Zenith P42W46X Support Question
Zenith P42W46X Support Question
Find answers below for this question about Zenith P42W46X - 42" Flat Panel Plasma ED-Ready TV.Need a Zenith P42W46X manual? We have 1 online manual for this item!
Question posted by stejonch on August 4th, 2011
Black Fuzzy Screen
When I turn on the tv, the screen is black and fuzzy. after about 15 to 2o minutes, the screen is fine with full color. what can be the problem?
Current Answers
Related Zenith P42W46X Manual Pages
Service Manual - Page 1
SERVICE MANUAL
Product Type: Chassis: Manual Series: Manual Part #: Model Line: Product Year:
PLASMA RF-043A
2004
http//www.zenithservice.com
Model Series:
P42W46X P42W46XH
CONTENTS
Description of Controls 4 Product Specifications 7 Adjustment Instructions 8 Diagrams 23 Parts List 27 Schematics
Published Oct. 2003 by Technical Publications LG Electronics USA, Inc. ...
Service Manual - Page 2
... screen size.
8. Use an AC voltmeter having 5000 ohms per the original design. A product mounted to roll a cart with TVs ...stand that the safety purpose of 1500 ohm resistor and .15 mfd capacitor. GRAPHIC SYMBOLS
The exclamation point within an equilateral... part. After the original service problem has been corrected, make a check of television receiver or generically approved for use...
Service Manual - Page 4
...
- Front Panel Controls
ON/OFF
TV/VIDEO MENU
VOL
CH
ON/OFF Button Remote Control Sensor
MENU Button
CHANNEL (E, D) Buttons
TV/VIDEO Button VOLUME (F,G) Buttons
Power Standby Indicator Illuminates red in standby mode, Illuminates green when the TV is a simplified representation of front panel. This manual explains the features available on .
-4- This is turned on the P42W46X.
Service Manual - Page 5
... Monitor. RS-232C INPUT (CONTROL/SERVICE) PORT Connect to operate the TV on a PC. The voltage is indicated
on AC power.
S-Video Input Connect ... input port. VIDEO Input Connects the video signal from a PC to the TV, either directly or through your wired remote control here.
Power Cord Socket This TV operates on the Specifications page. DVD/DTV Input (Component 1-2) Connect a component...
Service Manual - Page 6
...size.
PIP INPUT
POSITION SWAP A.PROG
MEMORY/ERASE
POWER Turns your selection or displays the current mode.
DASP Selects ... Adjusts menu settings.Switches the
set on the TV. MUTE
POWER
TV/VIDEO MULTIMEDIA MTS
CAPTION ARC MENU
CH
ENTER
...or SAP. APC Adjusts the factory preset picture according
to the screen.
CAPTION
Selects CAPTION mode. PIP/DW Switches between PIP and Double...
Service Manual - Page 7
SPECIFICATIONS
MODEL
Width (inches / mm) Height (inches / mm) Depth (inches / mm) Weight (pounds / kg)
Resolution Power requirement Television System Program Coverage External Antenna Impedance
Color Operating Temperature Range Operating Humidity Range
Maximum Elevation
P42W46X
48.4 / 1210 27.6 / 701 11.4 / 290 66 / 22.9 852 x 480 (Dot) AC100-240V, 60Hz
NTSC VHF 2 ~ 13, UHF 14 ~ 69...
Service Manual - Page 8
... check PANEL. O After RGB Full white HEAT-RUN Mode, the receiver must be set to the serial port of the screen.
(2) After installing the Gprobe, [Option -> Connection Setup] or click the icon indicated in the black level part of the connected PC. Confirming the G-prove
(1) Connect Rs232 cable and then turn on R/C for about 15 minutes...
Service Manual - Page 9
... key download that the
message of Output terminal is showed as Va voltage which on lable of panel right/top (Deviation; ±0.5V)
(2) Vs Adjustment
1) Connect + terminal of D.M.M to GND pin of P805. 3) After turning RV501, voltage of D.M.M adjustment as
same as below.
< 3501V00180A >
(Fig 4)
< 3501V00182A >
(Fig 5) Connection Diagram of P805, connect...
Service Manual - Page 10
...RGB output Level: 0.7Vp-p)
7-2. O For manual adjustment, it until color coordination becomes as Va voltage which on lable of panel right/top (Deviation; ±0.5V)
(2) Vs Adjustment
1) Connect ...adjustment then operate heat run more than 15 minutes.
(Fig 7) Auto RGB/ Component Color Balance Test Pattern
- 10 - ADJUSTMENT INSTRUCTIONS
2) After turning RV401, voltage of D.M.M adjustment as ...
