Caution : in this manual, some parts can be changed for improving. Their performance without notice in the parts list. So, if you need the latest parts information, please refer to ppl(parts price list)in service information center. Service manual lcd tv chassis : model : s/m no. : tsls00aef0 la32l1...
Contents 1. Safety precaution.................................................................................................................3 2. Preliminary troubleshooting ..............................................................................................4 3. Product specification .......
1. Safety precaution -3- (1) when moving or laying down a lcd set, at least two people must work together. Avoid any impact towards the lcd set. (2) do not leave a broken lcd set on for a long time. To prevent any further damages, after checking the condition of the broken set, make sure to turn the...
2. Preliminary troubleshooting -4- 1) lcd tv does not response or remote controller does not work. - check the power cord to be plugged. - check the battery of the remote controller. 2) sound is discontinuous or broken sometimes. - check if [sound] -> [avc] is [on]. - set the sound effect into 'f mo...
3. Product specification -5- 1) standard of product owing to our policy of continuous improvement, specifications may change..
Product specification -6- 2) available input signal i) tvmode Ø color standard : ntcs, atsc Ø reception channel : ch 2~13 (vhf), ch 14~69 (uhf), ch 1, 14~125(cable) Ø sound transmission system : fm mono, 2 carrier, dolby digital Ø if &subcarrier : g pif : 45.75mhz g sif : 41.25mhz g sound subcarrier...
Product specification -7- 3) closed caption spec i) digital(atsc) standard inspection pattern : cc708 spec stream(release to gumi factory : 2007.02.02) ii) the caption feature doesn’t work in component, hdmi, and pc modes. Iii) the availability of captions depends on the program being broadcast. Iv)...
Product specification -8- 4) v chip(parental control) spec i) the rating doesn't work in pip/pop mode. Reservse case is the same. Ii) the rating setting is possible only on the menu. Iii) inital password : 2-2-1-1. Iv) universal key cord (when user does not know password) : 5-4-2-2. V) the tv parent...
4. Service remote controller -9- 1) key arrangement ch map save recall heat-run no function sound processor test pattern hotel mode volume white balance auto calibration demodulator misc factory reset.
Service remote controller -10- 2) service mode data to enter service mode, a. Press “ “mute” -> “display” -> “mute” button of remote controller(r-55m15) b. Press “s9” button of service remote controller..
5. Block diagram -11- 1) block diagram of digital board.
-12- block diagram 2) power tree.
-13- 6. Hardware trouble shooting 1) no picture & no sound - in case of all mode start yes yes yes yes yes no no no no check the smps and input voltage ic401 problem. Replace the main pcb power board problem replace the power pcb check the input power of digital board s p801 #14, 15pin 12v is correc...
-14- hardware trouble shooting 2) no picture - analog & component mode - in case of atv, video, component mode start yes yes yes yes yes no no no no check the smps and input voltage ic401 problem. Replace the main pcb 1) tv mode: check the path tu101(ce102) -> ic202(cc214, rc230) -> ic401(rc226, rc2...
-15- cvbs signal(cc220) near ic401(top) hardware trouble shooting a. When “no signal” in rf, av1, av2 1) first check if other inputs are not working =>if other inputs are not working, replace main pcb 2) checking waveforms with color bar pattern(using the oscilloscope) -main tp(rf) : cc220 near ic40...
-16- hardware trouble shooting y signal(cc211) b. When “no signal” in y/c signal (s-video) 1) first check if other inputs are not working =>if other inputs are not working, replace main pcb 2) checking waveforms with color bar pattern(using the oscilloscope) -main tp(s-video_y) : cc211 near ic202(to...
Hardware trouble shooting -17- y signal(rc238) c. When “no signal” in y/pb/pr signal (component) 1) first check if other inputs are not working =>if other inputs are not working, replace main pcb 2) checking waveforms with color bar pattern(using the oscilloscope) -main tp(comp_y) : rc238 near ic401...
Hardware trouble shooting -18- pr signal(rc239).
Hardware trouble shooting -19- 3) no picture-digital tv mode check the ic path. Tuner(tu101): lc111, cc156~158, rc104, rc105 stv0374(ic101): ra101~103, rc122 b+: 1v: (pin10,34,35,42,53,58,68,78,89) 2.5v: (pin14,18,19,28) 3.3v: (pin49,67,80) start yes yes yes yes yes no no no no select air/cable in a...
Hardware trouble shooting -20- 4) no picture- pc & hdmi mode start yes yes yes yes yes no no no no check the smps and input voltage ic401 problem. Replace the main pcb check the input power of ic401 is correct check the lvds signal output of ic401 is correct check the lvds connector and cable is cor...
Hardware trouble shooting -21- 1024 x 768, 60hz r signal(rc239) a. When “no signal” in pc 1) first check if other inputs are not working =>if other inputs are not working, replace main pcb 2) checking waveforms with color bar pattern(using the oscilloscope) -main tp(r signal) : rc239 near ic401(top)...
Hardware trouble shooting -22- b signal(rc237) h-sync(rc207).
Hardware trouble shooting -23- v-sync(rc206) b. When “no signal” in hdmi 1) first check if other inputs are not working =>if other inputs are not working, replace main pcb 2) checking waveforms with color bar pattern(using the oscilloscope) -main tp(hdmi1_clock) : pin35 near ic201(top) =>if all tp s...
