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Sampo SC-29FAS Service Manual

Summary of SC-29FAS

  • Page 1

    Sampo service manual sc-29fas 1、 caution………………………………………………………………………2 2、 specification…………………………………………………………………6 3、 alignment procedure ………………………………………………………9 4、 block diagram ……………………………………………………… 21 5、 schematic diagram ……………………………………………………22 6、 ic brief introduction …………………………………………………27 7、 pcb la...

  • Page 2: Caution

    Warning: to reduce risk of fire or electric shock, do not expose this appliance to rain or moisture. Ca ution: to reduce the risk of electrical shock, do not remove cover (or back). No user serviceable par ts inside. Refer ser vicing to qualified service personnel. The lighting flash with arrowhead ...

  • Page 3: For Your Personal Safety

    3 for your personal safety 1. When the power cord or plug is damaged or frayed, unplug this television set from the wall outlet and refer servicing to qualified service personnel. 2. Do not overload wall outlets and extension cords as this can result in fire or electric shock. 3. Do not allow anythi...

  • Page 4

    4 protection and location of your set 11. Do not use this television set near water ... For example, near a bathtub, washbowl, kitchen sink, or laundry tub, in a wet basement, or near a swimming pool, etc. Never expose the set to rain or water. If the set has been exposed to rain or water, unplug th...

  • Page 5: Operation Of Your Set

    Operation of your set 18. This television set should be operated only from the type of power source indicated on the marking label. If you are not sure of the type of power supply at your home, consult your television dealer or local power company. For television sets designed to operate from batter...

  • Page 6

    2、specification model item master data -version v2.0 -customer id -destination sa -brand -bom no. 03-be12sq-sm0 -chassis m60 -tuning [channels amt.] -tuning [indication] -frequency bands full-cable -if frequency 45.75mhz -tv systems (color+ sound) ntsc m -av systems ntsc m / pal m n picture-processi...

  • Page 7

    Model item 29e12 balance x equalizer x(substitute for t&b) smart sound * modes x others loudness -speakers quantity 2 user interface -menu language english, spanish, french,portuguese -features [general] at biological lock calendar x clock x channel swap x channel adjustment channel naming x child l...

  • Page 8

    Model item 29e12 connectors rear -scart full w/o y/c -scart full with y/c -scart single (cvbs) -component in (ypbpr) cinch for 50hz x -in y/c+cinch(cvbs+ stereo) -in y/c+cinch (cvbs+ mono) -in cinch(cvbs+ stereo) x -in cinch (cvbs+ mono) -out cinch(cvbs+ stereo) x -out cinch(cvbs+ mono) -super woofe...

  • Page 9

    3、alignment procedure table of content 1.General...................................................................................................................................... 10 1.1 common information ..............................................................................................

  • Page 10

    1. General 1.1 common information use isolating transformer with low internal resistance. Mains voltage is 100-240 v ac, unless otherwise stated. All voltages and waveforms mentioned are with respect to ground. Do not use heat-sink as ground 1.2 how to enter&exit factory mode (service menu, service ...

  • Page 11

    Don’t try to initialize eeprom, unless software can’t work normally. 2. Alignment procedures: 2.1 b+ voltage adjustment 2.1.1 needn’t adjust b+ voltage on the line. All relevant connectors and modules must be connected and inserted. Mains voltage is at 230vac, 50hz or 110vac, 60hz. Apply color bar t...

  • Page 12

    2.5.1 choose black and white pattern signal (pal). 2.5.2 on factory mode, press “1” key enter white balance adjustment. 2.5.3 measure the dark side of the picture with a color analyzer adjust red and grn until the data on the analyzer match standard data.(x=274+8, y=280+8). 2.5.4 measure the bright ...

  • Page 13

    2.7.2 horizontal geometry adjustment a. Input a pal cross hatch pattern with black and white background signal. B. Press key “3” enter horizontal geometric adjustment. C. Use remote control to adjust one by one , watch the figure, until the center and the vertical line at left and right side of the ...

