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Haier 42EP24S Service Manual
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Haier 42EP24S Service Manual

Haier 42EP24S Service Manual

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SERVICE MANUAL
Model 42EP24S
PLASMA TELEVISION
HAIER AMERICA TRADING, LLC
www.Haieramerica.com

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Summary of Contents for Haier 42EP24S

  • Page 1 SERVICE MANUAL Model 42EP24S PLASMA TELEVISION HAIER AMERICA TRADING, LLC www.Haieramerica.com...

  • Page 2: Table Of Contents

    Contents 1. Contents……………………………………………………………...1 2. Features……………………………………………………………...2 3. Safety Precautions………………………………………....3 4. Photo of PDP taking apart…………………………….……………6 5. PANEL Part…………………………………………………………..8 a. Adjustment……………………………………………………….8 b. Trouble Shooting………………………………………………10 c. Power specification……………………………………………20 6. Introduction to PDP circuit boards………………………………..23 a: Signal flow-chart………………………………………………23 b: CHIP SUMMARY……………………………………………..24 c: Debug flow-chart………………………………………………25 7.

  • Page 3: Features

    The product supports PC image resolutions up to XGA (1024ð768) with a vertical frequency of 85HZ. b. General specification z Model name: 42EP24S Number of pixel: 852(H)h480(V) (1Pixel= 1 RGB Cells) z Pixel pitch: 1080µmh1080µm z Cell Pitch: 320µm(H) x 1080µm(V) (Base: Green Cell) z Display area: 920.1(H) x 518.4(V)±0.5mm...

  • Page 4: Safety Precautions

    2. Safety Precautions When servicing of PDP Module, it should be not enforced into another way aside next rule, or a unaccustomed person should not repairing. When using/handling this PDP Module, pay attention to the below warning and cautions. Warning Indicates a hazard that may lead to death or injury if the warning is ignored and the product is handled incorrectly.
  • Page 5 charged at the moment of Power OFF, standing by for 1 minute is required in order to touch the Device circuitry. 2) CAUTIONS (1) Do not place this product in a location that is subject to heavy vibration, or on an unstable surface such as an inclined surface. The product may fall off or fall over causing injuries.
  • Page 6 (27) Use of the product with a combination of parameters conditions or logic not specified in the specifications of this product is not guaranteed. If intending to use the product in such a way, be sure to consult HAIER in advance.
  • Page 7 Printed Circuit Digital Board(Main Board) Printed Circuit Audio Board...

  • Page 8: Panel Part

    4.Panel part a. Adjustment...

  • Page 10: Trouble Shooting

    b.Trouble shooting...

  • Page 20: Power Specification

    c. Power specification (1).Output voltage (2). Micro Controller control signal Input signal(to PSU): RLY signal ( High : Low Voltages*1are ON Low : Low Voltages are OFF) VS ON signal (High : High Voltages*2are ON Low : High Voltages are OFF) Output signal(from PSU) ACD signal (High : 75V <...
  • Page 21 (3).PSU ON/OFF sequence...
  • Page 22 (4).PSU INPUT/OUTPUT PIN...

  • Page 23: Introduction To Pdp Circuit Boards

    Introduction to PDP circuit boards 6. Introduction to PDP circuit boards Signal flow-chart 4M X32 PC RGB PC_HS/VS With 75 ohm pull down Differential Output LVDS SVP-EX 24-bit Data Output PQFP256 HS, VS, CLK MST 3788 VIDEO CVBS_OUT 2Vp_p ADDRESS[18:0] FLASH MEMORY MAIN...

  • Page 24: B: Chip Summary

    b: CHIP SUMMARY M30620: 16-BIT CMOS SINGLE-CHIP MICROCOMPUTER The single-chip microcomputer operate using sophisticated instructions featuring a high level of instruction efficiency. With 1M bytes of address space, they are capable of executing instructions at high speed. In addition, this microcomputer contains a multiplier and DMAC which combined with fast instruction processing capability.

