LG RZ-15LA70 Support Question

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Question posted by ladyasnon2 on April 20th, 2011

What Can I Do About A Thick Blue Line Going Down The Tv?

Modle RZ 17LZ250 19in LCD TV. There is a thick blue line going down the middle

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Related LG RZ-15LA70 Manual Pages

Service Manual - Page 1

R *Same looking with new chassis *Issue Date; 2004. 06 website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html LCD TV SERVICE MANUAL CHASSIS : ML-041B MODEL: RZ-15LA70(RZ-15LA70 Rev A) *( ) ID LABEL Model No. CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

Service Manual - Page 3

... blown, replace it is the High Voltage Section and the LCD PANEL. Measure the high voltage. Connect 1.5K/10watt resistor ...RADIATION, Shock, Fire, or other ohm-meter lead in this TV receiver is returned to each exposed metallic part. Do not use...the on the exposed metallic parts of high voltage, use a line Isolation Transformer during the service operation. X-RAY Radiation Warning: The...

Service Manual - Page 6

... Size [mm] Surface Treatment Operating Mode Back light Unit R/T Typ. Specification LPL TFT Color LCD Module 15.0 inches(380.16mm) diagonal(Aspect 4:3) 0. 0.297mm(H)x0.297mm(V)xRGB LVDS 6BIT WITH...Hard Coating(3H) Normally Black, 4 CCFL(4 lamps) R.T.:10ms + F.T.:22ms (MAX) HYDIS TFT Color LCD Module 15.0 inches(380.16mm) diagona 0. 0.297mm(H)x0.297mm(V)xRGB LVDS RGB 6-BIT 16,194,277Colors...

Service Manual - Page 7

...4 CIE Color Coordinates R/L, U/D Luminance(cd/ ) Variation WHITE WX WY RED Wr Yr Green Xg Yg Blue Xb Yb Specification LPL 450 1.3 400 Typ. 0.289 Typ. 0.304 Typ. 0.619 Typ. 0.343 Typ... and Function No. Item 1 Teletext 2 REMOCON 3 AV Input 4 S-Vedio Input 5 Component input 6 PERI TV Connector 7 RGB(VGA)Input 8 H/p input 9 PC Sound input 10 RS-232 11 Discrete IR 12 2 ...

Service Manual - Page 8

6.Engineering Specification 6-1.General Specification(TV) No. Item 1 Video input applicable system 2 Receivable broadcasting system 3 RF input channel 4 Input voltage 5 Tuning system 6 Operting environment 7... FS 1)Temp : 0 ~ 40 deg 2)Humidity : 85% 3)Temp : -20 ~ 60 deg 4)Humidity : 85% Remark EU/Non-EU(RZ/RT) (PAL Market) 7)NTSC Area(RM) PAL FRANCE NTSC JAPAN PAL, 200PR.(Option) NTSC

Service Manual - Page 9

...On/On Off/On On/Off Off/Off - 1: RED 3: Blue: 5: S.T(GND) 7: Green GND 9: N.C 11: ID0(GND)...AC Power Shut Down Voltage 2 DC Voltage, Inverter 3 DC Voltage, LCD Panel 4 DC Voltage, Audio 5 DC Voltage, Tuner(5) DC Voltage, ...V 7.5 8 8.5 V 3.1 3.3 3.5 V 1.6 1.8 2.0 V 3.1 3.3 3.5 V 1.6 1.8 2.0 V 2.8 3.3 3.8 V 4.5 5 5.5 V Middle east/ NTSC Area JAPAN Only Remark Japan only

Service Manual - Page 10

... 5-5 Min Typ Max Unit -85 dBm 0.1 10 m 0.1 9 m -70 dBm -70 dBm Remark LGE Specification 30 degree NTSC ONLY [Table 7] Timming chart of Receivable Mode * H [dot] / V [line] Mode H_display V_display V frequency H_total H_blanking H_sync H Polarity H_bp H_fp H-freq[kHz] /Clk[MHz] V_total V_blanking V_sync V Polarity V_bp V_fp VGA-60 640 480 60...

