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42PD380TA
SERVICE MANUAL
42" PLASMA COLOR TELEVISION
ORIGINAL
MFR'S VERSION A
Design and specifications are subject to change without notice.
SERVICING NOTICES ON CHECKING
1. KEEP THE NOTICES 11.When you remove the cover, do not scratch the
FPC on both ends of PDP Module.
As for the places which need special attentions,
12.Hold the four ends holder and be careful not to
they are indicated with the labels or seals on the
touch the glass area.
cabinet, chassis and parts. Make sure to keep the
13.Take care for the damage of vacuum exhaust
indications and notices in the operation manual.
pipe due to a collision.
2. AVOID AN ELECTRIC SHOCK 14.Moisture condensation may damage the PDP
There is a high voltage part inside. Avoid an Module.
electric shock while the electric current is So, leave it for 48 hours at the service room.
flowing.
5. PUT PARTS AND WIRES IN THE
3. USE THE DESIGNATED PARTS ORIGINAL POSITION AFTER
The parts in this equipment have the specific ASSEMBLING OR WIRING
characters of incombustibility and withstand There are parts which use the insulation
voltage for safety. Therefore, the part which is material such as a tube or tape for safety, or
replaced should be used the part which has which are assembled in the condition that
the same character. these do not contact with the printed board.
Especially as to the important parts for safety The inside wiring is designed not to get closer
which is indicated in the circuit diagram or the to the pyrogenic parts and high voltage parts.
table of parts as a mark, the designated Therefore, put these parts in the original
parts must be used. positions.
4. BE CAREFUL WITH THE PDP PANEL 6. PERFORM A SAFETY CHECK AFTER
1. When you handle the PDP Filter you must SERVICING
wear the gloves twice, because, you are to
Confirm that the screws, parts and wiring which
avoid soil it by your sweat and dust.
were removed in order to service are put in the
2. When you lift the PDP Filter you should hold it
original positions, or whether there are the
with the palm of your hand.
portions which are deteriorated around the
Don't pick up it with your fingers.
serviced places serviced or not. Check the
3. The back side of PDP Filter tends to damaged.
insulation between the antenna terminal or
Since there is no coating.
external metal and the AC cord plug blades.
Therefore, it put into the packing box at the
And be sure the safety of that.
time of delivery, without piling up even at the
time of unused. (INSULATION CHECK PROCEDURE)
Also, when you take out it from a packing box, 1. Unplug the plug from the AC outlet.
be careful of the rubbing. 2. Remove the antenna terminal on TV and turn
4. When the surface becomes dirty, wipe it with a on the TV.
soft cloth as you draw a circle. 3. Insulation resistance between the cord plug
When it is dirty hardly, wipe it with a cloth terminals and the eternal exposure metal
ethanol infiltrated. [Note 2] should be more than 2.5M ohm by
Don't use ethanol for the back side. using the 500V insulation resistance meter
5. Do not apply it to direct sunshine so that the [Note 1].
characteristic may change. 4. If the insulation resistance is less than 2.5M
6. When you inspect the surface (the scratch, the ohm, the inspection repair should be
dirt and the air bubble), use the fluorescent required.
light.
[Note 1]
7. When you use SCREW DRIVER and SCREW,
be careful of a metallic powder being mixed. If you have not the 500V insulation
8. Do not damage the PDP Module with a resistance meter, use a Tester.
DRIVER. [Note 2]
9. Do Handling with the PDP Module by 2 External exposure metal: Antenna terminal
persons. Screw
10.There is a step difference between the cover 21pin jack
and PDP Module. Side RCA jack
So, when you remove the screws, place a Rrar RCA jack
cushion on it so that the PDP Module is not Headphone jack
being scratched.
Then remove the screws carefully.
A1-1
HOW TO ORDER PARTS
Please include the following informations when you order parts. (Particularly the VERSION LETTER.)
