LG 60PK750 Service Manual
Hide thumbs
Also See for 60PK750:
- Service manual (51 pages) ,
- Specifications (2 pages) ,
- Owner's manual (263 pages)
Advertisement
Quick Links
Advertisement
Related Manuals for LG 60PK750
Summary of Contents for LG 60PK750
- Page 1 PLASMA TV SERVICE MANUAL CHASSIS : PA02A MODEL : 60PK750 60PK750-AA CAUTION...
-
Page 4: Specifications
SPECIFICATIONS NOTE Application Range Specification Test Method Module Specification... -
Page 12: Exploded View
EXPLODED VIEW IMPORTANT SAFETY NOTICE... - Page 13 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. BCM GPIO/NEC MICOM/FLASH/SYS EEPROM Copyright © 2010 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
- Page 14 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. BCM AUDIO/LVDS Copyright © 2010 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
- Page 15 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. BCM VIDEO IN/BCM POWER Copyright © 2010 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
- Page 16 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. DDR2 MEMORY INTERFACE Copyright © 2010 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
- Page 17 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. SMPS POWER Copyright © 2010 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
- Page 18 EAX61354901 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. TUNER Copyright © 2010 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
- Page 19 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. AUDIO AMP Copyright © 2010 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
- Page 20 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. HDMI UX/HDMI Copyright © 2010 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
- Page 21 EAX61354901 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LVDS/RS232//RGB Copyright © 2010 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
- Page 22 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. EAX61354901 JACK Copyright © 2010 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
- Page 23 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR USB HUB THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2010 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
- Page 24 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR ETHERNET THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2010 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
-
Page 26: Table Of Contents
Turn off (Instant, under watching) C. Sound Problem No sound/ Sound distortion E. General function Problem Remote control & Local switch checking First of all, Check whether there is SVC Bulletin in GCSC System for these model. ⓒ LG Electronics. Inc.2009... - Page 27 .Check B+(5V) . Rom update 2.Replace Control B/D Move Move 1. Check Y-Sus/ Z-Sus Board Power problem Power problem Section 2. Replace defective B/D Section ※Refer to the Module label for each voltage <SVC R/C & Pattern> ⓒ LG Electronics. Inc.2009...
- Page 28 Check B+ Voltage on Power Board 1.Check Control Board / Control Board .Check B+(5V) . LED on Close . Crystal(X101) . 1.8V, 3V, 5V FET Move Power problem . Rom update Normal Section 2.Replace Control B/D ⓒ LG Electronics. Inc.2009...
- Page 29 Power B/D before replace Y Drive B/D Check RF Cable Normal Check Tuner Picture Noise Connection Picture? & Replace Close Check Replace Normal 1. Check Z-Sus Board Normal Picture mode Dark Picture Module Picture? 2. Replace Board Picture? setting Close Close ⓒ LG Electronics. Inc.2009...
-
Page 30: Picture Broken/Freezing
Close Picture? S/W Version Bulletin? Picture? 1. Reconnection Off→On: Check 2. Install Booster S/W Upgrade Check Normal Contact with signal distributor Tuner soldering Picture? or broadcaster (Cable or Air) Normal Picture? Replace Main B/D Close Close ⓒ LG Electronics. Inc.2009... - Page 31 1. Check Y Drive B/D Normal 1.Check CTRL B/D Normal of Connector (FPC) Normal Module Line/Bar 2. Replace Board Picture? 2.Replace Board Picture? on Y Drive B/D Close Close 1.Connector re-connection 2.Eliminate foreign material on FPC ⓒ LG Electronics. Inc.2009...
- Page 32 Replace AC DET Signal RL_ON Signal Normal Voltage? Signal? Signal? Output voltage Power B/D on Power B/D on Power B/D on Power B/D Close Check Power B/D Check Main B/D Replace Power B/D Replace Main B/D ⓒ LG Electronics. Inc.2009...
-
Page 33: Turn Off (Instant, Under Watching)
KEY Off Check This is not problem “Off Timer” Under watching Power Off History Set? Normal operation 2HOUR Off NO Signal Off “Off timer” Function off Move Don’t appear No Power problem Power Off History Section ⓒ LG Electronics. Inc.2009... -
Page 34: C. Sound Problem
(By connecting same output cable of other equipment) (S/W Upgrade etc) → DVD Player ,Set-Top-Box, different maker TV etc Check Audio IC Explain customer that Replace Main B/D Cause is RF Signal’s problem (Case 1) Cause is Equipment’s problem (case 2) ⓒ LG Electronics. Inc.2009... - Page 35 Check R/C Normal Normal Normal Check Key Normal Cable connection Assembly status operating? operating? operating? Operation Output signal Signal? Connector solder (Key PCB + tool ) Close Close Repair/Replace Move Local switch B/D Power problem Section ⓒ LG Electronics. Inc.2009...
