Hitachi CMP4201 User manual

Plasma Display
October 2002
SERVICE MANUAL
Be sure to read this manual before servicing. To assure safety from fire, electric shock, injury,
harmful radiation and materials, various measures are provided in this Plasma display.
Be sure to read cautionary items described in the manual to maintain safety before servicing.
1. Since Panel Module and front Filter are made of glass, handling to the broken Module and
Filter shall be taken care sufficiently in order not to be injured.
2. Replacing work shall be started after the Panel Module and the AC/DC Power supply become
sufficiently cool.
3. Special care shall be taken to the display area in order not to damage its surface.
4. The Panel Module shall not to be touched with bare hand to protect its surface from stains.
5. It recommended using clean soft gloves during the replacing work in order to protect not only
the display area of the Panel Module but also a serviceman himself.
6. The Chip Tube of Panel Module (located upper left of the back) and flexible cables connecting
Panel glasses to drive circuit PWBs are very weak, so shall be taken care
sufficiently not break. If you break Chip Tube, the Panel doesn’t display forever.
1. Features㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯2
2. Specifications㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯2
3. Lead free solder㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯3
4. Names of each part㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯4
5. Trouble shooting㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯5
6. Block diagram㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯14
7. Disassembly Diagram㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯15
8. Re-Adjustment 㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯18
9. Wiring Drawing㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯22
10. Replacement Parts list㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯㨯24
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
No.0069E
Caution
Contents
Serviceman Warning
Mod. PD1 A
(CMP4121HD㧖
㧖㧖
㧖-㧖㧖㧖
㧖㧖㧖㧖㧖㧖
㧖㧖㧖)
(CMP420㧖
㧖㧖
㧖)
(42PMA400㧖
㧖㧖
㧖)

1. Features
z 42 inches Hi-Vision compatible high-definition color plasma display panel.
z Newly developed Multi-scanning converter provides a multi-scan coverage of TV signals
through to PC analog signals (15 kHz to UXGA(107 kHz)).
z Large high-quality display images free from color miss-convergence and display distortion, as
well as from geomagnetic effect and the magnetic effect of ambient power lines.
z Multimedia input support
Two minis D-sub terminal have been provided for RGB input. It is possible to switch between
RGB signals and component signals* from the Menu screen or the remote controller ;
therefore use is possible with equipment ranging from personal computer to imaging device.
*It is possible when the VIDEO unit is inserted.
2. Specifications
PDP Module 42 inch ALIS PDP panel (aspect ratio 16:9)
Description FPF42C128128UB
Pixel pitch 0.90 mm(H) x 0.51 mm(V)
Pixel structure RGB striped
RGB 1
RGB 2
(mD-sub15p) x 2
Video : 0.7 Vp-p
Sync. : Separate H/V, TTL level
Composite H/V, TTL level
Sync. on Green at 0.30 Vp-p
*: A Component input is attained at a D-sub terminal.
Video 1
(RCAx1,
S-terminalx1)
Composite Video or S-video (forS1, S2)
NTSC3.58, NTSC4.43, PAL, M-PAL, N-PAL, PAL60,SECAM
Video : Composite 1.0 Vp-p
S-video Y: 1.0 Vp-p, C:0.29Vp-p
Sync. : Composite sync
Video 2
(RCAx3)
Component Video
Y,PB,PRor Y,CB,CR:
(480I, 480P, 576I, 576P, 720P, 1080I, 1035I)
Video: Y : 1.0 Vp-p
Pb/Cb,Pr/Pr:0.7Vp-p
Sync. : Superimposed with Y signals
Input
Signal
SCART
(VIDEO1,VIDEO2)
PAL,NTSC Video : R/G/B 0.7Vp-p (Video2)
Sync : Composite Sync 1.0Vp-p (Video1)
Output
Signal
Video 1
(RCAx1)
Composite Video
Loop-through of input video 1 signal
Colors 16.777 million
Synchronization Horizontal : 15 –107 kHz
Vertical : 50 – 85 Hz
Resolution Horizontal : 1024 dots (max.)
Vertical : 1024 lines (max.)
Viewable Image Size 42 inches (1060 mm), diagonal (typical)
Viewable Image Area Horizontal : 922 mm (typical)
Vertical : 522 mm (typical)
Color Temperature 1: Cool 2: Normal 3: Warm 4:User
Warm-up Time 30 minutes to reach optimum performance level.
Power Supply AC 100 - 120 / 200 – 240 V (3.7A /2.0A) 50/60 Hz
(automatically selected)
Power Consumption : 350 W (typical, without sound)
(provided with power save circuit.)
Dimensions 1030 (W) 636 (H) 89 (D) mm
Weight 31 kg (approx.) exclude option stand
Environmental Condition Operation Storage
Temperature 5ºC to 35ºC 㧙15ºC to 60ºC
Humidity 20% to 80% 20% to 90%
2