Service Manual - Page 11
...Sequence of Adjustment
(1) DDC Data Input for Analog-RGB
1) Put the set on the table and turn the PC, jig on . 2) Connect PC Serial to D-sub 15P Cable of jig for ... DDC adjustment to DVI Cable of Device
10-3. ADJUSTMENT INSTRUCTIONS
9. Preparation for Adjustment
(1) Set devices as above and turn the power on . (2) Put S/W for
Analog-RGB input is D2(1page), BF(2page), DDC data for writing...
Service Manual - Page 12
... circuit. Power Board
1-1.
come
out?
Check the Power Off
condition. The whole flowchart which it follows in voltage output state
Start check
Doesn't the
Yes
screen whole come out? Yes
5.
Doesn't the
Yes
low pressure output
come out? Yes
3. No Doesn't the VSC low pressure output come out? Check the 5V...
Service Manual - Page 15
Plug in power cord? Connect Cable. When ST-BY 5V does not operate,
replace Power Board. Replace Fuse. Connect Cable.
- 15 - No Power
(1) Symptom
¯ Does't minute discharge at module. ¯ Non does not come in into the front LED.
(2) Check follow
No Is plug in power cord.
Yes
Is normal the ...
Service Manual - Page 16
... module
¯ The Rely falls(The sound is audible "click") ¯ It is converted with the color where the front LED
is replace)
P5, P6 connector of each connector, No the normality it does not discharge minutely from green.
(2) Check follow
Is normal the Power No Board? Replace X-Board. If in case...
Service Manual - Page 17
... output voltage normality: Replace Left X-B/D
Is normal the output voltage after Yes remove P1, 2, 101, 300, 701, 702
connector of X, Y, Z? No Raster
(1) Symptom
¯ Does't minute discharge at module. ¯ It maintains the condition where the front LED is replace the module.
- 17 - Is normal the output Is normal the Fuse...
Service Manual - Page 18
... No Board of does't display the OSD
(1) Symptom
¯ LED is green ¯ The minute discharge continuously becomes
accomplished from module
(2) Check follow
Is normal the LVDS No cable? No
Cable ...inserts well. No
Operates the Yes IEP(IC500)?
In case of occur strange screen into specific mode
5-1. No
Operates the Scaler(IC700)?
Operates the Thine Yes IC(IC1100)? No
...
Service Manual - Page 19
... Is normal the Input voltage, IIC
No
Communication and HV sync?
Replace IC Replace IC
- 19 - In case of does't display the screen into specific mode
(1) Symptom
¯ The screen does not become the display from specific input mode (RF, AV, Component, RGB, DVI).
(2) Check follow
¯ Check the all input mode...
Service Manual - Page 22
...?
No
Yes
Yes
Operates the IC800?
In case of no sound
(1) Symptom
¯ LED is green ¯ Screen display but sound is not output
(2) Check follow
Is normal the SPK No cable?
Is the Flat cable connected well? Yes
Replace SPK cable
No
Cable inserts well. No
No
Cable inserts well. Replace...
Service Manual - Page 27
... RANGE(R)
121
6401VD0013H
SPEAKER ASSEMBLY,FULL RANGE(L)
200
6348Q-E058T
PDP,42 16:9 852*480 PDP42V60000.AKLGG
6348Q-E059C
PDP *P42W46XH
201
6871QCH034A
PCB... RZ-42PX10
4980V01070D
SUPPORTER ASSY,AL FILTER LEFT *P42W46XH
305
3790V00709B
FILTER(MECH),MN42PZ41 LGM42-01 42 ETCHING MESH GLASS FILTER
400
3809V00444A
BACK COVER ASSEMBLY,RZ-42PY20 NON .
3809V00444C
BACK COVER ASSEMBLY...
Similar Questions
How Do I Get My Tv To Stay On It Turns Off After 5minutes Of Being On
(Posted by Futurelove621 10 years ago)
Black Screen On Z50pl10 Plasma Tv
black screen, audio is fine. tested voltages to y and z sus boards, tried removing buffer boards 1 a...
black screen, audio is fine. tested voltages to y and z sus boards, tried removing buffer boards 1 a...
(Posted by riata222 10 years ago)
Zenith 42 Plasma Tv Screen Is White When You Turn It On
(Posted by prak0 10 years ago)
My 42 Inch Flat Screen Tv Just Stopped Working The Red Light Is Flashing
(Posted by rorosala69 11 years ago)
2003 Plasma Tv - Black Vertical Line Through Center Of Picture-can It Be Fixed
model #P42W24Bx- has a black vertical line about 1" wide in center of picture- you can see the full ...
model #P42W24Bx- has a black vertical line about 1" wide in center of picture- you can see the full ...
(Posted by drichard 13 years ago)