Sampo PME-42S6 Service Manual

Manual is about: Sampo 42" PDP Service manual

Summary of PME-42S6

  • Page 1

    42“ pdp service manual model: pme-42s6(s) rev:1.0

  • Page 2: Contents

    If having any changes, do not do advanced advice. Contents 1. Important safety precautions ……….1 2. Block diagram .......................................…3 3. Factory & electronic adjustment …..9 4. Trouble shooting guides ...............……..11 5. Specification ………………………………17 6. Exploded view ………………...

  • Page 3

    Safety precautions - 1 - 1. Before returning an instrument to the customer, always make a safety check of the entire instrument, including, but not limited to, the following items. A. Be sure that no built-in protective devices are defective and/or have been defeated during servicing. (1) protective...

  • Page 4

    Safety precautions - 2 - 4. Hot chassis warning—a. Some monitor chassis are electrically connected directly to one conductor of the ac power cord and may be safely serviced without an isolation transformer only if the ac power plug is inserted so that the chassis is connected to the ground side of t...

  • Page 5

    Block diagram - 3 - j25_1 pin[1:3] panel power supply ass'y ac in_1 7 av module board(with tuner) assy 9 j12_1 pin[1:10] 1 sa_1 con8011 pin[1:6] pin[7:13] la03_1 pin[1:31] 5 3 ja3_1 pin[1:6] 12 2 ja1_1 pin[1:12] logic f-buffer ac out_1 13 j1_1 pin[1:31] logic board ass'y (5v,sb det ) (audio dc,suppl...

  • Page 6

    Block diagram - 4 - a9 gnd a8 nc pin 1 a5 a14 b3 a16 gnd a3 a10 a6 rd- yuv2_r pin 8 p5v c2 dvi_l b12 pwr_ct l sda2 r_in 15kn_sp vgnd nc c10 pin 1 nc pin 6 pin 7 agnd pin 40 c13 gnd b12 pin 1 aft _t un b4 c12 b5 a10 b14 c6 pin 35 dgnd pin 1 gnd dgnd dgnd b13 surr1 nc pin 3 j5 (6 pin) rst _dpt v a2 c1...

  • Page 7

    Block diagram - 5 - p a n e l c711/c713 clock generator cpu (page10) (page12) (page7) (page4) c (page8) sdram (page2) (page9) 6630/6730 main video processor y1/cb/cr lvds transmitter u45 6630/6730 sub video porcessor sdram u4 ic2 c sdram (page3) ic7 yuv (page6) u46 multiplex switch rgb in y video y ...

  • Page 8

    Block diagram - 6 - u59 (5v_osd) v33p vccpll u62 p5v_color j25 1 2 3 v25_sp con8009 1 2 3 4 5 6 7 8 9 (vcc3_m _s) vadc3 p9v j25 1 2 3 vadc3_s (vdd33) u52 usb3v (vdram ) l17 p24v sb5v_v 5vddd (vcc3_m ) u58 5vddm1 reg_5v +5va u28 u61 +9v sb5v v33adc v33tmp j14 1 2 3 4 5 6 l13 u57 v33 vddm u31 +9vt a5v...

  • Page 9

    Block diagram - 7 - from av select or ic2 icr1 m ain power am plifier u1 buffer am plifier sub_woofer out put inside speaker m ut e ica3 fixed/varible out put select or q8/q9/q11 ics2 av_ out put m ut e pdp sound block diagram q1/q2 dpwb11372-1g-s- input buffer lpf page2 m ut e ics1 ic1 ica1/ica2 bb...

  • Page 10

    Block diagram - 8 - t u201 rf m odule scl2 q241 2sc2482 ic202 7805 ic241 dpwb11372-1g-t- 9v power block audio out ne555 ic203 9v_t jp2 31v upc 1854act ic201 video out m t s t v_r out 7809 t v_l out tuner signal block diagram sda2 5v t u201 pif m odule from im age board cpu.