3. Lead free solder
This product uses lead free solder (unleaded) to help preserve the environment. Please read these instructions
before attempting any soldering work.
Caution: Always wear safety glasses to prevent fumes or molten solder from getting into the eyes. Lead
free solder can splatter at high temperatures (600 
Lead free solder indicator
Printed circuit boards using lead free solder are engraved with an "F."
Properties of lead free solder
The melting point of lead free solder is 40-50 higher than leaded solder.
Servicing solder
Solder with an alloy composition of Sn-3.0Ag-0.5Cu or Sn-0.7Cu is recommended.
Although servicing with leaded solder is possible, there are a few precautions that have to be taken. (Not taking
these precautions may cause the solder to not harden properly, and lead to consequent malfunctions.)
Precautions when using leaded solder
Remove all lead free solder from soldered joints when replacing components.
If leaded solder should be added to existing lead free joints, mix in the leaded solder thoroughly after the lead
free solder has been completely melted (do not apply the soldering iron without solder).
Servicing soldering iron
A soldering iron with a temperature setting capability (temperature control function) is recommended.
The melting point of lead free solder is higher than leaded solder. Use a soldering iron that maintains a high
stable temperature (large heat capacity), and that allows temperature adjustment according to the part being
serviced, to avoid poor servicing performance.
Recommended soldering iron:
Soldering iron with temperature control function (temperature range: 320-450 
Recommended temperature range per part:
Part Soldering iron temperature
Mounting (chips) on mounted PCB 320 r
Mounting (chips) on empty PCB 380 r
Chassis, metallic shield, etc. 420 r
SIGNAL board
VIDEO board
JOINT board
ԛAUDIO board/FILTER board/LED,RECEIVER board/TACT SW board/SPEAKER terminal board
The PWB assembly which has used lead free solder
3

4. Names of each part
zOutlook
SUB-POWERSELECTMENURGB/
VIDEO VOLUME
FRONT VIEW
Filter
Panel
Front
Frame
Control
Switches
HITACHI
HITACHIHITACHI
HITACHI
㧾
㧸㧛㧹㧻㧺㧻
㧾㧳㧮㧴㨂
㧰㧙㧿㨁㧮㧵㧺
㧭㨁㧰㧵㧻 㧵㧺
㧾㧳㧮㧝 㧾㧳㧮㧞
㧾㧸
㧙㧙㧗㧗
㧿㧼㧱㧭㧷㧱㧾
㧾
㧸㧛㧹㧻㧺㧻
㧭㨁㧰㧵㧻㧵㧺
㧯㧻㧹㧼㧻㧺㧱㧺㨀㧵㧺
㨂㧵㧰㧱㧻㧞
㧿㧼㧛㧯㧼㧛㧯 㧮 㧮㧾㧾㨂㧵㧰㧱㧻㨅
㧔㧤ǡ㧤㨃㧕
㨀㧱㧾㧹㧵㧺㧭㧸 㨂㧵㧰㧱㧻㧝
㧼㧴㧜㧣㧢㧥㧝
㧺㨑㨍㨞㨑㨞㨠㨑㨞㨙㨕㨚㨍㨘
ᚻ೨஥┵ሶ
㧲㨡㨞㨠㨔㨑㨞㨠㨑㨞㨙㨕㨚㨍㨘
ᅏ஥┵ሶ
㧯㧻㧹㧼㧻㧿㧵㨀㧱 㧵㧺
REAR VIEW
Rear
Cover
RGB Input Terminals
Video Input Terminals
Speaker
Terminals
AC Inlet
AC Switch
zInput terminal(D-sub connector)
PinNo Signal
1 Red Video, ( PR/CR )
2 Green Video (Sync. optional), (Y)
3 Blue Video (PB/CB)
4 No connection
5 No connection
6 Red Ground ( PR/ CRGround)
7 Green Ground ( Y Ground)
8 Blue Ground ( PB/ CBGround)
9 No connection
10 Ground
11 No connection
12 [SDA]
13 H.Sync. or H/V composite
14 V.Sync. [V.CLK]
15 [SCL]
Message table
☛Onscreen display
Indication Condition
The monitor indicates the
message
“NO SYNC SIGNAL”.
The monitor detects no sync signal.
The monitor indicates the
message
“POWER SAVE”.
After a state whereby it does not sense a sync signal for 5 seconds
continued.
The monitor indicates the
message
“OUT OF FREQUENCY”.
The monitor detects a sync signal which is out of specification, or
unstable.
4
()
:with RGB component input.

