LG RZ-37LZ30 Service Manual Download Page 15 | Manualshive

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No sound

Check the input

source

Fail

Pass

Change source input

Check the input

of IC1102

Check the pin 56, 57

of IC1102

Fail

Fail

Fail

Pass

Change the Defet part

Check the input

of IC1001, IC1002

Check the output

of IC1102

Pass

Pass

Fail

Pass

Change IC601

Check the R1144,

R1140

Fail

Change R1144, R1140

Check the output

of IC1001, IC1002

Fail

Pass

Change IC1001, IC1002

Check the

speaker

Fail

Pass

Change speaker

Check the speaker wire

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Summary of Contents for RZ-37LZ30

Page 1: ... TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS ML 038C MODEL RZ 37LZ30 website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ...2 SAFETY PRECAUTIONS 3 SVC PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 9 SVC REMOCON 11 TROUBLE SHOOTING 12 BLOCK DIAGRAM 16 WRING 18 EXPLODED VIEW 19 EXPLODED VIEW PARTS LIST 20 REPLACEMENT PARTS LIST 21 SVC SHEET ...

Page 3: ...perform an AC leakage current check on the exposed metallic parts of the cabinet such as antennas terminals etc to be sure the set is safe to operate without damage of electrical shock Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead of ...

Page 4: ...are integrated circuits and some field effect transistors and semiconductor chip components The following techniques should be used to help reduce the incidence of component damage caused by static by static electricity 1 Immediately before handling any semiconductor component or semiconductor equipped assembly drain off any electrostatic charge on your body by touching a known earth ground Altern...

Page 5: ...d the corresponding lead on the circuit board 4 Securely crimp each connection and solder it 5 Inspect on the circuit board copper side the solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp th...

Page 6: ...4 Video input applicable system AV input system Available channel PC Signal Input RGB Input Input Voltage Active Display Size Operating Temperature Operating Humidity Storage Temperature Storage Humidity LCD Panel Lamp Speaker 1 PAL SECAM BG 2 PAL SECAM DK 3 PAL I I 4 SECAM L L 1 PAL 2 SECAM 3 NTSC 3 58 4 43 1 VHF E2 E12 UHF E21 E69 CATV S1 S20 HYPER S21 S41 2 L L VHF B C D VGA SVGA XGA 1024 x 768...

Page 7: ...n LG Code Only MENU PR VOL TV AV OK 0 I Colour Temperature Contrast Brightness Colour Tint Sharpness Dynamic Standard Mild User Normal Cool Warm User FLI2300 FM Stereo Nicam Stereo FM Stereo Nicam Stereo TOP FLOP LIST 128 Page O 1 PIP O 16 9 FULL 4 3 14 9 Zoom Letter Box Auto ARC 16 9 FULL 4 3 0 50 16 9 FULL 4 3 English French Deutsch Spanish Italian Item Specification Remark No EU 8 Key Tint NTSC...

Page 8: ... VESA SVGA 800 600 37 879 60 31 40 00 VESA SVGA 800 600 48 077 72 18 50 00 VESA SVGA 800 600 46 875 75 00 49 50 VESA SVGA 800 600 53 674 85 06 56 25 VESA SVGA 1024 768 48 363 60 00 65 00 VESA XGA 1024 768 56 476 70 06 75 00 VESA XGA 1024 768 60 023 75 02 78 75 VESA XGA 1024 768 68 677 84 99 94 50 VESA XGA 1360 768 47 7 60 00 80 14 CVT WXGA 1366 768 60 15 75 00 102 90 GTF WXGA 832 624 49 725 74 55 ...

Page 9: ...pondent 1 Select WHITE PATTERN of HEAT RUN mode by pressing POWER ON key on SVC Communicator and then operate HEAT RUN more than 15 minutes 2 Supply pattern signal for WB adjustment in pattern generator External INPUT 3 Low Light has no special adjustment 4 White Balance Adjustment must be only perform in A V mode A V3 Thereis no WB Adjustment for RGB input 5 To adjust High Light stick sensor to 2...

Page 10: ...FF ON 11 Figure 1 Cable Connection Windows EDID V1 0 User Manual Operating System MS Windows 98 2000 XP Port Setup Windows 98 Don t need setup Windows 2000 XP Need to Port Setup This program is available to LCD Monitor only 1 Port Setup a Copy UserPort sys file to c WINNT system32 drivers folder b Run Userport exe c Remove all default number d Add 300 3FF e Click Start button f Click Exit button 2...

Page 11: ...put To check the front AV To move channel up down or to select a function displayed on the screen To adjust the volume or accurately control a specific function To set a specific function or complete setting To move the channel down in the PIP screen To use as a red key in the teletext mode To move the channel in the PIP screen To use as a green key in the teletext mode To switch between the main ...

