S/M No. : DSC120BEF0Service ManualModel : DSC-34W70NRelease 1HDTV MonitorChassis : SC-120SpecificationPower Requirement AC 120V, 60HzPower Consumption
Service Modes- 9 -10) S10 : Option Adjustment mode11) S12 : Factory Setting3. Selecting the adjusting itemsPressing of Channel button changes the adj
6. General Adjustment- 10 -In the majority of cases, a high definition digital television will need basic adjustments such as high voltage, screenvolt
General Adjustment- 11 -Sub Brightness Adjustment1. Tune on RETMA Pattern.2. Press S9 button.3. The following OSD menu will appear on the screen, and
General Adjustment- 12 -Geometry1. To adjust V-Position, H-Size, H-Position and so forth, tune on RETMA Pattern.2. To adjust Pincushion, Trapezoid and
Item Screen Image Adjustmant Procedure1) Receive NTSC RETMA signal.2) The Screen mode should be selected on 16:9 V S Linearity mode.3) When the center
General Adjustment- 14 -Item Screen Image Adjustmant Procedure1) Receive NTSC Cross Hatch signal.2) The Screen mode should be selected on 16:9 mode.Tr
7. Special Adjustment (When replacing new circuit boards)- 15 -1. Power assembly1) After replacing a new assembly, X Radiation Protection Circuit Test
8. Troubleshooting charts- 16 -No Picture(NTSC Signal)OSD is on the screen. NOCheck OSD signal of I701.R/G/B OSD : #64, 63, and 62BL OSD : #61Check OS
Troubleshooting charts- 17 -No Sound(NTSC Signal)Check audio signal of IA1.Video1 : L to #44, R to #46Video2 : L to #2, R to #4Video3 : L to #8, R to
Troubleshooting charts- 18 -No RasterNOI701 communicates with I402 on the IIC bus. Check the #3 (SDA) and #4 (SCL) of I402. 5Vp-pCheck I701and I402.Ve
- 1 -1. Product Safety 22. Specifications 43. Remote Control Overview 54. Limited Warranty 65. Service Mode 76. General Adjustment 107. Special Adjust
Troubleshooting charts- 19 -H/D160Hz5Vp-p 90VHorizontal Drive B+ to R481 is 90V 5Vp-pIf the impedance value of Q425's collectoris near zero Ω, t
Troubleshooting charts- 20 -HVD1High Voltage Drive signal is outputto pin 3 of I401.31.5 / 33.75KHz12Vp-pCheck 200VB toPA14M.To No PowerNOHigh Voltage
Troubleshooting charts- 21 -Vertical DeflectionCheck I412.NOVertical SAW waveform is to pin 8 of I412.2.2Vp-p60HzThe following waveform is to pin 1 of
Troubleshooting charts- 22 -No Power(Standby Power : I801)The Standby LED doesn't light up red.Approximately 150VDC is to C806.NOCheck if F801 is
Troubleshooting charts- 23 -No Power Switch relay (Y802) doesn't operate.NOF801 short-circuits.Replace F801.Bridge rectifier (D805) short-circuit
Troubleshooting charts- 24 -NO PowerSwitch relay operation (Y802) is OK.Check the parts caused a short-circuit to secondary circuits.Replace defective
9. Part List (DSC-34W70N)ZZ100 49B00R37E- TRANSMITTER REMOCON R-37D08ZZ120 PEBCSHD013 COVER BACK AS DSC-3670WM211 4952100800 COVER BACK FR HIPS PAINTM
FT802 7128301212 SCREW TAPPING T2S WAS 3X12 MFZN BKF801 5F1CD6321M FUSE UL/CSANM 6.3A 125V®I801 1T0P224Y-- IC AUDIO POWER TOP224Y®I801A 4957000701 HEA
E805 4856310600 EYE LET BSR T0.2 (R2.3)E806 4856310600 EYE LET BSR T0.2 (R2.3)E807 4856310600 EYE LET BSR T0.2 (R2.3)E808 4856310600 EYE LET BSR T0.2
C807 CMXB1H104J C MYLAR 50V EU 0.1MF J (TP)C808 CEXF1E470V C ELECTRO 25V RSS 47MF (5X11) TPC813 CEXF2A100V C ELECTRO 100V RSS 10MF (6.3X11) TPC817 CEX
1.PRODUCT SAFETY SERVICING GUIDELINES FOR COLOR TELEVISION RECEIVERS- 2 -CAUTION : Do not attempt to modify this product in any way.Unau-thorized modi
J812 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATINGJ813 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATINGJ814 85801065GY WIRE COPPER AWG22 1/0.65 TIN C
R883 RD-4Z102J- R CARBON FILM 1/4 1K OHM JR884 RD-4Z229J- R CARBON FILM 1/4 2.2 OHM JR885 RD-4Z229J- R CARBON FILM 1/4 2.2 OHM JR886 RD-4Z479J- R CARB
CC210 HCBD684KBA C CHIP CERA 10V X7R 0.68MF K 1608CC211 HCBK683KBA C CHIP CERA X7R 50V 0.068MF K 1608CC212 HCFF224ZBA C CHIP CERA 16V Y5V 0.22MF Z 160