-
Page 36: Pdp Tv Repair Process Index
Video Probelm RGB(D-SUB) AV(Scart / CVBS) HDMI All Input Digital TV / HDMI Audio Problem Analog TV Component / AV / RGB Optical Audio No USB All Input USB Problem USB Problem Bluetooth Problem Bluetooth Problem ⓒ LG Electronics. Inc.2009... - Page 37 Check P500 All Replace Power board OK ? Voltage Level (17V, 5V) Check IC503 (pin2) Output Replace IC503 Voltage Level (2.5V) Check L507 Replace L507 Voltage Level 1.2V Check IC505 (pin2) Replace IC505 Voltage Level 3.3V ⓒ LG Electronics. Inc.2009...
- Page 38 Check Video color Replace Tuner (Scart out) Go to ⓐ Check IIC Line Check SCL/SDA1 Line Maybe Tuner has problems ⓐ Check TP Clock, Data, Sync : Replace Tuner Check other input / OSD Check Module Change BCM(IC100) ⓒ LG Electronics. Inc.2009...
- Page 39 3/15 Revision Check RF Cable Check 5V voltage Check IC503 Output on TU601(Pin3) Voltage(L502) Check CVBS signal Replace Tuner(TU601) TU601 #11 Pin Replace BCM(IC100) < CVBS waveform – sample > - Defend on the input signal. ⓒ LG Electronics. Inc.2009...
- Page 40 Component Video Problem Block 4/15 Revision Check input signal format Is it supported? Check Component Cable Check signal Check the damage of JK1000 on C338,C339,C340 And Replace Connector Replace BCM(IC100) ※ Measured signals depend on the input signal. ⓒ LG Electronics. Inc.2009...
- Page 41 Check P900 Replace connector (P900). Check signal, Hsync, Vsync Check IC903 Input/Output R953, R959 Check signal Replace C332, C333, C334 C332, C333, C334 Replace Mstar(IC100) ※ Measured signals depend on the input signal. ⓒ LG Electronics. Inc.2009...
- Page 42 Check AV Cable for damage or open conductors Check AV port of JK1002(Side), Replace connector JK1001(Rear) Check signal line JK1002-Video : R359 Replace Resistor or Cap JK1001-Video : C432,C433,C434(RGB), C326(CVBS) ※ Measured signals depend on the input signal. Replace BCM(IC100) ⓒ LG Electronics. Inc.2009...
- Page 43 Is it supported? Check HDMI Cable for damage or open conductors Check EDID D/L Re-Download EDID Check JK800 / J801 / J802 Replace Connector for proper connection or damage Check R867~R874 Replace IC802 (HDMI Switch Output) Replace BCM(IC100) ⓒ LG Electronics. Inc.2009...
- Page 44 Reset (R704) / PDN (R702) PDN(#19) / Reset(#25) is High? :They must be High (3.3V) Check SCL,SDA Replace R707, 708 R707, R708 Check BCM I2S Output Replace BCM(IC100). R114, #21, 22, 23 on IC700 Replace AMP(IC700) ⓒ LG Electronics. Inc.2009...
- Page 45 Check video output video trouble shooting Follow procedure All source audio trouble shooting ◆ HDMI Follow procedure HDMI video Check video output trouble shooting Check EDID Download Re-download EDID data Follow procedure All source audio trouble shooting ⓒ LG Electronics. Inc.2009...
- Page 46 Check SIF signal C602 Replace TU601 Check SIF signal (C301) Check SIF line Follow procedure All source audio < SIF waveform – sample > trouble shooting - Defend on the input signal. Replace BCM IC (IC100) ⓒ LG Electronics. Inc.2009...
- Page 47 JK900 (Side AV) : R1039, R1040 Check IC100 signal JK1000 (Component) : R209, R210 JK1001 (SCART) : R212, R213 Replace the Resistor JK702 (RGB) : R216, R217 JK900 (Side AV) : R214, R215 Follow procedure All source audio trouble shooting ⓒ LG Electronics. Inc.2009...
- Page 48 Optical Audio Problem Block 12/15 Revision Check Signal (JK1000 #3) Check 5V #2 on JK1003 Check Q501 Output (L516) Check SPDIF signal (R1051) Replace BCM(IC100) < SPDIF waveform – sample > - Defend on the input signal. ⓒ LG Electronics. Inc.2009...
- Page 49 When press a key on R/C Check Vs,Va, 5V,17V Replace Power Board on Power Board Check DISP_EN(R253) Check R27 and MICOM Check LVDS Cable damage Replace Cable or open connectors. Change BCM(IC100) Check LVDS DATA Check Module condition ⓒ LG Electronics. Inc.2009...
- Page 50 Check USB 2.0 Cable for damage or open conductors Check P1101/P1102 Replace Connector Check IC1102/1103 #8 status Check USB Module condition Check C1116/C1117 voltage 5V is high ? Replace Capacitor Check R1133,R1134,R1137,R1138 Replace the Resistor Replace IC1100 Check R200,R201 Change BCM(IC100) ⓒ LG Electronics. Inc.2009...
- Page 51 Making 2010. 2 . 22 Input PDP TV Bluetooth Problem Block 13/15 Revision Check B/T Version on INSTART MENU Check #10 P1100 is 3.3V Replace Connector Check P1100 Replace Bluetooth Module Check R204, R205 Change BCM(IC100) ⓒ LG Electronics. Inc.2009...