1. MODEL NUMBER and VERSION LETTER
The MODEL NUMBER can be found on the back of each product and the VERSION LETTER can be
found at the end of the SERIAL NUMBER.
2. PART NO. and DESCRIPTION
You can find it in your SERVICE MANUAL.
IMPORTANT
When you exchange IC and Transistor with a heat sink, apply silicon grease (YG6260M) on the contact
section of the heat sink. Before applying new silicon grease, remove all the old silicon grease.
(Old grease may cause damage to the IC and Transistor).
PANEL LOCK
To unlock the Password of Panel Lock, please follow the steps below.
1. Turn Unit ON.
2. Press and hold the `VOLUME DOWN' key on the front panel for more than 10 seconds.
3. The Panel Lock has now been cleared.
4. Press and hold the `VOLUME DOWN' key on the front panel.
5. Simultaneously press and hold the `0' key on the remote control unit.
6. Hold both keys for more than 2 seconds.
7. The Password of Panel Lock has now been cleared.
A1-2
CONTENTS
SERVICING NOTICES ON CHECKING ...................................................................................................... A1-1
HOW TO ORDER PARTS ........................................................................................................................... A1-2
IMPORTANT ................................................................................................................................................ A1-2
PANEL LOCK .............................................................................................................................................. A1-2
CONTENTS ................................................................................................................................................. A2-1
GENERAL SPECIFICATIONS .................................................................................................................... A3-1~A3-6
DISASSEMBLY INSTRUCTIONS
1.EXCHANGE METHOD OF PDP MODULE ......................................................................................... B1-1~B1-10
2.REMOVAL AND INSTALLATION OF FLAT PACKAGE IC ............................................................... B2-1, B2-2
SERVICE MODE LIST ................................................................................................................................. C-1
CONFIRMATION OF HOURS USED .......................................................................................................... C-1
WHEN REPLACING EEPROM (MEMORY) IC ........................................................................................... C-2~C-31
FUNCTION OF PCB .................................................................................................................................... C-32
ELECTRICAL ADJUSTMENTS .................................................................................................................. D-1~D-5
TROUBLESHOOTING GUIDE .................................................................................................................... E-1~E-5
BLOCK DIAGRAM
SCALER/LVDS/MICON/ADC/JACK/SIDE JACK/AV SWITCH 1/REGULATOR .................................... F-1, F-2
AV SWITCH 2/TUNER/21PIN/STEREO/SOUND AMP .......................................................................... F-3, F-4
POWER .................................................................................................................................................. F-5, F-6
INTERFACE ............................................................................................................................................ F-7, F-8
MICON2 .................................................................................................................................................. F-9, F-10
PRINTED CIRCUIT BOARDS
AV/OPERATION/POWER SW/SIDE JACK ............................................................................................ G-1, G-2