  • Page 25: C: Debug Flow-Chart

    C: Debug flow-chart AC ON Whether alternating current Power board: input STANDBY +5V FOUND Initialization: System Reset Power On *Repair power board. Power failure *Replace fuse. +9V +12V +5V *Check dc-dc circuit +2.5V +3.3V +1.8V and LDO circuit. FOUND SvpEx E0 error SvpEx Reset Svpex E0 Good *SvpEx no ack.
  • Page 26 PRELIMINARY DV009_2: SVP-EX(256) + SAA7117A + HDMI- Block Diagram TUNER OPTION 4M X32 PC RGB PC_HS/VS Differential TV_PIP Output LVDS SVP-EX SVIDEO_1 Output 16-bit Data SAA7117A CVBS_TV PQFP256 HS, VS, CLK SCART RGB VIDEO CVBS_OUT 2Vp_p FLASH ADDRESS[18:0] MEMORY MAIN BOARD TV AND M30620SPGP...
  • Page 27 C306 C308 C310 C313 C315 C317 C319 C311 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF Connector for Amtel AT76C112 Video Output if not a test pad, an enlarged via VDDMQ VDDM underneath the chip or exposed trace. Possible DQS MCLK exposed trace, DQ enlarged via E_PWM C305...
  • Page 28 P_24 100nF 100nF P_24 CVBS2 Y_G1 P_25 CVBS HD_Y P_25 P_26 P_26 P_27 Place 75 ohm P_27 DIN[0..23] P_28 P_28 resistors close P_29 P_29 DIN23 P_30 0R_DNS 75R_DNS to SVP-EX P_30 DIN23 DIN22 0R_DNS P_31 DE_2EX P_31 DIN22 DIN21 CVBS2_G Y_G1_G P_32 P_32...
  • Page 29 DIN15/I EX42 EX52 PLL_VCC P_24 PLL_GND P_25 TXOUT3+ P_24 AVSS33_3 PLL_VCC P_26 TXOUT3- P_27 TXCLK+ P_25 AVDD33 PLL_GND panel P_28 TXCLK- P_29 TXOUT2+ Power for P_26 IRSET TXOUT3+ PVDD PVDD P_30 TXOUT2- 0R_DNS PVDD P_31 LVDSGND PVDD P_27 AVSS33_2 TXOUT3- P_32 LVDSVCC 3V3S...
  • Page 30 MCLK0 MCLK0 Test pads for DDR Each MD trace must be equal length. Each DQS trace must be equal MCLK0# RP39 33Rx4 TP26 length. BA1- TP_T_C30 BA0- MCLK0 CS0#- TP_T_C30 100nF CS0# RAS#- DDQS RAS# CAS#- TP_T_C30 CAS# WE#- CLKE- DQM0 CLKE MCLK0...
  • Page 31 FB27 R158 100K 390R AVDD_ADC AVDD_PLL AVDD_PLL 150_Ohm_600mA FB28 VDDA3.3 5V_SB AVDD_MPLL 3V3S AVDD_AUPLL VDD2V5 AVDD_AUPLL 150_Ohm_600mA FB12 VDDA3.3 150_Ohm_2000mA C101 C102 VDD2V5 RX_HOTPLUG C113 C122 C121 22uF/16V 100nF 100nF C111 C112 BAV99 5V_SB BAV99 100nF 22uF/16V IN_5V 100nF 100nF 22uF/16V R273 VGA_HSIN...
  • Page 32 DE_2EX P_39 VDD3.3 7117AOUT C160 VD1_8_2 100nF_DNS C126 C334 C339 100nF_DNS 100nF_DNS 100nF_DNS AI11 C123 22nF_DNS 27R_DNS 3V_SCL S1_Y 3V_SDA AI21 C124 22nF_DNS 27R->0R_DNS S1_R/C R433 AI31 C128 22nF_DNS 27R->0R_DNS S1_G U8_DNS INT_A C125 C127 C338 4K7_DNS AI41 C129 22nF_DNS 27R->0R_DNS S1_B 100nF_DNS...
  • Page 33 TP20 TP21 TP22 TP23 TP24 TP25 TP26 TP27 A[0..7] A[0..7] RP30 33Rx4 RP32 33Rx4 RP34 33Rx4 When use 27C040,use R144 and RP35 33Rx4 RP31 33Rx4 R140;R145 and R147 are Option. When use W29C040,use R145 and R147;R140 and R144 are Option. R136 100R RX_INT#...
