Zenith P42W46X - 42" Flat Panel Plasma ED-Ready TV Service Manual - Block Diagram

Summary of P42W46X - 42" Flat Panel Plasma ED-Ready TV

  • Page 1

    Service manual product type: plasma chassis: rf-043a manual series: manual part #: model line: product year: 2004 p42w46x p42w46xh model series: contents description of controls .................................................4 product specifications ...................................................

  • Page 2: Product Safety Guidelines

    - 2 - important safety notice this manual was prepared for use only by properly trained audio-visual service technicians. When servicing this product, under no circumstances should the original design be modified or altered without permission from zenith electronics corporation. All components shoul...

  • Page 3: Table of Contents

    - 3 - description of controls ...........................................4 specifications.................................................................7 adjustment instructions ..........................................8 trouble shooting guide ...........................................12 block d...

  • Page 4: Controls

    - 4 - controls controls on/off tv/video menu vol ch on/off button - this is a simplified representation of front panel. Here shown may be somewhat different from your tv. - this manual explains the features available on the p42w46x. Front panel controls front panel controls remote control sensor vol...

  • Page 5: Connection Options

    - 5 - connection options connection options rgb input antenna audio input dvi input s-video remote control ac input audio video component input 2 component input 1 monitor output a/v input 1 r l audio video r rs-232c input (control/service) l/mono r s-video video l / mono audio a/v input2 antenna in...

  • Page 6: Remote Control Key Functions

    - 6 - - when using the remote control, aim it at the remote control sensor on the tv. Power mute tv/video multimedia mts caption ch ch vol enter 1 2 3 4 5 6 7 8 9 0 vol arc menu fcr pip/dw apc dasp review split zoom pip ch + sleep pip ch - pip input win.Size swap memory/erase a.Prog position mute sw...

  • Page 7: Specifications

    - 7 - • the specifications shown above may be changed without notice for quality improvement. Model 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 1 ~ 125 75 Ω 16,770,000 (256 steps of each r, g and b) 32 ~ 104°f (0 ~ 40°c) les...

  • Page 8: Adjustment Instructions

    - 8 - adjustment instructions 1. Application object these instructions apply to the rf-043a chassis. 2. Specification (1) because this is not a hot chassis, it is not necessary to use an isolation transformer. However, the use of isolation transformer will help protect test instrument. (2) adjustmen...

  • Page 9: Adjustment Instructions

    - 9 - adjustment instructions 4. Hdcp download 4-1. Setting up & confirming the g-prove : refer to 3-1 and 3-2. 4-2. Hdcp download method (1) click [command -> nvram write] (2) when the window of [nvram write] is showed, select “lgekey1.Bin” to insert fill up in the file. (3) lgekey1 : first key val...

  • Page 10: Adjustment Instructions

    - 10 - 2) after turning rv401, voltage of d.M.M adjustment as same as va voltage which on label of panel right/top. (deviation; ±0.5v) 5-4. Adjustment method for p/no. 3501v00182a b/d (1) va adjustment 1) after receiving 100% full white pattern, heat run. 2) connect + terminal of d.M.M to va pin of ...

  • Page 11: Adjustment Instructions

    - 11 - adjustment instructions 9. Auto adjustment map(rs-232c) 10. Ddc data input 10-1. Required test equipment (1) a jig for adjusting pc, ddc (pc serial to d-sub connection equipment) (2) s/w for writing ddc (edid data write & read) (3) d-sub 15p cable, d-sub to dvi connector (connect to dvi jack)...

  • Page 12: Trouble Shooting Guide

    - 12 - trouble shooting guide 1. Power board 1-1. The whole flowchart which it follows in voltage output state start check manufacture enterprise meaning of a passage 1. Check the power off condition. Doesn't the screen whole come out? It is identical with power off condition? Yes yes no no no no no...

  • Page 13: Trouble Shooting Guide

    - 13 - trouble shooting guide 1-2. Sony power board structure t502: vs trans t702: va trans t101: st-by trans t103: low voltage trans 1 2 3.