Service Manual - Page 12

... signals for more than 30 minutes. Convert the input mode to PC input and convert to the LCD TV. 2. Using the Pattern Generator (801GF, VG819) adjust WXGA (1280 X 768) for resolution and...Pattern Generator to 15 Pin D-Sub Jack of Set to PC input. Set the input mode of LCD TV. 2.2.3.2 Auto Gain/Offset adjustment Convert the input mode to PC. ADJUSTMENT INSTRUCTION 1. Connect the DDC ...

Service Manual - Page 13

... 1: Text On 0: ACMS On 1: ACMS Off 0: HiDev Off 1: HiDev On 0: Hotel Off 1: Hotel On 0: Top Off 1: Top On 0: Ch. Sound Memory 0: except below area(Off) 1: Middle-east Area Vol On 0: except below area(Off) 1: China, Australia On NO ITEM 1 Language 2 Txt Lang 3 Inch opt CONDITION Option 3 1 0 0 REMARK 0: Eng Only 1: EU5 2: 12...

Service Manual - Page 14

Video Signal Generator Control Line PARALLEL Not used RS232C C VGS A MONITOR B V-SYNC ST POWER IBM Compatible PC 15 10... Click "Update" button c) Click " Write" button e) Click Start button. Cable Connection Port Setup a) Copy "UserPort.sys" file to LCD Monitor only. 2. EDID ADJUSTMENT Windows EDID V1.0 User Manual Operating System: MS Windows 98, 2000, XP Port Setup: Windows 98 => ...

Service Manual - Page 15

...To select the input status in the PIP screen 26 PIP INPUT(OP4) To use as a blue key in the teletext mode 27 EYE To set a function that will automatically adjust screen status... Mode in the PIP screen. To check TV screen image easily. To adjust horizontal line and sub-brightness. To set the delivery condition status after manufacturing the TV set a specific function or complete setting....

Service Manual - Page 19

No Raster on AV Signal (Video, S-Video) No Raster on TV(RF) signal Repeat [A] Process Pass Check the output of Fail TU1000 Check 5V, 33V of TU1000 Re-soldering or Fail Change the defect part Check ...

Service Manual - Page 22

... is also used to generate 5V power through the regulator. 12V power is used for the LCD panel power, and 5V power is sent to the LCD module after being modified to 3.3V and 1.8V power through the integrated LVDS IC. The...inputted through the tuner, AV port (AV1, AV2, S-Video, component), and converts them into the LCD panel, and can also control the size and position of the input signal. 2.

Service Manual - Page 23

... DIAGRAM 11P_2.0MM H-H 100MM 3 1 1. 20P LVDS : 200MM 2. 41P TTL 3. 50P TTL : 145MM 2 4P_2.0MM H-B (17LZ50 ONLY) 6P_2.0MM H-B 600MM 6 2P_AC_SOCKET SPEAKER 18P_1.0MM FFC 54MM (RZ ONLY) 7 18P_1.0MM FFC 54MM 8 4P_2.5MM SHIELD GND: 2PIN, 4PIN 500MM 750MM RECEPTERCLE 9 SIDE AV (17LZ50 ONLY) Wiring Part List No.

Service Manual - Page 25

...3551TKK537A 4810V00925B 5020V00874A 3550V00385A 4950V00157F 4810V00777D 4810V00778D 4810V00928A 4950V00194A 4950V00190A DESCRIPTION CABINET ASSEMBLY RZ-15LA70 NON ML024E . LCD(LIQUID CRYSTAL DISPLAY), M150X3-L04 XGA CHIMEI TFT COLOR LCD(LIQUID CRYSTAL DISPLAY), LC150X02-A4 LG PHILPS TFT COLOR TN,XGA,450NITS,8BITS LVDS LCD(LIQUID CRYSTAL DISPLAY), HT15X15-D01(A) BOE-HYDIS TFT COLOR XGA, TN 400NITS...

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