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 brentmullinz on April 5th, 2016
My Tv Will Only Produce A Colored Static Like Picture. All The Power Inputs Appe
my tv will only produce a colored static like picture. ive checked and all the correct volts are present. any suggestions?
Current Answers
Related Zenith P42W46X Manual Pages
Service Manual - Page 2
..., strain reliefs, power supply cords, and other hardware have been reinstalled per volt or more . Caution...a fuse and its specific model of television receiver or generically approved for use with ...way.
After the original service problem has been corrected, make a check of the same or larger screen size.
...sure that may be replaced only with TVs of the following:
FIRE AND SHOCK HAZARD...
Service Manual - Page 4
... TV.
- 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
... video/audio
device to operate the TV on AC power.
Power Cord Socket This TV operates on DC power.
-5- DESCRIPTION OF CONTROLS
Connection Options
S-VIDEO
A/V INPUT2
R AUDIO L / MONO VIDEO
S-VIDEO Input A connection available to hear stereo sound from an external device. AUDIO Input Use to connect to provide better picture quality than the video input. Monitor Output Connect a second...
Service Manual - Page 6
...picture. PIPCH-/PIPCH+ Changes to scroll the favorite channel list. Selects
a menu item. CHANNEL UP/DOWN Selects available channels found with regular ration. PIP/DW Switches between PIP and Double
Window modes.
MUTE
POWER
TV... Selects: Component 1-2, RGB, and
DVI input sources. PIP INPUT
POSITION SWAP A.PROG
MEMORY/ERASE
POWER Turns your selection or displays the current mode...
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, CATV...
Service Manual - Page 8
... PC. ** If it is impossible to check PANEL. Confirming the G-prove
(1) Connect Rs232 cable and then turn on the power. Specification
(1) Because this time, communication is "Starting Gprove..." will help protect test instrument.
(2) Adjustment must be done in the correct order. (3) The adjustment must be performed in the picture and then setup as below the...
Service Manual - Page 9
... 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 PDP Module, especially be checked by check JIG set. (Because power PCB Assembly damages to Vs pin of P805.
-9-
Service Manual - Page 10
... mode by the following sequence.
(1) Select white pattern of panel right/top. (Deviation; ±0.5V)
5-4. Connection Diagram of Auto RGB Color Balance
(1) Input RGB Source : 16 Gray Scale Pattern output (RGB output ...Gain and Blue Gain, press VOL +, Key and adjust it is also possible by pressing power on key on remote control for P/No. 3501V00182A B/D
(1) Va Adjustment
1) After receiving...
Service Manual - Page 11
... D2(1page), BF(2page), repeat 3) ~
4). 6) If Check sum is completed.
10. Sequence of jig for
Analog RGB in DOS mode.)
10-4. ADJUSTMENT INSTRUCTIONS
9. Preparation for Adjustment
(1) Set devices as above and turn the power on. 2) Connect PC Serial to D-sub 15P Cable of Adjustment
(1) DDC Data Input for Analog-RGB
1) Put the set...
Service Manual - Page 12
... whole come
out? Yes
Yes
No
7. Check the Vs, Va
signal
voltage output circuit. Check the Power Board Output high
tension circuit
When
remove the
No
Y B/D Module
No
Input Connector, output
voltage Drop
it occurs? Check the Z B/D Module Coutput circuit
Yes
11. Check the Y B/D Module Coutput circuit
- 12 - Power Board
1-1. Check the St-by 5V signal
5V Monitor...
Service Manual - Page 13
TROUBLE SHOOTING GUIDE
1-2. Sony Power Board Structure
1 2 3
T502: Vs Trans T702: Va Trans T101: St-by Trans T103: Low Voltage Trans
- 13 -
Service Manual - Page 14
Sanken Power Board Structure
1 2 3
T221: Vs Trans T271: Va Trans T121: St-by Trans T201: Low Voltage Trans
- 14 - TROUBLE SHOOTING GUIDE
1-3.
Service Manual - Page 15
...), authorizes the AC voltage marking on Power
No
Board? Replace Fuse. Yes
Is normal the Fuse(F101) on manual.
Connect Cable.
TROUBLE SHOOTING GUIDE
2. 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.
Connect Cable.
- 15...
Service Manual - Page 16
...is audible "click") ¯ It is converted with the color where the front LED
is replace)
P1 connector of
X-B/D? Board?
No Replace Power Board. Yes voltage after remove Yes
(In case of open...voltage after remove Yes
B/D? (In case of open is red from green.
(2) Check follow
Is normal the Power No Board? After connecting well each No connector?
If in case normality operates, ...
Service Manual - Page 17
...connector? If in case normality operates, correspondence COF Fail is green.
(2) Check follow
Is normal the Power No Board?
Board?
Is output the normality Low/High voltage except Stand-by...
X-B/D?
After remove P1200 normal operation:
Replace Digital Board
After crisis COF of
Y-B/D? No Replace Power Board. Is normal the output Is normal the Fuse(F52) on Z- Replace Z-Board.
Yes...
Service Manual - Page 19
...'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 should become normality display. ¯ Check the Video(Main)/Data(Sub), Video(Main)/Video(Sub) should become
normality display from the PIP mode...
Service Manual - Page 20
... normal the 74LS123?
Replace IC
No Is normal the Scaler? Is normal the Input voltage, IIC Communication and HV sync?
Is normal the Input voltage, IIC Communication and HV sync? No
Replace IC
- 20 -
TROUBLE..., Component 480i mode
Is normal the VPC3230?
Yes
No Is normal the Input voltage, IIC
No
Communication and HV sync?
No
Yes
Replace IC
No Is normal the Scaler? Yes
No...
Service Manual - Page 21
... IC
(8) In the case of becomes unusual display from DVI mode
No Is normal the Input voltage, IIC
No
Is normal the Scaler?
No
Replace IC Replace IC
(8) In the case...Replace IC
- 21 - Yes
Is normal the M52758?
Is normal the Input voltage, IIC Communication and HV sync?
Yes
No Is normal the Input voltage, IIC
No
Communication and HV sync?
Yes
No Is normal the Scaler...
Service Manual - Page 27
...
PCB ASSEMBLY,SUB CONT RF043A NEW HOLDER LOCAL KEY KODENSI
580
3501V00182A
BOARD ASSEMBLY,POWER RZ-42PX10 RF043A SRX-89 SONY PSU
600
6871VSME91A
PCB ASSEMBLY,SUB A/V RF043A ...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...
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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