1 Safety Precautions 1.1. General Guidelines 1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.
Page 3
2 Warning 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensi- tive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Elec- trostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor [chip] components.
Page 4
2.2. About lead free solder (PbF) Note: Lead is listed as (Pb) in the periodic table of elements. In the information below, Pb will refer to Lead solder, and PbF will refer to Lead Free Solder. The Lead Free Solder used in our manufacturing process and discussed below is (Sn+Ag+Cu). That is Tin (Sn), Silver (Ag) and Copper (Cu) although other types are available.
3 Service Navigation 3.1. Service Hint Board Name Function A-Board Rear Terminal, AV Switch, MCU, Audio & Video Processor, LVDS, Tuner V-Board Remote Receiver, LED P-Board Power (AC/DC), DC-DC Control Panel Assy Control Button, Power switch None serviceable Control Panel Assy should be exchanged for service.
4 Specifications Power Source AC 120 V, 60 Hz Power Consumption Average use 222 W (37 INCH) / 170W (32 INCH) Standby condition 0.2 W Display panel Aspect Ratio 16:9 Visible screen size 37 inch class (37.0 inches measured diagonally) (37 INCH) 32 inch class (31.5 inches measured diagonally) (32 INCH) (W ×...
5 Service Mode 5.1. How to enter into Service Mode While pressing [VOLUME ( - )] button of the main unit, press [INFO] button of the remote control three times within 2 seconds. 5.1.1. Key command [1] button...Main items Selection in forward direction [2] button...Main items Selection in reverse direction [3] button...Sub items Selection in forward direction [4] button...Sub items Selection in reverse direction...
Page 9
5.2. SRV-TOOL 5.2.1. How to access 1. Select [SRV-TOOL] in Service Mode. 2. Press [OK] button on the remote control. 5.2.2. Display of SOS History SOS History (Number of LED blinking ) indication. From left side; Last SOS, before Last, three occurrence before, 2nd occurrence after shipment, 1st occurrence after shipment. This indication except 2nd and 1st occurrence after shipment will be cleared by [Self-check indication and forced to factory ship- ment setting].
5.3. Hotel mode 1. Purpose Restrict a function for hotels. item Function 2. Access command to the Hotel mode setup menu Mode Select hotel mode off/on In order to display the Hotel mode setup menu, please Input Select input signal modes. enter the following command (within 2 second).
6 Troubleshooting Guide Use the self-check function to test the unit. 1. Checking the IIC bus lines 2. Power LED Blinking timing 6.1. Check of the IIC bus lines 6.1.1. How to access Self-check indication only: Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [OK] button on the remote control for more than 3 seconds.
6.2. Power LED Blinking timing chart 1. Subject Information of LED Flashing timing chart. 2. Contents When an abnormality has occurred the unit, the protection circuit operates and reset to the stand by mode. At this time, the defective block can be identified by the number of blinks of the Power LED on the front panel of the unit.
Page 13
6.3. No Power First check point There are following 2 states of No Power indication by power LED. 1. No lit 2. Red is lit then turns red blinking a few seconds later. (See 6.2.)
7 Disassembly and Assembly Instructions 7.1. Rear cover 7.2. Pedestal assy 1. Remove the 17 screws (A). 1. Lay down the unit so that the rear cover faces upward. 2. Remove the 2 screws (B), 2. Remove the 4 screws. 3.
7.4. VESA metal and Rear center 7.5. Control panel assy cover 1. Disconnect the connector (A7). 2. Remove the 2 screws. 1. Remove the 4 screws. 3. Remove the control panel assy. 2. Remove the VESA metal and Rear center cover. 37 inch 7.6.
Page 16
7.7. P-Board 7.9. V-Board (32 inch) 1. Remove the 7 screws. 1. Remove the 2 screws. 2. Disconnect the connectors (P1/P2/P5/P6/P7). 2. Disconnect the connector (V1). 3. Remove the P-Board. 3. Remove the V-Board. 7.8. A-Board 1. Remove the 8 screws. 2.
Page 17
7.11. Chassis frame 1. Remove the 5 screws. 2. Remove the chassis frame. 4. Remove the LCD panel. 7.12. LCD Panel and Speaker (37 inch) 1. Remove the 12 screws (C). 2. Remove the 8 screws (D). 3. Remove the LCD MTG and Speaker.
Page 18
7.13. LCD Panel and Speaker (32 4. Remove the LCD panel. inch) 1. Remove the 6 screws (E). 2. Remove the 10 screws (F). 3. Remove the LCD MTG and Speaker.
9 Block Diagram 9.1. Block (1/3) Diagram A-BOARD 27MHz IFD1/2 TS Serial FRONT END Digital/ Analog CLOCK 74MHz Tuner EEPWP EEPROM DDR2 SDRAM 27MHz HDMI1 IIC3 HDMI1 HDMI2 TS Serial HDMI2 RESET HDMI3 HDMI Receiver Digital video signal HDMI3 A/D converter FLASH Peaks Lite2p MEMORY...
Page 24
9.2. Block (2/3) Diagram JK3101 JK3701 JK3104 COMPONET1 COMPONET2 VIDEO1 MONITOR OUT VIDEO2 A-BOARD TU8300 IC8300 TUNER FRONTEND IFD1/2 CH0DATA DIGITAL DIGITAL DEMODULATOR IIC2 SUB_3.3V SUB_1.2V IIC_TU TV_V ANALOG TV_L,R IC3001 SUB_5V BT_30V AV SW Q3123-25 MON_DEF MONITOR VIDEO1 Y/C/V MONITOR V-BOARD IIC_TU...
