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TCL PDP42U3H Service Manual
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TCL PDP42U3H Service Manual

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SERVICE MANUAL
1. Caution..........................................................2
2. Specification....................................................6
3. BOM List........................................................8
4. Alignment Procedure........................................18
5. Block Diagram.................................................22
6. Schematic Diagram..........................................23
7. Explode View Diagram......................................45
This manual is the latest at the time of printing, and does not
include the modification which may be made after the
printing, by the constant improvement of product.
PDP42U3H

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Summary of Contents for TCL PDP42U3H

  • Page 1 SERVICE MANUAL PDP42U3H 1. Caution………………………………………………….2 2. Specification…………………………………………….6 3. BOM List………………………………………………..8 4. Alignment Procedure………………………………….18 5. Block Diagram………………………………………..22 6. Schematic Diagram……………………………………23 7. Explode View Diagram………………………………..45 This manual is the latest at the time of printing, and does not include the modification which may be made after the...
  • Page 2 SCHNEIDER ELECTRONICS GMBH-GERMANY 1. CAUTION CA UTION: Use of controls, adjustments or procedures other than those specified herein may result in hazardous radiation exposure. CA UT ION : T O RE DUCE TH E RIS K OF CA U T ION ELECTR ICA L SHOCK, DO NOT RE MOVE COVER (OR BACK).
  • Page 3 SCHNEIDER ELECTRONICS GMBH-GERMANY IMPORTANT SAFETY INSTRUCTIONS CAUTION: Read all of these instructions. Sa ve these instructions for later use . Follo w all W arnings and Instructions marked on the audio equipment. 1. Read Instructions-All the safety and operating instructionsshouldbe read before the productis operated. 2.
  • Page 4 SCHNEIDER ELECTRONICS GMBH-GERMANY PROTECTION AND LOCATION OF YOUR SET Do not use this television set near water ... for example, near a bathtub, washbowl, kitchen sink, or laundry tub, in a wet basement, or near a swimming pool, etc. Never expose the set to rain or water. If the set has been exposed to rain or water, unplug the set from the wall outlet and refer servicing to qualified service personnel.
  • Page 5 SCHNEIDER ELECTRONICS GMBH-GERMANY OPERATION OF YOUR SET 18. This television set should be operated only from the type of power source indicated on the marking label.If you are not sure of the type of power supply at your home, consult your television dealer or local power company. For television sets designed to operate from battery power, refer to the operating instructions.
  • Page 6 2.Product Specification Environment Operation Temperature（℃） 0～45 Environment Temperature Store Temperature（℃） -10~60 Humidity Operation Humidity（%） 20~80％ Store Humidity（%） 20~90% Air Pressure（kps) 86～106 Screen Parameter Screen Size 42“ Angle of View (H/V) 160°/160° Max. Resolution 852 x 480 Responsive Time ■16:9 □4:3 Ratio Image Size(mm x mm) 1.08 ×...
  • Page 7 Teletext Type: Pages: Audio □Insert SPK. ■ Insert Amplifier ■Sound Effect ■AVC ■Output Power(W）： □DVSS 2×8W ■Sound Effect Adjustment： ■ Bass ■Treble ■Balance ■Others：Five Bands Equalizer Display English,Chinese OSD(2 languages) Adjustment via OSD ■Contrast ■Chroma ■H/V - size（PC） □Picture Rotation ■Brightness ■Tint ■H/V - place （PC）...
  • Page 8 3. BOM LIST ITEM DESCRIPTION LOCATION QTY. 06-0Y0938-B004X ASS'Y-REMOTE HANDSET 11-0BC337-0BX TRANSISTOR (NPN) BC337-40 Q1501 13-18L901-SCB IC MX18L901SC U1501 14-IRE05B-XX0 IR EMITTING DIODE TSAL6200 D1501 19-BB0105-JTX SMD. RES 1M OHM 1/10W +/-5% 0805 R1502 19-BB0472-JTX SMD. RES 4.7K OHM 1/10W +/-5% R1501;R1506;R1507 19-BB0229-JTX SMD.
  • Page 9 ITEM DESCRIPTION LOCATION QTY. 25-BFA471-M1X CAP. ELEC 470 UF 50V +/-20% C652 25-HCB220-M1X CAP. ELEC 22 UF 16V +/-20% C614 25-HCB470-M1X CAP. ELEC 47 UF 16V +/-20% C649 C605;C606;C607;C608;C611;C619;C622;C623; 28-BB0104-ZFX SMD CAP. 0.1 UF 50V +80/-20% 0805 C624;C625;C626;C627;C628;C629;C633;C635; C636;C641;C642;C647;C650;C654;C655 28-BB0222-KBX SMD CAP 0.0022UF 50V +/-10% C601;C602;C603;C604;C610;C620 28-BB0223-ZFX...
