Service manual

ManualsBrandsDaewoo ManualsPlasma TVDSP-4210GM

Model : DSP-4210GM

CHASSIS : SP-110

S/M No. : TSP110AEF0

Service Manual

DAEWOO ELECTRONICS CO., LTD

http : //svc.dwe.co.kr May.2001

Summary of content (37 pages)

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S/M No. : TSP110AEF0 Service Manual Model : DSP-4210GM CHASSIS : SP-110 DAEWOO ELECTRONICS CO., LTD http : //svc.dwe.co.kr May.
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TABLE OF CONTENTS 1. Safety precautions ........................................................................................................................... 2 2. Product specification ...................................................................................................................... 4 3. Block diagram .................................................................................................................................. 6 4.
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Service manual SP-110 1. SAFETY & PRECAUTIONS SAFETY CHECK AFTER SERVING Examine the area surrounding the repaired location for damage or deterioration. Observe that screw, parts and wires have been returned to original positions. Afterwards, perform the following tests and conform the specified values in order to verify compliance with safety standards. 1-1.
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Service manual SP-110 1-4. Leakage current test Confirm specified or lower leakage current between B(earth ground, power cord plug prongs) and externally exposed accessible parts (video and audio input terminals, speaker out, etc.) Measuring method:(Power ON) lnsert load Z between B(earth ground, power cord plug prongs) and exposed accessible parts. Use AC voltmeter to measure AC voltage across both terminals of load Z. See Fig.2 and following table.
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Service manual SP-110 2. PRODUCT SPECIFICATION [ DSP-4210GM ] ITEM 1. GENERAL 1-1. MODEL NO 1-2. CHASSIS NO 1-3. SCREEN SIZE 1-4. COUNTRY 1-5. RESOLUTION 1-6. REMOCON TRANSMITTER TYPE 1-7. SAFETY STANDARD 2. MECHANICAL 2-1. DIMENSION 1) WITHOUT STAND 2) WITH STAND 3) BOX 2-2. WEIGHT 1) WITHOUT STAND 2) WITH STAND 3. ELECTRICAL & OPTICAL 3-1.
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Service manual SP-110 ITEM 3-6. Optical Chracteristics 1) Display Resolution 2) Peak Luminance 3) Contrast Ratio 4) Color Temperature 3-7. Scaling 3-8. Zoom 3-9. PIP 3-10.OSD 3-11. AC Power 3-12. Power Consumption 3-13. Sound Output 3-14. LAN Interface 3-15. Settop Box Interface 3-16. Others 4. USER CONTROL & ACCESSORIES 4-1.CONTROL 1) SET 2) REMOCON TRANSMITTER 4-2.
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Service manual SP-110 3.
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Service manual SP-110 4. Adjustment 4-1. How to confirm the origianl data of VIDEO PCB (1) Input selection : You select video mode (2) You confirm the original data of user control - Brightness : 36 ( :20 in case of DTV/PC input mode ) - Contrast : 60 - Sharpness : 2 - Colour : 32 - Tint : 0 ( Center ) (3) You confirm the original data of SERVICE MODE (PW364) ( See 4-4 ) - Sub-Brightness : 60 - Sub-Contrast : 70 - R-Bias : 63 - G-Bias : 63 - B-Bias : 68 - R-Gain : 53 - G-Gain : 57 - B-Gain : 76 4-2.
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Service manual SP-110 1) VSHELF(SHELF voltage) : X-electrode sustain voltage when recording DATA TP : RCU25 Adjustment control : RU5 Standard voltage : +60V 2) VVH(SCAN VH voltage) : VH voltage of SCAN IC when scanning TP : RY7 voltage each side Adjustment control : RY6 Standard voltage : -70V (3) The final operation adjustment 1) Input a monochrome pattern of R,G,B. And then you check if there are abnormal OFF-state pixels (which must be in ON-state but are in OFF-state).
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Service manual SP-110 5. When fitting a new board 5-1. Video (1) Check the related adjustments are correctly set as per previous page. 5-2. X-Sustain (1) Set the VSHELF voltage according to the list of adjustments. (2) The data of adjustment voltage is on the label, which is attached on the metal part under Y-Sustain board. 5-3. Y-Sustain (1) Set the Vvh voltage according to the list of adjustments. (2) The data of adjustment voltage is on label, which is attached on the metal part under Y-Sustain board.
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Service manual SP-110 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.
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Service manual SP-110 6-1.
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Service manual SP-110 * IMAGE PROCESSOR PART BLOCK DIAGRAM - 12 -
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Service manual SP-110 NO Video screen ( Composite input ) Check start N N Does the ‘Please check input signal or press “input” key.’ message appear? Is there a weak electronic discharge on the screen? Y 1.Confirm AC connection 2.Confirm Power S/W on 3.Inspect Digital and X,Y N Y Is the signal input jack correctly connected? 1.Make sure of connection of Jack(PDP Monitor & A/V device) N Y N Operate A/V device, Which is used.
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Service manual SP-110 NO DTV screen (1080I, 720P, 480P) Check start N Does the ‘Please check input signal or press “input” key.’ message appear? Y Is the signal input jack correctly connected? 1.Make sure of connection of Jack(PDP Monitor & A/V device) N Y N Is there a weak electronic discharge on the screen? Y N is PA603 properly connected? N Operate A/V device, Which is used. Does the input source operate? Y 1.Confirm AC connection 2.Confirm Power S/W on 3.
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Service manual SP-110 NO PC screen Check start N N Does the ‘Please check input signal or press “input” key.’ message appear? Is there a weak electronic discharge on the screen? Y 1.Confirm AC connection 2.Confirm Power S/W on 3.Inspect Digital and X,Y N Y 1.Make sure of connection of Jack(PDP Monitor & PC) N Is the signal input jack correctly connected? Y N Operate A/V device, Which is used.
