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Haier HLH26BB Service Manual

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SERVICE MANUAL
FOR LCD TV
HLH26BB/HLH32BB/HLH37BB
TV-8888-47

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  Summary of Contents for Haier HLH26BB

  • Page 1 SERVICE MANUAL FOR LCD TV HLH26BB/HLH32BB/HLH37BB TV-8888-47...
  • Page 2: Table Of Contents

    CONTENTS CONTENTS ----------------------------------------------------------------------------2 Product Code Illumination and Series Introduction----------------------3 Main Unit Description---------------------------------------------------------------4 Features---------------------------------------------------------------------------------6 Connection Sketch Interpretation----------------------------------------------9 Introduction to Circuit Boards--------------------------------------------------11 BUS Control Adjustment ----------------------------------------------------34 ------------------------------ Exploded View ----------------------------------38 List of Parts --------------------------------------------------------------------------39...
  • Page 3: Product Code Illumination And Series Introduction

    2. Product Code illumination and Series Introduction L26 V6 --A8 The code of the engine core Model series of cabinet Number Screen size: 26inch...
  • Page 4: Features

    4. Features Model Model Functions Functions 26”32”37” 26”32”37” LG-PHILIPS TV in Screen size(mm×mm) 26/32/37 inch D-SUB jack Aspect ratio 16:9 DVI socket Resolution 1366×768 SCART jack Brightness 500cd/m2 Ear-Phone Out Teletext Contrast(Darkroom) 500:1 Response time(ms) Semitransparent menu Color system PAL/SECAM ZOOM Audio system DK/BG/I/L/M/L’...
  • Page 5: Connection Sketch Interpretation