5. Trouble shooting
5.1 Trouble Shooting of Plasma Monitor
5
55
5
Are
Voltage
applied to pins ԛԞ,Ԣ(PW01)
of the Signal PWB
ԛ+12V
Ԟ+6V
Ԣ+4.5V
ԠGND
Signal PWB
AC/DC
Power unit
No
Yes
Power can not be turned on
(
LED is not li
g
ht
)
Is the input voltage
applied to the AC/DC
Power unit ?
(CN61 Ԙ,Ԛ)
AC inlet Power switch AC Fuse
F901 T6.3AH 250V
No
Yes
Speaker
Picture is displayed. But no sound
Are
Voltage
applied to pins Ԙ(PVA)
of the Audio PWB
No
AC/DC
Power unit
Yes
Ԙ+22㨪28V
ԛGND
No
Are
there signals on
Speaker Terminals
Yes Audio PWB
Are Signal
applied to
pin Ԝԟ and ԠԢ
(PVA1)of the Audio PWB
No
Signal PWB
Yes
FILTER PWB

6
66
6
Yes
No
Are Voltages
of the pin Ԙ㨮ԡ(CN64)
on the AC/DC Power
unit collect ?
Ԙ+50㨪70V
ԡ+75㨪90V
ԝGND
Is Voltage
of the pin Ԙ(CN68)
on the AC/DC Power
unit collect ?
No
Ԙ+3V
ԚGND
Yes Panel
Module
Panel Module
AC/DC
Power unit
No
No
Is the LED red or
green/orange
Picture is not dis
p
la
y
ed
(
LED is li
g
htin
g)
Do the Fans
rotate?
red
green/orange Are
Voltage
applied to pins Ԟ(PW01)
of the Signal PWB
No
AC/DC
Power unit
Yes
Is pinԘof
CN304 and PFAN1
7V more?
No
DC Fan
Yes
AC/DC Power
unit or Signal
PWB
Is Voltage
of the pin ԝ(CN68)
on the AC/DC Power
unit 5V
Yes
AC/DC
Power unit
Ԟ+6V
ԠGND
Yes
Is it the powe
r
saving mode?
Signal PWB
No
Yes
Input signal Cable
or Signal PWB

5.2 Trouble Shooting of Panel Module from the point view of Fault Symptom
NO
Fault
contents
Fault status Suspected fault
location
Analysis
procedure
and measure
1After momentarily going
on, the screen becomes
black immediately or after
a few seconds. (Main
power is turned off.)
X-SUS
Y-SUS
Panel chassis
LOGIC
ABUSL
ABUSR
2
Entire
screen does
not light.
Screen lights dimly even
on the back screen.
LOGIC Replace LOGIC
board
3 Single vertical line (of
different color)
Panel chassis
LOGIC
4
Vertical line
Vertical line from the
middle of effective scan
area (Vertical line of
different color)
Panel chassis Replace panel
chassis
5Bar width of 1/7 of
horizontal size or in
multiples of 1/7, is
displayed. Abnormal
display.
Panel chassis
ABUSL
ABUSR
LOGIC
Above boards are
connected.
6
Vertical bar
Bar width of 3/7 or 4/7 of
the screen width, is
displayed. Abnormal
display. (Vertical line of
different color)
ABUSL
ABUSR
LOGIC
Above boards are
connected.
7 Horizontal
line
Single horizontal line (No
light) Or single horizontal
line does not light among
the effective scanning
area.
Single horizontal line
does not light.
Panel chassis Replace panel
chassis
8 Horizontal
bar
Bar width of 1/8 or
multiples of 1/8 of the
screen height, is
displayed.
Abnormal (Screen does
not light)
Panel chassis Replace panel
chassis
9Bar width of 1/2 of the
screen height.
Abnormal display
(Screen does not light)
Panel chassis
Y-SUS
X-SUS
Above boards are
connected.
7

