Daewoo DTQ-14U1FSN Service Manual - Alignment Instructions

Other manuals for DTQ-14U1FSN: Service Manual

Summary of DTQ-14U1FSN

  • Page 1

    Service manual color television chassis : cn-001n model : dtq-14v1fcn/20v1fcn dtq-14v5fcn/20v4fcn dtq-14v1fsn/20v1fsn dtq-14v5fsn/20v4fsn dtq-14v3fsn/20v3fsn dtq-14u1fsn/20u1fsn dtq-14v1fspn/20v1fspn dtq-14v5fspn/20v4fspn dtq-14u1fspn/20u1fspn s/m no.:cn001n-010r1 jun. 2002 u.S.A canada middle ameri...

  • Page 2: Table of Contents

    1 table of contents appendix (appendix is provide only by internet [http://svc.Dwe.Co.Kr]) safety precautions.................................................................................................................... 2 product safty servicing guidelines for audio - video producs...............

  • Page 3

    2 product safety servicing guidelines for audio - video products caution : do not attempt to modify this product in any way. Never perform customized installations without manufac- turer's approval. Unauthorized modifications will not only void the warranty, but may lead to your being liable for ant...

  • Page 4

    3 product safety servicing guidelines for color television receivers caution : do not attempt to modify this product in any way. Unau- thorized modifications will not only void the warranty, but may lead to your being liable for any resulting property damage or user injury. Service work should be pe...

  • Page 5

    4 subject : implosion 1. All direct viewed picture tubes are equipped with an integral implo- sion protection system, but care should be taken to avoid damage during installation. Avoid scratching the tube. If scratched, replace it. 2. Use only recommended factory replacement tubes. Subject : tips o...

  • Page 6: Specifications

    5 specifications model items dtq-14/20v1fcn dtq-14v5/20v4fcn dtq-14/20v1fsn dtq-14v5/20v4fsn dtq-14/20v3fsn dtq-14/20u1fsn dtq-14/20u1fspn dtq-14/20v1fspn dtq-14v5/20v4fspn remarks tv standard ntsc-m power input ac 120v 60 hz ac 220v 50/60 hz power consumption 14 = 55w 20 = 68w tuning system frequen...

  • Page 7: Block Diagram

    6 block diagram a .M u t e (h ) 5.

  • Page 8: Alignment Instructions

    7 alignment instructions 1. Service mode adjustments follow the steps below whenever service adjustment is required. See table- a and table- b to determine if service adjustments are required. 1) how to enter the service mode using the user remote control. • turn the set on. • direct the remote cont...

  • Page 9

    8 alignment instructions table-b * indicates the items with different settings each of sets 2. Assembly adjustments 1) screen adjustment (s2) • enter the service mode and select service adjustment s2. • you cna see the one horizontal line on the screen. • adjust the screen control volume (located on...

  • Page 10

    9 2) focus adjustment • turn in a local station and adjust the focus control knob (located on fbt) for best picture details at high light condition. 3) rf agc delay adjustment (s5) • receive a good local channel. • enter the service mode and select service adjustment s5. • you can see the osd as sho...

  • Page 11

    10 alignment instructions 4-3. Vertical size adjustment • select “v.Size” item, adjust “v.Size” data value to proper vertical size as follows. 5) white balance adjustment(s8) • receive a good local channel. • enter the service mode and select service adjustment s8. • you can see the osd as shown in ...

  • Page 12

    11 alignment instructions • select subbrightness item, adjust subbrightness data value to obtain normal brightness level. • press the display button to memorize the data. Contrast • fixed value = 27 tint • fixed value = 32 color • fixed value = 20 7) factory outgoing mode (s12 : fact) • if you selec...

  • Page 13

    12 3. Parental control password settings if user forget parental control password as follows. 1) change the password. • turn the set on. • direct the remote control to the reception window of your tv/vcr • using the menu buttons, select the special menu. • using the the channel up ( ¡ ã ) or down ( ...

  • Page 14: Voltage Chart

    13 voltage chart mode loc pin on off i101 1 2.37 0 2 2.3 0 3 2.63 0 4 2.22 0.49 5 2.88 0 6 2.88 0 70 0 8 4.92 0.57 9 2.25 0 10 2.29 0.28 11 4.9 4.89 12 4.85 4.84 13 3.94 0 14 1.5 0 15 1.53 0 16 1.53 0 17 0 0 18 8.04 0 19 2.52 0 20 2.63 0 21 2.59 0 22 0.2 0 23 0.22 0 24 2.56 0 25 5.14 4.23 26 2.65 2....

