Download
Share
Print this page
BBK LT2209S Service Manual
  1. Manuals
  2. Brands
  3. BBK Manuals
  4. TV
  5. LT2209S
  6. Service manual

BBK LT2209S Service Manual

Hide thumbs

Advertisement

Quick Links

Download this manual
Service manual
LT2209S

Advertisement

loading
Need help?

Need help?

Do you have a question about the LT2209S and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for BBK LT2209S

Summary of Contents for BBK LT2209S

  • Page 1 Service manual LT2209S...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1. Precautions and Safety Notices ································· 1 2. S p e c i f i c a t i o n · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 2 3.

  • Page 3: Precautions And Safety Notices

    1. Precautions and Safety Notices Prior to using this service manual,please ensure that you have carefully followed all the procedures outlined in the user's manual for this product. (1) Read all of these instructions. (2) Save these instructions. (3) Follow all warnings and instructions a marked on the product. (4) Unplug this product from the wall outlet before cleaning.Do not use liquid cleaners or aerosol cleaners, use a damp cloth for cleaning.

  • Page 4: Specification

    2. Specification Item Specifications Display pixels 1680 (H) x1050 (V) pixels ( 1 pixel = 1 RGB cells ) Active Area 473.76mm (H) x 296.1mm (V) Pixel Pitch 0.282mm (H) x 0.282mm (V) Bezel opening 477.7mm(H)x300.1mm(V) Display Colors 16.7M Pixel Arrangement R+G+B vertical stripe Display Mode Normally white...
  • Page 5 YPbPr Component 480i, 576i, 480p, RCAx3+RCAx2 VIDEO4 (YPbPr) (Y, Pb/Cb, Pr/Cr) 576p, 720p, 1080i (Red, White) + L/R Audio VGA IN+ PC AUDIO Analog RGB VGA 15 Pin VIDEO5（VGA IN） AC IN/Power AC Power IN AC 100~240V YC14 AC IN Switch Note: A.
  • Page 6 1. TMDS Data 2+ 9. TMDS Data 0- 17. CEC/GND 2. TMDS Data 2 shield 10. Clock + 18. +5V Power 3. TMDS Data 2- 11. Clock shield 19. Hot Plug Detect 4. TMDS Data 1+ 12. Clock - 5. TMDS Data 1 shield 13.
  • Page 7 Frequency Fh = 31~80 kHz Fv = 56~76 Hz Maximum Pixel Clock 135 MHz DDC 1/2B Compliant with Revision 1.0 Connector HDMI x 1 Format R, G, B Analog Level/Impedance 0.7Vp-p / 75Ω DDC 1/2B Compliant with Revision 1.0 Sync H/V separate 3V TTL level / 1kΩ...
  • Page 8 SVGA 800x600 46.9 49.5 1024x768 48.36 65.0 1024x768 56.47 1024x768 60.02 78.75 SXGA 1280x1024 Video & S-Video AV Timing V FREQ H FREQ STANDARD RESOLUTION NTSC 15.734 12.65 PAL(B,G,H,D,I) 15.625 14.50 SECAM 15.625 14.50 4.43NTSC 15.734 12.65 HDTV/Component AV Timing SDTV 480p 720x480 31.461...

  • Page 9: Front Panel Function Control Description

    3. Front Panel Function Control Description Operation, Adjust and Programming...
  • Page 12 The operation of each OSD controls is described as following table: Option Description User Game Picture（not Press to change the Picture Mode to be User, Vivid, Movie support VGA） Game, Sport, and Movie Vivid Sport Brightness Press to adjust the Brightness from 0 to 100 Contrast Press to adjust the Contrast from 0 to 100...
  • Page 13 Start Auto Search and auto sort process. Note: Auto sort will only operate in UK Allows adjustment for the fine tune level by hand if signal is Fine Turn too weak or picture is blurry. Add/Erase Allow you to add/remove channels. TV setup Channel Name Edit the channel name.