  • Page 11

    Factory adjusted method - 9 - digital board cn01 ext int cn05 ext int cn01 select "int" cn05 select "ext" 1. Paneal voltage adjuetment the power volage should be adjueted and clecked when changing the panel or power board. Power voltage adjust for samsung ttl panel gnd 1. Digital board con01 select ...

  • Page 12

    Factory adjusted method - 10 - 2. Color temperature adjuetment push the factory service key to into the adjuetment mode. The picture will appear as follow dvi 5400ºk x=335 y=343 gain bias rgb rgb xxx xxx use the av key to select the color to adjust andorkey to adjust the leuel. The sequired equipmen...

  • Page 13

    Trouble shooting guides - 11 - no power set power on power input module lj92-00579a replace power input module lj92-00579a ok panel power supply lj44-00025a replace panel power supply lj44-00025a ok ac master power switch board dpwb11398-1g--- n y n y.

  • Page 14

    Trouble shooting guides - 12 - no picture no picture av module board (with tuner) dpwb11372-1g-t- y replace av module board (with tuner) dpwb11372-1g-t- n ok image board dpwb11393-1g--s y n replace image board dpwb11393-1g--s ok pdp panel module vvepp42sd001f-- n replace pdp panel module vvepp42sd00...

  • Page 15

    Trouble shooting guides - 13 - vertical line fail vertical line interface board-z lj92-00568b y replace interface board-z lj92-00568b n ok pdp panel module aeesmbly vvepp42sd001f-- n replace pdp panel module aeesmbly vvepp42sd001f-- ok.

  • Page 16

    Trouble shooting guides - 14 - horizontal line fail horizontal line interface board-y lj92-00569b y y pdp panel module assembly vvepp42sd001f-- n replace pdp panel assembly vvepp42sd001f-- ok y amp board-upper lj92-00570a y amp board-lower lj92-00571a replace y amp board- upper lj92-00570a y amp boa...

  • Page 17

    Trouble shooting guides - 15 - no remote control set power on remote control replace battery ok front button control board dpwb11372-1g-k- replace front button control board dpwb11372-1g-k- ok image board dpwb11393-1g--s replace image board dpwb11393-1g--s o k n y y n n replace brc-2 ok.

  • Page 18

    Trouble shooting guides - 16- front button fail set power on front button control board dpwb11372-1g-k- replace front button control board dpwb11372-1g-k- ok image board dpwb11393-1g--s replace image board dpwb11393-1g--s ok n y n.

  • Page 19: Specification

    Specification - 17 - 1. Scope: these specifications describe all the characteristics of the 42 inch color monitor. 2. Electrical requirements: 2.1. Display panel: specification a. Screen size diagonal 42 inch b. Aspect ratio 16:9 wide c. Number of pixels 852(horizontal, rgb trio ) x 480(vertical)pix...

  • Page 20: Specification

    Specification - 18 - 2.3.4 rgb signal: a. Type ttl b. Polarity positive or negative c. Amplitude rgb: 0.7vp-p d. Frequency h: support to 31k~91khz v: support to 50~85hz 2.3.5 dvi signal: a. Type b. Polarity c. Frequency digital positive or negative h: support to 31k~63khz v: support to 50~85hz 2.3.6...

  • Page 21: Specification

    Specification - 19 - 2.3.9 rgb/dvi for vesa standard: mode no resolution refresh rate horizontal frequency vertical frequency vertical sync polarity horizontal sync polarity dot rate (hz) (k hz) (hz) (ttl) (ttl) (mhz) 1 640(vga)×480 60 31.5 59.94 - - 25.175 2 640(vga)×480 72 37.9 72.81 - - 31.500 3 ...

  • Page 22: Specification

    Specification - 20 - 2.4. Display performance requirements: the data of display performance are measured based on the following. Conditions unless otherwise specified. A. Ambient temperature 25 ±5 ℃ b. Warm up period 30 minutes min. C. Line input voltage : 100 vac ~ 240 vac (50 / 60 hz) d. Viewing d...