NO
Fault
contents
Fault status Suspected
fault
location
Analysis procedure
and measure
10 Image
sticking
Fixed display contents
are always displayed.
Panel
chassis
Perform all white heat
run. After judgment,
replace panel chassis
11 Stains Oval-shaped points
having abnormal
luminance are scattered
in the upper or lower part
of screen.
Panel
chassis
Perform all white heat
run. After judgment,
replace panel chassis
ABCDE
8

9
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10
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11
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12
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CMP
4121HDE-
302/303S
42PMA
400E/ A/B
CMP
4202U/ E
CMP
4203W/ W1
CMP4121HDU-
512/512S/
512SH/512SA
CMP
4201U
4201J
CMP
4201J 1
Sheet No. 1
5.4 Checking serial ID number of Panel Module (14 digits)
The serial ID number of the panel module that is brought in for service and that of the completedpanel
chassis has the structure as shown below.
Version No.: 01-99
Production week code: 01-53
Product code: P7A model 42 type
Production year (low digit): 0-9
Lot No.: 001-999
A-Z (excluding I and O)
51---H1 panel, 71,75---H2 panel
P7A 2 36 131D2 01 - 51
A-Z (excluding I and O)
1-3
Label
Panel Module
13
Model
Panel
H1 panel
H2 panel
Module
Module
Module
The serial ID number is shown on the bar code label that is attached to the rear of the chassis (aluminum).
Rear View
( Amend )
This sheet shown after change