  • Page 10 ITEM DESCRIPTION LOCATION QTY. R111;R112;R123;R137;R139;R225;R233;R239; 19-AA0102-JTX RES. SMD 1K OHM 1/16W +/-5% R243;R246;R262;R273;R282;R907;R928;R931; R960;R965;R966;R971;R972;R973;R974 R010;R011;R012;R013;R015;R027;R079;R080; 19-AA0103-JTX RES. SMD 10K OHM 1/16W +/-5% R134;R213;R214;R215;R906;R927;R930;RN13 19-AA0473-JTX RES.SMD 47K 1/16W 0603 +/-5% R017;R014;R272 19-AA0104-JTX RES. SMD 100K OHM 1/16W +/-5% R110;R954;R958;R208 19-AA0151-JTX SMD RES. 150 OHM 1/16W +/-5% R122 19-AA0153-JTX RES.SMD 15K 1/16W 0603 +/-5%...
  • Page 11 ITEM DESCRIPTION LOCATION QTY. C231;C241;C243;C280;C910;C926;C934;C935; 28-RC0106-MAH SMD. CAP 10 UF 16V +/-20% C937;CN11;CN12;CN22;CN23;CN25 28-RC0107-MAH SMD. CAP 100 UF 16V +/-20% C803 28-RC0225-MAH SMD. CAP 2.2 UF 16V +/-20% C261 28-RC0226-MAH SMD. CAP 22 UF 16V +/-20% C902;C908;C911;C922;C931;C932 28-RC0335-MAH SMD. CAP 3.3 UF 16V +/-20% CN17 28-RC0475-MAH SMD.
  • Page 12 ITEM DESCRIPTION LOCATION QTY. 13-FLI230-00B IC FLI2300-BD 13-IC1084-CMB IC AIC1084-33CM 3.3V (TO-263) 13-0L7805-CVS +5V 1.5A IC L7805CV 13-LD1117-25B 2.5V REGULATOR IC LD1117S25(SOT-223) 13-LD1117-33B IC LD1117 3.3V U39;U42 13-ST232C-D0B IC ST232CD(SOP) 13-PT7825-MTB IC PTTM7825MT（5V） 13-PT7825-STB IC PTTM7825ST( 3.3V) 13-P80C32-UBB IC P80C32UBA(PLCC44) 13-PI5V33-0QB IC PI5V330Q (QSOP) 13-RT9172-N25...
  • Page 13 ITEM DESCRIPTION LOCATION QTY. 19-BB0473-JTX SMD. RES 47K OHM 1/10W +/-5% 0805 R105;R156;R224 19-BB0682-JTX SMD. RES 6.8K OHM 1/10W +/-5% 19-BB0750-JTX SMD. RES 75 OHM 1/10W +/-5% R22;R33;R36;R118;R120;R122 RP1;RP2;RP3;RP4;RP5;RP6;RP7;RP8;RP11; RP12;RP13;RP15;RP17;RP25;RP26;RP27; 23-A08220-JBX NETWORK RES. 22 OHM +/-5% RP28;RP29;RP37;RP38;RP39;RP40;RP41; RP42;RP24;RP007;RP008;RP009;RP010; RP011;RP012 27-PBC103-J0X CAP.
  • Page 14 ITEM DESCRIPTION LOCATION QTY. C10;C14;C15;C77;C81;C120;C124;C126;C206; C218;C220;C225;C286;C291;C296;C332;C341; 28-XC0106-MTX TANTALUM CAP.10 UF 16V +/-20% C343;C348;C349;C351;C353;C354;C355;C357; C359;C360;C361;C362;C363;C163;C396;C395; C010;C391 28-XC0225-MTX TANTALUM CAP. 2.2 UF 16V +/-20% 28-XC0226-MTX SMD. CAP 22 UF 16V +/-20% C83;C211;C214;C256;C257 28-XC0475-MTX TANTALUM CAP. 4.7 UF 16V +/-20% B C26;C208;C216 28-YC0474-MTX SMD.CAP.