  • Page 14: Trouble Shooting Guide

    - 14 - trouble shooting guide 1-3. Sanken power board structure t221: vs trans t271: va trans t121: st-by trans t201: low voltage trans 1 2 3.

  • Page 15: Trouble Shooting Guide

    - 15 - 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 is plug in power cord? Plug in power cord. Yes no is connect the line filter and power switch cable? Connect cable. Yes no is connect the power switc...

  • Page 16: Trouble Shooting Guide

    - 16 - trouble shooting guide 3. Protect mode (1) symptom ¯ after once shining, it does not discharge minutely from module ¯ the rely falls(the sound is audible “click”) ¯ it is converted with the color where the front led is red from green. (2) check follow is normal the power board? Replace power ...

  • Page 17: Trouble Shooting Guide

    - 17 - trouble shooting guide 4. No raster (1) symptom ¯ does’t minute discharge at module. ¯ it maintains the condition where the front led is green. (2) check follow is normal the power board? Replace power board. Is output the normality low/high voltage except stand-by 5v? Yes no no is normal the...

  • Page 18: Trouble Shooting Guide

    - 18 - trouble shooting guide 5. In case of occur strange screen into specific mode 5-1. In case 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 cable? Is normal the vsc digital board? Is th...

  • Page 19: Trouble Shooting Guide

    - 19 - trouble shooting guide 5-2. 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 should become normality display. ¯ check the video(main)...

  • Page 20: Trouble Shooting Guide

    - 20 - trouble shooting guide (5) in the case of becomes unusual display from rf, av, component 480i mode (6) in the case of becomes unusual display from component dtv mode is normal the vpc3230? Yes is normal the s2300? Is normal the input voltage, iic communication and hv sync? No replace ic no is...

  • Page 21: Trouble Shooting Guide

    - 21 - trouble shooting guide (7) in the case of becomes unusual display from rgb dtv mode (8) in the case of becomes unusual display from rgb pc mode (8) in the case of becomes unusual display from dvi mode is normal the cxa2101? Yes is normal the m52758? Is normal the input voltage, iic communicat...

  • Page 22: Trouble Shooting Guide

    - 22 - trouble shooting guide 6. In case of no sound (1) symptom ¯ led is green ¯ screen display but sound is not output (2) check follow is normal the spk cable? Is the spk cable connected well? Cable inserts well. No no cable inserts well. No replace ic800 no replace ic801 no replace spk cable yes...

  • Page 23: Block Diagram

    - 23 - block diagram r g b ( p c /d t v ) d v i ( p c /d t v ) r s 2 3 2 ir 7 4 a c t 2 5 3 r x 0 /1 ,t x 0 /1 ir t x s c l / s d a r g b h / v s c l / s d a r x / t x 0 / 1 / 2, r x / t x c s t 3 2 3 2 c 2 4 l c 2 1 7 4 h c t 0 8 2 4 l c 2 1 c x a 2 1 0 1 s c a rt 1 s c a rt 2 s c a rt 3 r f c v b ...

  • Page 24: Block Diagram

    - 24 - block diagram r g b (p c / d t v) d vi (p c / d t v) r s 2 3 2 ir s t 3 2 3 2 c 7 4 a c t 2 5 3 7 4 h c t 0 8 t x g m 1 5 0 1 h 2 4 l c 2 1 2 4 l c 2 1 r g b p c ii s ii s ii s c x a 2 1 0 1 c x a 2 1 0 1 r g b d t v h v m 5 2 7 5 8 f p ic 2 0 2 (m u x ) m 5 2 7 5 8 f p ic 2 0 2 (m u x ) m 5 ...

  • Page 25: Notes

    - 25 - notes.

  • Page 26: Exploded View

    - 26 - exploded view 300 301 304 302 490 303 202 206 200 207 203 204 201 205 580 400 401 430 410 402 520 560 530 531 570 121 601 600 305 120

  • Page 27: Exploded View Parts List

    - 27 - exploded view parts list 120 6401vd0013g speaker assembly,full 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 assembly,display ctrl assy 42v6 new mcm(1222) lvds 202 6871qdh066a pcb ass...