  • Page 15

    14 voltage chart mode loc pin on off i701 1 4.9 4.89 2 4.81 4.8 3 5.04 4.99 4 5.04 4.99 50 0 6 1.9 1.9 7 2.68 2.66 8 4.97 4.92 9 5.04 4.99 10 0 0 11 2.22 0.49 12 0 4.89 13 4.95 4.89 14 3.4 3.37 15 2.69 2.47 16 0 3.52 17 4.65 4.99 18 4.14 4.99 19 0 0 20 0 0 21 0 0 22 0 0 23 nc nc 24 nc nc 25 0 0 mode...

  • Page 16

    15 voltage chart mode loc pin on off c 5.02 0 q201 e 3.32 3.28 b 2.49 2.48 c 38.6 42.28 q401 e 0 0 b0 0 c 132 0 q402 e 0 0 b0 0 c 0.59 0 q403 e 0 0 b 0 0.66 c 10.1 0 q404 e 0 0 b0 0 c 9.71 0 q602 e 1.69 0 b 2.31 0 c 5.02 4.99 q701 e 0 0 b0 0 c 5.02 5 q702 e 0 0 b0 0 mode loc pin on off c 5.02 5 q703...

  • Page 17: Waveforms

    16 waveforms (1) i101 pin 19 (2) i101 pin 20 (3) i101 pin 21 (4) i101 pin 23 (5) i101 pin 40 (5) i101 pin 44 (7) i101 pin 46 (8) i301 pin7.

  • Page 18

    17 waveforms (9) i701 pin 7 (10) i701 pin 17 1) i701 pin 18 (12) i801 pin 2 (13) t402 pin 25.5v (14) t402 pin 10.5v (15) t402 pin heater (16) t402 pin 200v.

  • Page 19

    18 waveforms (17) t401 pin h.V . (18) t801 pin 133v (19) q403 collect or (20) crt socket pin b (21) crt socket pin r (22) crt socket pin g.

  • Page 20

    Loc pos loc pos loc pos loc pos loc pos loc pos loc pos loc pos c101 1 c c552 1 b c818 2 c i401 2 c r301 2 c r567 1 b r787 2 a sf101 1 c c102 1 c c554 1 c c819 2 c i601 1 b r302 2 c r568 1 b r788 2 a sf102 1 c c103 1 c c555 2 c c820 2 c i602 1 b r303 2 c r569 1 b r789 1 c sw701 3 a c104 1 c c556 1 c...

  • Page 21

    20 schematic diagram.

  • Page 22: Exploded View

    21 exploded view 1. Dtq-14v1fsn.

  • Page 23

    22 exploded view 2. Dtq-14v3fsn.

  • Page 24

    23 exploded view 3. Dtq-14v5fcn / fsn.

  • Page 25

    24 exploded view 4. Dtq-14u1fsn.

  • Page 26

    25 exploded view 5. Dtq-20v1fsn.

  • Page 27

    26 exploded view 6. Dtq-20v3fsn.

  • Page 28

    27 exploded view 7. Dtq-20v4fsn.

  • Page 29

    28 exploded view 8. Dtq-20u1fsn.

  • Page 30

    29 loc part code part name description re- mark zz100 48b4343a01 transmitter remocon r-43a01 (aa) zz110 ptacpwh394 accessory as dtq-14p2fc 00010 4850a02510 ant rod s3bw216b (l=600 mm) 00030 4850q00810 battery r6p/ln 00040 4850a00250 trans ant matching imt-06 10000 48586001e2 manual instruction dtq-2...

  • Page 31

    30 rs801 dsvc471d14 varistor svc471d14a sct1 4859303930 socket crt ismg03s inchang sf101 5ptsf5241p filter saw tsf5241p t401 50d10a3--- trans drive td-10a3 t402 50h0000198 fbt fsa37012m t801 50m3541t2- trans smps tsm-3541t2 u102 4859721730 tuner varactor dt5-nf20f n x701 5xyr03276c crystal quartz c-...

  • Page 32

    31 c308 cmxm2a104j c mylar 100v 0.1mf j (tp) c311 cexd1h229q c electro 50v rt 2.2mf (6.3x11) tp c401 ccxb2h102k c cera 500v b 1000pf k (tapping) c405 cexf2c109v c electro 160v rss 1mf (6.3x11) tp c408 cexf1h220v c electro 50v rss 22mf (5x11) tp c411 cexf1h100v c electro 50v rss 10mf (5x11) tp c413 c...

