User manual LG RU-42PX10-C SERVICE MANUAL

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Manual abstract: user guide LG RU-42PX10-CSERVICE MANUAL

Detailed instructions for use are in the User's Guide.

[. . . ] CANADA : http//biz. lgservice. com USA : http//www. lgservice. com : http//lgservice. com/techsup. html CHASSIS : RF-043A MODEL : RU-42PX10/C RU-42PX11/H BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. htt p: //w ww . w CAUTION jel . ne PLASMA TV SERVICE MANUAL t SAFETY PRECAUTIONS IMPORT ANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in 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. Do not modify the original design without permission of manufacturer. When replacing a high wattage resistor (Oxide Metal Film Resistor, over 1W), keep the resistor 10mm away from PCB. [. . . ] 5) If Check sum is not D2(1page), BF(2page), repeat 3) ~ 4). 6) If Check sum is D2(1page), BF(2page), DDC data for Analog-RGB input is completed. Index Cmd1 Cmd2 Data Min Value Max Value R Gain G Gain Protocol B Gain Setting R Offset G Offset B Offset j j j j j j a b c d e f 00(00) 00(00) 00(00) 00(00) 00(00) 00(00) 255(FF) 255(FF) 255(FF) 255(FF) 255(FF) 255(FF) 10-1. Preparation for Adjustment (1) Set devices as above and turn the PC, jig on. (2) Put S/W for writing DDC (EDID data Write & Read) into operation. Sequence of Adjustment (1) DDC Data Input for Analog-RGB 1) Put the set on the table and turn the power on. 2) Connect PC Serial to D-sub 15P Cable of jig for DDC adjustment to RGB terminal (D-Sub 15Pin). 3) Operate S/W for DDC record and select DDC data for Analog RGB in Model Menu. 5) Operate EDID Read command and check whether Check Sum is 53. htt p: //w - 11 - ww (1) A jig for adjusting PC, DDC (PC serial to D-sub Connection equipment) (2) S/W for writing DDC (EDID Data Write & Read) (3) D-sub 15P Cable, D-Sub to DVI Connector (Connect to DVI Jack) . w 10. DDC Data Input jel . ne t TROUBLE SHOOTING GUIDE 1. The whole flowchart which it follows in voltage output state Start check Doesn't the screen whole come out? Yes It is identical with Power Off condition?Yes No Is the Interface signal operated? No 1. Check the Interface signal condition. Doesn't the low pressure output come out? Yes Doesn't the St-by 5V signal come out?Yes . w Doesn't the 5V Monitor signal come out?No Doesn't the Vs, Va voltage output come out?Check the Vs, Va voltage output circuit. No Yes No ww jel No Doesn't the VSC signal RL-ON come out?Doesn't the VSC low pressure output come out?Check the VSC low pressure output No When remove the Y B/D Module Input Connector, output voltage Drop it occurs?No When remove the Z B/D Module Input Connector, output voltage Drop it occurs?Check the Y B/D Module Coutput circuit 10. Check the Z B/D Module Coutput circuit Yes No 3. Check the St-by 5V signal circuit. Doesn't the high tension output come out? Yes No High tension output voltage Drop it occurs? No Yes 9. [. . . ] . Co mp _480i Vin5 YCin5 74LS123 Comp1 (DVD/DTV ) Co mp _Y . ne Sid e - AV BOARD Analo g BOARD Co mp _480I/ P To Malib u CVBS S-VHS t Di gt a l BOARD 74ACT253 TMDS Transf er / Thine WIRE IR Tx RS232 ST3232C Analo g RGB DVI g m1501H TQFP 128K DDR Memo ry 74HCT08 M52758FP IC202( MUX) IIS IEP HV RGB PC ZHINE RGB ( PC/ DTV) 24LC21 IIS RGB DTV CXA2101 RGB_DTV VPORT ( 24b