14
PANEL MODULE
PANEL MODULEPANEL MODULE PANEL MODULE (REAR VIEW)
RS232C
M
MM MFN
FNFN FN2
22 2
(FAN2)
(FAN2)(FAN2) (FAN2)
POWER SW
POWER SWPOWER SW POWER SW
FAN CONNECTOR
FILTER
FILTERFILTER FILTER
POWER
POWERPOWER POWER (AC
(AC(AC (AC-
-- -DC)
DC)DC) DC)
LED
LEDLED LED/RECEIVER
/RECEIVER/RECEIVER /RECEIVER
TACT SW
TACT SWTACT SW TACT SW
SIGNAL
SIGNALSIGNAL SIGNAL
JOINT
JOINTJOINT JOINT
PS
PSPS PS F P001
F P001F P001 F P001
P
PP PV1
V1V1 V1
STB +5V
+4.5V +5.6V +12V
+25V
+9V +12V STB +5V
A+5V
+12V
REG.
REG.REG. REG. 60V(Va)
82V(Vs)
REG.
REG.REG. REG. 25V
12V
10㨪12V
5V(Vcc)
STAND
STANDSTAND STAND-
-- -BY
BYBY BY. 5.6V
REG.
REG.REG. REG. 4.5V,
3.3V
P
PP PVA
VAVA VA
AC
ACAC AC INLET
INLETINLET INLET
AC100V㨪240V
VIDEO 2
VIDEO 2VIDEO 2 VIDEO 2
AUDIO
AUDIOAUDIO AUDIO
INPUT
INPUTINPUT INPUT
VIDEO 1
VIDEO 1VIDEO 1 VIDEO 1
INPUT
INPUTINPUT INPUT
(COMPOSITE)
(COMPOSITE)(COMPOSITE) (COMPOSITE)
RGB 1
RGB 1RGB 1 RGB 1
AUDIO
AUDIOAUDIO AUDIO
INPUT
INPUTINPUT INPUT
(RS
(RS(RS (RS232C)
232C)232C) 232C)
RGB 1
RGB 1RGB 1 RGB 1
INPUT
INPUTINPUT INPUT
RGB 2
RGB 2RGB 2 RGB 2
INPUT
INPUTINPUT INPUT
VIDEO 1
VIDEO 1VIDEO 1 VIDEO 1
INPUT
INPUTINPUT INPUT
(S
(S(S (S-
-- -VIDEO)
VIDEO)VIDEO) VIDEO)
VIDEO 2
VIDEO 2VIDEO 2 VIDEO 2
INPUT
INPUTINPUT INPUT
(COMPONENT)
(COMPONENT)(COMPONENT) (COMPONENT)
AUDIO L,R
AUDIO L,RAUDIO L,R AUDIO L,R
RGB 2
RGB 2RGB 2 RGB 2-
-- -IN(
IN(IN( IN(D
DD D-
-- -Sub15P
Sub15PSub15P Sub15P )
)) )
SIGNAL FLOW
SIGNAL FLOW SIGNAL FLOW SIGNAL FLOW
VOLTAGE SUPPLY FLOW
VOLTAGE SUPPLY FLOW VOLTAGE SUPPLY FLOW
VOLTAGE SUPPLY FLOW
CONNECTOR
CONNECTOR CONNECTOR CONNECTOR
CIRCUIT BOARD
CIRCUIT BOARD CIRCUIT BOARD CIRCUIT BOARD
RGB
RGB RGB RGB
AUDIO L,R
AUDIO L,RAUDIO L,R AUDIO L,R
STB +5V Pk01
Pk01 Pk01 Pk01 PSC1
PSC1PSC1 PSC1
P
PP PL01
L01L01 L01
PSC2
PSC2PSC2 PSC2
VIDEO 1
VIDEO 1VIDEO 1 VIDEO 1
AUDIO
AUDIOAUDIO AUDIO
INPUT
INPUTINPUT INPUT
RGB 2
RGB 2RGB 2 RGB 2
AUDIO
AUDIOAUDIO AUDIO
INPUT
INPUTINPUT INPUT
L+
L+L+ L+
GND
GNDGND GND
R+
R
+
R
+
R+
EXT.
EXT.EXT. EXT.
SPEAKER
SPEAKERSPEAKER SPEAKER
terminal
terminalterminal terminal
6. BLOCK DIAGRAM (CMP4121HD/CMP420*/42PMA400*)
CN30
CN30CN30 CN30
PFAN1
PFAN1PFAN1 PFAN1
PF1
PF1PF1 PF1
VIDEO 1
VIDEO 1VIDEO 1 VIDEO 1
OUT
OUTOUT OUTPUT
PUTPUT PUT
AC100V㨪240V
CN66
CN66CN66 CN66 CN64
CN64CN64 CN64 CN68
CN68CN68 CN68 CN65
CN65CN65 CN65 CN67
CN67CN67 CN67
CN23
CN23CN23 CN23
CN42
CN42CN42 CN42
CN52
CN52CN52 CN52
CN6
CN6CN6 CN6
CN33
CN33CN33 CN33
CN32
CN32CN32 CN32 CN22
CN22CN22 CN22
CN7
CN7CN7 CN7
CN1
CN1CN1 CN1
PP01
PP01PP01 PP01
CN69
CN69CN69 CN69
ADDRESS
ADDRESS ADDRESS ADDRESS BUS L
BUS L BUS L BUS L
LOGIC
LOGICLOGIC LOGIC
Y
YY Y-
-- -SUS
SUSSUS SUS X
XX X-
-- -SUS
SUSSUS SUS
ADDRESS BUS R
ADDRESS BUS RADDRESS BUS R
ADDRESS BUS R
PA
PAPA PAV1
V1V1 V1
AUDIO
AUDIOAUDIO AUDIO
SP L
SP LSP L SP L
SP R
SP RSP R SP R
PAS3
PAS3PAS3 PAS3
PAS4
PAS4PAS4 PAS4
PAS1
PAS1PAS1 PAS1
PW0
PW0PW0 PW0
+4.5V +5.6V STB +5V
P
PP PW01
W01W01 W01
CN101
CN101CN101 CN101
PVA
PVAPVA PVA
CN
CNCN CN10
1010 102
22 2
PFA
PFAPFA PFA
CN61
CN61 CN61 CN61
+12V
+12V+12V +12V
PA
PAPA PA01
0101 01
VIDEO
VIDEOVIDEO VIDEO
MFN1
MFN1MFN1 MFN1
(FAN1)
(FAN1)(FAN1) (FAN1)
P
PP P002
002002 002
P
PP PSE
SESE SE
GND
GNDGND GND
to
toto to
chassis
chassischassis chassis

