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Service manual SP-110

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8-2. Digital

Содержание DSP-4210GM

Страница 1: ...Model DSP 4210GM CHASSIS SP 110 S M No TSP110AEF0 Service Manual DAEWOO ELECTRONICS CO LTD...

Страница 2: ...precautions 2 2 Product specification 4 3 Block diagram 6 4 Adjustment How to use service remote controller 7 5 When changing the new board 9 6 Trouble shooting 10 7 Assembly list 30 8 Circuit diagra...

Страница 3: ...then test Confirm specified dielectric strengthen between power cord plug prongs and exposed accessible parts of the set video and audio input terminals speaker out etc is greater than values given ta...

Страница 4: ...er cord plug prongs and exposed accessible parts UseAC voltmeter to measureAC voltage across both terminals of load Z See Fig 2 and following table Leakage current ratings for selected are as NOTE Thi...

Страница 5: ...5 X 730 X 85 3 BOX W X H X D 1190 X 870 X 480 2 2 WEIGHT 1 WITHOUT STAND 33kg 2 WITH STAND 39kg 3 ELECTRICAL OPTICAL 3 1 COMPOSITE VIDEO INPUT SIGNAL NTSC PAL SECAM PAL M N NTSC4 43 1 INPUT 75 1Vp p 3...

Страница 6: ...cture PIP Size Position Changeable 3 10 OSD 8Language KOREAN ENGLISH NETHERLAND FRENCH SPANISH GERMAN PORTUGUESE ITALIAN 3 11 AC Power AC 90V 264V 50 60Hz 3 12 Power Consumption 350 WATTS 3 13 Sound O...

Страница 7: ...3 BLOCK DIAGRAM...

Страница 8: ...s for measurement Digital volt meter Pattern generator 2 Conditions You adjust as follows after assembling set and inputting WHITE PATTERN 1 VSUS Sustain voltage Voltage sustaining electronic discharg...

Страница 9: ...lue pattern after aging Blue pattern 5 minutes If any setVSCAN slowly from 160V to 150V and decrease VSHELF slowly to remove wrong electronic discharge 4 4 White balance adjustment 1 Feed grey scale s...

Страница 10: ...tage is on the label which is attached on the metal part under Y Sustain board 5 3 Y Sustain 1 Set theVvh voltage according to the list of adjustments 2 The data of adjustment voltage is on label whic...

Страница 11: ...Service manual SP 110 10 6 Trouble shooting 6 1 Audio video 6 2 Digital 6 3 X SUSTAIN 6 4 Y SUSTAIN 6 5 SCAN Board 6 6 DATA H L Connection LU CU RU LD CD RD 6 7 Power...

Страница 12: ...6 1 Audio Video...

Страница 13: ...IMAGE PROCESSOR PART BLOCK DIAGRAM...

Страница 14: ...G 2 Change Video PCB Does the Please check input Is there a weak electronic 1 Confirm AC connection signal or press input key discharge on the screen 2 Confirm Power S W on message appear Y 3 Inspect...

Страница 15: ...ck Can you output DTV signal in 1 DTV S W and DTV processor IC505 circuit are N G TP R G B 2 DTV H V Sync processing part is N G 3 Change video PCB Can you output Sync of TP V1 Hz 1 DTV S W and DTV pr...

Страница 16: ...tput Sync of TP V1 Hz 1 PC S W is N G H1 KHz Hz 2 Change video PCB 1 PC signal processing is N G 2 A D Converter is N G 3 Change Video PCB Does the Please check input Is there a weak electronic 1 Conf...

Страница 17: ...3 Inspect video PCB and other blocks Y Connect speaker 1 Jack PCB is N G 2 Video connection to jack PCB is N G See Siganl composition of P502 sound 1 RSPC LSPC PC sound 2 RSD1 LSD1 DTV DVD sound 3 RS...