  • Page 15: Push Button

    ITEM DESCRIPTION LOCATION QTY. 54-703860-2U0 SP0NGE BAR 54-703860-9U0 SP0NGE BAR 54-708640-0U0 PVC INLAY 54-710460-0U0 SPONGE (2MMX10MMX960MM) 54-710470-0U0 SPONGE (2MMX10MMX555MM) 54-714150-0U0 SPONGE 54-714170-0U0 INSULATION BOARD 54-714370-0U0 PVC TRANSPARENT INLAY 54-714380-1U0 SP0NGE BAR 54-714490-0U0 PC SCREW POST 54-715620-0U0 SPONGE 960X8X4 MM FOR UP & LOW SUPPORT 54-715620-1U0 SPONGE 520X8X4 FOR LEFT &...
  • Page 16 ITEM DESCRIPTION LOCATION QTY. 67-S70636-0E7 SCREEN CAN 67-S71383-0E0 SHIELD CAN 67-S71384-0E7 SHIELD BOX (TOP) 57-10654X-00F TWIST TIE NY66 46-CC060F-06M01 5P UL2547#26 600MM 54-807980-0U0 SPONGE 54-808000-0U0 SPONGE 08-P42U3H-DP3 ASS'Y-PACKING PART+B380 41-UK3000-0JM EARPHONE SOCKET CHANGE RCA LINE 41-VK1800-9UU RF. LINE OF PIN 1800 +/-50MM 46-39286V-15X SIGNAL LINE 49-204260-BAT...
  • Page 17 ITEM DESCRIPTION LOCATION QTY. 46-39317H-02X01 HS 2P 1617#18 450MM 48-POW001-XX0 SWITCH POWER KDC-A11 B2 SW800 57-702240-0UG NYLON RIVET 64-B30060-103 M/C SCREW B 3 X 6 67-M70527-0G0 SWITCH BRACKET 4A-SCR42P-LG4 PDP 42" KK MODULE PDP42V69001 V8-PU3H00-01D01 SOFTWARE CODE FOR U16 V8-PU3H00-01D02 SOFTWARE CODE FOR U27 V8-PU3H00-01M02...

  • Page 18: Alignment Procedure

    4. Alignment Procedure Flowchart of alignment procedure: Voltage White VCO and AGC adjustment balance adjustment Adjustment ALIGNMENT PROCEDURE: D-mode: 1) Press “◀” key to reduce the volume to 0 and press “MUTE” key, then press “9”, “7”, “3”, “5”” continually to enter the factory mode. 2) Press ▼/▲...
  • Page 19 Press “3” to enter Page3: TV adjustment menu Press “4” to enter Page4: Geometry picture geometry adjustment menu Item DATA Item Default data BLK-STRC HB00-PAL NOLINER VB00-PAL VGAMMA HB00-NTS LINE VB00-NTS STEEP HPNL-PAL CORING VPNL-PAL COLDELAY HPNL-NTS YDELAY VPNL-NTS LOCK FREQ 471.25 I.
  • Page 20 and GCUT-11K, set the reading of the color analyzer to x=0.265±0.005, y=0.280±.0.005. Then measure the white side of the screen where the luminance is 100±5nit. By changing the value of GGAIN-11 and RGAIN-11, set the reading of the color analyzer to x=0.265±0.005, y=0.280±.0.005.
  • Page 21 III. ALIGNMENT PROCEDURE FOR BOX: 1. VCO Adjustment: 1) Apply the Color-Bar signal (80dB) to TV jack. 2) Repeatedly press “M” key to AUTO SEARCH menu. Press ▼/▲ to select MANUAL item to search the signal. After catching the program, select FINE item and adjust until the frequency displayed in OSD is identical with the input signal.
  • Page 22 ANALOG B1 B1_ANALOG (D-SUB 1 5 ) <Value> <Value> HSYNC1 HS_PB VSYNC1 VS_PB <Value> SDRAM2 SDRAM3 PDP42U3 DIGITAL BOARD SCHEMATIC(JAGASM+FLI2300) <Value> <Value> Title PDP42U3H/26H DIGITAL BOARD(FLI2300+JAGASM) Size Document Number Custom TCL MULTIMEDIA R&D. -- YangHong Date: Friday, February 20, 2004 Sheet...
  • Page 24 R1out TXD_MCU R287 TXD_MCU T1in CON8 T2in T2out AGND4 R2out R2in C367 0.1uF MAX232 Audio Amplifier SCL_5V 4,17,18 SDA_5V 4,17,18 MUTE MUTE CON4 TO audio amplier board Title AUDIO CONNECTOR Size Document Number PDP42U3H Date: Monday, June 14, 2004 Sheet...
