS mode by Up/Down button on the remote control at the front page of CAT mode and then press the Mute
button on the remote control more than 3 seconds.
To exit the MS mode, press the R button on the remote control.
Caution:
Market Select should be set after exchange of A-Board.
Destination number:
ID Mode
Select the ID mode by Up/Down button on the remote control at the front page of CAT mode and and then press the Mute
button on the remote control more than 3 seconds.
To exit the ID mode, press the R button on the remote control.
Number Destination
0 Japan
1 US(North America)
3 Asia,
Oceania,ME,Africa
18 China
2 EU, Russia
Inputcommand
check
MTBF Parameter WT PT
TE
Condition
Sensor
SD
History of remote control command.
(Factory use).
Cumulative Time for power on condition. (unit :hour)
Temperature of A-board
OSD
D4 4B 49 D4 49 4B 4A
D4 4B 49 4B 4A D4 49
D4 4B 49 D4 4B 49
21 0
+36
Counter of power on. (unit :time)
Market select 01.00 2 2
MS Change by Left/Right buttons on the
remote control and press the action button
to confirm.
Present number
EEPROM data version
251 Contrast Automatic Tracking System sensor
0 Temperature error ocurred. (unit :time)
61
BL
A H90MEM OK
H51RTC OK
H62TEMP OK
ADCAd
j
ust OK
ID IIC1 IIC2
Backlight Limit Value
14

IIC Mode Structure
(following items value is sample data)
Panel W/B Adj. R DRIVE
30
G DRIVE
30
B DRIVE
30
by left / right button by VOL up/down button
chan
g
e of value
LCD DRIVE Adj.
by up / down button
R DRIVE
30
G DRIVE
30
B DRIVE
30
ADC AUTO Adj. ADJUST
AGING
PANEL SELF TEST
These are selected by Action buton of Remote control and press the R button to exit.
0 Vset adjust mode
1 ALL WHITE
2 ALL RED
3 ALL GREEN
4 ALL BLUE
5 ALL BLACK
AUTO TEST
00
PANEL COLOR
COLOR TEMP Hi
W/B ADJ.
R DRIVE
88
G DRIVE
88
B DRIVE
88
COLOR TEMP Mid
W/B ADJ.
R DRIVE
88
G DRIVE
7F
B DRIVE
71
COLOR TEMP Low
W/B ADJ.
R DRIVE
88
G DRIVE
76
B DRIVE
42
COLOR TEMP
STUDIO W/B ADJ.
R DRIVE
BA
G DRIVE
54
B DRIVE
00
TEMP CONTROL
ADJ.
Threshold TEMP
3C
OFFSET TEMP
03
PICTURE SUB
ADJ.
CONTRAST
00
BRIGHTNESS
29
FRONT PANEL KEY
CHECK
KEY CHECK - -
EDID WRITE
PROTECT
PROTECT
These are selected by Action buton of Remote control and press the R button to exit.
Do not connect connection terminals.
RTC CHECK
OPERATION
RTC CHECK
OK
15

Self Check
Display Indication
1. Self check is used to automatically check the bus line controlled circuit of the LCD display.
2. To get into the Self check mode, press the volume down button on the customer controls at the right side of the set, at the
same time pressing the OFF TIMER button on the remote control, and the screen will show.
Method A Self-Check only ( A shipment setup is not carried out )
Select ID mode by UP/Down button on the remote control at the front page of CAT mode and then press the Mute button
on the remote control more then 3 seconds.
Method B Self-Check + Shipment setup
Press and hold the volume down button on the right side of the unit and press the OFF-TIMER button on the remote
control.
If the IIC ports have been checked and found to be incorret, or not located then “- -” will appear in place “OK”
“0A” in the lie of the “PTCP” means the number of blinks of the Power LED is 10. (Reference_Power LED blinking timing
chart)
“H09” in the line of the “PTCP” is the error code
To exit the CAT mode switch off the main power.
Note:
The line of the “PTCP” display when you get into the Self check mode for first time only after the Power LED blinks.
A H90MEM OK
H51RTC OK
H62TEMP OK
H38FRC OK
ADC Adjust OK
ID IIC1 IIC2
16