  • Page 14

    2.10 ps line polarities test this test only the machines which will sell to nafta should be done. Test method ： connect as drawing below ： dx 2.2k power supply jack m to f801 plug the card power connector plugs to power supply jack m, and use multimeter pen touch f801 random pin, then led dx should ...

  • Page 15

    C. Measure the eht-voltage at zero beam current (i beam = 0µa). D. Subsequently, measure the eht-voltage at respective i beam(s) . It should satisfy request below ： 2.13 heater voltage test ( random test ) equipment requirements : true rms voltmeter input signal type ： philips test card ( from 1 mv ...

  • Page 16

    Key2 key3 model no. 6scl* 6wbf* 6wbr* 6bswbf* 6bswbr* 5hsh* 5par* 5bow* 5eww* 5ewp* 29276sq 32 12 9 15 15 30 22 39 24 37 s29e12k 32 12 9 15 15 30 22 39 24 37 s29m62k 32 12 9 15 15 17 47 28 36 28 16.

  • Page 17

    Key3 model no. 5ucr* 5lcr* 5ewt * 6hsh* 6par* 6bow* 6eww* 6wep* 6ucr* 6lcr* 6ewt* 29276sq 40 44 18 40 26 39 26 41 42 44 11 s29e12k 40 44 18 40 26 39 26 41 42 44 11 s29m62k 40 48 24 40 26 39 26 41 42 44 11 key4 model no. Rf agc* cpek pal cfpek pal cfpek nts cfpek yuv ifpl bbtc pg r/g/b vg2bri* hdol 2...

  • Page 18

    Key 7 model no. Shptv4 shpx shpn osd bri cc bri 5ccd h 5c cd v 5osdh 5osdv 5menuv menuh 29276sq 31 31 31 15 8 8 35 15 42 18 7 s29e12k 31 31 31 15 8 8 35 15 42 18 7 s29m62k 31 31 31 15 8 8 35 15 42 18 7 key 7 model no. 6ccdh 6ccdv 6osdh 6osdv 6menuv menuh 29276sq - - - - - - s29e12k 8 35 15 42 18 7 s...

  • Page 19

    Key display key0 vol vol vol vol ydfe dec mono nic sap adc dcxo niclp pscale model no. 1 25 50 100 pal lvl lvl lvl lvl lvl capv* inv* 29276sq 27 121 135 148 15 0 0 0 0 0 54 not inverted 0.375 s29e12k 27 122 143 163 15 0 0 0 0 0 54 not inverted 0.375 s29m62k 27 122 135 159 15 0 0 0 0 0 54 key0 key no...

  • Page 20

    4. White balance address r g b r amp g amp b amp r cut g cut b cut remark offset data 142 143 150 146 161 ***** factual setup ic write(lsb) sub add 32 33 34 23 24 ***** start bit 6 6 6 6 6 ***** st0p bit 0 0 0 0 0 ***** e 2 prom sub add(lsb) 122 123 124 119 120 ***** tv standard color tem reference ...

  • Page 21

    Eht screen focus vertical scan saw waveform if r/l/mute rgb akb tda12001h ic200 tuner tu 100 pre- amplifier q100 saw filter z100 key board side av av1 av2 s-video y cb cr l 24c16 ic001 audio amplifier tda8177 ic600 video amplifier circuit vertical scan amplifier tda8177 ic300 hor.Prompting q402 hor....

  • Page 22

    5 、 schematic diagram.

  • Page 24

    24.

  • Page 27: Compan

    Compan y confidential uncontr olled copy uncontr olled copy uncontr olled copy uncon tr uncontr olled co uncontr olled copy uncontr ol le un co 1. General description the uoc iii series combines the functions of a video signal processor (vsp) together with a flash embedded text/control/graphics µ -c...

  • Page 28: Uoc

    Uncontr olled copy uncontr olled copy uncontr olled copy uncon tr uncontr olled co uncontr olled copy uncontr ol le un co xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxx...

  • Page 29

    7、 pcb layout.

  • Page 31

    31 8、 explode view diagram.

