Page 1
LCD TV SERVICE MANUAL CHASSIS : LA64A MODEL : 32LC5DC(S) 32LC5DC(S)-UA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Page 3
SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in 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 Shock, Fire, or other Hazards.
Page 4
SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service unit under test. manual and its supplements and addenda, read and follow the 2. After removing an electrical assembly equipped with ES SAFETY PRECAUTIONS on page 3 of this publication. devices, place the assembly on a conductive surface such as NOTE: If unforeseen circumstances create conflict between the aluminum foil, to prevent electrostatic charge buildup or...
Page 5
IC Remove/Replacement Some chassis circuit boards have slotted holes (oblong) through Circuit Board Foil Repair which the IC leads are inserted and then bent flat against the Excessive heat applied to the copper foil of any printed circuit circuit foil. When holes are the slotted type, the following technique board will weaken the adhesive that bonds the foil to the circuit should be used to remove and replace the IC.
Page 7
5. Chroma & Brightness Item Unit Remark White brightness cd/m EZ Picture: Daylight, Color Temperature: Medium Color coordinate 0.602 0.632 0.662 Full Signal Swing (Default) 0.312 0.342 0.372 ± 0.025 GREEN 0.258 0.288 0.318 0.580 0.610 0.640 BLUE 0.117 0.147 0.177 0.035 0.065...
Page 10
12. Customer Menu Setup (Shipment Condition) Item Condition Remark Input Mode TV02CH Volume Level Mute Aspect Ratio 16:9 Video EZ Picture Daylight Color temperature (Disable) Can be access only EZ picture is setting user mode Auto Advanced Cinema: Off Reset Audio Audio Language EZ SoundRite...
ADJUSTMENT INSTRUCTION 1. Application Range 4. Method of PTC MICOM Download This spec sheet is applied all of the 'LA64A' Chassis. 4.1 Connection of MICOM JIG 2. Specification 2.1 Because this is not a hot chassis, it is not necessary to use an isolation transformer.
Page 12
1) Select HCS12 Before ADC Calibration, should be executed the "Module type 2) Target Frequency Settings : selection". A. Checking the factor -> Use Specified Target Frequency ···, Unsecure target··· B. Insert Target Bus Frequency -> 7372800 6. Color Balance adjustment. 3) Specify Algorithm: 9S12dt128_128k .12P 4) Specify S Record: select download file.
Page 13
6.2 Auto Component Color Balance 6.3 Auto RGB Color Balance 6.2.1 Required Test Equipment 6.3.1 Required Test Equipment - Remote controller for adjustment - Remote controller for adjustment - 802F Pattern Generator Which has 720p YPbPr output - 802F Pattern Generator, Master (MSPG-925FS), etc. with Standard (0.7Vpp) See Fig.
Page 14
6.4 RF Color Balance 7. EDID / DDC INPUT 1) Input the RF cable(2 ch) 7.1 EDID(The Extended Display Identification Data) / 2) Set the EZ Pictures to Daylight mode in Video menu. DDC(Display Data Channel) download 3) Press INSTART key on R/C for adjustment. 4) Press the (Vol.
Page 15
7.1.3 Data of EDID for 32/37/42LC5DC-UA,32LX5DC-UA Before adjustment of white balance, should be executed the 7.1.3.1 DDC data of Analog-RGB 'color balance adjustment' 8. Adjustment of White Balance 8.1 Required Equipment - Remote controller for adjustment - Color Analyzer (CA-210 or same product ) - Auto W/B adjustment instrument(only for Auto adjustment) - Use inner(SELF) Pattern 8.2 Adjustment of White Balance (For Manual adjustment)
Page 16
9. Auto white Balance (AV) 10.2 Lodgenet Card & Auto Camport Check command1 command2 Set ID Data Default value Min Max Input Select R-Gain 0h FEh G-Gain 0h FEh B-Gain 0h FEh R-Offset 0h FEh G-Offset 0h FEh B-Offset 0h FEh 10.
Page 18
1. No Power (1) Symptom 1) Does not minute discharge at module. 2) Non does not come into the front LED. (2) Procedure check Is the power cord plugged in? Plug in the power cord. Is the Line Filter and Power Connect the Cable.
Page 19
2. No Raster (1) Symptom 1) No OSD and image occur at screen. 2) It maintains the condition where the front LED is green. (2) Procedure check Is output the normality Does minute discharge Is the IC1111 Replace the Power Low/High voltage except At Module? output normal?
Page 20
(4) In the case of becomes unusual display from S-video/AV mode Check the input source. Is Video input of the AV - Is the source format suportable? Jack(J501) normal? - Is the source device operate well? - Is the cable connected well? Is the FIL8662 Is the Input voltage, IIC Communication Replace Main board.
Page 21
4. In case of no sound (1) Symptom LED is green Ø Screen display but sound is not output. Ø (2) Check following Is this problem occur Is the output signal Is the cable Cable inserts well. in some input(mode)? of the P400 normal? connetde normal.
Page 24
PCB Assembly TOTAL T.T LA64A 32LC5DC-UA AUSVLHX model IR Board Sub total Ass’y MES34241701 Indicator MOLD PMMA LED&PRE AMP 42LC5 PMMA 7 PHY - EBR36283201 PCB Assembly SUB T.T LA64A 32LC5DC-UA AUSVLHX model Side AV Board Sub total Ass’y EBR38739301 PCB Assembly SUB T.T LA64A 32LC5DCS-UA SUSVLJM SIDE A/V AAN33240103...
Page 25
PCB Assembly TOTAL T.T LA64A 32LC5DC-UA AUSVLHX model IR Board Sub total Ass’y MES34241701 Indicator MOLD PMMA LED&PRE AMP 42LC5 PMMA 7 PHY - EBR36283201 PCB Assembly SUB T.T LA64A 32LC5DC-UA AUSVLHX model Side AV Board Sub total Ass’y EBR38739301 PCB Assembly SUB T.T LA64A 32LC5DCS-UA SUSVLJM SIDE A/V AAN33240103...