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Digital Display

BH100 Blu-ray Player

Spring 2007

Service

TRAINING MANUAL

Summary of Contents for BH100

Page 1: ...Digital Display BH100 Blu ray Player Spring 2007 Service TRAINING MANUAL ...

Page 2: ... ESD can weaken or damage the electronics in these appliances in a manner that renders them inoperative or reduces the time until their next failure Connect an ESD wrist strap to a ground connection point or unpainted metal in the appliance Alternatively you can touch your finger repeatedly to a ground connection point or unpainted metal in the appliance Before removing a replacement part from its...

Page 3: ...20 RESUME STOP AND PERFECT STOP MODES 20 THE Ø SYMBOL 21 SETTING RESOLUTIONS 21 DISPLAY MENU 21 LANGUAGE MENU 23 AUDIO MENU 23 LOCK MENU 24 OTHERS MENU 25 GRAPHIC PLANES 26 CIRCUIT DESCRIPTIONS 27 MAIN BLOCK DIAGRAM 27 SMPS BLOCK DIAGRAM 28 SCHEMATIC 29 WAVEFORMS 30 TROUBLESHOOTING 41 POWER SUPPLY 41 POWER ON 44 SYSTEM 45 VIDEO 46 COMPONENT 47 CVBS VIDEO OUT 48 ANALOG AUDIO 49 S PDIF AUDIO 50 HDMI...

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Page 5: ...phrases may be used to indicate certain aspects or technologies that at the time of this writing are not included in this model but are currently expected to be supported in the upcoming second generation model There may be some repetition or redundancy in reading this manual While this publication is to be used in conjunction with a training class it is also written to be used as a reference sour...

Page 6: ... early 1990 s saw some advancements to the Compact Disc format CD I Compact Disc Interactive in 1991 explored the interactive aspects of digital media delivery VideoCDs introduced in 1993 began the compression of video content to fit on a 12cm disc In 1996 twenty years after the emergence of VHS the Digital Versatile Disc DVD format was introduced DVD quickly became the standard for Home Theater m...

Page 7: ...7 times more data than CD uses what is considered a Ruby Red 660nm laser The Next Gen DVD technologies use a new Blue Violet 405nm laser This new Blue laser has a much smaller wavelength and in turn a smaller size As a result this Blue laser can read smaller data This is the principle behind increasing capacity for the Next Gen formats The Next Gen technology main discussed in this manual is Blu r...

Page 8: ...ality then Betamax Beta would have dominated The Beta format was considered by many as a better format providing better picture quality than VHS The VHS format initially had more desirable recording aspects than Beta by having longer recording times The Beta format was quickly adjusted to meet the same recording requirements However other factors had a stronger influence The Betamax format was a p...

Page 9: ... BD disc is only 0 1mm behind the protective bottom of the disc The HD DVD format once again follows the DVD standard of having the data layer in the middle of the 1 2mm disc at a depth of 0 6mm The BD format has a high capacity that disc in the HD DVD format BD discs can hold 25GB per layer and a typical Dual Layered disc will hold 50GB of data HD DVD discs can only hold about 15GB per layer with...

Page 10: ...deo sources and display devices specific minimum requirements have been specified An HDMI Source shall support at least one of the following video format timings 640x480p 59 94 60 Hz 720x480p 59 94 60 Hz An HDMI source that is capable of transmitting any of the following video format timings using any other component analog or uncompressed digital video output shall be capable of transmitting that...

Page 11: ...0p but not 1080i the source device will set to 720p and remove 1080i as an option Consumer Electronics Control CEC is an optional protocol used in HDMI systems that allows HDMI devices to pass control functions along to all devices within the system CEC was designed to operate at low speeds with minimal processing and memory overhead The following is a set of all the features offered with CEC Devi...

Page 12: ... is the designation for a group of audio and video coding standards designed to handle HDTV signals in the range of 20 to 40 Mbps In the midst of development it was determined that similar results were possible with slight modifications to MPEG 2 Therefore MPEG 3 was discontinued and never implemented MPEG 3 should not be confused with MPEG 1 Part 3 Layer 3 commonly known as MP3 As mentioned above...

Page 13: ...round Channel L Left Front Channel Lb Left Back Channel 7 1 LFE SubWoofer Ls Left Surround Channel R Right Front Channel Rb Right Back Channel 7 1 Rs Right Surround Channel Windows Media Video 9 VC 1 has been adopted by both the BD and HD DVD formats as a mandatory video standard For more information about the MPEG compression formats visit the Motion Picture Experts Group homepage at http www chi...