7. Disassembly diagram
(1) Remove Back Cover
Lay down the Plasma display so that
the face is down on the soft thick (over
50mm) cushion.
Be careful not to be damaged the face
of Front Filter.
Remove 28screws(a) then remove
Back Cover.
At this time be careful not to be
damaged edges of Back Cover and its
coated face.
(2) Remove Filter PWB
Remove 2screws(b) and remove
"Insulation Cover".
Remove 2screws(c) of earth wires.
Disconnect PFA(EV-6P) and
PF1(EV-3P) connectors.
Remove 2screws(d) of AC Power
Switch Folder and remove 4screws(e)
and remove Filter P.W.B.
Remove 2 screws(f) and remove AC
Power Switch.
(3) Remove Signal PWB with PWB MTL,
;Signal PWB
Disconnect PP01(LVDS),
PW01(EH-13P), P001(FHR-50),
PA01(PH-13P),
PL01(PH-6P),PK01(PH-5P),PW02(
PH-7P),PFAN1(PH-3P)and
P002(PH-12P) connectors.
Be careful not to be damaged the PP01
and P001 connector holders.
Remove 4screws(i) then remove Signal
P.W.B with SIG PWB MTL.
(4)-1 Video Unit/JOINT PWB and
Audio PWB with PWB MTL.
;JOINT PWB
Disconnect PAV(PH-7P), PSE(PH-12P),
and PSF(FHR-50) connectors.
;Audio PWB
Disconnect PVA, PAS1, and PAV1
connectors.
Remove 6 screws(k) then remove
VIDEO PWB MTL.
(4)-2 VIDEO Unit
Remove 2screws(j) then pull out Video
Unit.
15
Screw(a)

28
AC Power SW
Screw(f)
Screw(b)
Screw(e)
Screw
(
c
)
Screw(c)
Screw(d) Insulation Cover
Filter PWB
SIGNAL P.W.B.
Screw(j)
Screw(i)
VIDEO Unit
Screw
(
k
)
JOINT P.W.B.
Audio P.W.B

(5) Remove Front Frame
Remove 18screws(m) then remove
Front Frame.
Be careful not to fall down the Front
Frame when remove 18screws(m).
(6) Remove Front Filter (Glass)
Remove 8screws(n), and remove Filter
Fix Metal then remove Front Filter.
When attach the new Front Filter to the
Front Frame, locating the conducting
electrode side to the inside, and attach
Filter Fix Metal.
(7) Remove Fan (MFN1)
Remove 1screw(o) and disconnect
PFAN1(PH-3P) connector,
then remove Fan. (only H1 panel)
(8) Remove Main Frame
Lay down the Plasma Display so that
the face is down on the soft thick (over
50mm) cushion. Be careful not to be
damaged the face of Display Panel.
Disconnect CN61(EV-6P) connector.
(H1 panel)
Remove 8 screws(q) and 5screws(r)
then disconnect CN1(LVDS) connector
which is attached Panel Module's Logic
Board. Remove Main Frame.
(H2 panel)
Remove 8 screws(q) then disconnect
CN1(LVDS) connector which is
attached Panel Module's Logic Board.
Remove Main Frame.
Screw(r)
Screw(n)8
Front Filter
Filter Fix Metal
Screw(m)18
16
Screw(r) Screw(r)
Screw(q)8
Screw(r)
Screw(r)
Screw(o)
Screw(q) Screw(q)
Screw(q)8
(
H1
p
anel
)
(
H2
p
anel
)

