Daewoo DSC-34W70N Service Manual Download Page 44

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Q422

TKTA1270Y-

KTA1270Y (TP)

Q424

TKTC3198Y-

KTC3198Y

Q426

TKTC3198Y-

KTC3198Y

Q429

TKTC3198Y-

KTC3198Y

Q701

TKTC3198Y-

KTC3198Y

Q702

TKTC3198Y-

KTC3198Y

Q703

TKTC3198Y-

KTC3198Y

Q704

TKTC3198Y-

KTC3198Y

Q705

TKTC3198Y-

KTC3198Y

Q706

TKTA1266Y-

KTA1266Y (TP)

Q707

TKTC3198Y-

KTC3198Y

Q710

TKTC3198Y-

KTC3198Y

Q711

TKTC3198Y-

KTC3198Y

Q712

TKTC3198Y-

KTC3198Y

Q713

TKTA1266Y-

KTA1266Y (TP)

Q714

TKTA1266Y-

KTA1266Y (TP)

Q715

TKTC3198Y-

KTC3198Y

ZZ200

PEMPJAD017

PCB MAIN AXIAL AS

DSC-3670N

A001

4959803324

PCB MAIN AS

330 X 246

C729

CCZB1H102K

C CERA

50V B 1000PF K AXIAL

D401

D1N4148—-

DIODE

1N4148 (TAPPING)

D402

D1N4148—-

DIODE

1N4148 (TAPPING)

D403

D1N4148—-

DIODE

1N4148 (TAPPING)

D404

D1N4004—-

DIODE

1N4004

D405

D1N4148—-

DIODE

1N4148 (TAPPING)

D406

D1N4148—-

DIODE

1N4148 (TAPPING)

D407

DUZ8R2BM—

DIODE ZENER

UZ-8.2B (8.2V)

D409

D1N4148—-

DIODE

1N4148 (TAPPING)

D410

DUZ5R1BM—

DIODE ZENER

UZ-5.1BM

D411

DUZ5R1BM—

DIODE ZENER

UZ-5.1BM

D412

D1N4004—-

DIODE

1N4004

D413

D1N4148—-

DIODE

1N4148 (TAPPING)

D414

D1N4148—-

DIODE

1N4148 (TAPPING)

D415

D1N4148—-

DIODE

1N4148 (TAPPING)

D416

D1N4148—-

DIODE

1N4148 (TAPPING)

D418

D1N4004—-

DIODE

1N4004

D419

D1N4148—-

DIODE

1N4148 (TAPPING)

D422

D1N4148—-

DIODE

1N4148 (TAPPING)

D424

DRF1———

DIODE

RF1

D425

DRF1———

DIODE

RF1

D426

DUZ9R1BM—

DIODE ZENER

UZ-9.1BM 9.1V

D427

DUZ8R2BM—

DIODE ZENER

UZ-8.2B (8.2V)

D433

D1N4148—-

DIODE

1N4148 (TAPPING)

D434

DUZ12BM—-

DIODE ZENER

UZ-12BM (UNIZON)

D435

DUZ12BM—-

DIODE ZENER

UZ-12BM (UNIZON)

D437

DUZ12BM—-

DIODE ZENER

UZ-12BM (UNIZON)

D439

DUZ33B——

DIODE ZENER

UZ-33B

D440

DUZ22BM—-

DIODE ZENER

UZ-22BM

D441

DUZ10BM—-

DIODE ZENER

UZ-10BM

D442

D1N4148—-

DIODE

1N4148 (TAPPING)

D443

D1N4148—-

DIODE

1N4148 (TAPPING)

D701

D1N4148—-

DIODE

1N4148 (TAPPING)

D702

D1N4148—-

DIODE

1N4148 (TAPPING)

D703

DUZ5R1BM—

DIODE ZENER

UZ-5.1BM

D704

DUZ5R1BM—

DIODE ZENER

UZ-5.1BM

D705

D1N4148—-

DIODE

1N4148 (TAPPING)

D706

DUZ5R1BM—

DIODE ZENER

UZ-5.1BM

D707

D1N4148—-

DIODE

1N4148 (TAPPING)

D708

DUZ5R1BM—

DIODE ZENER

UZ-5.1BM

D709

D1N4148—-

DIODE

1N4148 (TAPPING)