  • Page 34 PHONEJACK STEREO R215 R216 CN40 C185 100K 100K C186 D4_RIN PC_RIN 10uH C187 R217 R218 10uH C188 R219 10nF 100K 100K 10nF 100K R220 RCA_RED 100K PHONEJACK STEREO TGND TGND R222 PHONEJACK STEREO TGND TGND 100K 10uH C190 10uH C191 10nF C192 10nF...
  • Page 35 R247 7117_VIDEO/VIDEO2 3.3uH CVBS C215 330pF CVBS1_G C268 S2_FSW CVBS_OUT CVBS_OUT_EX 100nF R284 CN12 R248 27R->0R_DNS SCART2_VIN_ 100K S2_Y SCART2_FB C218 SCART2_RIN_ R250 27R->0R_DNS C219 R249 S2_R/C SCART2_GIN_ 100nF R251 27R->0R_DNS SCART2_BIN 100nF S2_G S2_AV_ST AGND S2_AV R253 27R->0R_DNS SCART_VIN MMBT3904 S2_B S1_Y...
  • Page 36 CN16 CN13 CN14 Tuner Connector CN17 CN16 A_SW1_PIP A_SW1 A_SW2_PIP A_SW2 SAW_SW_PIP SAW_SW R264 R266 AFT_PIP RCA_YELLOW GPIO_CF AGC_MUTE VDDA3.3 Mute RESET_MSP 3.3uH 3.3uH R265 7x1 2mm_DNS 470uH C226 R269 C225 12x2 2mm CON_DIN4_SW R267 R268 C107 TV_IN 330pF 330pF CVBS2_G VIDEO2 100uF/16V...
  • Page 37 CN24 CON 12x1 2.5mm_DNS CN23 VGA_RIN_G VGA_R R317 100R VGA-TXD VGA_GIN_G VGA_SDA_IN VGA_G VGA_BIN_G VGA_H VGA_B VGA_V VGA-RXD R318 100R VGA-CON VGA_SCL_IN 5V_SB D5 BAV99 DB15 R319 R320 VGA_CON 100R C252 FB17 10nF VGA_SDA_IN VGA_R R321 VGA_RIN 150_Ohm_600mA FB18 VGA_G R322 VGA_GIN VGA_SCL_IN...
  • Page 38 12V_SB FUSE_DNS CN25 R332 5V_SB FUSE 12V_SB R333 CN27 B4B-PH-K R334 POWER 10K_DNS C259 7X1 2.5mm AGND 5V_SB INPUT CN39 100nF CEM9435A_DNS C260 R394 C479 1nF_DNS 47uF/16V 2X1 2.5mm R336 AGND R335 100R 1K_DNS R337 10K_DNS SB_PWR VGA_HS VGA_HS# 5V_SB R436 IR_USB MMBT3904_DNS...
  • Page 39 Power for DDR LMS1587CS-ADJ 3V3S MST3288 IO PADS TO-263 3.3V LMS1587CS-ADJ Linear equation: Power VDDMQ Vout=1.25v*(1+R354/R356), FB20 R356,R361=110R VOUT=2.5V C277 VDD3.3 R356,R361=100R VOUT=2.6V FB22 150_Ohm_2000mA 100nF SAA7117 C270 C271 Linear condition: 5VDDR C273 3.3V R354 100ohm < (R356) < 200ohm C272 22uF/16V 100nF...
  • Page 40 C457 +12V 10nF R419 0R->39K MP1583 LM2673S-5.0 C463 TO-263-7 470uF/10V COMP 22uH-->10uH C458 C460 C461 C491 C492 ILIM R420 R421 C462 C464 220uF/16V 100nF 100nF 5600pF 1K_DNS-->12K SK34DI C465 100nF 470uF/10V 100nF C497 10pF_DNS AGND AGND C466 +12V C468 10nF R422 0R-->47K 3V3S...
  • Page 41 RK14 +5VSAFE MENU RK01 1K_DNS MMBT3906_DNS RK10 RIGHT RK02 2.7K 10K_DNS 10R_DNS CNK2 RK11 LEFT RK03 3.6K 10K_DNS MMBT3904_DNS CON3X1_2mm DOWN RK04 5.6k LED_GRE RK12 330R DK01 LED_RED CNK1 RK13 330R RK05 8.2K LN142 RK07 100R CP01 TV/VGA RK06 CK01 100nF CON9X1_2mm IR_3...