Page 12: ...IC1305 Change IC901 IC905 Change LED Ass y Check SMPS output Check P201 Connector Change SMPS Board Check SMPS Output Stby 5V Stby 3 3V 18V 3 3V Fail Check in Input B IC901 IC905 Fail Fail Pass Pass Pass Check IC1305 Check index STBY 5V LED ASS Y Fail Pass ...

Page 13: ...Pass Check invert Pass Check panel Link cabel Pass Change panel Link cabel Pass Check module Check the 77 76 of IC901 Pass Change module Fail Change IC905 Change IC905 Change input source cabel and Jack Check Output of IC905 Pass Pass Pass Check IIC ERROR of IC901 Pass Check IIC ERROR of IC901 Fail A process ...

Page 14: ...3V of TU801 Re soldering or Change the defect part Check the input of IC1201 Fail Pass Check the C1238 C1240 C1243 C1236 Change the defect part Check the in output of IC1201 Fail Pass Re soldering or Change the defect part Check the in outputof IC401 Fail Pass Re soldering or Change the defect part Check input source cabel and jack ...

Page 15: ...C1102 Fail Fail Fail Pass Change the Defet part Check the input of IC1001 IC1002 Check the output of IC1102 Pass Pass Fail Pass Change IC601 Check the R1144 R1140 Fail Change R1144 R1140 Check the output of IC1001 IC1002 Fail Pass Change IC1001 IC1002 Check the speaker Fail Pass Change speaker Check the speaker wire ...

Page 16: ...rlacing Enhancer OPLUS YUV 4 2 2 H V SYNC YUV 4 2 2 H V SYNC SDRAM SDRAM x 3 AD9888 A D Convetor SDA555 EPROM SRAM EEPROM SIL161 DS232A TMDS Receiver Level shfting M COM Flash Memory SRAM EEPROM L V D S LCD Module MSM82C55 Port Extension CNTL IR Scart R G B Digital R G B 24BIT 4 4 4 R G B H V CXA2101 Component Processor H V SYNC MSP3410 MPS7720 SPK Stereo ...

Page 17: ...ideo Signal Path CXA2089 is switching IC for AV signals AV1 AV2 AV3 RF signals VPC3230 are have functions are high performance adaptive 4H Comb Filter Y C separator with adjustable vertical peaking multi standard color decoder PAL NTSC SECAM including all sub standards FLI2300 is Deinterlacer Line doubler Supports 525 60 NTSC 625 50 PAL SECAM Accept up to 1100 pixels line Scaler input Block Input ...

Page 18: ...R POWER INVERTER SPEAKER 1 2 3 4 8 5 9 7 6 10 11 No Part No 1 6631T11020E 2 6631T20032G 3 6631T25019P 4 6631T25019N 5 6631T20033N 6 6631T20033P No Part No 7 6631T25019R 8 6631T25019Q 9 6631T20033M 10 6631T20032H 11 6631T20028H ...

Page 19: ... 19 EXPLODED VIEW 001 002 005 006 007 008 009 010 011 012 013 014 015 016 003 004 ...

Page 20: ...WB PCB ASSEMBLY SUB RZ 37LZ30 CONTROL HAND BRAND CNTL BOARD 6871TST570A PWB PCB ASSEMBLY SUB RZ 37LZ30 SUB TOTAL BRAND LED BOARD 6871TST569A PWB PCB ASSEMBLY SUB RZ 37LZ30 SUB TOTAL BRAND IR BOARD 6871TSH564A PWB PCB ASSEMBLY SUB RZ 37LZ30 SUB HAND BRAND SIDE A V 4951TKS162A METAL ASSEMBLY FRAME MAIN FRAME ASSY RZ 37LZ30 4951TKS162D METAL ASSEMBLY FRAME METAL MAIN ASSY RZ 37LZ30 CKD 6871TPT283A PW...

Page 21: ...DATE 2004 09 21 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C167 0CE107DF618 100UF STD 16V M FL TP5 C170 0CE107DK618 100UF STD 50V M FL TP5 C236 0CE106DF618 10UF STD 16V M FL TP5 C238 0CE106DF618 10UF STD 16V M FL TP5 C239 0CE476DF618 47UF STD 16V M FL TP5 C240 0CE106DF618 10UF STD 16V M FL TP5 C249 0CE476DF618 47UF STD 16V M FL TP5 C253 0CE107DF618 100UF STD 16V M FL TP5 C257 0CE107DF618 100UF ...

Page 22: ... 50V 10 X7R 2012 R TP C114 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP DATE 2004 09 21 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C1141 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C1144 0CH3103K516 10000PF 50V 10 B Y5P 2012 R C1149 0CH3103K516 10000PF 50V 10 B Y5P 2012 R C1150 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C1151 0CH6010K116 1PF 50V 0 5 PF NP0 2012 R TP C1160 0CH3104K566 0 1UF 50V 10 X7R 2012 R T...