Page 14: ...xt generation in surround sound Dolby Digital Plus DD is a high bitrate up to 6 144 Mbps 7 1channel format with additional supports up to 13 1 Dolby TrueHD and DTS HD Master Audio both offer lossless compression as well as high bitrates up to 18Mbps Dolby Digital 5 1 AC 3 is standard for DVD HDTV and both of the next gen DVD formats BD and HD DVD Dolby Digital Plus Dolby TrueHD and DTS HD Master A...

Page 15: ...g placed so close to the cdm the problem of disc wobble is eliminated on BD NOTE During the early stages of BD development there was a concern that since the data layer was so close to the disc surface it would be more susceptible to damage and unrecoverable errors from scratches than typical DVDs This fear caused the early prototypes of BD discs and players to incorporate a caddy around the disc ...

Page 16: ...odify DVD Players to play all DVDs regardless of Region Codes The players are usually referred to as Region Free or Multi Region DVD Players Any DVD Player that has been modified either physically or via software no longer conforms to the DVD Standard and is void of any warranty Most often the manner in which DVD Players are modified to become Region Free is that the Region Code embedded in the un...

Page 17: ...his first generation model supports 1 video stream for BD discs and only the primary video playback on HD DVD discs Two audio streams are supported for BD only 1 audio stream for HD DVD The BH100 supports LPCM Dolby Digital DTS MPEG and MLR Audio However Dolby Digital support is limited to only AC 3 and DTS support is limited to DTS Digital Surround sound This first generation model supports all B...

Page 18: ...ombo HD DVD DVD 8 HD DVD R RW 9 DVD ROM DVD V 9 DVD R RW DL DVD V 8 DVD RAM 8 DVD Audio Playable Discs Compact Disc No Compact Disc CD support is included by this first generation model CD Au dio Video CD s DivX video files MP3 WMA and JPG files are not supported by this first generation model ...

Page 19: ...The Display Panel will scroll PLEASE WAIT while the unit is powering up In about 30 seconds from the initial power request the unit will be fully booted After approximately another 10 seconds the backlights for the buttons will turn off leaving the LG Logo on as a power on indicator NOTE The control buttons are touch sensitive and must not be pressed with force A light touch by a finger is all tha...

Page 20: ...FECT STOP MODES With information from a BD Movie disc being preloaded into the BH100 s memory such as the Disc Menu there is a change in memory usage compared to conventional DVD Players There are now two stop modes to be aware of Pressing the STOP button once will suspend current playback and create a resume point Pressing the PLAY button will begin playback from the resume point This mode is cal...

Page 21: ...lable for DVD playback Even if higher formats are selection the video output will automatically output at 480i during copy protected DVD playback If a BD or HD DVD disc enables the ICT or any other video resolution constraint the output resolution for component video may differ from the selected resolution as well HDMI OUT The HDMI output supports 480p 720p 1080i and 1080p format resolutions 1080p...

Page 22: ...her Component YPbPr Video or HDMI jacks and you wish to convert content to 480 lines of progressive video 480p is an incompatible setting for Composite Video use Select 720p if the BD Player is connected to a HD TV via either Component YPbPr Video or HDMI jacks and you wish to convert content to 720 lines of progressive video Select 1080i if the BD Player is connected to a HD TV via either Compone...

Page 23: ...sc inserted into the player Any languages selected within these options must be present on the disc otherwise the disc s default language will be used AUDIO MENU The Audio Menu allows you to set the BD Player s audio outputs to match the features of the equipment it is connected to as well as other sound options SPDIF DIGITAL AUDIO OUTPUT Select Bitstream if you connect one of the BD Player s DIGI...

Page 24: ...to Small TEST TEST TONE This menu option will produce a test tone to be played in each of the speakers This can be used to confirm that all connections are correct as well as to set speaker levels on external equipment DRC DYNAMIC RANGE CONTROL is a feature of the DVD Player to control the audio levels of movies DVD movies typically have a broad dynamic range This means that the difference between...

Page 25: ...leased Once the user has set a password 4 digit number and confirmed the password the settings can only be changed once the correct password is entered If a DVD Movie has been loaded into the BD Player that falls within the set restrictions the password must be entered before the movie will be played TIP If the password has been forgotten by the owner it may be cleared and reset In order to clear ...

Page 26: ...menu screen is accessed Due to BD ROM disc s ability to preload data from the disc without interrupting playback menus can be loaded onto one or both graphic planes and displayed without interrupting the HD video playback In reality there is little difference between the Disc Menu and Pop Up Menu of a BD title The only difference is the content playing on the HD Video layer The menu items availabl...

Page 27: ...BH100 Blu ray Player 27 Circuit Descriptions CIRCUIT DESCRIPTIONS CIRCUIT DESCRIPTIONS MAIN BLOCK DIAGRAM ...