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Service manual SP-110 NO Sound Check start Does the screen appear? N 1. Confirm AC connection 2. Confirm power S/W on 3. Inspect video PCB and other blocks Y N is the sound signal input jack correctly connected? 1.Make sure of connection of jack(PDP monitor & A/V device) Y N Connect speaker is the speaker properly connected? Y N 1. Jack PCB is N.G 2. Video connection to jack PCB is N.G Is sound signal output from P502? Y is sound signal on P400 No.
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Service manual SP-110 NO Remote Controller operation Check start N 1. Confirm AC connection 2. Confirm power S/W on 3. Inspect video PCB, LED PCB and other blocks Is red LED next to POWER S/W on? Y Does Remote Controller operate? N 1. Confirm Remote Controller operation and battery Y Is screen on with key input? N 1. Connection with video PCB is N.G or video PCB N.G 2. Inspect video PCB and other blocks Y Is there waveform when pressing remocon in IR NO.2 of P602 N 1. LED PCB is N.G 2.
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Service manual SP-110 NO Key operation Check start N 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 Does power come on with remocon? N Y 1. Connection with video PCB is N.G or Video PCB is N.G 2. Inspect video PCB and other blocks Is connection between PA601 of key PCB and video PCB good? N 1. PA601 connector is N.G 2. Change key PCB Y 1.
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Service manual SP-110 6-2. DIGITAL Checking Order for normal operation of Digital Board and Check Points ( * Measure RMS voltage with a multi-meter, refer to the attached picture for position of check points ) 1. After make sure that the set turns off, turn off the High Voltage 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 3.0V ~ 3.5V, O.K.
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Service manual SP-110 - 20 -
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Service manual SP-110 6-3. X-SUSTAIN BOARD 1. Separate PA7 and PA114 connector 2. Check the remaining electrical voltage of PA7 (1) Check the Voltage of Terminal 170V : If maintained beyond 10 volt, discharge (below 5 volt) with resistance of beyond 1K ohm 5 Watt 3. Confirm the value of series and parallel resistance of RU10//RU13-RU11//RU14-RU12//RU15 (1) Each value of resistance : 6.8 ohm 5 Watt (2) The total value of resistance : 10.2 +/- 0.
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Service manual SP-110 DIODE TESTER + GND A B C D E F G H MEASURE DIODE TESTER + GND A B C D E F G H 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 MEASURE 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Table 3. The value of Diode Tester of each Semiconductor * + : red, - : black NAME 1 QU5/QU6 D S DIODE TESTER + - 2 QU7/QU8 3 QU17/QU18 4 QU15/QU16 5 QU23~QU26 6 QU19~QU22 7 QU12 8 QU11 9 QU9 D S D S D S D S D S D S D S D S + + + + + + + + - 10 QU4 11 QU13/QU14 D S D S + + - MEASURE ABOUT 5 SEC.
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Service manual SP-110 6-3. Y-SUSTAIN BOARD 1. Separate PA9, PA111 connector 2. Confirm the remaining electrical Voltage of PA9 (1) Confirm the Voltage of Terminal 170V : If maintained beyond 10 volt, discharge(below 5 volt) with resistance of beyond 1K ohm 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.
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Service manual SP-110 DIODE TESTER + GND A B C D E F G H I J K L M P MEASURE DIODE TESTER + GND A B C D E F G H I J K L M P 1.2 0.6 0.6 0.6 1.2 1.2 0.6 0.6 0.6 0.6 1.2 0.6 0.6 1.2 MEASURE 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Table 3.
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Service manual SP-110 6-5. SCAN BOARD 1. Confirm the DIOED TESTER, PCB separately 2. The configuration (1) The Voltage Terminal of Scan (top view, components side) A B DIODE TESTER + - MEASURE Beyond 0.
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Service manual SP-110 6-6. DATA H/L, CONNECTION(RU,CU,LU,RD,CD,LD) 1. Confirm the upper part and the lower part (1) Separate PA10 and PA11 (2) Confirm DIODE TESTER 2. Separate P112 (1) Confirm LU 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 (2) Confirm RD and two DATA L boards Table 1.
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Service manual SP-110 6-7. POWER CHECK NO When the set is switched on, the power LED turns red? 1. Check Fuse F1 open 2. Check RC 1(Bridge Diode) open/short YES NO When remote controller is switched on, LED turns green? NO Is 7PIN of CONNECTOR P2 Check 0 V? VIDEO PCB? YES Check R20, R21, R22 open Push the SW1 (Slide switch) of POWER MODULE in the opposite direction of After P3 CONNECTOR is separated, is each voltage NO Then, check LOW B+.
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Service manual SP-110 YES NO Check After P11 CONNECTOR is YES CONNESeparated, is 15V CTION produced? PCB YES Replace Power Module Push the SW1(Slide Switch) POWER Module NO in the direction of Then, check High Voltage Without Connector P7 YES Can Vsus(170V) be producde? And turn on the Power, Can Vsus(170V) be produced? Check X-sus PCB NO Without Connector P9 Can Vsus(170V) be YES Is the Voltage Of Conncetor produced? P7,5PIN 0V? NO YES YES Check Y-sus PCB Turn on the POWER.
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Service manual SP-110 NO END Replace POWER Module - 29 -
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Service manual SP-110 7.
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Service manual SP-110 8. Block Diagram 8-1.
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Service manual SP-110 8-2.
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Service manual SP-110 8-3.
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Service manual SP-110 8-4.
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686, AHYEON-DONG MAPO-GU SEOUL, KOREA C.P.O. BOX 8003 SEOUL, KOREA TELEX : DWELEC K28177-8 CABLE : “DAEWOOELEC” E-mail :djkoo@web.dwe.co.