AV/OPERATION/SIDE JACK ................................................................................................................. G-3, G-4
SCALER .................................................................................................................................................. G-5, G-6
HD-MI ...................................................................................................................................................... G-7, G-8
SCHEMATIC DIAGRAMS
AV SWITCH 2 ......................................................................................................................................... H-1, H-2
AV ........................................................................................................................................................... H-3, H-4
STEREO ................................................................................................................................................. H-5, H-6
POWER .................................................................................................................................................. H-7, H-8
OPERATION/SIDE JACK/POWER SWITCH ........................................................................................ H-9, H-10
SOUND AMP/HEADPHONE AMP ......................................................................................................... H-11, H-12
TUNER .................................................................................................................................................... H-13, H-14
MICON .................................................................................................................................................... H-15, H-16
SCALER .................................................................................................................................................. H-17, H-18
ADC ........................................................................................................................................................ H-19, H-20
LVDS ....................................................................................................................................................... H-21, H-22
JACK ....................................................................................................................................................... H-23, H-24
AV SWITCH ............................................................................................................................................ H-25, H-26
REGULATOR .......................................................................................................................................... H-27, H-28
INTERFACE ............................................................................................................................................ H-29, H-30
MICON2 .................................................................................................................................................. H-31, H-32
WAVEFORMS ............................................................................................................................................. I-1~I-3
MECHANICAL EXPLODED VIEW .............................................................................................................. J-1~J-4
MECHANICAL REPLACEMENT PARTS LIST .......................................................................................... K1-1
ELECTRICAL REPLACEMENT PARTS LIST ............................................................................................ K2-1~K2-3
A2-1
GENERAL SPECIFICATIONS
G-1 TV PDP PDP Size / Visual Size 41.58 inch / 1056.1 mmV
System Number of Pixels(H x V) 852(H) x 480(V)
Color System PAL/SECAM/NTSC
Speaker 4 Speaker
Position Front Side
Main Size 2.2 x 5.0 inch
Impedance 4 ohm
Tweeter Size 2.0 inch
Impedance 8 ohm
Sound Output MAX 10W + 10W
10%(Typical) ---
NTSC3.58+4.43 /PAL60Hz Yes
U.K., CCIR, US System
G-2 Tuning Broadcasting System