  • Page 23: Specification

    Specification - 21 - width height depth 1040mm 648 mm 95mm 1040mm 690mm 375 mm 3.1. Package dimensions: width 1230 mm height 960 mm depth 470 mm 3.2. Weight: net weight 79.4lbs/36 kgs (w/o stand) 83.8lbs/ 38kgs (w/ stand) gross weight 115lbs/52 kgs 4. Environment: 4.1. Operating: temperature 0~40℃(3...

  • Page 24: Specification

    Specification - 22 - 6.1 rf sensitivity (peak) vhf ch 2 ~ ch 13 30db max. Uhf ch 14 ~ ch 69 30db max. Catv ch a-5 ~ ch w+29 30db max. 6.2 aft pull-in range vhf ch 2 ~ ch 13 ± 0.6mhz min. Uhf ch 14 ~ ch 69 ± 0.6mhz min. Catv ch a-5 ~ ch w+29 ± 0.6mhz min. 6.3 picture if rejection vhf ch 2 ~ ch 13 50d...

  • Page 25: Specification

    Specification - 23 - a. Drop test 200mm max. B. Vibration test 1. Forward and backward 2. Right and left 3. Up and down 30 minutes 1000 c.P.M 30 minutes 1000 c.P.M 30 minutes 1000 c.P.M 8.4 power management: mode h-sync v-sync video power dissipation normal pulse pulse active normal power stand-by n...

  • Page 26: Specification

    Specification - 24 - appendix a : preset timing chart item description: a total time b active display area including borders c active display area excluding borders d left/top border e right/bottom border f blanking time g front porch h sync-width i back porch mode no 1 2 3 4 5 6 7 8 9 resolution & ...

  • Page 27

    Specification(preliminary) - 25 - mode no 10 11 12 13 14 15 16 18 19 resolution & refresh rate 1024 768 60 1024 768 70 1024 768 75 1024 768 85 1280 1024 60 1280 1024 75 1280 1024 85 640 350 70 640 480 50 hz pixel 65 75 78.75 94.5 108 135 157.5 25.175 25.175 mhz horizontal visible 1024 1024 1024 1024...

  • Page 28

    Exploded view - 26 -.

  • Page 29

    P.C. Board top view - 27 - image board ass'y dpwb11393-1g--s module name parts no..

  • Page 30

    P.C. Board top view - 28 - ac master power switch b/d ass'y dpwb11398-1g--- module name parts no..

  • Page 31

    P.C. Board top view - 29 - audio amplifier board ass'y dpwb11372-1g-s- module name parts no..

  • Page 32

    P.C. Board top view - 30 - front button control board ass'y dpwb11372-1g-k- module name parts no..

  • Page 33

    P.C. Board top view - 31 - av module board ass'y dpwb11372-1g-t- module name parts no..

  • Page 34

    P.C. Board top view - 32 - interface board- y a’ssy lj92-00569b module name parts no..

  • Page 35

    P.C. Board top view - 33 - logic board ass'y lj92-00573 module name parts no..

  • Page 36

    P.C. Board top view - 34 - panel power supply ass'y lj44-00025a module name parts no..

  • Page 37

    P.C. Board top view - 35 - power input module ass'y lj92-00579a module name parts no..

  • Page 38

    P.C. Board top view - 36 - interface board- x ass'y lj92-00568b module name parts no..

  • Page 39

    P.C. Board top view - 37 - logic e-buffer ass'y lj92-00581a module name parts no..

  • Page 40

    P.C. Board top view - 38 - y amp board-upper ass'y lj92-00570a module name parts no..

  • Page 41

    P.C. Board top view - 39 - y amp board-lower ass'y lj92-00571a module name parts no..

  • Page 42

    P.C. Board top view - 40 - logic f-buffer ass'y lj92-00582a module name parts no..