  • Page 25 C355 LM1117MPX-1.8 +3.3V FB54 +1.8V 10uF/16V FB55 C349 C351 C350 C352 AGND3 10uF/16V 10uF/16V 0.1uF 0.1uF +5V_STB LM1117MPX-3.3 +3.3V_STB FB58 C357 C359 C356 C358 10uF/16V 0.1uF 0.1uF 10uF/16V Title POWER Size Document Number PDP42U3H Date: Monday, June 14, 2004 Sheet...
  • Page 26 P3.7 P1.6 MUTE P1.7 MUTE XTAL1 24MHZ XTAL2 make two mcu sync R254 RESET RST/VPP FB44 12pF 12pF +5V_STB C328 C329 C330 C331 AT89C2051/DIP20 47uF/16V 0.1uF Title SLAVE MCU 89C2051 Size Document Number PDP42U3H Date: Monday, June 14, 2004 Sheet...
  • Page 27 BLANK# MCA13 MOR5 JAGUAR# U32A ADDRESS1# R342 MCA14 JRD# DEVSEL# ADDRESS2# MCA15 FLASHWE# BC847AL BAV70 MCRD# 74VHC139MTC R344 SN74AHC139PW U32B MCA14 JWR# MCA15 MCWR# Title MAIN MCU 80C32 SN74AHC139PW MCWR# Size Document Number PDP42U3H Date: Monday, June 14, 2004 Sheet...
  • Page 28 +3.3V C296 C298 C300 C302 OGND 10uF/16V 10nF 10nF 10nF [169] OGND 4.7K DDC_SCLK OR14 Sil161 4.7K 2SK3019 C389 100p [169] OR15 +3.3V R210 4.7K SCDT SCDT Title DVI INPUT Size Document Number PDP42U3H Date: Monday, June 14, 2004 Sheet...
  • Page 29 FR_OUT6 FR_OUT7 FR_OUT[0..7] RP36 100Rx4 FPHS FPHS 20,21 PHSYNC 20,21 FPDE PVSYNC FPDE 20,21 PSHFCLK PSHFCLK R185 FPCLK FPCLK 20,21 C281 C282 C283 C284 22pF 22pF 22pF 18pF Title DRIVER Size Document Number PDP42U3H Date: Monday, June 14, 2004 Sheet...
  • Page 30 PHSYNC AE21 PHSYNC R181 AF20 R182 PSHFCLK PSHFCLK 6 AC13 PSHFCLK probe AF12 PNLCLK TP3 DELETED PWM1 R183 20,21 AD21 ENVDD FPENVDD AF22 ENBKL R184 JAGUAR +3.3V Title JAGASM OUTPUT Size Document Number PDP42U3H Date: Monday, June 14, 2004 Sheet...
  • Page 31 C258 C259 C260 C261 C262 C263 C264 C265 C266 C267 C268 C269 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF GND1 GND1 GND1 Title JAG SDRAM Size Document Number PDP42U3H Date: Monday, June 14, 2004 Sheet...
  • Page 32 SA10 SCKE# SDA10 SDCKFB TSCKE MEMCLK 22RX4 SCAS# TSCAS# TSCAS# RP27 22RX4 JAGUAR RP28 TSA8 R177 TSCLK TSCLK TSA7 TSA10 SA10 TSA9 probe 22RX4 RP29 TSA[10..0] TSA[10..0] Title JAG SDRAM Size Document Number PDP42U3H Date: Monday, June 14, 2004 Sheet...
  • Page 33 GND2 DI_HSYNC DI_HSYNC R173 DI_HSYNC DI_HSYNC HSYNC2 PCHSYNC VGA_VSYNC R174 DI_VSYNC 12,16 VGA_VSYNC PBVSYNC PCVSYNC DI_VSYNC R015 JAGUAR DI_VSYNC R016 R017 SAME COPPER ISLAND ON L4 Title JAG DIGITAL INPUT Size Document Number PDP42U3H Date: Monday, June 14, 2004 Sheet...
  • Page 34 +3.3V C219 C220 0.1uF 10uF/16V FB25 FB26 +2.5V +2.5V FB24 C221 C222 C223 C224 C225 GND2 0.1uF 0.1uF 0.1uF 10uF/16V GND2 PGND1 DIGITAL PLL Title JAG ANALOG INPUT PGND1 GND2 Size Document Number PDP42U3H Date: Monday, June 14, 2004 Sheet...