D710

D1N4148—-

DIODE

1N4148 (TAPPING)

D711

DUZ5R1BM—

DIODE ZENER

UZ-5.1BM

D712

DUZ5R1BM—

DIODE ZENER

UZ-5.1BM

D713

D1N4148—-

DIODE

1N4148 (TAPPING)

D714

DUZ5R6BM—

DIODE ZENER

UZ-5.6BM(TAPPING)

D715

D1N4148—-

DIODE

1N4148 (TAPPING)

D716

DUZ5R6BM—

DIODE ZENER

UZ-5.6BM(TAPPING)

D717

DUZ5R6BM—

DIODE ZENER

UZ-5.6BM(TAPPING)

D718

DUZ5R6BM—

DIODE ZENER

UZ-5.6BM(TAPPING)

D719

DUZ5R6BM—

DIODE ZENER

UZ-5.6BM(TAPPING)

D720

DUZ5R6BM—

DIODE ZENER

UZ-5.6BM(TAPPING)

D721

DUZ5R6BM—

DIODE ZENER

UZ-5.6BM(TAPPING)

D722

DUZ5R6BM—

DIODE ZENER

UZ-5.6BM(TAPPING)

D723

DUZ5R6BM—

DIODE ZENER

UZ-5.6BM(TAPPING)

J001

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J003

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J004

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J005

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J006

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J007

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J008

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J009

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J010

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J011

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J012

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J013

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J014

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J015

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J016

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J017

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J018

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J019

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J020

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J021

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J022

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J023

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J024

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J025

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J026

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J027

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J028

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J029

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J030

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J031

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J032

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

J033

85801065GY

WIRE COPPER

AWG22 1/0.65 TIN COATING

Part List (DSC-34W70N)

- 43 -

Summary of Contents for DSC-34W70N

Page 1: ...1080I 33 75KHz NTSC DVD 480p 31 5KHz Horizontal Resolution 800 Lines Sound System Dolby Pro Logic Sound NTSC Audio Multi CH TV Stereo MTS Second Audio Program SAP Audio Power 8W ch Main L R 5W ch Cent...

Page 2: ...Audio Circuit 49 10 4 3D Comb Filter Circuit 50 10 5 Main Video Circuit 51 10 6 Sub Video Circuit 52 10 7 Scan Rate Converter Circuit 53 10 8 RGB Processor Circuit 54 10 9 AV Circuit 55 10 10 Union Ci...

Page 3: ...zard and must be corrected immediately GRAPHIC SYMBOLS The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the service personnel to the presence of uninsulate...

Page 4: ...4 Wall and shelf mounted installations using a commercial mounting kit must follow the factory approved mounting instructions A receiver mounted to a shelf or platform must retain its original feet o...

Page 5: ...NTSC DVD 480p 31 5KHz Horizontal Resolution 800 Lines Sound System Dolby Pro Logic Sound NTSC Audio Multi CH TV Stereo MTS Second Audio Program SAP Audio Power 8W ch Main L R 5W ch Center Rear RF Ante...

Page 6: ...able box VCR Menu button You can adjust the picture sound and many other functions Volume buttons Press to raise and lower the volume on your HDTV Monitor Channel buttons Press to select channels Mute...

Page 7: ...h has been altered in any way that affects the reliability or detracts from its performance How you get warranty service Warranty service can only be provided by an authorized DECA service center For...

Page 8: ...ntrols S5 Picture Quality S6 Geometry S7 PIP S8 White Balance Auto power on mode Exit S9 Sub Picture Sub Audio S10 Option S12 Factory Setting Full white mode Equalizer 60Hz 250Hz 1KHz 3 5KHz 10KHz Mai...

Page 9: ...TRAPE Trapezoid 29 SPINS Side Pin S 33 FOCUSPH H Focus Phase 32 FOCUSPA H Focus Amplitude 32 MOIRE 16 VSMAX V Size Max 31 HPOSI H Position 67 HSIZE H Size 40 VSIZE V Size 63 VPOSI V Position 97 Bright...

Page 10: ...Fixed CALMP 10 Don t adjust OSD POS 15 The horizontal position of Caption OSD available EPOS 15 V POS 144 The Vertical position of Caption OSD available POTION America Korea Fixed PC INPUT off Fixed C...

