Related Manuals for LG 42PC1DA-EC
Summary of Contents for LG 42PC1DA-EC
- Page 1 PLASMA TV SERVICE MANUAL CHASSIS : PD61A MODEL : 42PC1DA 42PC1DA-EC CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
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Page 2: Table Of Contents
CONTENTS SAFETY PRECAUTIONS ..................3 DESCRIPTION OF CONTROLS ................4 SPECIFICATIONS ....................10 ADJUSTMENT INSTRUCTIONS ...............12 TROUBLE SHOOTING GUIDE ................17 PRINTED CIRCUIT DIAGRAM ................22 BLOCK DIAGRAM .....................26 EXPLODED VIEW ....................28 EXPLODED VIEW PARTS LIST ................29 REPLACEMENT PARTS LIST................30 SCHEMATIC DIAGRAM..................- 2 -... -
Page 3: Safety Precautions
SAFETY PRECAUTIONS I M P O RTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. -
Page 4: Description Of Controls
DESCRIPTION OF CONTROLS POWER Switches the set between ON and STANDBY. D/A TV (Digital TV / Analogue TV) Selects digital or analogue mode. INPUT Selects the DTV, TV, AV, Component, RGB or HDMI INPUT D/A TV POWER modes. switches the set on from standby. TV, DVD, VCR Selects the remote operating mode: TV, VCR, DVD. - Page 5 MENU Displays on screen menus one by one. Exits the current menu. Memorizes menu changes. TELETEXT BUTTONS INPUT D/A TV These buttons are used for teletext. POWER Text button is used to enable teletext services while other buttons are for teletext functions. * For further details, see the ‘Teletext’...
- Page 6 Front Panel Controls INPUT MENU INPUT Button Power/Standby OK Button PROGRAMME Buttons Indicator POWER Button • illuminates red in standby mode. MENU Button VOLUME Buttons • illuminates white when the set is switched on. - 6 -...
- Page 7 Back Connection Panel AV IN 4 AUDIO Input AUDIO AUDIO L/MONO VIDEO Input VIDEO VIDEO AC IN COMPONENT IN VIDEO AUDIO S-VIDEO COMPONENT IN MONO AV IN 3 VIDEO AUDIO VARIABLE AUDIO OUT AV 1 AV 2 DTV OUT AV 1/2 HDMI/DVI IN 42PC1DV/42PC1DVA DTV OUT...
- Page 8 ACCESSORIES Owner’s Manual Power Cord 75Ω RF Coaxial Owner’s Manual Remote Control / Batteries For 42PC1D/DV/DVA, 42PC3D/DV, 50PC1D 2-Wall brackets 2-eye-bolts 2-bolts Polishing Cloth (42/50PC1D only) (42PC1D/DV/DVA, Polish the screen 42PC3D/DV only) with the cloth. - 8 -...
- Page 9 STAND INSTALLATION (OPTION) Place the set with the screen facing down on a cushion or soft cloth as shown in Figures 1. Before unfolding the stand, please make sure two locks (A) on the bottom of the stand push outward. Pull the stand out as shown above in Figures 2 ~ 3.
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Page 10: Specifications
Chassis Model Name Market Brand Remark PD61A 42PC1DA-EC The United Kingdom Specification Each part is tested as below without special appointment. 1) Temperature : 25±5°C (77±9°F), CST : 40±5 2) Relative Humidity: 65±10% 3) Power Voltage: Standard Input voltage (100-240V~, 50/60Hz) * Standard Voltage of each product is marked by models. - Page 11 2. Model General Specification Item Specification Remark Market The United Kingdom Broadcasting system 1) PAL-BG 2) PAL-DK 3) PAL-I, I’ 4) DVB-T(ID TV) 5) SECAM-L Receiving system Analog : Upper Heterodyne Digital : COFDM Scart Jack (3EA) PAL, SECAM Video Input (2EA) PAL, SECAM, NTSC 4 System : PAL, SECAM, NTSC, PAL60 S-Video Input (1EA)
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Page 12: Adjustment Instructions
ADJUSTMENT INSTRUCTIONS 1. Application Object 3-2. Channel memory Method 1) Select “PDP” and “Hurricane” on Model dialog. And check These instructions are applied to all of the 42” PLASMA TV, your connection in Communication dialog. (If your PD61A Chassis. connection is ‘NG’, then set your PORT(COM1,2,3,...) correctly.) 2. - Page 13 4. Sub Program Down Load (2) Vs Adjustment 1) Connect + terminal of D.M.M to Vs pin of P812, connect 1) Select “ PDP” and “Hurricane” on Model dialog. and check – terminal to GND pin of P812. your connection in Communication dialog. (If your 2) After turning VR951, voltage of D.M.M adjustment as connection is ‘NG’, then set your PORT(COM1,2,3,...) same as Va voltage which on label of panel right/top.
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Page 14: W-Y-C-G-M-R-Blue-Black
8-2. Required Equipment 1) Remote controller for adjustment. 2) AV Pattern Generator. : 802F Pattern Generator, Master(MSPG-925FA), etc. (Which has PAL Composite Video format output with standard(1.0 Vpp) Vertical 100% Color Bar Pattern as Fig7) 8-3. Method of Auto AV(CVBS) Color Balance 1) Input the PAL Composite Video into video input. -
Page 15: W-Y-C-G-M-R-Blue-Black
10. Auto Component Color Balance Auto adjustment Map(RS-232C) Type PD61A : 42PC1DV-EC 10-1. Requirement Baud Rate Data bit Stop bit Parity - It is very import to use correct adjustment pattern like Fig.10. 115200 NONE Within the pattern, color sequence should be aligned : W-Y-C-G-M-R-BLUE-BLACK. - Page 16 11-3. Method of Auto RGB Color Balance 13. EEPROM Data Write 1) Input the PC 1024x768 60Hz 100%Color bar into RGB. 13-1. Signal TABLE 2) Set the PSM to Standard mode in Picture menu. 3) Press ADJ key on R/C for adjustment. CMD LENGTH ADH ADL DATA_1 DATA_N CS DELAY...
