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Related Manuals for LG RZ-48SZ40RB
Summary of Contents for LG RZ-48SZ40RB
- Page 1 website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html LCD Projection TV SERVICE MANUAL CHASSIS : MB-03CA MODEL : RZ-48SZ40/41RB CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. DOLBY DOLBY VIRTUAL TUAL TV/AV MENU...
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Page 2: Table Of Contents
CONTENTS CONTENTS ........................2 SAFETY PRECAUTIONS ....................3 SERVICING PRECAUTIONS ..................4 CONTROL DESCRIPTIONS ....................6 SPECIFICATIONS ......................10 ADJUSTMENT INSTRUCTIONS ..................14 BLOCK DIAGRAM......................19 PRINTED CIRCIUT BOARD ...................23 EXPLODED VIEW ......................34 EXPLODED VIEW PARTS LIST ..................35 REPLACEMENT PARTS LIST ..................36 SVC. SHEET ........................- 2 -... -
Page 3: Safety Precautions
SAFETY PRECAUTIONS IMPORT ANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. -
Page 4: Servicing Precautions
SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service transistors and semicounductor "chip" components. The manual and its supplements and addenda, read and follow the following techniques should be used to help reduce the SAFETY PRECAUTIONS on page 3 of this publication. incidence of component damage caused by static by static NOTE: If unforeseen circumstances create conflict between the electricity. - Page 5 c. Qulckly move the soldering iron tip to the junction of the Fuse and Conventional Resistor component lead and the printed circuit foil, and hold it Removal/Replacement there only until the solder flows onto and around both the 1. Clip each fuse or resistor lead at top of the circuit board component lead and the foil.
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Page 6: Control Descriptions
Before you use it, please select TV, VCR or DVD function by press- ing the TV, VCR or DVD buttons. 1. DVD BUTTONS control a LG DVD player. 2. SSM (Sound Status Memory) recalls your preferred sound setting. 3. PSM (Picture Status Memory) recalls your preferred picture setting. - Page 7 11. I/II selects the language during dual language broadcast. selects the sound output (option). 12. LIST displays the programme table. 13. STILL freezes motion of the picture. 14. MULTIMEDIA selects Component 1/2 or RGB-PC modes. 15. MUTE switches the sound on or off. 16.
- Page 8 Front panel Lamp indicator, operation indicator, and temperature indicator, located below the front panel con- trols reveal the operating status of the LCD projection TV. DOLBY DOLBY VIRTUAL TUAL TV/AV MENU DOLBY VIRTUAL TV/AV MENU 3 4 5 1. MAIN POWER (ON/OFF) (Volume Down/Up) switches the set on or off.
- Page 9 Rear panel AV 4 INPUT S-VIDEO INPUT SOCKET S-VIDEO VIDEO AV4 INPUT SOCKET (L)/ AUDIO MONO AV 4 INPUT S-VIDEO VIDEO (L)/ AUDIO MONO ANT IN ANT IN 75‰ 75‰ UPDATE PORT RGB INPUT COMPONENT COMPONENT INPUT 1 INPUT 2 576i/480i 576i/480i 576p/480p...
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Page 10: Specifications
SPECIFICATIONS NOTE : Specifications and others are subject to change without notice for improvement. Scope This specification can be applied to the LCD Projection(RZ-48SZ40RB) Test and Inspection Method 1) performance:Follow the Standard of LG TV test 2) Standards of Etc requirement... - Page 11 Feature and Function Specification Remark Item Unit REMOCON LG Code RGB Input Separate D-Sub 15 Pin RGB Audio (L, R) Input Component Audio (R, L) Input Y, P Component Input AV Input Bottom : Full Scart (AV1) Half Scart 9AV2/S-video2)
- Page 12 Specification Remark Item Unit DC Voltage, Digital, 5V 4.875 5.125 DC Voltage, Turning voltage DC Voltage, LCD Driver, 5V DC Voltage, LCD Driver, 17.5V 17.5 DC Voltage 3.3, SUB MICOM 3.15 3.45 DC Voltage 2.5V, SUB MICOM 2.438 2.600 DC Voltage, FAN 11.5 12.5 External Interface...
- Page 13 Option Specification Remark Item Unit 0 : Standard Volume Curve 1 : Non-Standard (Southeast Asia,Central America) 0 : Support FLOP Text Top 1 : Support All (FLOP + TOP) 0 : Do not save DUAL When converting Channel I_II SVC 1 : Save DUAL when Converting Channel 0 : OSRAM Lamp_Type...
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Page 14: Adjustment Instructions
ADJUSTMENT INSTRUCTIONS 1. Application Object 4. LCD adjustment This instruction is for the application to the LCD Projection 4-1. NRS adjustment [When the LCD panel load data on regular pixel using high 2. Notes speed charge/ discharge with sample & holder, the drain width (1) The power source insulation of this LCD Projection is not of TFT gradually decreases and the non-resistance increases, charging type and you may not use the transformer for... - Page 15 Optical measuring equipment Adjustment Connector for RS-232C Adjustment Cable PC Pattern Generator <Fig 2.TV set status Adjustment> (4) Adjustment Sequence 1) Turn on the adjustment Jig 2) Select RGB_PC by pressing input Select Key on Remote control. <Fig 4. Program Options> 3) Enter to adjustment mode by pressing Adjust key on Remote control.