Hardware trouble shooting -24- 5) no sound.
-25- hardware trouble shooting * pin 14 is status output of backlight inverter. Status output of pin 14 normal 3.0v to 5.0v abnormal 0v to 0.7v 6) lcd panel backlight inverter check.
7. Schematic -26-.
Schematic -27-.
Schematic -28-.
Schematic -29-.
Schematic -30-.
Schematic -31-.
Schematic -32-.
Schematic -33-.
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Schematic -35-.
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Schematic -40-.
Schematic -41-.
-42- 8. Software upgrade methord 1. This model requires ‘dtv150_main.Bin’ binary file and usb memory for upgrade. 2. The upgrade file must be named dtv150_main.Bin, and located in root directory in usb memory. 3. Press s9 button in service remote controller, and check the decoder version. 4. And mov...
9. Bill of materials -43- loc parts code parts name parts description zz100 48b6360a04 transmitter remocon r-60a04 (aaa) zz110 ptacpwg469 accessory as la32l1b1lm 60 4850q00910 battery r03/nn ma211c 7172401652 screw tapptite tt2 trs 4x16 mfzn bk 3cr m212 4852182601 cover bottom hips bk m385a 71724016...
Bill of materials -44- loc parts code parts name parts description zz100 48b6360a04 transmitter remocon r-60a04 (aaa) zz110 ptacpwg471 accessory as la42l1b1lm 60 4850q00910 battery r03/nn m211c 7172401652 screw tapptite tt2 trs 4x16 mfzn bk 3cr m211d 7115401552 screw tapping flt 4x15 mfzn bk 3cr m21...
-45- bill of materials loc parts code parts name parts description jk201 4859118050 jack pin dpse-9926s jk202 4859105340 jack s-vhs dsw-10 (straight) jk203 4859201860 conn d-sub shd-015-c0925 (15p st female) jk206 4959102340 jack phone spj-358h(3.5 straight) jk208 4859117950 jack pin dpse-0415s jk21...
-46- bill of materials cc708 hcfk104zba c chip cera 50v y5v 0.1mf z 1608 cc810 hcbk103kba c chip cera 50v x7r 0.01mf k 1608 cc812 hcbk332kba c chip cera 50v x7r 3300pf k 1608 cc822 hcbk103kba c chip cera 50v x7r 0.01mf k 1608 cc824 hcbk332kba c chip cera 50v x7r 3300pf k 1608 cc839 hcbk103kba c chip...
Bill of materials -47- cc126 hcqk330jba c chip cera 50v ch 33pf j 1608 cc127 hcqk330jba c chip cera 50v ch 33pf j 1608 cc128 hcfk104zba c chip cera 50v y5v 0.1mf z 1608 cc137 hcfk104zba c chip cera 50v y5v 0.1mf z 1608 cc139 hcfk104zba c chip cera 50v y5v 0.1mf z 1608 cc143 hcqk101jba c chip cera 50...
Bill of materials -48- cc807 hcfk104zba c chip cera 50v y5v 0.1mf z 1608 cc808 hcbk102kba c chip cera 50v x7r 1000pf k 1608 cc809 hcbk103kba c chip cera 50v x7r 0.01mf k 1608 cc819 hcfk104zba c chip cera 50v y5v 0.1mf z 1608 cc820 hcbk102kba c chip cera 50v x7r 1000pf k 1608 cc821 hcbk103kba c chip ...
Bill of materials -49- lc230 hff221b00a f chip ferrite bead 220 ohm gbk 1608 lc231 hff221b00a f chip ferrite bead 220 ohm gbk 1608 lc301 hff102b00b f chip ferrite bead 1000 ohm pby 1608 lc401 hff221b00a f chip ferrite bead 220 ohm gbk 1608 lc402 hff102b00b f chip ferrite bead 1000 ohm pby 1608 lc403...
Bill of materials -50- rc289 hrft000jba r chip 1/10 0 ohm j 1608 rc290 hrft000jba r chip 1/10 0 ohm j 1608 rc291 hrft000jba r chip 1/10 0 ohm j 1608 rc292 hrft000jba r chip 1/10 0 ohm j 1608 rc295 hrft000jba r chip 1/10 0 ohm j 1608 rc296 hrft000jba r chip 1/10 0 ohm j 1608 rc297 hrft000jba r chip 1...
Bill of materials -51- rc623 hrft221jba r chip 1/10 220 ohm j 1608 rc624 hrft221jba r chip 1/10 220 ohm j 1608 rc627 hrft224jba r chip 1/10 220k ohm j 1608 rc628 hrft224jba r chip 1/10 220k ohm j 1608 rc629 hrft224jba r chip 1/10 220k ohm j 1608 rc630 hrft224jba r chip 1/10 220k ohm j 1608 rc631 hrf...
10. Mechanical exploded view -52- 1) la32l1b1lm.
Mechanical exploded view -53- 2) la37l1b1lm.
Mechanical exploded view -54- 3) la42l1b1lm / la42l1b1lf.
Daewoo electronics corp. 686, ahyeon-dong, mapo-gu, seoul, korea. C.P.O. Box 8003 seoul korea printed date : dec. 2006.