Page 23: ...2012 R TP C411 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C412 0CH3103K516 10000PF 50V 10 B Y5P 2012 R DATE 2004 09 21 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C416 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C418 0CH3103K516 10000PF 50V 10 B Y5P 2012 R C421 0CH6391K416 390PF 50V 5 NP0 2012 R TP C436 0CH6391K416 390PF 50V 5 NP0 2012 R TP C439 0CH3103K516 10000PF 50V 10 B Y5P 2012 R C440 0CH3104K566 0 ...

Page 24: ...50V 10 X7R 2012 R TP C728 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C729 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP DATE 2004 09 21 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C730 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C731 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C732 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C733 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C735 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C800 0CH3...

Page 25: ...F 3 SOT 89 TP RESET IC005 0ISS610082A K6X1008T2D TF70 REVISION 32 T IC502 0IMMREB010A M12L64322A 6T ESMT 86P TSOP T DATE 2004 09 21 S AL LOC NO PART NO DESCRIPTION SPECIFICATION IC701 0IMMREB010A M12L64322A 6T ESMT 86P TSOP T IC702 0IMMREB010A M12L64322A 6T ESMT 86P TSOP T IC703 0IMMREB010A M12L64322A 6T ESMT 86P TSOP T IC902 0IMMRSS064A K6R4016V1D TC10 SAMSUNG ELECT IC1001 0IMCRMZ002A MP7720 MONO...

Page 26: ... TP R1111 0RH6202D622 62K 1 10W 5 TA R1112 0RH4700D622 470 1 10W 5 D R TP DATE 2004 09 21 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R1114 0RH1000D622 100 1 10W 5 D R TP R1116 0RH1000D622 100 1 10W 5 D R TP R112 0RH2001D622 2 0K 1 10W 5 D R TP R1123 0RH4701D622 4 7K 1 10W 5 D R TP R1127 0RH1004D622 1 0M 1 10W 5 D R TP R1129 0RH4703D622 470K 1 10W 5 D R TP R113 0RH2001D622 2 0K 1 10W 5 D R TP R1...

Page 27: ...D R TP R235 0RH1000D622 100 1 10W 5 D R TP R237 0RH6801D622 6 8K 1 10W 5 D R TP R238 0RH2700D622 270 1 10W 5 D R TP DATE 2004 09 21 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R239 0RH8201D622 8 2K 1 10W 5 D R TP R240 0RH1000D622 100 1 10W 5 D R TP R241 0RH6801D622 6 8K 1 10W 5 D R TP R243 0RH2200D622 220 1 10W 5 D R TP R244 0RH2200D622 220 1 10W 5 D R TP R306 0RH3900D622 390 1 10W 5 D R TP R316...

Page 28: ... R TP R981 0RH1000D622 100 1 10W 5 D R TP R983 0RH3301D622 3 3K 1 10W 5 D R TP R984 0RH4700D622 470 1 10W 5 D R TP R986 0RH4701D622 4 7K 1 10W 5 D R TP R987 0RH2001D622 2 0K 1 10W 5 D R TP R988 0RH2200D622 220 1 10W 5 D R TP R989 0RH4702D622 47K 1 10W 5 D R TP R991 0RH0822D622 82 1 10W 5 D R TP R992 0RH2200D622 220 1 10W 5 D R TP R993 0RH2200D622 220 1 10W 5 D R TP AR201 0RRZVTA001D 22 OHM 1 16 W ...

Page 29: ...2012 5 00 D R209 0RH0222D622 22 OHM 1 10 W 2012 5 00 D R210 0RH0222D622 22 OHM 1 10 W 2012 5 00 D R211 0RH1002D622 10K OHM 1 10 W 2012 5 00 D R213 0RH1002D622 10K OHM 1 10 W 2012 5 00 D R220 0RH1002D622 10K OHM 1 10 W 2012 5 00 D DATE 2004 09 21 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R242 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R303 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R304 0RH0000D622 0 OHM 1...

Page 30: ... 2012 R TP C2107 0CH6471K416 470F 50V J NP0 2012 R TP C2108 0CH6471K416 470F 50V J NP0 2012 R TP L2101 0LC0233002A 3 3UH CERATECH R TP L2102 0LC0233002A 3 3UH CERATECH R TP L2103 0RH0000D622 0 OHM 1 10 W 2012 5 00 D L2104 6210TCE001A HB 1S2012 080JT CERATEC 2012M L2105 6210TCE001A HB 1S2012 080JT CERATEC 2012M R2101 0RH0472D622 47 1 10W 5 D R TP R2102 0RH0752D622 75 1 10W 5 D R TP R2103 0RH0752D62...

Page 31: ...SCHEMATIC DIAGRAM 31 ...

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Page 49: ...Sep 2004 Printed in Korea P NO 3828TSL104V ...

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