  • Page 32

    Part no. Description qtyunit bom text t8-002909-sky ass'y - skd packing 1 ea 74-060060-40f polybag antistatic (main pcb) 1 pc 75-326030-c00 skd polyfoam 1.25 pc 76-002509-0ac carton box 0.08 pc 74-015020-50q plastic bag 1 pc for crt bd packing t8-29rfln-hf3qa ass'y - crt parts 1 pc t8-29rfln-chf3qa ...

  • Page 33

    11-sa1837-0ax transistor 2sa1837 1 pc q707 11-sc1815-ybx transistor 2sc1815-y (npn) 1 pc q701 11-sc1815-ybx transistor 2sc1815-y (npn) 1 pc q702 11-sc1815-ybx transistor 2sc1815-y (npn) 1 pc q704 11-sc1815-ybx transistor 2sc1815-y (npn) 1 pc q705 11-sc1815-ybx transistor 2sc1815-y (npn) 1 pc q703 11...

  • Page 34

    26-ebp101-jcs cap. Cer 100 pf 50v +/-5% 1 pc c708 26-ebp103-zfx cap. Cer 0.01uf 50v +80/-20% f 1 pc c701 34-a100k0-1ix coil choke 10 uh +/-10% 1 pc l701a 35-lb1005-0ix ferr bead h75 (3.5x1x5) 1 pc l704 35-lb1005-0ix ferr bead h75 (3.5x1x5) 1 pc l703 35-lb1005-0ix ferr bead h75 (3.5x1x5) 1 pc l702 40...

  • Page 35

    19-bb0100-jtx res. Smd 10 ohm 1/10w +/-5% 1 pc r534 19-bb0100-jtx res. Smd 10 ohm 1/10w +/-5% 1 pc r514 19-bb0103-jtx smd. Res 10k ohm 1/10w +/-5% 1 pc r522 19-bb0103-jtx smd. Res 10k ohm 1/10w +/-5% 1 pc r532 19-bb0103-jtx smd. Res 10k ohm 1/10w +/-5% 1 pc r512 19-bb0271-jtx smd. Res 270 ohm 1/10w ...

  • Page 36

    41-wj0090-b00 wire bare jumper 9mm 1 pc j986 41-wj0100-b00 wire bare jumper 10mm 1 pc j983 41-wj0100-b00 wire bare jumper 10mm 1 pc j985 46-39136h-07xg 7p 2468#24/1185#26 550 tjc3-7y/sc 1 pc p003c for sm. Bd 47-rca178-xx0g rca socket av-3.2-3lk15 1 pc p941 41-wj0100-b00 wire bare jumper 10mm 1 pc j9...

  • Page 37

    41-wj0060-b00 wire bare jumper 6mm 1 pc j301 41-wj0075-b00 wire bare jumper 7.5mm 1 pc j402 41-wj0075-b00 wire bare jumper 7.5mm 1 pc r824b 41-wj0075-b00 wire bare jumper 7.5mm 1 pc r604 41-wj0125-b00 wire bare jumper 12.5mm 1 pc r323 46-12866w-02xg pin base *2 s11-02y 1 pc p601 for front 46-33079w-...

  • Page 38

    18-cb0102-jnx res. C.F. 1k ohm 1/6w +/-5% 1 pc r316 18-cb0102-jnx res. C.F. 1k ohm 1/6w +/-5% 1 pc r314 18-cb0103-jnx res. C.F. 10k ohm 1/6w +/-5% 1 pc r615 18-cb0103-jnx res. C.F. 10k ohm 1/6w +/-5% 1 pc r605 18-cb0122-jnx res. C.F. 1.2k ohm 1/6w +/-5% 1 pc r300 18-cb0222-jnx res. C.F. 2.2k ohm 1/6...

  • Page 39

    27-mcc104-j0x cpm 100n0f +5% 100.0v r=n 1 pc c421 27-pbc102-j0x cap. P.E 0.001uf 63v +/-5% 1 pc c606 27-pbc102-j0x cap. P.E 0.001uf 63v +/-5% 1 pc c600 34-a109k0-1ix coil choke 1 uh +/-10% 1 pc l401 36-wid472-xx1 coil width 4.7mh td1016a4701 1 pc l404 40-m68001-lsb1xg p.C.B ls bd 1 pc 41-wj0060-b00 ...