  • Page 33

    32 c555 cbzr1c392m c cera 16v y5r 3900pf m (axial) c560 cczf1h103z c cera 50v f 0.01mf z c562 czch1h180j c cera 50v ch 18pf j (axial) c567 cczb1h181k c cera 50v b 180pf k (axial) c568 cczf1h103z c cera 50v f 0.01mf z c569 cczf1h103z c cera 50v f 0.01mf z c570 cbzf1h104z c cera semi 50v f 0.1mf z c57...

  • Page 34

    33 j711 85801065gy wire copper awg22 1/0.65 tin coating j738 85801065gy wire copper awg22 1/0.65 tin coating j739 85801065gy wire copper awg22 1/0.65 tin coating j753 85801065gy wire copper awg22 1/0.65 tin coating j777 85801065gy wire copper awg22 1/0.65 tin coating j778 85801065gy wire copper awg2...

  • Page 35

    34 r735 rd-az102j- r carbon film 1/6 1k ohm j r736 rd-az103j- r carbon film 1/6 10k ohm j r737 rd-az103j- r carbon film 1/6 10k ohm j r738 rd-az471j- r carbon film 1/6 470 ohm j r743 rd-az472j- r carbon film 1/6 4.7k ohm j r744 rd-az242j- r carbon film 1/6 2.4k ohm j r746 rd-az752j- r carbon film 1/...

  • Page 36

    35 the different parts list loc part code part name description remark c404 cmyh3c722h c mylar 1.6kv bup 7200pf h "14""" c404 cmyh3c602h c mylar 1.6kv bup 6000pf h "15""" c404 cmyh3c752h c mylar 1.6kv bup 7500pf h "20""" c406 cmye2d434j c mylar 200v pu 0.43mf j "14""" c406 cmye2d334j c mylar 200v pu...

  • Page 37

    Daewoo electronics co., ltd 686, ahyeon-dong mapo-gu seoul, korea c.P.O. Box 8003 seoul, korea telex : dwelec k28177-8 cable : “daewooelec”.

  • Page 38: Ic Description

    1 ic description u-com(i701) x’tal:32.768 khz appendix.

  • Page 39

    2 ic description 1. Abstract. This specification is 1-tuner mono model for north/south america, ccd 1-chip micom lc863228a. It is developing software specification for tuning only ntsc 2. H/w outline. 1) rom : 28,672 x 8bits.Tsc : 15,872 x 8 bits for cgrom. 2) ram : 512 x 8bits. : 352 x 9bits.(for c...

  • Page 40

    3 ic description 3) on screen displays function is interior designed. 4) package. : 36 pin sdip. 5) tuner (pre-scaler.) : i 2 c bus. /pll ic : tau 6014-s(siemens). 6) remocon. : the ic of transmission (mitsubishi m50560) 7) e 2 prom. : 24c04(i 2 c bus) ◊ apply one byte read/write mode. 8) 6-local ke...

  • Page 41

    4 ic description - auto power on function.(power restore function in the special menu) - heat run function. --- osd white back-ground - sleep timer. - wake up time function. - off time function. - remote reception & control. - auto tint.----------------------- (option) - power restore. - input(tv/li...

  • Page 42

    5 ic description 6. Pin description pin terminal name explanation remarks 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 rom data main ic data rom clk main ic clk tuner data tuner clk gnd xt1 xt2 vdd key-in aft-in agc-in st-by(h) /res filter cvsb in tv/vid /vs /hs r g 6 bit input/output port inp...

  • Page 43

    6 ic description 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 b bl audio mute power on bus stop relay on/off a/v detection remocon in rf(h)/av(l) auto tint pwm volume blue back prison mono/stereo caption tv only(h) blue output terminal of rgb image fast blanking control signal switch tv image sig...

  • Page 44

    7 ic description i101 dct814(la76814) : ic video processor 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 abl in osd red input osd green input osd blue input 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 ext. Audio input sif output sif apc filter sif input 22 23 24 25 26 27 3...

  • Page 45: Troubleshooting Guide

    8 troubleshooting guide 1. No power appendix.

  • Page 46

    9 troubleshooting guide 2. No picture check the waveform of i101 #46 ng : go to the figure c ok : go the figure d 1701 micom appendix.

  • Page 47

    10 troubleshooting guide 3. No sound check audio output signal of i101 #1 ng : go to the figure e ok : go to the figure f g 1701 micom appendix.

  • Page 48

    11 troubleshooting guide 4. Ch don’t stop check the input signal conditions ng : loss of signal or weak signal ok : go to the figure h appendix.

  • Page 49

    12 troubleshooting guide 5. No color 6. No vertical deflection appendix.

  • Page 50

    13 troubleshooting guide 7. No on-screen display 8. Remote control does not operate appendix.