B/G, D/K, I/I, M
System Tuner and System 1Tuner
Receive CH Destination UK, CCIR Hyper, USA
CH Coverage 1~S6, S7~S36, S37~E69
Intermediate PAL/SECAM(U&VH)/NTSC
Frequency Picture(FP) 38.9/38.9/38.9/38.9MHz
Sound(FS) 33.4/32.9/32.4/34.4MHz
FP-FS 5.5/6.0/6.5/4.5MHz
Auto Tuning Method ALL Band (Not C.C.I.R. CH Plan)
Preset CH 110
Stereo/Dual TV Sound NICAM/A2 Dual
Tuner Sound Muting Yes
G-3 Power Power Source AC 100-240V AC 50/60Hz
DC ---
Power Consumption at AC 250 W at AC 100-240 V 50/60 Hz
at DC --
Stand by (at AC) 1 W at AC 100-240 V 50/60 Hz
Per Year -- kWh/Year
Energy Star Yes
Protector Power Fuse Yes
Safety Circuit Yes
IC Protector(Micro Fuse) No
G-4 Regulation Safety IEC60065,GOST, CB, AS/NZS, PSB
Radiation CISPR, GOST, AS/NZS, PSB
X-Radiation ---
G-5 Temperature Operation +5oC ~ +40oC
Storage -20oC ~ +60oC
G-6 Operating Humidity Less than 80% RH
A3-1
GENERAL SPECIFICATIONS
G-7 On Screen Menu (TV) Yes
Display Menu Type Icon
Picture Yes
Brightness Yes
Contrast Yes
Color Yes
Tint (NTSC, COMPONENT, HDMI) Yes
Sharpness Yes
DNR On/Off Yes
Color Temperature Yes
Blue Back No
Film Mode Yes
Audio Yes
NICAM Auto/Off Yes
Bass Yes
Treble Yes
Balance Yes
Perfect Volume Yes
Surround On/Off No
Speakers On/Off Yes
HDMI Yes
BBE No
WOW SRS 3D Yes
WOW Focus Yes
WOW Trubass Yes
Setup Yes
Auto Tuning Yes
Manual Tuning Yes
Sort(CH Allocation) Yes
Backlight No
Text Language Yes
Language Yes
Position (Vertical Position) Yes
Auto 4:3 Default No
AV2 Output No
AV2 Input No
Color System(AV Color) Yes
Inversion No
Screen Wipe(Full White) Yes
Screen Saver Yes
Static Image Yes
Option Yes
On Timer Yes
Off Timer Yes
Panel Lock Yes
Menu (PC) Yes
Picture Yes
Brightness Yes
Contrast Yes
HOR Position Yes
VER Position Yes
Clock Phase Yes
Horizontal Clock Yes
AUTO ADJUST No
Amplitude Red Yes
Amplitude Green Yes
Amplitude Blue Yes
WXGA Mode Yes
WVGA Mode Yes
Audio Yes
NICAM Auto/Off No
Bass Yes
Treble Yes
Balance Yes
Perfect Volume Yes
Surround On/Off No
Speakers On/Off Yes
HDMI Yes
BBE No
WOW SRS 3D Yes
WOW Focus Yes
WOW Trubass Yes
A3-2
GENERAL SPECIFICATIONS
Control Level Yes
Volume Yes
Brightness Yes
Contrast Yes
Color Yes
Tint (NTSC Only) Yes
Sharpness Yes
Tuning Yes
Bass Yes
Treble Yes
Balance Yes
HOR Position Yes
VER Position Yes
Clock Phase Yes
Horizontal Clock Yes
Amplitude Red Yes
Amplitude Green Yes
Amplitude Blue Yes
Backlight No
Nicam ST Yes
Tone 1/2 Yes
Pin Code No
Freeze No
CH/AV/PC Yes
Hotel Lock No
Wide Mode Yes
Sleep Timer Yes
Sound Mute Yes
Input Select Yes
NOT AVAILABLE Yes
G-8 OSD Language English / Chinese(Simplified) /
Chinese(Traditional) / Russia
G-9 Clock and Sleep Timer Max Time 120 Min
Timer Step 10 Min
On/Off Timer Program(On Timer / Off Timer) 1 Program
Wake Up Timer No
Timer Back-up (at Power Off Mode) more than -- Min Sec
A3-3
GENERAL SPECIFICATIONS
G-10 Remote Unit RC-MA
Control Glow in Dark Remocon No
Remocon Format HITACHI
Format HITACHI
Custom Code 50-AF h
Power Source Voltage(D.C) 3V
UM size x pcs UM-4 x 2 pcs
Total Keys 32
Keys Power ( Stand By ) Yes
1 Yes
2 Yes
3 Yes
4 Yes
5 Yes
6 Yes
7 Yes
8 Yes
9 Yes
0 Yes
Volume Up / Right Yes
Volume Down / Left Yes
Sleep Yes
Recall (CH Call) Yes
Menu Yes
Enter Yes
Mute Yes
Picture Size Yes
Fine Tuning + No
Fine Tuning - No
Input Select Yes
Multi Picture No
Picture Position No
Picture Main/Sub No
T'TEXT Keys TEXT / MIX / TV Yes
CH Up / Page Up / Up Yes
CH Down / Page Down / Down Yes
Red Yes
Green Yes
Yellow Yes
Blue Yes
F/T/B(Expand) / Normal Yes
Reveal / Skip Yes
Reset / Audio 1/2 Yes
Hold / Status Yes
Sub Page / Quick View Yes
G-11 Features Auto Shut Off Yes
BBE No
SRS WOW(SRS 3D/Focus/Tru Bass) Yes
Variable Audio Out Yes
Auto Search Yes
CH Sort(CH Allocation) Yes
Channel Lock No
Just Clock Function No
Game Position No
CH Label No
T'Text Yes
Text type Fastext / Toptext
Text Language English , French, Swedish, Hungarian
Finnish, Turkish, German, Dutch
Portuguese, Spanish, Italian, Greek
Polish, Russian, Bulgarian,
Serbian, Croatian, Slovene,
Czech, Slovakian, Rumanian.