  • Page 14: Adjusting Procedure

    4. Adjusting Procedure ITEM Equipments Requirements Procedure and SPEC ‧ Select SOURCE then choose VGA Color ‧ Enter the factory area VG828/Croma2327 Temp.Adustment ‧ Select Calibration 1280*800/60 all white Chroma 7120 ‧ Enter Color Temp. to User balance White balance (untouchable) ‧...
  • Page 15 Each Mode can display normally. If there is a specific Mode that is not appropriate after switch, press Auto Adjust will to VGA INPUT automatically adjust appropriate VGA Cable screen. Confirm PC can automated identify the hd155tpLCD NO. Use external-connect TV BOX, watching TV BOX VGA INPUT the TV program;...
  • Page 16 Pattern Generator Selects SOURCE menu Audio source output Enterthe SOUND adjustment Any Pattern .SOUND mode item. External connect Left/Right speaker (2.5/8ohm) DVD/VCD plays Press ▲ /▼ to set audio volume music or DVD disc a. Volume Check if the action is normal. Press▲...

  • Page 17: Trouble Shooting Flow Chart

    5. Trouble Shooting Flow Chart STEP 1. No Display ( Black ) Change AC Socket Check AC LED ON ? Fuse or power board Socket Check LCD TV Push the power Video& Audio ON/OFF switch Function Check the A/D board tuner U16-Pin3 LED Color change ?
  • Page 18 U16-PIN5 Check the connection Active low(Se of Signal cable Change AD Board Panel SPEC.) ? Display ? Change the LCD Panel Change AD Board Check Video& Display ? Audio Function Check Video& Audio Function Change AD Board...
  • Page 19 STEP 2. Check Video& Audio Function No TV,VIDEO and VGA Check Picture Video& Audio Function Change AD Board STEP 3. No Audio Check Check A/D board Video& Check Audio Speaker Function Change AD Change Speaker Board or U2...