Page 11: ...rn 2 Turn the variable focus volume of FBT so that the center area of screen is sharp scanning line 3 Turn the variable volume R522 on the CRT assembly so that the edge of screen may be sharp scanning...

Page 12: ...n the screen and the data are initial values before adjusting 4 To be between Step 10 and 20 on the Contrast Chart perform fine adjustment of sub brightness SUB CONT 15 SUB BRIG 1 SUB SHP 3 SUB COR 15...

Page 13: ...hat over scanning rate may be 105 4 Check if the center circle is not only circular on 16 9 mode but also on 4 3 mode Over Scanning Rate 105 1 There is no need to adjust 2 Check if the value of data i...

Page 14: ...sition RETMA signal may be centered in the horizontal direction 1 Receive NTSC Cross Hatch signal 2 The Screen mode should be selected on 16 9 mode Pincushion 3 When the vertical lines of the left and...

Page 15: ...d to correct the unbalanced shape 1 There is no need to adjust H Duty 2 Check if the value of data is 16 1 There is no need to adjust and check if the value of data is 32 H Focus Phase 2 Check that th...

Page 16: ...for at least 20 minutes 1 2 Perform this test at the normal video and sound 1 3 Check the cathode voltage of D837 Its voltage should be about 25VDC 1 4 Connect a resister 24K 1 4W with parallel to R8...

Page 17: ...al is to 73 and 71 of IC UC104 Check below signal of UC104 Y and C signal 73 71 Picture Bus Y MY0 MY7 Picture Bus C MC0 MC7 V sync pulse VSM 57 Active video output AVO 54 Clock out LLC2 27 Check below...

Page 18: ...or the sub picture of PIP Check audio signal of UC102 Main L R to 47 48 for RF and external audio 1 2 3 Sub L R to 56 57 for Headphone L R out Check DTV L R of UC102 L R to 53 54 No Sound DTV Signal C...

Page 19: ...5KHz NTSC DVD 33 75KHz DTV Horizontal Deflection High Voltage Drive Check H Drive signal to emitter of Q411 12Vp p 31 5KHz NTSC DVD 33 75KHz DTV Check Q416 Q417 H Drive signal is output to pin 3 of I...

Page 20: ...to Source of Q423 200Vp p 31 5 33 75KHz The voltage waveform of Q425 s Collector is the following 1 300 50Vp p High Voltage Drive Check H Drive signal to emitter of Q402 12Vp p 33 75KHz Check I403 and...

Page 21: ...PA14M To No Power NO High Voltage Drive signal is output to source of Q407 31 5 33 75KHz 200Vp p 60Hz 20Vp p 100V FBT B to 12 of PW16P is about 100V 20Vp p END Check emitter of Q401 NO Check Q810 Che...

Page 22: ...l SAW waveform is to pin 8 of I412 2 2Vp p 60Hz The following waveform is to pin 1 of I412 3 5Vp p 0V NO Check vertical deflection circuits around I412 Check vertical deflection circuits around I412 N...

Page 23: ...fier Check if voltages to PW15 is supplied to TV micro processor I701 Check the parts caused a short circuit to secondary circuits NO Check the impedance value of between Source and Drain to I801 If t...

Page 24: ...t short circuit Replace the parts caused a short circuit PWR SW of PW15 is High Check 14 of I701 Q804 doesn t defective Replace Q804 Check Y802 switch relay Check the parts caused a short circuit to s...

Page 25: ...y circuits Replace defective parts with a new one NO Supply 200VA to PW14 R802 is OK ReplaceR802 NO NO R807 and R852 are OK Replace R807 or R852 NO Q801 D810 are OK Replace Q801 D810 NO Check I803 Sup...

Page 26: ...10 SPEAKER UNIT 5W 8OHM H114 100400A S602A 7178301212 SCREW TAPPTITE TT2 WAS 3X12 MFZN BLACK S603 4958300210 SPEAKER AS R 10W 8 OHM K128 101999B S603A 7172401612 SCREW TAPPTITE TT2 TRS 4X16 MFZN BK ZZ...

Page 27: ...120K OHM J R898 RS02Z124J R M OXIDE FILM 2W 120K OHM J R920 RW02Z189J R WIRE WOUND 2W 1 8 OHM J R924 RW02Z828J R WIRE WOUND 2W 0 82 OHM R928 RS02Z124J R M OXIDE FILM 2W 120K OHM J R929 RS02Z124J R M O...