Page 28: ...BH100 Blu ray Player 28 Circuit Descriptions CIRCUIT DESCRIPTIONS SMPS BLOCK DIAGRAM ...

Page 29: ...BH100 Blu ray Player 29 Circuit Descriptions CIRCUIT DESCRIPTIONS SCHEMATIC ...

Page 30: ... 30 Circuit Descriptions CIRCUIT DESCRIPTIONS 7438 XTAL 54MHz 1 1 7438 XTAL for SATA loader 25MHz 2 2 7438 CLK 27MHz 7438 PCI CLK 27MHz 7438 FPGA CLK 27MHz 7412_0 CLK 27MHz 7412_1 CLK 27MHz 3 3 3 WAVEFORMS SYSTEM WAVEFORMS ...

Page 31: ...BH100 Blu ray Player 31 Circuit Descriptions CIRCUIT DESCRIPTIONS SYSTEM MEMORY WAVEFORMS 4 4 7438 DDR BA0 5 7 6 5 7438 DDR WE 6 7438 DDR CAS 7 7438 DDR CLK0 200MHz ...

Page 32: ...BH100 Blu ray Player 32 Circuit Descriptions CIRCUIT DESCRIPTIONS 8 9 10 11 10 VDAC1_2_Pb 11 VDAC1_0_Pr 8 VDAC0_0_CVBS 9 VDAC1_1_Y VIDEO WAVEFORMS 100 COLOR BAR ...

Page 33: ...BH100 Blu ray Player 33 Circuit Descriptions CIRCUIT DESCRIPTIONS 12 13 14 15 14 COMP_Pb 15 COMP_Pr 12 CVBS 13 COMP_Y ...

Page 34: ...BH100 Blu ray Player 34 Circuit Descriptions CIRCUIT DESCRIPTIONS 21 20 19 18 17 16 16 AUDIO_CENTER 17 AUDIO_REARL 18 AUDIO_FRONTL 19 AUDIO_WOOFER 20 AUDIO_REARR 21 AUDIO_FRONTR AUDIO WAVEFORMS ANALOG ...

Page 35: ...BH100 Blu ray Player 35 Circuit Descriptions CIRCUIT DESCRIPTIONS AUDIO WAVEFORMS S PDIF 22 23 22 7038_AUDIO_SPDIF 23 AUDIO_DIGITAL_COAXIAL ...

Page 36: ...BH100 Blu ray Player 36 Circuit Descriptions CIRCUIT DESCRIPTIONS HDMI WAVEFORMS 25 26 HDMI_CLK 27 HDMI_DATA 24 7038_I2C_SDA 25 7038_I2C_SCL 24 26 27 ...

Page 37: ...BH100 Blu ray Player 37 Circuit Descriptions CIRCUIT DESCRIPTIONS FRONT I F WAVEFORMS 28 29 28 UART_TXD 29 UART_RXD ...

Page 38: ...BH100 Blu ray Player 38 Circuit Descriptions CIRCUIT DESCRIPTIONS MPEG 4 DECODER WAVEFORMS 32 7412 DDR CLK 200MHz 33 7412 DDR WE 30 7412 DDR BAO 31 7412 DDR CAS 33 30 32 31 ...

Page 39: ...BH100 Blu ray Player 39 Circuit Descriptions CIRCUIT DESCRIPTIONS 36 7412_O I2S_DATAO 37 7412_O_I2S_CLKO 34 7412_HD_DVIO_CLK 74 25MHz 35 7412_O_I2S_LRCLKO 34 35 36 37 ...

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Page 41: ...1 Pin2 Is the D102 normal YES NO NO Check or replace the D102 IS the D123 normal Replace the D123 YES NO Is there about 2 5V at the IC103 Pin1 Replace the IC103 YES NO Is the IC102 normal Replace the IC102 YES NO Is the D124 normal Replace the D124 YES NO Is the D127 normal Replace the D127 YES NO Is the D128 normal Replace the D128 YES NO Replace the D121 YES NO Is the D122 normal Replace the D12...

Page 42: ...l from µ com YES Check or replace the IC156 No 3 3V Is the Vcc 3 8V supplied to IC153 Pin1 Check or replace the D127 YES NO NO Is the IC153 Pin4 H Check the PWR CTL H signal from µ com YES Check or replace the IC153 No 12V Main Is the Vcc 13 5V supplied to IC152 Pin1 Check or replace the D124 YES NO NO Is the IC152 Pin4 H Check the PWR CTL H signal from µ com YES Check or replace the IC152 ...