it) SVPORT ( 16b it) Flash ROM 512K/ 1M 24LC21 DVI ( PC/ DTV) IIS htt p: LVDS 31PIN M52758FP IC204 DAC_RGB M37136 ( OTP) CAB_Co mb RGB_24Bit FLI2300 HY57V64322 SDRAM ( 8MB) DTV_Co mp DTV2_Co mp Analo g BOARD DVD_MAIN M52758FP IC400( MUX) S/ DVD_Co mp //w ww ALT_Y_480I_MAIN ALT_Y2_480I_MAIN Co m p 1 DVD2_MAIN Co mp BLOCK DIAGRAM - 24 MAIN_YOUT CAB_VIN MAIN_COUT UPD64083 COMB_YOUT COMB_COUT CXA2069Q MAIN_VOUT MAIN_YOUT LA7151M SW CVBS/ Y ALT_Y_480I_SUB ALT_Y2_480I_SUB DVD_SUB DVD2_SUB SUB_YOUT SUB_COUT VPC3230 ( SUB) ( DVD/ DT V) Co mp 2 Co m p 2 ( DVD/ DTV) CVBS IN VIN1 CVBS OUT MNT_OUT . w VPC3230 ( MAIN) M656 8 Bit S-VHS Y/ CIN1 RF Tuner ( M) jel Tuner ( S) Sid e A/ V Side-CVBS S656 8 Bit VIN2 . ne Sid e S-VHS Y/ CIN2 t M62320FP ( I2C Exp end er) htt p: //w ww . w jel . ne t NOTES - 25 - EXPLODED VIEW 300 121 600 305 601 301 304 120 303 302 . w ww 202 204 203 531 560 207 206 205 201 410 520 400 430 530 //w 490 402 htt p: 570 jel 200 580 401 - 26 - . ne t EXPLODED VIEW PARTS LIST No. 6401VD0013H 6401VD0013G 6348Q-E058T 6348Q-E059C 6348Q-E058U 201 202 203 204 205 206 207 300 6871QCH034A 6871QDH066A 6871QDH067A 6871QLH034A 6871QRH037A 6871QYH029A 6871QZH033A 3091V00684B 3091V00684E 3091V00684M 3091V00684S 3091V00684Z 3091V00763A 301 4980V01067A 4980V01067D 4980V01067B 302 4980V01068A 4980V01068D 4980V01068B 303 4980V01069A 4980V01069B 4980V01069D 304 4980V01070A 4980V01070D 4980V01070B 305 400 401 402 410 430 490 520 530 531 560 570 580 600 601 3790V00709B Description SPEAKER ASSEMBLY, FULL RANGE(L) SPEAKER ASSEMBLY, FULL RANGE(R) PDP, 42 16:9 852*480 PDP42V60000. AKLGG PDP, 42 *42PX11H PDP LGERS PCB ASSEMBLY, DISPLAY CTRL ASSY 42V6 NEW MCM(1222) LVDS PCB ASSEMBLY, DISPLAY YDRV ASSY 42V6 YDRV TOP ASSY PCB ASSEMBLY, DISPLAY YDRV ASSY 42V6 YDRV BTM ASSY PCB ASSEMBLY, DISPLAY XRRT ASSY 42V6_XR(4LAYER) PCB ASSEMBLY, DISPLAY YSUS ASSY 42V6 PCB ASSEMBLY, DISPLAY ZSUS ASSY 42V6 CABINET ASSEMBLY *LGEUS PCB ASSEMBLY, DISPLAY XRLT ASSY 42V6_XL(4LAYER) CABINET ASSEMBLY, RU-42PX10 STEREO RF043A NON CABINET ASSEMBLY, RU-42PX11(LGECI) CABINET ASSEMBLY, RU-42PX11(LGEUS) CABINET ASSEMBLY, RU-42PX10C(LGERS) CABINET ASSEMBLY, RU-42PX11 LGEUS SKD(LGERS) SUPPORTER ASSY, AL FILTER TOP RZ-42PZ10 SUPPORTER ASSY, AL FILTER TOP LGERS SUPPORTER ASSY, AL FILTER BOTTOM RZ-42PX10 SUPPORTER ASSY, AL FILTER BOTTOM *42PX11H SUPPORTER ASSY, AL FILTER BOT LGERS SUPPORTER ASSY, AL FILTER RIGHT RZ-42PX10 SUPPORTER ASSY, AL FILTER RIGHT LGERS SUPPORTER ASSY, AL FILTER RIGHT *42PX11H SUPPORTER ASSY, AL FILTER LEFT RZ-42PX10 SUPPORTER ASSY, AL FILTER LEFT *42PX11H SUPPORTER ASSY, AL FILTER LEFT LGERS SUPPORTER ASSY, AL FILTER TOP *42PX11H 3809V00444C 3809V00444D 3301V00025D //w ww BACK COVER ASSEMBLY BACK COVER ASSEMBLY BOARD ASSEMBLY, BASE BUTTON, POWER LGERS FILTER(MECH), LGM42-01 MITSUI 42 ETCHING MESH GLASS FILTER LGERS PLATE ASSEMBLY, COVER VSC TUNER RU-42PX10 PRESS PLATE ASSEMBLY, VSC TUNER LGERS PLATE ASSEMBLY, AV VSC TUNER RU-42PX10 SUPPORTER ASSY, AL MODULE VER. RZ-42PX10 SUPPORTER ASSY, AL VERTICAL LGERS BOARD ASSEMBLY, STAND LGERS SUPPORTER, PCB EGI POWER SW. RZ-42PY20 SUPPORTER, PCB EGI POWER SW LGERS PCB ASSEMBLY, MAIN RF043A MALIBU RU MAIN DIGITAL MANUAL PCB ASSEMBLY, SUB PSW RF043A MAILBU BUTTON, POWER RZ-42PY20 ABS 1KEY . [. . . ]

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