Page 28: ...3 E859 4856310600 EYE LET BSR T0 2 R2 3 E860 4856310600 EYE LET BSR T0 2 R2 3 E861 4856310600 EYE LET BSR T0 2 R2 3 E862 4856310600 EYE LET BSR T0 2 R2 3 E863 4856310600 EYE LET BSR T0 2 R2 3 E864 485...

Page 29: ...23J C MYLAR 100V 0 022MF J TP C893 CEXF2C109V C ELECTRO 160V RSS 1MF 6 3X11 TP C895 CEXF1H101C C ELECTRO 50V RUS 100MF 8X11 5 TP C896 CEXF1H100V C ELECTRO 50V RSS 10MF 5X11 TP C898 CCXB1H102K C CERA 5...

Page 30: ...0 COIL BEAD HC 3550 R801 RC 2Z565KP R CARBON COMP 1 2 5 6M OHM K R804 RD 4Z223J R CARBON FILM 1 4 22K OHM J R805 RD 4Z474J R CARBON FILM 1 4 470K OHM J R806 RD 4Z820J R CARBON FILM 1 4 82 OHM J R810 R...

Page 31: ...DSC 3670W CC101 HCBH104KBA C CHIP CERA 25V X7R 0 1MF K 1608 CC103 HCBH104KBA C CHIP CERA 25V X7R 0 1MF K 1608 CC104 HCBH104KBA C CHIP CERA 25V X7R 0 1MF K 1608 CC106 HCBH104KBA C CHIP CERA 25V X7R 0...

Page 32: ...V Y5V 0 47MF Z 1608 CC290 HCBH104KBA C CHIP CERA 25V X7R 0 1MF K 1608 CC294 HCBH104KBA C CHIP CERA 25V X7R 0 1MF K 1608 CC297 HCBH104KBA C CHIP CERA 25V X7R 0 1MF K 1608 CC299 HCFD474ZBA C CHIP CERA 1...

Page 33: ...1608 RC157 HRFT470JBA R CHIP 1 10 47 OHM J 1608 RC159 HRFT331JBA R CHIP 1 10 330 OHM J 1608 RC160 HRFT223JBA R CHIP 1 10 22K OHM J 1608 RC167 HRFT221JBA R CHIP 1 10 220 OHM J 1608 RC168 HRFT221JBA R...

Page 34: ...CC216 HCBK473KBA C CHIP CERA 50V X7R 0 047MF K 1608 CC217 HCBK473KBA C CHIP CERA 50V X7R 0 047MF K 1608 CC218 HCBK152KBA C CHIP CERA 50V X7R 1500PF K 1608 CC220 HCFF224ZBA C CHIP CERA 16V Y5V 0 22MF...

Page 35: ...AEDALUS SDA9410 B3 UC107 1CXA2101AQ IC CHIP VIDEO CXA2101AQ UC108 1HC4538SJD IC CHIP HC4538SJ UC109 1CXA1315MD IC CHIP D A CXA1315M ZZ250 PEASSWD017 A V SW AS DSC 3670N IA04 1UPC1406HA IC UPC 1406HA J...

Page 36: ...10 1K OHM J 1608 RCA27 HRFT102JBA R CHIP 1 10 1K OHM J 1608 RCA28 HRFT332JBA R CHIP 1 10 3 3K OHM J 1608 RCA29 HRFT101JBA R CHIP 1 10 100 OHM J 1608 RCA30 HRFT102JBA R CHIP 1 10 1K OHM J 1608 RCA31 HR...

Page 37: ...MV 4052 CCA70 HCEJF100MC C ELECTRO CHIP 16V 10MF MV 4052 IA01 1CXA1855QQ IC CHIP SWITCH CXA1855Q IA02 11232XFBED IC CHIP SWITCH MM1232XFBE IA03 1KA4558D B IC CHIP OP AMP KA4558DTF ZZ260 PEUNSWD017 PCB...

Page 38: ...C530 CCXF1H103Z C CERA 50V F 0 01MF Z TAPPING C531 CCXF1H103Z C CERA 50V F 0 01MF Z TAPPING C532 CEXF1C101C C ELECTRO 16V RUS 100MF 6 3X11 TP C535 CXSL2H220J C CERA 500V SL 22PF J TAPPING C536 CXCH1H...