- Page 16 Follow a measurement machine manual to set CA-100and CA-110 measurement machine.] 2) pattern Generator : 1EA -> 16 step Gray Pattern, 64 step Gray Pattern 3) SET Fixation Stand : 1EA 4) Remote control : 1EA 5) Circuit thing Jig for adjustment (Except Drive Board Assy of adjustment model) --- Programmed Digital Board so that the VDP Test Pattern can output white signal by 1 level from 0 to 255 level.
- Page 17 V coefficient = 1/(number of pixel intervals between setting in the vertical 10. White Uniformity Adjustment direction) (1) Required Test Equipments Vcoeff = 1/((720/12)-1) = 0.016949152 1) Uniformity measuring equipment : Equipment which can hex (0.016949152 x 2 ) = 0 x 0456, Vcoeff (hex) = 0 x 0456 + 1 = 0 x 0457 measure chromaticity in the whole screen 2) Set stand : 1EA 11.
- Page 18 Adjust screen coordinates data to adjust the color in G MID1. --- Change according to GMID1 and GMAX value. uniformity of max point. At this time, make sure that deviation is +5~-5% and (use it while adjusting 4 coefficient) 23. BL1H : Upper 9bit of MID2 brightness correction coefficient standard is color coordinate of center.
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Page 19: Block Diagram
BLOCK DIAGRAM 1. Video Input Path - 19 -... - Page 20 2. Syns I/O Path - 20 -...
- Page 21 3. Audio Input Path - 21 -...
- Page 22 4. Control Signal Connection Diagram- IIC - 22 -...
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Page 23: Printed Circiut Board
PRINTED CIRCUIT BOARD MAIN (TOP) - 23 -... - Page 24 MAIN (BOTTOM) - 24 -...
- Page 25 DIGITAL(TOP) DIGITAL(BOTTOM) - 25 -...
- Page 26 COMPONENT(TOP) COMPONENT(BOTTOM)) - 26 -...
- Page 27 TUNER - 27 -...
- Page 28 TUNER(BOTTOM) - 28 -...
- Page 29 POWER SMPS CASE S/W - 29 -...
- Page 30 DRIVER(TOP) CONTROL(TOP) - 30 -...
- Page 31 DRIVER(BOTTOM) CONTROL(BOTTOM) - 31 -...
- Page 32 MICOM(TOP) SIDE A/V POWER S/W PRE-AMP MICOM(BOTTOM) BALLAST SPEAKER - 32 -...
- Page 33 MEMO - 33 -...
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Page 34: Exploded View
EXPLODED VIEW - 34 -... -
Page 35: Exploded View Parts List
SUPPORTER, NON AL LAMP COVER RN-48SZ40H 3680V00067A LENS, RICOH OPTICAL ENGINE RN-48SZ40 . 5900V11001D FAN,DC B1232S12B2-LG DONGYANG 120*120*30 12V 950+-10 RPM 8-14V 300MM 5900V09005A FAN,DC G9225S12B2-RG DONGYANG 92*92*25 12V/140MA 1650+-10 RPM 8-14V 600MM 4810V00717A BRACKET, SUPPORTER RN-48SZ40 NB03JA ABS, AF-303S FAN... -
Page 36: Replacement Parts List
REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION IC301 0ICTMLG003C LGDT1502M LG IC 304P QFP SN74LVC00AD 14SOP R/TP LOGIC D-TV IC302 0ITI740000Q IC01 0IMI623200B M62320FP,I/O EXPANDER 16P SOP TP 0ITI740000Q SN74LVC00AD 14SOP R/TP LOGIC D-TV... - Page 37 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION 0TR387500AA CHIP 2SC3875S(ALY) KEC Q1232 0TR102009AG CHIP KRC102S KEC TP SOT-23 NA NA CHIP 2SC3875S(ALY) KEC CHIP 2SA1504S(ASY) KEC 0TR387500AA Q1235 0TR150400BA 0TR387500AA CHIP 2SC3875S(ALY) KEC 0TR150400BA CHIP 2SA1504S(ASY) KEC Q100 Q1236 Q101...
- Page 38 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 39 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 40 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 41 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 42 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 43 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 44 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 45 SW06 140-315A TACT SKHV17910B LG C&D NON 12V SW07 140-315A TACT SKHV17910B LG C&D NON 12V 140-313A TACT 2LEAD 100G(TA) LG C&D NON 5V 0.001A SW801 140-289A POWER SDDF3PASP013 LG C&D UL/C JACK J1000 6612JH003EA UST-AG-013 UGCOM 2P SPK TERMINAL GN-RD...
- Page 50 Feb.,2004 P/NO : 3828VD0167A Printed in Korea...