(9) Remove Power Unit P.W.B.
Disconnect CN101(EH-13P),
CN102(EH-6P)CN64(VH-10P),
CN65(VH-9P),CN66(PH-7P),
CN67(PH-7),CN68(PH-6P) and CN69
( FLAT Cable).
Be careful not to be damaged the
CN69 connector folder. Remove 10
screws(v) then remove Power Unit
P.W.B.
(10) Remove Fan (H1/H2 panel)
Disconnect CN304 connector.
Remove 2screws(p) then remove Fan
fix metal.
(11) Remove Panel LOGIC P.W.B.
Disconnect CN1, CN2, CN3, CN4, CN5,
CN6 and CN7 connectors. Be careful
not to be damaged the CN2, CN3, CN4,
CN5 and CN7 connector folders.
Remove 4screws(w) then remove
Panel LOGIC P.W.B.
(12) Remove Panel X-SUS P.W.B.
Disconnect CN21, CN22 and CN23
connectors. Be careful not to be
damaged the CN21 connector folder.
Remove 9screws(x) then remove Panel
X-SUS P.W.B. pulling out from CN24
and CN25 connectors.
(13) Remove Panel Y-SUS P.W.B.
Disconnect CN31, CN32 and CN33
connectors. Be careful not to be
damaged the CN31 connector folder.
CN34 and CN35 connector Remove 9
screws(y) then remove Panel Y-SUS
P.W.B. pulling out from CN34 and
CN35 connectors
(14) Remove Panel ABUS R P.W.B
Disconnect CN41, CN42, CN43, CN44, CN45 and CN46
Connectors. Be careful not to be damaged the CN41,
CN43, CN44, CN45 and CN46 connectors folders.
Remove 11 screws (z2), then remove Panel ABUS R P.W.B.
(15) Remove Panel ABUS L P.W.B
Disconnect CN51, CN52, CN53, CN54, CN55 and
CN56 connectors. Be careful not to be damaged
the CN51, CN53, CN54, CN55 and CN56 connector folders.
Remove 11 screws (z1), then remove Panel ABUS L P.W.B.
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Screw(w)4
Screw(z1)11 Screw(z2)11
Screw
(y)
9
Power Unit
Y SUS
LOGIC
Screw(v)10 Screw
(
x
)
9
ABUS L ABUS R
X SUS
Screw(p)2