  • Page 43

    P.C. Board top view - 41 - pdp panel module ass'y vvepp42sd001f-- module name parts no..

  • Page 44

    Schematic diagram - 42 - v v dptv_pb p[3] r362 75 1/16w r309 1m 1/16w v v fbp con1 v + c217 47uf 16v q40 dtc144eka r257 10 1/16w r248 3.9k 1/16w + c269 330uf 16v v pb1_cb1 p[16] + c276 2.2uf 50v r308 1k 1/16w r235 10 1/16w q34 2sa1037kq v v pr1_cr1 p[16] r292 180 1/16w c280 0.1uf 25v z r289 12k 1/16...

  • Page 45

    Schematic diagram - 43 - r175 10 1/16w r176 3.3k 1/16w + c205 2.2uf 50v v q15 2sc2412kbq v a r192 10 1/16w r202 220 1/16w r225 1k 1/16w c196 0.01uf 50v sv2_sw + c187 2.2uf 50v s2_c p[16] a tv_l p[16] yuv2_r s2_l r210 3.3k 1/16w s3_c s3_r r214 3.3k 1/16w a r364 75 1/16w r366 75 1/16w v s3_l r179 3.3k...

  • Page 46

    Schematic diagram - 44 - capd4_ p[5] dptv_vs p[1] vspip md _m p 55 ptv_cb p[1] ma _m p 4 md _m p 17 dptv_pb p[1] + cd13 47uf 16v cd31 1000pf 50v cd28 0.1uf 25v z agnd3 md _m p 26 p4 md _m p 3 ld2 0 1/8w m_c p[2] md _m p 52 as_mp vcc3 rt1 avdda2 md _m p 32 md_mp[0..63] p[4] wrn_dptv p[9] scl2 p[1,2,5...

  • Page 47

    Schematic diagram - 45 - vcc3_m cd62 0.01uf 50v option: do not stuff casnmp cd57 0.1uf 25v z u49 sm84l512k a0 31 a1 32 a2 33 a3 34 a4 47 a5 48 a6 49 a7 50 a8 30 a9 51 ba 29 cke 54 cl k 55 c \a\ s\ 26 c\ s \ 28 dq0 97 dq1 98 dq10 63 dq11 64 dq12 68 dq13 69 dq14 71 dq15 72 dq16 9 dq17 10 dq18 12 dq19 ...

  • Page 48

    Schematic diagram - 46 - rst_dptv p[3,9,16] s_video p[2] md _s p 18 hsy nc y 1_s rds19 0 1/16w avdd2_s p[6] md _s p 20 g xtlo md _s p 54 r md _s p 51 cdsb0 0.01uf 50v cds34 0.1uf 25v z cds11 0.1uf 25v z + cds18 220uf 16v capd13_ p[3] md _s p 52 md _s p 8 14 sda_sp p[16] md _s p 0 lds1 0 1/8w capd15_...

  • Page 49

    Schematic diagram - 47 - md_sp[0..63] p[5] rds33 33 1/16w u50 sm84l512k a0 31 a1 32 a2 33 a3 34 a4 47 a5 48 a6 49 a7 50 a8 30 a9 51 ba 29 cke 54 cl k 55 c \a\ s\ 26 c\ s \ 28 dq0 97 dq1 98 dq10 63 dq11 64 dq12 68 dq13 69 dq14 71 dq15 72 dq16 9 dq17 10 dq18 12 dq19 13 dq2 100 dq20 17 dq21 18 dq22 20 ...

  • Page 50

    Schematic diagram - 48 - dpwb11393-1g--s 1.0 digital system - vga input / out put c 7 16 tuesday, july 30, 2002 title size document number rev date: sheet of r148 1.2k 1/16w fgvs f13 rfiln1020-1---a 1 2 3 c159 0.01uf 50v v v v r163 100 1/16w d26 bav99 1 3 2 r157 4.7 1/16w u35 socket i1177-108-- 1 2 ...