  • Page 42 To Connect main board CN3 CNL2 CNL1 68R_DNS RST# 68R_DNS GPIO_CE 2X1 2mm GPIO_CD LED1 47uF/16V 100nF HEADER 5X2 2mm 47pF 47pF MMBT2222A RL10 RL13 RL11 RL12 LED2 RL15 LED3 RL14 10K_DNS 47uF/16V MMBT2222A AO7401_DNS RL16 RL17 MMBT2222A RL18 LED4 100nF RL19 RL20...
  • Page 43 CNA2 TO MAIN BOARD CNA2 CNA8 Stereo_SR 10uH CA120 Stereo_SR A_SW1 MONO_SR MONO_SR A_SW2 VIDEO_OUT CNA3 SAW_SW RA94 470R OPT_RIN P_USB DG_AUDIO_SEL 100uF/16V CNA3 AGC_MUTE GPIO_CF RA95 470R OPT_LIN +3V3S Mute TGND RCA_YELLOW 100K RESET_MSP CA141 10uH RA99 22uF/16V +5VSAFE 10uH PHONE_SW 5X1 2mm...
  • Page 44 CA62 CA63 RinP RA56 3K-->1K 2.2uF/50V RinP CA64 MMBT3904 2200pF_DNS 10uF/16V CA65 REFOUT LinP RA58 3K-->1K 2.2uF/50V LinP REFIN RA61 RA59 RA117 RA118 CA66 18nF CA67 100nF RA60 MUTE SRSPR 0R_DNS 0R_DNS CA68 SRSA 2200pF_DNS CA69 4700pF CA70 ROUT MMBT3904 CA72 CA71 220nF...
  • Page 45 Y-SUS - TV-5210-35 Z-SUS - TV-5210-37 PSU - TV-5210-36 Y- DRIVER (TOP) TV-5210-34 Y- DRIVER (BTM) TV-5210-41 X-SUS (left) X-SUS (right) TV-5210-40 TV-5210-38 CONTROL BOARD TV-5210-39 TV-5210-44 TV-5210-33 TV-5210-32 Speaker Output Digital Board TV/Audio Board...
  • Page 46 Remote Control TV-5620-23...
  • Page 47 Power Harness – TV-3363-01 12 Pin Harness (Long) TV-3363-04 4 Pin Harness – TV-3363-03 10 Pin Harness – TV-3363-02 8 Pin Harness - TV-3363-05 Flat Harness (Short) TV-3363-09 12 Pin Harness (Short) TV-3363-06 Flat Harness (Long) 5 Pin Harness TV-3363-08 TV-3363-07...
  • Page 48 Exploded View - Cabinet Figure # Description Part # Cabinet - Front TV-2950-01 Button TV-1200-01 Insulator - Keypad TV-3500-04 Optical Filter TV-2800-05 Bracket - Support Bridge (L) TV-0850-08 Bracket - Support Bridge (R) TV-0850-09 Cabinet - Back Speaker Assembly TV-6657-05 Mounting Bracket - Speaker TV-0850-07 Cabinet - Jack Panel Access...
  • Page 49 42EP24S Parts List Part# Description TV-0850-07 SPEAKER BRACKET TV-0850-08 SUPPORT BRACKET (Left) TV-0850-09 SUPPORT BRACKET (Right) TV-1200-01 BUTTON TV-1900-04 POWER CORD TV-2800-04 POWER FILTER TV-2800-05 OPTICAL FILTER TV-2950-01 PLASTIC FRONT FRAME (Clear) TV-3500-04 KEYPAD HOLDER TV-5210-32 AUDIO P.C.B TV-5210-33 DIGITAL BOARD P.C.B TV-5210-34 Y-DRIVER (Top) P.C.B...

  • Page 50: Parts List

    42EP24S Parts List Part# Description TV-9999-06 USE & CARE MANUAL TV-3363-01 POWER HARNESS TV-3363-02 10 PIN HARNESS TV-3363-03 4 PIN HARNESS TV-3363-04 12 PIN HARNESS (Long) TV-3363-05 8 PIN HARNESS TV-3363-06 12 PIN HARNESS (Short) TV-3363-07 5 PIN HARNESS TV-3363-08...

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