Page 43: ...ING No 12 Fan Loader Is the Vcc 13 5V supplied to IC155 Pin1 Check or replace the D124 YES NO NO Is the IC155 Pin4 H Check the PWR CTL H signal from µ com YES Check or replace the IC155 No VF Is the ZD121 normal Replace the ZD121 YES NO Replace the R121 ...

Page 44: ...Display on VFD OK Front I F cable connection OK NO NO YES VFD power cable connect VFD power cable connection OK NO YES YES YES YES Touch Pad I F cable connect LED ON on Touch Pad OK Touch Pad I F cable connection OK NO NO YES Proper display cable connect LG LOGO display on monitor OK Display cable connection OK NO NO YES POWER ON ...

Page 45: ...5kHz serial Clock OK NO YES IC601 change R611 about 3MHz OK NO YES DIS600 change Check SMPS READING Display on VFD OK P901 11pin 12V 9 pin 5V 4 pin 3 3V YES IC904 Change IC901 Change IC905 or IC903 or IC908 Change IC907 Change IC902 C971 2 6V C972 1 3V C962 C967 C9F5 1 2V C9F3 2 5V C9E3 1 8V NO NO YES X402 change X402 54 000MHz OK NO X401 Change X401 25 000MHz OK NO YES IC605 change IC402 Pin 2 3 ...

Page 46: ...in 2 2 6V OK NO IC904 Pin 2 5 0V OK NO NO YES L304 Re soldering YES IC904 Change C968 Pin 2 1 2V OK NO IC903 Re soldering C8F9 C8G0 C8G1 C8F6 Pin 2 signal OK L816 L811 L813 L820 soldering OK NO NO Re soldering Re soldering L812 L819 L815 soldering OK NO YES Check IC301 CF804 CF802 CF806 CF803 Pin 1 signal OK NO C8F9 C8F6 Re soldering YES YES YES YES JK803 Pin 1 3 5 7 signal OK NO CF804 CF803 Re so...

Page 47: ...o part Common check YES NO TP782 TP784 video signal input OK Re soldering YES NO L812 L819 L815 soldering OK Re soldering YES NO L818 L814 L809 soldering OK Re soldering YES NO L811 L813 L820 soldering OK Re soldering YES NO C8G0 C8G1 C8F6 soldering OK Re soldering YES NO CF802 CF806 CF803 soldering OK Re soldering YES NO JK803 soldering OK Component Video OK ...

Page 48: ...NO Video cable connection OK Video part Common check YES NO TP871 Video signal input OK Re soldering YES NO C806 soldering OK Re soldering YES NO L816 soldering OK Re soldering YES NO C8F9 soldering OK Re soldering YES NO CF804 soldering OK Re soldering YES NO JK803 soldering OK CVBS video OK CVBS VIDEO OUT ...

Page 49: ...K NO P901 Pin 9 8 7 5 0V OK NO NO YES R855 Re soldering YES L901 903 Re soldering R854 R839 R836 R878 R880 Soldering OK NO Re soldering TP847 LOW GND OK R884 R814 soldering OK NO NO Re soldering Re soldering Q806 soldering OK NO YES Check IC701 C8E1 C8E6 soldering OK NO Re soldering YES IC802 Pin 7 8 9 I2S input signal OK NO Check IC701 YES YES YES TP816 TP821 audio out signal OK NO Check IC802 YE...

Page 50: ...S Check IC301 main power cable Check main power cable L904 L906 Re soldering Change IC801 YES Change JK802 YES L901 L903 Re soldering IC801 Pin 4 Digital Audio Out OK IC801 soldering OK NO NO YES Re soldering JK802 Red Lighting OK JK802 Pin 2 5 0V OK NO NO NO P901 Pin 9 8 7 5 0V OK TP8A0 digital audio input OK NO Check IC301 YES S PDIF AUDIO ...

Page 51: ...V OK IC910 Pin 1 5 5V OK NO NO YES YES YES YES YES Check main power cable IC910 Change YES IC901 Change CON500 Pin 15 16 I2C Bus OK IC508 Pin 7 8 5 0V OK NO NO R1595 Re soldering YES IC508 Pin 3 4 I2C bus OK NO Check IC500 IC508 Pin 2 3 3V OK IC901 Pin 1 3 8V OK NO CON500 Pin 18 5 0V OK NO Re soldering YES ...

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Page 53: ...BH100 Blu ray Player 53 Disassembly DISASSEMBLY DISASSEMBLY WIRING DIGRAM ...

Page 54: ...BH100 Blu ray Player 54 Disassembly DISASSEMBLY WIRING DIAGRAM CONTINUED ...

Page 55: ...BH100 Blu ray Player 55 Disassembly DISASSEMBLY EXPLODED VIEW ...

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