LG RU-42PZ61 Service Manual

Chassis rf-043a

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Service manual (43 pages)

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PLASMA TV

SERVICE MANUAL

CHASSIS : RF-043A

MODEL : RU-42PZ61 RU-42PZ71

CAUTION

BEFORE SERVICING THE CHASSIS,

READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CANADA : http//biz.lgservice.com

USA

: http//www.lgservice.com

: http//lgservice.com/techsup.html

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Summary of Contents for LG RU-42PZ61

Page 1 All manuals and user guides at all-guides.com CANADA : http//biz.lgservice.com : http//www.lgservice.com : http//lgservice.com/techsup.html PLASMA TV SERVICE MANUAL CHASSIS : RF-043A MODEL : RU-42PZ61 RU-42PZ71 CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Page 2 If the exposed metallic part has a return path to the chassis, the measured resistance should be between 1MΩ and 5.2MΩ. CANADA: LG Electronics Canada, Inc. 550 Matheson When the exposed metal has no return path to the chassis the reading must be infinite.
Page 3: Table Of Contents
All manuals and user guides at all-guides.com TABLE OF CONTENTS DESCRIPTION OF CONTROLS ...........4 SPECIFICATIONS..............7 ADJUSTMENT INSTRUCTIONS ..........8 TROUBLE SHOOTING GUIDE ...........12 BLOCK DIAGRAM...............23 EXPLODED VIEW............26,28 EXPLODED VIEW PARTS LIST ........27,29 REPLACEMENT PARTS LIST ..........30 SCHEMATIC DIAGRAM............PRINTED CIRCUIT BOARD ........... - 3 -...
Page 4: Description Of Controls
RU-50PZ61 TruSurround XT ruSurround XT RU-60PZ61 8 9 10 S-VIDEO VIDEO L/MONO AUDIO ON/OFF TruSurround XT ruSurround XT RU-42PZ61 8 9 10 S-VIDEO VIDEO L/MONO AUDIO ON/OFF TruSurround XT ruSurround XT RU-42PZ71 1. ON/OFF Button 6. Remote Control Sensor 2. S-VIDEO Input 7.
Page 5 All manuals and user guides at all-guides.com DESCRIPTION OF CONTROLS Connection Options Connection Options Monitor Output Connect a second TV or Remote Control Port RS-232C INPUT Monitor. Connect your wired DVD/DTV Input (Component 1-2) (CONTROL/SER- remote control here. Connect a component video/audio S-Video Input VICE) PORT device to these jacks.
Page 6 All manuals and user guides at all-guides.com DESCRIPTION OF CONTROLS Remote Control Key Functions Remote Control Key Functions - When using the remote control, aim it at the remote control sensor on the TV. LIGHT MODE Illuminates the remote control buttons. Selects the remote operating mode: TV, VCR, DVD, CABLE, HDSTB or AUDIO.
Page 7: Specifications
All manuals and user guides at all-guides.com SPECIFICATIONS RU-42PZ71 RU-42PZ61 MODEL RU-50PZ61 RU-60PZ61 49.6 / 1260 Width (inches / mm) 56.5 / 1436 57.7 / 1465 49.6 / 1260 28.6 / 726.2 Height (inches / mm) 36 / 913.2 33.3 /845.6 28.5 / 724.8...
Page 8: Adjustment Instructions
All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 1. Application Object (2) Right click on 'LGIDS' and select ‘Create Shortcut’ Then move the shortcut icon onto the desktop. These instructions apply to the RF-043A Chassis. (3) Double-click on the ‘LGIDS’ icon on the desktop to execute the program.
Page 9 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 4-2. KEY Generation (Fig. 3) 4. HDCP Download (Fig. 5) 4-1. LGIDS Setting Method (1) Click on ‘setup’ to install in your directory. (1) Click on ‘Key Generation (G)’. (2) After installation has completed, check if the file shown on (2) Input the number of the key in Generation count.
Page 10 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS (6) It is possible to check how many Generations are created at this point. (Fig. 7) shows that you have created 130 Generations and you will start from 131 next time. (Fig.