Wide Mode Yes
Picture Scroll Yes
DNR Yes
3D
Comb Filter Yes
5 Lines
Surround No
Backlight No
Perfect Volume(Stable Sound) Yes
PFC(Power Factor circuit) Yes
Auto Set Up No
Power On Memory Yes
Hotel Lock No
PC Monitor Input Yes
Freeze frame No
A3-4
GENERAL SPECIFICATIONS
G-12 Accessories Owner's Manual Language English / Chinese(Simplified) /
Chinese(Traditional) / Russia
w/Guarantee Card No
Remote Control Unit Yes
Rod Antenna No
Poles -
Terminal -
Loop Antenna (W/ Antenna Change Plug) No
Terminal -
U/V Mixer No
DC Car Cord (Center+) No
Guarantee Card No
Warning Sheet No
Circuit Diagram No
Antenna Change Plug No
Service Facility List No
Important Safeguard No
Dew/AHC Caution Sheet No
Quick Set-up Sheet No
Battery Yes
UM size x pcs UM-4 x 2 pcs
OEM Brand Yes(Maxell)
AC Adapter No
AC Cord (for AC Adapter) No
AC Cord Yes
AV Cord (2Pin-1Pin) No
HDMI-DVI Cable No
Registration Card No
300 ohm to 75 ohm Antenna Adapter No
G-13 Interface Switch Front Sub Power (Tact) Yes
System Select No
Main Power SW No
Channel Up/Menu Up Yes
Channel Down/Menu Down Yes
Volume Up/Menu > Yes
Volume Down/Menu < Yes
Input Select Yes
Menu No
Rear Main Power SW Yes
Indicator Power / Stand-by Yes(GREEN / RED)
On Timer No
Terminals Rear Video Input 1 RCA x 1
Audio Input RCA x 2(L/MONO, R)
S- Input Yes
Video Input 2 RCA x 1
Audio Input RCA x 2(L/MONO, R)
S- Input Yes
Video Output RCA x 1
Audio Output RCA x 2(Variable L, R)
Component In 1 RCA x 3
Audio Input (Component In use) RCA x 2(L/MONO, R)
Component In 2 RCA x 3
Audio Input (Component In use) RCA x 2(L/MONO, R)
Other Terminal No
Euro Scart (21Pin) No
HDMI Input(w/ Analog Audio L/R) Yes
Sub Woofer Out No
PC Monitor Input (D-Sub) Yes
Audio Input Mini Pin Jack(d=3.5), STEREO
Diversity No
Ext Speaker No
DC Jack 12V(Center +) No
VHF/UHF Antenna Input DIN Type
AC Inlet Yes
Side Video Input 3 RCA x 1
Audio Input RCA x2(L/MONO,R)
S- Input Yes
Other Terminal Headphone
G-14 Set Size Approx. W x D x H (mm) 1,210 x 115 x 658
G-15 Weight Net Approx. 34.0kg (75.0 lbs)
Gross Approx. 41.0kg (90.4 lbs)
A3-5
GENERAL SPECIFICATIONS
G-16 Carton Master Carton No
Content --- Sets
Material --- / ---
Dimensions W x D x H(mm) ---
Description of Origin ---
Gift Box Material Double/Brown
Dimensions W x D x H(mm) 1,320 x 380 x 780
Design As per Buyer's
Description of Origin No
Natural Dropping At 1 Corner / 3 Edges
Drop Test
/ 6 Surfaces
Height (cm) 31(ORION SPEC:25)
Container Stuffing 158 Sets/40' container
G-17 Material Cabinet Cabinet Front PC+ABS 94V0 Non-Halogen
Cabinet Rear Steel
PCB Non-Halogen No
Eyelet Yes
G-18 Environment Environmental standard requirement Green procurement of HITACHI
Pb-free Phase3(Phase3A)
WEEE No
A3-6
DISASSEMBLY INSTRUCTIONS
1. EXCHANGE METHOD OF PDP MODULE
NOTE
1. Do handling with the PDP Module by 2 persons.
REMOVAL METHOD OF PDP MODULE
1-1: CABINET BACK/COVER BACK
1. Remove the screw.
2. Remove the Cabinet Back and Cover Back. Cabinet Back
Cover Back
1-2: CHASSIS BLOCK
1. Disconnect the connector.
2. Remove the screw.
3. Remove the Chassis Ass'y.
Chassis Ass'y
B1-1
DISASSEMBLY INSTRUCTIONS
1-3: PDP MODULE
1. Remove the Tape.
2. Remove the screw.
3. Hold the Frame Main carefully and remove the PDP Module.
NOTE
1. When remove the PDP Module, raise the cushion carefully so that having a scratch on the face.
PDP Module
Frame Main Frame Main
Raise the cushion.