    5. Connection sketch interpretation...
  • Page 7 BLOCK DIAGRAM...
  • Page 9 6 Circuit diagram...
  • Page 10 CA56 CA59 100R RA31 100R CA58 CA169 220pF 10uF/16V 10nF RA139 22uF/16V 470pF 1500pF SC2_LOUT SC2_LOUT 22uF/16V RESET_MSP Qingdao Haier Electronics Co.,Ltd. RESET_MSP CA170 RA140 Title SC2_ROUT TV&TUNER_PHILIP SC2_ROUT Size Document Number 22uF/16V 30TR04C_TV_AUDIO_KEY Date: Tuesday, July 12, 2005 Sheet...
  • Page 11 +12V- 150_Ohm_2000mA_DNS +12V- CA107 4X1_2MM_DNS AGND RA102 PHONE_SW PHONE_SW CA140 100nF CNA12 CNA17 LoutN LoutP LoutN RoutN LoutP RoutP RoutN RoutP 4X1_2.5MM 6X1_2.5MM Qingdao Haier Electronics Co.,Ltd. AGND Title AUDIO_AMP Size Document Number 30TR04C_TV_AUDIO_KEY Date: Tuesday, July 12, 2005 Sheet...
  • Page 12 TGND TGND BEAD_0 470pF 100uF/16V CA163 FBT4 TV_IN TGND TGND BEAD_0_DNS 220uF/16V +5VSAFE 470uH MMBT3906 100R 100nF TGND OPT FOR 12V TGND MC78M05CDT_DNS Qingdao Haier Electronics Co.,Ltd. Title TUNER Size Document Number TGND 30TR04C_TV_AUDIO_KEY Date: Tuesday, July 12, 2005 Sheet...
  • Page 13 QA10 QA13 MMBT3904 RA130 RA131 MMBT3904 RA142 CVBS_OUT QA11 RA135 RA122 MMBT3904 AGC_MUTE CA166 RA121 RA128 QA12 RA134 100R MMBT3904 220uF/16V AGND AGND RA129 CA121 CA131 100uF/16V CA162 220uF/16V VIDEO2 220uF/16V AGND AGND AGND AGND AGND +5VSAFE CA153 RA143 RA144 CA161 22uF/16V AGND...
  • Page 14 33RX4 TO 100RX4 MA[0..11] 10K_DNS MPUGPIO0 A[0..7] MPUGPIO1 RST_SVP VDDH3_3 VDDH3_3 MPUGPIO0 MPUGPIO0 10K_DNS MPUCS0N MPUGPIO4 PRELIMINARY Qingdao Haier Electronics Co.,Ltd. 10K_DNS Title SVP-EX 1 of 2 Size Document Number 30TR04A LCD TV_MAIN A-01 Date: Tuesday, July 12, 2005 Sheet...
  • Page 15 C324 100nF 10uF/16V 100nF 10uF/16V AVSS_ADC3 PAVSS 100nF 100nF 100nF 100nF 100nF AGND AGND AGND VD1_8 VDDA3.3 Qingdao Haier Electronics Co.,Ltd. FB10 AVDD3_AVSP2 Title 150_Ohm_600mA SVP-EX 2 of 2 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF...
  • Page 16 P_61 DIN1/I DIN3/I HEADER 5X2_DNS FB21 PLL_GND P_62 DIN0/I DIN2/I 150_Ohm_2000mA_DNS P_63 DIN1/I 3V3S C276 P_64 DIN0/I 22uF/16V_DNS Qingdao Haier Electronics Co.,Ltd. Title SVP-EX Pin Configuration Size Document Number 30TR04A LCD TV_MAIN A-01 PRELIMINARY Date: Tuesday, July 12, 2005 Sheet...
  • Page 17 MD31 C90 MOVE PAGE 15. 100nF VDDMQ VDDM VDDMQ VDDM VDDMQ MEMORY DECOUPLING SCHEME DDR VDDMQ / VDDM de-caps C300 C299 C301 C303 Qingdao Haier Electronics Co.,Ltd. 10uF/16V 10uF/16V 10uF/16V 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF...
  • Page 18 22pF TDC+ DDCD RX_HOTPLUG HPDET RXC- MST3288-->MST3388 TDC- VSYNC 3V3S PRELIMINARY 3V3S VDD2V5 BLUE C5_2 C5_1 AGND AGND Qingdao Haier Electronics Co.,Ltd. HSYNC GREEN Title C119 C120 C103 C104 C105 C114 C115 C116 C117 C118 C100 HDMI_IN 3V_SCL 3V_SDA 100nF...
  • Page 19 C159 VS_VPC R133 33R_DNS DVS_2EX R134 10K_DNS VIDEO2 100nF_DNS 270pF_DNS 2700pF_DNS 47uF/16V_DNS Qingdao Haier Electronics Co.,Ltd. C154 C331 R135 C163 100nF_DNS 100nF_DNS Logic 0 for slave address 42h/43h and 4Ah/4Bh Title 4K7_DNS 10uF/16V_DNS Logic 1 for slave address 40h/41h and 48h/49h...
  • Page 20 C178 100pF C180 C181 C182 C183 C184 SDAE 100uF/16V 100nF 100nF 100nF 100nF C179 100pF R213 100R Qingdao Haier Electronics Co.,Ltd. R214 24C64 E_PAGE Title R346 M30620SPGP Size Document Number 30TR04A LCD TV_MAIN A-01 Date: Tuesday, July 12, 2005 Sheet...
  • Page 21 100K_DNS R245 R246 INPUT OUTPUT 270K_DNS 10K_DNS C214 TGND 2700pF_DNS SW1 SW2 L/R_SW2 L/R_SW1 EXCHANGED Qingdao Haier Electronics Co.,Ltd. TGND PC AUDIO AGND AGND TGND Title YUV AUDIO HDMI-DAC&AUDIO INTERFACE Size Document Number DVI AUDIO 30TR04A LCD TV_MAIN A-01 PRELIMINARY...
  • Page 22 CVBS1_G 1K_DNS S_VOUT C268 75R_DNS C275 SAA7117 AOUT TO 10nF_DNS C224 10uF/16V_DNS TV BOARD 10pF_DNS R261 R400 Qingdao Haier Electronics Co.,Ltd. AGND 1K_DNS 470R_DNS AGND Title SCART Size Document Number 30TR04A LCD TV_MAIN A-01 PRELIMINARY Date: Tuesday, July 12, 2005...
  • Page 23 1K_DNS HD-Y D4_LINE1 R311 1K_DNS D4_LINE2 HD-Y HD-PB R312 1K_DNS D4_LINE3 HD-PR 5X1 2mm_DNS P_GND CN22 D4_CON PLUG R313 Qingdao Haier Electronics Co.,Ltd. HD-Y R315 R316 C251 10nF_DNS D_TERMINAL_DNS AGND Title 75R->18pF I/O_1 RCA_GREEN 75R->18pF 75R->18pF AGND R314 AGND Size...
  • Page 24 VGA_SCL 7117_CE# 7117_CE R330 R331 24LC21A I2C Address: 1010 000x 74LVC14 8-pin, 300mil DIP with socket BAV99 C258 100nF 5V_SB Qingdao Haier Electronics Co.,Ltd. Title I/O_2 Size Document Number 30TR04A LCD TV_MAIN A-01 PRELIMINARY Date: Tuesday, July 12, 2005 Sheet...
  • Page 25 MOVED TO BACKLIGHT CONNECTOR PAGE 10. R352 MMBT3904 100nF BRT_CNTL R396 ISEL C269 R353 R397 0R_DNS 100nF 0R_DNS 0R_DNS Qingdao Haier Electronics Co.,Ltd. Title POWER INTERFACE Size Document Number 30TR04A LCD TV_MAIN A-01 PRELIMINARY Date: Tuesday, July 12, 2005 Sheet...
  • Page 26 100nF AZ1085D-5.0_DNS TO-252 LMS1587CS-ADJ VL1_8 5VDDR 78M05_DNS R392 220R C297 C325 C482 100nF C459 22uF/16V 100nF_DNS Qingdao Haier Electronics Co.,Ltd. R393 100nF_DNS 100R C412 Title 100nF POWER Size Document Number 30TR04A LCD TV_MAIN A-01 PRELIMINARY Date: Tuesday, July 12, 2005...
  • Page 27 820R_DNS R381 0R_DNS C402 C403 GNDS 1nF_DNS R382 R383 100pF_DNS 100pF_DNS R384 0R_DNS 1K8_DNS 820R_DNS R385 C399 AGND 1nF_DNS 3K_DNS AGND Qingdao Haier Electronics Co.,Ltd. Title Tuner Size Document Number 30TR04A LCD TV_MAIN A-01 Date: Tuesday, July 12, 2005 Sheet...
  • Page 28 220uF/16V 100nF Vout C487 USB_P_ON/OFF C485 5600pF C499 AFT_PIP 470uF/10V 470uF/10V 100nF SMB340 R439 10pF_DNS C488 C490 R442 R443 AGND Qingdao Haier Electronics Co.,Ltd. Title DC/DC POWER Size Document Number 30TR04C LCD TV_MAIN C-00 Date: Tuesday, July 12, 2005 Sheet...
  • Page 29 RK05 8.2K LN142 RK07 100R CP01 TV/VGA RK06 CK01 100nF CON9X1_2mm IR_3 POWER CNK3 CNK4 __VBUS __D- __D+ 4x1 2mm __GND USB CON Qingdao Haier Electronics Co.,Ltd. Title KEY&IR&usb interface Size Document Number 30TR04C_KEY Date: Tuesday, July 12, 2005 Sheet...
  • Page 30 RL27 INT# RL28 LED6 RL29 MMBT2222A RL30 LED7 PCA9554 RL31 RL32 MMBT2222A LED8 RL33 Qingdao Haier Electronics Co.,Ltd. RL34 Title QL10 LED CONTROL BOARD MMBT2222A Size Document Number 30TR04A LCD TV_LED CONTROL BOARD A-00 Date: Tuesday, July 12, 2005 Sheet...
  • Page 31: Introduction To Circuit Boards