Power LED blinking timing chart
1. Subject
Information of LED Flashing timing chart.
2. Contents
When abnormality has occurred the unit, the protection circuit operates and reset to the stand by mode. At this time, the
defective block can be identified by number of blinking of the Power LED on the front panel of the unit.
Blinking
times Name Detect item Detect pin
1 BL_SOS BL_SOS port is Low (from LED driver of PANEL) SUB CPU pin 60
(BL_SOS)
2 POWER_SOS Voltage down of PWR15V/PWR5V/SOUND15V on A-PCB SUB CPU pin 66
(PWR_SOS)
4 PANEL12V_SOS Voltage down of PNL12V on A-PCB SUB CPU pin 70
(PNL12V_SOS)
8 FRC_SOS Connection error to FRC（PixelWorks) N/A (data communication)
9 SOUND_SOS Error of Audio AMP SUB CPU pin 7
(SOUND_SOS)
13 REG_SOS Voltage down of LAN3.3V/DDR1.8V/D3.3V on A-PCB SUB CPU pin 67
(REG_SOS)
17

LCD Panel test mode
The failure-diagnosis by LCD Panel test mode
To find the possible failure point where in LCD Panel or Printed Circuit Board when the abnormal picture is displayed.
How to display the test pattern:
(A) Main unit + remote control operation
1. While pressing [VOLUME (-)] button of the main unit, press [R] button of the remote control three times within 2 seconds.
2. Test pattern is displayed and Power LED lights red and orange alternately.
How to Exit: Turn off the unit.
(B) Remote control only
1. Press [Recall] button of the remote control.
2. Press [R] button of the remote control.
3. Press [N] button of the remote control for over 3 seconds.
4. Test pattern is displayed and Power LED lights red and orange alternately.
How to Exit: The unit automatically turns off after around 10 seconds.
[Display pattern]
It is unfixed from which color it starts.
WHITE MAGENTA YELLOW CYAN BLACK
18

Adjustment Method
RGB white balance adjustment
Instrument Name Connect to Remarks
INTERNAL PATTERN – 100% WHITE
Color analyzer
( Minolta CA-210 or equivalent )
Panel surface
Picture menu: STANDARD
User setting: Normal
except PICTURE: max 30
Procedure Remarks
[Conditions]
Make sure the front panel to be used on the final set is fitted.
Center position
[Adjustment]
1.Select the IIC mode “LCD Drive Adj.” item.
2.Check that the color temperature is “MID”.
3.Output a white balance pattern. Confirm white balance pattern is displayed.
4.Touch the signal receiver of color analyzer to the highlight window’s center.
5.Fix one (R drive) at 30h and adjust other drivers so x, y become the Value in the
below table. (the highest RGB´s drive value is 30h)
6.At least fix one of the RGB’s drive data at 30h and adjust the others drive so x/y
(The highest RGB’s drive value is 30h).
Table W/B adjustment values
Color Temperature x y
Highlight 0.296 0.010 0.307 0.010
Adjustment target
Hi-light. x ± 0.010 y ± 0.010
Hi-light is target of the number at drive adjustment in the hi–light windows.
Therefore, it is not target of the hi-light number at after adjustment white balance.
Note :
Internal signal: STANDARD
Aspect: Full
Picture setting: Standard
Backlight: 100(Default)
“7“ key: color temperature select
Color temperature – Normal
(Mid.)
Let the panel stand for more than 3
hours at more than 20 C.
Basically perform adjustment in the
ambient environment of room
temperature more than 20 C.
The aging time is more than 20 min
at above room temperature.
Change DRIVE(R,G,B) by UP/DOWN buttons on the remote control
+-
Change Value Register by VOL+/- buttons on the remote control
19

Wiring Diagram
HDMI1 JK4004
DVI IN JK4002
AUDIO OUT JK3506
AUDIO IN JK3505
PC JK4001
JK2701
ETHERNET
JK3503
SERIAL
PORT
K-BOARD
A10 K10
A13SPEAKERS
FR-BOARD
P-BOARD
LCD PANEL
A3 TC11
A2 P2
TC01 TC02
GK-BOARD
A-BOARD
P4
GK4
JK7101
MAIN IN
A48
A40
SERVICE
SERVICE
20