  • Page 40

    66-343730-0b0 hollow rivet 1.6mmx3.0mmx3.2mm 4 pc for t402 66-343730-0b0 hollow rivet 1.6mmx3.0mmx3.2mm 4 pc for l400, l403 67-h30147-0a0 heat sink 1 pc for q405 67-h30179-7a0 heat sink 1 pc for ic300 67-h40067-2a0 standard heat sink 1 pc for q407 67-m40068-1e4 crt bracket 1 pc for q407 67-m41117-0e...

  • Page 41

    25-bjg221-m1x cap. Elec 220 uf 160v +/-20% 1 pc c814 25-bjg221-m1x cap. Elec 220 uf 160v +/-20% 1 pc c806 26-abc102-kbx cap. Cer 1000 pf 50v +/-10% b 1 pc c848 26-abc104-zfx cap. Cer 0.1 uf 50v +80-20% f 1 pc c837 26-abc104-zfx cap. Cer 0.1 uf 50v +80-20% f 1 pc c842 26-abc104-zfx cap. Cer 0.1 uf 50...

  • Page 42

    41-wj0100-b00 wire bare jumper 10mm 1 pc jp803 41-wj0100-b00 wire bare jumper 10mm 1 pc d824 41-wj0125-b00 wire bare jumper 12.5mm 1 pc j825 41-wj0125-b00 wire bare jumper 12.5mm 1 pc j824 41-wj0125-b00 wire bare jumper 12.5mm 1 pc j808 41-wj0125-b00 wire bare jumper 12.5mm 1 pc j809 41-wj0125-b00 w...

  • Page 43

    41-wj0115-b00 wire bare jumper 11.5mm 1 pc j918 41-wj0115-b00 wire bare jumper 11.5mm 1 pc j917 41-wj0125-b00 wire bare jumper 12.5mm 1 pc j919 47-rca023-xx1g rca jack 3 pv yel whi red/sw 1 pc p901 t8-29m60a-yuy ass'y - yuv parts 1 pc 10-79c5v6-dbx diode zener 5v6 1/2w 5% 1 pc d903 10-79c5v6-dbx dio...

  • Page 44

    19-bb0184-jtx smd. Res 180k ohm 1/10w +/-5% 1 pc r235 19-bb0203-jtx smd. Res 20k ohm 1/10w +/-5% 1 pc r201 19-bb0221-jtx smd. Res 220 ohm 1/10w +/-5% 0805 1 pc r219 19-bb0224-jtx smd. Res 220k ohm 1/10w +/-5% 1 pc r260 19-bb0390-jtx smd. Res 39 ohm 1/10w +/-5% 0805 1 pc r218 19-bb0472-jtx smd. Res 4...

  • Page 45

    10-79c2v4-dbx diode zener 2v4 1/2w 5% 1 pc d004 10-79c33v-dbx diode zener 33v 1/2w 5% 1 pc d102 10-79c3v9-dbx diode zener 3v9 1/2w 5% 1 pc d003 10-79c5v1-dbx diode zener 5v1 1/2w 5% 1 pc d080 10-79c5v6-dbx diode zener 5v6 1/2w 5% 1 pc d204 10-79c5v6-dbx diode zener 5v6 1/2w 5% 1 pc d907 10-79c5v6-db...

  • Page 46

    19-bb0000-jtx smd. Res 0 ohm 1/10w +/-5% 1 pc j230 19-bb0000-jtx smd. Res 0 ohm 1/10w +/-5% 1 pc jp209 19-bb0000-jtx smd. Res 0 ohm 1/10w +/-5% 1 pc j231 19-bb0000-jtx smd. Res 0 ohm 1/10w +/-5% 1 pc j258 19-bb0000-jtx smd. Res 0 ohm 1/10w +/-5% 1 pc l225 19-bb0000-jtx smd. Res 0 ohm 1/10w +/-5% 1 p...