8. Re-Adjustment
䌁䌦䌴䌥䌲 changing the Panel Module, re-adjustment is needed according to the item 8.1.to 8.5.
For Power Unit, item 8.1; for Signal Board, item 8.2 to 8.5* and for Video Board, item 8.2,
8.4,8.5 are needed.
It is recommended to start re-adjustment after 30 minutes warm-up with the Burn-in signal.
*) When it is not inserted into VIDEO Unit of optional Board in Signal Board replacement,
VIDEO Unit becomes necessary. In this case, insert the dummies' VIDEO unit and execute the above
adjustment item.
How to set to Burn-in signal
(red, green, blue, white, yellow, cyan, magenta, black signal)
Turn off the sub power button (or power button on the Remote Controller), then turn on the
SUB POWER button for more than 5 seconds while you keep pushing VOLUMEٕand
RECALL buttons located on the bottom of the set.
When you fall out from Burn-in mode, turn off the sub power button (or power button on the
Remote Controller),then turn on the SUB POWER button for more than 5 seconds while you
Keep pushing VOLUMEٕbutton located on the bottom of the set.
8.1 Vs and Va voltage adjustment on Power Unit
How to prepare
1.Connect the DC Voltmeter to the Vs test point and
the GND point (or the Va test point and the GND point)
on the Power Unit.
2.Connect VGA (75), no-setup, and all black signal to
RGB input terminal.
3.Check the amount of Vs and Va voltages printed on the
label located lower left side on the Panel Module.
How to adjust
1.If the difference of the printed voltage of Vs and the
value of DC Voltmeter of Vs is over ±0. 4 V, adjust
the Vs ADJ Volume located upward on the Power Unit
to within ±0. 4 V.
2. If the difference of the printed voltage of Va and the
value of DC Voltmeter of Va is over ±0. 4 V, adjust
the Va ADJ Volume located upward on the Power Unit to within ±0. 4 V.
Power
Unit
X-sus
Y-sus
Label
Rear View
Panel Module
PIN501 Vs
PIN502 GND
VR51Vs ADJ.(IC591)
PIN301 Va
VR51 Va ADJ.(IC391)
Power Unit
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8.2 Personal Computer (PC) input and Video input Automatic amplitude adjustment
How to set to service adjustment mode
Turn off the sub power button (or power button on the Remote Controller),
Then turn on the SUB POWER button for more than 5 seconds while you keep pushing
INPUT SELECT and RECALL buttons located on the bottom of the set.
Preparation
1. Indicate service adjustment mode.
2. Select SHIP.2, then press [RECALL] button more than 3 seconds by Remote Controller.
(The screen disappears, and EEPROM is initialized.)
A service adjustment mode screen appears after initialization end again.
* : Select items : Press [ 䂥
䂥䂥
䂥,ٕ
ٕٕ
ٕ] botton of Remote Controller.
Adjust Data : Press [ , ] botton of Remote controller.
Memorize the data : Press [ ENTER] botton of Remote controller.
Adjustment Signal
How to adjust (VIDEO input)
1.Input 525p(480p) adjustment signal into VIDEO2 input terminal.
2.Change CONTRAST of the MENU screen from DYNAMIC to LINEAR.
3.Service adjustment mode screen again
4.Select No.259. (RGB ADJ.)
5.Press [ENTER] button more than 2 seconds. * Start the automatic adjustment.
6.Complete the adjustment after disappear ADJUSTMENT indication.
7.Change CONTRAST of the MENU screen from LINER to DYNAMIC again.
How to adjust (PC input)
1.Input VGA (60Hz) adjustment signal into RGB input terminal.
2.Indicate service adjustment mode.
3.Select No.259. (RGB ADJ.)
4.Press [ENTER] button more than 2 seconds. * Start the automatic adjustment.
5.Complete the adjustment after disappear ADJUSTMENT indication.
*Never adjust without use our specify signal.
If press [ENTER]button at No.259 by mistake, the picture becomes abnormal (Black level,
Contrast and Color.)
Black White
0.7V
*Fig.1 Adjustment Signal
Black pattern : Set pedestal level.
This signal must not insert character.
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8.3 Color temperature adjustment for PC
How to prepare
1.Set signal generator output signal to Full White.
2.Signal condition
VGA (75): 0.7Vp-p, Set up level: 0V
3.Input the signal into RGB (D-sub) terminal.
4.Set Picture setting up to reference.
How to adjust
1.Indicate service adjustment mode and adjust as follows by Remote Controller.
2.Measurement probe of CRT Color Analyzer CA-100 is set on the center of screen.
3.Adjust color temperature as follows by reducing one or two numbers of No.9, 10, 11.
(At least one of these datas should be 255.)
PC color temperature (COOL)
x=0.285㫧
㫧㫧
㫧0.005, y=0.294㫧
㫧㫧
㫧0.005, at 9300 K
4. Adjust color temperature as follows by reducing one or two numbers of No.12, 13, 14.
(At least one of these datas should be 255.)
PC color temperature (NORMAL)
x=0.300㫧
㫧㫧
㫧0.005, y=0.298㫧
㫧㫧
㫧0.005, at 7600 K
5.Adjust color temperature as follows by reducing one or two numbers of No.15, 16, 17.
(At least one of these datas should be 255.)
PC color temperature (WARM)
x=0.314㫧
㫧㫧
㫧0.005, y=0.327㫧
㫧㫧
㫧0.005, at 6500 K
Suggestion
1.Luminance of panel surface is less than 20 lux to arrange adjustment environment.
2.Adjstment is reduce value adjustment only. (Impossible to increase value adjustment.)
3.Color select mode is automatically set to COOL while adjustment No.9, 10 and 11.
4.Color select mode is automatically set to NORMAL while adjustment No.12, 13 and 14.
5.Color select mode is automatically set to WARM while adjustment No.15, 16 and 17.
8.4 Color temperature adjustment for Video
How to prepare
1.Set signal generator output signal to Full White.
2.Signal condition
480i/60Hz Component signal
Video level: 0.714Vp-p,
Sync level: 0.286Vp-p
Set up level: 0V
3.Input the signal into VIDEO2 terminal.
4.Set Picture setting up to reference.
5.Make sure that CONTRAST is LINEAR.
6.Do after color temperature adjustment of PC.
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