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 shanteyaallen on March 17th, 2013
Where Can I Find A Main Board For My Zenith 42inch Tv
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Current Answers
Related Zenith P42W46X Manual Pages
Service Manual - Page 1
...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. 201 James Record Road, Huntsville, Alabama 35824-1513
Copyright © 2003 by Zenith...
Service Manual - Page 2
...equilateral triangle is a factor, etc.
3. The lightning flash with TVs of the same or larger screen size.
8.
After the original service...platform must conform to original layout upon completion of extensions, sprouting from Zenith Electronics Corporation. Bolts or screws used for frayed leads or damaged ...television receiver or generically approved for each exposed metallic part.
Service Manual - Page 4
This is turned on the P42W46X.
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...
Service Manual - Page 5
...has a core, or the EMI filter core along with separate cable. Power Cord Socket This TV operates on the Specifications page. AUDIO Input Use to connect to hear stereo sound from an ...external device to these jacks.
Antenna Input Connect cable or antenna signals to operate the TV on a PC. Audio/Video Input 1 Connect audio/video output from an external device.
REMOTE ...
Service Manual - Page 6
...source for available channels. A.PROG (AUTO PROGRAM) Searches for the sub picture. TVVIDEO Selects: TV, Video 1-2, Component
1-2, RGB, and DVI input sources. CHANNEL UP/DOWN Selects available channels... mode.
Selects
a menu item. ENTER
Accepts your TV on or off . SPLIT ZOOM Enlarges the picture with Auto program.
SWAP Exchanges the main/sub images. MTS Selects the MTS sound: Mono,...
Service Manual - Page 8
... picture and then setup as below the picture. (In case of HEAT-RUN mode uses to check PANEL. Then, the message which is on the power. Setting up
3.
Channel memory
3-1.
Caution) If... Adjustment must be done in the correct order. (3) The adjustment must be performed in case of turning on Main Power. ** If you have to check the OSD, push the [TILT] button of the adjust remocon. ...
Service Manual - Page 9
... EEPROM. (6) It means the end of the HDCP 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 Vs pin of [NVRAM Write] is showed, select
"LGEKEY1.bin" to insert fill up...
Service Manual - Page 10
... output(RGB output Level: 0.7Vp-p)
7-2. Method of Equipment for adjustment mode to Vs pin of panel right/top. (Deviation; ±0.5V)
5-4. Adjustment of White Balance
O Operate the Zero-calibration ... 3) After turning RV601, voltage of D.M.M adjustment as
same as Va voltage which on lable of panel right/top (Deviation; ±0.5V)
(2) Vs Adjustment
1) Connect + terminal of D.M.M to select ...
Service Manual - Page 12
...signal
VSC signal RL-ON
come out? Check the VSC RL-ON signal.
Check the Power Board Output high
tension circuit
When
remove the
No
Y B/D Module
No
Input Connector, output
voltage ... the 5V Monitor signal circuit.
Yes
6.
Doesn't the VSC signal Vs-ON
come out?
Power Board
1-1.
Yes
10. Check the Power Off
condition. Yes
3.
Check the Vs, Va
signal
voltage output...
Service Manual - Page 13
Sony Power Board Structure
1 2 3
T502: Vs Trans T702: Va Trans T101: St-by Trans T103: Low Voltage Trans
- 13 - TROUBLE SHOOTING GUIDE
1-2.
Service Manual - Page 14
TROUBLE SHOOTING GUIDE
1-3. Sanken Power Board Structure
1 2 3
T221: Vs Trans T271: Va Trans T121: St-by Trans T201: Low Voltage Trans
- 14 -
Service Manual - Page 15
Yes
Is normal the Fuse(F101) on manual. Yes
After remove the cable connect to Power Board(except the CN101 connection cable), authorizes the AC voltage marking on Power
No
Board? Connect Cable. TROUBLE SHOOTING GUIDE
2. No Power
(1) Symptom
¯ Does't minute discharge at module. ¯ Non does not come in into the...
Service Manual - Page 16
...converted with the color where the front LED
is replace)
P1 connector of
Y-B/D?
Replace X-Board. Board? Board? Yes
Is normal the
No
COF of each No connector?
Replace connector.
Is normal ...remove P1, 2, 101, 300, 701, 702
connector of
X-B/D?
Yes
Is normal the each board, check the normality operates.
After remove P1, P2, P3, P4 output voltage normality: Replace...
Service Manual - Page 17
... open is replace)
P5, P6 connector of X, Y, Z?
TROUBLE SHOOTING GUIDE
4. Is normal the output Is normal the Fuse(FS1, FS2) on Y-B/D? Replace Y-Board. Replace connector.
No Replace Power Board. No Raster
(1) Symptom
¯ Does't minute discharge at module. ¯ It maintains the condition where the front LED is replace the module.
- 17...
Service Manual - Page 18
...(IC1100). Replace Ctrl B/D.
- 18 - In case of Module?
No
Operates the Scaler(IC700)?
TROUBLE SHOOTING GUIDE
5.
Is normal the VSC No Digital Board? Is normal the Ctrl 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...
Service Manual - Page 19
... input mode (RF, AV, Component, RGB, DVI).
(2) Check follow
¯ Check the all input mode should become normality display. ¯ Check the Video(Main)/Data(Sub), Video(Main)/Video(Sub) should become
normality display from the PIP mode or DW mode. (Re-Check it Swap)
(3) In case of becomes unusual display from...
Service Manual - Page 22
Is the Flat cable connected well? Replace IC800
Replace IC801
Yes
Yes
Is normal the
No
RF/AV/Component
sound? No
Replace IC802
- 22 - No
Yes
Yes
Operates ...
Service Manual - Page 24
...
Flash ROM 512K/ 1M
IEP
ZHINE
LVDS 31PIN
BLOCK DIAGRAM
- 24 - Analo g BOARD
Comp1
( DVD/ DT V)
Comp2
( DVD/ DTV)
Comp Comp2
CVBS IN CVBS...I C4 0 0 ( MUX)
S/ DVD_Co mp
AL T_Y_4 8 0 I _MA I N AL T_Y2 _4 8 0 I _MAI N
MAIN_YOUT
VPC 3 2 3 0 (MAIN)
COMB_YOUT C O MB _C O U T UPD64083
M656 8Bit
CXA2069Q MAIN_VOUT MAIN_YOUT
LA7151M SW CVBS/ Y ALT_Y_4 8 0 I _SU B
ALT_Y2 _4 8 0 I _SU B D ...
Service Manual - Page 27
... 42V6
300
3091V00645C
CABINET ASSEMBLY,RU-42PX20 NON NON ZENITH
301
4980V01067A
SUPPORTER ASSY,AL FILTER TOP RZ-42PZ10
... LEFT *P42W46XH
305
3790V00709B
FILTER(MECH),MN42PZ41 LGM42-01 42 ETCHING MESH GLASS FILTER
400
3809V00444A
BACK COVER ASSEMBLY,RZ...BOARD ASSEMBLY,BASE
490
4980V01057A
SUPPORTER,PCB EGI POWER SW. RZ-42PY20
520
6871VMMS16A
PCB ASSEMBLY,MAIN RF043A MALIBU RU MAIN ...
Service Manual - Page 41
MAIN (TOP)
PRINTED CIRCUIT BOARD
MAIN (BOTTOM )
TUNER(TOP)
TUNER(BOTTOM)
POWER S/W(TOP)
POWER S/W(BOTTOM)
SIDE A/V(TOP)
SIDE A/V(BOTTOM)
CONTROL(TOP) CONTROL(BOTTOM)
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