LG RZ-32LZ50 Service Manual
LG RZ-32LZ50 Manual
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LG RZ-32LZ50 manual content summary:
- LG RZ-32LZ50 | Service Manual - Page 1
website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html LCD TV SERVICE MANUAL CHASSIS : ML-051B MODEL : RZ/RT-37LZ55 CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. - LG RZ-32LZ50 | Service Manual - Page 2
CONTENTS CONTENTS ...2 PRODUCT SAFETY ...3 SPECIFICATION ...6 ADJUSTMENT INSTRUCTION...11 TROUBLE SHOOTING ...15 BLOCK DIAGRAM...18 WIRING DIAGRAM ...19 EXPLODED VIEW ...20 REPLACEMENT PARTS LIST ...23 SVC. SHEET ... -2- - LG RZ-32LZ50 | Service Manual - Page 3
service operation. If any fuse (or Fusible Resistor) in this TV a line Isolation Transformer during this check. Connect 1.5K/10watt resistor in parallel with a measured must not exceed 0.75 volt RMS which is corresponds to 0.5mA. the set must be checked and repaired before it is returned to the - LG RZ-32LZ50 | Service Manual - Page 4
lead. Always remove the test receiver ground lead last. 8. Use with this receiver only the test fixtures specified in this service manual. CAUTION: Do not connect the test fixture ground strap to any heat sink in this receiver. Electrostatically Sensitive (ES) Devices Some semiconductor (solid-state - LG RZ-32LZ50 | Service Manual - Page 5
"lift-off" the board. The following guidelines and procedures should be followed whenever this condition is encountered. At IC Connections To repair a defective copper pattern at IC connections use the following procedure to install a jumper wire on the copper pattern side of the circuit board. (Use - LG RZ-32LZ50 | Service Manual - Page 6
notice for improvement. 1.General Specification(TV) No 1. Item Video input applicable system Specification PAL-D/K, B/G, I, NTSC-M, SECAM Environment 3) Temp : -20 ~ 50 deg 4) Humidity : 10~90 % 10. Display LCD Module LPL 37.02 inch PAL, 200 PR.(Option) NTSC JAPAN FRANCE NTSC (ZE/TE) EU/Non-EU - LG RZ-32LZ50 | Service Manual - Page 7
10:Line2 Ready 12:SWITCH GND 14: SWITCH 5 Power ON Stand by DPMS Mode Power off 6 LCD Module H/V-Sync ON/ON OFF/ON ON/OFF Type Size Green * (H) x (V) x (D) JAPAN Only Middle east / NTSC Area PC Input Specification Unit Remark 1366 horiz. By 768 vert. Pixels RGB strip arrangement Hard coating(3H), - LG RZ-32LZ50 | Service Manual - Page 8
3.Optical Feature(LCD Module) No. Item Specification Min 1 2 3 4 Viewing Angle Luminance Contrast Ratio CIE Color Coordinates R/L, U/D Luminance(cd/ ) Variation CR .75 84.75 VESA(XGA) VESA(XGA) VESA(XGA) VESA(WXGA) VESA(WXGA) Supported VESA VESA VESA VESA Proposed Analog RGB, Digital RGB -8- - LG RZ-32LZ50 | Service Manual - Page 9
