LG Electronics 22LN45**-Z*, MPEG2/4, DVB-C, MPEG2/4, DVB-T, MPEG2/4, DVB-T2, MPEG2/4,DVB-S

Contents

Main Page SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE General Guidance Before returning the receiver to the customer, Leakage Current Cold Check(Antenna Cold Check) SERVICING PRECAUTIONS Page SPECIFICATION 1. Application range 2. Requirement for Test 3. Test method 4. Model General Specification Page 5. Timing 5.1. RGB/HDMI (PC) 5.2. HDMI (DTV) 5.3. Component ADJUSTMENT INSTRUCTION 1. Application Range 2. Designation 3. Main PCB check process * Boot le Download 3.1. EDID Process 3.1.1. EDID download 3.1.2. RGB EDID Data 3.1.3. HDMI EDID Data 3.2. Function Check 4. Total Assembly line process 4.1. Tool option & ADC Check 4.2. Model name & Serial number download 4.2.1. Model name & Serial number D/L 4.2.2. Method & notice 4.3. Function Check 4.3.1. Check display and sound 4.3.2. PCMCIA CARD Check 4.3.3. PIP Check 4.3.4 HDMI MHL Function Inspection(HDMI2 Port only) 4.5. DPM Operation check 4.6. Model name & SW version & Adjust check 4.6.1. Model Name& SW Version Check 4.6.2. Adjust Check 4.7. Outgoing condition Configuration TROUBLE SHOOTING 1. No Power 2. No Picture 3. No Video - Digital TV 4. No Video - Component 5. No Video - RGB 6. No Video - HDMI 7. No Audio BLOCK DIAGRAM LGE2121-MS10 Option(Only for DVB) - ATSC: TDSS-H501F (Half NIM) Option EXPLODED VIEW FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS AR101 DIMMING SERIAL FLASH MEMORY A0h MODEL OPTION DSUB PHM_ON Memory MODEL_OPT_3 MIU1-NO_DDR FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS DSUB RGB USB(SIDE) RS232C(SIDE) INTERFACE 4 12 HDMI HDMI_2 With MHL HDMI_1 CEC MODULE&CONTROL 6 12 IR/LED and Control 0~0.7V NC PIN23 LGD IR_OUT(Ready) Headphone block AUDIO AMP FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS POWER 8 12 AMP_VCC Control R842 22K PANEL POWER CONTROL Not used : only for small(ready) 5V TO 1.15V DCDC CONVERTER M1 Core LED DRIVER R1137 0.1 1W 1% IC1100 DT1641AS FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2G 1600 K4B1G1646G-BCK0 1G 1600 DDR 12 12 IC1201 * Option name of this page : CI_SLOT CI Region (because of Hong Kong) CI DETECT 120915 BufferIC change 0ITO742440D ->0ISTLPH048A OE H DIR L LINPUT HIGH-Z NETCAST4.0 EU(DVB-T/C)_TUNER_BLOCK Close to TUNER close to TUNER FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS GP4L_S7LR2 SCART / COMPONENT&CVBS Gain=1+Rf/Rg

LG Electronics - page 33

Models: 22LN45**-Z* MPEG2/4, DVB-C MPEG2/4, DVB-T MPEG2/4, DVB-T2 MPEG2/4,DVB-S