  • Page 51

    Schematic diagram - 49 - dra2 gagrn0 dgb6 d dga3 gbblu2 l19 0 1/8w v33adc drb2 gared1 c133 0.1uf 25v z gbred[0..7] rp20 33 ohm 1 8 2 7 3 6 4 5 drb3 gared4 sda2_33 c114 0.1uf 25v z dgb1 dgb5 c109 0.047uf 16v c116 0.1uf 25v z scl2_33 p[3,9,16] fgbin p[7] c136 0.1uf 25v z gagrn4 gbblu4 u31 ba033 1 2 3 ...

  • Page 52

    Schematic diagram - 50 - a4 d tp23 d_ctl p[16] hsync_mp p[1] scl2 sda2 p[1,2,3,5,16] r62 100 1/16w r59 47 1/16w t c7 10pf 50v 5v_osd rstnc711 p[11] sd a 2_33 u1 a5-32-10vc4 1 2 3 8 25 12 16 38 6 17 9 10 11 13 14 5 27 28 39 4 7 26 29 15 18 19 20 21 22 23 24 30 31 32 33 34 35 36 37 40 41 42 43 44 i/o5...

  • Page 53

    Schematic diagram - 51 - tmdsd1n scdt qo13 tmdsd2n p5v sb5v qe17 tmdscn tmdsd2p pid[24..31] p[8,11] rxcp qe2 j24 t128a-bjst 1 2 3 4 5 6 7 8 9 10 qe18 qe20 qe14 qe0 t c153 100pf 50v p5v qe[0..7] tmdsd1p scldvi dvi_vs t c145 330pf 50v rp23 33 ohm 1 8 2 7 3 6 4 5 d16 bav99 1 3 2 l23 0 1/8w rx1p rp29 33...

  • Page 54

    Schematic diagram - 52 - tp55 sclk p[9] pid25 sscs gout0 v33p md _i p2 4 md _i p2 1 u23 ip00c713 190 191 192 193 194 195 196 197 198 199 201 203 204 205 206 207 208 209 210 211 214 215 216 217 218 219 220 221 222 223 225 226 227 228 229 230 231 232 233 234 235 238 239 240 241 242 243 244 245 246 248...

  • Page 55

    Schematic diagram - 53 - md_ip18 ma_ip3 md_ip36 md_ip20 l16 0 1/8w md_ip29 md_ip30 wrn_ip md_ip21 ma_ip6 vdram ldqm p[11] ma_ip1 ma_ip0 md_ip27 dpwb11393-1g--s 1.2 digital system - image sdram 16m b 12 16 tuesday , july 30, 2002 title size document number rev date: sheet of md_ip31 ma_ip4 vdram ma_i...

  • Page 56

    Schematic diagram - 54 - pihs p[11] t c51 12pf 50v d poclk r82 4.7 1/16w d y 3 14.318mhz d dvi_hs p[10] d d poclkosd p[9] r80 33 1/16w pllclk p[9] r81 33 1/16w u16 ics9161a 13 3 6 7 5 1 2 4 8 9 10 11 12 14 15 16 vdd avdd x1 x2 gnd sel0_clk sel1_data oe mclk vclk errout extclk init0 init1 extsel pd d...

  • Page 57

    Schematic diagram - 55 - gout2 vsynco p[9,11] pnl_ctln p[9] bgout7 bgout3 rout[0..7] br bo ut 5 c61 0.1uf 25v z vccbf gnd poclk gout0 rout4 l12 0 1/8w gnd br bo ut 0 u66 ds90c385 1 9 17 26 44 34 31 50 2 51 52 54 55 56 3 8 10 4 6 7 11 12 14 5 13 21 29 33 30 25 27 28 32 16 18 15 19 20 22 23 24 35 36 4...