Page 11 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 5-4. Adjustment Method for 6. DDC Data Input P/No. 3501V00182A B/D 6-1. Required Test Equipment (1) A jig for adjusting PC, DDC (PC serial to D-sub (1) Va Adjustment Connection equipment) 1) After receiving 100% Full White Pattern, HEAT RUN.
Page 12 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 7. Adjustment of White Balance 8-2. Method of Auto RGB Color Balance (1) Input RGB Source : Component 480p/576p 16 Gray Scale 7-1. Required Equipment Pattern At this time, only connect the Y signal, not Pb and Pr. Color Analyzer (CA-100 or similar product) (2) Press ADJ KEY on the S R/C.
Page 13: Trouble Shooting Guide
All manuals and user guides at all-guides.com TROUBLE SHOOTING GUIDE 1. Power Board 1-1. General Power Flow Start check Doesn't the It is identical Is the Interface screen whole come with Power Off signal operated? out? condition? 1. Check the Power Off 2.
Page 14 All manuals and user guides at all-guides.com TROUBLE SHOOTING GUIDE 1-2. 3510V00182A Power Board Structure T502: Vs Trans T702: Va Trans T101: St-by Trans T103: Low Voltage Trans - 14 -...
Page 15 All manuals and user guides at all-guides.com TROUBLE SHOOTING GUIDE 1-3. 3501V00180A Power Board Structure T221: Vs Trans T271: Va Trans T121: St-by Trans T201: Low Voltage Trans - 15 -...
Page 16 All manuals and user guides at all-guides.com TROUBLE SHOOTING GUIDE 2. No Power (1) Symptom Does’t minute discharge at module. ¯ No front LED. ¯ (2) Check follow Power cord connected? Plug in power cord. Cable connecting the Line Filter Connect Cable.
Page 17 All manuals and user guides at all-guides.com TROUBLE SHOOTING GUIDE 3. Protect Mode (1) Symptom After once shining, it does not discharge minutely ¯ from module The Relay "clicks" ¯ Front LED changes from Green to Red ¯ (2) Check follow Is the Power Board Is output the normality Low/High Replace Power...
Page 18 All manuals and user guides at all-guides.com TROUBLE SHOOTING GUIDE 4. No Raster (1) Symptom Does’t minute discharge at module. ¯ Front LED is green but, no Raster. ¯ (2) Check follow Is the Power Board Is output the normality Low/High Replace Power good? voltage except Stand-by 5V?
Page 19 All manuals and user guides at all-guides.com TROUBLE SHOOTING GUIDE 5. Abnormal Display 5-1. Does’t display the OSD (1) Symptom LED is green ¯ The minute discharge continuously becomes ¯ accomplished from module (2) Check follow Check the LVDS Is the LVDS cable Replace cable.
Page 20 All manuals and user guides at all-guides.com TROUBLE SHOOTING GUIDE 5-2. In case of does’t display the screen into specific mode (1) Symptom The screen does not become the display from specific input mode ¯ (RF, AV, Component, RGB, DVI). (2) Check follow Check the all input mode should become normality display.
Page 21 All manuals and user guides at all-guides.com TROUBLE SHOOTING GUIDE (5) Abnormal display in Component 480i mode Are the Input voltage, IIC Is the Video Decoder Replace IC VPC3230 good? Comm. and HV sync good? Is the DeInterlacer Are the Input voltage, IIC Replace IC S2300 good? Comm.
Page 22 All manuals and user guides at all-guides.com TROUBLE SHOOTING GUIDE (7) Abnormal display in RGB DTV mode Is normal the Are the Input voltage, IIC Replace IC Comm. and HV sync good? CXA2101? Is normal the Are the Input voltage, IIC Replace IC M52758? Comm.
Page 23 All manuals and user guides at all-guides.com TROUBLE SHOOTING GUIDE 6. No sound (1) Symptom LED is green ¯ Screen display but no audio ¯ (2) Check follow Check Speaker Is the SPK cable Replace SPK cable cable? connected well? Reset cable.
Page 24: Block Diagram
All manuals and user guides at all-guides.com BLOCK DIAGRAM - 24 -...