HDMI VESA(WXGA) Supported HDCP DVI Digital 1080i HDCP DVI Digital 720p VESA VESA VESA VESA Proposed Analog RGB, Digital RGB 9. Mechanical specification 0.7 V High (9.5 - 12V) - AV Mode Mid (5 - 8V) - Wide Screen Low (0 - 2V) - TV Mode 9 10 11 12 13 14 15 16 17 18 19 20 21 Ground (Green - LG RZ-32LZ50 | Service Manual - Page 10
right) 0.5 Vrms 0.5 Vrms 0.5 Vrms 0.5 Vrms High (9.5 - 12V) - AV Mode Mid (5 - 8V) - Wide Screen Low (0 - 2V) - TV Mode 9 10 11 12 13 14 15 16 17 18 19 20 21 Ground (Green) Comms Data 2 Comms Data 1 800 28.9Kg 33.8kg Height(H) 269 348 Remark With Stand 2 Product Weight Only SET With Box With - LG RZ-32LZ50 | Service Manual - Page 11
INSTRUCTION 1. Application Range This spec. sheet is applied to all of the ML-051B chassis (TORNADO) manufactured at LG TV 35 58 00 DB 2. Specification. 2.1 Because this is Caution: - Never connect HDMI & DVI-D & DVI-A Cable at the Model Name(Hex) : Model Name RZ-37LZ55 RT-37LZ55 RM-37LZ55 Model - LG RZ-32LZ50 | Service Manual - Page 12
Adjustment of RF/AV/SAV * Test Equipment - Remote controller for adjustment - MSPG-925F Pattern Generator->Model: 202 / Pattern: 32 4.1.1 Method of Auto RF/AV/S-VIDEO Color Balance. 1) Input the Video Signal: 75% Color Bar signal into AV3 (RZ), AV1(RT), VIDEO1(RM) 2) Set the PSM to Standard mode in - LG RZ-32LZ50 | Service Manual - Page 13
Language Child Lock Set ID XD Demo 12 Screen Auto config Manual config XGA Mode ARC Zoom +/Position Cinema NR Reset Variable by each mode Flat Off Off 0 50 50 On -- : -Off Off Off TV English Off 1 To Start Area Management User control RZ(RT) Item Off 30 TV Pr 01 Off 16 : 9 Condition Remark - 13 - LG RZ-32LZ50 | Service Manual - Page 14
To adjust screen tilt TILT To manually select the channel. 0~9 POWER Shortcut keys Shortcut keys Shortcut keys 12 Use the AV key to enter the screen W/B adjustment mode. 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 - LG RZ-32LZ50 | Service Manual - Page 15
TROUBLESHOOTING NO POWER (POWER INDICATOR OFF) CHECK CN804 VOLTAGE (P-ST_5V) No CHECK POWER BOARD Yes CHECK CRYCTAL X800(19.6608MHZ) No CHECK CRYSTAL X800 Yes CHECK IC806 VOLTAGE (5V) No CHECK IC806 Yes CHECK Power on/off (5V) No CHECK Q1001 Yes REPLACE POWER BOARD - 15 - - LG RZ-32LZ50 | Service Manual - Page 16
NO VIDEO CHECK LVDS Output P3(PIN 21, PIN 22) No CHECK THE PERIPHERAL IC800 Yes Check L2 (12V) No CHECK THE PERIPHERAL IC1 Yes CHECK L1022 (24V) No CHECK R898 (3.3V) Yes Yes No REPLACE LCD MODULE DOWN LOAD ISP DATA or REPLACE MAIN BOARD - 16 - - LG RZ-32LZ50 | Service Manual - Page 17