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Page 17: Trouble Shooting Guide
TROUBLE SHOOTING GUIDE 1. Power Board 1-1. The whole flowchart which it follows in voltage output state Start check Is it identical Doesn't the Is the Interface screen whole come with Power Off signal operated? out? condition? 1. Check the Power Off 2. - Page 18 1-2. 42” Power Board Structure T801: Vs Trans T901: Va Trans T112: Low Voltage Trans T501: ST-BY Trans T601: PFC Inductor - 18 -...
- Page 19 2. In case of occurring strange screen into specific mode 2-1. In case the OSD does not displayed (1) Symptom 1) LED is white. 2) The minute discharge continuously becomes accomplished from the module. (2) Check follow Is the LVDS cable Is the LVDS cable Replace the cable.
- Page 20 2-2. In case of does’t display the screen into specific mode (1) Symptom 1) The screen does not become the display from specific input mode. (RF, AV, Component, RGB, DVI) (2) Check following 1) Check the all input mode should become normality display. 2) Check the Video(Main)/Data(Sub), Video(Main)/Video(Sub) should become normality display from the PIP mode or DW mode.
- Page 21 3. In case of no sound (1) Symptom 1) LED is white. 2) Screen display but sound is not output. (2) Check following Is the SPK cable Is the SPK cable Replace SPK cable. normal? connected well? Cable inserts well. Is connected Cable inserts well.
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Page 22: Printed Circuit Diagram
PRINTED CIRCUIT BOARD MAIN(TOP) - 22 -... - Page 23 MAIN(BOTTOM) - 23 -...
- Page 24 AV (TOP) AV (BOTTOM) - 24 -...
- Page 25 CONTROL SIDE A/V PRE-AMP - 25 -...
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Page 26: Block Diagram
HY5DU281622E IR/TX R/C IN DDRRAM (128MB X2) RS232_Rx/T x_Cortez R/C OUT Cortez 74LCX157 AM 29LV RS232_Rx/T x_STi RGB H/V Rx0/1, T x0/1 F-ROM (2MB) RS232 ICL3232C ( Main CH. RS232_Rx/T x_Hud Hudson LVDS_31P Decoding / RGB_PC/DTV RGB H/V 24bit_B 3D Comb / ( Sub CH. - Page 27 MEMO - 27 -...
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Page 28: Exploded View
EXPLODED VIEW - 28 -... -
Page 29: Exploded View Parts List
PCB Assembly, Display ZSUS ASSY HAND INSERT 42”HD 42X3 VER.B 4980900366C Supporter, CASTING ALDC NON AL NON 4980900366D Supporter, CASTING ALDC NON AL NON 30919E0075D Cover Assembly, 42PC1DA-EC PD61A 42” MA,LOCAL 4980900367A Supporter, ASSY AL FILTER TOP,42PC1,LGEMA 4980900368A Supporter, ASSY AL FILTER BOTT, 42PC1,LGEMA 4980900369A... -
Page 30: Replacement Parts List
REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION IC506 0ISTLPH003B 74LVC541APW 1.2TO3.6V 0.01mA BUFFER/LINE IC507 0ISTL00029A MC33078DR2G +-5TO+-18V 2mV 0.002% IC100 0IPRP00703A STI5100GUB 3.3V - - PBGA TR 336P IC600 0IPRP00009A ICL3232CBNZ 3VTO5500MV - SSOP IC1000 0IPRPML001A MIC39100-2.5WS MICREL 3P SOT223... - Page 31 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 32 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 33 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 34 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 35 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 36 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 37 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 38 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 39 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 40 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 41 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 42 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 43 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 44 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION L105 6210TCE001G HH-1M3216-501JT 500OHM 3.2X1.6X1.3MM L200 6210VC0006A FBMH3216 HM501NT 500OHM 3.2X1.6X1.6mM L106 6210TCE001G HH-1M3216-501JT 500OHM 3.2X1.6X1.3MM L201 6210VC0006A FBMH3216 HM501NT 500OHM 3.2X1.6X1.6mM L107 6210TCE001G HH-1M3216-501JT 500OHM 3.2X1.6X1.3MM L202 6210VC0006A FBMH3216 HM501NT 500OHM 3.2X1.6X1.6mM L109 6210TCE001G HH-1M3216-501JT 500OHM 3.2X1.6X1.3MM...
- Page 45 The components identified by mark critical for safety. Replace only with part number specified. LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION L514 6210TCE001G HH-1M3216-501JT 500OHM 3.2X1.6X1.3MM 366-036B Conector,Wafer 53014-1210 12P 2.00MM L516 6210TCE001G HH-1M3216-501JT 500OHM 3.2X1.6X1.3MM 6602T20009C Conector,Wafer SMAW200-04P 4P 2.00MM L517 6210TCE001G...
- Page 46 Control Pre-AMP...
- Page 48 May., 2006 P/NO : 38289S0028D Printed in Korea...