  • Page 20: Exploded Diagram And Spare Parts List

    6. Exploded Diagram and Spare Parts List...

  • Page 21: Block And Schematic Diagram

    7. Block and Schematic Diagrams U13 SCART AUDIO HDMI/DVI HDMI PANEL 1680*1050 RGB/Audio L/R Composite/Audio L/R Audio amp S-video/Audio L/R MST97885LD/96885LD S-video Compoment/Audio L/R YPbPr VIDEO/AUDIO SCART Earphone Composite /SIF...
  • Page 22 TC24 2N3904 TC21 10uF/16V 0.1uF 0.1uF 10uF/16V 0.1uF 10uF/16V 0.1uF 0.1uF 10uF/16V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF ON_PBACK ON_PBACK 4.7K 2N3904 0.1uF BBK Electronics Title JF229 - BOARD Size Document Number INTERFACE Date: Saturday, December 09, 2006 Sheet...
  • Page 23 100R DDC_SDA 100R 1,3,5,6,7,9 100R 100R 8/9 modified NC -> 0 ohm VGA5V VGA5V BAT54C 0.1uF VGA_TX VGA_TX VCLK MLL5232B 5.6V VGA_RX VGA_RX *24C21A BBK Electronics Title JF229 - BOARD Size Document Number INTERFACE Date: Saturday, December 09, 2006 Sheet...
  • Page 24 CE_REMOTE_OUT DDC_CLK_INA DDC_CLK_IN R240 DDC_CLK_IN DDC_CLK_OUT DDC_DAT_INA DDC_DAT_IN 4.7K DDC_DAT_IN DDC_DAT_OUT HPD_IN DGND HOTPLUG_DET_IN HOTPLUG_DET_OUT *CM2021 HPDCTRL CONNECTOR BBK Electronics DDC_CLK_INA DDC_CLK_IN Title JF229 - BOARD DA1 NC DDC_DAT_INA DDC_DAT_IN Size Document Number INTERFACE Date: Saturday, December 09, 2006 Sheet...
  • Page 25 YS2+ SV_Y0 C100 330pF/NC 330pF/NC C101 47nF VCOM2 VCOM2 R100 CS2+ C102 47nF SV_C0 CS2+ SV_C0 R101 C103 C104 R99----->0R 330pF/NC 330pF/NC S-Video Input BBK Electronics Title JF229 - BOARD Size Document Number INTERFACE Date: Saturday, December 09, 2006 Sheet...
  • Page 26 RXE0+ RXE0- RXE1+ RXE1- RXE1+ RXE1- RXE2+ RXE2- RXE2+ RXE2- RXEC+ RXEC- RXEC+ RXEC- RXE3+ RXE3- RXE3+ RXE3- VPANEL *HEADER 13X2 TOP VIEW LCDVDD BBK Electronics Title JF229 - BOARD Size Document Number INTERFACE Date: Saturday, December 09, 2006 Sheet...
  • Page 27 TC54 600 OHM Bead/FB0805 600 OHM Bead/FB0805 600 OHM Bead/FB0805 R167 C147 R168 100pF AUGND DGND DGND DGND DGND AUGND BBK Electronics DGND 9/29 by Hill Title JF229 - BOARD Size Document Number INTERFACE Date: Saturday, December 09, 2006 Sheet...
  • Page 28 DIG7 DIG7 DIG7 DIG7 DIG7 R217 100R P2_7 AMP_ON DIG8 DIG8 R218 100R P4_3 MUTE_S R219 R220 100R SPI_DI BBK Electronics *PMC040-100 C210 C211 Title 10pF 10pF JF229 - BOARD Size Document Number INTERFACE Date: Saturday, December 09, 2006 Sheet...
  • Page 29 10pF VSSQ VCCQ DGND DGND VSSQ VCCQ VSSQ VCCQ Etronteck EM638165TS-6_166MHz_4Mx16 VSSQ VCCQ *SDRAM_4MX16 PSC A2V64S40CTP-G6_166MHz_4Mx16 TTP-54D Pitch 0.8mm DGND Video Data MIRA P2V64S40ETP-G6_166MHz_4Mx16 BBK Electronics Title JF229 - BOARD Size Document Number INTERFACE Date: Saturday, December 09, 2006 Sheet...
  • Page 30 IR_INT TUNER_MONO IR_INT TUNER_MONO TUNER_SIF TUNER_SIF LED_ORANGE I2C_SDA I2C_SDA I2C_SDA LED_GREEN I2C_SCL I2C_SCL I2C_SCL 5V_TUNERA 5V_TUNERA R232 *CON-80 DGND C182 0.1uF DGND DGND AUGND BBK Electronics Title JF229 - BOARD Size Document Number INTERFACE Date: Saturday, December 09, 2006 Sheet...

  • Page 31: Pcb Layout Diagrams

    8. PCB Layout Diagram Keypad Board (Component Side Top) Keypad Board (Component Side Bottom) IR/LED Board (Component Side Top) IR/LED Board (Component Side Bottom)
  • Page 32 Main Board (Component Side Top)
  • Page 33 Main Board (Component Side buttom)
  • Page 34 CN202 20:20:2100TS 250MH 1000PF +12V/2A 3.15A/250V 3M 3KV OLP1 1K(NC) 10PF/6KV B-ON 4.7K BAV70 330K 1000PF 4.3K R26 0R IN4148 4.7K OVPT 5PF/3KV OLP2 R19 20K 560R NC(Optional 4148) 3904 4.7K 470PF R27 NC (Optional 0R ) STM6930 5.6V 1/2W AO4826 4.3K (Optional 0R )
  • Page 35 L202 F201 LF203 T201 THR201 R 4X12 0.8 12.5Ts 2uH Input PQ3220 +12V 2A FOR INVERTER T3.15A 250V LF202A LF201A D205 15mH SB16150CT R207C C236 R201 Q204 L203 330K R 4X12 0.8 12.5Ts 2uH AOD405 CY201 C202 C205 VOUT +12V/1.0A R217 222 250V 222/1KV...