NO SOUND IS THE SPK CABLE CONNECTED WELL? No INSERT CABLES WELL Yes DOES IC302 OPERATE? No CHECK IC302 OR CHANGE Yes DOES IC301 OPERATE? No CHECK IC301 OR CHANGE Yes DOES - LG RZ-32LZ50 | Service Manual - Page 18
BLOCK DIAGRAM - 18 - - LG RZ-32LZ50 | Service Manual - Page 19
WIRING DIAGRAM 6631T25026C-4P 6631T25024M-3P 6631T20032G-12P 6631T11020Z-30P - 19 6631T20039B-15P 6631T20029S-5P 6631T20034S-4P - LG RZ-32LZ50 | Service Manual - Page 20
EXPLODED VIEW 150 101 020 100 140 030 010 060 130 - 20 090 120 110 060 050 040 080 070 - LG RZ-32LZ50 | Service Manual - Page 21
BRAND 3090TKE030A C/SKD LCD(LIQUID CRYSTAL DISPLAY), LC370W01-C6K1 LG PHILPS TFT COLOR ODC LCD(LIQUID CRYSTAL DISPLAY), LC370W01-C6 LG PHILPS TFT COLOR P6 PLANT, ODC LCD(LIQUID CRYSTAL DISPLAY), LC370WX1-SL01 LG PHILPS TFT COLOR WXGA AIODC SPEC UP LEAD FREE BACK COVER ASSEMBLY, RZ-37LZ55 NON C/SKD - LG RZ-32LZ50 | Service Manual - Page 22
BRAND 3090TKE030A .-For Singapore CABINET ASSEMBLY, RZ-37LZ55 BRAND 3090TKE030A C/SKD LCD(LIQUID CRYSTAL DISPLAY), LC370WX1-SL01 LG PHILPS TFT COLOR WXGA AIODC SPEC UP LEAD FREE BACK COVER ASSEMBLY, RT-37LZ55 FOR LGEAP NON SET(40AF) BACK COVER ASSEMBLY, RM-37LZ55 NON NON-For Singapore BACK COVER - LG RZ-32LZ50 | Service Manual - Page 23
RS : Metal Oxide Film RN : Metal Film RH : CHIP, Metal Glazed(Chip) RR : Drawing *S *AL LOC. NO. PART NO. DATE: 2005. 09. 21. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. C1155 C1156 C1159 C116 C1160 C1162 C1163 C1165 C1166 C1167 C1169 C1171 C1172 C120 C1218 C1219 C122 C1220 C1221 C1222 C1223 - LG RZ-32LZ50 | Service Manual - Page 24
0CH3104K566 0CH3104K566 0CH3104K566 0CH3104K566 0CH3104K566 0CH3104K566 0CH3104K566 0CH3104K566 0CH3104K566 DATE: 2005. 09. 21. DESCRIPTION / SPECIFICATION 10000PF 50V 10% B(Y5P) 2012-RZ-37LZ55 10000PF 50V 10% B(Y5P) 2012-RZ-37LZ55 0.1UF 50V 10% X7R 2012 R/TP 0.1UF 50V 10% X7R 2012 R/TP 0.1UF - LG RZ-32LZ50 | Service Manual - Page 25
0CH3103K516 0CH3104K566 0CH3103K516 DATE: 2005. 09. 21. DESCRIPTION / SPECIFICATION 0.1UF 50V 10% X7R 2012 R/TP 0.1UF 50V 2012 R/TP 0.1UF 50V 10% X7R 2012 R/TP 10000PF 50V 10% B(Y5P) 2012-RZ-37LZ55 10000PF 50V 10% B(Y5P) 2012-RZ-37LZ55 10000PF 50V 10% B(Y5P) 2012 10000PF 50V 10% B(Y5P) 2012 0.1UF - LG RZ-32LZ50 | Service Manual - Page 26
0CH6102K406 0CH6102K406 DATE: 2005. 09. 21. DESCRIPTION / SPECIFICATION 0.47UF 2012 25V 10% R/TP X7 0.47UF 2012 2012 R/TP 220PF 2012 50V 5% NP0 --RZ-37LZ55 100PF 50V 5% NP0 2012 R/TP-RZ-37LZ55 10UF MV 16V 20% R/TP(SMD) S-RT-37LZ55 10UF MV 16V 20% R/TP(SMD) S-RT-37LZ55 1PF 2012 50V 0.5 PF NP0 R/T - LG RZ-32LZ50 | Service Manual - Page 27