B1-2
DISASSEMBLY INSTRUCTIONS
1-4: PDP FILTER
1. Remove the Operation PCB.
2. Remove the screw.
3. Remove the Shield Main.
4. Remove the PDP Filter.
Shield Main Top
Shield Main L
Shield Main R
Operation PCB
Shield Main Bottom
PDP Filter
B1-3
DISASSEMBLY INSTRUCTIONS
INSTALLATION METHOD OF PDP MODULE
NOTES FOR NEW PDP FILTER HANDLING
1. When you handle the PDP Filter you mast wear the gloves twice, because, you are to avoid soiling it by your sweat and dust.
2. When you lift the PDP Filter you put it between the palm of your hand. Don't pick up it with your fingers.
3. The back side of PDP Filter tends to set damaged. Since there is no coating. There fore, it put into the packing box at the
time of delivery, without piling up even at the time of unused. Also, when you take out it from a packing box, be careful of the
appearance which can not rub it.
4. When the surface becomes dirty, be the cloth out of which it is soft and dust does not come, and as you draw a circle, wipe it.
When hard dirty, infiltrate ethanol etc. into cloth lightly and wipe. Don't use ethanol for the back side.
5. Do not apply it to direct sunshine so that the characteristic may change.
6. When you inspect the scratch and the dirt, the air bubble of the PDP Filter surface that use the light.
1-5: PDP FILTER (PREPARATION)
1. Fix the Cusion. (Order the cushion newly.)
87654321098765432121098765432109876543210987654321
87654321098765432121098765432109876543210987654321 Cushion
21
21 21
Cushion 21 21
21
21
21
21
21 21 Cushion
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21 21
21 Rear side (No coating) 21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21 21
21 21
21 21
21
21
987654321098765432121098765432109876543210987654321
987654321098765432121098765432109876543210987654321
987654321098765432121098765432109876543210987654321
Cushion
4321
432 [4 ends common]
4321
43211
4321
4321
4321
4321
Apply the cushion on
4321
4321
the light brown paint
4321
4321
with a 3mm blank.
4321
4321
4321
4321
4321
4321
4321
4321
4321
4321
4321
4321
4321
4321
4321
5443219876543210987654321
3210
4321
5443219876543210987654321
3210
5443219876543210987654321
33219876543210987654321
544210
3210
4321
4321 3mm
3mm
B1-4
DISASSEMBLY INSTRUCTIONS
NOTES FOR NEW PDP MODULE HANDLING
1. Do handling with the PDP Module by 2 persons.
2. There is a step difference between the cover and PDP Module. So, when you remove the screws, place a cushion on it so
that the PDP Module is not being scratched. Then remove the screws carefully.
3. When you remove the cover, do not scratch the FPC on both ends of PDP Module.
4. Hold the four ends holder and be careful not to touch the glass area.
5. Take care for the damage of vacuum exhaust pipe due to a collision.
6. Moisture condensation may damage the PDP Module. So, leave it for 48 hours at the service room.
7. Re-use the cover, vinyl sheet, and screws for returning of the PDP Module.
Vacuum Exhaust Pipe
FPC
B1-5
DISASSEMBLY INSTRUCTIONS
1-6: PDP MODULE (PREPARATION)
1. Remove the fixing screw of Power PCB. Then fix the Wiring Clip. (Use the clipson defective PDP Module)
2. Fix the Cord Clip. (Use the clip son defective PDP Module)
3. Fix the Wiring Clip. (Use the clip son defective PDP Module)
Wiring Clip
45