  • Page 28: Replacement Parts List

    - 28 - replacement parts list loca. No part no description ic800 ic801 ic801 ic802 ic805 q001 q002 q100 q100 q1000 q101 q101 q102 q102 q103 q103 q104 q105 q106 q107 q108 q110 q1100 q1101 q1102 q1103 q1104 q1105 q1106 q1107 q1108 q1109 q111 q1110 q1111 q1112 q1113 q1114 q1115 q1116 q1117 q1118 q1119 ...

  • Page 29: Replacement Parts List

    - 29 - loca. No part no description q1201 q1202 q207 q208 q209 q210 q211 q214 q215 q216 q217 q218 q219 q300 q301 q302 q303 q304 q305 q306 q307 q308 q309 q310 q311 q312 q313 q314 q315 q316 q317 q318 q319 q320 q321 q400 q400 q401 q401 q402 q402 q403 q404 q405 q406 q600 q601 q602 q603 q800 q801 0tr3875...

  • Page 30: Replacement Parts List

    - 30 - loca. No part no description d501 d502 ld001 ld1000 ld1001 ld1002 ld1003 ld1100 ld1203 ld1204 ld1206 ld1207 ld500 ld501 ld502 ld503 zd100 zd101 zd102 zd103 zd104 zd105 zd400 zd401 zd800 c002 c1001 c1002 c1003 c1004 c1006 c1016 c1017 c1018 c102 c102 c1020 c1022 c1025 c1027 c1031 c1037 c104 c10...

  • Page 31: Replacement Parts List

    - 31 - loca. No part no description c1256 c1257 c1259 c127 c1273 c1274 c1275 c1279 c1305 c1314 c1315 c1317 c1331 c1333 c1353 c1355 c1362 c1366 c1368 c1373 c1374 c1384 c1388 c1391 c1400 c1402 c1404 c1410 c1415 c1425 c208 c209 c210 c222 c222 c223 c223 c224 c224 c230 c251 c254 c258 c261 c263 c272 c274 ...

  • Page 32: Replacement Parts List

    - 32 - loca. No part no description c757 c762 c769 c777 c778 c785 c800 c801 c802 c803 c812 c817 c822 c825 c827 c828 c829 c834 c834 c837 c840 c841 c847 c851 c852 c862 c863 c872 c873 c874 jk103 jk200 jk201 jk202 p101 p102 p200 p201 l1004 l1005 l1006 l1007 l1200 l1203 l1209 l1213 l803 0ce226sf6dc 0ce22...

  • Page 33: Replacement Parts List

    - 33 - loca. No part no description ar703 ar707 ar708 ar709 ar710 ar711 ar712 ar713 ar714 ar715 ar717 ar718 ar719 r801 r802 sw001 sw002 sw003 sw004 sw005 sw006 sw700 sw800 sw800 l100 l100 l1000 l1002 l1008 l1009 l101 l101 l1010 l1011 l1012 l1013 l1014 l1015 l1016 l1017 l1018 l1019 l102 l102 l1020 l1...

  • Page 34: Replacement Parts List

    - 34 - loca. No part no description l209 l210 l211 l212 l213 l214 l214 l215 l215 l216 l216 l217 l300 l301 l302 l303 l304 l305 l400 l400 l401 l401 l402 l403 l404 l405 l406 l502 l503 l609 l610 l700 l800 l807 l808 lt1100 lt1101 lt1102 lt1103 r102 r103 r106 r107 r108 x1100 x500 x600 x600 x700 x700 x800 ...

  • Page 40

    Main (top).

  • Page 41

    Main (top) printed circuit board main (bottom ) tuner(top) tuner(bottom) power s/w(top) side a/v(top) side a/v(bottom) control(top) control(bottom) power s/w(bottom).