Page 39: ...BON FILM 1 6 56K OHM J RU32 RD AZ334J R CARBON FILM 1 6 330K OHM J RU33 RD AZ683J R CARBON FILM 1 6 68K OHM J RU34 RD 2Z100J R CARBON FILM 1 2 10 OHM J RU35 RD 2Z100J R CARBON FILM 1 2 10 OHM J R500 R...

Page 40: ...500100 HOLDER CORD FR HIPS BK M351A 7172401612 SCREW TAPPTITE TT2 TRS 4X16 MFZN BK M352 4853535500 HOLDER CORD NYROLN 66 M361A 7122401612 SCREW TAPPING T2S TRS 4X16 MFZN BK M361B 7171301212 SCREW TAPT...

Page 41: ...A C CHIP CERA 50V CH 100PF J 1608 CC731 HCQK101JBA C CHIP CERA 50V CH 100PF J 1608 CC732 HCQK561JBA C CHIP CERA 50V CH 560PF J 1608 CC733 HCQK102JBA C CHIP CERA 50V CH 1000PF J 1608 CC734 HCBH104KBA C...

Page 42: ...3X25 TP C466 CEXF2E220C C ELECTRO 250V RUS 22MF 13X20 TP C474 CCXB3D151K C CERA 2KV B 150PF K TAPPING C475 CCXB3D272K C CERA 2KV B 2700PF K C480 CEXF1C471C C ELECTRO 16V RUS 470MF 10X12 5 TP C488 CCXB...

Page 43: ...G C460 CEXF1H470C C ELECTRO 50V RUS 47MF 6 3X11 TP C461 CEXF1H479V C ELECTRO 50V RSS 4 7MF 5X11 TP C462 CMXM2A182J C MYLAR 100V 1800PF J TP C464 CMXM2A104J C MYLAR 100V 0 1MF J TP C469 CEXF1H220V C EL...

Page 44: ...D712 DUZ5R1BM DIODE ZENER UZ 5 1BM D713 D1N4148 DIODE 1N4148 TAPPING D714 DUZ5R6BM DIODE ZENER UZ 5 6BM TAPPING D715 D1N4148 DIODE 1N4148 TAPPING D716 DUZ5R6BM DIODE ZENER UZ 5 6BM TAPPING D717 DUZ5R6...

Page 45: ...RE COPPER AWG22 1 0 65 TIN COATING J086 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J087 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J088 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J089 8...

Page 46: ...COATING J188 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J189 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J190 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J191 85801065GY WIRE COPPER AWG22...

Page 47: ...HM J R498 RD AZ100J R CARBON FILM 1 6 10 OHM J R701 RD AZ103J R CARBON FILM 1 6 10K OHM J R702 RD AZ102J R CARBON FILM 1 6 1K OHM J R703 RD AZ471J R CARBON FILM 1 6 470 OHM J R704 RD AZ471J R CARBON F...

Page 48: ...10 Circuit Diagram 47 10 1 Power Circuit...

Page 49: ...48 Circuit Diagram 10 2 Main Circuit...

Page 50: ...Circuit Diagram 49 10 3 Audio Circuit...

Page 51: ...Circuit Diagram 50 10 4 3D Comb Filter Circuit...

Page 52: ...Circuit Diagram 51 10 5 Main Video Circuit...

Page 53: ...Circuit Diagram 52 10 6 Sub Video Circuit...

Page 54: ...Circuit Diagram 53 10 7 Scan Rate Converter...

Page 55: ...Circuit Diagram 54 10 8 RGB Processor...

Page 56: ...Circuit Diagram 55 10 9 AV Circuit...

Page 57: ...Circuit Diagram 56 10 10 Union Circuit...

Page 58: ...A4558 OP AMP L RF main V RF sub V RF sub A UC102 MSP3430 MULTI SOUND PROCESSOR HP VOL ABL DVD L SIF VIDEO AUDIO BLOCK DIAGRAM 43 44 46 45 47 48 1 2 4 7 8 L1 R1 Y1 C1 V2 L2 R2 V3 L3 9 11 23 33 32 C3 41...

Page 59: ...11 Exploded View 58...

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