  • Page 47

    19-bb0332-jtx smd. Res 3.3k ohm 1/10w +/-5% 1 pc r028 19-bb0332-jtx smd. Res 3.3k ohm 1/10w +/-5% 1 pc r261 19-bb0332-jtx smd. Res 3.3k ohm 1/10w +/-5% 1 pc r029 19-bb0332-jtx smd. Res 3.3k ohm 1/10w +/-5% 1 pc r027 19-bb0333-jtx smd. Res 33k ohm 1/10w +/-5% 1 pc r270 19-bb0333-jtx smd. Res 33k ohm ...

  • Page 48

    25-bfb109-m1x cap. Elec 1 uf 50v +/-20% 1 pc c234 25-bfb229-m1x cap. Elec 2.2 uf 50v +/-20% 1 pc c203 25-bfb229-m1x cap. Elec 2.2 uf 50v +/-20% 1 pc c266 25-bfb229-m1x cap. Elec 2.2 uf 50v +/-20% 1 pc c265 25-bfb229-m1x cap. Elec 2.2 uf 50v +/-20% 1 pc c919 25-bfb229-m1x cap. Elec 2.2 uf 50v +/-20% ...

  • Page 49

    28-bb0104-zfx smd cap. 0.1 uf 50v +80/-20% 0805 1 pc c245 28-bb0104-zfx smd cap. 0.1 uf 50v +80/-20% 0805 1 pc c242 28-bb0104-zfx smd cap. 0.1 uf 50v +80/-20% 0805 1 pc c007 28-bb0104-zfx smd cap. 0.1 uf 50v +80/-20% 0805 1 pc c258 28-bb0104-zfx smd cap. 0.1 uf 50v +80/-20% 0805 1 pc c251 28-bb0104-...

  • Page 50

    34-a100k0-1ix coil choke 10 uh +/-10% 1 pc l101 34-a100k0-1ix coil choke 10 uh +/-10% 1 pc l200 34-a100k0-1ix coil choke 10 uh +/-10% 1 pc l003 34-a100k0-1ix coil choke 10 uh +/-10% 1 pc l206 34-a100k0-1ix coil choke 10 uh +/-10% 1 pc l204 34-a100k0-1ix coil choke 10 uh +/-10% 1 pc l210 34-a100k0-1i...

  • Page 51

    41-wj0100-b00 wire bare jumper 10mm 1 pc j083 41-wj0100-b00 wire bare jumper 10mm 1 pc j928 41-wj0100-b00 wire bare jumper 10mm 1 pc j921 41-wj0100-b00 wire bare jumper 10mm 1 pc j913 41-wj0100-b00 wire bare jumper 10mm 1 pc j220 41-wj0100-b00 wire bare jumper 10mm 1 pc j914 41-wj0100-b00 wire bare ...

  • Page 52

    64-p30080-104g m/c screw p 3 x 8 1 pc mtg q080 67-h10918-4m2 heat sink 1 pc for q080 19-bb0223-jtx smd. Res 22k ohm 1/10w +/-5% 1 pc r046 18-ce0561-jnx res. C.F. 560 ohm 1/2w +/-5% 1 pc r080a t8-d29m60-psy ass'y - energy saving bd ac110 1 pc 10-0001h8-fbx diode 1h8 (fast recovery) 1 pc d860 10-0fr10...

  • Page 53

    46-35184w-03xg pin base *3 tjc1-3a 1 pc p860 63-w30100-ab4g s/t screw w 3 x 10 ab 4 pc mtg energy saving t8-be12aq-swy ass'y - power switch bd 1 pc 40-29e11e-swc1xg p.C.B switch bd 1 pc 46-35184w-03xg pin base *3 tjc1-3a 1 pc p801 for power cord 46-28559w-02xg pin base *2 tjc1-2a 1 pc p802 46-35073h...

  • Page 54

    63-w30140-hs4g s/t screw w 3 x 14 hs 4 pc mtg spk 63-z30100-ab4g s/t screw 3.0 x 10 2 pc mtg pwr sw. Bd 63-z60300-ab4g s/t screw ha 6x30 4 pc mtg crt 67-x21679-0e0 spring crt 6mmx50mmx0.6mm 2 pc 67-x34599-0e2 spring 1 pc t8-be12aq-fcyz ass'y - front cabinet "art" 1 pc 55-be12fc-0cn front cabnet 1 pc...