Страница 18: ...2 Confirm power S W on 3 Inspect video PCB LED PCB and other blocks Y 1 Connection with video PCB is N G or video PCB N G 2 Inspect video PCB and other blocks 1 LED PCB is N G 2 Change LED PCB NO Rem...

Страница 19: ...Inspect video PCB and other blocks N N N Y Is red LED on next to POWER S W on 1 Confirm AC connection 2 Confirm power S W on 3 Inspect video PCB LED PCB and other blocks Y NO Key operation Is connecti...

Страница 20: ...ltage ON OFF Switch of the Power Board and then turn on the set 2 Confirm whether there is an input of 5V 3 3V into Power Connector PA5 5V input pin No 1 2 If 4 5V 5 2V O K 3 3V input pin No 7 8 If 3...

Страница 21: ......

Страница 22: ...of resistance replace open board and confirm each connector the state of insertion installation 4 In case of normal value of resistance measure the value as following table1 1 Use a Diode Tester 2 If...

Страница 23: ...6 E 0 5 F 0 6 F 0 5 G 0 6 G 0 5 H 0 6 H 0 5 NAME DIODE MEASURE DIODE MEASURE TESTER TESTER 1 QU5 QU6 D ABOUT 5 0 48 S SEC LATER OPEN 2 QU7 QU8 D Open 0 48 S 3 QU17 QU18 D Open 0 45 S 4 QU15 QU16 D Op...

Страница 24: ...m 5 Watt 2 Confirm the Voltage of Terminal 155V If maintained beyond 10 volt discharge below 5 volt with resistance of beyond 1K ohm 5Watt 3 Confirm the resistance of RY2 470 ohm 5Watt 1 In case of wr...

Страница 25: ...L 0 5 M 0 6 M 0 5 P 1 2 P 0 5 Table 3 The value of Diode Tester of each Semiconductor red black NAME DIODE MEASURE DIODE MEASURE TEST TEST 1 QY5 QY8 D ABOUT 3 0 4 S SEC LATER OPEN 2 QY9 QY12 D Open 0...

Страница 26: ...e manual SP 110 DIODE TESTER MEASURE DIODE TESTER MEASURE A Beyond 0 6 Open B 6 5 SCAN BOARD 1 Confirm the DIOED TESTER PCB separately 2 The configuration 1 The Voltage Terminal of Scan top view compo...

Страница 27: ...and two DATA H boards 3 Separate PA113 1 Confirm CU and DATA H board 2 Confirm RU and two DATA H boards 4 Separate P115 1 Confirm LD and two DATA L boards 5 Separate P116 1 Confirm CD and DATA L board...

Страница 28: ...W B 30V 12V 5V correct Is each voltage 30V 12V 5V of CONNECTOR P3 correct Check Audio AMP PCB After P5 CONNECTOR is Is each voltage 5V 3 3V of CONNECTOR P5 separated is each voltage correct 5V 3 3V co...

Страница 29: ...ector P7 Can Vsus 170V be producde Check X sus PCB YES Without Connector P9 Can Vsus 170V be produced NO Is the Voltage Of Conncetor P7 5PIN 0V YES Check Y sus PCB YES Turn on the POWER Can Vadd 70V b...

Страница 30: ...29 Service manual SP 110 E N D Replace POWER Module NO...

Страница 31: ...A PES1MSD011 20 PCB SCAN CHIP A AS PES1J1D011 21 X SUS PCB AS 22 PCB X SUS MANUAL A PEXSMSD011 23 PCB X SUS RHU AS PEXSJ0D011 24 PCB X SUS M 10 AS PEXSJBD011 25 PCB X SUS RADIAL AS PEXSJRD011 26 PCB X...

Страница 32: ...8 Block Diagram 8 1 VIDEO AUDIO...

Страница 33: ...8 2 Digital...

Страница 34: ...8 3 Y Sustain Y Sustain Block Diagram...

Страница 35: ...8 4 X Sustain X Sustain Block Diagram...

Страница 36: ......

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