  • Page 58

    Schematic diagram - 56 - r397 124 1/16w f ld14 0 1/8w u53 ba033 1 2 3 vin gn d vout + cds84 22uf 16v cds91 0.1uf 25v z c332 0.01uf 50v for ip00c711 d d + cds97 22uf 16v d d lds19 0 1/8w d cd86 0.1uf 25v z p(6) c330 0.01uf 50v 5vddm_s lds15 0 1/8w d cd91 0.1uf 25v z + cd97 22uf 16v cd96 0.1uf 25v z d...

  • Page 59

    Schematic diagram - 57 - d s2_y d l_out +5vsb 24v d tv_r p[2] scl2 p[1,2,3,5,9] + c411 220uf 16v gnd_tuner yuv2_r p[2] l_out c378 1000pf 50v scl2 c421 0.1uf 25v z tv_l p[2] dvi_r p[2] yuvn_rgb c403 0.22uf 50v m v spk_ctl p[9] +24v l28 10uh f26 120Ω d + c412 100uf 16v l26 10uh c427 0.1uf 25v z rgb_l ...

  • Page 60

    Schematic diagram - 58 - c55 1uf 10v z c69 0.1uf 16v r55 0 1/16w c15 1000pf 50v 1 r54 n/0 1/16w r_in al + c1 22uf 16v + c53 100uf 35v p17v + c36 1uf 50v rr14 47k 1/16w 1132 srnd on = 1 cr28 0.01uf 50v rr24 2.7k 1/16w + c41 4.7uf 50v surr2 aud mut e = 0 + c9 4.7uf 50v r40 2.7k 1/16w cr20 0.027uf 16v ...

  • Page 61

    Schematic diagram - 59 - mute_1 lch rch sub_wfr rs1 22k 1/16w gnd smd rs4 47k 1/16w cs4 0.1uf 16v mute_1 rs6 10k 1/16w 5v + cs2 10uf 16v rs3 47k 1/16w 12v_0 sub_woofer out + cs1 47uf 16v rs2 22k 1/16w cs5 0.047uf 16v ics2 tc4w53fu 1 2 3 4 8 7 6 5 com inh vee vss vdd ch0 ch1 adr 1/2vcc 5v gnd lch 12v...

  • Page 62

    Schematic diagram - 60 - s1a p1177-1---- 4 2 5 1 3 6 re11 47k 1/16w rgb_r + ce31 2.2uf 50v pb2_cb2 av_video j12d p1159-1-4-c 6 5 dpwb11372-1g-t - 0.1 av connector(av3) c 1 2 friday, july 26, 2002 title size document number rev date: sheet of re2 n/75 pr2/cr2 s2_l y1 fe1 0 1/8w j15a p1158-1-6-c 1 2 s...

  • Page 63

    Schematic diagram - 61 - aft_tuner vr201 10k 1 3 2 c242 0.01uf 500v r205 100 1/16w sub_wfr sda2 if + c224 220uf 16v 9v aout + c243 4.7uf 160v q241 2sc2482 t c212 220pf 50v r210 1k 1/16w scl r212 39k 1/16w r208 1.5k 1/16w ic241 ne555d 2 5 3 7 6 4 8 1 tr ig . Cv ou t dis th r rs t vc c gn d l_out sda2...

  • Page 64

    Schematic diagram - 62 - r174 3.3k 1/16w 5vsb_fp - 5vsb_fp r173 1k 1/16w + c237 100uf 10v m s5 sw-a1214 dpwb11372-1g-k- 0.1 digital board system a 1 1 monday , july 29, 2002 title size document number rev date: sheet of s6 sw-a1214 vol rc_out s4 sw-a1214 to digital board sw_out s7 sw-a1214 r167 1.5k...

  • Page 65

    Electronic modules list - 63 - model name: vpw425 no. Module supplier supplier's designator / part # quantit y per final assemb ly sub-con name sub-con location projected mtbf projected afr curren t revisio n level 1 image board sampo dpwb11393-1g--s 1 2 ac master power switch board sampo dpwb11398-...

  • Page 66

    Packing of the list - 64-.