    7.Introduction to Circuit Boards A: MAIN CHIP SUMMARY U11 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 32 U8 SAA7117: The SAA7117(A)E/H is a consequent derivate of SAA7118 X-VIP multistandard video decoder. In addition to its predecessor, it provides 10 bit A/D- conversion, enhanced PAL/NTSC comb filtering, more versatile VBI data processing,support of High Definition component video, picture improvement processing, and more robustness with VCR-type signals.
  • Page 33: Bus Control Adjustment

    .BUS Control Adjustment To enter factory menu you can follow the steps: 1. Press V- to minish the voice value to 0. 2. Press “menu” on the TVset,you will see the list on the screen. 3.Press “menu”on the remote control, the list on the screen will disappear. three seconds,then you will enter the factory menu 4.Press“...
  • Page 34 Favorite On/Off FlyProg On/Off Lock On/Off SaveMode On/Off On/Off On/Off Sync On/Off Video (work on with “MPPIP” and “MPSource” in the setting menu) Video Bright value{0-100} def 85 Contrast Bright value{0-100} def 90 Bright Bright Saturation Bright value{0-100} def 90 value{0-100} def 0 Hue Bright value{0-100} def 60...
  • Page 35 value {0-127} def 0(Tv) Tv Satu Min value {0-100} def 50 BackLight Max value {0-100} def 0 BackLight Min Pc MaxMin value {0-255} def 90 Pc Contrast Max value {0-255} def 0 Pc Contrast Min value {0-255} def 95 Pc Bright Max value {0-255} def 0 Pc Bright Min value {0-127} def 120...
  • Page 36 Audio Set 2 value{Linear,Logarith} def Linear BalanceMode AvcDecaytime Spatial Effect High-Pass Gain Value {Auto,Max,2/3,1/3,Min} Def Auto SurroundMode HighResolution ClippingMode work when TralWoofer is open Woofer Prescale work when TralWoofer is open Woofer Mode Audio Set 3 value (0-127) def 50 Vol 10 value (0-127) def 80...
  • Page 37 Setting MPPIP Only MP works MP Source DV_TV,DV_AV,DV_SAV,Ts_HDTV,Ts_PC,DVI Marching to the value of Video Mode onTV,AV,SAV,HDTV,PC,DVI,such as Video Bright, Video Stand, Video Soft PIP Source no work on/off of the factory systerm Factory IIC upgrading on-line BusOff Eeprom initializes EepReset Note: When you leave the “FactoryMenu”,please make sure that the “Factory”item is off.
  • Page 38 Sincere forever...

This manual is also suitable for:

Hlh32bbHlh37bb