10 Wiring Connection Diagram 10.1. Caution statement. Caution: Please confirm that all flexible cables are assembled correctly. Also make sure that they are locked in the connectors. Verify by giving the flexible cables a very slight pull. 10.2. Wiring (37 inch)
Page 32
11.4. A-Board (1/10) Schematic Diagram IC8001 MN2WS0047 PEAKS-lite2 LOSD OUT (for HQ1) FOR HQ1L VIDEO FOR ADV7495 B PORT (Sub Video Input or Address) CPU BUS I/F TO 2/10 TO 7/10 TO 9/10 TO 7/10 TO 2/10 MVCLK IC8001 MVCLK IC8001 VI2P4 EA24...
Page 33
11.5. A-Board (2/10) Schematic Diagram A-BOARD (2/10) TNPH0720ABS (37 INCH) TO 1/10 SUB3.3V TNPH0720ACS (32 INCH) R4090 From PEAKS-LiteII EXB2HV560JV AA_ED0 R8661 R8663 AA_ED1 AA_ED2 XECS2 Around Peaks AA_ED3 AA_ED4 XECS4 AA_ED5 DIGITAL(NOR FLASH,ETC) AA_ED6 NAND_I/F AA_ED7 TO 1/10 SUB3.3V LiteII R4091 AA_ED8...
13.2.2. Electrical Replacement Parts List Safety Ref. No. Part No. Part Name & Pcs Remarks Description Safety Ref. No. Part No. Part Name & Pcs Remarks C2195,96 F1G1E103A123 C 0.010UF, K, Description C2213 F1G1H102A730 C 1000UF, 50V K1KA03A00632 3P CONNECTOR C2216 F1G1C104A116 C 0.10UF, K, 16V K1KY23AA0607 23P CONNECTOR...
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description C3057-59 F1J1A106A043 C 0.010UF, K, C4601 F2G0J470A019 E 47UF 6.3V C4602 F1G1C104A116 C 0.10UF, K, 16V C3060,61 F1H1A1050032 C 10UF, 50V C4603 F1H0J2250008 C 2.2UF, K, 16V C3064-71...
Page 54
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description C7008 ECCD3D220KGE C 22PF, K, 2KV C8009,10 F1J1A106A043 C 0.010UF, K, C7009 F1J1H104A835 C 0.10UF, 50V C8011-14 F1G1A104A012 C 0.01UF, K, 10V C7010 F1J1H474A757 C 0.47UF, 50V C8015,16...
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description IC7050 C0DAEYH00002 IC LF7001-03 G0B103H00002 CHOKE COIL IC8001 MN2WS0047 IC8002,03 C3ABSG000052 IC K1KA02B00295 2P CONNECTOR PAVCA IC8004 C0ZBZ0001030 IC K1KA08AA0192 8P CONNECTOR IC8300 MN884350...
Page 57
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R1166 ERJ2GEJ104 M 100KOHM, R2059 ERJ2GEJ105 M 1MOHM, J,0.063W J,0.063W R1169 ERJ2GEJ683 M 68KOHM, R2060 ERJ2GEJ680 M 68 OHM, J,0.063W J,0.063W R1170...
Page 58
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R2523 ERJ2GEJ103 M 10KOHM, R3119 ERJ6RED750 M 75 OHM, 1/10W J,0.063W R3121 ERJ6RED750 M 75 OHM, 1/10W R2524 ERJ2GED563X M 56KOHM R3123...
Page 59
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R4344,45 ERJ2GEJ223 M 22KOHM, R4709,10 ERJ2GEJ103 M 10KOHM, J,0.063W J,0.063W R4346 D0YAR0000007 M 0 OHM 1/4W R4715 ERJ2RKD330 M 33 OHM, J, 2W R4347 ERJ2GEJ473...
Page 60
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R5747 ERJ2GEJ103 M 10KOHM, R7056-58 ERJ6ENF2703 M 270KOHM, 1/10W J,0.063W R7059 D0GD103JA036 M 10KOHM,J,0.25W R5748 ERJ2GEJ223 M 22KOHM, R7060 ERJ6GEYJ183V M 18KOHM,J,1/10W J,0.063W...
Page 61
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R8082 D1BA75R0A014 M0.75KOHM, 1/10W R8550 ERJ2GEJ472 M 4.7KOHM, J,0.063W R8083 ERJ2GEJ301 M 300 OHM, J,0.063W R8552,53 ERJ2GEJ472 M 4.7KOHM, J,0.063W R8084 D0YAR0000007 M 0 OHM 1/4W...
Page 62
If new part numbers are shown, be sure to use them when ordering parts. Please file and use this manual together with the service manual for Model No. TC-32LZ800 TC-37LZ800 : ORDER NO. MTNC080423CE Model No. TC-32LZ800X TC-37LZ800X : ORDER NO. MTNC080429AE Model No.
Page 63
Interchangeability Code **The circled item indicates the interchangeability. If no marking, see the Notes in the bottom column. Parts Set Production D Original Early Original parts may be used in early production sets only. New parts may be used in late Late production sets only.