QC108 T2SA1037KB TR CHIP 2SA1037K-T146-RQC109 T2SC2412KB TR CHIP 2SC2412K-T146-BRQC110 T2SC2412KB TR CHIP 2SC2412K-T146-BRQC111 T2SC2412KB TR CHIP 2SC
CC117 HCBD105KBA C CHIP CERA 10V X7R 1MF K 1608CC119 HCEJF100MC C ELECTRO CHIP 16V 10MF MV 4052CC120 HCEJF100MC C ELECTRO CHIP 16V 10MF MV 4052CC125 H
LC106 HFFH1H500B F CHIP FERRITE BEAD HB-1H3216-500JTLC107 HFLK5225-C F CHIP LPF H354LAI-K5225=P3LC112 HLC339K02B L CHIP COIL 3.3UH MLF 1608LC114 HLC33
DCA03 DBAV99L—B DIODE CHIP BAV99LDCA04 DBAV99L—B DIODE CHIP BAV99LDCA05 DBAV99L—B DIODE CHIP BAV99LDCA06 DBAV99L—B DIODE CHIP BAV99LDCA07 DBAV99L—B DI
RCA80 HRFT473JBA R CHIP 1/10 47K OHM J 1608RCA81 HRFT473JBA R CHIP 1/10 47K OHM J 1608RCA82 HRFT223JBA R CHIP 1/10 22K OHM J 1608RCA83 HRFT472JBA R CH
Q506 T2SC4793— TR 2SC4793®Q506A 4857027802 HEAT SINK AL EXQ506B 7174300811 SCREW TAPPTITE TT2 RND 3X8 MFZNR507 RS01Z104J- R M-OXIDE FILM 1W 100K OHM J
JU02 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATINGJU03 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATINGJU04 85801065GY WIRE COPPER AWG22 1/0.65 TIN C
- 3 -SUBJECT : IMPLOSION1. All direct viewed picture tubes are equipped with anintegral Implosion protection system, but care should betaken to avoid
R609 RD-AZ103J- R CARBON FILM 1/6 10K OHM JR610 RD-AZ152J- R CARBON FILM 1/6 1.5K OHM JR611 RD-AZ103J- R CARBON FILM 1/6 10K OHM JR612 RD-4Z229J- R CA
CC408 HCBK682KBA C CHIP CERA 50V X7R 6800PF K 1608CC409 HCQK391JBA C CHIP CERA 50V CH 390PF J 1608CC410 HCQK390JBA C CHIP CERA 50V CH 39PF J 1608CC411
RC708 HRFT203JBA R CHIP 1/10 20K OHM J 1608RC709 HRFT472JBA R CHIP 1/10 4.7K OHM J 1608RC710 HRFT103JBA R CHIP 1/10 10K OHM J 1608RC711 HRFT103JBA R C
R437 RS02Z129J- R M-OXIDE FILM 2W 1.2 OHM J (TAPPING)R442 RS02Z301J- R M-OXIDE FILM 2W 300 OHM J (TAPPING)R455 RS02Z121J- R M-OXIDE FILM 2W 120 OHM J
Q422 TKTA1270Y- TR KTA1270Y (TP)Q424 TKTC3198Y- TR KTC3198YQ426 TKTC3198Y- TR KTC3198YQ429 TKTC3198Y- TR KTC3198YQ701 TKTC3198Y- TR KTC3198YQ702 TKTC3
J034 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATINGJ035 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATINGJ036 85801065GY WIRE COPPER AWG22 1/0.65 TIN C
J140 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATINGJ141 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATINGJ142 85801065GY WIRE COPPER AWG22 1/0.65 TIN C
R441 RD-AZ102J- R CARBON FILM 1/6 1K OHM JR443 RD-AZ153J- R CARBON FILM 1/6 15K OHM JR445 RD-AZ473J- R CARBON FILM 1/6 47K OHM JR446 RD-AZ272J- R CARB
10. Circuit Diagram- 47 -10-1. Power Circuit
- 48 -Circuit Diagram10-2. Main Circuit
2. Specification- 4 -Power Requirement AC 120V, 60HzPower Consumption 210wattsGeneral Dimensions(W/H/D) 41”W x 26.2”H x 24.6”DWeight 81Kg (178.61bs)An
Circuit Diagram- 49 -10-3. Audio Circuit
Circuit Diagram- 50 -10-4. 3D Comb Filter Circuit
Circuit Diagram- 51 -10-5. Main Video Circuit
Circuit Diagram- 52 -10-6. Sub Video Circuit
Circuit Diagram- 53 -10-7. Scan Rate Converter
Circuit Diagram- 54 -10-8. RGB Processor
Circuit Diagram- 55 -10-9. AV Circuit
Circuit Diagram- 56 -10-10. Union Circuit
Circuit Diagram- 57 -10-11. Signal Flow DiagramIA 01CXA1855VIDEOSWITCHR3Y3V1IA02MM1232VIDEOSWITCHUC100UPD640823D COMB-FILTERY/C SEP.UC1014M bitDRAMY m
11. Exploded View- 58 -
3. Remote control overview- 5 -The remote control has the following functions:Power buttonPress to turn the HDTV Monitor (and other equipment) on and
4. Limited Warranty- 6 -Daewoo Electronics Corporation of America Inc. (also known as DECA) warrants this product to be free from defects inmaterial a
5. Service Modes- 7 -1.Entering to Service ModeWith the service remote control2. Function of each service mode1) S1 : Heat Run mode.2) S2 : Screen Vol
Service Modes- 8 -6) S6 : Geometry Adjustment modeNTSC/DVD After receiving Air or external video, adjust geometry.DTVAfter connecting HD component at
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