  • Page 35 100pf 100pf R135 R136 AGND2 AGND2 ASTRON HDB600-15 AGND2 AGND2 CUT IN GND PLANE AND JOIN NEAR JAG C193 0.1uF R145 R146 R147 VCLK Title ST24FW21 EDID VGA INPUT DATA Size Document Number PDP42U3H Date: Monday, June 14, 2004 Sheet...
  • Page 36 DECOUPLING FOR SDRAM +3.3VD C164 C165 C166 C167 C168 C169 C170 C171 C172 C173 C174 C175 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF Title SDRAM Size Document Number PDP42U3H Date: Monday, June 14, 2004 Sheet...
  • Page 37 C147 C148 C149 C150 C151 C152 C153 C154 .1uF/50V .1uF/50V .1uF/50V .1uF/50V .1uF/50V .1uF/50V .1uF/50V .1uF/50V 100uF/16V C155 C156 C157 C158 C159 .1uF/50V .1uF/50V .1uF/50V .1uF/50V .1uF/50V PGND3 Title FLI2300 Size Document Number PDP42U3H Date: Monday, June 14, 2004 Sheet...
  • Page 38 0.1uF 0.1uF 22Rx4 0.1uF 0.1uF 0.1uF 0.1uF DV[0..7] C377 C376 22Rx4 AGND1 AGND1 R101 P_CLK R102 AD_HSYNC R103 AD_VSYNC C116 C117 C118 10pF 20pF 10pF GND1 R014 SOGOUT Title AD9883 Size Document Number PDP42U3H Date: Monday, June 14, 2004 Sheet...
  • Page 39 U_AD_IN V_OUT2 QSOP16 V_1274 V_AD_IN QSOP16 V_AD_IN 4,18 JTEST "low" select 1(YPbPr INPUT) SEL_A/B "high" select 2(RGB INPUT) "low" select 1(FROM PI5V330) "high" select 2(FROM 1274) AGND1 AGND1 Title SWITCH Size Document Number PDP42U3H Date: Monday, June 14, 2004 Sheet...
  • Page 40 1,4,18 AGND1 C375 C374 19ohm AGND1 AGND1 C392 C393 10uF/16V 0.01uF FB300 19ohm AGND1 C1815 C391 C390 0.1uF COMB_Y 10uF/16V 0.01uF AGND1 AGND1 AGND1 C1815 0.01uF COMB_C AGND1 Title COMFILTER Size Document Number PDP42U3H Date: Monday, June 14, 2004 Sheet...
  • Page 41 2.7K Digital_VDD VS_1274 VS_1274 0.1uF 100uH +5V_ANALOG +5V_DECODER AGND1 47pF 100uF/16V 0.01uF 100uH AGND1 COMB_C COMB_Y 470uF/25V 47uF/16V 0.01uF AGND1 Sync_VCC 100uH AGND1 470uF/25V 47uF/16V 0.01uF AGND1 Title VIDEO DECODER Size Document Number PDP42U3H Date: Monday, June 14, 2004 Sheet...
  • Page 42 (RCAX3) +5V_STB 82B715 INTR_STB#1A 10UF/16V INTR_STB# GND NC R123 0.1uF 3.3K MMBT3904 AGND1 Y_PANEL Y_PANEL 16,18 82B715 0.1uF SCL_STB1A SDA_STB1A SCL_STB SDA_STB GND NC R124 R125 AGND1 Title VIDEO INPUT Size Document Number PDP42U3H Date: Monday, June 14, 2004 Sheet...
  • Page 43 C314 C315 C316 IDCK+ 0.1uF 6,21 FPCLK 10uF L3.3V VREF R299 4.7k L3.3V R222 C317 R223 IDCK- 0.1uF SiI 164 C318 C319 0.1uF C320 C321 0.1uF PGND5 Title TMDS TRANSMITTER Size Document Number PDP42U3H Date: Monday, June 14, 2004 Sheet...
  • Page 44 6,20 FPHS 6,20 RCLK+ 6,20 FPDE TCLK+ RCLK- RCLK- RCLK+ TCLK- 6,20 FPCLK CLK IN R324 NC/10K R/F(NC) R325 10K LVDS_ON R326 /PWDN CONN FLEX 30 THC63LVDM83A Title LVDS OUTPUT Size Document Number PDP42U3H Date: Monday, June 14, 2004 Sheet...