RZ-37LZ55 22UF MVK 16V 20% R/TP(SMD)-RZ-37LZ55 22UF MVK 16V 20% R/TP(SMD)-RZ-37LZ55 10UF MV 16V 20% R/TP(SMD) S-RZ-37LZ55 10UF MV 16V 20% R/TP(SMD) S-RT SPECIFICATION 100UF MVK 16V 20% R/TP(SMD) 1UF MV 50V 20% R/TP(SMD) SM-RT-37LZ55 1UF MV 50V 20% R/TP(SMD) SM-RT-37LZ55 0.1UF 50V 10% X7R 2012 R/TP-RT - LG RZ-32LZ50 | Service Manual - Page 28
DESCRIPTION / SPECIFICATION UDZ S 5.1B TP ROHM-K SOD323-RZ-37LZ55 UDZ S 5.1B TP ROHM-K SOD323-RZ-37LZ55 UDZ S 5.1B TP ROHM-K SOD323-RZ-37LZ55 UDZ CERATECH 32 HB-4M3216-121JT CERATECH 32 HB-4M3216-121JT CERATECH 32 HB-4M3216-121JT CERATECH 32 HB-4M3216-121JT CERATECH 32 HB-4M3216-121JT CERATECH 32 HB- - LG RZ-32LZ50 | Service Manual - Page 29
501 CERATEC 3216M HB-1S2012-080JT CERATEC 201-RZ-37LZ55 HB-1S2012-080JT CERATEC 201-RZ-37LZ55 HH-1M3216-501 CERATEC 3216M HH- SPECIFICATION CHIP 2SA1504S(ASY) BK KEC CHIP 2SC3875S(ALY) BK KEC CHIP 2SC3875S(ALY) BK KEC --RT-37LZ55 CHIP 2SC3875S(ALY) BK KEC --RT-37LZ55 CHIP 2SC3875S(ALY) BK KEC --RT - LG RZ-32LZ50 | Service Manual - Page 30
DATE: 2005. 09. 21. DESCRIPTION / SPECIFICATION 75 OHM 1 / 10 W 2012 5.00%-RZ-37LZ55 0 OHM 1 / 10 W 2012 5.00% D-RZ-37LZ55 75 OHM 1 / 10 W 2012 5.00%-RZ-37LZ55 0 OHM 1 / 10 W 2012 5.00% D-RZ-37LZ55 75 OHM 1 / 10 W 2012 5.00%-RZ-37LZ55 39K OHM 1 / 10 W 2012 5.00%-RZ-37LZ55 51K OHM 1 / 10 W 2012 - LG RZ-32LZ50 | Service Manual - Page 31
DATE: 2005. 09. 21. DESCRIPTION / SPECIFICATION 1K OHM 1 / 10 W 2012 5.00 RZ-37LZ55 75 OHM 1 / 10 W 2012 5.00%-RZ-37LZ55 470K OHM 1 / 10 W 2012 5.00-RZ-37LZ55 1K OHM 1 / 10 W 2012 5.00%-RZ-37LZ55 1K OHM 1 / 10 W 2012 5.00%-RZ-37LZ55 470K OHM 1 / 10 W 2012 5.00-RZ-37LZ55 75 OHM 1 / 10 W 2012 5.00%-RT - LG RZ-32LZ50 | Service Manual - Page 32
0RH1001D622 0RH1201D622 0RH1201D622 0RH1201D622 0RH1000D622 0RH1000D622 0RH1000D622 0RH1000D622 0RH1000D622 DATE: 2005. 09. 21. DESCRIPTION / SPECIFICATION 1K OHM 1 / 10 W 2012 5.00% 1.5K OHM 1 / 10 W 2012 5.00% 22 OHM 1 / 10 W 2012 5.00% 22 OHM 1 / 10 W 2012 5.00% 22 OHM 1 / 10 W 2012 5.00% - 32 - - LG RZ-32LZ50 | Service Manual - Page 33
5.00% D-RT-37LZ55 0 OHM 1 / 10 W 2012 5.00% D-RT-37LZ55 0 OHM 1 / 10 W 2012 5.00% D-RT-37LZ55 33 OHM SPECIFICATION TACT 2LEAD 160G(TA) LG C&D TACT 2LEAD 160G(TA) LG C&D TACT 2LEAD 160G(TA) LG C&D TACT 2LEAD 160G(TA) LG C&D TACT 2LEAD 160G(TA) LG C&D TACT 2LEAD 160G(TA) LG C&D TACT 2LEAD 160G(TA) LG - LG RZ-32LZ50 | Service Manual - Page 34
- LG RZ-32LZ50 | Service Manual - Page 35
P/NO : 38289S0022F Sep., 2005 Printed in Korea
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LCD TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : ML-051B
MODEL : RZ/RT-37LZ55
website:http://biz.LGservice.com