LG Electronics 32LH7000, 32LH7000-ZA CONTENTS

Only for training and service purposes - 2 -

CONTENTS

CONTENTS .............................................................................................. 2

PRODUCT SAFETY ..................................................................................3

SPECIFICATION........................................................................................6

ADJUSTMENT INSTRUCTION ...............................................................10

TROUBLE SHOOTING............................................................................15

BLOCK DIAGRAM...................................................................................19

EXPLODED VIEW .................................................................................. 20

SVC. SHEET ...............................................................................................

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Contents

Main CONTENTS SAFETY PRECAUTIONS General Guidance 1.5 Kohm/10W Before returning the receiver to the customer, Leakage Current Cold Check(Antenna Cold Check) SERVICING PRECAUTIONS Page SPECIFICATION 4. General specification 1. Application range 2. Requirement for Test 3. Test method 5. Chroma& Brightness 6. Component Video Input (Y, PB, PR) 7. RGB PC INPUT 8. HDMI Input (PC/DTV) ADJUSTMENT INSTRUCTION 1. Application Range 2. Designation 3. Main PCB check process * Boot file Download 4. Total Assembly line process 4.1. Adjustment Preparation 4.2. DPM operation confirmation 4.3. DDC EDID Write (RGB 128Byte ) 4.4. DDC EDID Write (HDMI 256Byte) 4.5. EDID DATA * Edid data and Model option download (RS232) 4.6. Outgoing condition Configuration 4.7. Internal pressure For Analog EDID For HDMI EDID D-sub to D-sub DVI-D to HDMI or HDMI to HDMI Product ID HEX EDID Table DDC Function 40450 0x9E02 029E Analog 40451 0x9E03 039E Digital 5. Serial number D/L 5.1. Signal TABLE 5.2. Command Set 5.3. method & notice 1. TV/CATV doesnt display TROUBLESHOOTING 2. DTV doesnt display 3. AV 1/2 doesnt display 4. Component doesnt display 5. RGB PC doesnt display 6. HDMI doesnt display BLOCK DIAGRAM TDA9996 IC100 (LGE3369A) IC600 <JACK BOARD > EXPLODED VIEW THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS SCHEMATIC DIAGRAM THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES HYB18TC512160B2F-2.5 DDR2 1.8V By CAP - Place these Caps near Memory IC300 HYB18TC1G160C2F-2.5 USB [SCART2 PIN 8] [CONTROL IR & LED] 4 10 Audio Out Amp MSD3369GV Platform THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES 20VCC DVB-CI SERIAL BUFFER TS DVB-CI SLOT DVB-CI DETECT THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES TDA9996HL UI_HW_PORT2 UI_HW_PORT1 UI_HW_PORT3 UI_HW_PORT4 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Stand-by +3.3V MP2305DS S6 core 1.26 volt FROM LIPS & POWER B/D SC4215ISTRT LGE7329A MST7329N(FRC) MAIN 109 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES HYB18TC256160BF-2.5 DDR2 1.8V By CAP - Place these Caps near Memory IC1000 HYB18TC256160BF-2.5 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Attenuation Rev(4) ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES JK201 SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR AV PC AUDIO IN/OUT MStar COMPONENT AUDIO SWITCH I/O EXPANSION POWER TUNER JACK PIN