Page 25 All manuals and user guides at all-guides.com BLOCK DIAGRAM - 25 -...
Page 26: Exploded View
All manuals and user guides at all-guides.com EXPLODED VIEW(RU-42PZ61) - 26 -...
Page 27: Exploded View Parts List
PLATE,FRONT NON NON DU-42PZ60(ONLY USA) 3210V00195A FRAME,FRONT AL DN-42PZ60 RIGHT 4972V00098A FIXER,FRAME AL DN-42PZ60 . 4972V00100A FIXER,FRAME AL DN-42PZ60 . 3091V00543F CABINET ASSEMBLY,RU-42PZ61 NON RF043A . 3809V00352C BACK COVER ASSEMBLY,DN-42PZ66 NON . 3301V00025P PLATE ASSEMBLY,VSC TUNER COVER RU-42PZ61 4980V00C74A SUPPORTER ASSY,AL VERTICAL 3501V00166A...
Page 28 All manuals and user guides at all-guides.com EXPLODED VIEW(RU-42PZ71) - 28 -...
Page 29 SUPPORTER,FILTER AL RU-42PZ71 RIGHT 4980V00721D SUPPORTER,FILTER AL RU-42PZ71 LEFT 3790V00281G FILTER(MECH),NBK 1142G03EK-M6 AR/NIR MESH GLASS 3 LAYER 3809V00352D BACK COVER ASSEMBLY,RU-42PZ61 NON NOBLE BLACK 3301V00025S PLATE ASSEMBLY,VSC TUNER COVER RU-42PZ71 4980V00C74B SUPPORTER ASSY,MODULE VERTICAL 3501V00166B BOARD ASSEMBLY,D/T SPK STAND RU-42PZ71 NON W/O PACKING...
Page 30: Replacement Parts List
IC402 Q1100 0TR387500AA CHIP 2SC3875S(ALY) KEC IC403 0ISTLSG009A M74HC123RM13TR 16P Q1101 0TR150400BA CHIP 2SA1504S(ASY) KEC IC500 0ICTMLG018A LGDP4410 LG IC 176P 0TR387500AA CHIP 2SC3875S(ALY) KEC Q1102 IC500 0IZZVC0128A M37136EFSP DIP 52P Q1103 0TR150400BA CHIP 2SA1504S(ASY) KEC IC5001 0IKE780500Q KIA7805API 3P TO-220 5V...
Page 31 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION Q1114 0TR387500AA CHIP 2SC3875S(ALY) KEC Q402 0TR150400BA CHIP 2SA1504S(ASY) KEC Q1115 0TR150400BA CHIP 2SA1504S(ASY) KEC Q403 0TR387500AA CHIP 2SC3875S(ALY) KEC Q1116 0TR387500AA CHIP 2SC3875S(ALY) KEC...
Page 32 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION D1304 0DD226239AA CHIP KDS226 SOT-23 C1042 0CE477SF6DC 470UF MVG 16V 20% D1305 0DD226239AA CHIP KDS226 SOT-23 C1045 0CE107SF6DC 100UF MVG 16V M D1306 0DD226239AA CHIP KDS226 SOT-23...
Page 33 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C1251 0CE477SF6DC 470UF MVG 16V 20% C303 0CE476SF6DC 47UF MVG 16V M C1254 0CE227VF6DC 220UF MV 16V 20% C315 0CE476SF6DC 47UF MVG 16V M C1256 0CE227VF6DC...
Page 34 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C627 0CE107SF6DC 100UF MVG 16V M JK200 6612VJH020B JACK,RCA PPJ122B 6P C632 0CE107SF6DC 100UF MVG 16V M JK201 6612VJH020C JACK,RCA PPJ122C 6P C634 0CE106SF6DC 10UF MVG 16V 20%...
Page 35 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION AR613 0RRZVTA001D 22 OHM 1 / 16 W 1608 5% L1014 6210VC0006A FILTER,EMC FBMH3216 HM501NT AR614 0RRZVTA001D 22 OHM 1 / 16 W 1608 5% L1015 6210VC0006A FILTER,EMC FBMH3216 HM501NT...
Page 36 TUNER,TAFM-H502P L303 6210VC0006A FILTER,EMC FBMH3216 HM501NT ACCESSORIES 6210VC0006A FILTER,EMC FBMH3216 HM501NT L304 L305 6210VC0006A FILTER,EMC FBMH3216 HM501NT 3828VA0470P MANUAL,OWNERS LG EN(CIRCUIT) FILTER,EMC FBMH3216 HM501NT L400 6210VC0006A 6710V00137G REMOTE CONTROLLER L400 6210VC0006A FILTER,EMC FBMH3216 HM501NT 6410VUH005A POWER CORD,PS204 125V/13A 2800MM L401...
Page 37 All manuals and user guides at all-guides.com Aug., 2004 P/NO : 3828VD0179R Printed in Korea CANADA: LG Electronics Canada, Inc. 550 Matheson Boulevard East Mississauga, Ontario L4Z 4G3 : LG Electronics Alabama, Inc. P.O.Box 240007, 201 James Record Road Bldg 3...
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Page 42 All manuals and user guides at all-guides.com MAIN (TOP)
Page 43 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD MAIN (BOTTOM ) MAIN (TOP) TUNER(TOP) TUNER(BOTTOM) POWER S/W SIDE A/V(TOP) AUDIO SPK_TERMINAL(TOP) SIDE A/V(BOTTOM) AUDIO SPK_TERMINAL(BOTTOM) CONTROL(TOP) FAN CONTROL(TOP) CONTROL(BOTTOM) FAN CONTROL(BOTTOM)

This manual is also suitable for:

Ru-42pz71 Ru-50pz61 Ru-60pz61